func TestMerge(t *testing.T) {
YAML := func(s string) map[interface{}]interface{} {
y, err := simpleyaml.NewYaml([]byte(s))
So(err, ShouldBeNil)
data, err := y.Map()
So(err, ShouldBeNil)
return data
}
valueIs := func(tree interface{}, path string, expect string) {
c, err := ParseCursor(path)
So(err, ShouldBeNil)
v, err := c.ResolveString(tree)
So(err, ShouldBeNil)
So(v, ShouldEqual, expect)
}
notPresent := func(tree interface{}, path string) {
c, err := ParseCursor(path)
So(err, ShouldBeNil)
_, err = c.ResolveString(tree)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "could not be found")
}
Convey("Merge()", t, func() {
Convey("leaves original object untouched when merging", func() {
template := YAML(`props:
toplevel: TEMPLATE VALUE
sub:
key: ANOTHER TEMPLATE VALUE
`)
other := YAML(`props:
toplevel: override
`)
merged, err := Merge(template, other)
So(err, ShouldBeNil)
valueIs(template, "props.toplevel", "TEMPLATE VALUE")
valueIs(template, "props.sub.key", "ANOTHER TEMPLATE VALUE")
valueIs(other, "props.toplevel", "override")
notPresent(other, "props.sub.key")
valueIs(merged, "props.toplevel", "override")
valueIs(merged, "props.sub.key", "ANOTHER TEMPLATE VALUE")
})
})
}
func parseYAML(data []byte) (map[interface{}]interface{}, error) {
y, err := simpleyaml.NewYaml(data)
if err != nil {
return nil, err
}
doc, err := y.Map()
if err != nil {
return nil, fmt.Errorf("Root of YAML document is not a hash/map: %s\n", err.Error())
}
return doc, nil
}
func jsonifyData(data []byte) (string, error) {
y, err := simpleyaml.NewYaml(data)
if err != nil {
return "", err
}
doc, err := y.Map()
if err != nil {
return "", ansi.Errorf("@R{Root of YAML document is not a hash/map}: %s\n", err.Error())
}
b, err := json.Marshal(deinterface(doc))
if err != nil {
return "", err
}
return string(b), nil
}
func TestOperators(t *testing.T) {
cursor := func(s string) *tree.Cursor {
c, err := tree.ParseCursor(s)
So(err, ShouldBeNil)
return c
}
YAML := func(s string) map[interface{}]interface{} {
y, err := simpleyaml.NewYaml([]byte(s))
So(err, ShouldBeNil)
data, err := y.Map()
So(err, ShouldBeNil)
return data
}
ref := func(s string) *Expr {
return &Expr{Type: Reference, Reference: cursor(s)}
}
str := func(s string) *Expr {
return &Expr{Type: Literal, Literal: s}
}
num := func(v int64) *Expr {
return &Expr{Type: Literal, Literal: v}
}
null := func() *Expr {
return &Expr{Type: Literal, Literal: nil}
}
env := func(s string) *Expr {
return &Expr{Type: EnvVar, Name: s}
}
or := func(l *Expr, r *Expr) *Expr {
return &Expr{Type: LogicalOr, Left: l, Right: r}
}
var exprOk func(*Expr, *Expr)
exprOk = func(got *Expr, want *Expr) {
So(got, ShouldNotBeNil)
So(want, ShouldNotBeNil)
So(got.Type, ShouldEqual, want.Type)
switch want.Type {
case Literal:
So(got.Literal, ShouldEqual, want.Literal)
case Reference:
So(got.Reference.String(), ShouldEqual, want.Reference.String())
case LogicalOr:
exprOk(got.Left, want.Left)
exprOk(got.Right, want.Right)
}
}
Convey("Parser", t, func() {
Convey("parses op calls in their entirety", func() {
phase := EvalPhase
opOk := func(code string, name string, args ...*Expr) {
op, err := ParseOpcall(phase, code)
So(err, ShouldBeNil)
So(op, ShouldNotBeNil)
_, ok := op.op.(NullOperator)
So(ok, ShouldBeTrue)
So(op.op.(NullOperator).Missing, ShouldEqual, name)
So(len(op.args), ShouldEqual, len(args))
for i, expect := range args {
exprOk(op.args[i], expect)
}
}
opErr := func(code string, msg string) {
_, err := ParseOpcall(phase, code)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, msg)
}
Convey("handles opcodes with and without arguments", func() {
opOk(`(( null ))`, "null")
opOk(`(( null 42 ))`, "null", num(42))
opOk(`(( null 1 2 3 4 ))`, "null", num(1), num(2), num(3), num(4))
})
Convey("ignores optional whitespace", func() {
opOk(`((null))`, "null")
opOk(`(( null ))`, "null")
opOk(`(( null ))`, "null")
args := []*Expr{num(1), num(2), num(3)}
opOk(`((null 1 2 3))`, "null", args...)
opOk(`((null 1 2 3))`, "null", args...)
opOk(`((null 1 2 3 ))`, "null", args...)
opOk(`((null 1 2 3 ))`, "null", args...)
})
Convey("allows use of commas to separate arguments", func() {
args := []*Expr{num(1), num(2), num(3)}
opOk(`((null 1, 2, 3))`, "null", args...)
opOk(`((null 1, 2, 3))`, "null", args...)
opOk(`((null 1, 2, 3, ))`, "null", args...)
opOk(`((null 1 , 2 , 3 , ))`, "null", args...)
})
Convey("allows use of parentheses around arguments", func() {
args := []*Expr{num(1), num(2), num(3)}
opOk(`((null(1,2,3)))`, "null", args...)
opOk(`((null(1, 2, 3) ))`, "null", args...)
opOk(`((null( 1, 2, 3)))`, "null", args...)
opOk(`((null (1, 2, 3) ))`, "null", args...)
opOk(`((null (1 , 2 , 3) ))`, "null", args...)
})
Convey("handles string literal arguments", func() {
opOk(`(( null "string" ))`, "null", str("string"))
opOk(`(( null "string with whitespace" ))`, "null", str("string with whitespace"))
opOk(`(( null "a \"quoted\" string" ))`, "null", str(`a "quoted" string`))
opOk(`(( null "\\escaped" ))`, "null", str(`\escaped`))
})
Convey("handles reference (cursor) arguments", func() {
opOk(`(( null x.y.z ))`, "null", ref("x.y.z"))
opOk(`(( null x.[0].z ))`, "null", ref("x.0.z"))
opOk(`(( null x[0].z ))`, "null", ref("x.0.z"))
opOk(`(( null x[0]z ))`, "null", ref("x.0.z"))
})
Convey("handles mixed collections of argument types", func() {
opOk(`(( xyzzy "string" x.y.z 42 ))`, "xyzzy", str("string"), ref("x.y.z"), num(42))
opOk(`(( xyzzy("string" x.y.z 42) ))`, "xyzzy", str("string"), ref("x.y.z"), num(42))
})
Convey("handles expression-based operands", func() {
opOk(`(( null meta.key || "default" ))`, "null",
or(ref("meta.key"), str("default")))
opOk(`(( null meta.key || "default" "second" ))`, "null",
or(ref("meta.key"), str("default")),
str("second"))
opOk(`(( null meta.key || "default", "second" ))`, "null",
or(ref("meta.key"), str("default")),
str("second"))
opOk(`(( null meta.key || "default", meta.other || nil ))`, "null",
or(ref("meta.key"), str("default")),
or(ref("meta.other"), null()))
opOk(`(( null meta.key || "default" meta.other || nil ))`, "null",
or(ref("meta.key"), str("default")),
or(ref("meta.other"), null()))
})
Convey("handles environment variables as operands", func() {
os.Setenv("SPRUCE_FOO", "first test")
os.Setenv("_SPRUCE", "_sprucify!")
os.Setenv("ENOENT", "")
os.Setenv("http_proxy", "no://thank/you")
opOk(`(( null $SPRUCE_FOO ))`, "null", env("SPRUCE"))
opOk(`(( null $_SPRUCE ))`, "null", env("_SPRUCE"))
opOk(`(( null $ENOENT || $SPRUCE_FOO ))`, "null",
or(env("ENOENT"), env("SPRUCE_FOO")))
opOk(`(( null $http_proxy))`, "null", env("http_proxy"))
})
Convey("throws errors for malformed expression", func() {
opErr(`(( null meta.key ||, nil ))`,
`syntax error near: meta.key ||, nil`)
opErr(`(( null || ))`,
`syntax error near: ||`)
opErr(`(( null || meta.key ))`,
`syntax error near: || meta.key`)
opErr(`(( null meta.key || || ))`,
`syntax error near: meta.key || ||`)
})
})
})
Convey("Expression Engine", t, func() {
var e *Expr
var tree map[interface{}]interface{}
evaluate := func(e *Expr, tree map[interface{}]interface{}) interface{} {
v, err := e.Evaluate(tree)
So(err, ShouldBeNil)
return v
}
Convey("Literals evaluate to themselves", func() {
e = &Expr{Type: Literal, Literal: "value"}
So(evaluate(e, tree), ShouldEqual, "value")
e = &Expr{Type: Literal, Literal: ""}
So(evaluate(e, tree), ShouldEqual, "")
e = &Expr{Type: Literal, Literal: nil}
So(evaluate(e, tree), ShouldEqual, nil)
})
Convey("References evaluate to the referenced part of the YAML tree", func() {
tree = YAML(`---
meta:
foo: FOO
bar: BAR
`)
e = &Expr{Type: Reference, Reference: cursor("meta.foo")}
So(evaluate(e, tree), ShouldEqual, "FOO")
e = &Expr{Type: Reference, Reference: cursor("meta.bar")}
So(evaluate(e, tree), ShouldEqual, "BAR")
})
Convey("|| operator evaluates to the first found value", func() {
tree = YAML(`---
meta:
foo: FOO
bar: BAR
`)
So(evaluate(or(str("first"), str("second")), tree), ShouldEqual, "first")
So(evaluate(or(ref("meta.foo"), str("second")), tree), ShouldEqual, "FOO")
So(evaluate(or(ref("meta.ENOENT"), ref("meta.foo")), tree), ShouldEqual, "FOO")
})
Convey("|| operator treats nil as a found value", func() {
tree = YAML(`---
meta:
foo: FOO
bar: BAR
`)
So(evaluate(or(null(), str("second")), tree), ShouldBeNil)
So(evaluate(or(ref("meta.ENOENT"), null()), tree), ShouldBeNil)
})
})
Convey("Expression Reduction Algorithm", t, func() {
var orig, final *Expr
var err error
Convey("ignores singleton expression", func() {
orig = str("string")
final, err = orig.Reduce()
So(err, ShouldBeNil)
exprOk(final, orig)
orig = null()
final, err = orig.Reduce()
So(err, ShouldBeNil)
exprOk(final, orig)
orig = ref("meta.key")
final, err = orig.Reduce()
So(err, ShouldBeNil)
exprOk(final, orig)
})
Convey("handles normal alternates that terminated in a literal", func() {
orig = or(ref("a.b.c"), str("default"))
final, err = orig.Reduce()
So(err, ShouldBeNil)
exprOk(final, orig)
})
Convey("throws errors (warnings) for unreachable alternates", func() {
orig = or(null(), str("ignored"))
final, err = orig.Reduce()
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, `literal nil short-circuits expression (nil || "ignored")`)
exprOk(final, null())
orig = or(ref("some.key"), or(str("default"), ref("ignored.key")))
final, err = orig.Reduce()
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, `literal "default" short-circuits expression (some.key || "default" || ignored.key)`)
exprOk(final, or(ref("some.key"), str("default")))
orig = or(or(ref("some.key"), str("default")), ref("ignored.key"))
final, err = orig.Reduce()
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, `literal "default" short-circuits expression (some.key || "default" || ignored.key)`)
exprOk(final, or(ref("some.key"), str("default")))
})
})
Convey("File Operator", t, func() {
op := FileOperator{}
ev := &Evaluator{
Tree: YAML(
`meta:
sample_file: assets/file_operator/sample.txt
`),
}
basedir, _ := os.Getwd()
Convey("can read a direct file", func() {
r, err := op.Run(ev, []*Expr{
str("assets/file_operator/test.txt"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "This is a test\n")
})
Convey("can read a file from a reference", func() {
r, err := op.Run(ev, []*Expr{
ref("meta.sample_file"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
content, err := ioutil.ReadFile("assets/file_operator/sample.txt")
So(r.Value.(string), ShouldEqual, string(content))
})
Convey("can read a file relative to a specified base path", func() {
os.Setenv("SPRUCE_FILE_BASE_PATH", filepath.Join(basedir, "assets/file_operator"))
r, err := op.Run(ev, []*Expr{
str("test.txt"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "This is a test\n")
})
if _, err := os.Stat("/etc/hosts"); err == nil {
Convey("can read an absolute path", func() {
os.Setenv("SPRUCE_FILE_BASE_PATH", filepath.Join(basedir, "assets/file_operator"))
r, err := op.Run(ev, []*Expr{
str("/etc/hosts"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
content, err := ioutil.ReadFile("/etc/hosts")
So(r.Value.(string), ShouldEqual, string(content))
})
}
Convey("can handle a missing file", func() {
r, err := op.Run(ev, []*Expr{
str("no_one_should_ever_name_a_file_that_doesnt_exist_this_name"),
})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
})
Convey("Grab Operator", t, func() {
op := GrabOperator{}
ev := &Evaluator{
Tree: YAML(
`key:
subkey:
value: found it
other: value 2
list1:
- first
- second
list2:
- third
- fourth
lonely:
- one
`),
}
Convey("can grab a single value", func() {
r, err := op.Run(ev, []*Expr{
ref("key.subkey.value"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "found it")
})
Convey("can grab a single list value", func() {
r, err := op.Run(ev, []*Expr{
ref("key.lonely"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
l, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(l), ShouldEqual, 1)
So(l[0], ShouldEqual, "one")
})
Convey("can grab a multiple lists and flatten them", func() {
r, err := op.Run(ev, []*Expr{
ref("key.list1"),
ref("key.lonely"),
ref("key.list2"),
ref("key.lonely.0"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
l, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(l), ShouldEqual, 6)
So(l[0], ShouldEqual, "first")
So(l[1], ShouldEqual, "second")
So(l[2], ShouldEqual, "one")
So(l[3], ShouldEqual, "third")
So(l[4], ShouldEqual, "fourth")
So(l[5], ShouldEqual, "one")
})
Convey("can grab multiple values", func() {
r, err := op.Run(ev, []*Expr{
ref("key.subkey.value"),
ref("key.subkey.other"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 2)
So(v[0], ShouldEqual, "found it")
So(v[1], ShouldEqual, "value 2")
})
Convey("flattens constituent arrays", func() {
r, err := op.Run(ev, []*Expr{
ref("key.list2"),
ref("key.list1"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 4)
So(v[0], ShouldEqual, "third")
So(v[1], ShouldEqual, "fourth")
So(v[2], ShouldEqual, "first")
So(v[3], ShouldEqual, "second")
})
Convey("throws errors for missing arguments", func() {
_, err := op.Run(ev, []*Expr{})
So(err, ShouldNotBeNil)
})
Convey("throws errors for dangling references", func() {
_, err := op.Run(ev, []*Expr{
ref("key.that.does.not.exist"),
})
So(err, ShouldNotBeNil)
})
})
Convey("Environment Variable Resolution (via grab)", t, func() {
op := GrabOperator{}
ev := &Evaluator{}
os.Setenv("GRAB_ONE", "one")
os.Setenv("GRAB_TWO", "two")
os.Setenv("GRAB_NOT", "")
Convey("can grab a single environment value", func() {
r, err := op.Run(ev, []*Expr{
env("GRAB_ONE"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "one")
})
Convey("tries alternates until it finds a set environment variable", func() {
r, err := op.Run(ev, []*Expr{
or(env("GRAB_THREE"), or(env("GRAB_TWO"), env("GRAB_ONE"))),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "two")
})
Convey("throws errors for unset environment variables", func() {
_, err := op.Run(ev, []*Expr{
env("GRAB_NOT"),
})
So(err, ShouldNotBeNil)
})
})
Convey("Concat Operator", t, func() {
op := ConcatOperator{}
ev := &Evaluator{
Tree: YAML(
`key:
subkey:
value: found it
other: value 2
list1:
- first
- second
list2:
- third
- fourth
douglas:
adams: 42
math:
PI: 3.14159
`),
}
Convey("can concat a single value", func() {
r, err := op.Run(ev, []*Expr{
ref("key.subkey.value"),
ref("key.list1.0"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "found itfirst")
})
Convey("can concat a literal values", func() {
r, err := op.Run(ev, []*Expr{
str("a literal "),
str("value"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "a literal value")
})
Convey("can concat multiple values", func() {
r, err := op.Run(ev, []*Expr{
str("I "),
ref("key.subkey.value"),
str("!"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "I found it!")
})
Convey("can concat integer literals", func() {
r, err := op.Run(ev, []*Expr{
str("the answer = "),
ref("douglas.adams"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "the answer = 42")
})
Convey("can concat float literals", func() {
r, err := op.Run(ev, []*Expr{
ref("math.PI"),
str(" is PI"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "3.14159 is PI")
})
Convey("throws errors for missing arguments", func() {
_, err := op.Run(ev, []*Expr{})
So(err, ShouldNotBeNil)
_, err = op.Run(ev, []*Expr{str("one")})
So(err, ShouldNotBeNil)
})
Convey("throws errors for dangling references", func() {
_, err := op.Run(ev, []*Expr{
ref("key.that.does.not.exist"),
str("string"),
})
So(err, ShouldNotBeNil)
})
})
Convey("static_ips Operator", t, func() {
op := StaticIPOperator{}
Reset(func() {
UsedIPs = map[string]string{}
})
Convey("can resolve valid networks inside of job contexts", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 3)
So(v[0], ShouldEqual, "10.0.0.5")
So(v[1], ShouldEqual, "10.0.0.6")
So(v[2], ShouldEqual, "10.0.0.7")
})
Convey("works with new style bosh manifests", func() {
ev := &Evaluator{
Here: cursor("instance_groups.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-net
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
instance_groups:
- name: job1
instances: 2
networks:
- name: test-net
static_ips: <------------- HERE ------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 2)
So(v[0], ShouldEqual, "10.0.0.5")
So(v[1], ShouldEqual, "10.0.0.6")
})
Convey("works with multiple subnets", func() {
ev := &Evaluator{
Here: cursor("instance_groups.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-net
subnets:
- static: [ 10.0.0.2 - 10.0.0.3 ]
- static: [ 10.0.1.5 - 10.0.1.10 ]
instance_groups:
- name: job1
instances: 4
networks:
- name: test-net
static_ips: <------------- HERE ------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2), num(3)})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 4)
So(v[0], ShouldEqual, "10.0.0.2")
So(v[1], ShouldEqual, "10.0.0.3")
So(v[2], ShouldEqual, "10.0.1.5")
So(v[3], ShouldEqual, "10.0.1.6")
})
Convey("works with multiple subnets with an availability zone", func() {
ev := &Evaluator{
Here: cursor("instance_groups.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-net
subnets:
- static: [ 10.0.0.2 - 10.0.0.3 ]
az: z2
- static: [ 10.0.1.5 - 10.0.1.10 ]
az: z1
instance_groups:
- name: job1
instances: 4
networks:
- name: test-net
static_ips: <------------- HERE ------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2), num(3)})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 4)
So(v[0], ShouldEqual, "10.0.0.2")
So(v[1], ShouldEqual, "10.0.0.3")
So(v[2], ShouldEqual, "10.0.1.5")
So(v[3], ShouldEqual, "10.0.1.6")
})
Convey("works with instance_group availability zones", func() {
ev := &Evaluator{
Here: cursor("instance_groups.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-net
subnets:
- static: [ 10.0.0.2 - 10.0.0.3 ]
az: z1
- static: [ 10.0.1.5 - 10.0.1.10 ]
az: z2
instance_groups:
- name: job1
instances: 3
azs: [z2]
networks:
- name: test-net
static_ips: <------------- HERE ------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 3)
So(v[0], ShouldEqual, "10.0.1.5")
So(v[1], ShouldEqual, "10.0.1.6")
So(v[2], ShouldEqual, "10.0.1.7")
})
Convey("works with directly specified availability zones", func() {
ev := &Evaluator{
Here: cursor("instance_groups.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-net
subnets:
- static: [ 10.0.0.2 - 10.0.0.4 ]
az: z1
- static: [ 10.0.2.6 - 10.0.2.10 ]
az: z2
instance_groups:
- name: job1
instances: 6
azs: [z1,z2]
networks:
- name: test-net
static_ips: <------------- HERE ------------
`),
}
r, err := op.Run(ev, []*Expr{
str("z2:1"),
num(0),
str("z1:2"),
str("z2:2"),
num(1),
str("z2:4"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 6)
So(v[0], ShouldEqual, "10.0.2.7")
So(v[1], ShouldEqual, "10.0.0.2")
So(v[2], ShouldEqual, "10.0.0.4")
So(v[3], ShouldEqual, "10.0.2.8")
So(v[4], ShouldEqual, "10.0.0.3")
So(v[5], ShouldEqual, "10.0.2.10")
})
Convey("throws an error if an unknown availability zone is used in operator", func() {
ev := &Evaluator{
Here: cursor("instance_groups.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-net
subnets:
- static: [ 10.0.0.2 - 10.0.0.4 ]
az: z1
- static: [ 10.0.2.6 - 10.0.2.10 ]
az: z2
instance_groups:
- name: job1
instances: 2
azs: [z1,z2]
networks:
- name: test-net
static_ips: <------------- HERE ------------
`),
}
r, err := op.Run(ev, []*Expr{
str("z2:0"),
str("z3:1"),
})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if offset for an availability zone is out of bounds", func() {
ev := &Evaluator{
Here: cursor("instance_groups.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-net
subnets:
- static: [ 10.0.0.1 - 10.0.0.5 ]
az: z1
- static: [ 10.0.2.1 - 10.0.2.5 ]
az: z2
instance_groups:
- name: job1
instances: 2
azs: [z1,z2]
networks:
- name: test-net
static_ips: <------------- HERE ------------
`),
}
r, err := op.Run(ev, []*Expr{
str("z1:4"),
str("z1:5"),
})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if an instance_group availability zone is not found in subnets", func() {
ev := &Evaluator{
Here: cursor("instance_groups.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-net
subnets:
- static: [ 10.0.0.2 - 10.0.0.4 ]
az: z1
- static: [ 10.0.2.6 - 10.0.2.10 ]
az: z2
instance_groups:
- name: job1
instances: 2
azs: [z1,z2,z3]
networks:
- name: test-net
static_ips: <------------- HERE ------------
`),
}
r, err := op.Run(ev, []*Expr{
str("z1:0"),
str("z2:1"),
})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("can resolve valid large networks inside of job contexts", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.0 - 10.1.0.1 ]
jobs:
- name: job1
instances: 7
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{
num(0),
num(255), // 2^8 - 1
num(256), // 2^8
num(257), // 2^8 + 1
num(65535), // 2^16 - 1
num(65536), // 2^16
num(65537), // 2^16 + 1
// 1st octet rollover testing disabled due to improve speed.
// but verified working on 11/30/2015 - gfranks
// num(16777215), // 2^24 - 1
// num(16777216), // 2^24
// num(16777217), // 2^24 + 1
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 7)
So(v[0], ShouldEqual, "10.0.0.0")
So(v[1], ShouldEqual, "10.0.0.255")
So(v[2], ShouldEqual, "10.0.1.0") // 3rd octet rollover
So(v[3], ShouldEqual, "10.0.1.1")
So(v[4], ShouldEqual, "10.0.255.255")
So(v[5], ShouldEqual, "10.1.0.0") // 2nd octet rollover
So(v[6], ShouldEqual, "10.1.0.1")
// 1st octet rollover testing disabled due to improve speed.
// but verified working on 11/30/2015 - gfranks
// So(v[7], ShouldEqual, "10.255.255.255")
// So(v[8], ShouldEqual, "11.0.0.0") // 1st octet rollover
// So(v[9], ShouldEqual, "11.0.0.1")
})
Convey("throws an error if no job name is specified", func() {
ev := &Evaluator{
Here: cursor("jobs.0.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if no job instances specified", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- name: job1
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if job instances is not a number", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- name: job1
instances: PI
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if job has no network name", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- name: job1
instances: 3
networks:
- static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network has no subnets key", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network has no subnets", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets: []
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network has no static ranges", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- {}
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network has malformed static range array(s)", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.1, 10.0.0.254 ]
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network static range has malformed IP addresses", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: 10.0.0.0.0.0.0.1 - geoff
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if the static address pool is too small", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: 172.16.31.10 - 172.16.31.11
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if the address pool ends before it starts", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.8.0.1 - 10.0.0.255 ]
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []*Expr{num(0), num(1), num(2)})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "ends before it starts")
So(r, ShouldBeNil)
})
})
Convey("inject Operator", t, func() {
op := InjectOperator{}
ev := &Evaluator{
Tree: YAML(
`key:
subkey:
value: found it
other: value 2
subkey2:
value: overridden
third: trois
list1:
- first
- second
list2:
- third
- fourth
`),
}
Convey("can inject a single sub-map", func() {
r, err := op.Run(ev, []*Expr{
ref("key.subkey"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Inject)
v, ok := r.Value.(map[interface{}]interface{})
So(ok, ShouldBeTrue)
So(v["value"], ShouldEqual, "found it")
So(v["other"], ShouldEqual, "value 2")
})
Convey("can inject multiple sub-maps", func() {
r, err := op.Run(ev, []*Expr{
ref("key.subkey"),
ref("key.subkey2"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Inject)
v, ok := r.Value.(map[interface{}]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 3)
So(v["value"], ShouldEqual, "overridden")
So(v["other"], ShouldEqual, "value 2")
So(v["third"], ShouldEqual, "trois")
})
Convey("handles non-existent references", func() {
_, err := op.Run(ev, []*Expr{
ref("key.subkey"),
ref("key.subkey2"),
ref("key.subkey2.ENOENT"),
})
So(err, ShouldNotBeNil)
})
Convey("throws an error when trying to inject a scalar", func() {
_, err := op.Run(ev, []*Expr{
ref("key.subkey.value"),
})
So(err, ShouldNotBeNil)
})
Convey("throws an error when trying to inject a list", func() {
_, err := op.Run(ev, []*Expr{
ref("key.list1"),
})
So(err, ShouldNotBeNil)
})
})
Convey("param Operator", t, func() {
op := ParamOperator{}
ev := &Evaluator{}
Convey("always causes an error", func() {
r, err := op.Run(ev, []*Expr{
str("this is the error"),
})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldEqual, "this is the error")
So(r, ShouldBeNil)
})
})
Convey("Join Operator", t, func() {
op := JoinOperator{}
ev := &Evaluator{
Tree: YAML(
`---
meta:
authorities:
- password.write
- clients.write
- clients.read
- scim.write
- scim.read
- uaa.admin
- clients.secret
secondlist:
- admin.write
- admin.read
emptylist: []
anotherkey:
- entry1
- somekey: value
- entry2
somestanza:
foo: bar
wom: bat
`),
}
Convey("can join a simple list", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.authorities"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "password.write,clients.write,clients.read,scim.write,scim.read,uaa.admin,clients.secret")
})
Convey("can join multiple lists", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.authorities"),
ref("meta.secondlist"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "password.write,clients.write,clients.read,scim.write,scim.read,uaa.admin,clients.secret,admin.write,admin.read")
})
Convey("can join an empty list", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.emptylist"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "")
})
Convey("can join string literals", func() {
r, err := op.Run(ev, []*Expr{
str(","),
str("password.write"),
str("clients.write"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "password.write,clients.write")
})
Convey("can join integer literals", func() {
r, err := op.Run(ev, []*Expr{
str(":"),
num(4), num(8), num(15),
num(16), num(23), num(42),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "4:8:15:16:23:42")
})
Convey("can join referenced string entry", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.somestanza.foo"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "bar")
})
Convey("can join referenced string entries", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.somestanza.foo"),
ref("meta.somestanza.wom"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "bar,bat")
})
Convey("can join multiple referenced entries", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.authorities"),
ref("meta.somestanza.foo"),
ref("meta.somestanza.wom"),
str("ending"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "password.write,clients.write,clients.read,scim.write,scim.read,uaa.admin,clients.secret,bar,bat,ending")
})
Convey("throws an error when there are no arguments", func() {
r, err := op.Run(ev, []*Expr{})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "no arguments specified")
So(r, ShouldBeNil)
})
Convey("throws an error when there are too few arguments", func() {
r, err := op.Run(ev, []*Expr{
str(","),
})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "too few arguments supplied")
So(r, ShouldBeNil)
})
Convey("throws an error when seperator argument is not a literal", func() {
r, err := op.Run(ev, []*Expr{
ref("meta.emptylist"),
ref("meta.authorities"),
})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "join operator only accepts literal argument for the seperator")
So(r, ShouldBeNil)
})
Convey("throws an error when referenced entry is not a list or literal", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.somestanza"),
})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "referenced entry is not a list or string")
So(r, ShouldBeNil)
})
Convey("throws an error when referenced list contains non-string entries", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.anotherkey"),
})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "is not compatible for")
So(r, ShouldBeNil)
})
Convey("throws an error when there are unresolvable references", func() {
r, err := op.Run(ev, []*Expr{
str(","),
ref("meta.non-existent"),
})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "Unable to resolve")
So(r, ShouldBeNil)
})
Convey("calculates dependencies correctly", func() {
//TODO: Move this to a higher scope when more dependencies tests are added
shouldHaveDeps := func(actual interface{}, expected ...interface{}) string {
deps := actual.([]*tree.Cursor)
paths := []string{}
for _, path := range expected {
normalizedPath, err := tree.ParseCursor(path.(string))
if err != nil {
panic(fmt.Sprintf("improper path %s passed to test", path.(string)))
}
paths = append(paths, normalizedPath.String())
}
actualPaths := []string{}
//make an array so we can give some coherent output on error
for _, dep := range deps {
//Pass through tree so that tests can tolerate changes to the cursor lib
actualPaths = append(actualPaths, dep.String())
}
//sort and compare
sort.Strings(actualPaths)
sort.Strings(paths)
match := reflect.DeepEqual(actualPaths, paths)
//give result
if !match {
return fmt.Sprintf("actual: %+v\n expected: %+v", actualPaths, paths)
}
return ""
}
Convey("with a single list", func() {
deps := op.Dependencies(ev, []*Expr{
str(" "),
ref("meta.secondlist"),
}, nil)
So(deps, shouldHaveDeps, "meta.secondlist.[0]", "meta.secondlist.[1]")
})
Convey("with multiple lists", func() {
deps := op.Dependencies(ev, []*Expr{
str(" "),
ref("meta.authorities"),
ref("meta.secondlist"),
}, nil)
So(deps, shouldHaveDeps, "meta.authorities.[0]", "meta.authorities.[1]",
"meta.authorities.[2]", "meta.authorities.[3]", "meta.authorities.[4]",
"meta.authorities.[5]", "meta.authorities.[6]",
"meta.secondlist.[0]", "meta.secondlist.[1]")
})
Convey("with a reference string", func() {
deps := op.Dependencies(ev, []*Expr{
str(" "),
ref("meta.somestanza.foo"),
}, nil)
So(deps, shouldHaveDeps, "meta.somestanza.foo")
})
Convey("with multiple reference strings", func() {
deps := op.Dependencies(ev, []*Expr{
str(" "),
ref("meta.somestanza.foo"),
ref("meta.somestanza.wom"),
}, nil)
So(deps, shouldHaveDeps, "meta.somestanza.foo", "meta.somestanza.wom")
})
Convey("with a reference string and a list", func() {
deps := op.Dependencies(ev, []*Expr{
str(" "),
ref("meta.somestanza.foo"),
ref("meta.secondlist"),
}, nil)
So(deps, shouldHaveDeps, "meta.somestanza.foo", "meta.secondlist.[0]",
"meta.secondlist.[1]")
})
Convey("with a literal string", func() {
deps := op.Dependencies(ev, []*Expr{
str(" "),
str("literally literal"),
}, nil)
So(deps, shouldHaveDeps)
})
Convey("with a literal string and a reference string", func() {
deps := op.Dependencies(ev, []*Expr{
str(" "),
str("beep"),
ref("meta.somestanza.foo"),
}, nil)
So(deps, shouldHaveDeps, "meta.somestanza.foo")
})
})
})
Convey("empty operator", t, func() {
op := EmptyOperator{}
ev := &Evaluator{
Tree: YAML(
`---
meta:
authorities: meep
`),
}
//These three are with unquoted arguments (references)
Convey("can replace with a hash", func() {
r, err := op.Run(ev, []*Expr{
ref("hash"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
val, isHash := r.Value.(map[string]interface{})
So(isHash, ShouldBeTrue)
So(val, ShouldResemble, map[string]interface{}{})
})
Convey("can replace with an array", func() {
r, err := op.Run(ev, []*Expr{
ref("array"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
val, isArray := r.Value.([]interface{})
So(isArray, ShouldBeTrue)
So(val, ShouldResemble, []interface{}{})
})
Convey("can replace with an empty string", func() {
r, err := op.Run(ev, []*Expr{
ref("string"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
val, isString := r.Value.(string)
So(isString, ShouldBeTrue)
So(val, ShouldEqual, "")
})
Convey("throws an error for unrecognized types", func() {
r, err := op.Run(ev, []*Expr{
ref("void"),
})
So(r, ShouldBeNil)
So(err, ShouldNotBeNil)
})
Convey("works with string literals", func() {
r, err := op.Run(ev, []*Expr{
str("hash"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
val, isHash := r.Value.(map[string]interface{})
So(isHash, ShouldBeTrue)
So(val, ShouldResemble, map[string]interface{}{})
})
Convey("throws an error with no args", func() {
r, err := op.Run(ev, []*Expr{})
So(r, ShouldBeNil)
So(err, ShouldNotBeNil)
})
Convey("throws an error with too many args", func() {
r, err := op.Run(ev, []*Expr{
ref("hash"),
ref("array"),
})
So(r, ShouldBeNil)
So(err, ShouldNotBeNil)
})
})
}
func TestOperators(t *testing.T) {
cursor := func(s string) *Cursor {
c, err := ParseCursor(s)
So(err, ShouldBeNil)
return c
}
YAML := func(s string) map[interface{}]interface{} {
y, err := simpleyaml.NewYaml([]byte(s))
So(err, ShouldBeNil)
data, err := y.Map()
So(err, ShouldBeNil)
return data
}
Convey("Parser", t, func() {
Convey("parses op calls in their entirety", func() {
opOk := func(code string, name string, args ...interface{}) {
op, err := ParseOpcall(code)
So(err, ShouldBeNil)
So(op, ShouldNotBeNil)
_, ok := op.op.(NullOperator)
So(ok, ShouldBeTrue)
So(op.op.(NullOperator).Missing, ShouldEqual, name)
So(len(op.args), ShouldEqual, len(args))
for i, expect := range args {
switch expect.(type) {
case string:
So(op.args[i], ShouldEqual, expect.(string))
case *Cursor:
_, ok := op.args[i].(*Cursor)
So(ok, ShouldBeTrue)
So(op.args[i].(*Cursor).String(), ShouldEqual, expect.(*Cursor).String())
}
}
}
cursor := func(s string) *Cursor {
c, err := ParseCursor(s)
So(err, ShouldBeNil)
return c
}
Convey("handles opcodes with and without arguments", func() {
opOk(`(( null ))`, "null")
opOk(`(( null 42 ))`, "null", "42")
opOk(`(( null 1 2 3 4 ))`, "null", "1", "2", "3", "4")
})
Convey("ignores optional whitespace", func() {
opOk(`((null))`, "null")
opOk(`(( null ))`, "null")
opOk(`(( null ))`, "null")
args := []interface{}{"1", "2", "3"}
opOk(`((null 1 2 3))`, "null", args...)
opOk(`((null 1 2 3))`, "null", args...)
opOk(`((null 1 2 3 ))`, "null", args...)
opOk(`((null 1 2 3 ))`, "null", args...)
})
Convey("allows use of commas to separate arguments", func() {
args := []interface{}{"1", "2", "3"}
opOk(`((null 1, 2, 3))`, "null", args...)
opOk(`((null 1, 2, 3))`, "null", args...)
opOk(`((null 1, 2, 3, ))`, "null", args...)
opOk(`((null 1 , 2 , 3 , ))`, "null", args...)
})
Convey("allows use of parentheses around arguments", func() {
args := []interface{}{"1", "2", "3"}
opOk(`((null(1,2,3)))`, "null", args...)
opOk(`((null(1, 2, 3) ))`, "null", args...)
opOk(`((null( 1, 2, 3)))`, "null", args...)
opOk(`((null (1, 2, 3) ))`, "null", args...)
opOk(`((null (1 , 2 , 3) ))`, "null", args...)
})
Convey("handles string literal arguments", func() {
opOk(`(( null "string" ))`, "null", "string")
opOk(`(( null "string with whitespace" ))`, "null", "string with whitespace")
opOk(`(( null "a \"quoted\" string" ))`, "null", `a "quoted" string`)
opOk(`(( null "\\escaped" ))`, "null", `\escaped`)
})
Convey("handles reference (cursor) arguments", func() {
opOk(`(( null x.y.z ))`, "null", cursor("x.y.z"))
opOk(`(( null x.[0].z ))`, "null", cursor("x.0.z"))
opOk(`(( null x[0].z ))`, "null", cursor("x.0.z"))
opOk(`(( null x[0]z ))`, "null", cursor("x.0.z"))
})
Convey("handles mixed collections of argument types", func() {
opOk(`(( xyzzy "string" x.y.z 42 ))`, "xyzzy", "string", cursor("x.y.z"), "42")
opOk(`(( xyzzy("string" x.y.z 42) ))`, "xyzzy", "string", cursor("x.y.z"), "42")
})
})
})
Convey("Grab Operator", t, func() {
op := GrabOperator{}
ev := &Evaluator{
Tree: YAML(
`key:
subkey:
value: found it
other: value 2
list1:
- first
- second
list2:
- third
- fourth
lonely:
- one
`),
}
Convey("can grab a single value", func() {
r, err := op.Run(ev, []interface{}{
cursor("key.subkey.value"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "found it")
})
Convey("can grab a single list value", func() {
r, err := op.Run(ev, []interface{}{
cursor("key.lonely"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
l, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(l), ShouldEqual, 1)
So(l[0], ShouldEqual, "one")
})
Convey("can grab a multiple lists and flatten them", func() {
r, err := op.Run(ev, []interface{}{
cursor("key.list1"),
cursor("key.lonely"),
cursor("key.list2"),
cursor("key.lonely.0"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
l, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(l), ShouldEqual, 6)
So(l[0], ShouldEqual, "first")
So(l[1], ShouldEqual, "second")
So(l[2], ShouldEqual, "one")
So(l[3], ShouldEqual, "third")
So(l[4], ShouldEqual, "fourth")
So(l[5], ShouldEqual, "one")
})
Convey("can grab multiple values", func() {
r, err := op.Run(ev, []interface{}{
cursor("key.subkey.value"),
cursor("key.subkey.other"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 2)
So(v[0], ShouldEqual, "found it")
So(v[1], ShouldEqual, "value 2")
})
Convey("flattens constituent arrays", func() {
r, err := op.Run(ev, []interface{}{
cursor("key.list2"),
cursor("key.list1"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 4)
So(v[0], ShouldEqual, "third")
So(v[1], ShouldEqual, "fourth")
So(v[2], ShouldEqual, "first")
So(v[3], ShouldEqual, "second")
})
Convey("throws errors for missing arguments", func() {
_, err := op.Run(ev, []interface{}{})
So(err, ShouldNotBeNil)
})
Convey("throws errors for dangling references", func() {
_, err := op.Run(ev, []interface{}{
cursor("key.that.does.not.exist"),
})
So(err, ShouldNotBeNil)
})
})
Convey("Concat Operator", t, func() {
op := ConcatOperator{}
ev := &Evaluator{
Tree: YAML(
`key:
subkey:
value: found it
other: value 2
list1:
- first
- second
list2:
- third
- fourth
douglas:
adams: 42
math:
PI: 3.14159
`),
}
Convey("can concat a single value", func() {
r, err := op.Run(ev, []interface{}{
cursor("key.subkey.value"),
cursor("key.list1.0"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "found itfirst")
})
Convey("can concat a literal values", func() {
r, err := op.Run(ev, []interface{}{
"a literal ",
"value",
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "a literal value")
})
Convey("can concat multiple values", func() {
r, err := op.Run(ev, []interface{}{
"I ",
cursor("key.subkey.value"),
"!",
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "I found it!")
})
Convey("can concat integer literals", func() {
r, err := op.Run(ev, []interface{}{
"the answer = ",
cursor("douglas.adams"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "the answer = 42")
})
Convey("can concat float literals", func() {
r, err := op.Run(ev, []interface{}{
cursor("math.PI"),
" is PI",
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
So(r.Value.(string), ShouldEqual, "3.14159 is PI")
})
Convey("throws errors for missing arguments", func() {
_, err := op.Run(ev, []interface{}{})
So(err, ShouldNotBeNil)
_, err = op.Run(ev, []interface{}{"one"})
So(err, ShouldNotBeNil)
})
Convey("throws errors for dangling references", func() {
_, err := op.Run(ev, []interface{}{
cursor("key.that.does.not.exist"),
"string",
})
So(err, ShouldNotBeNil)
})
})
Convey("static_ips Operator", t, func() {
op := StaticIPOperator{}
Convey("can resolve valid networks inside of job contexts", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Replace)
v, ok := r.Value.([]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 3)
So(v[0], ShouldEqual, "10.0.0.5")
So(v[1], ShouldEqual, "10.0.0.6")
So(v[2], ShouldEqual, "10.0.0.7")
})
Convey("throws an error if no job name is specified", func() {
ev := &Evaluator{
Here: cursor("jobs.0.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if no job instances specified", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- name: job1
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if job instances is not a number", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- name: job1
instances: PI
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if job has no network name", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.5 - 10.0.0.10 ]
jobs:
- name: job1
instances: 3
networks:
- static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network has no subnets key", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network has no subnets", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets: []
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network has no static ranges", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- {}
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network has malformed static range array(s)", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: [ 10.0.0.1, 10.0.0.254 ]
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if network static range has malformed IP addresses", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: 10.0.0.0.0.0.0.1 - geoff
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
Convey("throws an error if the static address pool is too small", func() {
ev := &Evaluator{
Here: cursor("jobs.job1.networks.0.static_ips"),
Tree: YAML(
`networks:
- name: test-network
subnets:
- static: 172.16.31.10 - 172.16.31.11
jobs:
- name: job1
instances: 3
networks:
- name: test-network
static_ips: <---------- HERE -----------------
`),
}
r, err := op.Run(ev, []interface{}{"0", "1", "2"})
So(err, ShouldNotBeNil)
So(r, ShouldBeNil)
})
})
Convey("inject Operator", t, func() {
op := InjectOperator{}
ev := &Evaluator{
Tree: YAML(
`key:
subkey:
value: found it
other: value 2
subkey2:
value: overridden
third: trois
list1:
- first
- second
list2:
- third
- fourth
`),
}
Convey("can inject a single sub-map", func() {
r, err := op.Run(ev, []interface{}{
cursor("key.subkey"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Inject)
v, ok := r.Value.(map[interface{}]interface{})
So(ok, ShouldBeTrue)
So(v["value"], ShouldEqual, "found it")
So(v["other"], ShouldEqual, "value 2")
})
Convey("can inject multiple sub-maps", func() {
r, err := op.Run(ev, []interface{}{
cursor("key.subkey"),
cursor("key.subkey2"),
})
So(err, ShouldBeNil)
So(r, ShouldNotBeNil)
So(r.Type, ShouldEqual, Inject)
v, ok := r.Value.(map[interface{}]interface{})
So(ok, ShouldBeTrue)
So(len(v), ShouldEqual, 3)
So(v["value"], ShouldEqual, "overridden")
So(v["other"], ShouldEqual, "value 2")
So(v["third"], ShouldEqual, "trois")
})
Convey("handles non-existent references", func() {
_, err := op.Run(ev, []interface{}{
cursor("key.subkey"),
cursor("key.subkey2"),
cursor("key.subkey2.ENOENT"),
})
So(err, ShouldNotBeNil)
})
Convey("throws an error when trying to inject a scalar", func() {
_, err := op.Run(ev, []interface{}{
cursor("key.subkey.value"),
})
So(err, ShouldNotBeNil)
})
Convey("throws an error when trying to inject a list", func() {
_, err := op.Run(ev, []interface{}{
cursor("key.list1"),
})
So(err, ShouldNotBeNil)
})
})
Convey("param Operator", t, func() {
op := ParamOperator{}
ev := &Evaluator{}
Convey("always causes an error", func() {
r, err := op.Run(ev, []interface{}{
"this is the error",
})
So(err, ShouldNotBeNil)
So(err.Error(), ShouldEqual, "this is the error")
So(r, ShouldBeNil)
})
})
}
func TestVault(t *testing.T) {
YAML := func(s string) map[interface{}]interface{} {
y, err := simpleyaml.NewYaml([]byte(s))
So(err, ShouldBeNil)
data, err := y.Map()
So(err, ShouldBeNil)
return data
}
ToYAML := func(tree map[interface{}]interface{}) string {
y, err := yaml.Marshal(tree)
So(err, ShouldBeNil)
return string(y)
}
ReYAML := func(s string) string {
return ToYAML(YAML(s))
}
RunTests := func(src string) {
var test, input, output string
var current *string
testPat := regexp.MustCompile(`^##+\s+(.*)\s*$`)
convey := func() {
if test != "" {
Convey(test, func() {
ev := &Evaluator{Tree: YAML(input)}
err := ev.RunPhase(EvalPhase)
So(err, ShouldBeNil)
So(ToYAML(ev.Tree), ShouldEqual, ReYAML(output))
})
}
}
s := bufio.NewScanner(strings.NewReader(src))
for s.Scan() {
if testPat.MatchString(s.Text()) {
m := testPat.FindStringSubmatch(s.Text())
convey()
test, input, output = m[1], "", ""
continue
}
if s.Text() == "---" {
if input == "" {
current = &input
} else {
current = &output
}
continue
}
if current != nil {
*current = *current + s.Text() + "\n"
}
}
convey()
}
RunErrorTests := func(src string) {
var test, input, errors string
var current *string
testPat := regexp.MustCompile(`^##+\s+(.*)\s*$`)
convey := func() {
if test != "" {
Convey(test, func() {
ev := &Evaluator{Tree: YAML(input)}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
So(strings.Trim(err.Error(), " \t"), ShouldEqual, errors)
})
}
}
s := bufio.NewScanner(strings.NewReader(src))
for s.Scan() {
if testPat.MatchString(s.Text()) {
m := testPat.FindStringSubmatch(s.Text())
convey()
test, input, errors = m[1], "", ""
continue
}
if s.Text() == "---" {
if input == "" {
current = &input
} else {
current = &errors
}
continue
}
if current != nil {
*current = *current + s.Text() + "\n"
}
}
convey()
}
Convey("Disconnected Vault", t, func() {
os.Setenv("REDACT", "yes")
RunTests(`
################################################## emits REDACTED when asked to
---
secret: (( vault "secret/hand:shake" ))
---
secret: REDACTED
`)
})
Convey("Connected Vault", t, func() {
mock := httptest.NewServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
if r.Header.Get("X-Vault-Token") != "sekrit-toekin" {
w.WriteHeader(403)
fmt.Fprintf(w, `{"errors":["missing client token"]}`)
return
}
switch r.URL.Path {
case "/v1/secret/hand":
w.WriteHeader(200)
fmt.Fprintf(w, `{"data":{"shake":"knock, knock"}}`)
case "/v1/secret/admin":
w.WriteHeader(200)
fmt.Fprintf(w, `{"data":{"username":"******","password":"******"}}`)
case "/v1/secret/key":
w.WriteHeader(200)
fmt.Fprintf(w, `{"data":{"test":"testing"}}`)
case "/v1/secret/malformed":
w.WriteHeader(200)
fmt.Fprintf(w, `wait, this isn't JSON`)
case "/v1/secret/structure":
w.WriteHeader(200)
fmt.Fprintf(w, `{"data":{"data":[1,2,3]}}`)
default:
w.WriteHeader(404)
fmt.Fprintf(w, `{"errors":[]}`)
}
},
),
)
defer mock.Close()
os.Setenv("REDACT", "")
os.Setenv("VAULT_ADDR", mock.URL)
os.Setenv("VAULT_TOKEN", "sekrit-toekin")
RunTests(`
################################################ emits sensitive credentials
---
meta:
prefix: secret
key: secret/key:test
secret: (( vault "secret/hand:shake" ))
username: (( vault "secret/admin:username" ))
password: (( vault "secret/admin:password" ))
prefixed: (( vault meta.prefix "/admin:password" ))
key: (( vault $.meta.key ))
---
meta:
key: secret/key:test
prefix: secret
secret: knock, knock
username: admin
password: x12345
prefixed: x12345
key: testing
`)
os.Setenv("VAULT_ADDR", mock.URL)
oldhome := os.Getenv("HOME")
os.Setenv("HOME", "assets/home/auth")
os.Setenv("VAULT_TOKEN", "")
RunTests(`
########################## retrieves token transparently from ~/.vault-token
---
secret: (( vault "secret/hand:shake" ))
---
secret: knock, knock
`)
os.Setenv("VAULT_ADDR", "garbage")
os.Setenv("VAULT_TOKEN", "")
os.Setenv("HOME", "assets/home/svtoken")
ioutil.WriteFile("assets/home/svtoken/.svtoken",
[]byte("vault: "+mock.URL+"\n"+
"token: sekrit-toekin\n"), 0644)
RunTests(`
############################## retrieves token transparently from ~/.svtoken
---
secret: (( vault "secret/hand:shake" ))
---
secret: knock, knock
`)
/* RESET TO A VALID, AUTHENTICATED STATE */
os.Setenv("VAULT_ADDR", mock.URL)
os.Setenv("HOME", "assets/home/auth")
RunErrorTests(`
######################################### fails when missing its argument
---
secret: (( vault ))
---
1 error(s) detected:
- $.secret: vault operator requires at least one argument
######################################### fails on non-existent reference
---
meta: {}
secret: (( vault $.meta.key ))
---
1 error(s) detected:
- $.secret: Unable to resolve ` + "`" + `meta.key` + "`" + `: ` + "`" + `$.meta.key` + "`" + ` could not be found in the datastructure
#################################################### fails on map reference
---
meta:
key: secret/hand:shake
secret: (( vault $.meta ))
---
1 error(s) detected:
- $.secret: tried to look up $.meta, which is not a string scalar
################################################## fails on list reference
---
meta:
- first
secret: (( vault $.meta ))
---
1 error(s) detected:
- $.secret: tried to look up $.meta, which is not a string scalar
######################################### fails on non-existent credentials
---
secret: (( vault "secret/e:noent" ))
---
1 error(s) detected:
- $.secret: secret secret/e:noent not found
############################################## fails on non-string argument
---
secret: (( vault 42 ))
---
1 error(s) detected:
- $.secret: invalid argument 42; must be in the form path/to/secret:key
################################################# fails on non-JSON response
---
secret: (( vault "secret/malformed:key" ))
---
1 error(s) detected:
- $.secret: bad JSON response received from Vault: "wait, this isn't JSON"
################################################# fails on non-string data
---
secret: (( vault "secret/structure:data" ))
---
1 error(s) detected:
- $.secret: secret secret/structure:data is not a string
`)
os.Setenv("VAULT_TOKEN", "incorrect")
RunErrorTests(`
##################################################### fails on a bad token
---
secret: (( vault "secret/hand:shake" ))
---
1 error(s) detected:
- $.secret: failed to retrieve secret/hand:shake from Vault (` + os.Getenv("VAULT_ADDR") + `): missing client token
`)
oldhome = os.Getenv("HOME")
os.Setenv("HOME", "assets/home/unauth")
os.Setenv("REDACT", "")
os.Setenv("VAULT_TOKEN", "")
RunErrorTests(`
################################################ fails on a missing token
---
secret: (( vault "secret/hand:shake" ))
---
1 error(s) detected:
- $.secret: Failed to determine Vault URL / token, and the $REDACT environment variable is not set.
`)
os.Setenv("HOME", oldhome)
})
Convey("It correctly parses path", t, func() {
for _, test := range []struct {
path string //The full path to run through the parse function
expSecret string //What is expected to be left of the colon
expKey string //What is expected to be right of the colon
}{
//-----TEST CASES GO HERE-----
// { "path to parse", "expected secret", "expected key" }
{"just/a/secret", "just/a/secret", ""},
{"secret/with/colon:", "secret/with/colon", ""},
{":", "", ""},
{"a:", "a", ""},
{"", "", ""},
{"secret/and:key", "secret/and", "key"},
{":justakey", "", "justakey"},
{"secretwithcolon://127.0.0.1:", "secretwithcolon://127.0.0.1", ""},
{"secretwithcolons://127.0.0.1:8500:", "secretwithcolons://127.0.0.1:8500", ""},
{"secretwithcolons://127.0.0.1:8500:andkey", "secretwithcolons://127.0.0.1:8500", "andkey"},
} {
Convey(test.path, func() {
secret, key := parsePath(test.path)
So(secret, ShouldEqual, test.expSecret)
So(key, ShouldEqual, test.expKey)
})
}
})
}
func TestExamples(t *testing.T) {
var stdout string
printfStdOut = func(format string, args ...interface{}) {
stdout = fmt.Sprintf(format, args...)
}
var stderr string
printfStdErr = func(format string, args ...interface{}) {
stderr = fmt.Sprintf(format, args...)
}
rc := 256 // invalid return code to catch any issues
exit = func(code int) {
rc = code
}
YAML := func(path string) string {
s, err := ioutil.ReadFile(path)
So(err, ShouldBeNil)
y, err := simpleyaml.NewYaml([]byte(s))
So(err, ShouldBeNil)
data, err := y.Map()
So(err, ShouldBeNil)
out, err := yaml.Marshal(data)
So(err, ShouldBeNil)
return string(out) + "\n"
}
Convey("Examples from README.md", t, func() {
example := func(args ...string) {
expect := args[len(args)-1]
args = args[:len(args)-1]
os.Args = []string{"spruce", "merge"}
os.Args = append(os.Args, args...)
stdout, stderr = "", ""
main()
So(stderr, ShouldEqual, "")
So(stdout, ShouldEqual, YAML(expect))
}
Convey("Basic Example", func() {
example(
"../../examples/basic/main.yml",
"../../examples/basic/merge.yml",
"../../examples/basic/output.yml",
)
})
Convey("Map Replacements", func() {
example(
"../../examples/map-replacement/original.yml",
"../../examples/map-replacement/delete.yml",
"../../examples/map-replacement/insert.yml",
"../../examples/map-replacement/output.yml",
)
})
Convey("Key Removal", func() {
example(
"--prune", "deleteme",
"../../examples/key-removal/original.yml",
"../../examples/key-removal/things.yml",
"../../examples/key-removal/output.yml",
)
example(
"../../examples/pruning/base.yml",
"../../examples/pruning/jobs.yml",
"../../examples/pruning/networks.yml",
"../../examples/pruning/output.yml",
)
})
Convey("Lists of Maps", func() {
example(
"../../examples/list-of-maps/original.yml",
"../../examples/list-of-maps/new.yml",
"../../examples/list-of-maps/output.yml",
)
})
Convey("Static IPs", func() {
example(
"../../examples/static-ips/jobs.yml",
"../../examples/static-ips/properties.yml",
"../../examples/static-ips/networks.yml",
"../../examples/static-ips/output.yml",
)
})
Convey("Static IPs with availability zones", func() {
example(
"../../examples/availability-zones/jobs.yml",
"../../examples/availability-zones/properties.yml",
"../../examples/availability-zones/networks.yml",
"../../examples/availability-zones/output.yml",
)
})
Convey("Injecting Subtrees", func() {
example(
"--prune", "meta",
"../../examples/inject/all-in-one.yml",
"../../examples/inject/output.yml",
)
example(
"--prune", "meta",
"../../examples/inject/templates.yml",
"../../examples/inject/green.yml",
"../../examples/inject/output.yml",
)
})
Convey("Pruning", func() {
example(
"../../examples/pruning/base.yml",
"../../examples/pruning/jobs.yml",
"../../examples/pruning/networks.yml",
"../../examples/pruning/output.yml",
)
})
Convey("Inserting", func() {
example(
"../../examples/inserting/main.yml",
"../../examples/inserting/addon.yml",
"../../examples/inserting/result.yml",
)
})
})
}
func TestEvaluator(t *testing.T) {
YAML := func(s string) map[interface{}]interface{} {
y, err := simpleyaml.NewYaml([]byte(s))
So(err, ShouldBeNil)
data, err := y.Map()
So(err, ShouldBeNil)
return data
}
Convey("Evaluator", t, func() {
Convey("Data Flow", func() {
Convey("Generates a sequential list of operator calls, in order", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
foo: FOO
bar: (( grab meta.foo ))
baz: (( grab meta.bar ))
quux: (( grab meta.baz ))
boz: (( grab meta.quux ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
So(ev.DataOps, ShouldNotBeNil)
// expect: meta.bar (( grab meta.foo ))
// meta.baz (( grab meta.bar ))
// meta.quux (( grab meta.baz ))
// meta.boz (( grab meta.quux ))
So(len(ev.DataOps), ShouldEqual, 4)
So(ev.DataOps[0].where.String(), ShouldEqual, "meta.bar")
So(ev.DataOps[0].src, ShouldEqual, "(( grab meta.foo ))")
So(ev.DataOps[1].where.String(), ShouldEqual, "meta.baz")
So(ev.DataOps[1].src, ShouldEqual, "(( grab meta.bar ))")
So(ev.DataOps[2].where.String(), ShouldEqual, "meta.quux")
So(ev.DataOps[2].src, ShouldEqual, "(( grab meta.baz ))")
So(ev.DataOps[3].where.String(), ShouldEqual, "meta.boz")
So(ev.DataOps[3].src, ShouldEqual, "(( grab meta.quux ))")
})
Convey("detects direct (a -> b -> a) cycles in data flow graph", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
bar: (( grab meta.foo ))
foo: (( grab meta.bar ))
`),
}
err := ev.DataFlow()
So(err, ShouldNotBeNil)
})
Convey("detects indirect (a -> b -> c -> a) cycles in data flow graph", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
foo: (( grab meta.bar ))
bar: (( grab meta.baz ))
baz: (( grab meta.foo ))
`),
}
err := ev.DataFlow()
So(err, ShouldNotBeNil)
})
Convey("handles data flow regardless of operator type", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
foo: FOO
bar: (( grab meta.foo ))
baz: (( grab meta.bar ))
quux: (( concat "literal:" meta.baz ))
boz: (( grab meta.quux ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
// expect: meta.bar (( grab meta.foo ))
// meta.baz (( grab meta.bar ))
// meta.quux (( concat "literal:" meta.baz ))
// meta.boz (( grab meta.quux ))
So(len(ev.DataOps), ShouldEqual, 4)
So(ev.DataOps[0].where.String(), ShouldEqual, "meta.bar")
So(ev.DataOps[0].src, ShouldEqual, "(( grab meta.foo ))")
So(ev.DataOps[1].where.String(), ShouldEqual, "meta.baz")
So(ev.DataOps[1].src, ShouldEqual, "(( grab meta.bar ))")
So(ev.DataOps[2].where.String(), ShouldEqual, "meta.quux")
So(ev.DataOps[2].src, ShouldEqual, `(( concat "literal:" meta.baz ))`)
So(ev.DataOps[3].where.String(), ShouldEqual, "meta.boz")
So(ev.DataOps[3].src, ShouldEqual, "(( grab meta.quux ))")
})
Convey("handles data flow for operators in lists", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
- FOO
- (( grab meta.0 ))
- (( grab meta.1 ))
- (( concat "literal:" meta.2 ))
- (( grab meta.3 ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
// expect: meta.1 (( grab meta.0 ))
// meta.2 (( grab meta.1 ))
// meta.3 (( concat "literal:" meta.2 ))
// meta.4 (( grab meta.3 ))
So(len(ev.DataOps), ShouldEqual, 4)
So(ev.DataOps[0].where.String(), ShouldEqual, "meta.1")
So(ev.DataOps[0].src, ShouldEqual, "(( grab meta.0 ))")
So(ev.DataOps[1].where.String(), ShouldEqual, "meta.2")
So(ev.DataOps[1].src, ShouldEqual, "(( grab meta.1 ))")
So(ev.DataOps[2].where.String(), ShouldEqual, "meta.3")
So(ev.DataOps[2].src, ShouldEqual, `(( concat "literal:" meta.2 ))`)
So(ev.DataOps[3].where.String(), ShouldEqual, "meta.4")
So(ev.DataOps[3].src, ShouldEqual, "(( grab meta.3 ))")
})
Convey("handles deep copy in data flow graph", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
first: [ a, b, c ]
second: (( grab meta.first ))
third: (( grab meta.second ))
gotcha: (( grab meta.third.0 ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
// expect: meta.second (( grab meta.first ))
// meta.third (( grab meta.second ))
// meta.gotcha (( grab meta.third.0 ))
//
// (the key point here is that meta.third.0 doesn't
// exist in the tree until we start evaluating, but
// we still need to get the order correct; we should
// have a dep on meta.third, and hope that run-time
// resolution puts an array there for us to find...)
//
So(len(ev.DataOps), ShouldEqual, 3)
So(ev.DataOps[0].where.String(), ShouldEqual, "meta.second")
So(ev.DataOps[0].src, ShouldEqual, "(( grab meta.first ))")
So(ev.DataOps[1].where.String(), ShouldEqual, "meta.third")
So(ev.DataOps[1].src, ShouldEqual, "(( grab meta.second ))")
So(ev.DataOps[2].where.String(), ShouldEqual, "meta.gotcha")
So(ev.DataOps[2].src, ShouldEqual, "(( grab meta.third.0 ))")
})
Convey("handles implicit static_ip dependency on jobs.*.networks.*.name", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
environment: prod
size: 4
networks:
- name: sandbox
subnets:
- static: [ 10.2.0.5 - 10.2.0.10 ]
- name: prod
subnets:
- static: [ 10.0.0.5 - 10.0.0.100 ]
jobs:
- name: job1
instances: 4
networks:
- name: (( grab meta.environment ))
static_ips: (( static_ips 1 2 3 4 ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
// expect: jobs.0.networks.0.name (( grab meta.environment ))
// jobs.0.networks.0.static_ips (( static_ips 1 2 3 4 ))
So(len(ev.DataOps), ShouldEqual, 2)
So(ev.DataOps[0].where.String(), ShouldEqual, "jobs.0.networks.0.name")
So(ev.DataOps[0].src, ShouldEqual, "(( grab meta.environment ))")
So(ev.DataOps[1].where.String(), ShouldEqual, "jobs.0.networks.0.static_ips")
So(ev.DataOps[1].src, ShouldEqual, "(( static_ips 1 2 3 4 ))")
})
Convey("handles implicit static_ip dependency on networks.*.name", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
net: real
environment: prod
size: 4
networks:
- name: (( concat meta.net "-prod" ))
subnets:
- static: [ 10.0.0.5 - 10.0.0.100 ]
jobs:
- name: job1
instances: 4
networks:
- name: prod-net # must be literal to avoid non-determinism
static_ips: (( static_ips 1 2 3 4 ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
// expect: networks.0.name (( concat meta.net "-prod" ))
// jobs.0.networks.0.static_ips (( static_ips 1 2 3 4 ))
So(len(ev.DataOps), ShouldEqual, 2)
So(ev.DataOps[0].where.String(), ShouldEqual, "networks.0.name")
So(ev.DataOps[0].src, ShouldEqual, `(( concat meta.net "-prod" ))`)
So(ev.DataOps[1].where.String(), ShouldEqual, "jobs.0.networks.0.static_ips")
So(ev.DataOps[1].src, ShouldEqual, "(( static_ips 1 2 3 4 ))")
})
Convey("handles dependency on static_ips() calls via (( grab )) calls", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
networks:
- name: net1
subnets:
- static: [ 10.0.0.5 - 10.0.0.100 ]
jobs:
- name: job1
instances: 4
networks:
- name: net1
static_ips: (( static_ips 1 2 3 4 ))
properties:
job_ips: (( grab jobs.job1.networks.net1.static_ips ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
So(ev.DataOps, ShouldNotBeNil)
// expect: jobs.0.networks.0.static_ips (( static_ips 1 2 3 4 ))
// properties.job_ips (( grab jobs.job1.networks.net1.static_ips ))
So(len(ev.DataOps), ShouldEqual, 2)
So(ev.DataOps[0].where.String(), ShouldEqual, "jobs.0.networks.0.static_ips")
So(ev.DataOps[0].src, ShouldEqual, "(( static_ips 1 2 3 4 ))")
So(ev.DataOps[1].where.String(), ShouldEqual, "properties.job_ips")
So(ev.DataOps[1].src, ShouldEqual, "(( grab jobs.job1.networks.net1.static_ips ))")
})
Convey("handles implicit deps on sub-tree operations in (( inject ... )) targets", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
template:
foo: bar
baz: (( grab meta.template.foo ))
thing:
<<<: (( inject meta.template ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
So(len(ev.DataOps), ShouldEqual, 2)
So(ev.DataOps[0].where.String(), ShouldEqual, "meta.template.baz")
So(ev.DataOps[0].src, ShouldEqual, "(( grab meta.template.foo ))")
So(ev.DataOps[1].where.String(), ShouldEqual, "thing.<<<")
So(ev.DataOps[1].src, ShouldEqual, "(( inject meta.template ))")
})
Convey("handles inject of an inject of a grab (so meta)", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
template1:
foo: bar
baz: (( grab meta.template1.foo ))
template2:
<<<: (( inject meta.template1 ))
xyzzy: nothing happens
thing:
<<<: (( inject meta.template2 ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
So(len(ev.DataOps), ShouldEqual, 3)
So(ev.DataOps[0].where.String(), ShouldEqual, "meta.template1.baz")
So(ev.DataOps[0].src, ShouldEqual, "(( grab meta.template1.foo ))")
So(ev.DataOps[1].where.String(), ShouldEqual, "meta.template2.<<<")
So(ev.DataOps[1].src, ShouldEqual, "(( inject meta.template1 ))")
So(ev.DataOps[2].where.String(), ShouldEqual, "thing.<<<")
So(ev.DataOps[2].src, ShouldEqual, "(( inject meta.template2 ))")
})
})
Convey("Patching", func() {
valueIs := func(ev *Evaluator, path string, expect string) {
c, err := ParseCursor(path)
So(err, ShouldBeNil)
v, err := c.ResolveString(ev.Tree)
So(err, ShouldBeNil)
So(v, ShouldEqual, expect)
}
notPresent := func(ev *Evaluator, path string) {
c, err := ParseCursor(path)
So(err, ShouldBeNil)
_, err = c.ResolveString(ev.Tree)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "could not be found")
}
Convey("can handle simple map-based Replace actions", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
domain: sandbox.example.com
web: (( grab meta.domain ))
urls:
home: (( concat "http://www." meta.web ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "meta.web", "sandbox.example.com")
valueIs(ev, "urls.home", "http://www.sandbox.example.com")
})
Convey("can handle Replacement actions where the new value is a list", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
things:
- one
- two
grocery:
list: (( grab meta.things ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "grocery.list.0", "one")
valueIs(ev, "grocery.list.1", "two")
})
Convey("can handle Replacement actions where the call site is a list", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
first: 2nd
second: 1st
sorted:
list:
- (( grab meta.second ))
- (( grab meta.first ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "sorted.list.0", "1st")
valueIs(ev, "sorted.list.1", "2nd")
})
Convey("can handle Replacement actions where the call site is inside of a list", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
prod: production
sandbox: sb322
boxen:
- name: www
env: (( grab meta.prod ))
- name: wwwtest
env: (( grab meta.sandbox ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "boxen.www.env", "production")
valueIs(ev, "boxen.wwwtest.env", "sb322")
})
Convey("can handle simple Inject actions", func() {
ev := &Evaluator{
Tree: YAML(
`templates:
www:
HA: enabled
DR: disabled
host:
web1:
type: www
<<<: (( inject templates.www ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "host.web1.HA", "enabled")
valueIs(ev, "host.web1.DR", "disabled")
valueIs(ev, "host.web1.type", "www")
notPresent(ev, "host.web1.<<<")
})
Convey("can handle Inject actions where call site is in a list", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
jobs:
api:
template: api
worker:
template: worker
db:
template: database
jobs:
- name: api_z1
<<<: (( inject meta.jobs.api ))
- name: api_z2
<<<: (( inject meta.jobs.api ))
- name: worker_z3
<<<: (( inject meta.jobs.worker ))
- name: db_z3
<<<: (( inject meta.jobs.db ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "jobs.api_z1.template", "api")
valueIs(ev, "jobs.api_z2.template", "api")
valueIs(ev, "jobs.db_z3.template", "database")
valueIs(ev, "jobs.worker_z3.template", "worker")
})
Convey("preserves call-site keys on conflict in an Inject scenario", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
template:
foo: FOO
bar: BAR
example:
<<<: (( inject meta.template ))
foo: foooo
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "example.foo", "foooo")
valueIs(ev, "example.bar", "BAR")
})
Convey("merges sub-trees common to inject site and injected values", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
template:
properties:
foo: bar
baz: NOT-OVERRIDDEN
thing:
<<<: (( inject meta.template ))
properties:
bar: baz
baz: overridden
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "thing.properties.bar", "baz")
valueIs(ev, "thing.properties.baz", "overridden")
valueIs(ev, "thing.properties.foo", "bar")
})
Convey("uses deep-copy semantics to handle overrides correctly on template re-use", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
template:
properties:
key: DEFAULT
sub:
key: DEFAULT
foo:
<<<: (( inject meta.template ))
properties:
key: FOO
sub:
key: FOO
bar:
<<<: (( inject meta.template ))
properties:
key: BAR
sub:
key: BAR
boz:
<<<: (( inject meta.template ))
properties:
key: BOZ
sub:
key: BOZ
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "foo.properties.key", "FOO")
valueIs(ev, "foo.properties.sub.key", "FOO")
valueIs(ev, "bar.properties.key", "BAR")
valueIs(ev, "bar.properties.sub.key", "BAR")
valueIs(ev, "boz.properties.key", "BOZ")
valueIs(ev, "boz.properties.sub.key", "BOZ")
})
Convey("uses deep-copy semantics for re-use of injected templates with embedded lists", func() {
ev := &Evaluator{
Tree: YAML(
`meta:
template:
properties:
key: DEFAULT
list:
- key: DEFAULT
foo:
<<<: (( inject meta.template ))
properties:
key: FOO
list:
- key: FOO
bar:
<<<: (( inject meta.template ))
properties:
key: BAR
list:
- key: BAR
boz:
<<<: (( inject meta.template ))
properties:
key: BOZ
list:
- key: BOZ
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "foo.properties.key", "FOO")
valueIs(ev, "foo.properties.list[0].key", "FOO")
valueIs(ev, "bar.properties.key", "BAR")
valueIs(ev, "bar.properties.list[0].key", "BAR")
valueIs(ev, "boz.properties.key", "BOZ")
valueIs(ev, "boz.properties.list[0].key", "BOZ")
})
Convey("handles static_ips() call and a subsequent grab", func() {
ev := &Evaluator{
Tree: YAML(
`jobs:
- name: api_z1
instances: 1
networks:
- name: net1
static_ips: (( static_ips(0, 1, 2) ))
networks:
- name: net1
subnets:
- static: [192.168.1.2 - 192.168.1.30]
properties:
api_servers: (( grab jobs.api_z1.networks.net1.static_ips ))
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldBeNil)
valueIs(ev, "jobs.api_z1.networks.net1.static_ips.0", "192.168.1.2")
valueIs(ev, "properties.api_servers.0", "192.168.1.2")
})
Convey("handles allocation conflicts of static IP addresses", func() {
ev := &Evaluator{
Tree: YAML(
`jobs:
- name: api_z1
instances: 1
networks:
- name: net1
static_ips: (( static_ips(0, 1, 2) ))
- name: api_z2
instances: 1
networks:
- name: net1
static_ips: (( static_ips(0, 1, 2) ))
networks:
- name: net1
subnets:
- static: [192.168.1.2 - 192.168.1.30]
`),
}
err := ev.DataFlow()
So(err, ShouldBeNil)
err = ev.Patch()
So(err, ShouldNotBeNil)
})
})
})
}
func TestEvaluator(t *testing.T) {
YAML := func(s string) map[interface{}]interface{} {
y, err := simpleyaml.NewYaml([]byte(s))
So(err, ShouldBeNil)
data, err := y.Map()
So(err, ShouldBeNil)
return data
}
ToYAML := func(tree map[interface{}]interface{}) string {
y, err := yaml.Marshal(tree)
So(err, ShouldBeNil)
return string(y)
}
ReYAML := func(s string) string {
return ToYAML(YAML(s))
}
RunPhaseTests := func(phase OperatorPhase, src string) {
var test, input, dataflow, output string
var current *string
testPat := regexp.MustCompile(`^##+\s+(.*)\s*$`)
convey := func() {
if test != "" {
Convey(test, func() {
ev := &Evaluator{Tree: YAML(input)}
ops, err := ev.DataFlow(phase)
So(err, ShouldBeNil)
// map data flow ops into 'dataflow:' YAML list
var flow []map[string]string
for _, op := range ops {
flow = append(flow, map[string]string{op.where.String(): op.src})
}
So(ToYAML(map[interface{}]interface{}{"dataflow": flow}),
ShouldEqual, ReYAML(dataflow))
err = ev.RunPhase(phase)
So(err, ShouldBeNil)
So(ToYAML(ev.Tree), ShouldEqual, ReYAML(output))
})
}
}
s := bufio.NewScanner(strings.NewReader(src))
for s.Scan() {
if testPat.MatchString(s.Text()) {
m := testPat.FindStringSubmatch(s.Text())
convey()
test, input, dataflow, output = m[1], "", "", ""
continue
}
if s.Text() == "---" {
if input == "" {
current = &input
} else if dataflow == "" {
current = &dataflow
} else {
current = &output
}
continue
}
if current != nil {
*current = *current + s.Text() + "\n"
}
}
convey()
}
/*
## ## ######## ######## ###### ########
### ### ## ## ## ## ## ##
#### #### ## ## ## ## ##
## ### ## ###### ######## ## #### ######
## ## ## ## ## ## ## ##
## ## ## ## ## ## ## ##
## ## ######## ## ## ###### ########
*/
Convey("Merge Phase", t, func() {
RunPhaseTests(MergePhase, `
################################################## can handle simplest case
---
templates:
www:
HA: enabled
DR: disabled
host:
web1:
type: www
<<<: (( inject templates.www ))
---
dataflow:
- host.web1.<<<: (( inject templates.www ))
---
templates:
www:
HA: enabled
DR: disabled
host:
web1:
type: www
HA: enabled
DR: disabled
################################################ ignores EvalPhase operators
---
meta:
template:
check: (( param "stuff" ))
baz: (( grab meta.template.foo ))
str: (( concat "foo" meta.template.baz ))
foo: bar
thing:
<<<: (( inject meta.template ))
---
dataflow:
- thing.<<<: (( inject meta.template ))
---
meta:
template:
check: (( param "stuff" ))
baz: (( grab meta.template.foo ))
str: (( concat "foo" meta.template.baz ))
foo: bar
thing:
check: (( param "stuff" ))
baz: (( grab meta.template.foo ))
str: (( concat "foo" meta.template.baz ))
foo: bar
############################################ handles nested (( inject ... )) calls
---
meta:
template1:
foo: bar
baz: (( grab meta.template1.foo ))
template2:
<<<: (( inject meta.template1 ))
xyzzy: nothing happens
thing:
<<<: (( inject meta.template2 ))
---
dataflow:
- meta.template2.<<<: (( inject meta.template1 ))
- thing.<<<: (( inject meta.template2 ))
---
meta:
template1:
foo: bar
baz: (( grab meta.template1.foo ))
template2:
foo: bar
baz: (( grab meta.template1.foo ))
xyzzy: nothing happens
thing:
foo: bar
baz: (( grab meta.template1.foo ))
xyzzy: nothing happens
############################################ handles nested (( inject ... )) through array aliasing
---
a:
foo: bar
jobs:
- name: b
<<<: (( inject a ))
boz: baz
c:
<<<: (( inject jobs.b ))
xy: zzy
---
dataflow:
- jobs.b.<<<: (( inject a ))
- c.<<<: (( inject jobs.b ))
---
a:
foo: bar
jobs:
- name: b
foo: bar
boz: baz
c:
name: b
foo: bar
boz: baz
xy: zzy
######################################################### handles Inject into a list
---
meta:
jobs:
api:
template: api
worker:
template: worker
db:
template: database
jobs:
- name: api_z1
<<<: (( inject meta.jobs.api ))
- name: api_z2
<<<: (( inject meta.jobs.api ))
- name: worker_z3
<<<: (( inject meta.jobs.worker ))
- name: db_z3
<<<: (( inject meta.jobs.db ))
---
dataflow:
- jobs.api_z1.<<<: (( inject meta.jobs.api ))
- jobs.api_z2.<<<: (( inject meta.jobs.api ))
- jobs.worker_z3.<<<: (( inject meta.jobs.worker ))
- jobs.db_z3.<<<: (( inject meta.jobs.db ))
---
meta:
jobs:
api:
template: api
worker:
template: worker
db:
template: database
jobs:
- name: api_z1
template: api
- name: api_z2
template: api
- name: worker_z3
template: worker
- name: db_z3
template: database
################################# preserves call-site keys on conflict in an Inject scenario
---
meta:
template:
foo: FOO
bar: BAR
example:
<<<: (( inject meta.template ))
foo: foooo
---
dataflow:
- example.<<<: (( inject meta.template ))
---
meta:
template:
foo: FOO
bar: BAR
example:
foo: foooo
bar: BAR
############################# merges sub-tress common to inject sites and injected values
---
meta:
template:
properties:
foo: bar
baz: NOT-OVERRIDDEN
thing:
<<<: (( inject meta.template ))
properties:
bar: baz
baz: overridden
---
dataflow:
- thing.<<<: (( inject meta.template ))
---
meta:
template:
properties:
foo: bar
baz: NOT-OVERRIDDEN
thing:
properties:
foo: bar
bar: baz
baz: overridden
################# merges name-indexed sub-arrays properly between call-site and inject site
---
meta:
api_node:
templates:
- name: my_job
release: my_release
- name: my_other_job
release: my_other_release
properties:
foo: bar
jobs:
api_node:
.: (( inject meta.api_node ))
properties:
this: that
templates:
- name: my_superspecial_job
release: my_superspecial_release
---
dataflow:
- jobs.api_node..: (( inject meta.api_node ))
---
meta:
api_node:
templates:
- name: my_job
release: my_release
- name: my_other_job
release: my_other_release
properties:
foo: bar
jobs:
api_node:
properties:
foo: bar
this: that
templates:
- name: my_job
release: my_release
- name: my_other_job
release: my_other_release
- name: my_superspecial_job
release: my_superspecial_release
################# uses deep-copy semantics to handle overrides correctly on template re-use
---
meta:
template:
properties:
key: DEFAULT
sub:
key: DEFAULT
foo:
<<<: (( inject meta.template ))
properties:
key: FOO
sub:
key: FOO
bar:
<<<: (( inject meta.template ))
properties:
key: BAR
sub:
key: BAR
boz:
<<<: (( inject meta.template ))
properties:
key: BOZ
sub:
key: BOZ
---
dataflow:
- bar.<<<: (( inject meta.template ))
- boz.<<<: (( inject meta.template ))
- foo.<<<: (( inject meta.template ))
---
meta:
template:
properties:
key: DEFAULT
sub:
key: DEFAULT
foo:
properties:
key: FOO
sub:
key: FOO
bar:
properties:
key: BAR
sub:
key: BAR
boz:
properties:
key: BOZ
sub:
key: BOZ
######################################################### appends to injected arrays
---
meta:
job:
templates:
- first
- second
foo:
<<<: (( inject meta.job ))
templates:
- third
---
dataflow:
- foo.<<<: (( inject meta.job ))
---
meta:
job:
templates:
- first
- second
foo:
templates:
- first
- second
- third
`)
})
Convey("Merge Phase Error Detection", t, func() {
Convey("detects direct (a -> b -> a) cycles in data flow graph", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
bar:
<<<: (( inject meta.foo ))
foo:
<<<: (( inject meta.bar ))
`),
}
_, err := ev.DataFlow(MergePhase)
So(err, ShouldNotBeNil)
})
})
/*
######## ## ## ### ##
## ## ## ## ## ##
## ## ## ## ## ##
###### ## ## ## ## ##
## ## ## ######### ##
## ## ## ## ## ##
######## ### ## ## ########
*/
Convey("Eval Phase", t, func() {
RunPhaseTests(EvalPhase, `
############################################################# handles simple expressions
---
foo: (( concat "foo" ":" "bar" ))
---
dataflow:
- foo: (( concat "foo" ":" "bar" ))
---
foo: foo:bar
#################################################### handles simple reference expressions
---
meta:
domain: foo.bar
domain: (( grab meta.domain ))
---
dataflow:
- domain: (( grab meta.domain ))
---
meta:
domain: foo.bar
domain: foo.bar
######################################### handles simple reference-or-literal expressions
---
meta:
env: prod
domain: (( grab meta.domain || "default-domain" ))
env: (( grab meta.env || "sandbox" ))
instances: (( grab meta.size || 42 ))
nice: (( grab meta.nice || -5 ))
pi: (( grab math.CONSTANTS.pi || 3.14159 ))
delta: (( grab meta.delta || .001 ))
secure: (( grab meta.secure || true ))
online: (( grab meta.online || false ))
---
dataflow:
- delta: (( grab meta.delta || .001 ))
- domain: (( grab meta.domain || "default-domain" ))
- env: (( grab meta.env || "sandbox" ))
- instances: (( grab meta.size || 42 ))
- nice: (( grab meta.nice || -5 ))
- online: (( grab meta.online || false ))
- pi: (( grab math.CONSTANTS.pi || 3.14159 ))
- secure: (( grab meta.secure || true ))
---
meta:
env: prod
domain: default-domain
env: prod
instances: 42
nice: -5
pi: 3.14159
delta: 0.001
secure: true
online: false
##################################### handles true, TRUE, and True as boolean keywords
---
TrUe: sure
things:
- (( grab meta.enoent || true ))
- (( grab meta.enoent || TRUE ))
- (( grab meta.enoent || True ))
- (( grab meta.enoent || TrUe ))
---
dataflow:
- things.0: (( grab meta.enoent || true ))
- things.1: (( grab meta.enoent || TRUE ))
- things.2: (( grab meta.enoent || True ))
- things.3: (( grab meta.enoent || TrUe ))
---
TrUe: sure
things:
- true
- true
- true
- sure
##################################### handles false, FALSE, and False as boolean keywords
---
FaLSe: why not?
things:
- (( grab meta.enoent || false ))
- (( grab meta.enoent || FALSE ))
- (( grab meta.enoent || False ))
- (( grab meta.enoent || FaLSe ))
---
dataflow:
- things.0: (( grab meta.enoent || false ))
- things.1: (( grab meta.enoent || FALSE ))
- things.2: (( grab meta.enoent || False ))
- things.3: (( grab meta.enoent || FaLSe ))
---
FaLSe: why not?
things:
- false
- false
- false
- why not?
###################### handles ~, nil, Nil, NIL, null, Null, and NULL as the nil keyword
---
NuLL: 4 (haha ruby joke)
things:
- (( grab meta.enoent || ~ ))
- (( grab meta.enoent || nil ))
- (( grab meta.enoent || Nil ))
- (( grab meta.enoent || NIL ))
- (( grab meta.enoent || null ))
- (( grab meta.enoent || Null ))
- (( grab meta.enoent || NULL ))
- (( grab meta.enoent || NuLL ))
---
dataflow:
- things.0: (( grab meta.enoent || ~ ))
- things.1: (( grab meta.enoent || nil ))
- things.2: (( grab meta.enoent || Nil ))
- things.3: (( grab meta.enoent || NIL ))
- things.4: (( grab meta.enoent || null ))
- things.5: (( grab meta.enoent || Null ))
- things.6: (( grab meta.enoent || NULL ))
- things.7: (( grab meta.enoent || NuLL ))
---
NuLL: 4 (haha ruby joke)
things:
- null
- null
- null
- null
- null
- null
- null
- 4 (haha ruby joke)
######################################### handles simple reference-or-nil expressions
---
domain: (( grab meta.domain || nil ))
env: (( grab meta.env || ~ ))
site: (( grab meta.site || null ))
---
dataflow:
- domain: (( grab meta.domain || nil ))
- env: (( grab meta.env || ~ ))
- site: (( grab meta.site || null ))
---
domain: ~
env: ~
site: ~
################################## stops at the first concrete (possibly false) expression
---
meta:
other: FAIL
#
# should stop here ----------. (because it's resolvable, even if it
# | evaluates to a traditionally non-true value)
# v
foo: (( grab meta.enoent || false || meta.other || "failed" ))
---
dataflow:
- foo: (( grab meta.enoent || false || meta.other || "failed" ))
---
meta:
other: FAIL
foo: false
################################## stops at the first concrete (possibly 0) expression
---
meta:
other: FAIL
#
# should stop here ----------. (because it's resolvable, even if it
# | evaluates to a traditionally non-true value)
# v
foo: (( grab meta.enoent || 0 || meta.other || "failed" ))
---
dataflow:
- foo: (( grab meta.enoent || 0 || meta.other || "failed" ))
---
meta:
other: FAIL
foo: 0
################################## stops at the first concrete (possibly nil) expression
---
meta:
other: FAIL
#
# should stop here ----------. (because it's resolvable, even if it
# | evaluates to a traditionally non-true value)
# v
foo: (( grab meta.enoent || nil || meta.other || "failed" ))
---
dataflow:
- foo: (( grab meta.enoent || nil || meta.other || "failed" ))
---
meta:
other: FAIL
foo: ~
############################################### handles concrete expression in the middle
---
meta:
second: SECOND
foo: (( grab meta.first || meta.second || "unspecified" ))
---
dataflow:
- foo: (( grab meta.first || meta.second || "unspecified" ))
---
meta:
second: SECOND
foo: SECOND
################################# skips short-circuited alternates in Data Flow analysis
---
meta:
foo: FOO
bar: (( grab meta.foo ))
boz: (( grab meta.foo ))
foo: (( grab meta.bar || "foo?" || meta.boz ))
# NOTE: meta.boz in $.foo is exempt from DFA, because the "foo?" literal
# will *always* stop evaluation of the expression
bar: (( grab meta.xyzzy || "bar?" || meta.boz ))
# NOTE: same with $.bar; meta.boz is not in play
---
dataflow:
- bar: (( grab meta.xyzzy || "bar?" || meta.boz ))
- meta.bar: (( grab meta.foo ))
- meta.boz: (( grab meta.foo ))
- foo: (( grab meta.bar || "foo?" || meta.boz ))
---
meta:
foo: FOO
bar: FOO
boz: FOO
foo: FOO
bar: bar?
##################################### handles Data Flow dependencies for all expressions
---
meta:
domain: example.com
web: (( concat "www.", meta.domain || "sandbox.example.com" ))
api:
endpoint: (( grab meta.web || meta.domain || ~ ))
---
dataflow:
- meta.web: (( concat "www.", meta.domain || "sandbox.example.com" ))
- api.endpoint: (( grab meta.web || meta.domain || ~ ))
---
meta:
domain: example.com
web: www.example.com
api:
endpoint: www.example.com
############################### handles indirect addressing of lists-of-maps in Data Flow
---
a: (( grab b.squad.value ))
b:
- name: squad
value: (( grab c.value ))
c:
value: VALUE
d: (( grab b.squad.value ))
e: (( grab c.value ))
---
dataflow:
- b.squad.value: (( grab c.value ))
- e: (( grab c.value ))
- a: (( grab b.squad.value ))
- d: (( grab b.squad.value ))
---
a: VALUE
b:
- name: squad
value: VALUE
c:
value: VALUE
d: VALUE
e: VALUE
################################# handles multiple space-separated or-operands properly
---
meta:
foo: FOO
bar: BAR
foobar: (( concat meta.foo || "foo" meta.bar || "bar" ))
fooboz: (( concat meta.foo || "foo" meta.boz || "boz" ))
---
dataflow:
- foobar: (( concat meta.foo || "foo" meta.bar || "bar" ))
- fooboz: (( concat meta.foo || "foo" meta.boz || "boz" ))
---
meta:
foo: FOO
bar: BAR
foobar: FOOBAR
fooboz: FOOboz
################################# handles multiple comma-seaprated or-operands properly
---
meta:
foo: FOO
bar: BAR
foobar: (( concat meta.foo || "foo", meta.bar || "bar" ))
fooboz: (( concat meta.foo || "foo", meta.boz || "boz" ))
---
dataflow:
- foobar: (( concat meta.foo || "foo", meta.bar || "bar" ))
- fooboz: (( concat meta.foo || "foo", meta.boz || "boz" ))
---
meta:
foo: FOO
bar: BAR
foobar: FOOBAR
fooboz: FOOboz
############################################ can handle simple map-based Replace actions
---
meta:
domain: sandbox.example.com
web: (( grab meta.domain ))
urls:
home: (( concat "http://www." meta.web ))
---
dataflow:
- meta.web: (( grab meta.domain ))
- urls.home: (( concat "http://www." meta.web ))
---
meta:
domain: sandbox.example.com
web: sandbox.example.com
urls:
home: http://www.sandbox.example.com
############################ can handle Replacement actions where the new value is a list
---
meta:
things:
- one
- two
grocery:
list: (( grab meta.things ))
---
dataflow:
- grocery.list: (( grab meta.things ))
---
meta:
things:
- one
- two
grocery:
list:
- one
- two
############################ can handle Replacement actions where the call site is a list
---
meta:
first: 2nd
second: 1st
sorted:
list:
- (( grab meta.second ))
- (( grab meta.first ))
---
dataflow:
- sorted.list.0: (( grab meta.second ))
- sorted.list.1: (( grab meta.first ))
---
meta:
first: 2nd
second: 1st
sorted:
list:
- 1st
- 2nd
################### can handle Replacement actions where the call site is inside of a list
---
meta:
prod: production
sandbox: sb322
boxen:
- name: www
env: (( grab meta.prod ))
- name: wwwtest
env: (( grab meta.sandbox ))
---
dataflow:
- boxen.www.env: (( grab meta.prod ))
- boxen.wwwtest.env: (( grab meta.sandbox ))
---
meta:
prod: production
sandbox: sb322
boxen:
- name: www
env: production
- name: wwwtest
env: sb322
######################################## handles sequentially dependent (( grab ... )) calls
---
meta:
foo: FOO
bar: (( grab meta.foo ))
baz: (( grab meta.bar ))
quux: (( grab meta.baz ))
boz: (( grab meta.quux ))
---
dataflow:
- meta.bar: (( grab meta.foo ))
- meta.baz: (( grab meta.bar ))
- meta.quux: (( grab meta.baz ))
- meta.boz: (( grab meta.quux ))
---
meta:
foo: FOO
bar: FOO
baz: FOO
quux: FOO
boz: FOO
################################ handles sequentially dependent calls, regardless of operator
---
meta:
foo: FOO
bar: (( grab meta.foo ))
baz: (( grab meta.bar ))
quux: (( concat "literal:" meta.baz ))
boz: (( grab meta.quux ))
---
dataflow:
- meta.bar: (( grab meta.foo ))
- meta.baz: (( grab meta.bar ))
- meta.quux: (( concat "literal:" meta.baz ))
- meta.boz: (( grab meta.quux ))
---
meta:
foo: FOO
bar: FOO
baz: FOO
quux: literal:FOO
boz: literal:FOO
############################################## handles operators dependencies inside of lists
---
meta:
- FOO
- (( grab meta.0 ))
- (( grab meta.1 ))
- (( concat "literal:" meta.2 ))
- (( grab meta.3 ))
---
dataflow:
- meta.1: (( grab meta.0 ))
- meta.2: (( grab meta.1 ))
- meta.3: (( concat "literal:" meta.2 ))
- meta.4: (( grab meta.3 ))
---
meta:
- FOO
- FOO
- FOO
- literal:FOO
- literal:FOO
################################################# handles deep copy in data flow graph
---
meta:
first: [ a, b, c ]
second: (( grab meta.first ))
third: (( grab meta.second ))
gotcha: (( grab meta.third.0 ))
---
dataflow:
- meta.second: (( grab meta.first ))
- meta.third: (( grab meta.second ))
- meta.gotcha: (( grab meta.third.0 ))
# (the key point here is that meta.third.0 doesn't exist in the tree until we start
# evaluating, but we still need to get the order correct; we should have a dep on
# meta.third, and hope that run-time resolution puts an array there for us to find...)
---
meta:
first: [ a, b, c ]
second: [ a, b, c ]
third: [ a, b, c ]
gotcha: a
############################### handles implicit static_ip dependency on networks.*.name
---
meta:
net: real
environment: prod
size: 4
networks:
- name: (( concat meta.net "-prod" ))
subnets:
- static: [ 10.0.0.5 - 10.0.0.100 ]
jobs:
- name: job1
instances: 4
networks:
- name: real-prod # must be literal to avoid non-determinism
static_ips: (( static_ips 1 2 3 4 ))
---
dataflow:
- networks.0.name: (( concat meta.net "-prod" ))
- jobs.job1.networks.real-prod.static_ips: (( static_ips 1 2 3 4 ))
---
meta:
net: real
environment: prod
size: 4
networks:
- name: real-prod
subnets:
- static: [ 10.0.0.5 - 10.0.0.100 ]
jobs:
- name: job1
instances: 4
networks:
- name: real-prod
static_ips:
# skip IP[0]!
- 10.0.0.6
- 10.0.0.7
- 10.0.0.8
- 10.0.0.9
#################### handles implicit static_ip dependency on jobs.*.networks.*.name
---
meta:
environment: prod
size: 4
networks:
- name: sandbox
subnets:
- static: [ 10.2.0.5 - 10.2.0.10 ]
- name: prod
subnets:
- static: [ 10.0.0.5 - 10.0.0.100 ]
jobs:
- name: job1
instances: 4
networks:
- name: (( grab meta.environment ))
static_ips: (( static_ips 1 2 3 4 ))
---
dataflow:
- jobs.job1.networks.0.name: (( grab meta.environment ))
- jobs.job1.networks.0.static_ips: (( static_ips 1 2 3 4 ))
---
meta:
environment: prod
size: 4
networks:
- name: sandbox
subnets:
- static: [ 10.2.0.5 - 10.2.0.10 ]
- name: prod
subnets:
- static: [ 10.0.0.5 - 10.0.0.100 ]
jobs:
- name: job1
instances: 4
networks:
- name: prod
static_ips:
# skip IP[0]!
- 10.0.0.6
- 10.0.0.7
- 10.0.0.8
- 10.0.0.9
########################## handles (( static_ips ... )) call and a subsequent (( grab ... ))
---
jobs:
- name: api_z1
instances: 1
networks:
- name: net1
static_ips: (( static_ips(0, 1, 2) ))
networks:
- name: net1
subnets:
- static: [192.168.1.2 - 192.168.1.30]
properties:
api_servers: (( grab jobs.api_z1.networks.net1.static_ips ))
---
dataflow:
- jobs.api_z1.networks.net1.static_ips: (( static_ips(0, 1, 2) ))
- properties.api_servers: (( grab jobs.api_z1.networks.net1.static_ips ))
---
jobs:
- name: api_z1
instances: 1
networks:
- name: net1
static_ips:
- 192.168.1.2
networks:
- name: net1
subnets:
- static: [192.168.1.2 - 192.168.1.30]
properties:
api_servers:
- 192.168.1.2
############################################# handles static_ip across multiple static ranges
---
jobs:
- name: api_z1
instances: 4
networks:
- name: net1
static_ips: (( static_ips 0 1 2 3 ))
networks:
- name: net1
subnets:
- static:
- 10.0.0.2 - 10.0.0.3 # 2 ips
- 10.0.0.90 # +1
- 10.0.0.100 - 10.0.0.103 # +4
---
dataflow:
- jobs.api_z1.networks.net1.static_ips: (( static_ips 0 1 2 3 ))
---
jobs:
- name: api_z1
instances: 4
networks:
- name: net1
static_ips:
- 10.0.0.2
- 10.0.0.3
- 10.0.0.90
- 10.0.0.100
networks:
- name: net1
subnets:
- static:
- 10.0.0.2 - 10.0.0.3 # 2 ips
- 10.0.0.90 # +1
- 10.0.0.100 - 10.0.0.103 # +4
######################################### Basic test of (( cartesian-product .... )) operator
---
meta:
hosts:
- a.example.com
- b.example.com
- c.example.com
port: 8088
hosts: (( cartesian-product meta.hosts ":" meta.port ))
---
dataflow:
- hosts: (( cartesian-product meta.hosts ":" meta.port ))
---
meta:
hosts:
- a.example.com
- b.example.com
- c.example.com
port: 8088
hosts:
- a.example.com:8088
- b.example.com:8088
- c.example.com:8088
#################################### (( cartesian-product .... )) of an empty component array
---
meta:
hosts: []
port: 8088
hosts: (( cartesian-product meta.hosts ":" meta.port ))
ports: (( cartesian-product meta.port ":" meta.hosts ))
---
dataflow:
- hosts: (( cartesian-product meta.hosts ":" meta.port ))
- ports: (( cartesian-product meta.port ":" meta.hosts ))
---
meta:
hosts: []
port: 8088
hosts: []
ports: []
########################################################## 1-ary (( cartesian-product .... ))
---
meta:
- [a, b, c]
all: (( cartesian-product meta[0] ))
---
dataflow:
- all: (( cartesian-product meta[0] ))
---
meta:
- [a, b, c]
all: [a, b, c]
########################################################## n-ary (( cartesian-product .... ))
---
meta:
- [a, b, c]
- [1, 2, 3]
- [x, 'y', z]
all: (( cartesian-product meta[0] meta[1] meta[2] ))
---
dataflow:
- all: (( cartesian-product meta[0] meta[1] meta[2] ))
---
meta:
- [a, b, c]
- [1, 2, 3]
- [x, 'y', z]
all:
- a1x
- a1y
- a1z
- a2x
- a2y
- a2z
- a3x
- a3y
- a3z
- b1x
- b1y
- b1z
- b2x
- b2y
- b2z
- b3x
- b3y
- b3z
- c1x
- c1y
- c1z
- c2x
- c2y
- c2z
- c3x
- c3y
- c3z
########################################### (( cartesian-product ... )) with grab'd arguments
---
meta:
first: [a, b]
second: [1, 2]
third: (( grab meta.second ))
all: (( cartesian-product meta.first "," meta.third ))
---
dataflow:
- meta.third: (( grab meta.second ))
- all: (( cartesian-product meta.first "," meta.third ))
---
meta:
first: [a, b]
second: [1, 2]
third: [1, 2]
all:
- a,1
- a,2
- b,1
- b,2
################################### (( cartesian-product ... )) with grab'd sublist arguments
---
meta:
first: [a, b]
second:
- x
- (( grab meta.first[0] ))
all: (( cartesian-product meta.first "," meta.second ))
---
dataflow:
- meta.second.1: (( grab meta.first[0] ))
- all: (( cartesian-product meta.first "," meta.second ))
---
meta:
first: [a, b]
second: [x, a]
all:
- a,x
- a,a
- b,x
- b,a
########################################### can extract keys via the (( keys ... )) operator
---
meta:
config:
first: this is the first value
second:
value: the second
keys: (( keys meta.config ))
---
dataflow:
- keys: (( keys meta.config ))
---
meta:
config:
first: this is the first value
second:
value: the second
keys:
- first
- second
########################################### can extract keys from multiple maps
---
meta:
config:
first: this is the first value
second:
value: the second
alt:
third: third config
keys: (( keys meta.config meta.alt ))
---
dataflow:
- keys: (( keys meta.config meta.alt ))
---
meta:
config:
first: this is the first value
second:
value: the second
alt:
third: third config
keys:
- first
- second
- third
#################################### (( join ... )) an array with (( grab ...))
---
greeting: hello
z:
- (( grab greeting ))
- world
output: (( join " " z ))
---
dataflow:
- z.0: (( grab greeting ))
- output: (( join " " z ))
---
greeting: hello
output: hello world
z:
- hello
- world
#################################### (( join ... )) an array with several (( grab ...))s
---
greeting: hello
greeting2: world
z:
- (( grab greeting ))
- (( grab greeting2 ))
output: (( join " " z ))
---
dataflow:
- z.0: (( grab greeting ))
- z.1: (( grab greeting2 ))
- output: (( join " " z ))
---
greeting: hello
greeting2: world
output: hello world
z:
- hello
- world
#################################### (( join ... )) a string reference with a grab
---
greeting: hello
z_one: (( grab greeting ))
z_two: world
output:
- (( join " " z_one z_two ))
---
dataflow:
- z_one: (( grab greeting ))
- output.0: (( join " " z_one z_two ))
---
greeting: hello
output:
- hello world
z_one: hello
z_two: world
################################################ basic escape sequence handling
---
test: ""
cr: (( concat test "a\rb" ))
nl: (( concat test "a\nb" ))
tab: (( concat test "a\tb" ))
back: (( concat test "a\\b" ))
dq: (( concat test "a\"b" ))
sq: (( concat test "a\'b" ))
---
dataflow:
- back: (( concat test "a\\b" ))
- cr: (( concat test "a\rb" ))
- dq: (( concat test "a\"b" ))
- nl: (( concat test "a\nb" ))
- sq: (( concat test "a\'b" ))
- tab: (( concat test "a\tb" ))
---
test: ""
cr: "a\rb"
nl: "a\nb"
tab: "a\tb"
back: a\b
dq: 'a"b'
sq: "a'b"
############################################# repeated escape sequence handling
---
compound: (( concat "Line1\nLine2\nLine3" "\n" "Line4\ttabbed\n" ))
---
dataflow:
- compound: (( concat "Line1\nLine2\nLine3" "\n" "Line4\ttabbed\n" ))
---
compound: |
Line1
Line2
Line3
Line4 tabbed
######################################## concat certs with newlines (escape seq)
---
cert: |-
-- BEGIN CERT --
unei3Eet2mahbou8
weiXi7choo7ufei8
--- END CERT ---
key: |-
-- BEGIN KEY ---
chaev0Gai3Baedul
noithaifu0ree0Ka
shoowuBaoti4chee
-- END KEY -----
combined: (( concat cert "\n" key "\n" ))
---
dataflow:
- combined: (( concat cert "\n" key "\n" ))
---
cert: |-
-- BEGIN CERT --
unei3Eet2mahbou8
weiXi7choo7ufei8
--- END CERT ---
key: |-
-- BEGIN KEY ---
chaev0Gai3Baedul
noithaifu0ree0Ka
shoowuBaoti4chee
-- END KEY -----
combined: |
-- BEGIN CERT --
unei3Eet2mahbou8
weiXi7choo7ufei8
--- END CERT ---
-- BEGIN KEY ---
chaev0Gai3Baedul
noithaifu0ree0Ka
shoowuBaoti4chee
-- END KEY -----
`)
})
Convey("Eval Phase Error Detection", t, func() {
Convey("detects direct (a -> b -> a) cycles in data flow graph", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
bar: (( grab meta.foo ))
foo: (( grab meta.bar ))
`),
}
_, err := ev.DataFlow(EvalPhase)
So(err, ShouldNotBeNil)
})
Convey("detects indirect (a -> b -> c -> a) cycles in data flow graph", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
foo: (( grab meta.bar ))
bar: (( grab meta.baz ))
baz: (( grab meta.foo ))
`),
}
_, err := ev.DataFlow(EvalPhase)
So(err, ShouldNotBeNil)
})
Convey("detects indirect cycles created through operand data flow", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
foo: (( grab meta.bar ))
bar: (( grab meta.baz ))
baz: (( grab meta.enoent || meta.foo ))
`),
}
_, err := ev.DataFlow(EvalPhase)
So(err, ShouldNotBeNil)
})
Convey("detects allocation conflicts of static IP addresses", func() {
ev := &Evaluator{
Tree: YAML(
`jobs:
- name: api_z1
instances: 1
networks:
- name: net1
static_ips: (( static_ips(0, 1, 2) ))
- name: api_z2
instances: 1
networks:
- name: net1
static_ips: (( static_ips(0, 1, 2) ))
networks:
- name: net1
subnets:
- static: [192.168.1.2 - 192.168.1.30]
`),
}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
})
Convey("detects unsatisfied (( param )) inside of a (( grab ... )) call", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
key: (( param "you must specify this" ))
value: (( grab meta.key ))
`),
}
err := ev.RunPhase(ParamPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "1 error(s) detected")
So(err.Error(), ShouldContainSubstring, "you must specify this")
err = ev.RunPhase(EvalPhase)
So(err, ShouldBeNil)
})
Convey("detects unsatisfied (( param )) inside of a (( concat ... )) call", func() {
ev := &Evaluator{
Tree: YAML(`
---
meta:
key: (( param "you must specify this" ))
value: (( concat "key=" meta.key ))
`),
}
err := ev.RunPhase(ParamPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "1 error(s) detected")
So(err.Error(), ShouldContainSubstring, "you must specify this")
err = ev.RunPhase(EvalPhase)
So(err, ShouldBeNil)
})
Convey("handles non-list (direct) args to (( cartesian-product ... ))", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
list: [a,b,c]
all: (( cartesian-product meta meta.list ))
`),
}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "cartesian-product operator only accepts arrays and string values")
})
Convey("treats list-of-lists args to (( cartesian-product ... )) as an error", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
list:
- [a,b,c]
- [d,e,f]
- [g]
all: (( cartesian-product meta.list meta.list ))
`),
}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "cartesian-product operator can only operate on lists of scalar values")
})
Convey("treats list-of-maps args to (( cartesian-product ... )) as an error", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
list:
- name: a
- name: b
- name: c
all: (( cartesian-product meta.list meta.list ))
`),
}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "cartesian-product operator can only operate on lists of scalar values")
})
Convey("(( cartesian-product ... )) requires an argument", func() {
ev := &Evaluator{
Tree: YAML(`
all: (( cartesian-product ))
`),
}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "no arguments specified to (( cartesian-product ... ))")
})
Convey("(( keys ... )) requires an argument", func() {
ev := &Evaluator{
Tree: YAML(`
keys: (( keys ))
`),
}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "no arguments specified to (( keys ... ))")
})
Convey("treats attempt to call (( keys ... )) on a literal as an error", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
test: is this a map?
keys: (( keys meta.test ))
`),
}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "$.keys: meta.test is not a map")
})
Convey("treats attempt to call (( keys ... )) on a list as an error", func() {
ev := &Evaluator{
Tree: YAML(`
meta:
test:
- but wait
- this is not
- a map...
keys: (( keys meta.test ))
`),
}
err := ev.RunPhase(EvalPhase)
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "$.keys: meta.test is not a map")
})
})
}