func (s *ServerTests) TestGroupFiltering(c *gocheck.C) {
g := make([]ec2.SecurityGroup, 4)
for i := range g {
resp, err := s.ec2.CreateSecurityGroup(ec2.SecurityGroup{Name: sessionName(fmt.Sprintf("testgroup%d", i)), Description: fmt.Sprintf("testdescription%d", i)})
c.Assert(err, gocheck.IsNil)
g[i] = resp.SecurityGroup
c.Logf("group %d: %v", i, g[i])
defer s.ec2.DeleteSecurityGroup(g[i])
}
perms := [][]ec2.IPPerm{
{{
Protocol: "tcp",
FromPort: 100,
ToPort: 200,
SourceIPs: []string{"1.2.3.4/32"},
}},
{{
Protocol: "tcp",
FromPort: 200,
ToPort: 300,
SourceGroups: []ec2.UserSecurityGroup{{Id: g[1].Id}},
}},
{{
Protocol: "udp",
FromPort: 200,
ToPort: 400,
SourceGroups: []ec2.UserSecurityGroup{{Id: g[1].Id}},
}},
}
for i, ps := range perms {
_, err := s.ec2.AuthorizeSecurityGroup(g[i], ps)
c.Assert(err, gocheck.IsNil)
}
groups := func(indices ...int) (gs []ec2.SecurityGroup) {
for _, index := range indices {
gs = append(gs, g[index])
}
return
}
type groupTest struct {
about string
groups []ec2.SecurityGroup // groupIds argument to SecurityGroups method.
filters []filterSpec // filters argument to SecurityGroups method.
results []ec2.SecurityGroup // set of expected result groups.
allowExtra bool // specified results may be incomplete.
err string // expected error.
}
filterCheck := func(name, val string, gs []ec2.SecurityGroup) groupTest {
return groupTest{
about: "filter check " + name,
filters: []filterSpec{{name, []string{val}}},
results: gs,
allowExtra: true,
}
}
tests := []groupTest{
{
about: "check that SecurityGroups returns all groups",
results: groups(0, 1, 2, 3),
allowExtra: true,
}, {
about: "check that specifying two group ids returns them",
groups: idsOnly(groups(0, 2)),
results: groups(0, 2),
}, {
about: "check that specifying names only works",
groups: namesOnly(groups(0, 2)),
results: groups(0, 2),
}, {
about: "check that specifying a non-existent group id gives an error",
groups: append(groups(0), ec2.SecurityGroup{Id: "sg-eeeeeeeee"}),
err: `.*\(InvalidGroup\.NotFound\)`,
}, {
about: "check that a filter allowed two groups returns both of them",
filters: []filterSpec{
{"group-id", []string{g[0].Id, g[2].Id}},
},
results: groups(0, 2),
},
{
about: "check that the previous filter works when specifying a list of ids",
groups: groups(1, 2),
filters: []filterSpec{
{"group-id", []string{g[0].Id, g[2].Id}},
},
results: groups(2),
}, {
about: "check that a filter allowing no groups returns none",
filters: []filterSpec{
{"group-id", []string{"sg-eeeeeeeee"}},
},
},
filterCheck("description", "testdescription1", groups(1)),
filterCheck("group-name", g[2].Name, groups(2)),
filterCheck("ip-permission.cidr", "1.2.3.4/32", groups(0)),
filterCheck("ip-permission.group-name", g[1].Name, groups(1, 2)),
filterCheck("ip-permission.protocol", "udp", groups(2)),
filterCheck("ip-permission.from-port", "200", groups(1, 2)),
filterCheck("ip-permission.to-port", "200", groups(0)),
// TODO owner-id
}
for i, t := range tests {
c.Logf("%d. %s", i, t.about)
var f *ec2.Filter
if t.filters != nil {
f = ec2.NewFilter()
for _, spec := range t.filters {
f.Add(spec.name, spec.values...)
}
}
resp, err := s.ec2.SecurityGroups(t.groups, f)
if t.err != "" {
c.Check(err, gocheck.ErrorMatches, t.err)
continue
}
c.Assert(err, gocheck.IsNil)
groups := make(map[string]*ec2.SecurityGroup)
for j := range resp.Groups {
group := &resp.Groups[j].SecurityGroup
c.Check(groups[group.Id], gocheck.IsNil, gocheck.Commentf("duplicate group id: %q", group.Id))
groups[group.Id] = group
}
// If extra groups may be returned, eliminate all groups that
// we did not create in this session apart from the default group.
if t.allowExtra {
namePat := regexp.MustCompile(sessionName("testgroup[0-9]"))
for id, g := range groups {
if !namePat.MatchString(g.Name) {
delete(groups, id)
}
}
}
c.Check(groups, gocheck.HasLen, len(t.results))
for j, g := range t.results {
rg := groups[g.Id]
c.Assert(rg, gocheck.NotNil, gocheck.Commentf("group %d (%v) not found; got %#v", j, g, groups))
c.Check(rg.Name, gocheck.Equals, g.Name, gocheck.Commentf("group %d (%v)", j, g))
}
}
}
func (s *ServerTests) TestInstanceFiltering(c *gocheck.C) {
groupResp, err := s.ec2.CreateSecurityGroup(ec2.SecurityGroup{Name: sessionName("testgroup1"), Description: "testgroup one description"})
c.Assert(err, gocheck.IsNil)
group1 := groupResp.SecurityGroup
defer s.ec2.DeleteSecurityGroup(group1)
groupResp, err = s.ec2.CreateSecurityGroup(ec2.SecurityGroup{Name: sessionName("testgroup2"), Description: "testgroup two description"})
c.Assert(err, gocheck.IsNil)
group2 := groupResp.SecurityGroup
defer s.ec2.DeleteSecurityGroup(group2)
insts := make([]*ec2.Instance, 3)
inst, err := s.ec2.RunInstances(&ec2.RunInstancesOptions{
MinCount: 2,
ImageId: imageId,
InstanceType: "t1.micro",
SecurityGroups: []ec2.SecurityGroup{group1},
})
c.Assert(err, gocheck.IsNil)
insts[0] = &inst.Instances[0]
insts[1] = &inst.Instances[1]
defer terminateInstances(c, s.ec2, insts)
imageId2 := "ami-e358958a" // Natty server, i386, EBS store
inst, err = s.ec2.RunInstances(&ec2.RunInstancesOptions{
ImageId: imageId2,
InstanceType: "t1.micro",
SecurityGroups: []ec2.SecurityGroup{group2},
})
c.Assert(err, gocheck.IsNil)
insts[2] = &inst.Instances[0]
ids := func(indices ...int) (instIds []string) {
for _, index := range indices {
instIds = append(instIds, insts[index].InstanceId)
}
return
}
tests := []struct {
about string
instanceIds []string // instanceIds argument to Instances method.
filters []filterSpec // filters argument to Instances method.
resultIds []string // set of instance ids of expected results.
allowExtra bool // resultIds may be incomplete.
err string // expected error.
}{
{
about: "check that Instances returns all instances",
resultIds: ids(0, 1, 2),
allowExtra: true,
}, {
about: "check that specifying two instance ids returns them",
instanceIds: ids(0, 2),
resultIds: ids(0, 2),
}, {
about: "check that specifying a non-existent instance id gives an error",
instanceIds: append(ids(0), "i-deadbeef"),
err: `.*\(InvalidInstanceID\.NotFound\)`,
}, {
about: "check that a filter allowed both instances returns both of them",
filters: []filterSpec{
{"instance-id", ids(0, 2)},
},
resultIds: ids(0, 2),
}, {
about: "check that a filter allowing only one instance returns it",
filters: []filterSpec{
{"instance-id", ids(1)},
},
resultIds: ids(1),
}, {
about: "check that a filter allowing no instances returns none",
filters: []filterSpec{
{"instance-id", []string{"i-deadbeef12345"}},
},
}, {
about: "check that filtering on group id works",
filters: []filterSpec{
{"group-id", []string{group1.Id}},
},
resultIds: ids(0, 1),
}, {
about: "check that filtering on group name works",
filters: []filterSpec{
{"group-name", []string{group1.Name}},
},
resultIds: ids(0, 1),
}, {
about: "check that filtering on image id works",
filters: []filterSpec{
{"image-id", []string{imageId}},
},
resultIds: ids(0, 1),
allowExtra: true,
}, {
about: "combination filters 1",
filters: []filterSpec{
{"image-id", []string{imageId, imageId2}},
{"group-name", []string{group1.Name}},
},
resultIds: ids(0, 1),
}, {
about: "combination filters 2",
filters: []filterSpec{
{"image-id", []string{imageId2}},
{"group-name", []string{group1.Name}},
},
},
}
for i, t := range tests {
c.Logf("%d. %s", i, t.about)
var f *ec2.Filter
if t.filters != nil {
f = ec2.NewFilter()
for _, spec := range t.filters {
f.Add(spec.name, spec.values...)
}
}
resp, err := s.ec2.DescribeInstances(t.instanceIds, f)
if t.err != "" {
c.Check(err, gocheck.ErrorMatches, t.err)
continue
}
c.Assert(err, gocheck.IsNil)
insts := make(map[string]*ec2.Instance)
for _, r := range resp.Reservations {
for j := range r.Instances {
inst := &r.Instances[j]
c.Check(insts[inst.InstanceId], gocheck.IsNil, gocheck.Commentf("duplicate instance id: %q", inst.InstanceId))
insts[inst.InstanceId] = inst
}
}
if !t.allowExtra {
c.Check(insts, gocheck.HasLen, len(t.resultIds), gocheck.Commentf("expected %d instances got %#v", len(t.resultIds), insts))
}
for j, id := range t.resultIds {
c.Check(insts[id], gocheck.NotNil, gocheck.Commentf("instance id %d (%q) not found; got %#v", j, id, insts))
}
}
}