func (suite) TestParseBinary(c *C) {
for i, test := range parseBinaryTests {
c.Logf("test 1: %d", i)
got, err := version.ParseBinary(test.v)
if test.err != "" {
c.Assert(err, ErrorMatches, test.err)
} else {
c.Assert(err, IsNil)
c.Assert(got, Equals, test.expect)
}
}
for i, test := range parseTests {
c.Logf("test 2: %d", i)
v := test.v + "-a-b"
got, err := version.ParseBinary(v)
expect := version.Binary{
Number: test.expect,
Series: "a",
Arch: "b",
}
if test.err != "" {
c.Assert(err, ErrorMatches, strings.Replace(test.err, "version", "binary version", 1))
} else {
c.Assert(err, IsNil)
c.Assert(got, Equals, expect)
c.Check(got.IsDev(), Equals, test.dev)
}
}
}
// listTools is like ListTools, but only returns the tools from
// a particular storage.
func listTools(store StorageReader, majorVersion int) ([]*state.Tools, error) {
dir := fmt.Sprintf("%s%d.", toolPrefix, majorVersion)
names, err := store.List(dir)
if err != nil {
return nil, err
}
var toolsList []*state.Tools
for _, name := range names {
if !strings.HasPrefix(name, toolPrefix) || !strings.HasSuffix(name, ".tgz") {
log.Printf("environs: unexpected tools file found %q", name)
continue
}
vers := name[len(toolPrefix) : len(name)-len(".tgz")]
var t state.Tools
t.Binary, err = version.ParseBinary(vers)
if err != nil {
log.Printf("environs: failed to parse %q: %v", vers, err)
continue
}
if t.Major != majorVersion {
log.Printf("environs: tool %q found in wrong directory %q", name, dir)
continue
}
t.URL, err = store.URL(name)
if err != nil {
log.Printf("environs: cannot get URL for %q: %v", name, err)
continue
}
toolsList = append(toolsList, &t)
}
return toolsList, nil
}
// ReadList returns a List of the tools in store with the given major version.
// If store contains no such tools, it returns ErrNoMatches.
func ReadList(storage URLLister, majorVersion int) (List, error) {
logger.Debugf("reading v%d.* tools", majorVersion)
names, err := storage.List(toolPrefix)
if err != nil {
return nil, err
}
var list List
var foundAnyTools bool
for _, name := range names {
if !strings.HasPrefix(name, toolPrefix) || !strings.HasSuffix(name, toolSuffix) {
continue
}
var t state.Tools
vers := name[len(toolPrefix) : len(name)-len(toolSuffix)]
if t.Binary, err = version.ParseBinary(vers); err != nil {
continue
}
foundAnyTools = true
if t.Major != majorVersion {
continue
}
logger.Debugf("found %s", vers)
if t.URL, err = storage.URL(name); err != nil {
return nil, err
}
list = append(list, &t)
}
if len(list) == 0 {
if foundAnyTools {
return nil, ErrNoMatches
}
return nil, ErrNoTools
}
return list, nil
}
// bundleTools bundles all the current juju tools in gzipped tar
// format to the given writer.
// If forceVersion is not nil, a FORCE-VERSION file is included in
// the tools bundle so it will lie about its current version number.
func bundleTools(w io.Writer, forceVersion *version.Number) (version.Binary, error) {
dir, err := ioutil.TempDir("", "juju-tools")
if err != nil {
return version.Binary{}, err
}
defer os.RemoveAll(dir)
cmds := [][]string{
{"go", "install", "launchpad.net/juju-core/cmd/jujud", "launchpad.net/juju-core/cmd/jujuc"},
{"strip", dir + "/jujud", dir + "/jujuc"},
}
env := setenv(os.Environ(), "GOBIN="+dir)
for _, args := range cmds {
cmd := exec.Command(args[0], args[1:]...)
cmd.Env = env
out, err := cmd.CombinedOutput()
if err != nil {
return version.Binary{}, fmt.Errorf("build command %q failed: %v; %s", args[0], err, out)
}
}
if forceVersion != nil {
if err := ioutil.WriteFile(filepath.Join(dir, "FORCE-VERSION"), []byte(forceVersion.String()), 0666); err != nil {
return version.Binary{}, err
}
}
cmd := exec.Command(filepath.Join(dir, "jujud"), "version")
out, err := cmd.CombinedOutput()
if err != nil {
return version.Binary{}, fmt.Errorf("cannot get version from %q: %v; %s", cmd.Args[0], err, out)
}
tvs := strings.TrimSpace(string(out))
tvers, err := version.ParseBinary(tvs)
if err != nil {
return version.Binary{}, fmt.Errorf("invalid version %q printed by jujud", tvs)
}
err = archive(w, dir)
if err != nil {
return version.Binary{}, err
}
return tvers, err
}
// bundleTools bundles all the current juju tools in gzipped tar
// format to the given writer.
// If forceVersion is not nil, a FORCE-VERSION file is included in
// the tools bundle so it will lie about its current version number.
func bundleTools(w io.Writer, forceVersion *version.Number) (version.Binary, error) {
dir, err := ioutil.TempDir("", "juju-tools")
if err != nil {
return version.Binary{}, err
}
defer os.RemoveAll(dir)
if err := copyExistingJujud(dir); err != nil {
logger.Debugf("copy existing failed: %v", err)
if err := buildJujud(dir); err != nil {
return version.Binary{}, err
}
}
if forceVersion != nil {
logger.Debugf("forcing version to %s", forceVersion)
if err := ioutil.WriteFile(filepath.Join(dir, "FORCE-VERSION"), []byte(forceVersion.String()), 0666); err != nil {
return version.Binary{}, err
}
}
cmd := exec.Command(filepath.Join(dir, "jujud"), "version")
out, err := cmd.CombinedOutput()
if err != nil {
return version.Binary{}, fmt.Errorf("cannot get version from %q: %v; %s", cmd.Args[0], err, out)
}
tvs := strings.TrimSpace(string(out))
tvers, err := version.ParseBinary(tvs)
if err != nil {
return version.Binary{}, fmt.Errorf("invalid version %q printed by jujud", tvs)
}
err = archive(w, dir)
if err != nil {
return version.Binary{}, err
}
return tvers, err
}