func (s *syncToolsSuite) SetUpTest(c *C) {
s.LoggingSuite.SetUpTest(c)
s.origVersion = version.Current
// It's important that this be v1 to match the test data.
version.Current.Number = version.MustParse("1.2.3")
// Create a target environments.yaml and make sure its environment is empty.
s.home = testing.MakeFakeHome(c, `
environments:
test-target:
type: dummy
state-server: false
authorized-keys: "not-really-one"
`)
var err error
s.targetEnv, err = environs.NewFromName("test-target")
c.Assert(err, IsNil)
envtesting.RemoveAllTools(c, s.targetEnv)
// Create a source storage.
s.storage, err = envtesting.NewEC2HTTPTestStorage("127.0.0.1")
c.Assert(err, IsNil)
// Create a local tools directory.
s.localStorage = c.MkDir()
// Populate both with the public tools.
for _, vers := range vAll {
s.storage.PutBinary(vers)
putBinary(c, s.localStorage, vers)
}
s.origLocation = defaultToolsLocation
defaultToolsLocation = s.storage.Location()
}
// NewConnFromName returns a Conn pointing at the environName environment, or the
// default environment if not specified.
func NewConnFromName(environName string) (*Conn, error) {
environ, err := environs.NewFromName(environName)
if err != nil {
return nil, err
}
return NewConn(environ)
}
func (c *DestroyEnvironmentCommand) Run(_ *cmd.Context) error {
environ, err := environs.NewFromName(c.EnvName)
if err != nil {
return err
}
return environ.Destroy(nil)
}
// Run connects to the environment specified on the command line and bootstraps
// a juju in that environment if none already exists.
func (c *BootstrapCommand) Run(_ *cmd.Context) error {
environ, err := environs.NewFromName(c.EnvName)
if err != nil {
return err
}
return environs.Bootstrap(environ, c.UploadTools, nil)
}
func (OpenSuite) TestNewFromNameGetDefault(c *C) {
defer testing.MakeFakeHome(c, testing.SingleEnvConfig, testing.SampleCertName).Restore()
e, err := environs.NewFromName("")
c.Assert(err, IsNil)
c.Assert(e.Name(), Equals, "erewhemos")
}
func build() error {
environ, err := environs.NewFromName("")
if err != nil {
return err
}
err = environs.Bootstrap(environ, true, nil)
if err != nil {
return err
}
conn, err := juju.NewConn(environ)
if err != nil {
return err
}
repo := &charm.LocalRepository{filepath.Dir(os.Args[0])}
curl := charm.MustParseURL("local:precise/builddb")
ch, err := conn.PutCharm(curl, repo, false)
if err != nil {
return err
}
service, err := conn.AddService("builddb", ch)
if err != nil {
return err
}
if err := service.SetExposed(); err != nil {
return err
}
units, err := conn.AddUnits(service, 1)
if err != nil {
return err
}
log.Printf("builddb: Waiting for unit to reach %q status...", state.UnitStarted)
unit := units[0]
last, info, err := unit.Status()
if err != nil {
return err
}
logStatus(last, info)
for last != state.UnitStarted {
time.Sleep(2 * time.Second)
if err := unit.Refresh(); err != nil {
return err
}
status, info, err := unit.Status()
if err != nil {
return err
}
if status != last {
logStatus(status, info)
last = status
}
}
addr, ok := unit.PublicAddress()
if !ok {
return fmt.Errorf("cannot retrieve files: build unit lacks a public-address")
}
log.Printf("builddb: Built files published at http://%s", addr)
log.Printf("builddb: Remember to destroy the environment when you're done...")
return nil
}
// makeEmptyFakeHome creates a faked home without tools.
func makeEmptyFakeHome(c *gc.C) (environs.Environ, *coretesting.FakeHome) {
fake := coretesting.MakeFakeHome(c, envConfig)
dummy.Reset()
env, err := environs.NewFromName("peckham")
c.Assert(err, gc.IsNil)
envtesting.RemoveAllTools(c, env)
return env, fake
}
func (*NewConnSuite) TestNewConnFromName(c *C) {
home := c.MkDir()
defer os.Setenv("HOME", os.Getenv("HOME"))
os.Setenv("HOME", home)
conn, err := juju.NewConnFromName("")
c.Assert(conn, IsNil)
c.Assert(err, ErrorMatches, ".*: no such file or directory")
if err := os.Mkdir(filepath.Join(home, ".juju"), 0755); err != nil {
c.Fatal("Could not create directory structure")
}
envs := filepath.Join(home, ".juju", "environments.yaml")
err = ioutil.WriteFile(envs, []byte(`
default:
erewhemos
environments:
erewhemos:
type: dummy
state-server: true
authorized-keys: i-am-a-key
admin-secret: conn-from-name-secret
`), 0644)
err = ioutil.WriteFile(filepath.Join(home, ".juju", "erewhemos-cert.pem"), []byte(coretesting.CACert), 0600)
c.Assert(err, IsNil)
err = ioutil.WriteFile(filepath.Join(home, ".juju", "erewhemos-private-key.pem"), []byte(coretesting.CAKey), 0600)
c.Assert(err, IsNil)
// Just run through a few operations on the dummy provider and verify that
// they behave as expected.
conn, err = juju.NewConnFromName("")
c.Assert(err, ErrorMatches, "dummy environment not bootstrapped")
environ, err := environs.NewFromName("")
c.Assert(err, IsNil)
err = environs.Bootstrap(environ, false, panicWrite)
c.Assert(err, IsNil)
conn, err = juju.NewConnFromName("")
c.Assert(err, IsNil)
defer conn.Close()
c.Assert(conn.Environ, NotNil)
c.Assert(conn.Environ.Name(), Equals, "erewhemos")
c.Assert(conn.State, NotNil)
// Reset the admin password so the state db can be reused.
err = conn.State.SetAdminMongoPassword("")
c.Assert(err, IsNil)
// Close the conn (thereby closing its state) a couple of times to
// verify that multiple closes will not panic. We ignore the error,
// as the underlying State will return an error the second
// time.
conn.Close()
conn.Close()
}
func (s *verifyStorageSuite) TestVerifyStorageFails(c *C) {
defer testing.MakeFakeHome(c, existingEnv, "existing").Restore()
environ, err := environs.NewFromName("test")
c.Assert(err, IsNil)
storage := environ.Storage()
someError := errors.Unauthorizedf("you shall not pass")
dummy.Poison(storage, "bootstrap-verify", someError)
err = environs.VerifyStorage(storage)
c.Assert(err, Equals, environs.VerifyStorageError)
}
func (*EnvironsCertSuite) TestEnsureCertificate(c *C) {
defer testing.MakeFakeHome(c, testing.SingleEnvConfig).Restore()
env, err := environs.NewFromName(testing.SampleEnvName)
c.Assert(err, IsNil)
writeCalled := false
created, err := environs.EnsureCertificate(env, func(name string, cert, key []byte) error {
writeCalled = true
return nil
})
c.Assert(err, IsNil)
c.Assert(created, Equals, environs.CertCreated)
c.Assert(writeCalled, Equals, true)
}
func (s *checkEnvironmentSuite) TestCheckEnvironment(c *C) {
defer testing.MakeFakeHome(c, checkEnv, "existing").Restore()
environ, err := environs.NewFromName("test")
c.Assert(err, IsNil)
// VerifyStorage is sufficient for our tests and much simpler
// than Bootstrap which calls it.
storage := environ.Storage()
err = environs.VerifyStorage(storage)
c.Assert(err, IsNil)
err = environs.CheckEnvironment(environ)
c.Assert(err, IsNil)
}
// Run connects to the environment specified on the command line and bootstraps
// a juju in that environment if none already exists. If there is as yet no environments.yaml file,
// the user is informed how to create one.
func (c *BootstrapCommand) Run(context *cmd.Context) error {
environ, err := environs.NewFromName(c.EnvName)
if err != nil {
if os.IsNotExist(err) {
out := context.Stderr
fmt.Fprintln(out, "No juju environment configuration file exists.")
fmt.Fprintln(out, "Please create a configuration by running:")
fmt.Fprintln(out, " juju init -w")
fmt.Fprintln(out, "then edit the file to configure your juju environment.")
fmt.Fprintln(out, "You can then re-run bootstrap.")
}
return err
}
// TODO: if in verbose mode, write out to Stdout if a new cert was created.
_, err = environs.EnsureCertificate(environ, environs.WriteCertAndKey)
if err != nil {
return err
}
// If we are using a local provider, always upload tools.
if environ.Config().Type() == provider.Local {
c.UploadTools = true
}
if c.UploadTools {
// Force version.Current, for consistency with subsequent upgrade-juju
// (see UpgradeJujuCommand).
forceVersion := uploadVersion(version.Current.Number, nil)
cfg := environ.Config()
series := getUploadSeries(cfg, c.Series)
tools, err := uploadTools(environ.Storage(), &forceVersion, series...)
if err != nil {
return err
}
cfg, err = cfg.Apply(map[string]interface{}{
"agent-version": tools.Version.Number.String(),
})
if err == nil {
err = environ.SetConfig(cfg)
}
if err != nil {
return fmt.Errorf("failed to update environment configuration: %v", err)
}
}
err = c.ensureToolsAvailability(environ, context)
if err != nil {
return err
}
return environs.Bootstrap(environ, c.Constraints)
}
func (s *verifyStorageSuite) TestVerifyStorage(c *C) {
defer testing.MakeFakeHome(c, existingEnv, "existing").Restore()
environ, err := environs.NewFromName("test")
c.Assert(err, IsNil)
storage := environ.Storage()
err = environs.VerifyStorage(storage)
c.Assert(err, IsNil)
reader, err := storage.Get("bootstrap-verify")
c.Assert(err, IsNil)
defer reader.Close()
contents, err := ioutil.ReadAll(reader)
c.Assert(err, IsNil)
c.Check(string(contents), Equals,
"juju-core storage writing verified: ok\n")
}
func (s *syncToolsSuite) SetUpTest(c *gc.C) {
s.LoggingSuite.SetUpTest(c)
// Create a target environments.yaml and make sure its environment is empty.
s.home = coretesting.MakeFakeHome(c, `
environments:
test-target:
type: dummy
state-server: false
authorized-keys: "not-really-one"
`)
var err error
s.targetEnv, err = environs.NewFromName("test-target")
c.Assert(err, gc.IsNil)
envtesting.RemoveAllTools(c, s.targetEnv)
s.origSyncTools = syncTools
}
func (c *DestroyEnvironmentCommand) Run(ctx *cmd.Context) error {
environ, err := environs.NewFromName(c.EnvName)
if err != nil {
return err
}
if !c.assumeYes {
var answer string
fmt.Fprintf(ctx.Stdout, destroyEnvMsg[1:], environ.Name(), environ.Config().Type())
fmt.Fscanln(ctx.Stdin, &answer) // ignore error, treat as "n"
answer = strings.ToLower(answer)
if answer != "y" && answer != "yes" {
return errors.New("Environment destruction aborted")
}
}
return environ.Destroy(nil)
}
func (s *checkEnvironmentSuite) TestCheckEnvironmentBadContent(c *C) {
defer testing.MakeFakeHome(c, checkEnv, "existing").Restore()
environ, err := environs.NewFromName("test")
c.Assert(err, IsNil)
// We mock a bad (eg. from a Python-juju environment) bootstrap-verify.
storage := environ.Storage()
content := "bad verification content"
reader := strings.NewReader(content)
err = storage.Put("bootstrap-verify", reader, int64(len(content)))
c.Assert(err, IsNil)
// When the bootstrap-verify file contains unexpected content,
// we get an InvalidEnvironmentError.
err = environs.CheckEnvironment(environ)
c.Assert(err, Equals, environs.InvalidEnvironmentError)
}
func (s *JujuConnSuite) setUpConn(c *C) {
if s.RootDir != "" {
panic("JujuConnSuite.setUpConn without teardown")
}
s.RootDir = c.MkDir()
s.oldHome = os.Getenv("HOME")
home := filepath.Join(s.RootDir, "/home/ubuntu")
err := os.MkdirAll(home, 0777)
c.Assert(err, IsNil)
os.Setenv("HOME", home)
dataDir := filepath.Join(s.RootDir, "/var/lib/juju")
err = os.MkdirAll(dataDir, 0777)
c.Assert(err, IsNil)
yaml := []byte(fmt.Sprintf(envConfig, version.Current.Number))
err = ioutil.WriteFile(config.JujuHomePath("environments.yaml"), yaml, 0600)
c.Assert(err, IsNil)
err = ioutil.WriteFile(config.JujuHomePath("dummyenv-cert.pem"), []byte(testing.CACert), 0666)
c.Assert(err, IsNil)
err = ioutil.WriteFile(config.JujuHomePath("dummyenv-private-key.pem"), []byte(testing.CAKey), 0600)
c.Assert(err, IsNil)
environ, err := environs.NewFromName("dummyenv")
c.Assert(err, IsNil)
// sanity check we've got the correct environment.
c.Assert(environ.Name(), Equals, "dummyenv")
c.Assert(environs.Bootstrap(environ, constraints.Value{}), IsNil)
s.BackingState = environ.(GetStater).GetStateInAPIServer()
conn, err := juju.NewConn(environ)
c.Assert(err, IsNil)
s.Conn = conn
s.State = conn.State
apiConn, err := juju.NewAPIConn(environ, api.DialOpts{})
c.Assert(err, IsNil)
s.APIConn = apiConn
s.APIState = apiConn.State
s.environ = environ
}
func (s *checkEnvironmentSuite) TestCheckEnvironmentGetFails(c *C) {
defer testing.MakeFakeHome(c, checkEnv, "existing").Restore()
environ, err := environs.NewFromName("test")
c.Assert(err, IsNil)
// VerifyStorage is sufficient for our tests and much simpler
// than Bootstrap which calls it.
storage := environ.Storage()
err = environs.VerifyStorage(storage)
c.Assert(err, IsNil)
// When fetching the verification file from storage fails,
// we get an InvalidEnvironmentError.
someError := errors.Unauthorizedf("you shall not pass")
dummy.Poison(storage, "bootstrap-verify", someError)
err = environs.CheckEnvironment(environ)
c.Assert(err, Equals, someError)
}
func (*EnvironsCertSuite) TestEnsureCertificateMissingKey(c *C) {
defer testing.MakeFakeHome(c, testing.SingleEnvConfig).Restore()
envName := testing.SampleEnvName
keyPath := testing.HomePath(".juju", envName+"-cert.pem")
ioutil.WriteFile(keyPath, []byte(testing.CACert), 0600)
// Need to create the environment after the cert has been written.
env, err := environs.NewFromName(envName)
c.Assert(err, IsNil)
writeCalled := false
_, err = environs.EnsureCertificate(env, func(name string, cert, key []byte) error {
writeCalled = true
return nil
})
c.Assert(err, ErrorMatches, "environment configuration with a certificate but no CA private key")
c.Assert(writeCalled, Equals, false)
}
func (s *checkEnvironmentSuite) TestCheckEnvironmentFileNotFound(c *C) {
defer testing.MakeFakeHome(c, checkEnv, "existing").Restore()
environ, err := environs.NewFromName("test")
c.Assert(err, IsNil)
// VerifyStorage is sufficient for our tests and much simpler
// than Bootstrap which calls it.
storage := environ.Storage()
err = environs.VerifyStorage(storage)
c.Assert(err, IsNil)
// When the bootstrap-verify file does not exist, it still believes
// the environment is a juju-core one because earlier versions
// did not create that file.
err = storage.Remove("bootstrap-verify")
c.Assert(err, IsNil)
err = environs.CheckEnvironment(environ)
c.Assert(err, IsNil)
}
func (s *JujuConnSuite) setUpConn(c *C) {
if s.RootDir != "" {
panic("JujuConnSuite.setUpConn without teardown")
}
s.RootDir = c.MkDir()
s.oldHome = os.Getenv("HOME")
home := filepath.Join(s.RootDir, "/home/ubuntu")
err := os.MkdirAll(home, 0777)
c.Assert(err, IsNil)
os.Setenv("HOME", home)
dataDir := filepath.Join(s.RootDir, "/var/lib/juju")
err = os.MkdirAll(dataDir, 0777)
c.Assert(err, IsNil)
err = os.Mkdir(filepath.Join(home, ".juju"), 0777)
c.Assert(err, IsNil)
err = ioutil.WriteFile(filepath.Join(home, ".juju", "environments.yaml"), config, 0600)
c.Assert(err, IsNil)
err = ioutil.WriteFile(filepath.Join(home, ".juju", "dummyenv-cert.pem"), []byte(testing.CACert), 0666)
c.Assert(err, IsNil)
err = ioutil.WriteFile(filepath.Join(home, ".juju", "dummyenv-private-key.pem"), []byte(testing.CAKey), 0600)
c.Assert(err, IsNil)
environ, err := environs.NewFromName("dummyenv")
c.Assert(err, IsNil)
// sanity check we've got the correct environment.
c.Assert(environ.Name(), Equals, "dummyenv")
c.Assert(environs.Bootstrap(environ, false, panicWrite), IsNil)
conn, err := juju.NewConnFromName("dummyenv")
c.Assert(err, IsNil)
s.Conn = conn
s.State = conn.State
c.Assert(err, IsNil)
}
func (c *SyncToolsCommand) Run(ctx *cmd.Context) error {
sourceStorage, err := selectSourceStorage(c.source)
if err != nil {
log.Errorf("unable to select source: %v", err)
return err
}
targetEnv, err := environs.NewFromName(c.EnvName)
if err != nil {
log.Errorf("unable to read %q from environment", c.EnvName)
return err
}
fmt.Fprintf(ctx.Stderr, "listing the source bucket\n")
majorVersion := version.Current.Major
sourceTools, err := tools.ReadList(sourceStorage, majorVersion)
if err != nil {
return err
}
if !c.dev {
filter := tools.Filter{Released: true}
if sourceTools, err = sourceTools.Match(filter); err != nil {
return err
}
}
fmt.Fprintf(ctx.Stderr, "found %d tools\n", len(sourceTools))
if !c.allVersions {
var latest version.Number
latest, sourceTools = sourceTools.Newest()
fmt.Fprintf(ctx.Stderr, "found %d recent tools (version %s)\n", len(sourceTools), latest)
}
for _, tool := range sourceTools {
log.Debugf("found source tool: %s", tool)
}
fmt.Fprintf(ctx.Stderr, "listing target bucket\n")
targetStorage := targetEnv.Storage()
if c.publicBucket {
switch _, err := tools.ReadList(targetStorage, majorVersion); err {
case tools.ErrNoTools:
case nil, tools.ErrNoMatches:
return fmt.Errorf("private tools present: public tools would be ignored")
default:
return err
}
var ok bool
if targetStorage, ok = targetEnv.PublicStorage().(environs.Storage); !ok {
return fmt.Errorf("cannot write to public storage")
}
}
targetTools, err := tools.ReadList(targetStorage, majorVersion)
switch err {
case nil, tools.ErrNoMatches, tools.ErrNoTools:
default:
return err
}
for _, tool := range targetTools {
log.Debugf("found target tool: %s", tool)
}
missing := sourceTools.Exclude(targetTools)
fmt.Fprintf(ctx.Stdout, "found %d tools in target; %d tools to be copied\n",
len(targetTools), len(missing))
err = copyTools(missing, sourceStorage, targetStorage, c.dryRun, ctx)
if err != nil {
return err
}
fmt.Fprintf(ctx.Stderr, "copied %d tools\n", len(missing))
return nil
}
func bootstrapEnv(c *C, envName string) {
environ, err := environs.NewFromName(envName)
c.Assert(err, IsNil)
err = environs.Bootstrap(environ, constraints.Value{})
c.Assert(err, IsNil)
}
// SyncTools copies the Juju tools tarball from the official bucket
// or a specified source directory into the user's environment.
func SyncTools(ctx *SyncContext) error {
var err error
ctx.sourceStorage, err = selectSourceStorage(ctx)
if err != nil {
return fmt.Errorf("unable to select source: %v", err)
}
targetEnv, err := environs.NewFromName(ctx.EnvName)
if err != nil {
return fmt.Errorf("unable to read %q from environment", ctx.EnvName)
}
logger.Infof("listing available tools")
majorVersion := version.Current.Major
sourceTools, err := tools.ReadList(ctx.sourceStorage, majorVersion)
if err != nil {
return err
}
if !ctx.Dev {
// No development versions, only released ones.
filter := tools.Filter{Released: true}
if sourceTools, err = sourceTools.Match(filter); err != nil {
return err
}
}
logger.Infof("found %d tools", len(sourceTools))
if !ctx.AllVersions {
var latest version.Number
latest, sourceTools = sourceTools.Newest()
logger.Infof("found %d recent tools (version %s)", len(sourceTools), latest)
}
for _, tool := range sourceTools {
logger.Debugf("found source tool: %s", tool)
}
logger.Infof("listing target bucket")
ctx.targetStorage = targetEnv.Storage()
if ctx.PublicBucket {
switch _, err := tools.ReadList(ctx.targetStorage, majorVersion); err {
case tools.ErrNoTools:
case nil, tools.ErrNoMatches:
return fmt.Errorf("private tools present: public tools would be ignored")
default:
return err
}
var ok bool
if ctx.targetStorage, ok = targetEnv.PublicStorage().(environs.Storage); !ok {
return fmt.Errorf("cannot write to public storage")
}
}
targetTools, err := tools.ReadList(ctx.targetStorage, majorVersion)
switch err {
case nil, tools.ErrNoMatches, tools.ErrNoTools:
default:
return err
}
for _, tool := range targetTools {
logger.Debugf("found target tool: %s", tool)
}
missing := sourceTools.Exclude(targetTools)
logger.Infof("found %d tools in target; %d tools to be copied", len(targetTools), len(missing))
err = copyTools(missing, ctx)
if err != nil {
return err
}
logger.Infof("copied %d tools", len(missing))
return nil
}
func (test bootstrapTest) run(c *C) {
defer testing.MakeFakeHome(c, envConfig).Restore()
dummy.Reset()
env, err := environs.NewFromName("peckham")
c.Assert(err, IsNil)
envtesting.RemoveAllTools(c, env)
if test.version != "" {
origVersion := version.Current
version.Current = version.MustParseBinary(test.version)
defer func() { version.Current = origVersion }()
}
uploadCount := len(test.uploads)
if uploadCount == 0 {
usefulVersion := version.Current
usefulVersion.Series = env.Config().DefaultSeries()
envtesting.UploadFakeToolsVersion(c, env.Storage(), usefulVersion)
}
// Run command and check for uploads.
opc, errc := runCommand(new(BootstrapCommand), test.args...)
if uploadCount > 0 {
for i := 0; i < uploadCount; i++ {
c.Check((<-opc).(dummy.OpPutFile).Env, Equals, "peckham")
}
list, err := environs.FindAvailableTools(env, version.Current.Major)
c.Check(err, IsNil)
c.Logf("found: " + list.String())
urls := list.URLs()
c.Check(urls, HasLen, len(test.uploads))
for _, v := range test.uploads {
c.Logf("seeking: " + v)
vers := version.MustParseBinary(v)
_, found := urls[vers]
c.Check(found, Equals, true)
}
}
// Check for remaining operations/errors.
if test.err != "" {
c.Check(<-errc, ErrorMatches, test.err)
return
}
if !c.Check(<-errc, IsNil) {
return
}
opPutBootstrapVerifyFile := (<-opc).(dummy.OpPutFile)
c.Check(opPutBootstrapVerifyFile.Env, Equals, "peckham")
c.Check(opPutBootstrapVerifyFile.FileName, Equals, "bootstrap-verify")
opBootstrap := (<-opc).(dummy.OpBootstrap)
c.Check(opBootstrap.Env, Equals, "peckham")
c.Check(opBootstrap.Constraints, DeepEquals, test.constraints)
// Check a CA cert/key was generated by reloading the environment.
env, err = environs.NewFromName("peckham")
c.Assert(err, IsNil)
_, hasCert := env.Config().CACert()
c.Check(hasCert, Equals, true)
_, hasKey := env.Config().CAPrivateKey()
c.Check(hasKey, Equals, true)
}
func (c *ValidateImageMetadataCommand) Run(context *cmd.Context) error {
var params *imagemetadata.MetadataLookupParams
if c.providerType == "" {
environ, err := environs.NewFromName(c.EnvName)
if err != nil {
return err
}
mdLookup, ok := environ.(imagemetadata.ImageMetadataValidator)
if !ok {
return fmt.Errorf("%s provider does not support image metadata validation", environ.Config().Type())
}
params, err = mdLookup.MetadataLookupParams(c.region)
if err != nil {
return err
}
} else {
prov, err := environs.Provider(c.providerType)
if err != nil {
return err
}
mdLookup, ok := prov.(imagemetadata.ImageMetadataValidator)
if !ok {
return fmt.Errorf("%s provider does not support image metadata validation", c.providerType)
}
params, err = mdLookup.MetadataLookupParams(c.region)
if err != nil {
return err
}
}
if c.series != "" {
params.Series = c.series
}
if c.region != "" {
params.Region = c.region
}
if c.endpoint != "" {
params.Endpoint = c.endpoint
}
// If the metadata files are to be loaded from a directory, we need to register
// a file http transport.
if c.metadataDir != "" {
if _, err := os.Stat(c.metadataDir); err != nil {
return err
}
params.BaseURLs = []string{"file://" + c.metadataDir}
t := &http.Transport{}
t.RegisterProtocol("file", http.NewFileTransport(http.Dir("/")))
c := &http.Client{Transport: t}
imagemetadata.SetHttpClient(c)
}
image_ids, err := imagemetadata.ValidateImageMetadata(params)
if err != nil {
return err
}
if len(image_ids) > 0 {
fmt.Fprintf(context.Stdout, "matching image ids for region %q:\n%s\n", params.Region, strings.Join(image_ids, "\n"))
} else {
return fmt.Errorf("no matching image ids for region %s using URLs:\n%s", params.Region, strings.Join(params.BaseURLs, "\n"))
}
return nil
}
func (OpenSuite) TestNewFromNameNoDefault(c *C) {
defer testing.MakeFakeHome(c, testing.MultipleEnvConfigNoDefault, testing.SampleCertName).Restore()
_, err := environs.NewFromName("")
c.Assert(err, ErrorMatches, "no default environment found")
}