func nullContext() environs.BootstrapContext {
ctx, _ := cmd.DefaultContext()
ctx.Stdin = io.LimitReader(nil, 0)
ctx.Stdout = ioutil.Discard
ctx.Stderr = ioutil.Discard
return modelcmd.BootstrapContext(ctx)
}
// mockTestingEnvConfig prepares an environment configuration using
// the mock provider which does not support networking.
func mockTestingEnvConfig(c *gc.C) *config.Config {
cfg, err := config.New(config.NoDefaults, mockConfig())
c.Assert(err, jc.ErrorIsNil)
env, err := environs.Prepare(cfg, modelcmd.BootstrapContext(coretesting.Context(c)), configstore.NewMem())
c.Assert(err, jc.ErrorIsNil)
return env.Config()
}
func (s *bootstrapSuite) TestBootstrapGUISuccessLocal(c *gc.C) {
path := makeGUIArchive(c, "jujugui-2.2.0")
s.PatchEnvironment("JUJU_GUI", path)
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, "Preparing for Juju GUI 2.2.0 installation from local archive\n")
// Check GUI URL and version.
c.Assert(env.instanceConfig.GUI.URL, gc.Equals, "file://"+path)
c.Assert(env.instanceConfig.GUI.Version.String(), gc.Equals, "2.2.0")
// Check GUI size.
f, err := os.Open(path)
c.Assert(err, jc.ErrorIsNil)
defer f.Close()
info, err := f.Stat()
c.Assert(err, jc.ErrorIsNil)
c.Assert(env.instanceConfig.GUI.Size, gc.Equals, info.Size())
// Check GUI hash.
h := sha256.New()
_, err = io.Copy(h, f)
c.Assert(err, jc.ErrorIsNil)
c.Assert(env.instanceConfig.GUI.SHA256, gc.Equals, fmt.Sprintf("%x", h.Sum(nil)))
}
func (s *bootstrapSuite) TestBootstrapGUISuccessRemote(c *gc.C) {
s.PatchValue(bootstrap.GUIFetchMetadata, func(stream string, sources ...simplestreams.DataSource) ([]*gui.Metadata, error) {
c.Assert(stream, gc.Equals, gui.ReleasedStream)
c.Assert(sources[0].Description(), gc.Equals, "gui simplestreams")
c.Assert(sources[0].RequireSigned(), jc.IsTrue)
return []*gui.Metadata{{
Version: version.MustParse("2.0.42"),
FullPath: "https://1.2.3.4/juju-gui-2.0.42.tar.bz2",
SHA256: "hash-2.0.42",
Size: 42,
}, {
Version: version.MustParse("2.0.47"),
FullPath: "https://1.2.3.4/juju-gui-2.0.47.tar.bz2",
SHA256: "hash-2.0.47",
Size: 47,
}}, nil
})
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{
GUIDataSourceBaseURL: "https://1.2.3.4/gui/sources",
})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, "Preparing for Juju GUI 2.0.42 release installation\n")
// The most recent GUI release info has been stored.
c.Assert(env.instanceConfig.GUI.URL, gc.Equals, "https://1.2.3.4/juju-gui-2.0.42.tar.bz2")
c.Assert(env.instanceConfig.GUI.Version.String(), gc.Equals, "2.0.42")
c.Assert(env.instanceConfig.GUI.Size, gc.Equals, int64(42))
c.Assert(env.instanceConfig.GUI.SHA256, gc.Equals, "hash-2.0.42")
}
func (s *Suite) SetUpTest(c *gc.C) {
// Set up InitialConfig with a dummy provider configuration. This
// is required to allow model import test to work.
env, err := environs.Prepare(
modelcmd.BootstrapContext(testing.Context(c)),
jujuclienttesting.NewMemStore(),
environs.PrepareParams{
ControllerName: "dummycontroller",
BaseConfig: dummy.SampleConfig(),
CloudName: "dummy",
},
)
c.Assert(err, jc.ErrorIsNil)
s.InitialConfig = testing.CustomModelConfig(c, env.Config().AllAttrs())
// The call up to StateSuite's SetUpTest uses s.InitialConfig so
// it has to happen here.
s.StateSuite.SetUpTest(c)
s.resources = common.NewResources()
s.AddCleanup(func(*gc.C) { s.resources.StopAll() })
s.authorizer = apiservertesting.FakeAuthorizer{
Tag: s.Owner,
}
}
func (s *bootstrapSuite) TestBootstrapGUIErrorNotFound(c *gc.C) {
s.PatchEnvironment("JUJU_GUI", "/no/such/file")
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, `Cannot use Juju GUI at "/no/such/file": cannot open Juju GUI archive:`)
}
func (s *bootstrapSuite) TestBootstrapGUISuccessNoGUI(c *gc.C) {
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, "Juju GUI installation has been disabled\n")
c.Assert(env.instanceConfig.GUI, gc.IsNil)
}
func (s *bootstrapSuite) TestBootstrapGUIErrorUnexpectedArchive(c *gc.C) {
path := makeGUIArchive(c, "not-a-gui")
s.PatchEnvironment("JUJU_GUI", path)
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, fmt.Sprintf("Cannot use Juju GUI at %q: cannot find Juju GUI version", path))
}
func (s *bootstrapSuite) TestBootstrapGUIErrorInvalidArchive(c *gc.C) {
path := filepath.Join(c.MkDir(), "gui.bz2")
err := ioutil.WriteFile(path, []byte("invalid"), 0666)
c.Assert(err, jc.ErrorIsNil)
s.PatchEnvironment("JUJU_GUI", path)
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err = bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, fmt.Sprintf("Cannot use Juju GUI at %q: cannot read Juju GUI archive", path))
}
// resetJujuHome restores an new, clean Juju home environment without tools.
func resetJujuHome(c *gc.C, envName string) environs.Environ {
jenvDir := testing.HomePath(".juju", "models")
err := os.RemoveAll(jenvDir)
c.Assert(err, jc.ErrorIsNil)
coretesting.WriteEnvironments(c, modelConfig)
dummy.Reset()
store, err := configstore.Default()
c.Assert(err, jc.ErrorIsNil)
env, err := environs.PrepareFromName(envName, modelcmd.BootstrapContext(cmdtesting.NullContext(c)), store)
c.Assert(err, jc.ErrorIsNil)
return env
}
func (s *bootstrapSuite) TestBootstrapGUISuccessNoGUI(c *gc.C) {
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{
ControllerConfig: coretesting.FakeControllerConfig(),
AdminSecret: "admin-secret",
CAPrivateKey: coretesting.CAKey,
})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, "Juju GUI installation has been disabled\n")
c.Assert(env.instanceConfig.Bootstrap.GUI, gc.IsNil)
}
func testingEnvConfig(c *gc.C) *config.Config {
env, err := environs.Prepare(
modelcmd.BootstrapContext(testing.Context(c)),
jujuclienttesting.NewMemStore(),
environs.PrepareParams{
ControllerName: "dummycontroller",
BaseConfig: dummy.SampleConfig(),
CloudName: "dummy",
},
)
c.Assert(err, jc.ErrorIsNil)
return env.Config()
}
func (s *bootstrapSuite) TestBootstrapGUIStreamsFailure(c *gc.C) {
s.PatchValue(bootstrap.GUIFetchMetadata, func(string, ...simplestreams.DataSource) ([]*gui.Metadata, error) {
return nil, errors.New("bad wolf")
})
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{
GUIDataSourceBaseURL: "https://1.2.3.4/gui/sources",
})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, "Unable to fetch Juju GUI info: bad wolf\n")
c.Assert(env.instanceConfig.GUI, gc.IsNil)
}
func (s *bootstrapSuite) TestBootstrapGUIErrorInvalidVersion(c *gc.C) {
path := makeGUIArchive(c, "jujugui-invalid")
s.PatchEnvironment("JUJU_GUI", path)
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{
ControllerConfig: coretesting.FakeControllerConfig(),
AdminSecret: "admin-secret",
CAPrivateKey: coretesting.CAKey,
})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, fmt.Sprintf(`Cannot use Juju GUI at %q: cannot parse version "invalid"`, path))
}
// rebootstrap will bootstrap a new server in safe-mode (not killing any other agent)
// if there is no current server available to restore to.
func (c *restoreCommand) rebootstrap(ctx *cmd.Context, meta *params.BackupsMetadataResult) error {
env, err := c.getEnvironFunc(c.ControllerName(), meta)
if err != nil {
return errors.Trace(err)
}
instanceIds, err := env.ControllerInstances()
if err != nil && errors.Cause(err) != environs.ErrNotBootstrapped {
return errors.Annotatef(err, "cannot determine controller instances")
}
if len(instanceIds) > 0 {
inst, err := env.Instances(instanceIds)
if err == nil {
return errors.Errorf("old bootstrap instance %q still seems to exist; will not replace", inst)
}
if err != environs.ErrNoInstances {
return errors.Annotatef(err, "cannot detect whether old instance is still running")
}
}
// We require a hosted model config to bootstrap. We'll fill in some defaults
// just to get going. The restore will clear the initial state.
hostedModelUUID, err := utils.NewUUID()
if err != nil {
return errors.Trace(err)
}
hostedModelConfig := map[string]interface{}{
"name": "default",
config.UUIDKey: hostedModelUUID.String(),
}
args := bootstrap.BootstrapParams{
ModelConstraints: c.constraints,
UploadTools: c.uploadTools,
BuildToolsTarball: sync.BuildToolsTarball,
HostedModelConfig: hostedModelConfig,
}
if err := BootstrapFunc(modelcmd.BootstrapContext(ctx), env, args); err != nil {
return errors.Annotatef(err, "cannot bootstrap new instance")
}
// New controller is bootstrapped, so now record the API address so
// we can connect.
err = common.SetBootstrapEndpointAddress(c.ClientStore(), c.ControllerName(), env)
if err != nil {
errors.Trace(err)
}
// To avoid race conditions when running scripted bootstraps, wait
// for the controller's machine agent to be ready to accept commands
// before exiting this bootstrap command.
return c.waitForAgentFunc(ctx, &c.ModelCommandBase, c.ControllerName())
}
func (s *BootstrapSuite) TestSuccess(c *gc.C) {
s.PatchValue(&jujuversion.Current, coretesting.FakeVersionNumber)
stor := newStorage(s, c)
checkInstanceId := "i-success"
checkHardware := instance.MustParseHardware("arch=ppc64el mem=2T")
startInstance := func(
_ string, _ constraints.Value, _ []string, _ tools.List, icfg *instancecfg.InstanceConfig,
) (
instance.Instance, *instance.HardwareCharacteristics, []network.InterfaceInfo, error,
) {
return &mockInstance{id: checkInstanceId}, &checkHardware, nil, nil
}
var mocksConfig = minimalConfig(c)
var getConfigCalled int
getConfig := func() *config.Config {
getConfigCalled++
return mocksConfig
}
setConfig := func(c *config.Config) error {
mocksConfig = c
return nil
}
env := &mockEnviron{
storage: stor,
startInstance: startInstance,
config: getConfig,
setConfig: setConfig,
}
inner := coretesting.Context(c)
ctx := modelcmd.BootstrapContext(inner)
result, err := common.Bootstrap(ctx, env, environs.BootstrapParams{
ControllerConfig: coretesting.FakeControllerConfig(),
AvailableTools: tools.List{
&tools.Tools{
Version: version.Binary{
Number: jujuversion.Current,
Arch: arch.HostArch(),
Series: series.HostSeries(),
},
},
}})
c.Assert(err, jc.ErrorIsNil)
c.Assert(result.Arch, gc.Equals, "ppc64el") // based on hardware characteristics
c.Assert(result.Series, gc.Equals, config.PreferredSeries(mocksConfig))
output := inner.Stderr.(*bytes.Buffer)
lines := strings.Split(output.String(), "\n")
c.Assert(len(lines), jc.GreaterThan, 1)
c.Assert(lines[0], gc.Equals, "Some message")
}
func testingEnvConfig(c *gc.C) *config.Config {
env, err := bootstrap.Prepare(
modelcmd.BootstrapContext(testing.Context(c)),
jujuclienttesting.NewMemStore(),
bootstrap.PrepareParams{
ControllerConfig: testing.FakeControllerConfig(),
ControllerName: "dummycontroller",
ModelConfig: dummy.SampleConfig(),
Cloud: dummy.SampleCloudSpec(),
AdminSecret: "admin-secret",
},
)
c.Assert(err, jc.ErrorIsNil)
return env.Config()
}
func (s *bootstrapSuite) TestBootstrapGUINoStreams(c *gc.C) {
s.PatchValue(bootstrap.GUIFetchMetadata, func(string, ...simplestreams.DataSource) ([]*gui.Metadata, error) {
return nil, nil
})
env := newEnviron("foo", useDefaultKeys, nil)
ctx := coretesting.Context(c)
err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, bootstrap.BootstrapParams{
ControllerConfig: coretesting.FakeControllerConfig(),
AdminSecret: "admin-secret",
CAPrivateKey: coretesting.CAKey,
GUIDataSourceBaseURL: "https://1.2.3.4/gui/sources",
})
c.Assert(err, jc.ErrorIsNil)
c.Assert(coretesting.Stderr(ctx), jc.Contains, "No available Juju GUI archives found\n")
c.Assert(env.instanceConfig.Bootstrap.GUI, gc.IsNil)
}
func (s *BootstrapSuite) TestBootstrapJenvWarning(c *gc.C) {
const envName = "devenv"
s.patchVersionAndSeries(c, envName)
store, err := configstore.Default()
c.Assert(err, jc.ErrorIsNil)
ctx := coretesting.Context(c)
environs.PrepareFromName(envName, modelcmd.BootstrapContext(ctx), store)
logger := "jenv.warning.test"
var testWriter loggo.TestWriter
loggo.RegisterWriter(logger, &testWriter, loggo.WARNING)
defer loggo.RemoveWriter(logger)
_, errc := cmdtesting.RunCommand(ctx, newBootstrapCommand(), "-m", envName, "--auto-upgrade")
c.Assert(<-errc, gc.IsNil)
c.Assert(testWriter.Log(), jc.LogMatches, []string{"ignoring environments.yaml: using bootstrap config in .*"})
}
func environFromNameProductionFunc(
ctx *cmd.Context,
envName string,
action string,
ensureNotBootstrapped func(environs.Environ) error,
) (env environs.Environ, cleanup func(), err error) {
store, err := configstore.Default()
if err != nil {
return nil, nil, err
}
envExisted := false
if environInfo, err := store.ReadInfo(envName); err == nil {
envExisted = true
logger.Warningf(
"ignoring environments.yaml: using bootstrap config in %s",
environInfo.Location(),
)
} else if !errors.IsNotFound(err) {
return nil, nil, err
}
cleanup = func() {
// Distinguish b/t removing the jenv file or tearing down the
// environment. We want to remove the jenv file if preparation
// was not successful. We want to tear down the environment
// only in the case where the environment didn't already
// exist.
if env == nil {
logger.Debugf("Destroying model info.")
destroyEnvInfo(ctx, envName, store, action)
} else if !envExisted && ensureNotBootstrapped(env) != environs.ErrAlreadyBootstrapped {
logger.Debugf("Destroying model.")
destroyPreparedEnviron(ctx, env, store, action)
}
}
if env, err = environs.PrepareFromName(envName, modelcmd.BootstrapContext(ctx), store); err != nil {
return nil, cleanup, err
}
return env, cleanup, err
}
// rebootstrap will bootstrap a new server in safe-mode (not killing any other agent)
// if there is no current server available to restore to.
func (c *restoreCommand) rebootstrap(ctx *cmd.Context) error {
store, err := configstore.Default()
if err != nil {
return errors.Trace(err)
}
cfg, err := c.Config(store, nil)
if err != nil {
return errors.Trace(err)
}
// Turn on safe mode so that the newly bootstrapped instance
// will not destroy all the instances it does not know about.
cfg, err = cfg.Apply(map[string]interface{}{
"provisioner-safe-mode": true,
})
if err != nil {
return errors.Annotatef(err, "cannot enable provisioner-safe-mode")
}
env, err := environs.New(cfg)
if err != nil {
return errors.Trace(err)
}
instanceIds, err := env.ControllerInstances()
if err != nil {
return errors.Annotatef(err, "cannot determine controller instances")
}
if len(instanceIds) == 0 {
return errors.Errorf("no instances found; perhaps the model was not bootstrapped")
}
inst, err := env.Instances(instanceIds)
if err == nil {
return errors.Errorf("old bootstrap instance %q still seems to exist; will not replace", inst)
}
if err != environs.ErrNoInstances {
return errors.Annotatef(err, "cannot detect whether old instance is still running")
}
cons := c.constraints
args := bootstrap.BootstrapParams{EnvironConstraints: cons, UploadTools: c.uploadTools}
if err := bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), env, args); err != nil {
return errors.Annotatef(err, "cannot bootstrap new instance")
}
return nil
}
func (s *ImportSuite) SetUpTest(c *gc.C) {
// Specify the config to use for the controller model before calling
// SetUpTest of the StateSuite, otherwise we get testing.ModelConfig(c).
// The default provider type specified in the testing.ModelConfig function
// is one that isn't registered as a valid provider. For our tests here we
// need a real registered provider, so we use the dummy provider.
// NOTE: make a better test provider.
env, err := environs.Prepare(
modelcmd.BootstrapContext(testing.Context(c)),
jujuclienttesting.NewMemStore(),
environs.PrepareParams{
ControllerName: "dummycontroller",
BaseConfig: dummy.SampleConfig(),
CloudName: "dummy",
},
)
c.Assert(err, jc.ErrorIsNil)
s.InitialConfig = testing.CustomModelConfig(c, env.Config().AllAttrs())
s.StateSuite.SetUpTest(c)
}
// rebootstrap will bootstrap a new server in safe-mode (not killing any other agent)
// if there is no current server available to restore to.
func (c *restoreCommand) rebootstrap(ctx *cmd.Context, meta *params.BackupsMetadataResult) error {
env, err := c.getEnvironFunc(c.ControllerName(), meta)
if err != nil {
return errors.Trace(err)
}
instanceIds, err := env.ControllerInstances()
if err != nil && errors.Cause(err) != environs.ErrNotBootstrapped {
return errors.Annotatef(err, "cannot determine controller instances")
}
if len(instanceIds) > 0 {
inst, err := env.Instances(instanceIds)
if err == nil {
return errors.Errorf("old bootstrap instance %q still seems to exist; will not replace", inst)
}
if err != environs.ErrNoInstances {
return errors.Annotatef(err, "cannot detect whether old instance is still running")
}
}
// We require a hosted model config to bootstrap. We'll fill in some defaults
// just to get going. The restore will clear the initial state.
hostedModelUUID, err := utils.NewUUID()
if err != nil {
return errors.Trace(err)
}
hostedModelConfig := map[string]interface{}{
"name": "default",
config.UUIDKey: hostedModelUUID.String(),
}
args := bootstrap.BootstrapParams{
ModelConstraints: c.constraints,
UploadTools: c.uploadTools,
HostedModelConfig: hostedModelConfig,
}
if err := BootstrapFunc(modelcmd.BootstrapContext(ctx), env, args); err != nil {
return errors.Annotatef(err, "cannot bootstrap new instance")
}
return nil
}
func (s *imageMetadataUpdateSuite) TestUpdateFromPublishedImagesForProviderWithNoRegions(c *gc.C) {
// This will save all available image metadata.
saved := []cloudimagemetadata.Metadata{}
// testingEnvConfig prepares an environment configuration using
// the dummy provider since it doesn't implement simplestreams.HasRegion.
s.state.environConfig = func() (*config.Config, error) {
cfg, err := config.New(config.NoDefaults, dummy.SampleConfig())
c.Assert(err, jc.ErrorIsNil)
env, err := environs.Prepare(cfg, modelcmd.BootstrapContext(testing.Context(c)), configstore.NewMem())
c.Assert(err, jc.ErrorIsNil)
return env.Config(), err
}
s.state.saveMetadata = func(m []cloudimagemetadata.Metadata) error {
saved = append(saved, m...)
return nil
}
err := s.api.UpdateFromPublishedImages()
c.Assert(err, jc.ErrorIsNil)
s.assertCalls(c, environConfig)
c.Assert(saved, jc.SameContents, []cloudimagemetadata.Metadata{})
}
func (s *ModelCommandSuite) TestBootstrapContext(c *gc.C) {
ctx := modelcmd.BootstrapContext(&cmd.Context{})
c.Assert(ctx.ShouldVerifyCredentials(), jc.IsTrue)
}
// BootstrapContext creates a simple bootstrap execution context.
func BootstrapContext(c *gc.C) environs.BootstrapContext {
return modelcmd.BootstrapContext(coretesting.Context(c))
}
// 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(ctx *cmd.Context) (resultErr error) {
bootstrapFuncs := getBootstrapFuncs()
envName := getModelName(c)
if envName == "" {
return errors.Errorf("the name of the model must be specified")
}
if err := checkProviderType(envName); errors.IsNotFound(err) {
// This error will get handled later.
} else if err != nil {
return errors.Trace(err)
}
environ, cleanup, err := environFromName(
ctx,
envName,
"Bootstrap",
bootstrapFuncs.EnsureNotBootstrapped,
)
// If we error out for any reason, clean up the environment.
defer func() {
if resultErr != nil && cleanup != nil {
if c.KeepBrokenEnvironment {
logger.Warningf("bootstrap failed but --keep-broken was specified so model is not being destroyed.\n" +
"When you are finished diagnosing the problem, remember to run juju destroy-model --force\n" +
"to clean up the model.")
} else {
handleBootstrapError(ctx, resultErr, cleanup)
}
}
}()
// Handle any errors from environFromName(...).
if err != nil {
return errors.Annotatef(err, "there was an issue examining the model")
}
// Check to see if this environment is already bootstrapped. If it
// is, we inform the user and exit early. If an error is returned
// but it is not that the environment is already bootstrapped,
// then we're in an unknown state.
if err := bootstrapFuncs.EnsureNotBootstrapped(environ); nil != err {
if environs.ErrAlreadyBootstrapped == err {
logger.Warningf("This juju model is already bootstrapped. If you want to start a new Juju\nmodel, first run juju destroy-model to clean up, or switch to an\nalternative model.")
return err
}
return errors.Annotatef(err, "cannot determine if model is already bootstrapped.")
}
// Block interruption during bootstrap. Providers may also
// register for interrupt notification so they can exit early.
interrupted := make(chan os.Signal, 1)
defer close(interrupted)
ctx.InterruptNotify(interrupted)
defer ctx.StopInterruptNotify(interrupted)
go func() {
for _ = range interrupted {
ctx.Infof("Interrupt signalled: waiting for bootstrap to exit")
}
}()
// If --metadata-source is specified, override the default tools metadata source so
// SyncTools can use it, and also upload any image metadata.
var metadataDir string
if c.MetadataSource != "" {
metadataDir = ctx.AbsPath(c.MetadataSource)
}
// Merge environ and bootstrap-specific constraints.
constraintsValidator, err := environ.ConstraintsValidator()
if err != nil {
return errors.Trace(err)
}
bootstrapConstraints, err := constraintsValidator.Merge(
c.Constraints, c.BootstrapConstraints,
)
if err != nil {
return errors.Trace(err)
}
logger.Infof("combined bootstrap constraints: %v", bootstrapConstraints)
err = bootstrapFuncs.Bootstrap(modelcmd.BootstrapContext(ctx), environ, bootstrap.BootstrapParams{
EnvironConstraints: c.Constraints,
BootstrapConstraints: bootstrapConstraints,
BootstrapSeries: c.BootstrapSeries,
BootstrapImage: c.BootstrapImage,
Placement: c.Placement,
UploadTools: c.UploadTools,
AgentVersion: c.AgentVersion,
MetadataDir: metadataDir,
})
if err != nil {
return errors.Annotate(err, "failed to bootstrap model")
}
err = c.SetBootstrapEndpointAddress(environ)
if err != nil {
return errors.Annotate(err, "saving bootstrap endpoint address")
}
err = modelcmd.SetCurrentModel(ctx, envName)
if err != nil {
return errors.Trace(err)
}
// To avoid race conditions when running scripted bootstraps, wait
// for the controller's machine agent to be ready to accept commands
// before exiting this bootstrap command.
return c.waitForAgentInitialisation(ctx)
}
// 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(ctx *cmd.Context) (resultErr error) {
bootstrapFuncs := getBootstrapFuncs()
// Get the cloud definition identified by c.Cloud. If c.Cloud does not
// identify a cloud in clouds.yaml, but is the name of a provider, and
// that provider implements environs.CloudRegionDetector, we'll
// synthesise a Cloud structure with the detected regions and no auth-
// types.
cloud, err := jujucloud.CloudByName(c.Cloud)
if errors.IsNotFound(err) {
ctx.Verbosef("cloud %q not found, trying as a provider name", c.Cloud)
provider, err := environs.Provider(c.Cloud)
if errors.IsNotFound(err) {
return errors.NewNotFound(nil, fmt.Sprintf("unknown cloud %q, please try %q", c.Cloud, "juju update-clouds"))
} else if err != nil {
return errors.Trace(err)
}
detector, ok := provider.(environs.CloudRegionDetector)
if !ok {
ctx.Verbosef(
"provider %q does not support detecting regions",
c.Cloud,
)
return errors.NewNotFound(nil, fmt.Sprintf("unknown cloud %q, please try %q", c.Cloud, "juju update-clouds"))
}
regions, err := detector.DetectRegions()
if err != nil && !errors.IsNotFound(err) {
// It's not an error to have no regions.
return errors.Annotatef(err,
"detecting regions for %q cloud provider",
c.Cloud,
)
}
cloud = &jujucloud.Cloud{
Type: c.Cloud,
Regions: regions,
}
} else if err != nil {
return errors.Trace(err)
}
if err := checkProviderType(cloud.Type); errors.IsNotFound(err) {
// This error will get handled later.
} else if err != nil {
return errors.Trace(err)
}
// Get the credentials and region name.
store := c.ClientStore()
credential, credentialName, regionName, err := modelcmd.GetCredentials(
store, c.Region, c.CredentialName, c.Cloud, cloud.Type,
)
if errors.IsNotFound(err) && c.CredentialName == "" {
// No credential was explicitly specified, and no credential
// was found in credentials.yaml; have the provider detect
// credentials from the environment.
ctx.Verbosef("no credentials found, checking environment")
detected, err := modelcmd.DetectCredential(c.Cloud, cloud.Type)
if errors.Cause(err) == modelcmd.ErrMultipleCredentials {
return ambiguousCredentialError
} else if err != nil {
return errors.Trace(err)
}
// We have one credential so extract it from the map.
var oneCredential jujucloud.Credential
for _, oneCredential = range detected.AuthCredentials {
}
credential = &oneCredential
regionName = c.Region
if regionName == "" {
regionName = detected.DefaultRegion
}
logger.Tracef("authenticating with region %q and %v", regionName, credential)
} else if err != nil {
return errors.Trace(err)
}
region, err := getRegion(cloud, c.Cloud, regionName)
if err != nil {
return errors.Trace(err)
}
hostedModelUUID, err := utils.NewUUID()
if err != nil {
return errors.Trace(err)
}
controllerUUID, err := utils.NewUUID()
if err != nil {
return errors.Trace(err)
}
// Create an environment config from the cloud and credentials.
configAttrs := map[string]interface{}{
"type": cloud.Type,
"name": environs.ControllerModelName,
config.UUIDKey: controllerUUID.String(),
config.ControllerUUIDKey: controllerUUID.String(),
}
userConfigAttrs, err := c.config.ReadAttrs(ctx)
if err != nil {
return errors.Trace(err)
}
for k, v := range userConfigAttrs {
configAttrs[k] = v
}
logger.Debugf("preparing controller with config: %v", configAttrs)
// Read existing current controller, account, model so we can clean up on error.
var oldCurrentController string
oldCurrentController, err = modelcmd.ReadCurrentController()
if err != nil {
return errors.Annotate(err, "error reading current controller")
}
defer func() {
if resultErr == nil || errors.IsAlreadyExists(resultErr) {
return
}
if oldCurrentController != "" {
if err := modelcmd.WriteCurrentController(oldCurrentController); err != nil {
logger.Warningf(
"cannot reset current controller to %q: %v",
oldCurrentController, err,
)
}
}
if err := store.RemoveController(c.controllerName); err != nil {
logger.Warningf(
"cannot destroy newly created controller %q details: %v",
c.controllerName, err,
)
}
}()
environ, err := environsPrepare(
modelcmd.BootstrapContext(ctx), store,
environs.PrepareParams{
BaseConfig: configAttrs,
ControllerName: c.controllerName,
CloudName: c.Cloud,
CloudRegion: region.Name,
CloudEndpoint: region.Endpoint,
CloudStorageEndpoint: region.StorageEndpoint,
Credential: *credential,
CredentialName: credentialName,
},
)
if err != nil {
return errors.Trace(err)
}
// Set the current model to the initial hosted model.
accountName, err := store.CurrentAccount(c.controllerName)
if err != nil {
return errors.Trace(err)
}
if err := store.UpdateModel(c.controllerName, accountName, c.hostedModelName, jujuclient.ModelDetails{
hostedModelUUID.String(),
}); err != nil {
return errors.Trace(err)
}
if err := store.SetCurrentModel(c.controllerName, accountName, c.hostedModelName); err != nil {
return errors.Trace(err)
}
// Set the current controller so "juju status" can be run while
// bootstrapping is underway.
if err := modelcmd.WriteCurrentController(c.controllerName); err != nil {
return errors.Trace(err)
}
cloudRegion := c.Cloud
if region.Name != "" {
cloudRegion = fmt.Sprintf("%s/%s", cloudRegion, region.Name)
}
ctx.Infof(
"Creating Juju controller %q on %s",
c.controllerName, cloudRegion,
)
// If we error out for any reason, clean up the environment.
defer func() {
if resultErr != nil {
if c.KeepBrokenEnvironment {
logger.Warningf(`
bootstrap failed but --keep-broken was specified so model is not being destroyed.
When you are finished diagnosing the problem, remember to run juju destroy-model --force
to clean up the model.`[1:])
} else {
handleBootstrapError(ctx, resultErr, func() error {
return environsDestroy(
c.controllerName, environ, store,
)
})
}
}
}()
// Block interruption during bootstrap. Providers may also
// register for interrupt notification so they can exit early.
interrupted := make(chan os.Signal, 1)
defer close(interrupted)
ctx.InterruptNotify(interrupted)
defer ctx.StopInterruptNotify(interrupted)
go func() {
for _ = range interrupted {
ctx.Infof("Interrupt signalled: waiting for bootstrap to exit")
}
}()
// If --metadata-source is specified, override the default tools metadata source so
// SyncTools can use it, and also upload any image metadata.
var metadataDir string
if c.MetadataSource != "" {
metadataDir = ctx.AbsPath(c.MetadataSource)
}
// Merge environ and bootstrap-specific constraints.
constraintsValidator, err := environ.ConstraintsValidator()
if err != nil {
return errors.Trace(err)
}
bootstrapConstraints, err := constraintsValidator.Merge(
c.Constraints, c.BootstrapConstraints,
)
if err != nil {
return errors.Trace(err)
}
logger.Infof("combined bootstrap constraints: %v", bootstrapConstraints)
hostedModelConfig := map[string]interface{}{
"name": c.hostedModelName,
config.UUIDKey: hostedModelUUID.String(),
}
// We copy across any user supplied attributes to the hosted model config.
// But only if the attributes have not been removed from the controller
// model config as part of preparing the controller model.
controllerConfigAttrs := environ.Config().AllAttrs()
for k, v := range userConfigAttrs {
if _, ok := controllerConfigAttrs[k]; ok {
hostedModelConfig[k] = v
}
}
// Ensure that certain config attributes are not included in the hosted
// model config. These attributes may be modified during bootstrap; by
// removing them from this map, we ensure the modified values are
// inherited.
delete(hostedModelConfig, config.AuthKeysConfig)
delete(hostedModelConfig, config.AgentVersionKey)
// Check whether the Juju GUI must be installed in the controller.
// Leaving this value empty means no GUI will be installed.
var guiDataSourceBaseURL string
if !c.noGUI {
guiDataSourceBaseURL = common.GUIDataSourceBaseURL()
}
err = bootstrapFuncs.Bootstrap(modelcmd.BootstrapContext(ctx), environ, bootstrap.BootstrapParams{
ModelConstraints: c.Constraints,
BootstrapConstraints: bootstrapConstraints,
BootstrapSeries: c.BootstrapSeries,
BootstrapImage: c.BootstrapImage,
Placement: c.Placement,
UploadTools: c.UploadTools,
AgentVersion: c.AgentVersion,
MetadataDir: metadataDir,
HostedModelConfig: hostedModelConfig,
GUIDataSourceBaseURL: guiDataSourceBaseURL,
})
if err != nil {
return errors.Annotate(err, "failed to bootstrap model")
}
if err := c.SetModelName(c.hostedModelName); err != nil {
return errors.Trace(err)
}
err = c.setBootstrapEndpointAddress(environ)
if err != nil {
return errors.Annotate(err, "saving bootstrap endpoint address")
}
// To avoid race conditions when running scripted bootstraps, wait
// for the controller's machine agent to be ready to accept commands
// before exiting this bootstrap command.
return c.waitForAgentInitialisation(ctx)
}
// rebootstrap will bootstrap a new server in safe-mode (not killing any other agent)
// if there is no current server available to restore to.
func (c *restoreCommand) rebootstrap(ctx *cmd.Context, meta *params.BackupsMetadataResult) error {
params, err := c.getRebootstrapParamsFunc(ctx, c.ControllerName(), meta)
if err != nil {
return errors.Trace(err)
}
cloudParam, err := cloud.CloudByName(params.Cloud.Name)
if errors.IsNotFound(err) {
provider, err := environs.Provider(params.Cloud.Type)
if errors.IsNotFound(err) {
return errors.NewNotFound(nil, fmt.Sprintf("unknown cloud %q, please try %q", params.Cloud.Name, "juju update-clouds"))
} else if err != nil {
return errors.Trace(err)
}
detector, ok := provider.(environs.CloudRegionDetector)
if !ok {
return errors.Errorf("provider %q does not support detecting regions", params.Cloud.Type)
}
var cloudEndpoint string
regions, err := detector.DetectRegions()
if errors.IsNotFound(err) {
// It's not an error to have no regions. If the
// provider does not support regions, then we
// reinterpret the supplied region name as the
// cloud's endpoint. This enables the user to
// supply, for example, maas/<IP> or manual/<IP>.
if params.Cloud.Region != "" {
cloudEndpoint = params.Cloud.Region
}
} else if err != nil {
return errors.Annotatef(err, "detecting regions for %q cloud provider", params.Cloud.Type)
}
schemas := provider.CredentialSchemas()
authTypes := make([]cloud.AuthType, 0, len(schemas))
for authType := range schemas {
authTypes = append(authTypes, authType)
}
cloudParam = &cloud.Cloud{
Type: params.Cloud.Type,
AuthTypes: authTypes,
Endpoint: cloudEndpoint,
Regions: regions,
}
} else if err != nil {
return errors.Trace(err)
}
env, err := c.newEnvironFunc(environs.OpenParams{
Cloud: params.Cloud,
Config: params.ModelConfig,
})
if err != nil {
return errors.Annotate(err, "opening environ for rebootstrapping")
}
instanceIds, err := env.ControllerInstances(params.ControllerConfig.ControllerUUID())
if err != nil && errors.Cause(err) != environs.ErrNotBootstrapped {
return errors.Annotatef(err, "cannot determine controller instances")
}
if len(instanceIds) > 0 {
inst, err := env.Instances(instanceIds)
if err == nil {
return errors.Errorf("old bootstrap instance %q still seems to exist; will not replace", inst)
}
if err != environs.ErrNoInstances {
return errors.Annotatef(err, "cannot detect whether old instance is still running")
}
}
// We require a hosted model config to bootstrap. We'll fill in some defaults
// just to get going. The restore will clear the initial state.
hostedModelUUID, err := utils.NewUUID()
if err != nil {
return errors.Trace(err)
}
hostedModelConfig := map[string]interface{}{
"name": "default",
config.UUIDKey: hostedModelUUID.String(),
}
// We may have previous controller metadata. We need to replace that so it
// will contain the new CA Cert and UUID required to connect to the newly
// bootstrapped controller API.
store := c.ClientStore()
details := jujuclient.ControllerDetails{
ControllerUUID: params.ControllerConfig.ControllerUUID(),
CACert: meta.CACert,
Cloud: params.Cloud.Name,
CloudRegion: params.Cloud.Region,
}
err = store.UpdateController(c.ControllerName(), details)
if err != nil {
return errors.Trace(err)
}
bootVers := version.Current
args := bootstrap.BootstrapParams{
Cloud: *cloudParam,
CloudName: params.Cloud.Name,
CloudRegion: params.Cloud.Region,
CloudCredentialName: params.CredentialName,
CloudCredential: params.Cloud.Credential,
ModelConstraints: c.constraints,
BuildAgent: c.buildAgent,
BuildAgentTarball: sync.BuildAgentTarball,
ControllerConfig: params.ControllerConfig,
HostedModelConfig: hostedModelConfig,
BootstrapSeries: meta.Series,
AgentVersion: &bootVers,
AdminSecret: params.AdminSecret,
CAPrivateKey: meta.CAPrivateKey,
DialOpts: environs.BootstrapDialOpts{
Timeout: time.Second * bootstrap.DefaultBootstrapSSHTimeout,
RetryDelay: time.Second * bootstrap.DefaultBootstrapSSHRetryDelay,
AddressesDelay: time.Second * bootstrap.DefaultBootstrapSSHAddressesDelay,
},
}
if err := BootstrapFunc(modelcmd.BootstrapContext(ctx), env, args); err != nil {
return errors.Annotatef(err, "cannot bootstrap new instance")
}
// New controller is bootstrapped, so now record the API address so
// we can connect.
apiPort := params.ControllerConfig.APIPort()
err = common.SetBootstrapEndpointAddress(store, c.ControllerName(), bootVers, apiPort, env)
if err != nil {
return errors.Trace(err)
}
// To avoid race conditions when running scripted bootstraps, wait
// for the controller's machine agent to be ready to accept commands
// before exiting this bootstrap command.
return c.waitForAgentFunc(ctx, &c.ModelCommandBase, c.ControllerName(), "default")
}
func (s *JujuConnSuite) setUpConn(c *gc.C) {
if s.RootDir != "" {
c.Fatal("JujuConnSuite.setUpConn without teardown")
}
s.RootDir = c.MkDir()
s.oldHome = utils.Home()
home := filepath.Join(s.RootDir, "/home/ubuntu")
err := os.MkdirAll(home, 0777)
c.Assert(err, jc.ErrorIsNil)
utils.SetHome(home)
err = os.MkdirAll(filepath.Join(home, ".local", "share"), 0777)
c.Assert(err, jc.ErrorIsNil)
s.oldJujuXDGDataHome = osenv.SetJujuXDGDataHome(filepath.Join(home, ".local", "share", "juju"))
err = os.MkdirAll(osenv.JujuXDGDataHome(), 0777)
c.Assert(err, jc.ErrorIsNil)
err = os.MkdirAll(s.DataDir(), 0777)
c.Assert(err, jc.ErrorIsNil)
s.PatchEnvironment(osenv.JujuModelEnvKey, "admin")
cfg, err := config.New(config.UseDefaults, (map[string]interface{})(s.sampleConfig()))
c.Assert(err, jc.ErrorIsNil)
s.ControllerStore = jujuclient.NewFileClientStore()
ctx := testing.Context(c)
environ, err := environs.Prepare(
modelcmd.BootstrapContext(ctx),
s.ControllerStore,
environs.PrepareParams{
BaseConfig: cfg.AllAttrs(),
Credential: cloud.NewEmptyCredential(),
ControllerName: ControllerName,
CloudName: "dummy",
},
)
c.Assert(err, jc.ErrorIsNil)
// sanity check we've got the correct environment.
c.Assert(environ.Config().Name(), gc.Equals, "admin")
s.PatchValue(&dummy.DataDir, s.DataDir())
s.LogDir = c.MkDir()
s.PatchValue(&dummy.LogDir, s.LogDir)
versions := PreferredDefaultVersions(environ.Config(), version.Binary{
Number: jujuversion.Current,
Arch: "amd64",
Series: "precise",
})
current := version.Binary{
Number: jujuversion.Current,
Arch: arch.HostArch(),
Series: series.HostSeries(),
}
versions = append(versions, current)
// Upload tools for both preferred and fake default series
s.DefaultToolsStorageDir = c.MkDir()
s.PatchValue(&tools.DefaultBaseURL, s.DefaultToolsStorageDir)
stor, err := filestorage.NewFileStorageWriter(s.DefaultToolsStorageDir)
c.Assert(err, jc.ErrorIsNil)
// Upload tools to both release and devel streams since config will dictate that we
// end up looking in both places.
envtesting.AssertUploadFakeToolsVersions(c, stor, "released", "released", versions...)
envtesting.AssertUploadFakeToolsVersions(c, stor, "devel", "devel", versions...)
s.DefaultToolsStorage = stor
s.PatchValue(&juju.JujuPublicKey, sstesting.SignedMetadataPublicKey)
err = bootstrap.Bootstrap(modelcmd.BootstrapContext(ctx), environ, bootstrap.BootstrapParams{})
c.Assert(err, jc.ErrorIsNil)
s.BackingState = environ.(GetStater).GetStateInAPIServer()
s.State, err = newState(environ, s.BackingState.MongoConnectionInfo())
c.Assert(err, jc.ErrorIsNil)
apiInfo, err := environs.APIInfo(environ)
c.Assert(err, jc.ErrorIsNil)
apiInfo.Tag = s.AdminUserTag(c)
apiInfo.Password = environ.Config().AdminSecret()
s.APIState, err = api.Open(apiInfo, api.DialOpts{})
c.Assert(err, jc.ErrorIsNil)
err = s.State.SetAPIHostPorts(s.APIState.APIHostPorts())
c.Assert(err, jc.ErrorIsNil)
// Make sure the controller store has the controller api endpoint address set
controller, err := s.ControllerStore.ControllerByName(ControllerName)
c.Assert(err, jc.ErrorIsNil)
controller.APIEndpoints = []string{s.APIState.APIHostPorts()[0][0].String()}
err = s.ControllerStore.UpdateController(ControllerName, *controller)
c.Assert(err, jc.ErrorIsNil)
err = modelcmd.WriteCurrentController(ControllerName)
c.Assert(err, jc.ErrorIsNil)
s.Environ = environ
// Insert expected values...
servingInfo := state.StateServingInfo{
PrivateKey: testing.ServerKey,
Cert: testing.ServerCert,
CAPrivateKey: testing.CAKey,
SharedSecret: "really, really secret",
APIPort: 4321,
StatePort: 1234,
}
s.State.SetStateServingInfo(servingInfo)
}
