Example #1
0
func (c *ImageMetadataCommand) Run(context *cmd.Context) error {
	if err := c.setParams(context); err != nil {
		return err
	}
	out := context.Stdout
	im := &imagemetadata.ImageMetadata{
		Id:   c.ImageId,
		Arch: c.Arch,
	}
	cloudSpec := simplestreams.CloudSpec{
		Region:   c.Region,
		Endpoint: c.Endpoint,
	}
	targetStorage, err := filestorage.NewFileStorageWriter(c.Dir)
	if err != nil {
		return err
	}
	err = imagemetadata.MergeAndWriteMetadata(c.Series, []*imagemetadata.ImageMetadata{im}, &cloudSpec, targetStorage)
	if err != nil {
		return fmt.Errorf("image metadata files could not be created: %v", err)
	}
	dir := context.AbsPath(c.Dir)
	dest := filepath.Join(dir, storage.BaseImagesPath, "streams", "v1")
	fmt.Fprintf(out, fmt.Sprintf(helpDoc, dest, dir, dir))
	return nil
}
Example #2
0
func writeServerFile(endpointProvider EndpointProvider, ctx *cmd.Context, username, password, outPath string) error {
	outPath = ctx.AbsPath(outPath)
	endpoint, err := endpointProvider.ConnectionEndpoint()
	if err != nil {
		return errors.Trace(err)
	}
	if !names.IsValidUser(username) {
		return errors.Errorf("%q is not a valid username", username)
	}
	outputInfo := modelcmd.ServerFile{
		Username:  username,
		Password:  password,
		Addresses: endpoint.Addresses,
		CACert:    endpoint.CACert,
	}
	yaml, err := cmd.FormatYaml(outputInfo)
	if err != nil {
		return errors.Trace(err)
	}
	if err := ioutil.WriteFile(outPath, yaml, 0644); err != nil {
		return errors.Trace(err)
	}
	serverFileNotify(outPath)
	ctx.Infof("server file written to %s", outPath)
	return nil
}
Example #3
0
// Run connects to the specified environment and starts the charm
// upgrade process.
func (c *upgradeCharmCommand) Run(ctx *cmd.Context) error {
	client, err := c.NewAPIClient()
	if err != nil {
		return err
	}
	defer client.Close()
	oldURL, err := client.ServiceGetCharmURL(c.ServiceName)
	if err != nil {
		return err
	}

	conf, err := service.GetClientConfig(client)
	if err != nil {
		return errors.Trace(err)
	}

	var newRef *charm.Reference
	if c.SwitchURL != "" {
		newRef, err = charm.ParseReference(c.SwitchURL)
		if err != nil {
			return err
		}
	} else {
		// No new URL specified, but revision might have been.
		newRef = oldURL.WithRevision(c.Revision).Reference()
	}

	httpClient, err := c.HTTPClient()
	if err != nil {
		return errors.Trace(err)
	}
	csClient := newCharmStoreClient(httpClient)
	newURL, repo, err := resolveCharmStoreEntityURL(newRef.String(), csClient.params, ctx.AbsPath(c.RepoPath), conf)
	if err != nil {
		return errors.Trace(err)
	}

	// If no explicit revision was set with either SwitchURL
	// or Revision flags, discover the latest.
	if *newURL == *oldURL {
		if newRef.Revision != -1 {
			return fmt.Errorf("already running specified charm %q", newURL)
		}
		if newURL.Schema == "cs" {
			// No point in trying to upgrade a charm store charm when
			// we just determined that's the latest revision
			// available.
			return fmt.Errorf("already running latest charm %q", newURL)
		}
	}

	addedURL, err := addCharmViaAPI(client, newURL, repo, csClient)
	if err != nil {
		return block.ProcessBlockedError(err, block.BlockChange)
	}
	ctx.Infof("Added charm %q to the environment.", addedURL)

	return block.ProcessBlockedError(client.ServiceSetCharm(c.ServiceName, addedURL.String(), c.Force), block.BlockChange)
}
Example #4
0
// Run connects to the specified environment and starts the charm
// upgrade process.
func (c *upgradeCharmCommand) Run(ctx *cmd.Context) error {
	client, err := c.NewAPIClient()
	if err != nil {
		return err
	}
	defer client.Close()

	serviceClient, err := c.newServiceAPIClient()
	if err != nil {
		return err
	}

	oldURL, err := serviceClient.GetCharmURL(c.ServiceName)
	if err != nil {
		return err
	}

	newRef := c.SwitchURL
	if newRef == "" {
		newRef = c.CharmPath
	}
	if c.SwitchURL == "" && c.CharmPath == "" {
		// No new URL specified, but revision might have been.
		newRef = oldURL.WithRevision(c.Revision).String()
	}

	bakeryClient, err := c.BakeryClient()
	if err != nil {
		return errors.Trace(err)
	}
	csClient := newCharmStoreClient(bakeryClient).WithChannel(c.Channel)

	conf, err := getClientConfig(client)
	if err != nil {
		return errors.Trace(err)
	}
	resolver := newCharmURLResolver(conf, csClient, ctx.AbsPath(c.RepoPath))
	chID, csMac, err := c.addCharm(oldURL, newRef, client, resolver)
	if err != nil {
		return block.ProcessBlockedError(err, block.BlockChange)
	}
	ctx.Infof("Added charm %q to the model.", chID.URL)

	ids, err := c.upgradeResources(client, chID, csMac)
	if err != nil {
		return errors.Trace(err)
	}

	cfg := apiservice.SetCharmConfig{
		ServiceName: c.ServiceName,
		CharmID:     chID,
		ForceSeries: c.ForceSeries,
		ForceUnits:  c.ForceUnits,
		ResourceIDs: ids,
	}

	return block.ProcessBlockedError(serviceClient.SetCharm(cfg), block.BlockChange)
}
Example #5
0
func (c *signMetadataCommand) Run(context *cmd.Context) error {
	loggo.RegisterWriter("signmetadata", cmd.NewCommandLogWriter("juju.plugins.metadata", context.Stdout, context.Stderr), loggo.INFO)
	defer loggo.RemoveWriter("signmetadata")
	keyData, err := ioutil.ReadFile(c.keyFile)
	if err != nil {
		return err
	}
	dir := context.AbsPath(c.dir)
	return process(dir, string(keyData), c.passphrase)
}
Example #6
0
func (c *RpcCommand) Run(ctx *cmd.Context) error {
	if c.Value == "error" {
		return errors.New("blam")
	}
	if c.Slow {
		time.Sleep(testing.ShortWait)
		return nil
	}
	ctx.Stdout.Write([]byte("eye of newt\n"))
	ctx.Stderr.Write([]byte("toe of frog\n"))
	return ioutil.WriteFile(ctx.AbsPath("local"), []byte(c.Value), 0644)
}
Example #7
0
func (c *toolsMetadataCommand) Run(context *cmd.Context) error {
	loggo.RegisterWriter("toolsmetadata", cmd.NewCommandLogWriter("juju.environs.tools", context.Stdout, context.Stderr), loggo.INFO)
	defer loggo.RemoveWriter("toolsmetadata")
	if c.metadataDir == "" {
		c.metadataDir = osenv.JujuHome()
	} else {
		c.metadataDir = context.AbsPath(c.metadataDir)
	}

	sourceStorage, err := filestorage.NewFileStorageReader(c.metadataDir)
	if err != nil {
		return err
	}

	// We now store the tools in a directory named after their stream, but the
	// legacy behaviour is to store all tools in a single "releases" directory.
	toolsDir := c.stream
	if c.stream == "" {
		fmt.Fprintf(context.Stdout, "No stream specified, defaulting to released tools in the releases directory.\n")
		c.stream = envtools.ReleasedStream
		toolsDir = envtools.LegacyReleaseDirectory
	}
	fmt.Fprintf(context.Stdout, "Finding tools in %s for stream %s.\n", c.metadataDir, c.stream)
	const minorVersion = -1
	toolsList, err := envtools.ReadList(sourceStorage, toolsDir, version.Current.Major, minorVersion)
	if err == envtools.ErrNoTools {
		var source string
		source, err = envtools.ToolsURL(envtools.DefaultBaseURL)
		if err != nil {
			return err
		}
		sourceDataSource := simplestreams.NewURLDataSource("local source", source, utils.VerifySSLHostnames)
		toolsList, err = envtools.FindToolsForCloud(
			[]simplestreams.DataSource{sourceDataSource}, simplestreams.CloudSpec{}, c.stream,
			version.Current.Major, minorVersion, coretools.Filter{})
	}
	if err != nil {
		return err
	}

	targetStorage, err := filestorage.NewFileStorageWriter(c.metadataDir)
	if err != nil {
		return err
	}
	writeMirrors := envtools.DoNotWriteMirrors
	if c.public {
		writeMirrors = envtools.WriteMirrors
	}
	return mergeAndWriteMetadata(targetStorage, toolsDir, c.stream, c.clean, toolsList, writeMirrors)
}
Example #8
0
func (c *toolsMetadataCommand) Run(context *cmd.Context) error {
	writer := loggo.NewMinimumLevelWriter(
		cmd.NewCommandLogWriter("juju.environs.tools", context.Stdout, context.Stderr),
		loggo.INFO)
	loggo.RegisterWriter("toolsmetadata", writer)
	defer loggo.RemoveWriter("toolsmetadata")
	if c.metadataDir == "" {
		c.metadataDir = osenv.JujuXDGDataHomeDir()
	} else {
		c.metadataDir = context.AbsPath(c.metadataDir)
	}

	sourceStorage, err := filestorage.NewFileStorageReader(c.metadataDir)
	if err != nil {
		return err
	}

	// We now store the tools in a directory named after their stream, but the
	// legacy behaviour is to store all tools in a single "releases" directory.
	toolsDir := c.stream
	if c.stream == "" {
		fmt.Fprintln(context.Stdout, "No stream specified, defaulting to released tools in the releases directory.")
		c.stream = envtools.ReleasedStream
		toolsDir = envtools.LegacyReleaseDirectory
	}
	fmt.Fprintf(context.Stdout, "Finding tools in %s for stream %s.\n", c.metadataDir, c.stream)
	toolsList, err := envtools.ReadList(sourceStorage, toolsDir, -1, -1)
	if err == envtools.ErrNoTools {
		var source string
		source, err = envtools.ToolsURL(envtools.DefaultBaseURL)
		if err != nil {
			return err
		}
		toolsList, err = envtools.FindToolsForCloud(toolsDataSources(source), simplestreams.CloudSpec{}, c.stream, -1, -1, coretools.Filter{})
	}
	if err != nil {
		return err
	}

	targetStorage, err := filestorage.NewFileStorageWriter(c.metadataDir)
	if err != nil {
		return err
	}
	writeMirrors := envtools.DoNotWriteMirrors
	if c.public {
		writeMirrors = envtools.WriteMirrors
	}
	return mergeAndWriteMetadata(targetStorage, toolsDir, c.stream, c.clean, toolsList, writeMirrors)
}
Example #9
0
File: set.go Project: kapilt/juju
// readValue reads the value of an option out of the named file.
// An empty content is valid, like in parsing the options. The upper
// size is 5M.
func readValue(ctx *cmd.Context, filename string) (string, error) {
	absFilename := ctx.AbsPath(filename)
	fi, err := os.Stat(absFilename)
	if err != nil {
		return "", fmt.Errorf("cannot read option from file %q: %v", filename, err)
	}
	if fi.Size() > maxValueSize {
		return "", fmt.Errorf("size of option file is larger than 5M")
	}
	content, err := ioutil.ReadFile(ctx.AbsPath(filename))
	if err != nil {
		return "", fmt.Errorf("cannot read option from file %q: %v", filename, err)
	}
	return string(content), nil
}
Example #10
0
// ReadAttrs reads attributes from the specified files, and then overlays
// the results with the k=v attributes.
func (f *ConfigFlag) ReadAttrs(ctx *cmd.Context) (map[string]interface{}, error) {
	attrs := make(map[string]interface{})
	for _, f := range f.files {
		path, err := utils.NormalizePath(f)
		if err != nil {
			return nil, errors.Trace(err)
		}
		data, err := ioutil.ReadFile(ctx.AbsPath(path))
		if err != nil {
			return nil, errors.Trace(err)
		}
		if err := yaml.Unmarshal(data, &attrs); err != nil {
			return nil, err
		}
	}
	for k, v := range f.attrs {
		attrs[k] = v
	}
	return attrs, nil
}
Example #11
0
func (c *toolsMetadataCommand) Run(context *cmd.Context) error {
	writer := loggo.NewMinimumLevelWriter(
		cmd.NewCommandLogWriter("juju.environs.tools", context.Stdout, context.Stderr),
		loggo.INFO)
	loggo.RegisterWriter("toolsmetadata", writer)
	defer loggo.RemoveWriter("toolsmetadata")
	if c.metadataDir == "" {
		c.metadataDir = osenv.JujuXDGDataHomeDir()
	} else {
		c.metadataDir = context.AbsPath(c.metadataDir)
	}

	sourceStorage, err := filestorage.NewFileStorageReader(c.metadataDir)
	if err != nil {
		return errors.Trace(err)
	}

	fmt.Fprintf(context.Stdout, "Finding tools in %s for stream %s.\n", c.metadataDir, c.stream)
	toolsList, err := envtools.ReadList(sourceStorage, c.stream, -1, -1)
	if err == envtools.ErrNoTools {
		var source string
		source, err = envtools.ToolsURL(envtools.DefaultBaseURL)
		if err != nil {
			return errors.Trace(err)
		}
		toolsList, err = envtools.FindToolsForCloud(toolsDataSources(source), simplestreams.CloudSpec{}, c.stream, -1, -1, coretools.Filter{})
	}
	if err != nil {
		return errors.Trace(err)
	}

	targetStorage, err := filestorage.NewFileStorageWriter(c.metadataDir)
	if err != nil {
		return errors.Trace(err)
	}
	writeMirrors := envtools.DoNotWriteMirrors
	if c.public {
		writeMirrors = envtools.WriteMirrors
	}
	return errors.Trace(mergeAndWriteMetadata(targetStorage, c.stream, c.stream, c.clean, toolsList, writeMirrors))
}
Example #12
0
func (c *ToolsMetadataCommand) Run(context *cmd.Context) error {
	loggo.RegisterWriter("toolsmetadata", cmd.NewCommandLogWriter("juju.environs.tools", context.Stdout, context.Stderr), loggo.INFO)
	defer loggo.RemoveWriter("toolsmetadata")
	if c.metadataDir == "" {
		c.metadataDir = osenv.JujuHome()
	} else {
		c.metadataDir = context.AbsPath(c.metadataDir)
	}

	sourceStorage, err := filestorage.NewFileStorageReader(c.metadataDir)
	if err != nil {
		return err
	}
	fmt.Fprintf(context.Stdout, "Finding tools in %s\n", c.metadataDir)
	const minorVersion = -1
	toolsList, err := envtools.ReadList(sourceStorage, version.Current.Major, minorVersion)
	if err == envtools.ErrNoTools {
		var source string
		source, err = envtools.ToolsURL(envtools.DefaultBaseURL)
		if err != nil {
			return err
		}
		sourceDataSource := simplestreams.NewURLDataSource("local source", source, utils.VerifySSLHostnames)
		toolsList, err = envtools.FindToolsForCloud(
			[]simplestreams.DataSource{sourceDataSource}, simplestreams.CloudSpec{},
			version.Current.Major, minorVersion, coretools.Filter{})
	}
	if err != nil {
		return err
	}

	targetStorage, err := filestorage.NewFileStorageWriter(c.metadataDir)
	if err != nil {
		return err
	}
	writeMirrors := envtools.DoNotWriteMirrors
	if c.public {
		writeMirrors = envtools.WriteMirrors
	}
	return mergeAndWriteMetadata(targetStorage, toolsList, writeMirrors)
}
Example #13
0
File: dumplogs.go Project: bac/juju
func (c *dumpLogsCommand) dumpLogsForEnv(ctx *cmd.Context, st0 *state.State, tag names.ModelTag) error {
	st, err := st0.ForModel(tag)
	if err != nil {
		return errors.Annotate(err, "failed open model")
	}
	defer st.Close()

	logName := ctx.AbsPath(filepath.Join(c.outDir, fmt.Sprintf("%s.log", tag.Id())))
	ctx.Infof("writing to %s", logName)

	file, err := os.Create(logName)
	if err != nil {
		return errors.Annotate(err, "failed to open output file")
	}
	defer file.Close()

	writer := bufio.NewWriter(file)
	defer writer.Flush()

	tailer, err := state.NewLogTailer(st, &state.LogTailerParams{NoTail: true})
	if err != nil {
		return errors.Annotate(err, "failed to create a log tailer")
	}
	logs := tailer.Logs()
	for {
		rec, ok := <-logs
		if !ok {
			break
		}
		writer.WriteString(c.format(
			rec.Time,
			rec.Level,
			rec.Entity.String(),
			rec.Module,
			rec.Message,
		) + "\n")
	}

	return nil
}
Example #14
0
File: deploy.go Project: makyo/juju
func (c *DeployCommand) maybeReadLocalBundleData(ctx *cmd.Context) (
	_ *charm.BundleData, bundleFile string, bundleFilePath string, _ error,
) {
	bundleFile = c.CharmOrBundle
	bundleData, err := charmrepo.ReadBundleFile(bundleFile)
	if err == nil {
		// For local bundles, we extract the local path of
		// the bundle directory.
		bundleFilePath = filepath.Dir(ctx.AbsPath(bundleFile))
	} else {
		// We may have been given a local bundle archive or exploded directory.
		if bundle, burl, pathErr := charmrepo.NewBundleAtPath(bundleFile); pathErr == nil {
			bundleData = bundle.Data()
			bundleFile = burl.String()
			if info, err := os.Stat(bundleFile); err == nil && info.IsDir() {
				bundleFilePath = bundleFile
			}
			err = nil
		} else {
			err = pathErr
		}
	}
	return bundleData, bundleFile, bundleFilePath, err
}
Example #15
0
// 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()

	if len(c.seriesOld) > 0 {
		fmt.Fprintln(ctx.Stderr, "Use of --series is obsolete. --upload-tools now expands to all supported series of the same operating system.")
	}
	if len(c.Series) > 0 {
		fmt.Fprintln(ctx.Stderr, "Use of --upload-series is obsolete. --upload-tools now expands to all supported series of the same operating system.")
	}

	envName := getEnvName(c)
	if envName == "" {
		return errors.Errorf("the name of the environment 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 environment is not being destroyed.\n" +
					"When you are finished diagnosing the problem, remember to run juju destroy-environment --force\n" +
					"to clean up the environment.")
			} else {
				handleBootstrapError(ctx, resultErr, cleanup)
			}
		}
	}()

	// Handle any errors from environFromName(...).
	if err != nil {
		return errors.Annotatef(err, "there was an issue examining the environment")
	}

	// 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 environment is already bootstrapped. If you want to start a new Juju\nenvironment, first run juju destroy-environment to clean up, or switch to an\nalternative environment.")
			return err
		}
		return errors.Annotatef(err, "cannot determine if environment 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)
	}

	// TODO (wallyworld): 2013-09-20 bug 1227931
	// We can set a custom tools data source instead of doing an
	// unnecessary upload.
	if environ.Config().Type() == provider.Local {
		c.UploadTools = true
	}

	err = bootstrapFuncs.Bootstrap(envcmd.BootstrapContext(ctx), environ, bootstrap.BootstrapParams{
		Constraints:  c.Constraints,
		Placement:    c.Placement,
		UploadTools:  c.UploadTools,
		AgentVersion: c.AgentVersion,
		MetadataDir:  metadataDir,
	})
	if err != nil {
		return errors.Annotate(err, "failed to bootstrap environment")
	}
	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 state server's machine agent to be ready to accept commands
	// before exiting this bootstrap command.
	return c.waitForAgentInitialisation(ctx)
}
Example #16
0
func (c *DeployCommand) Run(ctx *cmd.Context) error {
	client, err := juju.NewAPIClientFromName(c.EnvName)
	if err != nil {
		return err
	}
	defer client.Close()

	attrs, err := client.EnvironmentGet()
	if err != nil {
		return err
	}
	conf, err := config.New(config.NoDefaults, attrs)
	if err != nil {
		return err
	}

	curl, err := resolveCharmURL(c.CharmName, client, conf)
	if err != nil {
		return err
	}

	repo, err := charm.InferRepository(curl.Reference, ctx.AbsPath(c.RepoPath))
	if err != nil {
		return err
	}

	repo = config.SpecializeCharmRepo(repo, conf)

	curl, err = addCharmViaAPI(client, ctx, curl, repo)
	if err != nil {
		return err
	}

	if c.BumpRevision {
		ctx.Infof("--upgrade (or -u) is deprecated and ignored; charms are always deployed with a unique revision.")
	}

	requestedNetworks, err := networkNamesToTags(parseNetworks(c.Networks))
	if err != nil {
		return err
	}
	// We need to ensure network names are valid below, but we don't need them here.
	_, err = networkNamesToTags(c.Constraints.IncludeNetworks())
	if err != nil {
		return err
	}
	_, err = networkNamesToTags(c.Constraints.ExcludeNetworks())
	if err != nil {
		return err
	}
	haveNetworks := len(requestedNetworks) > 0 || c.Constraints.HaveNetworks()

	charmInfo, err := client.CharmInfo(curl.String())
	if err != nil {
		return err
	}

	numUnits := c.NumUnits
	if charmInfo.Meta.Subordinate {
		if !constraints.IsEmpty(&c.Constraints) {
			return errors.New("cannot use --constraints with subordinate service")
		}
		if numUnits == 1 && c.ToMachineSpec == "" {
			numUnits = 0
		} else {
			return errors.New("cannot use --num-units or --to with subordinate service")
		}
	}
	serviceName := c.ServiceName
	if serviceName == "" {
		serviceName = charmInfo.Meta.Name
	}

	var configYAML []byte
	if c.Config.Path != "" {
		configYAML, err = c.Config.Read(ctx)
		if err != nil {
			return err
		}
	}
	err = client.ServiceDeployWithNetworks(
		curl.String(),
		serviceName,
		numUnits,
		string(configYAML),
		c.Constraints,
		c.ToMachineSpec,
		requestedNetworks,
	)
	if params.IsCodeNotImplemented(err) {
		if haveNetworks {
			return errors.New("cannot use --networks/--constraints networks=...: not supported by the API server")
		}
		err = client.ServiceDeploy(
			curl.String(),
			serviceName,
			numUnits,
			string(configYAML),
			c.Constraints,
			c.ToMachineSpec)
	}
	return err
}
Example #17
0
func NormaliseJenvPath(ctx *cmd.Context, outPath string) string {
	if !strings.HasSuffix(outPath, ".jenv") {
		outPath = outPath + ".jenv"
	}
	return ctx.AbsPath(outPath)
}
Example #18
0
// 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) {
	if err := c.parseConstraints(ctx); err != nil {
		return err
	}
	if c.BootstrapImage != "" {
		if c.BootstrapSeries == "" {
			return errors.Errorf("--bootstrap-image must be used with --bootstrap-series")
		}
		cons, err := constraints.Merge(c.Constraints, c.BootstrapConstraints)
		if err != nil {
			return errors.Trace(err)
		}
		if !cons.HasArch() {
			return errors.Errorf("--bootstrap-image must be used with --bootstrap-constraints, specifying architecture")
		}
	}
	if c.interactive {
		if err := c.runInteractive(ctx); err != nil {
			return errors.Trace(err)
		}
		// now run normal bootstrap using info gained above.
	}
	if c.showClouds {
		return printClouds(ctx, c.ClientStore())
	}
	if c.showRegionsForCloud != "" {
		return printCloudRegions(ctx, c.showRegionsForCloud)
	}

	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 := bootstrapFuncs.CloudRegionDetector(provider)
		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"))
		}
		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 c.Region != "" {
				ctx.Verbosef("interpreting %q as the cloud endpoint", c.Region)
				cloudEndpoint = c.Region
				c.Region = ""
			}
		} else if err != nil {
			return errors.Annotatef(err,
				"detecting regions for %q cloud provider",
				c.Cloud,
			)
		}
		schemas := provider.CredentialSchemas()
		authTypes := make([]jujucloud.AuthType, 0, len(schemas))
		for authType := range schemas {
			authTypes = append(authTypes, authType)
		}
		// Since we are iterating over a map, lets sort the authTypes so
		// they are always in a consistent order.
		sort.Sort(jujucloud.AuthTypes(authTypes))
		cloud = &jujucloud.Cloud{
			Type:      c.Cloud,
			AuthTypes: authTypes,
			Endpoint:  cloudEndpoint,
			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)
	}

	provider, err := environs.Provider(cloud.Type)
	if err != nil {
		return errors.Trace(err)
	}
	// Custom clouds may not have explicitly declared support for any auth-
	// types, in which case we'll assume that they support everything that
	// the provider supports.
	if len(cloud.AuthTypes) == 0 {
		for authType := range provider.CredentialSchemas() {
			cloud.AuthTypes = append(cloud.AuthTypes, authType)
		}
	}

	// Get the credentials and region name.
	store := c.ClientStore()
	var detectedCredentialName string
	credential, credentialName, regionName, err := modelcmd.GetCredentials(
		ctx, store, modelcmd.GetCredentialsParams{
			Cloud:          *cloud,
			CloudName:      c.Cloud,
			CloudRegion:    c.Region,
			CredentialName: c.CredentialName,
		},
	)
	if errors.Cause(err) == modelcmd.ErrMultipleCredentials {
		return ambiguousCredentialError
	}
	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 ambiguousDetectedCredentialError
		} else if err != nil {
			return errors.Trace(err)
		}
		// We have one credential so extract it from the map.
		var oneCredential jujucloud.Credential
		for detectedCredentialName, oneCredential = range detected.AuthCredentials {
		}
		credential = &oneCredential
		regionName = c.Region
		if regionName == "" {
			regionName = detected.DefaultRegion
		}
		logger.Debugf(
			"authenticating with region %q and credential %q (%v)",
			regionName, detectedCredentialName, credential.Label,
		)
		logger.Tracef("credential: %v", credential)
	} else if err != nil {
		return errors.Trace(err)
	}

	region, err := getRegion(cloud, c.Cloud, regionName)
	if err != nil {
		fmt.Fprintf(ctx.GetStderr(),
			"%s\n\nSpecify an alternative region, or try %q.",
			err, "juju update-clouds",
		)
		return cmd.ErrSilent
	}

	controllerModelUUID, err := utils.NewUUID()
	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 a model config, and split out any controller
	// and bootstrap config attributes.
	modelConfigAttrs := map[string]interface{}{
		"type":         cloud.Type,
		"name":         bootstrap.ControllerModelName,
		config.UUIDKey: controllerModelUUID.String(),
	}
	userConfigAttrs, err := c.config.ReadAttrs(ctx)
	if err != nil {
		return errors.Trace(err)
	}

	// The provider may define some custom attributes specific
	// to the provider. These will be added to the model config.
	providerAttrs := make(map[string]interface{})
	if ps, ok := provider.(config.ConfigSchemaSource); ok {
		for attr := range ps.ConfigSchema() {
			if v, ok := userConfigAttrs[attr]; ok {
				providerAttrs[attr] = v
			}
		}
		fields := schema.FieldMap(ps.ConfigSchema(), ps.ConfigDefaults())
		if coercedAttrs, err := fields.Coerce(providerAttrs, nil); err != nil {
			return errors.Annotatef(err, "invalid attribute value(s) for %v cloud", cloud.Type)
		} else {
			providerAttrs = coercedAttrs.(map[string]interface{})
		}
	}
	logger.Debugf("provider attrs: %v", providerAttrs)
	for k, v := range userConfigAttrs {
		modelConfigAttrs[k] = v
	}
	// Provider specific attributes are either already specified in model
	// config (but may have been coerced), or were not present. Either way,
	// copy them in.
	for k, v := range providerAttrs {
		modelConfigAttrs[k] = v
	}
	bootstrapConfigAttrs := make(map[string]interface{})
	controllerConfigAttrs := make(map[string]interface{})
	// Based on the attribute names in clouds.yaml, create
	// a map of shared config for all models on this cloud.
	inheritedControllerAttrs := make(map[string]interface{})
	for k, v := range cloud.Config {
		switch {
		case bootstrap.IsBootstrapAttribute(k):
			bootstrapConfigAttrs[k] = v
			continue
		case controller.ControllerOnlyAttribute(k):
			controllerConfigAttrs[k] = v
			continue
		}
		inheritedControllerAttrs[k] = v
	}
	for k, v := range modelConfigAttrs {
		switch {
		case bootstrap.IsBootstrapAttribute(k):
			bootstrapConfigAttrs[k] = v
			delete(modelConfigAttrs, k)
		case controller.ControllerOnlyAttribute(k):
			controllerConfigAttrs[k] = v
			delete(modelConfigAttrs, k)
		}
	}
	bootstrapConfig, err := bootstrap.NewConfig(bootstrapConfigAttrs)
	if err != nil {
		return errors.Annotate(err, "constructing bootstrap config")
	}
	controllerConfig, err := controller.NewConfig(
		controllerUUID.String(), bootstrapConfig.CACert, controllerConfigAttrs,
	)
	if err != nil {
		return errors.Annotate(err, "constructing controller config")
	}
	if err := common.FinalizeAuthorizedKeys(ctx, modelConfigAttrs); err != nil {
		return errors.Annotate(err, "finalizing authorized-keys")
	}
	logger.Debugf("preparing controller with config: %v", modelConfigAttrs)

	// Read existing current controller so we can clean up on error.
	var oldCurrentController string
	oldCurrentController, err = store.CurrentController()
	if errors.IsNotFound(err) {
		oldCurrentController = ""
	} else if err != nil {
		return errors.Annotate(err, "error reading current controller")
	}

	defer func() {
		if resultErr == nil || errors.IsAlreadyExists(resultErr) {
			return
		}
		if oldCurrentController != "" {
			if err := store.SetCurrentController(oldCurrentController); err != nil {
				logger.Errorf(
					"cannot reset current controller to %q: %v",
					oldCurrentController, err,
				)
			}
		}
		if err := store.RemoveController(c.controllerName); err != nil {
			logger.Errorf(
				"cannot destroy newly created controller %q details: %v",
				c.controllerName, err,
			)
		}
	}()

	bootstrapModelConfig := make(map[string]interface{})
	for k, v := range inheritedControllerAttrs {
		bootstrapModelConfig[k] = v
	}
	for k, v := range modelConfigAttrs {
		bootstrapModelConfig[k] = v
	}
	// Add in any default attribute values if not already
	// specified, making the recorded bootstrap config
	// immutable to changes in Juju.
	for k, v := range config.ConfigDefaults() {
		if _, ok := bootstrapModelConfig[k]; !ok {
			bootstrapModelConfig[k] = v
		}
	}

	environ, err := bootstrapPrepare(
		modelcmd.BootstrapContext(ctx), store,
		bootstrap.PrepareParams{
			ModelConfig:      bootstrapModelConfig,
			ControllerConfig: controllerConfig,
			ControllerName:   c.controllerName,
			Cloud: environs.CloudSpec{
				Type:             cloud.Type,
				Name:             c.Cloud,
				Region:           region.Name,
				Endpoint:         region.Endpoint,
				IdentityEndpoint: region.IdentityEndpoint,
				StorageEndpoint:  region.StorageEndpoint,
				Credential:       credential,
			},
			CredentialName: credentialName,
			AdminSecret:    bootstrapConfig.AdminSecret,
		},
	)
	if err != nil {
		return errors.Trace(err)
	}

	// Set the current model to the initial hosted model.
	if err := store.UpdateModel(c.controllerName, c.hostedModelName, jujuclient.ModelDetails{
		hostedModelUUID.String(),
	}); err != nil {
		return errors.Trace(err)
	}
	if err := store.SetCurrentModel(c.controllerName, c.hostedModelName); err != nil {
		return errors.Trace(err)
	}

	// Set the current controller so "juju status" can be run while
	// bootstrapping is underway.
	if err := store.SetCurrentController(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 {
				ctx.Infof(`
bootstrap failed but --keep-broken was specified so resources are not being destroyed.
When you have finished diagnosing the problem, remember to clean up the failed controller.
See `[1:] + "`juju kill-controller`" + `.`)
			} 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(),
	}
	for k, v := range inheritedControllerAttrs {
		hostedModelConfig[k] = v
	}

	// 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.
	controllerModelConfigAttrs := environ.Config().AllAttrs()
	for k, v := range userConfigAttrs {
		if _, ok := controllerModelConfigAttrs[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.AuthorizedKeysKey)
	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()
	}

	if credentialName == "" {
		// credentialName will be empty if the credential was detected.
		// We must supply a name for the credential in the database,
		// so choose one.
		credentialName = detectedCredentialName
	}

	err = bootstrapFuncs.Bootstrap(modelcmd.BootstrapContext(ctx), environ, bootstrap.BootstrapParams{
		ModelConstraints:          c.Constraints,
		BootstrapConstraints:      bootstrapConstraints,
		BootstrapSeries:           c.BootstrapSeries,
		BootstrapImage:            c.BootstrapImage,
		Placement:                 c.Placement,
		BuildAgent:                c.BuildAgent,
		BuildAgentTarball:         sync.BuildAgentTarball,
		AgentVersion:              c.AgentVersion,
		MetadataDir:               metadataDir,
		Cloud:                     *cloud,
		CloudName:                 c.Cloud,
		CloudRegion:               region.Name,
		CloudCredential:           credential,
		CloudCredentialName:       credentialName,
		ControllerConfig:          controllerConfig,
		ControllerInheritedConfig: inheritedControllerAttrs,
		RegionInheritedConfig:     cloud.RegionConfig,
		HostedModelConfig:         hostedModelConfig,
		GUIDataSourceBaseURL:      guiDataSourceBaseURL,
		AdminSecret:               bootstrapConfig.AdminSecret,
		CAPrivateKey:              bootstrapConfig.CAPrivateKey,
		DialOpts: environs.BootstrapDialOpts{
			Timeout:        bootstrapConfig.BootstrapTimeout,
			RetryDelay:     bootstrapConfig.BootstrapRetryDelay,
			AddressesDelay: bootstrapConfig.BootstrapAddressesDelay,
		},
	})
	if err != nil {
		return errors.Annotate(err, "failed to bootstrap model")
	}

	if err := c.SetModelName(modelcmd.JoinModelName(c.controllerName, c.hostedModelName)); err != nil {
		return errors.Trace(err)
	}

	agentVersion := jujuversion.Current
	if c.AgentVersion != nil {
		agentVersion = *c.AgentVersion
	}
	err = common.SetBootstrapEndpointAddress(c.ClientStore(), c.controllerName, agentVersion, controllerConfig.APIPort(), 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 waitForAgentInitialisation(ctx, &c.ModelCommandBase, c.controllerName, c.hostedModelName)
}
Example #19
0
func (c *DeployCommand) deployCharmOrBundle(ctx *cmd.Context, client *api.Client) error {
	deployer := serviceDeployer{ctx, c.newServiceAPIClient, c.newAnnotationsAPIClient}

	// We may have been given a local bundle file.
	bundlePath := c.CharmOrBundle
	bundleData, err := charmrepo.ReadBundleFile(bundlePath)
	if err != nil {
		// We may have been given a local bundle archive or exploded directory.
		if bundle, burl, pathErr := charmrepo.NewBundleAtPath(bundlePath); err == nil {
			bundleData = bundle.Data()
			bundlePath = burl.String()
			err = pathErr
		}
	}
	// If not a bundle then maybe a local charm.
	if err != nil {
		// Charm may have been supplied via a path reference.
		ch, curl, charmErr := charmrepo.NewCharmAtPathForceSeries(c.CharmOrBundle, c.Series, c.Force)
		if charmErr == nil {
			if curl, charmErr = client.AddLocalCharm(curl, ch); charmErr != nil {
				return charmErr
			}
			return c.deployCharm(curl, curl.Series, ctx, client, &deployer)
		}
		// We check for several types of known error which indicate
		// that the supplied reference was indeed a path but there was
		// an issue reading the charm located there.
		if charm.IsMissingSeriesError(charmErr) {
			return charmErr
		}
		if charm.IsUnsupportedSeriesError(charmErr) {
			return errors.Errorf("%v. Use --force to deploy the charm anyway.", charmErr)
		}
		err = charmErr
	}
	if _, ok := err.(*charmrepo.NotFoundError); ok {
		return errors.Errorf("no charm or bundle found at %q", c.CharmOrBundle)
	}
	// If we get a "not exists" error then we attempt to interpret the supplied
	// charm or bundle reference as a URL below, otherwise we return the error.
	if err != nil && err != os.ErrNotExist {
		return err
	}

	repoPath := ctx.AbsPath(c.RepoPath)
	conf, err := getClientConfig(client)
	if err != nil {
		return err
	}

	httpClient, err := c.HTTPClient()
	if err != nil {
		return errors.Trace(err)
	}
	csClient := newCharmStoreClient(httpClient)

	var charmOrBundleURL *charm.URL
	var repo charmrepo.Interface
	var supportedSeries []string
	// If we don't already have a bundle loaded, we try the charm store for a charm or bundle.
	if bundleData == nil {
		// Charm or bundle has been supplied as a URL so we resolve and deploy using the store.
		charmOrBundleURL, supportedSeries, repo, err = resolveCharmStoreEntityURL(resolveCharmStoreEntityParams{
			urlStr:          c.CharmOrBundle,
			requestedSeries: c.Series,
			forceSeries:     c.Force,
			csParams:        csClient.params,
			repoPath:        repoPath,
			conf:            conf,
		})
		if charm.IsUnsupportedSeriesError(err) {
			return errors.Errorf("%v. Use --force to deploy the charm anyway.", err)
		}
		if err != nil {
			return errors.Trace(err)
		}
		if charmOrBundleURL.Series == "bundle" {
			// Load the bundle entity.
			bundle, err := repo.GetBundle(charmOrBundleURL)
			if err != nil {
				return errors.Trace(err)
			}
			bundleData = bundle.Data()
			bundlePath = charmOrBundleURL.String()
		}
	}
	// Handle a bundle.
	if bundleData != nil {
		if flags := getFlags(c.flagSet, charmOnlyFlags); len(flags) > 0 {
			return errors.Errorf("Flags provided but not supported when deploying a bundle: %s.", strings.Join(flags, ", "))
		}
		if err := deployBundle(
			bundleData, client, &deployer, csClient,
			repoPath, conf, ctx, c.BundleStorage,
		); err != nil {
			return errors.Trace(err)
		}
		ctx.Infof("deployment of bundle %q completed", bundlePath)
		return nil
	}
	// Handle a charm.
	if flags := getFlags(c.flagSet, bundleOnlyFlags); len(flags) > 0 {
		return errors.Errorf("Flags provided but not supported when deploying a charm: %s.", strings.Join(flags, ", "))
	}
	// Get the series to use.
	series, message, err := charmSeries(c.Series, charmOrBundleURL.Series, supportedSeries, c.Force, conf)
	if charm.IsUnsupportedSeriesError(err) {
		return errors.Errorf("%v. Use --force to deploy the charm anyway.", err)
	}
	// Store the charm in state.
	curl, err := addCharmFromURL(client, charmOrBundleURL, repo, csClient)
	if err != nil {
		if err1, ok := errors.Cause(err).(*termsRequiredError); ok {
			terms := strings.Join(err1.Terms, " ")
			return errors.Errorf(`Declined: please agree to the following terms %s. Try: "juju agree %s"`, terms, terms)
		}
		return errors.Annotatef(err, "storing charm for URL %q", charmOrBundleURL)
	}
	ctx.Infof("Added charm %q to the model.", curl)
	ctx.Infof("Deploying charm %q %v.", curl, fmt.Sprintf(message, series))
	return c.deployCharm(curl, series, ctx, client, &deployer)
}
Example #20
0
func (c *DeployCommand) Run(ctx *cmd.Context) error {
	client, err := c.NewAPIClient()
	if err != nil {
		return err
	}
	defer client.Close()

	conf, err := service.GetClientConfig(client)
	if err != nil {
		return err
	}

	if err := c.CheckProvider(conf); err != nil {
		return err
	}

	csClient, err := newCharmStoreClient()
	if err != nil {
		return errors.Trace(err)
	}
	defer csClient.jar.Save()
	curl, repo, err := resolveCharmURL(c.CharmName, csClient.params, ctx.AbsPath(c.RepoPath), conf)
	if err != nil {
		return errors.Trace(err)
	}

	curl, err = addCharmViaAPI(client, ctx, curl, repo, csClient)
	if err != nil {
		return block.ProcessBlockedError(err, block.BlockChange)
	}

	if c.BumpRevision {
		ctx.Infof("--upgrade (or -u) is deprecated and ignored; charms are always deployed with a unique revision.")
	}

	charmInfo, err := client.CharmInfo(curl.String())
	if err != nil {
		return err
	}

	numUnits := c.NumUnits
	if charmInfo.Meta.Subordinate {
		if !constraints.IsEmpty(&c.Constraints) {
			return errors.New("cannot use --constraints with subordinate service")
		}
		if numUnits == 1 && c.PlacementSpec == "" {
			numUnits = 0
		} else {
			return errors.New("cannot use --num-units or --to with subordinate service")
		}
	}
	serviceName := c.ServiceName
	if serviceName == "" {
		serviceName = charmInfo.Meta.Name
	}

	var configYAML []byte
	if c.Config.Path != "" {
		configYAML, err = c.Config.Read(ctx)
		if err != nil {
			return err
		}
	}

	// If storage or placement is specified, we attempt to use a new API on the service facade.
	if len(c.Storage) > 0 || len(c.Placement) > 0 {
		notSupported := errors.New("cannot deploy charms with storage or placement: not supported by the API server")
		serviceClient, err := c.newServiceAPIClient()
		if err != nil {
			return notSupported
		}
		defer serviceClient.Close()
		for i, p := range c.Placement {
			if p.Scope == "env-uuid" {
				p.Scope = serviceClient.EnvironmentUUID()
			}
			c.Placement[i] = p
		}
		err = serviceClient.ServiceDeploy(
			curl.String(),
			serviceName,
			numUnits,
			string(configYAML),
			c.Constraints,
			c.PlacementSpec,
			c.Placement,
			[]string{},
			c.Storage,
		)
		if params.IsCodeNotImplemented(err) {
			return notSupported
		}
		return block.ProcessBlockedError(err, block.BlockChange)
	}

	if len(c.Networks) > 0 {
		ctx.Infof("use of --networks is deprecated and is ignored. Please use spaces to manage placement within networks")
	}

	err = client.ServiceDeploy(
		curl.String(),
		serviceName,
		numUnits,
		string(configYAML),
		c.Constraints,
		c.PlacementSpec)

	if err != nil {
		return block.ProcessBlockedError(err, block.BlockChange)
	}

	state, err := c.NewAPIRoot()
	if err != nil {
		return err
	}
	err = registerMeteredCharm(c.RegisterURL, state, csClient.jar, curl.String(), serviceName, client.EnvironmentUUID())
	if params.IsCodeNotImplemented(err) {
		// The state server is too old to support metering.  Warn
		// the user, but don't return an error.
		logger.Warningf("current state server version does not support charm metering")
		return nil
	}

	return block.ProcessBlockedError(err, block.BlockChange)
}
Example #21
0
// 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()

	if len(c.seriesOld) > 0 {
		fmt.Fprintln(ctx.Stderr, "Use of --series is deprecated. Please use --upload-series instead.")
	}

	if c.ConnectionName() == "" {
		return fmt.Errorf("the name of the environment must be specified")
	}

	environ, cleanup, err := environFromName(ctx, c.ConnectionName(), "Bootstrap")
	if err != nil {
		return errors.Annotatef(err, "there was an issue examining the environment")
	}

	// If we error out for any reason, clean up the environment.
	defer func() {
		if resultErr != nil {
			cleanup()
		}
	}()

	// We want to validate constraints early. However, if a custom image metadata
	// source is specified, we can't validate the arch because that depends on what
	// images metadata is to be uploaded. So we validate here if no custom metadata
	// source is specified, and defer till later if not.
	if c.MetadataSource == "" {
		if err := validateConstraints(c.Constraints, environ); err != nil {
			return err
		}
	}

	// 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 environment is already bootstrapped. If you want to start a new Juju\nenvironment, first run juju destroy-environment to clean up, or switch to an\nalternative environment.")
			return err
		}
		return errors.Annotatef(err, "cannot determine if environment 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.
	if c.MetadataSource != "" {
		metadataDir := ctx.AbsPath(c.MetadataSource)
		if err := uploadCustomMetadata(metadataDir, environ); err != nil {
			return err
		}
		if err := validateConstraints(c.Constraints, environ); err != nil {
			return err
		}
	}
	// TODO (wallyworld): 2013-09-20 bug 1227931
	// We can set a custom tools data source instead of doing an
	// unnecessary upload.
	if environ.Config().Type() == provider.Local {
		c.UploadTools = true
	}
	if c.UploadTools {
		err = bootstrapFuncs.UploadTools(ctx, environ, c.Constraints.Arch, true, c.Series...)
		if err != nil {
			return err
		}
	}
	return bootstrapFuncs.Bootstrap(ctx, environ, environs.BootstrapParams{
		Constraints: c.Constraints,
		Placement:   c.Placement,
	})
}
Example #22
0
// 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)
}
Example #23
0
func (c *ConfigCommand) ReadConfig(ctx *cmd.Context) (err error) {
	c.Config, err = charmstore.ReadConfig(ctx.AbsPath(c.ConfigPath))
	return err
}
Example #24
0
// addCharm interprets the new charmRef and adds the specified charm if the new charm is different
// to what's already deployed as specified by oldURL.
func (c *upgradeCharmCommand) addCharm(oldURL *charm.URL, charmRef string, ctx *cmd.Context,
	client *api.Client, csClient *csClient,
) (*charm.URL, error) {
	// Charm may have been supplied via a path reference.
	ch, newURL, err := charmrepo.NewCharmAtPathForceSeries(charmRef, oldURL.Series, c.ForceSeries)
	if err == nil {
		_, newName := filepath.Split(charmRef)
		if newName != oldURL.Name {
			return nil, fmt.Errorf("cannot upgrade %q to %q", oldURL.Name, newName)
		}
		return client.AddLocalCharm(newURL, ch)
	}
	if _, ok := err.(*charmrepo.NotFoundError); ok {
		return nil, errors.Errorf("no charm found at %q", charmRef)
	}
	// If we get a "not exists" or invalid path error then we attempt to interpret
	// the supplied charm reference as a URL below, otherwise we return the error.
	if err != os.ErrNotExist && !charmrepo.IsInvalidPathError(err) {
		return nil, err
	}

	// Charm has been supplied as a URL so we resolve and deploy using the store.
	conf, err := getClientConfig(client)
	if err != nil {
		return nil, err
	}

	newURL, supportedSeries, repo, err := resolveCharmStoreEntityURL(resolveCharmStoreEntityParams{
		urlStr:          charmRef,
		requestedSeries: oldURL.Series,
		forceSeries:     c.ForceSeries,
		csParams:        csClient.params,
		repoPath:        ctx.AbsPath(c.RepoPath),
		conf:            conf,
	})
	if err != nil {
		return nil, errors.Trace(err)
	}
	if !c.ForceSeries && oldURL.Series != "" && newURL.Series == "" && !isSeriesSupported(oldURL.Series, supportedSeries) {
		series := []string{"no series"}
		if len(supportedSeries) > 0 {
			series = supportedSeries
		}
		return nil, errors.Errorf(
			"cannot upgrade from single series %q charm to a charm supporting %q. Use --force-series to override.",
			oldURL.Series, series,
		)
	}
	// If no explicit revision was set with either SwitchURL
	// or Revision flags, discover the latest.
	if *newURL == *oldURL {
		newRef, _ := charm.ParseURL(charmRef)
		if newRef.Revision != -1 {
			return nil, fmt.Errorf("already running specified charm %q", newURL)
		}
		if newURL.Schema == "cs" {
			// No point in trying to upgrade a charm store charm when
			// we just determined that's the latest revision
			// available.
			return nil, fmt.Errorf("already running latest charm %q", newURL)
		}
	}

	addedURL, err := addCharmFromURL(client, newURL, repo, csClient)
	if err != nil {
		return nil, err
	}
	ctx.Infof("Added charm %q to the model.", addedURL)
	return addedURL, nil
}
Example #25
0
func (c *publishCommand) Run(ctx *cmd.Context) (err error) {
	branch := bzr.New(ctx.AbsPath(c.CharmPath))
	if _, err := os.Stat(branch.Join(".bzr")); err != nil {
		return fmt.Errorf("not a charm branch: %s", branch.Location())
	}
	if err := branch.CheckClean(); err != nil {
		return err
	}

	var curl *charm.URL
	if c.URL == "" {
		if err == nil {
			loc, err := branch.PushLocation()
			if err != nil {
				return fmt.Errorf("no charm URL provided and cannot infer from current directory (no push location)")
			}
			curl, err = charmrepo.LegacyStore.CharmURL(loc)
			if err != nil {
				return fmt.Errorf("cannot infer charm URL from branch location: %q", loc)
			}
		}
	} else {
		ref, err := charm.ParseReference(c.URL)
		if err != nil {
			return err
		}
		curl, err = ref.URL("")
		if err != nil {
			return err
		}
	}

	pushLocation := charmrepo.LegacyStore.BranchLocation(curl)
	if c.changePushLocation != nil {
		pushLocation = c.changePushLocation(pushLocation)
	}

	repo, err := charmrepo.LegacyInferRepository(curl.Reference(), "/not/important")
	if err != nil {
		return err
	}
	if repo != charmrepo.LegacyStore {
		return fmt.Errorf("charm URL must reference the juju charm store")
	}

	localDigest, err := branch.RevisionId()
	if err != nil {
		return fmt.Errorf("cannot obtain local digest: %v", err)
	}
	logger.Infof("local digest is %s", localDigest)

	ch, err := charm.ReadCharmDir(branch.Location())
	if err != nil {
		return err
	}
	if ch.Meta().Name != curl.Name {
		return fmt.Errorf("charm name in metadata must match name in URL: %q != %q", ch.Meta().Name, curl.Name)
	}

	oldEvent, err := charmrepo.LegacyStore.Event(curl, localDigest)
	if _, ok := err.(*charmrepo.NotFoundError); ok {
		oldEvent, err = charmrepo.LegacyStore.Event(curl, "")
		if _, ok := err.(*charmrepo.NotFoundError); ok {
			logger.Infof("charm %s is not yet in the store", curl)
			err = nil
		}
	}
	if err != nil {
		return fmt.Errorf("cannot obtain event details from the store: %s", err)
	}

	if oldEvent != nil && oldEvent.Digest == localDigest {
		return handleEvent(ctx, curl, oldEvent)
	}

	logger.Infof("sending charm to the charm store...")

	err = branch.Push(&bzr.PushAttr{Location: pushLocation, Remember: true})
	if err != nil {
		return err
	}
	logger.Infof("charm sent; waiting for it to be published...")
	for {
		time.Sleep(c.pollDelay)
		newEvent, err := charmrepo.LegacyStore.Event(curl, "")
		if _, ok := err.(*charmrepo.NotFoundError); ok {
			continue
		}
		if err != nil {
			return fmt.Errorf("cannot obtain event details from the store: %s", err)
		}
		if oldEvent != nil && oldEvent.Digest == newEvent.Digest {
			continue
		}
		if newEvent.Digest != localDigest {
			// TODO Check if the published digest is in the local history.
			return fmt.Errorf("charm changed but not to local charm digest; publishing race?")
		}
		return handleEvent(ctx, curl, newEvent)
	}
}
Example #26
0
func (c *deployCommand) Run(ctx *cmd.Context) error {
	client, err := c.NewAPIClient()
	if err != nil {
		return err
	}
	defer client.Close()

	conf, err := service.GetClientConfig(client)
	if err != nil {
		return err
	}

	if err := c.CheckProvider(conf); err != nil {
		return err
	}

	httpClient, err := c.HTTPClient()
	if err != nil {
		return errors.Trace(err)
	}
	csClient := newCharmStoreClient(httpClient)
	repoPath := ctx.AbsPath(c.RepoPath)

	// Handle local bundle paths.
	f, err := os.Open(c.CharmOrBundle)
	if err == nil {
		defer f.Close()
		info, err := f.Stat()
		if err != nil {
			return block.ProcessBlockedError(err, block.BlockChange)
		}
		if info.IsDir() {
			return errors.New("deployment of bundle directories not yet supported")
		}
		bundleData, err := charm.ReadBundleData(f)
		if err != nil {
			return block.ProcessBlockedError(err, block.BlockChange)
		}
		if err := deployBundle(bundleData, client, csClient, repoPath, conf, ctx); err != nil {
			return block.ProcessBlockedError(err, block.BlockChange)
		}
		ctx.Infof("deployment of bundle %q completed", f.Name())
		return nil
	} else if !os.IsNotExist(err) {
		logger.Warningf("cannot open %q: %v; falling back to using charm repository", c.CharmOrBundle, err)
	}

	curl, repo, err := resolveCharmStoreEntityURL(c.CharmOrBundle, csClient.params, repoPath, conf)
	if err != nil {
		return errors.Trace(err)
	}

	// Handle bundle URLs.
	if curl.Series == "bundle" {
		// Deploy a bundle entity.
		bundle, err := repo.GetBundle(curl)
		if err != nil {
			return block.ProcessBlockedError(err, block.BlockChange)
		}
		if err := deployBundle(bundle.Data(), client, csClient, repoPath, conf, ctx); err != nil {
			return block.ProcessBlockedError(err, block.BlockChange)
		}
		ctx.Infof("deployment of bundle %q completed", curl)
		return nil
	}

	curl, err = addCharmViaAPI(client, curl, repo, csClient)
	if err != nil {
		return block.ProcessBlockedError(err, block.BlockChange)
	}
	ctx.Infof("Added charm %q to the environment.", curl)

	if c.BumpRevision {
		ctx.Infof("--upgrade (or -u) is deprecated and ignored; charms are always deployed with a unique revision.")
	}

	charmInfo, err := client.CharmInfo(curl.String())
	if err != nil {
		return err
	}

	numUnits := c.NumUnits
	if charmInfo.Meta.Subordinate {
		if !constraints.IsEmpty(&c.Constraints) {
			return errors.New("cannot use --constraints with subordinate service")
		}
		if numUnits == 1 && c.PlacementSpec == "" {
			numUnits = 0
		} else {
			return errors.New("cannot use --num-units or --to with subordinate service")
		}
	}
	serviceName := c.ServiceName
	if serviceName == "" {
		serviceName = charmInfo.Meta.Name
	}

	var configYAML []byte
	if c.Config.Path != "" {
		configYAML, err = c.Config.Read(ctx)
		if err != nil {
			return err
		}
	}

	// If storage or placement is specified, we attempt to use a new API on the service facade.
	if len(c.Storage) > 0 || len(c.Placement) > 0 {
		notSupported := errors.New("cannot deploy charms with storage or placement: not supported by the API server")
		serviceClient, err := c.newServiceAPIClient()
		if err != nil {
			return notSupported
		}
		defer serviceClient.Close()
		for i, p := range c.Placement {
			if p.Scope == "env-uuid" {
				p.Scope = serviceClient.EnvironmentUUID()
			}
			c.Placement[i] = p
		}
		err = serviceClient.ServiceDeploy(
			curl.String(),
			serviceName,
			numUnits,
			string(configYAML),
			c.Constraints,
			c.PlacementSpec,
			c.Placement,
			[]string{},
			c.Storage,
		)
		if params.IsCodeNotImplemented(err) {
			return notSupported
		}
		return block.ProcessBlockedError(err, block.BlockChange)
	}

	if len(c.Networks) > 0 {
		ctx.Infof("use of --networks is deprecated and is ignored. Please use spaces to manage placement within networks")
	}

	err = client.ServiceDeploy(
		curl.String(),
		serviceName,
		numUnits,
		string(configYAML),
		c.Constraints,
		c.PlacementSpec)

	if err != nil {
		return block.ProcessBlockedError(err, block.BlockChange)
	}

	state, err := c.NewAPIRoot()
	if err != nil {
		return err
	}
	err = registerMeteredCharm(c.RegisterURL, state, httpClient, curl.String(), serviceName, client.EnvironmentUUID())
	if params.IsCodeNotImplemented(err) {
		// The state server is too old to support metering.  Warn
		// the user, but don't return an error.
		logger.Warningf("current state server version does not support charm metering")
		return nil
	}

	return block.ProcessBlockedError(err, block.BlockChange)
}
Example #27
0
// Run connects to the specified environment and starts the charm
// upgrade process.
func (c *UpgradeCharmCommand) Run(ctx *cmd.Context) error {
	client, err := c.NewAPIClient()
	if err != nil {
		return err
	}
	defer client.Close()
	oldURL, err := client.ServiceGetCharmURL(c.ServiceName)
	if err != nil {
		return err
	}

	attrs, err := client.EnvironmentGet()
	if err != nil {
		return err
	}
	conf, err := config.New(config.NoDefaults, attrs)
	if err != nil {
		return err
	}

	var newURL *charm.URL
	if c.SwitchURL != "" {
		newURL, err = resolveCharmURL(c.SwitchURL, client, conf)
		if err != nil {
			return err
		}
	} else {
		// No new URL specified, but revision might have been.
		newURL = oldURL.WithRevision(c.Revision)
	}

	repo, err := charm.InferRepository(newURL.Reference(), ctx.AbsPath(c.RepoPath))
	if err != nil {
		return err
	}
	repo = config.SpecializeCharmRepo(repo, conf)

	// If no explicit revision was set with either SwitchURL
	// or Revision flags, discover the latest.
	explicitRevision := true
	if newURL.Revision == -1 {
		explicitRevision = false
		latest, err := charm.Latest(repo, newURL)
		if err != nil {
			return err
		}
		newURL = newURL.WithRevision(latest)
	}
	if *newURL == *oldURL {
		if explicitRevision {
			return fmt.Errorf("already running specified charm %q", newURL)
		} else if newURL.Schema == "cs" {
			// No point in trying to upgrade a charm store charm when
			// we just determined that's the latest revision
			// available.
			return fmt.Errorf("already running latest charm %q", newURL)
		}
	}

	addedURL, err := addCharmViaAPI(client, ctx, newURL, repo)
	if err != nil {
		return err
	}

	return client.ServiceSetCharm(c.ServiceName, addedURL.String(), c.Force)
}
Example #28
0
// 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)
}
Example #29
0
func (c *DeployCommand) Run(ctx *cmd.Context) error {
	client, err := c.NewAPIClient()
	if err != nil {
		return err
	}
	defer client.Close()

	conf, err := service.GetClientConfig(client)
	if err != nil {
		return err
	}

	if err := c.CheckProvider(conf); err != nil {
		return err
	}

	csClient, err := newCharmStoreClient()
	if err != nil {
		return errors.Trace(err)
	}
	defer csClient.jar.Save()
	curl, repo, err := resolveCharmURL(c.CharmName, csClient.params, ctx.AbsPath(c.RepoPath), conf)
	if err != nil {
		return errors.Trace(err)
	}

	curl, err = addCharmViaAPI(client, ctx, curl, repo, csClient)
	if err != nil {
		return block.ProcessBlockedError(err, block.BlockChange)
	}

	if c.BumpRevision {
		ctx.Infof("--upgrade (or -u) is deprecated and ignored; charms are always deployed with a unique revision.")
	}

	requestedNetworks, err := networkNamesToTags(parseNetworks(c.Networks))
	if err != nil {
		return err
	}
	// We need to ensure network names are valid below, but we don't need them here.
	_, err = networkNamesToTags(c.Constraints.IncludeNetworks())
	if err != nil {
		return err
	}
	_, err = networkNamesToTags(c.Constraints.ExcludeNetworks())
	if err != nil {
		return err
	}
	haveNetworks := len(requestedNetworks) > 0 || c.Constraints.HaveNetworks()

	charmInfo, err := client.CharmInfo(curl.String())
	if err != nil {
		return err
	}

	numUnits := c.NumUnits
	if charmInfo.Meta.Subordinate {
		if !constraints.IsEmpty(&c.Constraints) {
			return errors.New("cannot use --constraints with subordinate service")
		}
		if numUnits == 1 && c.ToMachineSpec == "" {
			numUnits = 0
		} else {
			return errors.New("cannot use --num-units or --to with subordinate service")
		}
	}
	serviceName := c.ServiceName
	if serviceName == "" {
		serviceName = charmInfo.Meta.Name
	}

	var configYAML []byte
	if c.Config.Path != "" {
		configYAML, err = c.Config.Read(ctx)
		if err != nil {
			return err
		}
	}

	// If storage is specified, we attempt to use a new API on the service facade.
	if len(c.Storage) > 0 {
		notSupported := errors.New("cannot deploy charms with storage: not supported by the API server")
		serviceClient, err := c.newServiceAPIClient()
		if err != nil {
			return notSupported
		}
		defer serviceClient.Close()
		err = serviceClient.ServiceDeploy(
			curl.String(),
			serviceName,
			numUnits,
			string(configYAML),
			c.Constraints,
			c.ToMachineSpec,
			requestedNetworks,
			c.Storage,
		)
		if params.IsCodeNotImplemented(err) {
			return notSupported
		}
		return block.ProcessBlockedError(err, block.BlockChange)
	}

	err = client.ServiceDeployWithNetworks(
		curl.String(),
		serviceName,
		numUnits,
		string(configYAML),
		c.Constraints,
		c.ToMachineSpec,
		requestedNetworks,
	)
	if params.IsCodeNotImplemented(err) {
		if haveNetworks {
			return errors.New("cannot use --networks/--constraints networks=...: not supported by the API server")
		}
		err = client.ServiceDeploy(
			curl.String(),
			serviceName,
			numUnits,
			string(configYAML),
			c.Constraints,
			c.ToMachineSpec)
	}

	if err != nil {
		return block.ProcessBlockedError(err, block.BlockChange)
	}

	state, err := c.NewAPIRoot()
	if err != nil {
		return err
	}
	err = registerMeteredCharm(c.RegisterURL, state, csClient.jar, curl.String(), serviceName, client.EnvironmentUUID())
	if err != nil {
		return err
	}

	return block.ProcessBlockedError(err, block.BlockChange)
}
Example #30
0
func (c *DeployCommand) deployCharmOrBundle(ctx *cmd.Context, client *api.Client) error {
	deployer := serviceDeployer{ctx, c}

	// We may have been given a local bundle file.
	bundlePath := c.CharmOrBundle
	bundleData, err := charmrepo.ReadBundleFile(bundlePath)
	if err != nil {
		// We may have been given a local bundle archive or exploded directory.
		if bundle, burl, pathErr := charmrepo.NewBundleAtPath(bundlePath); pathErr == nil {
			bundleData = bundle.Data()
			bundlePath = burl.String()
			err = pathErr
		}
	}
	// If not a bundle then maybe a local charm.
	if err != nil {
		// Charm may have been supplied via a path reference.
		ch, curl, charmErr := charmrepo.NewCharmAtPathForceSeries(c.CharmOrBundle, c.Series, c.Force)
		if charmErr == nil {
			if curl, charmErr = client.AddLocalCharm(curl, ch); charmErr != nil {
				return charmErr
			}
			id := charmstore.CharmID{
				URL: curl,
				// Local charms don't need a channel.
			}
			var csMac *macaroon.Macaroon // local charms don't need one.
			return c.deployCharm(deployCharmArgs{
				id:       id,
				csMac:    csMac,
				series:   curl.Series,
				ctx:      ctx,
				client:   client,
				deployer: &deployer,
			})
		}
		// We check for several types of known error which indicate
		// that the supplied reference was indeed a path but there was
		// an issue reading the charm located there.
		if charm.IsMissingSeriesError(charmErr) {
			return charmErr
		}
		if charm.IsUnsupportedSeriesError(charmErr) {
			return errors.Errorf("%v. Use --force to deploy the charm anyway.", charmErr)
		}
		if errors.Cause(charmErr) == zip.ErrFormat {
			return errors.Errorf("invalid charm or bundle provided at %q", c.CharmOrBundle)
		}
		err = charmErr
	}
	if err != nil {
		if _, ok := errors.Cause(err).(*charmrepo.NotFoundError); ok {
			return errors.Errorf("no charm or bundle found at %q: %v", c.CharmOrBundle, err)
		}
		if errors.Cause(err) != os.ErrNotExist {
			return err
		}
		// We've got a "not exists" error. Attempt to interpret the supplied
		// charm or bundle reference as a URL.
	}

	repoPath := ctx.AbsPath(c.RepoPath)
	conf, err := getClientConfig(client)
	if err != nil {
		return err
	}

	bakeryClient, err := c.BakeryClient()
	if err != nil {
		return errors.Trace(err)
	}
	csClient := newCharmStoreClient(bakeryClient).WithChannel(c.Channel)

	resolver := newCharmURLResolver(conf, csClient, repoPath)

	var charmOrBundleURL *charm.URL
	var repo charmrepo.Interface
	var supportedSeries []string
	// If we don't already have a bundle loaded, we try the charm store for a charm or bundle.
	if bundleData == nil {
		// Charm or bundle has been supplied as a URL so we resolve and deploy using the store.
		charmOrBundleURL, c.Channel, supportedSeries, repo, err = resolver.resolve(c.CharmOrBundle)
		if charm.IsUnsupportedSeriesError(err) {
			return errors.Errorf("%v. Use --force to deploy the charm anyway.", err)
		}
		if err != nil {
			return errors.Trace(err)
		}
		if charmOrBundleURL.Series == "bundle" {
			// Load the bundle entity.
			bundle, err := repo.GetBundle(charmOrBundleURL)
			if err != nil {
				return errors.Trace(err)
			}
			bundleData = bundle.Data()
			bundlePath = charmOrBundleURL.String()
		}
	}
	// Handle a bundle.
	if bundleData != nil {
		if flags := getFlags(c.flagSet, charmOnlyFlags); len(flags) > 0 {
			return errors.Errorf("Flags provided but not supported when deploying a bundle: %s.", strings.Join(flags, ", "))
		}
		// TODO(ericsnow) Do something with the CS macaroons that were returned?
		if _, err := deployBundle(
			bundleData, c.Channel, client, &deployer, resolver, ctx, c.BundleStorage,
		); err != nil {
			return errors.Trace(err)
		}
		ctx.Infof("deployment of bundle %q completed", bundlePath)
		return nil
	}
	// Handle a charm.
	if flags := getFlags(c.flagSet, bundleOnlyFlags); len(flags) > 0 {
		return errors.Errorf("Flags provided but not supported when deploying a charm: %s.", strings.Join(flags, ", "))
	}
	// Get the series to use.
	series, message, err := charmSeries(c.Series, charmOrBundleURL.Series, supportedSeries, c.Force, conf)
	if charm.IsUnsupportedSeriesError(err) {
		return errors.Errorf("%v. Use --force to deploy the charm anyway.", err)
	}
	// Store the charm in state.
	curl, csMac, err := addCharmFromURL(client, charmOrBundleURL, c.Channel, repo)
	if err != nil {
		if err1, ok := errors.Cause(err).(*termsRequiredError); ok {
			terms := strings.Join(err1.Terms, " ")
			return errors.Errorf(`Declined: please agree to the following terms %s. Try: "juju agree %s"`, terms, terms)
		}
		return errors.Annotatef(err, "storing charm for URL %q", charmOrBundleURL)
	}
	ctx.Infof("Added charm %q to the model.", curl)
	ctx.Infof("Deploying charm %q %v.", curl, fmt.Sprintf(message, series))
	id := charmstore.CharmID{
		URL:     curl,
		Channel: c.Channel,
	}
	return c.deployCharm(deployCharmArgs{
		id:       id,
		csMac:    csMac,
		series:   series,
		ctx:      ctx,
		client:   client,
		deployer: &deployer,
	})
}