Ejemplo n.º 1
0
// GetMetadataSources returns the sources to use when looking for
// simplestreams image id metadata for the given stream. If env implements
// SupportsCustomSources, the sources returned from that method will also
// be considered.
func GetMetadataSources(env environs.ConfigGetter) ([]simplestreams.DataSource, error) {
	var sources []simplestreams.DataSource
	config := env.Config()
	if userURL, ok := config.ImageMetadataURL(); ok {
		verify := utils.VerifySSLHostnames
		if !config.SSLHostnameVerification() {
			verify = utils.NoVerifySSLHostnames
		}
		sources = append(sources, simplestreams.NewURLDataSource("image-metadata-url", userURL, verify))
	}
	if custom, ok := env.(SupportsCustomSources); ok {
		customSources, err := custom.GetImageSources()
		if err != nil {
			return nil, err
		}
		sources = append(sources, customSources...)
	}

	defaultURL, err := ImageMetadataURL(DefaultBaseURL, config.ImageStream())
	if err != nil {
		return nil, err
	}
	if defaultURL != "" {
		sources = append(sources,
			simplestreams.NewURLDataSource("default cloud images", defaultURL, utils.VerifySSLHostnames))
	}
	return sources, nil
}
Ejemplo n.º 2
0
// GetMetadataSourcesWithRetries returns the sources to use when looking for
// simplestreams tools metadata. If env implements SupportsCustomSurces,
// the sources returned from that method will also be considered.
// The sources are configured to use retries according to the value of allowRetry.
func GetMetadataSourcesWithRetries(env environs.ConfigGetter, allowRetry bool) ([]simplestreams.DataSource, error) {
	var sources []simplestreams.DataSource
	config := env.Config()
	if userURL, ok := config.ToolsURL(); ok {
		verify := utils.VerifySSLHostnames
		if !config.SSLHostnameVerification() {
			verify = utils.NoVerifySSLHostnames
		}
		sources = append(sources, simplestreams.NewURLDataSource("tools-metadata-url", userURL, verify))
	}
	if custom, ok := env.(SupportsCustomSources); ok {
		customSources, err := custom.GetToolsSources()
		if err != nil {
			return nil, err
		}
		sources = append(sources, customSources...)
	}

	defaultURL, err := ToolsURL(DefaultBaseURL)
	if err != nil {
		return nil, err
	}
	if defaultURL != "" {
		sources = append(sources,
			simplestreams.NewURLDataSource("default simplestreams", defaultURL, utils.VerifySSLHostnames))
	}
	for _, source := range sources {
		source.SetAllowRetry(allowRetry)
	}
	return sources, nil
}
Ejemplo n.º 3
0
// FindBootstrapTools returns a ToolsList containing only those tools with
// which it would be reasonable to launch an environment's first machine, given the supplied constraints.
// If a specific agent version is not requested, all tools matching the current major.minor version are chosen.
func FindBootstrapTools(cloudInst environs.ConfigGetter, params BootstrapToolsParams) (list coretools.List, err error) {
	// Construct a tools filter.
	cfg := cloudInst.Config()
	cliVersion := version.Current.Number
	filter := coretools.Filter{
		Series: params.Series,
		Arch:   stringOrEmpty(params.Arch),
	}
	if params.Version != nil {
		// If we already have an explicit agent version set, we're done.
		filter.Number = *params.Version
		return bootstrapFindTools(cloudInst, cliVersion.Major, cliVersion.Minor, filter, params.AllowRetry)
	}
	if dev := cliVersion.IsDev() || cfg.Development(); !dev {
		logger.Infof("filtering tools by released version")
		filter.Released = true
	}
	return bootstrapFindTools(cloudInst, cliVersion.Major, cliVersion.Minor, filter, params.AllowRetry)
}