Function convertCredentialSpec

cli/compose/convert/service.go:683–724

(namespace Namespace, spec composetypes.CredentialSpecConfig, refs []*swarm.ConfigReference)

}

func convertCredentialSpec(namespace Namespace, spec composetypes.CredentialSpecConfig, refs []*swarm.ConfigReference) (*swarm.CredentialSpec, error) {
	var o []string

	if spec.Config != "" {
		o = append(o, `"Config"`)
	}
	if spec.File != "" {
		o = append(o, `"File"`)
	}
	if spec.Registry != "" {
		o = append(o, `"Registry"`)
	}
	l := len(o)
	switch {
	case l == 0:
		return nil, nil
	case l == 2:
		return nil, fmt.Errorf("invalid credential spec: cannot specify both %s and %s", o[0], o[1])
	case l > 2:
		return nil, fmt.Errorf("invalid credential spec: cannot specify both %s, and %s", strings.Join(o[:l-1], ", "), o[l-1])
	}
	swarmCredSpec := swarm.CredentialSpec(spec)
	// if we're using a swarm Config for the credential spec, over-write it
	// here with the config ID
	if swarmCredSpec.Config != "" {
		for _, config := range refs {
			if swarmCredSpec.Config == config.ConfigName {
				swarmCredSpec.Config = config.ConfigID
				return &swarmCredSpec, nil
			}
		}
		// if none of the configs match, try namespacing
		for _, config := range refs {
			if namespace.Scope(swarmCredSpec.Config) == config.ConfigName {
				swarmCredSpec.Config = config.ConfigID
				return &swarmCredSpec, nil
			}
		}
		return nil, fmt.Errorf("invalid credential spec: spec specifies config %v, but no such config can be found", swarmCredSpec.Config)
	}
	return &swarmCredSpec, nil
}

func convertUlimits(origUlimits map[string]*composetypes.UlimitsConfig) []*container.Ulimit {
	ulimits := make([]*container.Ulimit, 0, len(origUlimits))