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Newer
100644
150 lines (131 sloc)
3.79 KB
2
// Licensed under the AGPLv3, see LICENCE file for details.
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import (
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"fmt"
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)
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// dummyHookContext implements jujuc.Context,
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// as expected by jujuc.NewCommand.
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func (dummyHookContext) AddMetrics(_, _ string, _ time.Time) error {
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return nil
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}
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return ""
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}
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func (dummyHookContext) PublicAddress() (string, error) {
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return "", errors.NotFoundf("PublicAddress")
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}
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func (dummyHookContext) PrivateAddress() (string, error) {
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return "", errors.NotFoundf("PrivateAddress")
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}
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func (dummyHookContext) AvailabilityZone() (string, error) {
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return "", errors.NotFoundf("AvailabilityZone")
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return nil
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}
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return nil
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}
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return charm.NewConfig().DefaultSettings(), nil
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}
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func (dummyHookContext) HookRelation() (jujuc.ContextRelation, error) {
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return nil, errors.NotFoundf("HookRelation")
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}
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func (dummyHookContext) RemoteUnitName() (string, error) {
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return "", errors.NotFoundf("RemoteUnitName")
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}
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func (dummyHookContext) Relation(id int) (jujuc.ContextRelation, error) {
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return nil, errors.NotFoundf("Relation")
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}
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func (dummyHookContext) RelationIds() ([]int, error) {
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return []int{}, errors.NotFoundf("RelationIds")
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}
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func (dummyHookContext) RequestReboot(prio jujuc.RebootPriority) error {
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return nil
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}
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func (dummyHookContext) HookStorageInstance() (*storage.StorageInstance, error) {
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return nil, errors.NotFoundf("HookStorageInstance")
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func (dummyHookContext) HookStorage() (jujuc.ContextStorageAttachment, error) {
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return nil, errors.NotFoundf("HookStorage")
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func (dummyHookContext) StorageInstance(id string) (*storage.StorageInstance, error) {
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return nil, errors.NotFoundf("StorageInstance")
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func (dummyHookContext) UnitStatus() (*jujuc.StatusInfo, error) {
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return &jujuc.StatusInfo{}, nil
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}
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func (dummyHookContext) Component(name string) (jujuc.ContextComponent, error) {
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return nil, nil
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}
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func newHelpToolCommand() cmd.Command {
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return &helpToolCommand{}
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}
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type helpToolCommand struct {
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cmd.CommandBase
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tool string
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}
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return &cmd.Info{
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Name: "help-tool",
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Args: "[tool]",
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}
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}
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tool, err := cmd.ZeroOrOneArgs(args)
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if err == nil {
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t.tool = tool
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}
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return err
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}
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var hookctx dummyHookContext
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if c.tool == "" {
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// Ripped from SuperCommand. We could Run() a SuperCommand
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// with "help commands", but then the implicit "help" command
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// shows up.
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names := jujuc.CommandNames()
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longest := 0
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if c, err := jujuc.NewCommand(hookctx, name); err == nil {
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if len(name) > longest {
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longest = len(name)
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}
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}
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}
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for _, c := range cmds {
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info := c.Info()
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fmt.Fprintf(ctx.Stdout, "%-*s %s\n", longest, info.Name, info.Purpose)
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}
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} else {
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c, err := jujuc.NewCommand(hookctx, c.tool)
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if err != nil {
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return err
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}
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info := c.Info()
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f := gnuflag.NewFlagSet(info.Name, gnuflag.ContinueOnError)
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c.SetFlags(f)
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ctx.Stdout.Write(info.Help(f))
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}
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return nil
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}