Golang State.Client方法代码示例

func opClientServiceSetCharm(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	err := st.Client().ServiceSetCharm("nosuch", "local:quantal/wordpress", false)
	if params.IsCodeNotFound(err) {
		err = nil
	}
	return func() {}, err
}

func opClientAddServiceUnits(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	_, err := st.Client().AddServiceUnits("nosuch", 1, "")
	if params.IsCodeNotFound(err) {
		err = nil
	}
	return func() {}, err
}

func opClientServiceUnexpose(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	err := st.Client().ServiceUnexpose("wordpress")
	if err != nil {
		return func() {}, err
	}
	return func() {}, nil
}

func opClientDestroyServiceUnits(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	err := st.Client().DestroyServiceUnits("wordpress/99")
	if err != nil && strings.HasPrefix(err.Error(), "no units were destroyed") {
		err = nil
	}
	return func() {}, err
}

func opClientServiceSetYAML(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	err := st.Client().ServiceSetYAML("wordpress", `"wordpress": {"blog-title": "foo"}`)
	if err != nil {
		return func() {}, err
	}
	return resetBlogTitle(c, st), nil
}

func opClientServiceDestroy(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	err := st.Client().ServiceDestroy("non-existent")
	if params.IsCodeNotFound(err) {
		err = nil
	}
	return func() {}, err
}

func opClientEnvironmentGet(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	_, err := st.Client().EnvironmentGet()
	if err != nil {
		return func() {}, err
	}
	return func() {}, nil
}

func opClientDestroyRelation(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	err := st.Client().DestroyRelation("nosuch1", "nosuch2")
	if params.IsCodeNotFound(err) {
		err = nil
	}
	return func() {}, err
}

// updateAllMachines finds all machines and resets the stored state address
// in each of them. The address does not include the port.
func updateAllMachines(apiState *api.State, stateAddr string) ([]restoreResult, error) {
	client := apiState.Client()
	status, err := client.Status(nil)
	if err != nil {
		return nil, errors.Annotate(err, "cannot get status")
	}
	pendingMachineCount := 0
	done := make(chan restoreResult)

	for _, machineStatus := range status.Machines {
		// A newly resumed state server requires no updating, and more
		// than one state server is not yet support by this plugin.
		if machineStatus.HasVote || machineStatus.WantsVote || machineStatus.Life == "dead" {
			continue
		}
		pendingMachineCount++
		machine := machineStatus
		go func() {
			err := runMachineUpdate(client, machine.Id, setAgentAddressScript(stateAddr))
			if err != nil {

				logger.Errorf("failed to update machine %s: %v", machine.Id, err)
			} else {
				progress("updated machine %s", machine.Id)
			}
			r := restoreResult{machineName: machine.Id, err: err}
			done <- r
		}()
	}
	results := make([]restoreResult, pendingMachineCount)
	for ; pendingMachineCount > 0; pendingMachineCount-- {
		results[pendingMachineCount-1] = <-done
	}
	return results, nil
}

func restoreBootstrapMachine(st *api.State, backupFile string, agentConf agentConfig) (addr string, err error) {
	client := st.Client()
	addr, err = client.PublicAddress("0")
	if err != nil {
		return "", errors.Annotate(err, "cannot get public address of bootstrap machine")
	}
	paddr, err := client.PrivateAddress("0")
	if err != nil {
		return "", errors.Annotate(err, "cannot get private address of bootstrap machine")
	}
	status, err := client.Status(nil)
	if err != nil {
		return "", errors.Annotate(err, "cannot get environment status")
	}
	info, ok := status.Machines["0"]
	if !ok {
		return "", fmt.Errorf("cannot find bootstrap machine in status")
	}
	newInstId := instance.Id(info.InstanceId)

	progress("copying backup file to bootstrap host")
	if err := sendViaScp(backupFile, addr, "~/juju-backup.tgz"); err != nil {
		return "", errors.Annotate(err, "cannot copy backup file to bootstrap instance")
	}
	progress("updating bootstrap machine")
	if err := runViaSsh(addr, updateBootstrapMachineScript(newInstId, agentConf, addr, paddr)); err != nil {
		return "", errors.Annotate(err, "update script failed")
	}
	return addr, nil
}

// updateAllMachines finds all machines and resets the stored state address
// in each of them. The address does not include the port.
func updateAllMachines(apiState *api.State, stateAddr string) error {
	client := apiState.Client()
	status, err := client.Status(nil)
	if err != nil {
		return errors.Annotate(err, "cannot get status")
	}
	pendingMachineCount := 0
	done := make(chan error)
	for _, machineStatus := range status.Machines {
		// A newly resumed state server requires no updating, and more
		// than one state server is not yet support by this plugin.
		if machineStatus.HasVote || machineStatus.WantsVote || params.Life(machineStatus.Life) == params.Dead {
			continue
		}
		pendingMachineCount++
		machine := machineStatus
		go func() {
			err := runMachineUpdate(client, machine.Id, setAgentAddressScript(stateAddr))
			if err != nil {
				logger.Errorf("failed to update machine %s: %v", machine.Id, err)
			} else {
				progress("updated machine %s", machine.Id)
			}
			done <- err
		}()
	}
	err = nil
	for ; pendingMachineCount > 0; pendingMachineCount-- {
		if updateErr := <-done; updateErr != nil && err == nil {
			err = errors.Annotate(updateErr, "machine update failed")
		}
	}
	return err
}

func opClientServiceDeployWithNetworks(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	err := st.Client().ServiceDeployWithNetworks("mad:bad/url-1", "x", 1, "", constraints.Value{}, "", nil)
	if err.Error() == `charm URL has invalid schema: "mad:bad/url-1"` {
		err = nil
	}
	return func() {}, err
}

func opClientWatchAll(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	watcher, err := st.Client().WatchAll()
	if err == nil {
		watcher.Stop()
	}
	return func() {}, err
}

func resetBlogTitle(c *gc.C, st *api.State) func() {
	return func() {
		err := st.Client().ServiceSet("wordpress", map[string]string{
			"blog-title": "",
		})
		c.Assert(err, gc.IsNil)
	}
}

func opClientGetAnnotations(c *gc.C, st *api.State, mst *state.State) (func(), error) {
	ann, err := st.Client().GetAnnotations("service-wordpress")
	if err != nil {
		return func() {}, err
	}
	c.Assert(ann, gc.DeepEquals, make(map[string]string))
	return func() {}, nil
}