Golang Machine.Id方法代码示例

// newAgent returns a new MachineAgent instance
func (s *commonMachineSuite) newAgent(c *gc.C, m *state.Machine) *MachineAgent {
	a := &MachineAgent{}
	s.initAgent(c, a, "--machine-id", m.Id())
	err := a.ReadConfig(m.Tag().String())
	c.Assert(err, gc.IsNil)
	return a
}

// machineVolumeParams retrieves VolumeParams for the volumes that should be
// provisioned with, and attached to, the machine. The client should ignore
// parameters that it does not know how to handle.
func (p *ProvisionerAPI) machineVolumeParams(m *state.Machine) ([]params.VolumeParams, error) {
	volumeAttachments, err := m.VolumeAttachments()
	if err != nil {
		return nil, err
	}
	if len(volumeAttachments) == 0 {
		return nil, nil
	}
	envConfig, err := p.st.EnvironConfig()
	if err != nil {
		return nil, err
	}
	poolManager := poolmanager.New(state.NewStateSettings(p.st))
	allVolumeParams := make([]params.VolumeParams, 0, len(volumeAttachments))
	for _, volumeAttachment := range volumeAttachments {
		volumeTag := volumeAttachment.Volume()
		volume, err := p.st.Volume(volumeTag)
		if err != nil {
			return nil, errors.Annotatef(err, "getting volume %q", volumeTag.Id())
		}
		storageInstance, err := storagecommon.MaybeAssignedStorageInstance(
			volume.StorageInstance, p.st.StorageInstance,
		)
		if err != nil {
			return nil, errors.Annotatef(err, "getting volume %q storage instance", volumeTag.Id())
		}
		volumeParams, err := storagecommon.VolumeParams(volume, storageInstance, envConfig, poolManager)
		if err != nil {
			return nil, errors.Annotatef(err, "getting volume %q parameters", volumeTag.Id())
		}
		provider, err := registry.StorageProvider(storage.ProviderType(volumeParams.Provider))
		if err != nil {
			return nil, errors.Annotate(err, "getting storage provider")
		}
		if provider.Dynamic() {
			// Leave dynamic storage to the storage provisioner.
			continue
		}
		volumeAttachmentParams, ok := volumeAttachment.Params()
		if !ok {
			// Attachment is already provisioned; this is an insane
			// state, so we should not proceed with the volume.
			return nil, errors.Errorf(
				"volume %s already attached to machine %s",
				volumeTag.Id(), m.Id(),
			)
		}
		// Not provisioned yet, so ask the cloud provisioner do it.
		volumeParams.Attachment = &params.VolumeAttachmentParams{
			volumeTag.String(),
			m.Tag().String(),
			"", // we're creating the volume, so it has no volume ID.
			"", // we're creating the machine, so it has no instance ID.
			volumeParams.Provider,
			volumeAttachmentParams.ReadOnly,
		}
		allVolumeParams = append(allVolumeParams, volumeParams)
	}
	return allVolumeParams, nil
}

func (s *commonMachineSuite) primeAgentWithMachine(c *gc.C, m *state.Machine, vers version.Binary) (*state.Machine, agent.ConfigSetterWriter, *tools.Tools) {
	pinger, err := m.SetAgentPresence()
	c.Assert(err, jc.ErrorIsNil)
	s.AddCleanup(func(c *gc.C) {
		c.Assert(worker.Stop(pinger), jc.ErrorIsNil)
	})
	return s.configureMachine(c, m.Id(), vers)
}

func (s *assignCleanSuite) assertAssignUnit(c *gc.C, expectedMachine *state.Machine) {
	unit, err := s.wordpress.AddUnit()
	c.Assert(err, jc.ErrorIsNil)
	reusedMachine, err := s.assignUnit(unit)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(reusedMachine.Id(), gc.Equals, expectedMachine.Id())
	c.Assert(reusedMachine.Clean(), jc.IsFalse)
}

// machineSubnetsAndZones returns a map of subnet provider-specific id
// to list of availability zone names for that subnet. The result can
// be empty if there are no spaces constraints specified for the
// machine, or there's an error fetching them.
func (p *ProvisionerAPI) machineSubnetsAndZones(m *state.Machine) (map[string][]string, error) {
	mcons, err := m.Constraints()
	if err != nil {
		return nil, errors.Annotate(err, "cannot get machine constraints")
	}
	includeSpaces := mcons.IncludeSpaces()
	if len(includeSpaces) < 1 {
		// Nothing to do.
		return nil, nil
	}
	// TODO(dimitern): For the network model MVP we only use the first
	// included space and ignore the rest.
	//
	// LKK Card: https://canonical.leankit.com/Boards/View/101652562/117352306
	// LP Bug: http://pad.lv/1498232
	spaceName := includeSpaces[0]
	if len(includeSpaces) > 1 {
		logger.Debugf(
			"using space %q from constraints for machine %q (ignoring remaining: %v)",
			spaceName, m.Id(), includeSpaces[1:],
		)
	}
	space, err := p.st.Space(spaceName)
	if err != nil {
		return nil, errors.Trace(err)
	}
	subnets, err := space.Subnets()
	if err != nil {
		return nil, errors.Trace(err)
	}
	if len(subnets) == 0 {
		return nil, errors.Errorf("cannot use space %q as deployment target: no subnets", spaceName)
	}
	subnetsToZones := make(map[string][]string, len(subnets))
	for _, subnet := range subnets {
		warningPrefix := fmt.Sprintf(
			"not using subnet %q in space %q for machine %q provisioning: ",
			subnet.CIDR(), spaceName, m.Id(),
		)
		providerId := subnet.ProviderId()
		if providerId == "" {
			logger.Warningf(warningPrefix + "no ProviderId set")
			continue
		}
		// TODO(dimitern): Once state.Subnet supports multiple zones,
		// use all of them below.
		//
		// LKK Card: https://canonical.leankit.com/Boards/View/101652562/119979611
		zone := subnet.AvailabilityZone()
		if zone == "" {
			logger.Warningf(warningPrefix + "no availability zone(s) set")
			continue
		}
		subnetsToZones[string(providerId)] = []string{zone}
	}
	return subnetsToZones, nil
}

func makeMachineStatus(machine *state.Machine) (status params.MachineStatus) {
	var err error
	status.Id = machine.Id()
	agentStatus := processMachine(machine)
	status.AgentStatus = agentStatus

	status.Series = machine.Series()
	status.Jobs = paramsJobsFromJobs(machine.Jobs())
	status.WantsVote = machine.WantsVote()
	status.HasVote = machine.HasVote()
	sInfo, err := machine.InstanceStatus()
	populateStatusFromStatusInfoAndErr(&status.InstanceStatus, sInfo, err)
	instid, err := machine.InstanceId()
	if err == nil {
		status.InstanceId = instid
		addr, err := machine.PublicAddress()
		if err != nil {
			// Usually this indicates that no addresses have been set on the
			// machine yet.
			addr = network.Address{}
			logger.Debugf("error fetching public address: %q", err)
		}
		status.DNSName = addr.Value

		mAddrs := machine.Addresses()
		if len(mAddrs) == 0 {
			logger.Debugf("no IP addresses fetched for machine %q", instid)
			// At least give it the newly created DNSName address, if it exists.
			if addr.Value != "" {
				mAddrs = append(mAddrs, addr)
			}
		}
		for _, mAddr := range mAddrs {
			switch mAddr.Scope {
			case network.ScopeMachineLocal, network.ScopeLinkLocal:
				continue
			}
			status.IPAddresses = append(status.IPAddresses, mAddr.Value)
		}
	} else {
		if errors.IsNotProvisioned(err) {
			status.InstanceId = "pending"
		} else {
			status.InstanceId = "error"
		}
	}
	hc, err := machine.HardwareCharacteristics()
	if err != nil {
		if !errors.IsNotFound(err) {
			status.Hardware = "error"
		}
	} else {
		status.Hardware = hc.String()
	}
	status.Containers = make(map[string]params.MachineStatus)
	return
}

func makeMachineStatus(machine *state.Machine) (status params.MachineStatus) {
	status.Id = machine.Id()
	agentStatus, compatStatus := processMachine(machine)
	status.Agent = agentStatus

	// These legacy status values will be deprecated for Juju 2.0.
	status.AgentState = compatStatus.Status
	status.AgentStateInfo = compatStatus.Info
	status.AgentVersion = compatStatus.Version
	status.Life = compatStatus.Life
	status.Err = compatStatus.Err

	status.Series = machine.Series()
	status.Jobs = paramsJobsFromJobs(machine.Jobs())
	status.WantsVote = machine.WantsVote()
	status.HasVote = machine.HasVote()
	instid, err := machine.InstanceId()
	if err == nil {
		status.InstanceId = instid
		status.InstanceState, err = machine.InstanceStatus()
		if err != nil {
			status.InstanceState = "error"
		}
		addr, err := machine.PublicAddress()
		if err != nil {
			// Usually this indicates that no addresses have been set on the
			// machine yet.
			addr = network.Address{}
			logger.Warningf("error fetching public address: %q", err)
		}
		status.DNSName = addr.Value
	} else {
		if errors.IsNotProvisioned(err) {
			status.InstanceId = "pending"
		} else {
			status.InstanceId = "error"
		}
		// There's no point in reporting a pending agent state
		// if the machine hasn't been provisioned. This
		// also makes unprovisioned machines visually distinct
		// in the output.
		status.AgentState = ""
	}
	hc, err := machine.HardwareCharacteristics()
	if err != nil {
		if !errors.IsNotFound(err) {
			status.Hardware = "error"
		}
	} else {
		status.Hardware = hc.String()
	}
	status.Containers = make(map[string]params.MachineStatus)
	return
}

func (s *SSHCommonSuite) setAddresses(c *gc.C, m *state.Machine) {
	addrPub := network.NewScopedAddress(
		fmt.Sprintf("%s.public", m.Id()),
		network.ScopePublic,
	)
	addrPriv := network.NewScopedAddress(
		fmt.Sprintf("%s.private", m.Id()),
		network.ScopeCloudLocal,
	)
	err := m.SetProviderAddresses(addrPub, addrPriv)
	c.Assert(err, jc.ErrorIsNil)
}

// machineSubnetsAndZones returns a map of subnet provider-specific id
// to list of availability zone names for that subnet. The result can
// be empty if there are no spaces constraints specified for the
// machine, or there's an error fetching them.
func (p *ProvisionerAPI) machineSubnetsAndZones(m *state.Machine) (map[string][]string, error) {
	mcons, err := m.Constraints()
	if err != nil {
		return nil, errors.Annotate(err, "cannot get machine constraints")
	}
	includeSpaces := mcons.IncludeSpaces()
	if len(includeSpaces) < 1 {
		// Nothing to do.
		return nil, nil
	}
	// TODO(dimitern): For the network model MVP we only use the first
	// included space and ignore the rest.
	spaceName := includeSpaces[0]
	if len(includeSpaces) > 1 {
		logger.Debugf(
			"using space %q from constraints for machine %q (ignoring remaining: %v)",
			spaceName, m.Id(), includeSpaces[1:],
		)
	}
	space, err := p.st.Space(spaceName)
	if err != nil {
		return nil, errors.Trace(err)
	}
	subnets, err := space.Subnets()
	if err != nil {
		return nil, errors.Trace(err)
	}
	subnetsToZones := make(map[string][]string, len(subnets))
	for _, subnet := range subnets {
		warningPrefix := fmt.Sprintf(
			"not using subnet %q in space %q for machine %q provisioning: ",
			subnet.CIDR(), spaceName, m.Id(),
		)
		// TODO(dimitern): state.Subnet.ProviderId needs to be of type
		// network.Id.
		providerId := subnet.ProviderId()
		if providerId == "" {
			logger.Warningf(warningPrefix + "no ProviderId set")
			continue
		}
		// TODO(dimitern): Once state.Subnet supports multiple zones,
		// use all of them below.
		zone := subnet.AvailabilityZone()
		if zone == "" {
			logger.Warningf(warningPrefix + "no availability zone(s) set")
			continue
		}
		subnetsToZones[providerId] = []string{zone}
	}
	return subnetsToZones, nil
}

func (s *CommonProvisionerSuite) checkStartInstanceCustom(c *gc.C, m *state.Machine, secret string, cons constraints.Value, networks []string, networkInfo []network.Info, waitInstanceId bool) (inst instance.Instance) {
	s.BackingState.StartSync()
	for {
		select {
		case o := <-s.op:
			switch o := o.(type) {
			case dummy.OpStartInstance:
				inst = o.Instance
				if waitInstanceId {
					s.waitInstanceId(c, m, inst.Id())
				}

				// Check the instance was started with the expected params.
				c.Assert(o.MachineId, gc.Equals, m.Id())
				nonceParts := strings.SplitN(o.MachineNonce, ":", 2)
				c.Assert(nonceParts, gc.HasLen, 2)
				c.Assert(nonceParts[0], gc.Equals, names.NewMachineTag("0").String())
				c.Assert(nonceParts[1], jc.Satisfies, utils.IsValidUUIDString)
				c.Assert(o.Secret, gc.Equals, secret)
				c.Assert(o.Networks, jc.DeepEquals, networks)
				c.Assert(o.NetworkInfo, jc.DeepEquals, networkInfo)

				// All provisioned machines in this test suite have
				// their hardware characteristics attributes set to
				// the same values as the constraints due to the dummy
				// environment being used.
				if !constraints.IsEmpty(&cons) {
					c.Assert(o.Constraints, gc.DeepEquals, cons)
					hc, err := m.HardwareCharacteristics()
					c.Assert(err, gc.IsNil)
					c.Assert(*hc, gc.DeepEquals, instance.HardwareCharacteristics{
						Arch:     cons.Arch,
						Mem:      cons.Mem,
						RootDisk: cons.RootDisk,
						CpuCores: cons.CpuCores,
						CpuPower: cons.CpuPower,
						Tags:     cons.Tags,
					})
				}
				return
			default:
				c.Logf("ignoring unexpected operation %#v", o)
			}
		case <-time.After(2 * time.Second):
			c.Fatalf("provisioner did not start an instance")
			return
		}
	}
	return
}

// waitForRemovalMark waits for the supplied machine to be marked for removal.
func (s *CommonProvisionerSuite) waitForRemovalMark(c *gc.C, m *state.Machine) {
	w := s.BackingState.WatchMachineRemovals()
	name := fmt.Sprintf("machine %v marked for removal", m)
	s.waitForWatcher(c, w, name, func() bool {
		removals, err := s.BackingState.AllMachineRemovals()
		c.Assert(err, jc.ErrorIsNil)
		for _, removal := range removals {
			if removal == m.Id() {
				return true
			}
		}
		return false
	})
}

func matchMachineId(m *state.Machine, patterns []string) (bool, bool, error) {
	var anyValid bool
	for _, p := range patterns {
		if !names.IsValidMachine(p) {
			continue
		}
		anyValid = true
		if m.Id() == p || strings.HasPrefix(m.Id(), p+"/") {
			// Pattern matches the machine, or container's
			// host machine.
			return true, true, nil
		}
	}
	return false, anyValid, nil
}

// remoteParamsForMachine returns a filled in RemoteExec instance
// based on the machine, command and timeout params.  If the machine
// does not have an internal address, the Host is empty. This is caught
// by the function that actually tries to execute the command.
func remoteParamsForMachine(machine *state.Machine, command string, timeout time.Duration) *RemoteExec {
	// magic boolean parameters are bad :-(
	address, ok := network.SelectInternalAddress(machine.Addresses(), false)
	execParams := &RemoteExec{
		ExecParams: ssh.ExecParams{
			Command: command,
			Timeout: timeout,
		},
		MachineId: machine.Id(),
	}
	if ok {
		execParams.Host = fmt.Sprintf("[email protected]%s", address.Value)
	}
	return execParams
}

func (api *MachinerAPI) setOneMachineNetworkConfig(m *state.Machine, networkConfig []params.NetworkConfig) error {
	devicesArgs, devicesAddrs := networkingcommon.NetworkConfigsToStateArgs(networkConfig)

	logger.Debugf("setting devices: %+v", devicesArgs)
	if err := m.SetParentLinkLayerDevicesBeforeTheirChildren(devicesArgs); err != nil {
		return errors.Trace(err)
	}

	logger.Debugf("setting addresses: %+v", devicesAddrs)
	if err := m.SetDevicesAddressesIdempotently(devicesAddrs); err != nil {
		return errors.Trace(err)
	}

	logger.Debugf("updated machine %q network config", m.Id())
	return nil
}

func (s *MigrationImportSuite) AssertMachineEqual(c *gc.C, newMachine, oldMachine *state.Machine) {
	c.Assert(newMachine.Id(), gc.Equals, oldMachine.Id())
	c.Assert(newMachine.Principals(), jc.DeepEquals, oldMachine.Principals())
	c.Assert(newMachine.Series(), gc.Equals, oldMachine.Series())
	c.Assert(newMachine.ContainerType(), gc.Equals, oldMachine.ContainerType())
	newHardware, err := newMachine.HardwareCharacteristics()
	c.Assert(err, jc.ErrorIsNil)
	oldHardware, err := oldMachine.HardwareCharacteristics()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(newHardware, jc.DeepEquals, oldHardware)
	c.Assert(newMachine.Jobs(), jc.DeepEquals, oldMachine.Jobs())
	c.Assert(newMachine.Life(), gc.Equals, oldMachine.Life())
	newTools, err := newMachine.AgentTools()
	c.Assert(err, jc.ErrorIsNil)
	oldTools, err := oldMachine.AgentTools()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(newTools, jc.DeepEquals, oldTools)
}