Golang Machine.InstanceId方法代码示例

func (api *MachinerAPI) getOneMachineProviderNetworkConfig(m *state.Machine) ([]params.NetworkConfig, error) {
	instId, err := m.InstanceId()
	if err != nil {
		return nil, errors.Trace(err)
	}

	netEnviron, err := networkingcommon.NetworkingEnvironFromModelConfig(
		stateenvirons.EnvironConfigGetter{api.st},
	)
	if errors.IsNotSupported(err) {
		logger.Infof("not updating provider network config: %v", err)
		return nil, nil
	} else if err != nil {
		return nil, errors.Annotate(err, "cannot get provider network config")
	}

	interfaceInfos, err := netEnviron.NetworkInterfaces(instId)
	if err != nil {
		return nil, errors.Annotatef(err, "cannot get network interfaces of %q", instId)
	}
	if len(interfaceInfos) == 0 {
		logger.Infof("not updating provider network config: no interfaces returned")
		return nil, nil
	}

	providerConfig := networkingcommon.NetworkConfigFromInterfaceInfo(interfaceInfos)
	logger.Tracef("provider network config instance %q: %+v", instId, providerConfig)

	return providerConfig, 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 *commonMachineSuite) setFakeMachineAddresses(c *gc.C, machine *state.Machine) {
	addrs := network.NewAddresses("0.1.2.3")
	err := machine.SetProviderAddresses(addrs...)
	c.Assert(err, jc.ErrorIsNil)
	// Set the addresses in the environ instance as well so that if the instance poller
	// runs it won't overwrite them.
	instId, err := machine.InstanceId()
	c.Assert(err, jc.ErrorIsNil)
	insts, err := s.Environ.Instances([]instance.Id{instId})
	c.Assert(err, jc.ErrorIsNil)
	dummy.SetInstanceAddresses(insts[0], addrs)
}

// waitInstanceId waits until the supplied machine has an instance id, then
// asserts it is as expected.
func (s *CommonProvisionerSuite) waitInstanceId(c *gc.C, m *state.Machine, expect instance.Id) {
	s.waitHardwareCharacteristics(c, m, func() bool {
		if actual, err := m.InstanceId(); err == nil {
			c.Assert(actual, gc.Equals, expect)
			return true
		} else if !errors.IsNotProvisioned(err) {
			// We don't expect any errors.
			panic(err)
		}
		c.Logf("machine %v is still unprovisioned", m)
		return false
	})
}

func (s *commonMachineSuite) setFakeMachineAddresses(c *gc.C, machine *state.Machine) {
	addrs := []network.Address{
		network.NewAddress("0.1.2.3", network.ScopeUnknown),
	}
	err := machine.SetAddresses(addrs...)
	c.Assert(err, gc.IsNil)
	// Set the addresses in the environ instance as well so that if the instance poller
	// runs it won't overwrite them.
	instId, err := machine.InstanceId()
	c.Assert(err, gc.IsNil)
	insts, err := s.Conn.Environ.Instances([]instance.Id{instId})
	c.Assert(err, gc.IsNil)
	dummy.SetInstanceAddresses(insts[0], addrs)
}

func (t *LiveTests) assertStartInstance(c *gc.C, m *state.Machine) {
	// Wait for machine to get an instance id.
	for a := waitAgent.Start(); a.Next(); {
		err := m.Refresh()
		c.Assert(err, gc.IsNil)
		instId, err := m.InstanceId()
		if err != nil {
			c.Assert(err, jc.Satisfies, state.IsNotProvisionedError)
			continue
		}
		_, err = t.Env.Instances([]instance.Id{instId})
		c.Assert(err, gc.IsNil)
		return
	}
	c.Fatalf("provisioner failed to start machine after %v", waitAgent.Total)
}

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

	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.Debugf("error fetching public address: %q", err)
		}
		status.DNSName = addr.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
}

// assertInstanceId asserts that the machine has an instance id
// that matches that of the given instance. If the instance is nil,
// It asserts that the instance id is unset.
func assertInstanceId(c *gc.C, m *state.Machine, inst instance.Instance) {
	var wantId, gotId instance.Id
	var err error
	if inst != nil {
		wantId = inst.Id()
	}
	for a := waitAgent.Start(); a.Next(); {
		err := m.Refresh()
		c.Assert(err, gc.IsNil)
		gotId, err = m.InstanceId()
		if err != nil {
			c.Assert(err, jc.Satisfies, state.IsNotProvisionedError)
			if inst == nil {
				return
			}
			continue
		}
		break
	}
	c.Assert(err, gc.IsNil)
	c.Assert(gotId, gc.Equals, wantId)
}