Esempio n. 1
0
// StartInstance is specified in the InstanceBroker interface.
func (e *environ) StartInstance(args environs.StartInstanceParams) (*environs.StartInstanceResult, error) {

	defer delay()
	machineId := args.InstanceConfig.MachineId
	logger.Infof("dummy startinstance, machine %s", machineId)
	if err := e.checkBroken("StartInstance"); err != nil {
		return nil, err
	}
	estate, err := e.state()
	if err != nil {
		return nil, err
	}
	estate.mu.Lock()
	defer estate.mu.Unlock()

	// check if an error has been injected on the transientErrorInjection channel (testing purposes)
	select {
	case injectedError := <-transientErrorInjection:
		return nil, injectedError
	default:
	}

	if args.InstanceConfig.MachineNonce == "" {
		return nil, errors.New("cannot start instance: missing machine nonce")
	}
	if _, ok := e.Config().CACert(); !ok {
		return nil, errors.New("no CA certificate in environment configuration")
	}
	if args.InstanceConfig.MongoInfo.Tag != names.NewMachineTag(machineId) {
		return nil, errors.New("entity tag must match started machine")
	}
	if args.InstanceConfig.APIInfo.Tag != names.NewMachineTag(machineId) {
		return nil, errors.New("entity tag must match started machine")
	}
	logger.Infof("would pick tools from %s", args.Tools)
	series := args.Tools.OneSeries()

	idString := fmt.Sprintf("%s-%d", e.name, estate.maxId)
	addrs := network.NewAddresses(idString+".dns", "127.0.0.1")
	if estate.preferIPv6 {
		addrs = append(addrs, network.NewAddress(fmt.Sprintf("fc00::%x", estate.maxId+1)))
	}
	logger.Debugf("StartInstance addresses: %v", addrs)
	i := &dummyInstance{
		id:           instance.Id(idString),
		addresses:    addrs,
		ports:        make(map[network.PortRange]bool),
		machineId:    machineId,
		series:       series,
		firewallMode: e.Config().FirewallMode(),
		state:        estate,
	}

	var hc *instance.HardwareCharacteristics
	// To match current system capability, only provide hardware characteristics for
	// environ machines, not containers.
	if state.ParentId(machineId) == "" {
		// We will just assume the instance hardware characteristics exactly matches
		// the supplied constraints (if specified).
		hc = &instance.HardwareCharacteristics{
			Arch:     args.Constraints.Arch,
			Mem:      args.Constraints.Mem,
			RootDisk: args.Constraints.RootDisk,
			CpuCores: args.Constraints.CpuCores,
			CpuPower: args.Constraints.CpuPower,
			Tags:     args.Constraints.Tags,
		}
		// Fill in some expected instance hardware characteristics if constraints not specified.
		if hc.Arch == nil {
			arch := "amd64"
			hc.Arch = &arch
		}
		if hc.Mem == nil {
			mem := uint64(1024)
			hc.Mem = &mem
		}
		if hc.RootDisk == nil {
			disk := uint64(8192)
			hc.RootDisk = &disk
		}
		if hc.CpuCores == nil {
			cores := uint64(1)
			hc.CpuCores = &cores
		}
	}
	// Simulate networks added when requested.
	networks := append(args.Constraints.IncludeNetworks(), args.InstanceConfig.Networks...)
	networkInfo := make([]network.InterfaceInfo, len(networks))
	for i, netName := range networks {
		if strings.HasPrefix(netName, "bad-") {
			// Simulate we didn't get correct information for the network.
			networkInfo[i] = network.InterfaceInfo{
				ProviderId:  network.Id(netName),
				NetworkName: netName,
				CIDR:        "invalid",
			}
		} else if strings.HasPrefix(netName, "invalid-") {
			// Simulate we got invalid information for the network.
			networkInfo[i] = network.InterfaceInfo{
				ProviderId:  network.Id(netName),
				NetworkName: "$$" + netName,
				CIDR:        fmt.Sprintf("0.%d.2.0/24", i+1),
			}
		} else {
			networkInfo[i] = network.InterfaceInfo{
				ProviderId:    network.Id(netName),
				NetworkName:   netName,
				CIDR:          fmt.Sprintf("0.%d.2.0/24", i+1),
				InterfaceName: fmt.Sprintf("eth%d", i),
				VLANTag:       i,
				MACAddress:    fmt.Sprintf("aa:bb:cc:dd:ee:f%d", i),
			}
		}
		// TODO(dimitern) Add the rest of the network.InterfaceInfo
		// fields when we can use them.
	}
	// Simulate creating volumes when requested.
	volumes := make([]storage.Volume, len(args.Volumes))
	for i, v := range args.Volumes {
		persistent, _ := v.Attributes[storage.Persistent].(bool)
		volumes[i] = storage.Volume{
			Tag: names.NewVolumeTag(strconv.Itoa(i + 1)),
			VolumeInfo: storage.VolumeInfo{
				Size:       v.Size,
				Persistent: persistent,
			},
		}
	}
	estate.insts[i.id] = i
	estate.maxId++
	estate.ops <- OpStartInstance{
		Env:              e.name,
		MachineId:        machineId,
		MachineNonce:     args.InstanceConfig.MachineNonce,
		PossibleTools:    args.Tools,
		Constraints:      args.Constraints,
		Networks:         args.InstanceConfig.Networks,
		NetworkInfo:      networkInfo,
		Volumes:          volumes,
		Instance:         i,
		Jobs:             args.InstanceConfig.Jobs,
		Info:             args.InstanceConfig.MongoInfo,
		APIInfo:          args.InstanceConfig.APIInfo,
		AgentEnvironment: args.InstanceConfig.AgentEnvironment,
		Secret:           e.ecfg().secret(),
	}
	return &environs.StartInstanceResult{
		Instance:    i,
		Hardware:    hc,
		NetworkInfo: networkInfo,
	}, nil
}
Esempio n. 2
0
// StartInstance is specified in the InstanceBroker interface.
func (e *environ) StartInstance(args environs.StartInstanceParams) (instance.Instance, *instance.HardwareCharacteristics, []network.Info, error) {

	defer delay()
	machineId := args.MachineConfig.MachineId
	logger.Infof("dummy startinstance, machine %s", machineId)
	if err := e.checkBroken("StartInstance"); err != nil {
		return nil, nil, nil, err
	}
	estate, err := e.state()
	if err != nil {
		return nil, nil, nil, err
	}
	estate.mu.Lock()
	defer estate.mu.Unlock()
	if args.MachineConfig.MachineNonce == "" {
		return nil, nil, nil, fmt.Errorf("cannot start instance: missing machine nonce")
	}
	if _, ok := e.Config().CACert(); !ok {
		return nil, nil, nil, fmt.Errorf("no CA certificate in environment configuration")
	}
	if args.MachineConfig.MongoInfo.Tag != names.NewMachineTag(machineId) {
		return nil, nil, nil, fmt.Errorf("entity tag must match started machine")
	}
	if args.MachineConfig.APIInfo.Tag != names.NewMachineTag(machineId) {
		return nil, nil, nil, fmt.Errorf("entity tag must match started machine")
	}
	logger.Infof("would pick tools from %s", args.Tools)
	series := args.Tools.OneSeries()

	idString := fmt.Sprintf("%s-%d", e.name, estate.maxId)
	addrs := network.NewAddresses(idString+".dns", "127.0.0.1")
	if estate.preferIPv6 {
		addrs = append(addrs, network.NewAddress(fmt.Sprintf("fc00::%x", estate.maxId+1), network.ScopeUnknown))
	}
	logger.Debugf("StartInstance addresses: %v", addrs)
	i := &dummyInstance{
		id:           instance.Id(idString),
		addresses:    addrs,
		ports:        make(map[network.Port]bool),
		machineId:    machineId,
		series:       series,
		firewallMode: e.Config().FirewallMode(),
		state:        estate,
	}

	var hc *instance.HardwareCharacteristics
	// To match current system capability, only provide hardware characteristics for
	// environ machines, not containers.
	if state.ParentId(machineId) == "" {
		// We will just assume the instance hardware characteristics exactly matches
		// the supplied constraints (if specified).
		hc = &instance.HardwareCharacteristics{
			Arch:     args.Constraints.Arch,
			Mem:      args.Constraints.Mem,
			RootDisk: args.Constraints.RootDisk,
			CpuCores: args.Constraints.CpuCores,
			CpuPower: args.Constraints.CpuPower,
			Tags:     args.Constraints.Tags,
		}
		// Fill in some expected instance hardware characteristics if constraints not specified.
		if hc.Arch == nil {
			arch := "amd64"
			hc.Arch = &arch
		}
		if hc.Mem == nil {
			mem := uint64(1024)
			hc.Mem = &mem
		}
		if hc.RootDisk == nil {
			disk := uint64(8192)
			hc.RootDisk = &disk
		}
		if hc.CpuCores == nil {
			cores := uint64(1)
			hc.CpuCores = &cores
		}
	}
	// Simulate networks added when requested.
	networks := append(args.Constraints.IncludeNetworks(), args.MachineConfig.Networks...)
	networkInfo := make([]network.Info, len(networks))
	for i, netName := range networks {
		if strings.HasPrefix(netName, "bad-") {
			// Simulate we didn't get correct information for the network.
			networkInfo[i] = network.Info{
				ProviderId:  network.Id(netName),
				NetworkName: netName,
				CIDR:        "invalid",
			}
		} else {
			networkInfo[i] = network.Info{
				ProviderId:    network.Id(netName),
				NetworkName:   netName,
				CIDR:          fmt.Sprintf("0.%d.2.0/24", i+1),
				InterfaceName: fmt.Sprintf("eth%d", i),
				VLANTag:       i,
				MACAddress:    fmt.Sprintf("aa:bb:cc:dd:ee:f%d", i),
			}
		}
	}
	estate.insts[i.id] = i
	estate.maxId++
	estate.ops <- OpStartInstance{
		Env:          e.name,
		MachineId:    machineId,
		MachineNonce: args.MachineConfig.MachineNonce,
		Constraints:  args.Constraints,
		Networks:     args.MachineConfig.Networks,
		NetworkInfo:  networkInfo,
		Instance:     i,
		Info:         args.MachineConfig.MongoInfo,
		APIInfo:      args.MachineConfig.APIInfo,
		Secret:       e.ecfg().secret(),
	}
	return i, hc, networkInfo, nil
}
Esempio n. 3
0
// StartInstance is specified in the InstanceBroker interface.
func (e *environ) StartInstance(args environs.StartInstanceParams) (*environs.StartInstanceResult, error) {

	defer delay()
	machineId := args.InstanceConfig.MachineId
	logger.Infof("dummy startinstance, machine %s", machineId)
	if err := e.checkBroken("StartInstance"); err != nil {
		return nil, err
	}
	estate, err := e.state()
	if err != nil {
		return nil, err
	}
	estate.mu.Lock()
	defer estate.mu.Unlock()

	// check if an error has been injected on the transientErrorInjection channel (testing purposes)
	select {
	case injectedError := <-transientErrorInjection:
		return nil, injectedError
	default:
	}

	if args.InstanceConfig.MachineNonce == "" {
		return nil, errors.New("cannot start instance: missing machine nonce")
	}
	if _, ok := e.Config().CACert(); !ok {
		return nil, errors.New("no CA certificate in model configuration")
	}
	if args.InstanceConfig.MongoInfo.Tag != names.NewMachineTag(machineId) {
		return nil, errors.New("entity tag must match started machine")
	}
	if args.InstanceConfig.APIInfo.Tag != names.NewMachineTag(machineId) {
		return nil, errors.New("entity tag must match started machine")
	}
	logger.Infof("would pick tools from %s", args.Tools)
	series := args.Tools.OneSeries()

	idString := fmt.Sprintf("%s-%d", e.name, estate.maxId)
	addrs := network.NewAddresses(idString+".dns", "127.0.0.1")
	if estate.preferIPv6 {
		addrs = append(addrs, network.NewAddress(fmt.Sprintf("fc00::%x", estate.maxId+1)))
	}
	logger.Debugf("StartInstance addresses: %v", addrs)
	i := &dummyInstance{
		id:           instance.Id(idString),
		addresses:    addrs,
		ports:        make(map[network.PortRange]bool),
		machineId:    machineId,
		series:       series,
		firewallMode: e.Config().FirewallMode(),
		state:        estate,
	}

	var hc *instance.HardwareCharacteristics
	// To match current system capability, only provide hardware characteristics for
	// environ machines, not containers.
	if state.ParentId(machineId) == "" {
		// We will just assume the instance hardware characteristics exactly matches
		// the supplied constraints (if specified).
		hc = &instance.HardwareCharacteristics{
			Arch:     args.Constraints.Arch,
			Mem:      args.Constraints.Mem,
			RootDisk: args.Constraints.RootDisk,
			CpuCores: args.Constraints.CpuCores,
			CpuPower: args.Constraints.CpuPower,
			Tags:     args.Constraints.Tags,
		}
		// Fill in some expected instance hardware characteristics if constraints not specified.
		if hc.Arch == nil {
			arch := "amd64"
			hc.Arch = &arch
		}
		if hc.Mem == nil {
			mem := uint64(1024)
			hc.Mem = &mem
		}
		if hc.RootDisk == nil {
			disk := uint64(8192)
			hc.RootDisk = &disk
		}
		if hc.CpuCores == nil {
			cores := uint64(1)
			hc.CpuCores = &cores
		}
	}
	// Simulate subnetsToZones gets populated when spaces given in constraints.
	spaces := args.Constraints.IncludeSpaces()
	var subnetsToZones map[network.Id][]string
	for isp := range spaces {
		// Simulate 2 subnets per space.
		if subnetsToZones == nil {
			subnetsToZones = make(map[network.Id][]string)
		}
		for isn := 0; isn < 2; isn++ {
			providerId := fmt.Sprintf("subnet-%d", isp+isn)
			zone := fmt.Sprintf("zone%d", isp+isn)
			subnetsToZones[network.Id(providerId)] = []string{zone}
		}
	}
	// Simulate creating volumes when requested.
	volumes := make([]storage.Volume, len(args.Volumes))
	for iv, v := range args.Volumes {
		persistent, _ := v.Attributes["persistent"].(bool)
		volumes[iv] = storage.Volume{
			Tag: names.NewVolumeTag(strconv.Itoa(iv + 1)),
			VolumeInfo: storage.VolumeInfo{
				Size:       v.Size,
				Persistent: persistent,
			},
		}
	}
	estate.insts[i.id] = i
	estate.maxId++
	estate.ops <- OpStartInstance{
		Env:              e.name,
		MachineId:        machineId,
		MachineNonce:     args.InstanceConfig.MachineNonce,
		PossibleTools:    args.Tools,
		Constraints:      args.Constraints,
		SubnetsToZones:   subnetsToZones,
		Volumes:          volumes,
		Instance:         i,
		Jobs:             args.InstanceConfig.Jobs,
		Info:             args.InstanceConfig.MongoInfo,
		APIInfo:          args.InstanceConfig.APIInfo,
		AgentEnvironment: args.InstanceConfig.AgentEnvironment,
		Secret:           e.ecfg().secret(),
	}
	return &environs.StartInstanceResult{
		Instance: i,
		Hardware: hc,
	}, nil
}