// 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
}
// 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
}
// 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
}