func (s *HardwareSuite) TestParseHardware(c *gc.C) {
for i, t := range parseHardwareTests {
c.Logf("test %d: %s", i, t.summary)
hwc, err := instance.ParseHardware(t.args...)
if t.err == "" {
c.Assert(err, gc.IsNil)
} else {
c.Assert(err, gc.ErrorMatches, t.err)
continue
}
cons1, err := instance.ParseHardware(hwc.String())
c.Assert(err, gc.IsNil)
c.Assert(cons1, gc.DeepEquals, hwc)
}
}
// FormatMachineTabular returns a tabular summary of machine
func FormatMachineTabular(value interface{}) ([]byte, error) {
fs, valueConverted := value.(formattedMachineStatus)
if !valueConverted {
return nil, errors.Errorf("expected value of type %T, got %T", fs, value)
}
var out bytes.Buffer
// To format things into columns.
tw := tabwriter.NewWriter(&out, 0, 1, 1, ' ', 0)
p := func(values ...interface{}) {
for _, v := range values {
fmt.Fprintf(tw, "%s\t", v)
}
fmt.Fprintln(tw)
}
p("\n[Machines]")
p("ID\tSTATE\tDNS\tINS-ID\tSERIES\tAZ")
for _, name := range common.SortStringsNaturally(stringKeysFromMap(fs.Machines)) {
m := fs.Machines[name]
// We want to display availability zone so extract from hardware info".
hw, err := instance.ParseHardware(m.Hardware)
if err != nil {
logger.Warningf("invalid hardware info %s for machine %v", m.Hardware, m)
}
az := ""
if hw.AvailabilityZone != nil {
az = *hw.AvailabilityZone
}
p(m.Id, m.AgentState, m.DNSName, m.InstanceId, m.Series, az)
}
tw.Flush()
return out.Bytes(), nil
}
func (manager *containerManager) CreateContainer(
machineConfig *cloudinit.MachineConfig,
series string,
network *container.NetworkConfig,
) (instance.Instance, *instance.HardwareCharacteristics, error) {
name := names.NewMachineTag(machineConfig.MachineId).String()
if manager.name != "" {
name = fmt.Sprintf("%s-%s", manager.name, name)
}
// Note here that the kvmObjectFacotry only returns a valid container
// object, and doesn't actually construct the underlying kvm container on
// disk.
kvmContainer := KvmObjectFactory.New(name)
// Create the cloud-init.
directory, err := container.NewDirectory(name)
if err != nil {
return nil, nil, fmt.Errorf("failed to create container directory: %v", err)
}
logger.Tracef("write cloud-init")
userDataFilename, err := container.WriteUserData(machineConfig, directory)
if err != nil {
return nil, nil, errors.LoggedErrorf(logger, "failed to write user data: %v", err)
}
// Create the container.
startParams = ParseConstraintsToStartParams(machineConfig.Constraints)
startParams.Arch = version.Current.Arch
startParams.Series = series
startParams.Network = network
startParams.UserDataFile = userDataFilename
// If the Simplestream requested is anything but released, update
// our StartParams to request it.
if machineConfig.ImageStream != imagemetadata.ReleasedStream {
startParams.ImageDownloadUrl = imagemetadata.UbuntuCloudImagesURL + "/" + machineConfig.ImageStream
}
var hardware instance.HardwareCharacteristics
hardware, err = instance.ParseHardware(
fmt.Sprintf("arch=%s mem=%vM root-disk=%vG cpu-cores=%v",
startParams.Arch, startParams.Memory, startParams.RootDisk, startParams.CpuCores))
if err != nil {
logger.Warningf("failed to parse hardware: %v", err)
}
logger.Tracef("create the container, constraints: %v", machineConfig.Constraints)
if err := kvmContainer.Start(startParams); err != nil {
return nil, nil, errors.LoggedErrorf(logger, "kvm container creation failed: %v", err)
}
logger.Tracef("kvm container created")
return &kvmInstance{kvmContainer, name}, &hardware, nil
}
func (ts *parseHardwareTestSpec) check(c *gc.C) {
hwc, err := instance.ParseHardware(ts.args...)
// Check the spec'ed error condition first.
if ts.err != "" {
c.Check(err, gc.ErrorMatches, ts.err)
// We expected an error so we don't worry about checking hwc.
return
} else if !c.Check(err, jc.ErrorIsNil) {
// We got an unexpected error so we don't worry about checking hwc.
return
}
// The error condition matched so we check hwc.
cons1, err := instance.ParseHardware(hwc.String())
if !c.Check(err, jc.ErrorIsNil) {
// Parsing didn't work so we don't worry about checking hwc.
return
}
// Compare the round-tripped HWC.
c.Check(cons1, gc.DeepEquals, hwc)
}
func printMachine(w output.Wrapper, m machineStatus) {
// We want to display availability zone so extract from hardware info".
hw, err := instance.ParseHardware(m.Hardware)
if err != nil {
logger.Warningf("invalid hardware info %s for machine %v", m.Hardware, m)
}
az := ""
if hw.AvailabilityZone != nil {
az = *hw.AvailabilityZone
}
w.Print(m.Id)
w.PrintStatus(m.JujuStatus.Current)
w.Println(m.DNSName, m.InstanceId, m.Series, az)
for _, name := range utils.SortStringsNaturally(stringKeysFromMap(m.Containers)) {
printMachine(w, m.Containers[name])
}
}
// getHardwareCharacteristics compiles hardware-related details about
// the given instance and relative to the provided spec and returns it.
func (env *environ) getHardwareCharacteristics(args environs.StartInstanceParams, inst *environInstance) *instance.HardwareCharacteristics {
raw := inst.raw.Hardware
archStr := raw.Architecture
if archStr == "unknown" || !arch.IsSupportedArch(archStr) {
// TODO(ericsnow) This special-case should be improved.
archStr = arch.HostArch()
}
hwc, err := instance.ParseHardware(
"arch="+archStr,
fmt.Sprintf("cpu-cores=%d", raw.NumCores),
fmt.Sprintf("mem=%dM", raw.MemoryMB),
//"root-disk=",
//"tags=",
)
if err != nil {
logger.Errorf("unexpected problem parsing hardware info: %v", err)
// Keep moving...
}
return &hwc
}
// FormatTabular returns a tabular summary of machines, services, and
// units. Any subordinate items are indented by two spaces beneath
// their superior.
func FormatTabular(value interface{}) ([]byte, error) {
fs, valueConverted := value.(formattedStatus)
if !valueConverted {
return nil, errors.Errorf("expected value of type %T, got %T", fs, value)
}
var out bytes.Buffer
// To format things into columns.
tw := tabwriter.NewWriter(&out, 0, 1, 1, ' ', 0)
p := func(values ...interface{}) {
for _, v := range values {
fmt.Fprintf(tw, "%s\t", v)
}
fmt.Fprintln(tw)
}
if envStatus := fs.ModelStatus; envStatus != nil {
p("[Model]")
if envStatus.AvailableVersion != "" {
p("UPGRADE-AVAILABLE")
p(envStatus.AvailableVersion)
}
p()
tw.Flush()
}
units := make(map[string]unitStatus)
relations := newRelationFormatter()
p("[Services]")
p("NAME\tSTATUS\tEXPOSED\tCHARM")
for _, svcName := range common.SortStringsNaturally(stringKeysFromMap(fs.Services)) {
svc := fs.Services[svcName]
for un, u := range svc.Units {
units[un] = u
}
subs := set.NewStrings(svc.SubordinateTo...)
p(svcName, svc.StatusInfo.Current, fmt.Sprintf("%t", svc.Exposed), svc.Charm)
for relType, relatedUnits := range svc.Relations {
for _, related := range relatedUnits {
relations.add(related, svcName, relType, subs.Contains(related))
}
}
}
if relations.len() > 0 {
p()
p("[Relations]")
p("SERVICE1\tSERVICE2\tRELATION\tTYPE")
for _, k := range relations.sorted() {
r := relations.get(k)
if r != nil {
p(r.service1, r.service2, r.relation, r.relationType())
}
}
}
tw.Flush()
pUnit := func(name string, u unitStatus, level int) {
message := u.WorkloadStatusInfo.Message
agentDoing := agentDoing(u.AgentStatusInfo)
if agentDoing != "" {
message = fmt.Sprintf("(%s) %s", agentDoing, message)
}
p(
indent("", level*2, name),
u.WorkloadStatusInfo.Current,
u.AgentStatusInfo.Current,
u.AgentStatusInfo.Version,
u.Machine,
strings.Join(u.OpenedPorts, ","),
u.PublicAddress,
message,
)
}
header := []string{"ID", "WORKLOAD-STATE", "AGENT-STATE", "VERSION", "MACHINE", "PORTS", "PUBLIC-ADDRESS", "MESSAGE"}
p("\n[Units]")
p(strings.Join(header, "\t"))
for _, name := range common.SortStringsNaturally(stringKeysFromMap(units)) {
u := units[name]
pUnit(name, u, 0)
const indentationLevel = 1
recurseUnits(u, indentationLevel, pUnit)
}
tw.Flush()
p("\n[Machines]")
p("ID\tSTATE\tDNS\tINS-ID\tSERIES\tAZ")
for _, name := range common.SortStringsNaturally(stringKeysFromMap(fs.Machines)) {
m := fs.Machines[name]
// We want to display availability zone so extract from hardware info".
hw, err := instance.ParseHardware(m.Hardware)
if err != nil {
logger.Warningf("invalid hardware info %s for machine %v", m.Hardware, m)
}
az := ""
if hw.AvailabilityZone != nil {
az = *hw.AvailabilityZone
}
p(m.Id, m.AgentState, m.DNSName, m.InstanceId, m.Series, az)
}
tw.Flush()
return out.Bytes(), nil
}
func (manager *containerManager) CreateContainer(
instanceConfig *instancecfg.InstanceConfig,
cons constraints.Value,
series string,
networkConfig *container.NetworkConfig,
storageConfig *container.StorageConfig,
callback container.StatusCallback,
) (_ instance.Instance, _ *instance.HardwareCharacteristics, err error) {
name, err := manager.namespace.Hostname(instanceConfig.MachineId)
if err != nil {
return nil, nil, errors.Trace(err)
}
defer func() {
if err != nil {
callback(status.ProvisioningError, fmt.Sprintf("Creating container: %v", err), nil)
}
}()
// Set the MachineContainerHostname to match the name returned by virsh list
instanceConfig.MachineContainerHostname = name
// Note here that the kvmObjectFactory only returns a valid container
// object, and doesn't actually construct the underlying kvm container on
// disk.
kvmContainer := KvmObjectFactory.New(name)
// Create the cloud-init.
directory, err := container.NewDirectory(name)
if err != nil {
return nil, nil, errors.Annotate(err, "failed to create container directory")
}
logger.Tracef("write cloud-init")
userDataFilename, err := containerinit.WriteUserData(instanceConfig, networkConfig, directory)
if err != nil {
logger.Infof("machine config api %#v", *instanceConfig.APIInfo)
err = errors.Annotate(err, "failed to write user data")
logger.Infof(err.Error())
return nil, nil, err
}
// Create the container.
startParams = ParseConstraintsToStartParams(cons)
startParams.Arch = arch.HostArch()
startParams.Series = series
startParams.Network = networkConfig
startParams.UserDataFile = userDataFilename
// If the Simplestream requested is anything but released, update
// our StartParams to request it.
if instanceConfig.ImageStream != imagemetadata.ReleasedStream {
startParams.ImageDownloadUrl = imagemetadata.UbuntuCloudImagesURL + "/" + instanceConfig.ImageStream
}
var hardware instance.HardwareCharacteristics
hardware, err = instance.ParseHardware(
fmt.Sprintf("arch=%s mem=%vM root-disk=%vG cores=%v",
startParams.Arch, startParams.Memory, startParams.RootDisk, startParams.CpuCores))
if err != nil {
return nil, nil, errors.Annotate(err, "failed to parse hardware")
}
callback(status.Allocating, "Creating container; it might take some time", nil)
logger.Tracef("create the container, constraints: %v", cons)
if err := kvmContainer.Start(startParams); err != nil {
err = errors.Annotate(err, "kvm container creation failed")
logger.Infof(err.Error())
return nil, nil, err
}
logger.Tracef("kvm container created")
return &kvmInstance{kvmContainer, name}, &hardware, nil
}