// SeriesImage gets an instances.Image for the specified series, image stream
// and location. The resulting Image's ID is in the URN format expected by
// Azure Resource Manager.
//
// For Ubuntu, we query the SKUs to determine the most recent point release
// for a series.
func SeriesImage(
series, stream, location string,
client compute.VirtualMachineImagesClient,
) (*instances.Image, error) {
seriesOS, err := jujuseries.GetOSFromSeries(series)
if err != nil {
return nil, errors.Trace(err)
}
var publisher, offering, sku string
switch seriesOS {
case os.Ubuntu:
publisher = ubuntuPublisher
offering = ubuntuOffering
sku, err = ubuntuSKU(series, stream, location, client)
if err != nil {
return nil, errors.Annotatef(err, "selecting SKU for %s", series)
}
case os.Windows:
publisher = windowsPublisher
offering = windowsOffering
switch series {
case "win2012":
sku = "2012-Datacenter"
case "win2012r2":
sku = "2012-R2-Datacenter"
default:
return nil, errors.NotSupportedf("deploying %s", series)
}
case os.CentOS:
publisher = centOSPublisher
offering = centOSOffering
switch series {
case "centos7":
sku = "7.1"
default:
return nil, errors.NotSupportedf("deploying %s", series)
}
default:
// TODO(axw) CentOS
return nil, errors.NotSupportedf("deploying %s", seriesOS)
}
return &instances.Image{
Id: fmt.Sprintf("%s:%s:%s:latest", publisher, offering, sku),
Arch: arch.AMD64,
VirtType: "Hyper-V",
}, nil
}
// Validate checks the service for invalid values.
func (s *Service) Validate() error {
if err := s.Service.Validate(renderer); err != nil {
return errors.Trace(err)
}
if s.Service.Conf.Transient {
return errors.NotSupportedf("transient services")
}
if s.Service.Conf.AfterStopped != "" {
return errors.NotSupportedf("Conf.AfterStopped")
}
return nil
}
// AssertProviderCredentialsValid asserts that the given provider is
// able to validate the given authentication type and credential
// attributes; and that removing any one of the attributes will cause
// the validation to fail.
func AssertProviderCredentialsValid(c *gc.C, p environs.EnvironProvider, authType cloud.AuthType, attrs map[string]string) {
schema, ok := p.CredentialSchemas()[authType]
c.Assert(ok, jc.IsTrue, gc.Commentf("missing schema for %q auth-type", authType))
validate := func(attrs map[string]string) error {
_, err := schema.Finalize(attrs, func(string) ([]byte, error) {
return nil, errors.NotSupportedf("reading files")
})
return err
}
err := validate(attrs)
c.Assert(err, jc.ErrorIsNil)
for excludedKey := range attrs {
field, _ := schema.Attribute(excludedKey)
if field.Optional {
continue
}
reducedAttrs := make(map[string]string)
for key, value := range attrs {
if key != excludedKey {
reducedAttrs[key] = value
}
}
err := validate(reducedAttrs)
if field.FileAttr != "" {
c.Assert(err, gc.ErrorMatches, fmt.Sprintf(
`either %q or %q must be specified`, excludedKey, field.FileAttr),
)
} else {
c.Assert(err, gc.ErrorMatches, excludedKey+": expected string, got nothing")
}
}
}
// parseJSONKey extracts the auth information from the JSON file
// downloaded from the GCE console (under /apiui/credential).
func parseJSONKey(jsonKey []byte) (map[string]string, error) {
in := make(map[string]string)
if err := json.Unmarshal(jsonKey, &in); err != nil {
return nil, errors.Trace(err)
}
keyType, ok := in["type"]
if !ok {
return nil, errors.New(`missing "type"`)
}
switch keyType {
case jsonKeyTypeServiceAccount:
out := make(map[string]string)
for k, v := range in {
switch k {
case "private_key":
out[OSEnvPrivateKey] = v
case "client_email":
out[OSEnvClientEmail] = v
case "client_id":
out[OSEnvClientID] = v
case "project_id":
out[OSEnvProjectID] = v
}
}
return out, nil
default:
return nil, errors.NotSupportedf("JSON key type %q", keyType)
}
}
// getKeystoneToolsSource is a tools.ToolsDataSourceFunc that
// returns a DataSource using the "juju-tools" keystone URL.
func getKeystoneToolsSource(env environs.Environ) (simplestreams.DataSource, error) {
e, ok := env.(*Environ)
if !ok {
return nil, errors.NotSupportedf("non-openstack model")
}
return e.getKeystoneDataSource(&e.keystoneToolsDataSourceMutex, &e.keystoneToolsDataSource, "juju-tools")
}
// AuthToken returns a service principal token, suitable for authorizing
// Resource Manager API requests, based on the supplied CloudSpec.
func AuthToken(cloud environs.CloudSpec, sender autorest.Sender) (*azure.ServicePrincipalToken, error) {
if authType := cloud.Credential.AuthType(); authType != clientCredentialsAuthType {
// We currently only support a single auth-type for
// non-interactive authentication. Interactive auth
// is used only to generate a service-principal.
return nil, errors.NotSupportedf("auth-type %q", authType)
}
credAttrs := cloud.Credential.Attributes()
subscriptionId := credAttrs[credAttrSubscriptionId]
appId := credAttrs[credAttrAppId]
appPassword := credAttrs[credAttrAppPassword]
client := subscriptions.Client{subscriptions.NewWithBaseURI(cloud.Endpoint)}
client.Sender = sender
oauthConfig, _, err := azureauth.OAuthConfig(client, cloud.Endpoint, subscriptionId)
if err != nil {
return nil, errors.Trace(err)
}
resource := azureauth.TokenResource(cloud.Endpoint)
token, err := azure.NewServicePrincipalToken(
*oauthConfig,
appId,
appPassword,
resource,
)
if err != nil {
return nil, errors.Annotate(err, "constructing service principal token")
}
if sender != nil {
token.SetSender(sender)
}
return token, nil
}
func (s *SubnetsSuite) TestAllZonesWithNoBackingZonesAndSetFails(c *gc.C) {
apiservertesting.BackingInstance.SetUp(c, apiservertesting.StubZonedEnvironName, apiservertesting.WithoutZones, apiservertesting.WithSpaces, apiservertesting.WithSubnets)
apiservertesting.SharedStub.SetErrors(
nil, // Backing.AvailabilityZones
nil, // Backing.EnvironConfig
nil, // Provider.Open
nil, // ZonedEnviron.AvailabilityZones
errors.NotSupportedf("setting"), // Backing.SetAvailabilityZones
)
results, err := s.facade.AllZones()
c.Assert(err, gc.ErrorMatches,
`cannot update known zones: setting not supported`,
)
// Verify the cause is not obscured.
c.Assert(err, jc.Satisfies, errors.IsNotSupported)
c.Assert(results, jc.DeepEquals, params.ZoneResults{})
apiservertesting.CheckMethodCalls(c, apiservertesting.SharedStub,
apiservertesting.BackingCall("AvailabilityZones"),
apiservertesting.BackingCall("EnvironConfig"),
apiservertesting.ProviderCall("Open", apiservertesting.BackingInstance.EnvConfig),
apiservertesting.ZonedEnvironCall("AvailabilityZones"),
apiservertesting.BackingCall("SetAvailabilityZones", apiservertesting.ProviderInstance.Zones),
)
}
// AllocateAddress requests an address to be allocated for the
// given instance on the given subnet.
func (env *environ) AllocateAddress(instId instance.Id, subnetId network.Id, addr network.Address, macAddress, hostname string) error {
if !environs.AddressAllocationEnabled() {
return errors.NotSupportedf("address allocation")
}
if err := env.checkBroken("AllocateAddress"); err != nil {
return err
}
estate, err := env.state()
if err != nil {
return err
}
estate.mu.Lock()
defer estate.mu.Unlock()
estate.maxAddr++
estate.ops <- OpAllocateAddress{
Env: env.name,
InstanceId: instId,
SubnetId: subnetId,
Address: addr,
MACAddress: macAddress,
HostName: hostname,
}
return nil
}
// NetworkGet returns the specified network's configuration.
func (c *networkClient) NetworkGet(name string) (shared.NetworkConfig, error) {
if !c.supported {
return shared.NetworkConfig{}, errors.NotSupportedf("network API not supported on this remote")
}
return c.raw.NetworkGet(name)
}
// WatchDebugLog returns a ReadCloser that the caller can read the log
// lines from. Only log lines that match the filtering specified in
// the DebugLogParams are returned. It returns an error that satisfies
// errors.IsNotImplemented when the API server does not support the
// end-point.
//
// TODO(dimitern) We already have errors.IsNotImplemented - why do we
// need to define a different error for this purpose here?
func (c *Client) WatchDebugLog(args DebugLogParams) (io.ReadCloser, error) {
// The websocket connection just hangs if the server doesn't have the log
// end point. So do a version check, as version was added at the same time
// as the remote end point.
_, err := c.AgentVersion()
if err != nil {
return nil, errors.NotSupportedf("WatchDebugLog")
}
// Prepare URL query attributes.
attrs := url.Values{
"includeEntity": args.IncludeEntity,
"includeModule": args.IncludeModule,
"excludeEntity": args.ExcludeEntity,
"excludeModule": args.ExcludeModule,
}
if args.Replay {
attrs.Set("replay", fmt.Sprint(args.Replay))
}
if args.Limit > 0 {
attrs.Set("maxLines", fmt.Sprint(args.Limit))
}
if args.Backlog > 0 {
attrs.Set("backlog", fmt.Sprint(args.Backlog))
}
if args.Level != loggo.UNSPECIFIED {
attrs.Set("level", fmt.Sprint(args.Level))
}
connection, err := c.st.ConnectStream("/log", attrs)
if err != nil {
return nil, errors.Trace(err)
}
return connection, nil
}
// BootstrapConfig is specified in the EnvironProvider interface.
func (p maasEnvironProvider) BootstrapConfig(args environs.BootstrapConfigParams) (*config.Config, error) {
// For MAAS, either:
// 1. the endpoint from the cloud definition defines the MAAS server URL
// (if a full cloud definition had been set up)
// 2. the region defines the MAAS server ip/host
// (if the bootstrap shortcut is used)
server := args.CloudEndpoint
if server == "" && args.CloudRegion != "" {
server = fmt.Sprintf("http://%s/MAAS", args.CloudRegion)
}
if server == "" {
return nil, errors.New("MAAS server not specified")
}
attrs := map[string]interface{}{
"maas-server": server,
}
// Add the credentials.
switch authType := args.Credentials.AuthType(); authType {
case cloud.OAuth1AuthType:
credentialAttrs := args.Credentials.Attributes()
for k, v := range credentialAttrs {
attrs[k] = v
}
default:
return nil, errors.NotSupportedf("%q auth-type", authType)
}
cfg, err := args.Config.Apply(attrs)
if err != nil {
return nil, errors.Trace(err)
}
return p.PrepareForCreateEnvironment(cfg)
}
// SetStatus updates the status of the named service.
func (f *FakeServiceData) SetStatus(name, status string) error {
f.mu.Lock()
defer f.mu.Unlock()
if status == "" {
f.managedNames.Remove(name)
f.installedNames.Remove(name)
f.runningNames.Remove(name)
return nil
}
managed := true
if strings.HasPrefix(status, "(") && strings.HasSuffix(status, ")") {
status = status[1 : len(status)-1]
managed = false
}
switch status {
case "installed":
f.installedNames.Add(name)
f.runningNames.Remove(name)
case "running":
f.installedNames.Add(name)
f.runningNames.Add(name)
default:
return errors.NotSupportedf("status %q", status)
}
if managed {
f.managedNames.Add(name)
}
return nil
}
// NewWorker starts an http server listening on an abstract domain socket
// which will be created with the specified name.
func NewWorker(config Config) (worker.Worker, error) {
if err := config.Validate(); err != nil {
return nil, errors.Trace(err)
}
if runtime.GOOS != "linux" {
return nil, errors.NotSupportedf("os %q", runtime.GOOS)
}
path := "@" + config.SocketName
addr, err := net.ResolveUnixAddr("unix", path)
if err != nil {
return nil, errors.Annotate(err, "unable to resolve unix socket")
}
l, err := net.ListenUnix("unix", addr)
if err != nil {
return nil, errors.Annotate(err, "unable to listen on unix socket")
}
logger.Debugf("introspection worker listening on %q", path)
w := &socketListener{
listener: l,
reporter: config.Reporter,
done: make(chan struct{}),
}
go w.serve()
go w.run()
return w, nil
}
// BootstrapConfig is specified in the EnvironProvider interface.
func (p environProvider) BootstrapConfig(args environs.BootstrapConfigParams) (*config.Config, error) {
// Add credentials to the configuration.
attrs := map[string]interface{}{
"region": args.CloudRegion,
// TODO(axw) stop relying on hard-coded
// region endpoint information
// in the provider, and use
// args.CloudEndpoint here.
}
switch authType := args.Credentials.AuthType(); authType {
case cloud.AccessKeyAuthType:
credentialAttrs := args.Credentials.Attributes()
attrs["access-key"] = credentialAttrs["access-key"]
attrs["secret-key"] = credentialAttrs["secret-key"]
default:
return nil, errors.NotSupportedf("%q auth-type", authType)
}
// Set the default block-storage source.
if _, ok := args.Config.StorageDefaultBlockSource(); !ok {
attrs[config.StorageDefaultBlockSourceKey] = EBS_ProviderType
}
cfg, err := args.Config.Apply(attrs)
if err != nil {
return nil, errors.Trace(err)
}
return p.PrepareForCreateEnvironment(cfg)
}
// BootstrapConfig is specified in the EnvironProvider interface.
func (prov *azureEnvironProvider) BootstrapConfig(args environs.BootstrapConfigParams) (*config.Config, error) {
// Ensure that internal configuration is not specified, and then set
// what we can now. We only need to do this during bootstrap. Validate
// will check for changes later.
unknownAttrs := args.Config.UnknownAttrs()
for _, key := range internalConfigAttributes {
if _, ok := unknownAttrs[key]; ok {
return nil, errors.Errorf(`internal config %q must not be specified`, key)
}
}
attrs := map[string]interface{}{
configAttrLocation: args.CloudRegion,
configAttrEndpoint: args.CloudEndpoint,
configAttrStorageEndpoint: args.CloudStorageEndpoint,
}
switch authType := args.Credentials.AuthType(); authType {
case cloud.UserPassAuthType:
for k, v := range args.Credentials.Attributes() {
attrs[k] = v
}
default:
return nil, errors.NotSupportedf("%q auth-type", authType)
}
cfg, err := args.Config.Apply(attrs)
if err != nil {
return nil, errors.Annotate(err, "updating config")
}
return cfg, nil
}
// FilesystemSource is defined on storage.Provider.
func (p *StorageProvider) FilesystemSource(environConfig *config.Config, providerConfig *storage.Config) (storage.FilesystemSource, error) {
p.MethodCall(p, "FilesystemSource", environConfig, providerConfig)
if p.FilesystemSourceFunc != nil {
return p.FilesystemSourceFunc(environConfig, providerConfig)
}
return nil, errors.NotSupportedf("filesystems")
}
// NetworkCreate creates the specified network.
func (c *networkClient) NetworkCreate(name string, config map[string]string) error {
if !c.supported {
return errors.NotSupportedf("network API not supported on this remote")
}
return c.raw.NetworkCreate(name, config)
}
// parseJSONKey extracts the auth information from the JSON file
// downloaded from the GCE console (under /apiui/credential).
func parseJSONKey(jsonKey []byte) (map[string]string, error) {
data := make(map[string]string)
if err := json.Unmarshal(jsonKey, &data); err != nil {
return nil, errors.Trace(err)
}
keyType, ok := data["type"]
if !ok {
return nil, errors.New(`missing "type"`)
}
switch keyType {
case jsonKeyTypeServiceAccount:
for k, v := range data {
switch k {
case "private_key":
data[OSEnvPrivateKey] = v
delete(data, k)
case "client_email":
data[OSEnvClientEmail] = v
delete(data, k)
case "client_id":
data[OSEnvClientID] = v
delete(data, k)
}
}
default:
return nil, errors.NotSupportedf("JSON key type %q", data["type"])
}
return data, nil
}
// InstanceAvailabilityZoneNames implements environs.ZonedEnviron.
func (env *environ) InstanceAvailabilityZoneNames(ids []instance.Id) ([]string, error) {
// TODO(dimitern): Fix this properly.
if err := env.checkBroken("InstanceAvailabilityZoneNames"); err != nil {
return nil, errors.NotSupportedf("instance availability zones")
}
return []string{"zone1"}, nil
}
func (v *azureVolumeSource) attachVolume(
p storage.VolumeAttachmentParams,
role *gwacl.PersistentVMRole,
) (*storage.VolumeAttachment, error) {
var disks []gwacl.DataVirtualHardDisk
if role.DataVirtualHardDisks != nil {
disks = *role.DataVirtualHardDisks
}
// Check if the disk is already attached to the machine.
mediaLinkPrefix := v.vhdMediaLinkPrefix()
for _, disk := range disks {
if !strings.HasPrefix(disk.MediaLink, mediaLinkPrefix) {
continue
}
_, volumeId := path.Split(disk.MediaLink)
if volumeId != p.VolumeId {
continue
}
return &storage.VolumeAttachment{
p.Volume,
p.Machine,
storage.VolumeAttachmentInfo{
BusAddress: diskBusAddress(disk.LUN),
},
}, nil
}
// If the disk is not attached already, the AttachVolumes call must
// fail. We do not support persistent volumes at the moment, and if
// we get here it means that the disk has been detached out of band.
return nil, errors.NotSupportedf("attaching volumes")
}
func getImageSource(env environs.Environ) (simplestreams.DataSource, error) {
e, ok := env.(*environ)
if !ok {
return nil, errors.NotSupportedf("non-cloudsigma environment")
}
return simplestreams.NewURLDataSource("cloud images", fmt.Sprintf(CloudsigmaCloudImagesURLTemplate, e.ecfg.region()), utils.VerifySSLHostnames), nil
}
func (s *userManagerSuite) SetUpTest(c *gc.C) {
s.JujuConnSuite.SetUpTest(c)
s.createLocalLoginMacaroon = func(tag names.UserTag) (*macaroon.Macaroon, error) {
return nil, errors.NotSupportedf("CreateLocalLoginMacaroon")
}
s.resources = common.NewResources()
s.resources.RegisterNamed("createLocalLoginMacaroon", common.ValueResource{
func(tag names.UserTag) (*macaroon.Macaroon, error) {
return s.createLocalLoginMacaroon(tag)
},
})
adminTag := s.AdminUserTag(c)
s.adminName = adminTag.Name()
s.authorizer = apiservertesting.FakeAuthorizer{
Tag: adminTag,
}
var err error
s.usermanager, err = usermanager.NewUserManagerAPI(s.State, s.resources, s.authorizer)
c.Assert(err, jc.ErrorIsNil)
s.BlockHelper = commontesting.NewBlockHelper(s.APIState)
s.AddCleanup(func(*gc.C) { s.BlockHelper.Close() })
}
// FinalizeCredential is part of the environs.ProviderCredentials interface.
func (c environProviderCredentials) FinalizeCredential(
ctx environs.FinalizeCredentialContext,
args environs.FinalizeCredentialParams,
) (*cloud.Credential, error) {
switch authType := args.Credential.AuthType(); authType {
case deviceCodeAuthType:
subscriptionId := args.Credential.Attributes()[credAttrSubscriptionId]
applicationId, password, err := c.interactiveCreateServicePrincipal(
ctx.GetStderr(),
c.sender,
c.requestInspector,
args.CloudEndpoint,
args.CloudIdentityEndpoint,
subscriptionId,
clock.WallClock,
utils.NewUUID,
)
if err != nil {
return nil, errors.Trace(err)
}
out := cloud.NewCredential(clientCredentialsAuthType, map[string]string{
credAttrSubscriptionId: subscriptionId,
credAttrAppId: applicationId,
credAttrAppPassword: password,
})
out.Label = args.Credential.Label
return &out, nil
case clientCredentialsAuthType:
return &args.Credential, nil
default:
return nil, errors.NotSupportedf("%q auth-type", authType)
}
}
// vmExtension creates a CustomScript VM extension for the given VM
// which will execute the CustomData on the machine as a script.
func vmExtensionProperties(os jujuos.OSType) (*compute.VirtualMachineExtensionProperties, error) {
var commandToExecute, extensionPublisher, extensionType, extensionVersion string
switch os {
case jujuos.Windows:
commandToExecute = windowsExecuteCustomScriptCommand
extensionPublisher = windowsCustomScriptPublisher
extensionType = windowsCustomScriptType
extensionVersion = windowsCustomScriptVersion
case jujuos.CentOS:
commandToExecute = linuxExecuteCustomScriptCommand
extensionPublisher = linuxCustomScriptPublisher
extensionType = linuxCustomScriptType
extensionVersion = linuxCustomScriptVersion
default:
// Ubuntu renders CustomData as cloud-config, and interprets
// it with cloud-init. Windows and CentOS do not use cloud-init
// on Azure.
return nil, errors.NotSupportedf("CustomScript extension for OS %q", os)
}
extensionSettings := map[string]interface{}{
"commandToExecute": commandToExecute,
}
return &compute.VirtualMachineExtensionProperties{
Publisher: to.StringPtr(extensionPublisher),
Type: to.StringPtr(extensionType),
TypeHandlerVersion: to.StringPtr(extensionVersion),
AutoUpgradeMinorVersion: to.BoolPtr(true),
Settings: &extensionSettings,
}, nil
}
// BootstrapConfig is specified in the EnvironProvider interface.
func (p EnvironProvider) BootstrapConfig(args environs.BootstrapConfigParams) (*config.Config, error) {
// Add credentials to the configuration.
attrs := map[string]interface{}{
"region": args.CloudRegion,
"auth-url": args.CloudEndpoint,
}
credentialAttrs := args.Credentials.Attributes()
switch authType := args.Credentials.AuthType(); authType {
case cloud.UserPassAuthType:
// TODO(axw) we need a way of saying to use legacy auth.
attrs["username"] = credentialAttrs["username"]
attrs["password"] = credentialAttrs["password"]
attrs["tenant-name"] = credentialAttrs["tenant-name"]
attrs["domain-name"] = credentialAttrs["domain-name"]
attrs["auth-mode"] = AuthUserPass
case cloud.AccessKeyAuthType:
attrs["access-key"] = credentialAttrs["access-key"]
attrs["secret-key"] = credentialAttrs["secret-key"]
attrs["tenant-name"] = credentialAttrs["tenant-name"]
attrs["auth-mode"] = AuthKeyPair
default:
return nil, errors.NotSupportedf("%q auth-type", authType)
}
// Set the default block-storage source.
if _, ok := args.Config.StorageDefaultBlockSource(); !ok {
attrs[config.StorageDefaultBlockSourceKey] = CinderProviderType
}
cfg, err := args.Config.Apply(attrs)
if err != nil {
return nil, errors.Trace(err)
}
return p.PrepareForCreateEnvironment(cfg)
}
// prepareContainerAccessEnvironment retrieves the environment, host machine, and access
// for working with containers.
func (p *ProvisionerAPI) prepareContainerAccessEnvironment() (environs.NetworkingEnviron, *state.Machine, common.AuthFunc, error) {
cfg, err := p.st.EnvironConfig()
if err != nil {
return nil, nil, nil, errors.Annotate(err, "failed to get environment config")
}
environ, err := environs.New(cfg)
if err != nil {
return nil, nil, nil, errors.Annotate(err, "failed to construct an environment from config")
}
netEnviron, supported := environs.SupportsNetworking(environ)
if !supported {
// " not supported" will be appended to the message below.
return nil, nil, nil, errors.NotSupportedf("environment %q networking", cfg.Name())
}
canAccess, err := p.getAuthFunc()
if err != nil {
return nil, nil, nil, errors.Annotate(err, "cannot authenticate request")
}
hostAuthTag := p.authorizer.GetAuthTag()
if hostAuthTag == nil {
return nil, nil, nil, errors.Errorf("authenticated entity tag is nil")
}
hostTag, err := names.ParseMachineTag(hostAuthTag.String())
if err != nil {
return nil, nil, nil, errors.Trace(err)
}
host, err := p.getMachine(canAccess, hostTag)
if err != nil {
return nil, nil, nil, errors.Trace(err)
}
return netEnviron, host, canAccess, nil
}
// UserdataConfig is supposed to take in an instanceConfig as well as a
// cloudinit.cloudConfig and add attributes in the cloudinit structure based on
// the values inside instanceConfig and on the series
func NewUserdataConfig(icfg *instancecfg.InstanceConfig, conf cloudinit.CloudConfig) (UserdataConfig, error) {
// TODO(ericsnow) bug #1426217
// Protect icfg and conf better.
operatingSystem, err := series.GetOSFromSeries(icfg.Series)
if err != nil {
return nil, err
}
base := baseConfigure{
tag: names.NewMachineTag(icfg.MachineId),
icfg: icfg,
conf: conf,
os: operatingSystem,
}
switch operatingSystem {
case os.Ubuntu:
return &unixConfigure{base}, nil
case os.CentOS:
return &unixConfigure{base}, nil
case os.Windows:
return &windowsConfigure{base}, nil
default:
return nil, errors.NotSupportedf("OS %s", icfg.Series)
}
}
// VolumeSource is defined on storage.Provider.
func (p *StorageProvider) VolumeSource(environConfig *config.Config, providerConfig *storage.Config) (storage.VolumeSource, error) {
p.MethodCall(p, "VolumeSource", environConfig, providerConfig)
if p.VolumeSourceFunc != nil {
return p.VolumeSourceFunc(environConfig, providerConfig)
}
return nil, errors.NotSupportedf("volumes")
}
// NewCredentials returns a new Credentials based on the provided
// values. The keys must be recognized OS env var names for the
// different credential fields.
func NewCredentials(values map[string]string) (*Credentials, error) {
var creds Credentials
for k, v := range values {
switch k {
case OSEnvClientID:
creds.ClientID = v
case OSEnvClientEmail:
creds.ClientEmail = v
case OSEnvProjectID:
creds.ProjectID = v
case OSEnvPrivateKey:
creds.PrivateKey = []byte(v)
default:
return nil, errors.NotSupportedf("key %q", k)
}
}
if err := creds.Validate(); err != nil {
return nil, errors.Trace(err)
}
jk, err := creds.buildJSONKey()
if err != nil {
return nil, errors.Trace(err)
}
creds.JSONKey = jk
return &creds, nil
}
// getKeystoneImageSource is an imagemetadata.ImageDataSourceFunc that
// returns a DataSource using the "product-streams" keystone URL.
func getKeystoneImageSource(env environs.Environ) (simplestreams.DataSource, error) {
e, ok := env.(*Environ)
if !ok {
return nil, errors.NotSupportedf("non-openstack environment")
}
return e.getKeystoneDataSource(&e.keystoneImageDataSourceMutex, &e.keystoneImageDataSource, "product-streams")
}
