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azure.go
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azure.go
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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure
import (
"fmt"
"io"
"io/ioutil"
"strings"
"time"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/util/flowcontrol"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/cloudprovider/providers/azure/auth"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/version"
"github.com/Azure/azure-sdk-for-go/arm/compute"
"github.com/Azure/azure-sdk-for-go/arm/disk"
"github.com/Azure/azure-sdk-for-go/arm/network"
"github.com/Azure/azure-sdk-for-go/arm/storage"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/ghodss/yaml"
"github.com/golang/glog"
)
const (
// CloudProviderName is the value used for the --cloud-provider flag
CloudProviderName = "azure"
rateLimitQPSDefault = 1.0
rateLimitBucketDefault = 5
backoffRetriesDefault = 6
backoffExponentDefault = 1.5
backoffDurationDefault = 5 // in seconds
backoffJitterDefault = 1.0
maximumLoadBalancerRuleCount = 148 // According to Azure LB rule default limit
vmTypeVMSS = "vmss"
vmTypeStandard = "standard"
)
// Config holds the configuration parsed from the --cloud-config flag
// All fields are required unless otherwise specified
type Config struct {
auth.AzureAuthConfig
// The name of the resource group that the cluster is deployed in
ResourceGroup string `json:"resourceGroup" yaml:"resourceGroup"`
// The location of the resource group that the cluster is deployed in
Location string `json:"location" yaml:"location"`
// The name of the VNet that the cluster is deployed in
VnetName string `json:"vnetName" yaml:"vnetName"`
// The name of the resource group that the Vnet is deployed in
VnetResourceGroup string `json:"vnetResourceGroup" yaml:"vnetResourceGroup"`
// The name of the subnet that the cluster is deployed in
SubnetName string `json:"subnetName" yaml:"subnetName"`
// The name of the security group attached to the cluster's subnet
SecurityGroupName string `json:"securityGroupName" yaml:"securityGroupName"`
// (Optional in 1.6) The name of the route table attached to the subnet that the cluster is deployed in
RouteTableName string `json:"routeTableName" yaml:"routeTableName"`
// (Optional) The name of the availability set that should be used as the load balancer backend
// If this is set, the Azure cloudprovider will only add nodes from that availability set to the load
// balancer backend pool. If this is not set, and multiple agent pools (availability sets) are used, then
// the cloudprovider will try to add all nodes to a single backend pool which is forbidden.
// In other words, if you use multiple agent pools (availability sets), you MUST set this field.
PrimaryAvailabilitySetName string `json:"primaryAvailabilitySetName" yaml:"primaryAvailabilitySetName"`
// The type of azure nodes. Candidate valudes are: vmss and standard.
// If not set, it will be default to standard.
VMType string `json:"vmType" yaml:"vmType"`
// The name of the scale set that should be used as the load balancer backend.
// If this is set, the Azure cloudprovider will only add nodes from that scale set to the load
// balancer backend pool. If this is not set, and multiple agent pools (scale sets) are used, then
// the cloudprovider will try to add all nodes to a single backend pool which is forbidden.
// In other words, if you use multiple agent pools (scale sets), you MUST set this field.
PrimaryScaleSetName string `json:"primaryScaleSetName" yaml:"primaryScaleSetName"`
// Enable exponential backoff to manage resource request retries
CloudProviderBackoff bool `json:"cloudProviderBackoff" yaml:"cloudProviderBackoff"`
// Backoff retry limit
CloudProviderBackoffRetries int `json:"cloudProviderBackoffRetries" yaml:"cloudProviderBackoffRetries"`
// Backoff exponent
CloudProviderBackoffExponent float64 `json:"cloudProviderBackoffExponent" yaml:"cloudProviderBackoffExponent"`
// Backoff duration
CloudProviderBackoffDuration int `json:"cloudProviderBackoffDuration" yaml:"cloudProviderBackoffDuration"`
// Backoff jitter
CloudProviderBackoffJitter float64 `json:"cloudProviderBackoffJitter" yaml:"cloudProviderBackoffJitter"`
// Enable rate limiting
CloudProviderRateLimit bool `json:"cloudProviderRateLimit" yaml:"cloudProviderRateLimit"`
// Rate limit QPS
CloudProviderRateLimitQPS float32 `json:"cloudProviderRateLimitQPS" yaml:"cloudProviderRateLimitQPS"`
// Rate limit Bucket Size
CloudProviderRateLimitBucket int `json:"cloudProviderRateLimitBucket" yaml:"cloudProviderRateLimitBucket"`
// Maximum allowed LoadBalancer Rule Count is the limit enforced by Azure Load balancer
MaximumLoadBalancerRuleCount int `json:"maximumLoadBalancerRuleCount"`
}
// VirtualMachinesClient defines needed functions for azure compute.VirtualMachinesClient
type VirtualMachinesClient interface {
CreateOrUpdate(resourceGroupName string, VMName string, parameters compute.VirtualMachine, cancel <-chan struct{}) (<-chan compute.VirtualMachine, <-chan error)
Get(resourceGroupName string, VMName string, expand compute.InstanceViewTypes) (result compute.VirtualMachine, err error)
List(resourceGroupName string) (result compute.VirtualMachineListResult, err error)
ListNextResults(lastResults compute.VirtualMachineListResult) (result compute.VirtualMachineListResult, err error)
}
// InterfacesClient defines needed functions for azure network.InterfacesClient
type InterfacesClient interface {
CreateOrUpdate(resourceGroupName string, networkInterfaceName string, parameters network.Interface, cancel <-chan struct{}) (<-chan network.Interface, <-chan error)
Get(resourceGroupName string, networkInterfaceName string, expand string) (result network.Interface, err error)
GetVirtualMachineScaleSetNetworkInterface(resourceGroupName string, virtualMachineScaleSetName string, virtualmachineIndex string, networkInterfaceName string, expand string) (result network.Interface, err error)
}
// LoadBalancersClient defines needed functions for azure network.LoadBalancersClient
type LoadBalancersClient interface {
CreateOrUpdate(resourceGroupName string, loadBalancerName string, parameters network.LoadBalancer, cancel <-chan struct{}) (<-chan network.LoadBalancer, <-chan error)
Delete(resourceGroupName string, loadBalancerName string, cancel <-chan struct{}) (<-chan autorest.Response, <-chan error)
Get(resourceGroupName string, loadBalancerName string, expand string) (result network.LoadBalancer, err error)
List(resourceGroupName string) (result network.LoadBalancerListResult, err error)
ListNextResults(lastResult network.LoadBalancerListResult) (result network.LoadBalancerListResult, err error)
}
// PublicIPAddressesClient defines needed functions for azure network.PublicIPAddressesClient
type PublicIPAddressesClient interface {
CreateOrUpdate(resourceGroupName string, publicIPAddressName string, parameters network.PublicIPAddress, cancel <-chan struct{}) (<-chan network.PublicIPAddress, <-chan error)
Delete(resourceGroupName string, publicIPAddressName string, cancel <-chan struct{}) (<-chan autorest.Response, <-chan error)
Get(resourceGroupName string, publicIPAddressName string, expand string) (result network.PublicIPAddress, err error)
List(resourceGroupName string) (result network.PublicIPAddressListResult, err error)
ListNextResults(lastResults network.PublicIPAddressListResult) (result network.PublicIPAddressListResult, err error)
}
// SubnetsClient defines needed functions for azure network.SubnetsClient
type SubnetsClient interface {
CreateOrUpdate(resourceGroupName string, virtualNetworkName string, subnetName string, subnetParameters network.Subnet, cancel <-chan struct{}) (<-chan network.Subnet, <-chan error)
Delete(resourceGroupName string, virtualNetworkName string, subnetName string, cancel <-chan struct{}) (<-chan autorest.Response, <-chan error)
Get(resourceGroupName string, virtualNetworkName string, subnetName string, expand string) (result network.Subnet, err error)
List(resourceGroupName string, virtualNetworkName string) (result network.SubnetListResult, err error)
}
// SecurityGroupsClient defines needed functions for azure network.SecurityGroupsClient
type SecurityGroupsClient interface {
CreateOrUpdate(resourceGroupName string, networkSecurityGroupName string, parameters network.SecurityGroup, cancel <-chan struct{}) (<-chan network.SecurityGroup, <-chan error)
Delete(resourceGroupName string, networkSecurityGroupName string, cancel <-chan struct{}) (<-chan autorest.Response, <-chan error)
Get(resourceGroupName string, networkSecurityGroupName string, expand string) (result network.SecurityGroup, err error)
List(resourceGroupName string) (result network.SecurityGroupListResult, err error)
}
// VirtualMachineScaleSetsClient defines needed functions for azure compute.VirtualMachineScaleSetsClient
type VirtualMachineScaleSetsClient interface {
CreateOrUpdate(resourceGroupName string, VMScaleSetName string, parameters compute.VirtualMachineScaleSet, cancel <-chan struct{}) (<-chan compute.VirtualMachineScaleSet, <-chan error)
Get(resourceGroupName string, VMScaleSetName string) (result compute.VirtualMachineScaleSet, err error)
List(resourceGroupName string) (result compute.VirtualMachineScaleSetListResult, err error)
ListNextResults(lastResults compute.VirtualMachineScaleSetListResult) (result compute.VirtualMachineScaleSetListResult, err error)
UpdateInstances(resourceGroupName string, VMScaleSetName string, VMInstanceIDs compute.VirtualMachineScaleSetVMInstanceRequiredIDs, cancel <-chan struct{}) (<-chan compute.OperationStatusResponse, <-chan error)
}
// VirtualMachineScaleSetVMsClient defines needed functions for azure compute.VirtualMachineScaleSetVMsClient
type VirtualMachineScaleSetVMsClient interface {
Get(resourceGroupName string, VMScaleSetName string, instanceID string) (result compute.VirtualMachineScaleSetVM, err error)
GetInstanceView(resourceGroupName string, VMScaleSetName string, instanceID string) (result compute.VirtualMachineScaleSetVMInstanceView, err error)
List(resourceGroupName string, virtualMachineScaleSetName string, filter string, selectParameter string, expand string) (result compute.VirtualMachineScaleSetVMListResult, err error)
ListNextResults(lastResults compute.VirtualMachineScaleSetVMListResult) (result compute.VirtualMachineScaleSetVMListResult, err error)
}
// RoutesClient defines needed functions for azure network.RoutesClient
type RoutesClient interface {
CreateOrUpdate(resourceGroupName string, routeTableName string, routeName string, routeParameters network.Route, cancel <-chan struct{}) (<-chan network.Route, <-chan error)
Delete(resourceGroupName string, routeTableName string, routeName string, cancel <-chan struct{}) (<-chan autorest.Response, <-chan error)
}
// RouteTablesClient defines needed functions for azure network.RouteTablesClient
type RouteTablesClient interface {
CreateOrUpdate(resourceGroupName string, routeTableName string, parameters network.RouteTable, cancel <-chan struct{}) (<-chan network.RouteTable, <-chan error)
Get(resourceGroupName string, routeTableName string, expand string) (result network.RouteTable, err error)
}
// StorageAccountClient defines needed functions for azure storage.AccountsClient
type StorageAccountClient interface {
Create(resourceGroupName string, accountName string, parameters storage.AccountCreateParameters, cancel <-chan struct{}) (<-chan storage.Account, <-chan error)
Delete(resourceGroupName string, accountName string) (result autorest.Response, err error)
ListKeys(resourceGroupName string, accountName string) (result storage.AccountListKeysResult, err error)
ListByResourceGroup(resourceGroupName string) (result storage.AccountListResult, err error)
GetProperties(resourceGroupName string, accountName string) (result storage.Account, err error)
}
// DisksClient defines needed functions for azure disk.DisksClient
type DisksClient interface {
CreateOrUpdate(resourceGroupName string, diskName string, diskParameter disk.Model, cancel <-chan struct{}) (<-chan disk.Model, <-chan error)
Delete(resourceGroupName string, diskName string, cancel <-chan struct{}) (<-chan disk.OperationStatusResponse, <-chan error)
Get(resourceGroupName string, diskName string) (result disk.Model, err error)
}
// Cloud holds the config and clients
type Cloud struct {
Config
Environment azure.Environment
RoutesClient RoutesClient
SubnetsClient SubnetsClient
InterfacesClient InterfacesClient
RouteTablesClient RouteTablesClient
LoadBalancerClient LoadBalancersClient
PublicIPAddressesClient PublicIPAddressesClient
SecurityGroupsClient SecurityGroupsClient
VirtualMachinesClient VirtualMachinesClient
StorageAccountClient StorageAccountClient
DisksClient DisksClient
operationPollRateLimiter flowcontrol.RateLimiter
resourceRequestBackoff wait.Backoff
vmSet VMSet
// Clients for vmss.
VirtualMachineScaleSetsClient VirtualMachineScaleSetsClient
VirtualMachineScaleSetVMsClient VirtualMachineScaleSetVMsClient
*BlobDiskController
*ManagedDiskController
*controllerCommon
}
func init() {
cloudprovider.RegisterCloudProvider(CloudProviderName, NewCloud)
}
// NewCloud returns a Cloud with initialized clients
func NewCloud(configReader io.Reader) (cloudprovider.Interface, error) {
config, err := parseConfig(configReader)
if err != nil {
return nil, err
}
env, err := auth.ParseAzureEnvironment(config.Cloud)
if err != nil {
return nil, err
}
az := Cloud{
Config: *config,
Environment: *env,
}
servicePrincipalToken, err := auth.GetServicePrincipalToken(&config.AzureAuthConfig, env)
if err != nil {
return nil, err
}
subnetsClient := network.NewSubnetsClient(az.SubscriptionID)
subnetsClient.BaseURI = az.Environment.ResourceManagerEndpoint
subnetsClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
subnetsClient.PollingDelay = 5 * time.Second
configureUserAgent(&subnetsClient.Client)
az.SubnetsClient = subnetsClient
routeTablesClient := network.NewRouteTablesClient(az.SubscriptionID)
routeTablesClient.BaseURI = az.Environment.ResourceManagerEndpoint
routeTablesClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
routeTablesClient.PollingDelay = 5 * time.Second
configureUserAgent(&routeTablesClient.Client)
az.RouteTablesClient = routeTablesClient
routesClient := network.NewRoutesClient(az.SubscriptionID)
routesClient.BaseURI = az.Environment.ResourceManagerEndpoint
routesClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
routesClient.PollingDelay = 5 * time.Second
configureUserAgent(&routesClient.Client)
az.RoutesClient = routesClient
interfacesClient := network.NewInterfacesClient(az.SubscriptionID)
interfacesClient.BaseURI = az.Environment.ResourceManagerEndpoint
interfacesClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
interfacesClient.PollingDelay = 5 * time.Second
configureUserAgent(&interfacesClient.Client)
az.InterfacesClient = interfacesClient
loadBalancerClient := network.NewLoadBalancersClient(az.SubscriptionID)
loadBalancerClient.BaseURI = az.Environment.ResourceManagerEndpoint
loadBalancerClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
loadBalancerClient.PollingDelay = 5 * time.Second
configureUserAgent(&loadBalancerClient.Client)
az.LoadBalancerClient = loadBalancerClient
virtualMachinesClient := compute.NewVirtualMachinesClient(az.SubscriptionID)
virtualMachinesClient.BaseURI = az.Environment.ResourceManagerEndpoint
virtualMachinesClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
virtualMachinesClient.PollingDelay = 5 * time.Second
configureUserAgent(&virtualMachinesClient.Client)
az.VirtualMachinesClient = virtualMachinesClient
publicIPAddressClient := network.NewPublicIPAddressesClient(az.SubscriptionID)
publicIPAddressClient.BaseURI = az.Environment.ResourceManagerEndpoint
publicIPAddressClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
publicIPAddressClient.PollingDelay = 5 * time.Second
configureUserAgent(&publicIPAddressClient.Client)
az.PublicIPAddressesClient = publicIPAddressClient
securityGroupsClient := network.NewSecurityGroupsClient(az.SubscriptionID)
securityGroupsClient.BaseURI = az.Environment.ResourceManagerEndpoint
securityGroupsClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
securityGroupsClient.PollingDelay = 5 * time.Second
configureUserAgent(&securityGroupsClient.Client)
az.SecurityGroupsClient = securityGroupsClient
virtualMachineScaleSetVMsClient := compute.NewVirtualMachineScaleSetVMsClient(az.SubscriptionID)
virtualMachineScaleSetVMsClient.BaseURI = az.Environment.ResourceManagerEndpoint
virtualMachineScaleSetVMsClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
virtualMachineScaleSetVMsClient.PollingDelay = 5 * time.Second
configureUserAgent(&virtualMachineScaleSetVMsClient.Client)
az.VirtualMachineScaleSetVMsClient = virtualMachineScaleSetVMsClient
virtualMachineScaleSetsClient := compute.NewVirtualMachineScaleSetsClient(az.SubscriptionID)
virtualMachineScaleSetsClient.BaseURI = az.Environment.ResourceManagerEndpoint
virtualMachineScaleSetsClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
virtualMachineScaleSetsClient.PollingDelay = 5 * time.Second
configureUserAgent(&virtualMachineScaleSetsClient.Client)
az.VirtualMachineScaleSetsClient = virtualMachineScaleSetsClient
storageAccountClient := storage.NewAccountsClientWithBaseURI(az.Environment.ResourceManagerEndpoint, az.SubscriptionID)
storageAccountClient.BaseURI = az.Environment.ResourceManagerEndpoint
storageAccountClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
storageAccountClient.PollingDelay = 5 * time.Second
configureUserAgent(&storageAccountClient.Client)
az.StorageAccountClient = storageAccountClient
disksClient := disk.NewDisksClientWithBaseURI(az.Environment.ResourceManagerEndpoint, az.SubscriptionID)
disksClient.BaseURI = az.Environment.ResourceManagerEndpoint
disksClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
disksClient.PollingDelay = 5 * time.Second
configureUserAgent(&disksClient.Client)
az.DisksClient = disksClient
// Conditionally configure rate limits
if az.CloudProviderRateLimit {
// Assign rate limit defaults if no configuration was passed in
if az.CloudProviderRateLimitQPS == 0 {
az.CloudProviderRateLimitQPS = rateLimitQPSDefault
}
if az.CloudProviderRateLimitBucket == 0 {
az.CloudProviderRateLimitBucket = rateLimitBucketDefault
}
az.operationPollRateLimiter = flowcontrol.NewTokenBucketRateLimiter(
az.CloudProviderRateLimitQPS,
az.CloudProviderRateLimitBucket)
glog.V(2).Infof("Azure cloudprovider using rate limit config: QPS=%g, bucket=%d",
az.CloudProviderRateLimitQPS,
az.CloudProviderRateLimitBucket)
} else {
// if rate limits are configured off, az.operationPollRateLimiter.Accept() is a no-op
az.operationPollRateLimiter = flowcontrol.NewFakeAlwaysRateLimiter()
}
// Conditionally configure resource request backoff
if az.CloudProviderBackoff {
// Assign backoff defaults if no configuration was passed in
if az.CloudProviderBackoffRetries == 0 {
az.CloudProviderBackoffRetries = backoffRetriesDefault
}
if az.CloudProviderBackoffExponent == 0 {
az.CloudProviderBackoffExponent = backoffExponentDefault
}
if az.CloudProviderBackoffDuration == 0 {
az.CloudProviderBackoffDuration = backoffDurationDefault
}
if az.CloudProviderBackoffJitter == 0 {
az.CloudProviderBackoffJitter = backoffJitterDefault
}
az.resourceRequestBackoff = wait.Backoff{
Steps: az.CloudProviderBackoffRetries,
Factor: az.CloudProviderBackoffExponent,
Duration: time.Duration(az.CloudProviderBackoffDuration) * time.Second,
Jitter: az.CloudProviderBackoffJitter,
}
glog.V(2).Infof("Azure cloudprovider using retry backoff: retries=%d, exponent=%f, duration=%d, jitter=%f",
az.CloudProviderBackoffRetries,
az.CloudProviderBackoffExponent,
az.CloudProviderBackoffDuration,
az.CloudProviderBackoffJitter)
}
if az.MaximumLoadBalancerRuleCount == 0 {
az.MaximumLoadBalancerRuleCount = maximumLoadBalancerRuleCount
}
if strings.EqualFold(vmTypeVMSS, az.Config.VMType) {
az.vmSet = newScaleSet(&az)
} else {
az.vmSet = newAvailabilitySet(&az)
}
if err := initDiskControllers(&az); err != nil {
return nil, err
}
return &az, nil
}
// parseConfig returns a parsed configuration for an Azure cloudprovider config file
func parseConfig(configReader io.Reader) (*Config, error) {
var config Config
if configReader == nil {
return &config, nil
}
configContents, err := ioutil.ReadAll(configReader)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(configContents, &config)
if err != nil {
return nil, err
}
return &config, nil
}
// Initialize passes a Kubernetes clientBuilder interface to the cloud provider
func (az *Cloud) Initialize(clientBuilder controller.ControllerClientBuilder) {}
// LoadBalancer returns a balancer interface. Also returns true if the interface is supported, false otherwise.
func (az *Cloud) LoadBalancer() (cloudprovider.LoadBalancer, bool) {
return az, true
}
// Instances returns an instances interface. Also returns true if the interface is supported, false otherwise.
func (az *Cloud) Instances() (cloudprovider.Instances, bool) {
return az, true
}
// Zones returns a zones interface. Also returns true if the interface is supported, false otherwise.
func (az *Cloud) Zones() (cloudprovider.Zones, bool) {
return az, true
}
// Clusters returns a clusters interface. Also returns true if the interface is supported, false otherwise.
func (az *Cloud) Clusters() (cloudprovider.Clusters, bool) {
return nil, false
}
// Routes returns a routes interface along with whether the interface is supported.
func (az *Cloud) Routes() (cloudprovider.Routes, bool) {
return az, true
}
// HasClusterID returns true if the cluster has a clusterID
func (az *Cloud) HasClusterID() bool {
return true
}
// ProviderName returns the cloud provider ID.
func (az *Cloud) ProviderName() string {
return CloudProviderName
}
// configureUserAgent configures the autorest client with a user agent that
// includes "kubernetes" and the full kubernetes git version string
// example:
// Azure-SDK-for-Go/7.0.1-beta arm-network/2016-09-01; kubernetes-cloudprovider/v1.7.0-alpha.2.711+a2fadef8170bb0-dirty;
func configureUserAgent(client *autorest.Client) {
k8sVersion := version.Get().GitVersion
client.UserAgent = fmt.Sprintf("%s; kubernetes-cloudprovider/%s", client.UserAgent, k8sVersion)
}
func initDiskControllers(az *Cloud) error {
// Common controller contains the function
// needed by both blob disk and managed disk controllers
common := &controllerCommon{
aadResourceEndPoint: az.Environment.ServiceManagementEndpoint,
clientID: az.AADClientID,
clientSecret: az.AADClientSecret,
location: az.Location,
storageEndpointSuffix: az.Environment.StorageEndpointSuffix,
managementEndpoint: az.Environment.ResourceManagerEndpoint,
resourceGroup: az.ResourceGroup,
tokenEndPoint: az.Environment.ActiveDirectoryEndpoint,
subscriptionID: az.SubscriptionID,
cloud: az,
}
// BlobDiskController: contains the function needed to
// create/attach/detach/delete blob based (unmanaged disks)
blobController, err := newBlobDiskController(common)
if err != nil {
return fmt.Errorf("AzureDisk - failed to init Blob Disk Controller with error (%s)", err.Error())
}
// ManagedDiskController: contains the functions needed to
// create/attach/detach/delete managed disks
managedController, err := newManagedDiskController(common)
if err != nil {
return fmt.Errorf("AzureDisk - failed to init Managed Disk Controller with error (%s)", err.Error())
}
az.BlobDiskController = blobController
az.ManagedDiskController = managedController
az.controllerCommon = common
return nil
}