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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 (
"io"
"io/ioutil"
"k8s.io/kubernetes/pkg/cloudprovider"
"github.com/Azure/azure-sdk-for-go/arm/compute"
"github.com/Azure/azure-sdk-for-go/arm/network"
"github.com/Azure/azure-sdk-for-go/arm/storage"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/ghodss/yaml"
)
// CloudProviderName is the value used for the --cloud-provider flag
const CloudProviderName = "azure"
// Config holds the configuration parsed from the --cloud-config flag
type Config struct {
Cloud string `json:"cloud" yaml:"cloud"`
TenantID string `json:"tenantId" yaml:"tenantId"`
SubscriptionID string `json:"subscriptionId" yaml:"subscriptionId"`
ResourceGroup string `json:"resourceGroup" yaml:"resourceGroup"`
Location string `json:"location" yaml:"location"`
VnetName string `json:"vnetName" yaml:"vnetName"`
SubnetName string `json:"subnetName" yaml:"subnetName"`
SecurityGroupName string `json:"securityGroupName" yaml:"securityGroupName"`
RouteTableName string `json:"routeTableName" yaml:"routeTableName"`
PrimaryAvailabilitySetName string `json:"primaryAvailabilitySetName" yaml:"primaryAvailabilitySetName"`
AADClientID string `json:"aadClientId" yaml:"aadClientId"`
AADClientSecret string `json:"aadClientSecret" yaml:"aadClientSecret"`
AADTenantID string `json:"aadTenantId" yaml:"aadTenantId"`
}
// Cloud holds the config and clients
type Cloud struct {
Config
Environment azure.Environment
RoutesClient network.RoutesClient
SubnetsClient network.SubnetsClient
InterfacesClient network.InterfacesClient
RouteTablesClient network.RouteTablesClient
LoadBalancerClient network.LoadBalancersClient
PublicIPAddressesClient network.PublicIPAddressesClient
SecurityGroupsClient network.SecurityGroupsClient
VirtualMachinesClient compute.VirtualMachinesClient
StorageAccountClient storage.AccountsClient
}
func init() {
cloudprovider.RegisterCloudProvider(CloudProviderName, NewCloud)
}
// NewCloud returns a Cloud with initialized clients
func NewCloud(configReader io.Reader) (cloudprovider.Interface, error) {
var az Cloud
configContents, err := ioutil.ReadAll(configReader)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(configContents, &az)
if err != nil {
return nil, err
}
if az.Cloud == "" {
az.Environment = azure.PublicCloud
} else {
az.Environment, err = azure.EnvironmentFromName(az.Cloud)
if err != nil {
return nil, err
}
}
oauthConfig, err := az.Environment.OAuthConfigForTenant(az.TenantID)
if err != nil {
return nil, err
}
servicePrincipalToken, err := azure.NewServicePrincipalToken(
*oauthConfig,
az.AADClientID,
az.AADClientSecret,
az.Environment.ServiceManagementEndpoint)
if err != nil {
return nil, err
}
az.SubnetsClient = network.NewSubnetsClient(az.SubscriptionID)
az.SubnetsClient.BaseURI = az.Environment.ResourceManagerEndpoint
az.SubnetsClient.Authorizer = servicePrincipalToken
az.RouteTablesClient = network.NewRouteTablesClient(az.SubscriptionID)
az.RouteTablesClient.BaseURI = az.Environment.ResourceManagerEndpoint
az.RouteTablesClient.Authorizer = servicePrincipalToken
az.RoutesClient = network.NewRoutesClient(az.SubscriptionID)
az.RoutesClient.BaseURI = az.Environment.ResourceManagerEndpoint
az.RoutesClient.Authorizer = servicePrincipalToken
az.InterfacesClient = network.NewInterfacesClient(az.SubscriptionID)
az.InterfacesClient.BaseURI = az.Environment.ResourceManagerEndpoint
az.InterfacesClient.Authorizer = servicePrincipalToken
az.LoadBalancerClient = network.NewLoadBalancersClient(az.SubscriptionID)
az.LoadBalancerClient.BaseURI = az.Environment.ResourceManagerEndpoint
az.LoadBalancerClient.Authorizer = servicePrincipalToken
az.VirtualMachinesClient = compute.NewVirtualMachinesClient(az.SubscriptionID)
az.VirtualMachinesClient.BaseURI = az.Environment.ResourceManagerEndpoint
az.VirtualMachinesClient.Authorizer = servicePrincipalToken
az.PublicIPAddressesClient = network.NewPublicIPAddressesClient(az.SubscriptionID)
az.PublicIPAddressesClient.BaseURI = az.Environment.ResourceManagerEndpoint
az.PublicIPAddressesClient.Authorizer = servicePrincipalToken
az.SecurityGroupsClient = network.NewSecurityGroupsClient(az.SubscriptionID)
az.SecurityGroupsClient.BaseURI = az.Environment.ResourceManagerEndpoint
az.SecurityGroupsClient.Authorizer = servicePrincipalToken
az.StorageAccountClient = storage.NewAccountsClientWithBaseURI(az.Environment.ResourceManagerEndpoint, az.SubscriptionID)
az.StorageAccountClient.Authorizer = servicePrincipalToken
return &az, nil
}
// 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
}
// ScrubDNS provides an opportunity for cloud-provider-specific code to process DNS settings for pods.
func (az *Cloud) ScrubDNS(nameservers, searches []string) (nsOut, srchOut []string) {
return nameservers, searches
}
// ProviderName returns the cloud provider ID.
func (az *Cloud) ProviderName() string {
return CloudProviderName
}
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