179 lines
6.4 KiB
Go
179 lines
6.4 KiB
Go
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/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package azure
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import (
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"io"
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"io/ioutil"
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"k8s.io/kubernetes/pkg/cloudprovider"
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"github.com/Azure/azure-sdk-for-go/arm/compute"
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"github.com/Azure/azure-sdk-for-go/arm/network"
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"github.com/Azure/azure-sdk-for-go/arm/storage"
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"github.com/Azure/go-autorest/autorest/azure"
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"github.com/ghodss/yaml"
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)
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// CloudProviderName is the value used for the --cloud-provider flag
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const CloudProviderName = "azure"
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// Config holds the configuration parsed from the --cloud-config flag
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type Config struct {
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Cloud string `json:"cloud" yaml:"cloud"`
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TenantID string `json:"tenantId" yaml:"tenantId"`
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SubscriptionID string `json:"subscriptionId" yaml:"subscriptionId"`
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ResourceGroup string `json:"resourceGroup" yaml:"resourceGroup"`
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Location string `json:"location" yaml:"location"`
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VnetName string `json:"vnetName" yaml:"vnetName"`
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SubnetName string `json:"subnetName" yaml:"subnetName"`
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SecurityGroupName string `json:"securityGroupName" yaml:"securityGroupName"`
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RouteTableName string `json:"routeTableName" yaml:"routeTableName"`
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PrimaryAvailabilitySetName string `json:"primaryAvailabilitySetName" yaml:"primaryAvailabilitySetName"`
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AADClientID string `json:"aadClientId" yaml:"aadClientId"`
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AADClientSecret string `json:"aadClientSecret" yaml:"aadClientSecret"`
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AADTenantID string `json:"aadTenantId" yaml:"aadTenantId"`
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}
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// Cloud holds the config and clients
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type Cloud struct {
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Config
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Environment azure.Environment
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RoutesClient network.RoutesClient
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SubnetsClient network.SubnetsClient
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InterfacesClient network.InterfacesClient
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RouteTablesClient network.RouteTablesClient
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LoadBalancerClient network.LoadBalancersClient
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PublicIPAddressesClient network.PublicIPAddressesClient
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SecurityGroupsClient network.SecurityGroupsClient
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VirtualMachinesClient compute.VirtualMachinesClient
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StorageAccountClient storage.AccountsClient
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}
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func init() {
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cloudprovider.RegisterCloudProvider(CloudProviderName, NewCloud)
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}
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// NewCloud returns a Cloud with initialized clients
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func NewCloud(configReader io.Reader) (cloudprovider.Interface, error) {
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var az Cloud
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configContents, err := ioutil.ReadAll(configReader)
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if err != nil {
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return nil, err
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}
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err = yaml.Unmarshal(configContents, &az)
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if err != nil {
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return nil, err
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}
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if az.Cloud == "" {
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az.Environment = azure.PublicCloud
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} else {
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az.Environment, err = azure.EnvironmentFromName(az.Cloud)
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if err != nil {
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return nil, err
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}
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}
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oauthConfig, err := az.Environment.OAuthConfigForTenant(az.TenantID)
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if err != nil {
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return nil, err
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}
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servicePrincipalToken, err := azure.NewServicePrincipalToken(
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*oauthConfig,
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az.AADClientID,
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az.AADClientSecret,
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az.Environment.ServiceManagementEndpoint)
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if err != nil {
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return nil, err
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}
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az.SubnetsClient = network.NewSubnetsClient(az.SubscriptionID)
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az.SubnetsClient.BaseURI = az.Environment.ResourceManagerEndpoint
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az.SubnetsClient.Authorizer = servicePrincipalToken
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az.RouteTablesClient = network.NewRouteTablesClient(az.SubscriptionID)
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az.RouteTablesClient.BaseURI = az.Environment.ResourceManagerEndpoint
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az.RouteTablesClient.Authorizer = servicePrincipalToken
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az.RoutesClient = network.NewRoutesClient(az.SubscriptionID)
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az.RoutesClient.BaseURI = az.Environment.ResourceManagerEndpoint
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az.RoutesClient.Authorizer = servicePrincipalToken
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az.InterfacesClient = network.NewInterfacesClient(az.SubscriptionID)
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az.InterfacesClient.BaseURI = az.Environment.ResourceManagerEndpoint
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az.InterfacesClient.Authorizer = servicePrincipalToken
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az.LoadBalancerClient = network.NewLoadBalancersClient(az.SubscriptionID)
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az.LoadBalancerClient.BaseURI = az.Environment.ResourceManagerEndpoint
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az.LoadBalancerClient.Authorizer = servicePrincipalToken
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az.VirtualMachinesClient = compute.NewVirtualMachinesClient(az.SubscriptionID)
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az.VirtualMachinesClient.BaseURI = az.Environment.ResourceManagerEndpoint
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az.VirtualMachinesClient.Authorizer = servicePrincipalToken
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az.PublicIPAddressesClient = network.NewPublicIPAddressesClient(az.SubscriptionID)
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az.PublicIPAddressesClient.BaseURI = az.Environment.ResourceManagerEndpoint
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az.PublicIPAddressesClient.Authorizer = servicePrincipalToken
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az.SecurityGroupsClient = network.NewSecurityGroupsClient(az.SubscriptionID)
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az.SecurityGroupsClient.BaseURI = az.Environment.ResourceManagerEndpoint
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az.SecurityGroupsClient.Authorizer = servicePrincipalToken
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az.StorageAccountClient = storage.NewAccountsClientWithBaseURI(az.Environment.ResourceManagerEndpoint, az.SubscriptionID)
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az.StorageAccountClient.Authorizer = servicePrincipalToken
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return &az, nil
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}
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// LoadBalancer returns a balancer interface. Also returns true if the interface is supported, false otherwise.
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func (az *Cloud) LoadBalancer() (cloudprovider.LoadBalancer, bool) {
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return az, true
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}
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// Instances returns an instances interface. Also returns true if the interface is supported, false otherwise.
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func (az *Cloud) Instances() (cloudprovider.Instances, bool) {
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return az, true
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}
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// Zones returns a zones interface. Also returns true if the interface is supported, false otherwise.
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func (az *Cloud) Zones() (cloudprovider.Zones, bool) {
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return az, true
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}
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// Clusters returns a clusters interface. Also returns true if the interface is supported, false otherwise.
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func (az *Cloud) Clusters() (cloudprovider.Clusters, bool) {
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return nil, false
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}
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// Routes returns a routes interface along with whether the interface is supported.
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func (az *Cloud) Routes() (cloudprovider.Routes, bool) {
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return az, true
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}
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// ScrubDNS provides an opportunity for cloud-provider-specific code to process DNS settings for pods.
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func (az *Cloud) ScrubDNS(nameservers, searches []string) (nsOut, srchOut []string) {
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return nameservers, searches
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}
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// ProviderName returns the cloud provider ID.
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func (az *Cloud) ProviderName() string {
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return CloudProviderName
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}
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