119 lines
3.8 KiB
Go
119 lines
3.8 KiB
Go
/*
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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 builder
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import (
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"github.com/golang/glog"
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"k8s.io/autoscaler/cluster-autoscaler/cloudprovider"
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"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/aws"
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"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/azure"
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"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/gce"
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"os"
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)
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// CloudProviderBuilder builds a cloud provider from all the necessary parameters including the name of a cloud provider e.g. aws, gce
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// and the path to a config file
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type CloudProviderBuilder struct {
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cloudProviderFlag string
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cloudConfig string
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}
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// NewCloudProviderBuilder builds a new builder from static settings
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func NewCloudProviderBuilder(cloudProviderFlag string, cloudConfig string) CloudProviderBuilder {
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return CloudProviderBuilder{
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cloudProviderFlag: cloudProviderFlag,
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cloudConfig: cloudConfig,
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}
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}
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// Build a cloud provider from static settings contained in the builder and dynamic settings passed via args
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func (b CloudProviderBuilder) Build(nodeGroupsFlag []string) cloudprovider.CloudProvider {
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var err error
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var cloudProvider cloudprovider.CloudProvider
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if b.cloudProviderFlag == "gce" {
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// GCE Manager
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var gceManager *gce.GceManager
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var gceError error
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if b.cloudConfig != "" {
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config, fileErr := os.Open(b.cloudConfig)
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if fileErr != nil {
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glog.Fatalf("Couldn't open cloud provider configuration %s: %#v", b.cloudConfig, err)
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}
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defer config.Close()
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gceManager, gceError = gce.CreateGceManager(config)
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} else {
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gceManager, gceError = gce.CreateGceManager(nil)
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}
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if gceError != nil {
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glog.Fatalf("Failed to create GCE Manager: %v", err)
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}
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cloudProvider, err = gce.BuildGceCloudProvider(gceManager, nodeGroupsFlag)
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if err != nil {
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glog.Fatalf("Failed to create GCE cloud provider: %v", err)
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}
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}
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if b.cloudProviderFlag == "aws" {
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var awsManager *aws.AwsManager
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var awsError error
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if b.cloudConfig != "" {
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config, fileErr := os.Open(b.cloudConfig)
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if fileErr != nil {
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glog.Fatalf("Couldn't open cloud provider configuration %s: %#v", b.cloudConfig, err)
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}
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defer config.Close()
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awsManager, awsError = aws.CreateAwsManager(config)
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} else {
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awsManager, awsError = aws.CreateAwsManager(nil)
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}
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if awsError != nil {
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glog.Fatalf("Failed to create AWS Manager: %v", err)
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}
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cloudProvider, err = aws.BuildAwsCloudProvider(awsManager, nodeGroupsFlag)
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if err != nil {
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glog.Fatalf("Failed to create AWS cloud provider: %v", err)
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}
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}
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if b.cloudProviderFlag == "azure" {
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var azureManager *azure.AzureManager
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var azureError error
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if b.cloudConfig != "" {
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glog.Info("Creating Azure Manager using cloud-config file: %v", b.cloudConfig)
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config, fileErr := os.Open(b.cloudConfig)
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if fileErr != nil {
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glog.Fatalf("Couldn't open cloud provider configuration %s: %#v", b.cloudConfig, err)
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}
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defer config.Close()
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azureManager, azureError = azure.CreateAzureManager(config)
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} else {
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glog.Info("Creating Azure Manager with default configuration.")
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azureManager, azureError = azure.CreateAzureManager(nil)
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}
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if azureError != nil {
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glog.Fatalf("Failed to create Azure Manager: %v", err)
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}
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cloudProvider, err = azure.BuildAzureCloudProvider(azureManager, nodeGroupsFlag)
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if err != nil {
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glog.Fatalf("Failed to create Azure cloud provider: %v", err)
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}
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}
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return cloudProvider
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}
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