Merge pull request kubernetes#1866 from frobware/clusterapi-cloudprovider

Add cluster-api based cloudprovider

Author: k8s-ci-robot

cluster-autoscaler/cloudprovider/builder/builder_all.go

@@ -1,4 +1,4 @@
-// +build !gce,!aws,!azure,!kubemark,!alicloud,!magnum,!digitalocean
+// +build !gce,!aws,!azure,!kubemark,!alicloud,!magnum,!digitalocean,!clusterapi
 
 /*
 Copyright 2018 The Kubernetes Authors.
@@ -24,6 +24,7 @@ import (
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/aws"
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/azure"
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/baiducloud"
+	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/clusterapi"
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/digitalocean"
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/gce"
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/magnum"
@@ -40,6 +41,7 @@ var AvailableCloudProviders = []string{
 	cloudprovider.BaiducloudProviderName,
 	cloudprovider.MagnumProviderName,
 	cloudprovider.DigitalOceanProviderName,
+	clusterapi.ProviderName,
 }
 
 // DefaultCloudProvider is GCE.
@@ -63,6 +65,8 @@ func buildCloudProvider(opts config.AutoscalingOptions, do cloudprovider.NodeGro
 		return magnum.BuildMagnum(opts, do, rl)
 	case packet.ProviderName:
 		return packet.BuildPacket(opts, do, rl)
+	case clusterapi.ProviderName:
+		return clusterapi.BuildClusterAPI(opts, do, rl)
 	}
 	return nil
 }

cluster-autoscaler/cloudprovider/builder/builder_clusterapi.go

@@ -0,0 +1,42 @@
+// +build clusterapi
+
+/*
+Copyright 2019 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 builder
+
+import (
+	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider"
+	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/clusterapi"
+	"k8s.io/autoscaler/cluster-autoscaler/config"
+)
+
+// AvailableCloudProviders supported by the cloud provider builder.
+var AvailableCloudProviders = []string{
+	clusterapi.ProviderName,
+}
+
+// DefaultCloudProvider for machineapi-only build.
+const DefaultCloudProvider = clusterapi.ProviderName
+
+func buildCloudProvider(opts config.AutoscalingOptions, do cloudprovider.NodeGroupDiscoveryOptions, rl *cloudprovider.ResourceLimiter) cloudprovider.CloudProvider {
+	switch opts.CloudProviderName {
+	case clusterapi.ProviderName:
+		return clusterapi.BuildClusterAPI(opts, do, rl)
+	}
+
+	return nil
+}

cluster-autoscaler/cloudprovider/clusterapi/OWNERS

@@ -0,0 +1,14 @@
+approvers:
+- frobware
+- enxebre
+- elmiko
+- hardikdr
+- detiber
+- ncdc
+reviewers:
+- frobware
+- enxebre
+- elmiko
+- hardikdr
+- detiber
+- ncdc