support gossip for AliCloud

hack/.packages

@@ -138,6 +138,7 @@ k8s.io/kops/pkg/values
 k8s.io/kops/protokube/cmd/protokube
 k8s.io/kops/protokube/pkg/etcd
 k8s.io/kops/protokube/pkg/gossip
+k8s.io/kops/protokube/pkg/gossip/ali
 k8s.io/kops/protokube/pkg/gossip/aws
 k8s.io/kops/protokube/pkg/gossip/dns
 k8s.io/kops/protokube/pkg/gossip/dns/hosts

nodeup/pkg/bootstrap/install.go

@@ -165,6 +165,21 @@ func (i *Installation) buildSystemdJob() *nodetasks.Service {
 		buffer.WriteString("\" ")
 	}
 
+	if os.Getenv("OSS_REGION") != "" {
+		buffer.WriteString("\"OSS_REGION=")
+		buffer.WriteString(os.Getenv("OSS_REGION"))
+		buffer.WriteString("\" ")
+	}
+
+	if os.Getenv("ALIYUN_ACCESS_KEY_ID") != "" {
+		buffer.WriteString("\"ALIYUN_ACCESS_KEY_ID=")
+		buffer.WriteString(os.Getenv("ALIYUN_ACCESS_KEY_ID"))
+		buffer.WriteString("\" ")
+		buffer.WriteString("\"ALIYUN_ACCESS_KEY_SECRET=")
+		buffer.WriteString(os.Getenv("ALIYUN_ACCESS_KEY_SECRET"))
+		buffer.WriteString("\" ")
+	}
+
 	if buffer.String() != "" {
 		manifest.Set("Service", "Environment", buffer.String())
 	}

nodeup/pkg/model/protokube.go

@@ -438,6 +438,25 @@ func (t *ProtokubeBuilder) ProtokubeEnvironmentVariables() string {
 		buffer.WriteString(" ")
 	}
 
+	if os.Getenv("OSS_REGION") != "" {
+		buffer.WriteString(" ")
+		buffer.WriteString("-e 'OSS_REGION=")
+		buffer.WriteString(os.Getenv("OSS_REGION"))
+		buffer.WriteString("'")
+		buffer.WriteString(" ")
+	}
+
+	if os.Getenv("ALIYUN_ACCESS_KEY_ID") != "" {
+		buffer.WriteString(" ")
+		buffer.WriteString("-e 'ALIYUN_ACCESS_KEY_ID=")
+		buffer.WriteString(os.Getenv("ALIYUN_ACCESS_KEY_ID"))
+		buffer.WriteString("'")
+		buffer.WriteString(" -e 'ALIYUN_ACCESS_KEY_SECRET=")
+		buffer.WriteString(os.Getenv("ALIYUN_ACCESS_KEY_SECRET"))
+		buffer.WriteString("'")
+		buffer.WriteString(" ")
+	}
+
 	t.writeProxyEnvVars(&buffer)
 
 	return buffer.String()

protokube/cmd/protokube/main.go

@@ -195,6 +195,21 @@ func run() error {
 			clusterID = osVolumes.ClusterID()
 		}
 
+	} else if cloud == "alicloud" {
+		glog.Info("Initializing AliCloud volumes")
+		aliVolumes, err := protokube.NewALIVolumes()
+		if err != nil {
+			glog.Errorf("Error initializing Aliyun: %q", err)
+			os.Exit(1)
+		}
+		volumes = aliVolumes
+
+		if clusterID == "" {
+			clusterID = aliVolumes.ClusterID()
+		}
+		if internalIP == nil {
+			internalIP = aliVolumes.InternalIP()
+		}
 	} else {
 		glog.Errorf("Unknown cloud %q", cloud)
 		os.Exit(1)
@@ -257,6 +272,12 @@ func run() error {
 				return err
 			}
 			gossipName = volumes.(*protokube.OpenstackVolumes).InstanceName()
+		} else if cloud == "alicloud" {
+			gossipSeeds, err = volumes.(*protokube.ALIVolumes).GossipSeeds()
+			if err != nil {
+				return err
+			}
+			gossipName = volumes.(*protokube.ALIVolumes).InstanceID()
 		} else {
 			glog.Fatalf("seed provider for %q not yet implemented", cloud)
 		}

protokube/pkg/gossip/ali/BUILD.bazel

@@ -0,0 +1,13 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["seeds.go"],
+    importpath = "k8s.io/kops/protokube/pkg/gossip/ali",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//protokube/pkg/gossip:go_default_library",
+        "//vendor/github.com/denverdino/aliyungo/common:go_default_library",
+        "//vendor/github.com/denverdino/aliyungo/ecs:go_default_library",
+    ],
+)

protokube/pkg/gossip/ali/seeds.go

@@ -0,0 +1,79 @@
+/*
+Copyright 2018 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 ali
+
+import (
+	"github.com/denverdino/aliyungo/common"
+	"github.com/denverdino/aliyungo/ecs"
+	"k8s.io/kops/protokube/pkg/gossip"
+)
+
+type SeedProvider struct {
+	ecs    *ecs.Client
+	region string
+	tag    map[string]string
+}
+
+var _ gossip.SeedProvider = &SeedProvider{}
+
+func (p *SeedProvider) GetSeeds() ([]string, error) {
+	var seeds []string
+
+	// We could query at most 50 instances at a time on Aliyun ECS
+	maxPageSize := 50
+	args := &ecs.DescribeInstancesArgs{
+		// TODO: pending? starting?
+		Status:   ecs.Running,
+		RegionId: common.Region(p.region),
+		Pagination: common.Pagination{
+			PageNumber: 1,
+			PageSize:   maxPageSize,
+		},
+		Tag: p.tag,
+	}
+
+	var instances []ecs.InstanceAttributesType
+	for {
+		resp, page, err := p.ecs.DescribeInstances(args)
+		if err != nil {
+			return nil, err
+		}
+		instances = append(instances, resp...)
+
+		if page.NextPage() == nil {
+			break
+		}
+		args.Pagination = *(page.NextPage())
+	}
+
+	for _, instance := range instances {
+		// TODO: Multiple IP addresses?
+		for _, ip := range instance.VpcAttributes.PrivateIpAddress.IpAddress {
+			seeds = append(seeds, ip)
+		}
+	}
+
+	return seeds, nil
+}
+
+func NewSeedProvider(c *ecs.Client, region string, tag map[string]string) (*SeedProvider, error) {
+	return &SeedProvider{
+		ecs:    c,
+		region: region,
+		tag:    tag,
+	}, nil
+}

protokube/pkg/protokube/BUILD.bazel

@@ -3,6 +3,7 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 go_library(
     name = "go_default_library",
     srcs = [
+        "ali_volume.go",
         "aws_volume.go",
         "baremetal_volume.go",
         "channels.go",
@@ -35,10 +36,12 @@ go_library(
         "//pkg/resources/digitalocean:go_default_library",
         "//protokube/pkg/etcd:go_default_library",
         "//protokube/pkg/gossip:go_default_library",
+        "//protokube/pkg/gossip/ali:go_default_library",
         "//protokube/pkg/gossip/aws:go_default_library",
         "//protokube/pkg/gossip/dns:go_default_library",
         "//protokube/pkg/gossip/gce:go_default_library",
         "//protokube/pkg/gossip/openstack:go_default_library",
+        "//upup/pkg/fi/cloudup/aliup:go_default_library",
         "//upup/pkg/fi/cloudup/awsup:go_default_library",
         "//upup/pkg/fi/cloudup/gce:go_default_library",
         "//upup/pkg/fi/cloudup/openstack:go_default_library",
@@ -50,6 +53,9 @@ go_library(
         "//vendor/github.com/aws/aws-sdk-go/aws/request:go_default_library",
         "//vendor/github.com/aws/aws-sdk-go/aws/session:go_default_library",
         "//vendor/github.com/aws/aws-sdk-go/service/ec2:go_default_library",
+        "//vendor/github.com/denverdino/aliyungo/common:go_default_library",
+        "//vendor/github.com/denverdino/aliyungo/ecs:go_default_library",
+        "//vendor/github.com/denverdino/aliyungo/metadata:go_default_library",
         "//vendor/github.com/digitalocean/godo:go_default_library",
         "//vendor/github.com/golang/glog:go_default_library",
         "//vendor/github.com/gophercloud/gophercloud/openstack/blockstorage/v2/volumes:go_default_library",