Reregister cAdvisor cloud info providers in Kubelet

vendor/github.com/google/cadvisor/utils/cloudinfo/aws/BUILD

@@ -0,0 +1,30 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["aws.go"],
+    importmap = "k8s.io/kubernetes/vendor/github.com/google/cadvisor/utils/cloudinfo/aws",
+    importpath = "github.com/google/cadvisor/utils/cloudinfo/aws",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//vendor/github.com/aws/aws-sdk-go/aws:go_default_library",
+        "//vendor/github.com/aws/aws-sdk-go/aws/ec2metadata:go_default_library",
+        "//vendor/github.com/aws/aws-sdk-go/aws/session:go_default_library",
+        "//vendor/github.com/google/cadvisor/info/v1:go_default_library",
+        "//vendor/github.com/google/cadvisor/utils/cloudinfo:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/github.com/google/cadvisor/utils/cloudinfo/aws/aws.go

@@ -0,0 +1,79 @@
+// Copyright 2015 Google Inc. All Rights Reserved.
+//
+// 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 cloudinfo
+
+import (
+	"io/ioutil"
+	"os"
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/ec2metadata"
+	"github.com/aws/aws-sdk-go/aws/session"
+
+	info "github.com/google/cadvisor/info/v1"
+	"github.com/google/cadvisor/utils/cloudinfo"
+)
+
+const (
+	productVerFileName = "/sys/class/dmi/id/product_version"
+	biosVerFileName    = "/sys/class/dmi/id/bios_vendor"
+	amazon             = "amazon"
+)
+
+func init() {
+	cloudinfo.RegisterCloudProvider(info.AWS, &provider{})
+}
+
+type provider struct{}
+
+var _ cloudinfo.CloudProvider = provider{}
+
+func (provider) IsActiveProvider() bool {
+	var dataProduct []byte
+	var dataBios []byte
+	if _, err := os.Stat(productVerFileName); err == nil {
+		dataProduct, err = ioutil.ReadFile(productVerFileName)
+		if err != nil {
+			return false
+		}
+	}
+
+	if _, err := os.Stat(biosVerFileName); err == nil {
+		dataBios, err = ioutil.ReadFile(biosVerFileName)
+		if err != nil {
+			return false
+		}
+	}
+
+	return strings.Contains(string(dataProduct), amazon) || strings.Contains(strings.ToLower(string(dataBios)), amazon)
+}
+
+func getAwsMetadata(name string) string {
+	client := ec2metadata.New(session.New(&aws.Config{}))
+	data, err := client.GetMetadata(name)
+	if err != nil {
+		return info.UnknownInstance
+	}
+	return data
+}
+
+func (provider) GetInstanceType() info.InstanceType {
+	return info.InstanceType(getAwsMetadata("instance-type"))
+}
+
+func (provider) GetInstanceID() info.InstanceID {
+	return info.InstanceID(getAwsMetadata("instance-id"))
+}