vendor files

vendor/k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image/.gitignore

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+elasticsearch_logging_discovery

vendor/k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image/BUILD

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+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_binary",
+    "go_library",
+)
+
+go_binary(
+    name = "es-image",
+    importpath = "k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image",
+    library = ":go_default_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["elasticsearch_logging_discovery.go"],
+    importpath = "k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image",
+    deps = [
+        "//pkg/apis/core:go_default_library",
+        "//pkg/client/clientset_generated/internalclientset:go_default_library",
+        "//vendor/github.com/golang/glog:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/k8s.io/client-go/rest:go_default_library",
+        "//vendor/k8s.io/client-go/tools/clientcmd:go_default_library",
+        "//vendor/k8s.io/client-go/tools/clientcmd/api:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image/Dockerfile

@@ -0,0 +1,25 @@
+# Copyright 2017 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.
+
+FROM docker.elastic.co/elasticsearch/elasticsearch:5.6.4
+
+VOLUME ["/data"]
+EXPOSE 9200 9300
+
+COPY elasticsearch_logging_discovery run.sh bin/
+COPY config/elasticsearch.yml config/log4j2.properties config/
+
+USER root
+RUN chown -R elasticsearch:elasticsearch ./
+CMD ["bin/run.sh"]

vendor/k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image/Makefile

@@ -0,0 +1,31 @@
+# Copyright 2017 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.
+
+.PHONY:	binary build push
+
+PREFIX = gcr.io/google-containers
+IMAGE = elasticsearch
+TAG = v5.6.4
+
+build:
+	docker build --pull -t $(PREFIX)/$(IMAGE):$(TAG) .
+
+push:
+	gcloud docker -- push $(PREFIX)/$(IMAGE):$(TAG)
+
+binary:
+	CGO_ENABLED=0 GOOS=linux go build -a -ldflags "-w" elasticsearch_logging_discovery.go
+
+clean:
+	rm elasticsearch_logging_discovery

vendor/k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image/config/elasticsearch.yml

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+cluster.name: kubernetes-logging
+
+node.name: ${NODE_NAME}
+node.master: ${NODE_MASTER}
+node.data: ${NODE_DATA}
+
+transport.tcp.port: ${TRANSPORT_PORT}
+http.port: ${HTTP_PORT}
+
+path.data: /data
+
+network.host: 0.0.0.0
+
+discovery.zen.minimum_master_nodes: ${MINIMUM_MASTER_NODES}
+
+xpack.security.enabled: false
+xpack.monitoring.enabled: false

vendor/k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image/config/log4j2.properties

@@ -0,0 +1,11 @@
+status = error
+
+appender.console.type = Console
+appender.console.name = console
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = [%d{ISO8601}][%-5p][%-25c{1.}] %marker%m%n
+
+rootLogger.level = info
+rootLogger.appenderRef.console.ref = console
+rootLogger.action = debug
+rootLogger.com.amazonaws = warn

vendor/k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image/elasticsearch_logging_discovery.go

@@ -0,0 +1,128 @@
+/*
+Copyright 2017 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 main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/golang/glog"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	restclient "k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
+	clientapi "k8s.io/client-go/tools/clientcmd/api"
+	api "k8s.io/kubernetes/pkg/apis/core"
+	clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
+)
+
+func buildConfigFromEnvs(masterURL, kubeconfigPath string) (*restclient.Config, error) {
+	if kubeconfigPath == "" && masterURL == "" {
+		kubeconfig, err := restclient.InClusterConfig()
+		if err != nil {
+			return nil, err
+		}
+
+		return kubeconfig, nil
+	}
+
+	return clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
+		&clientcmd.ClientConfigLoadingRules{ExplicitPath: kubeconfigPath},
+		&clientcmd.ConfigOverrides{ClusterInfo: clientapi.Cluster{Server: masterURL}}).ClientConfig()
+}
+
+func flattenSubsets(subsets []api.EndpointSubset) []string {
+	ips := []string{}
+	for _, ss := range subsets {
+		for _, addr := range ss.Addresses {
+			ips = append(ips, fmt.Sprintf(`"%s"`, addr.IP))
+		}
+	}
+	return ips
+}
+
+func main() {
+	flag.Parse()
+
+	glog.Info("Kubernetes Elasticsearch logging discovery")
+
+	cc, err := buildConfigFromEnvs(os.Getenv("APISERVER_HOST"), os.Getenv("KUBE_CONFIG_FILE"))
+	if err != nil {
+		glog.Fatalf("Failed to make client: %v", err)
+	}
+	client, err := clientset.NewForConfig(cc)
+
+	if err != nil {
+		glog.Fatalf("Failed to make client: %v", err)
+	}
+	namespace := metav1.NamespaceSystem
+	envNamespace := os.Getenv("NAMESPACE")
+	if envNamespace != "" {
+		if _, err := client.Core().Namespaces().Get(envNamespace, metav1.GetOptions{}); err != nil {
+			glog.Fatalf("%s namespace doesn't exist: %v", envNamespace, err)
+		}
+		namespace = envNamespace
+	}
+
+	var elasticsearch *api.Service
+	serviceName := os.Getenv("ELASTICSEARCH_SERVICE_NAME")
+	if serviceName == "" {
+		serviceName = "elasticsearch-logging"
+	}
+
+	// Look for endpoints associated with the Elasticsearch loggging service.
+	// First wait for the service to become available.
+	for t := time.Now(); time.Since(t) < 5*time.Minute; time.Sleep(10 * time.Second) {
+		elasticsearch, err = client.Core().Services(namespace).Get(serviceName, metav1.GetOptions{})
+		if err == nil {
+			break
+		}
+	}
+	// If we did not find an elasticsearch logging service then log a warning
+	// and return without adding any unicast hosts.
+	if elasticsearch == nil {
+		glog.Warningf("Failed to find the elasticsearch-logging service: %v", err)
+		return
+	}
+
+	var endpoints *api.Endpoints
+	addrs := []string{}
+	// Wait for some endpoints.
+	count := 0
+	for t := time.Now(); time.Since(t) < 5*time.Minute; time.Sleep(10 * time.Second) {
+		endpoints, err = client.Core().Endpoints(namespace).Get(serviceName, metav1.GetOptions{})
+		if err != nil {
+			continue
+		}
+		addrs = flattenSubsets(endpoints.Subsets)
+		glog.Infof("Found %s", addrs)
+		if len(addrs) > 0 && len(addrs) == count {
+			break
+		}
+		count = len(addrs)
+	}
+	// If there was an error finding endpoints then log a warning and quit.
+	if err != nil {
+		glog.Warningf("Error finding endpoints: %v", err)
+		return
+	}
+
+	glog.Infof("Endpoints = %s", addrs)
+	fmt.Printf("discovery.zen.ping.unicast.hosts: [%s]\n", strings.Join(addrs, ", "))
+}

vendor/k8s.io/kubernetes/cluster/addons/fluentd-elasticsearch/es-image/run.sh

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+#!/bin/sh
+
+# Copyright 2017 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.
+
+set -ex
+
+export NODE_NAME=${NODE_NAME:-${HOSTNAME}}
+export NODE_MASTER=${NODE_MASTER:-true}
+export NODE_DATA=${NODE_DATA:-true}
+export HTTP_PORT=${HTTP_PORT:-9200}
+export TRANSPORT_PORT=${TRANSPORT_PORT:-9300}
+export MINIMUM_MASTER_NODES=${MINIMUM_MASTER_NODES:-2}
+
+chown -R elasticsearch:elasticsearch /data
+
+./bin/elasticsearch_logging_discovery >> ./config/elasticsearch.yml
+exec su elasticsearch -c ./bin/es-docker