Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/clusterinfo_dump.go

@@ -0,0 +1,215 @@
+/*
+Copyright 2016 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 cmd
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path"
+
+	"github.com/spf13/cobra"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/kubectl"
+	"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
+	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
+)
+
+// NewCmdCreateSecret groups subcommands to create various types of secrets
+func NewCmdClusterInfoDump(f cmdutil.Factory, cmdOut io.Writer) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "dump",
+		Short:   "Dump lots of relevant info for debugging and diagnosis",
+		Long:    dumpLong,
+		Example: dumpExample,
+		Run: func(cmd *cobra.Command, args []string) {
+			cmdutil.CheckErr(dumpClusterInfo(f, cmd, args, cmdOut))
+		},
+	}
+	cmd.Flags().String("output-directory", "", "Where to output the files.  If empty or '-' uses stdout, otherwise creates a directory hierarchy in that directory")
+	cmd.Flags().StringSlice("namespaces", []string{}, "A comma separated list of namespaces to dump.")
+	cmd.Flags().Bool("all-namespaces", false, "If true, dump all namespaces.  If true, --namespaces is ignored.")
+	return cmd
+}
+
+var (
+	dumpLong = templates.LongDesc(`
+    Dumps cluster info out suitable for debugging and diagnosing cluster problems.  By default, dumps everything to
+    stdout. You can optionally specify a directory with --output-directory.  If you specify a directory, kubernetes will
+    build a set of files in that directory.  By default only dumps things in the 'kube-system' namespace, but you can
+    switch to a different namespace with the --namespaces flag, or specify --all-namespaces to dump all namespaces.
+
+    The command also dumps the logs of all of the pods in the cluster, these logs are dumped into different directories
+    based on namespace and pod name.`)
+
+	dumpExample = templates.Examples(`
+    # Dump current cluster state to stdout
+    kubectl cluster-info dump
+
+    # Dump current cluster state to /path/to/cluster-state
+    kubectl cluster-info dump --output-directory=/path/to/cluster-state
+
+    # Dump all namespaces to stdout
+    kubectl cluster-info dump --all-namespaces
+
+    # Dump a set of namespaces to /path/to/cluster-state
+    kubectl cluster-info dump --namespaces default,kube-system --output-directory=/path/to/cluster-state`)
+)
+
+func setupOutputWriter(cmd *cobra.Command, defaultWriter io.Writer, filename string) io.Writer {
+	dir := cmdutil.GetFlagString(cmd, "output-directory")
+	if len(dir) == 0 || dir == "-" {
+		return defaultWriter
+	}
+	fullFile := path.Join(dir, filename)
+	parent := path.Dir(fullFile)
+	cmdutil.CheckErr(os.MkdirAll(parent, 0755))
+
+	file, err := os.Create(path.Join(dir, filename))
+	cmdutil.CheckErr(err)
+	return file
+}
+
+func dumpClusterInfo(f cmdutil.Factory, cmd *cobra.Command, args []string, out io.Writer) error {
+	clientset, err := f.ClientSet()
+	if err != nil {
+		return err
+	}
+
+	printer, _, err := kubectl.GetPrinter("json", "", false, true)
+	if err != nil {
+		return err
+	}
+
+	nodes, err := clientset.Core().Nodes().List(api.ListOptions{})
+	if err != nil {
+		return err
+	}
+
+	if err := printer.PrintObj(nodes, setupOutputWriter(cmd, out, "nodes.json")); err != nil {
+		return err
+	}
+
+	var namespaces []string
+	if cmdutil.GetFlagBool(cmd, "all-namespaces") {
+		namespaceList, err := clientset.Core().Namespaces().List(api.ListOptions{})
+		if err != nil {
+			return err
+		}
+		for ix := range namespaceList.Items {
+			namespaces = append(namespaces, namespaceList.Items[ix].Name)
+		}
+	} else {
+		namespaces = cmdutil.GetFlagStringSlice(cmd, "namespaces")
+		if len(namespaces) == 0 {
+			cmdNamespace, _, err := f.DefaultNamespace()
+			if err != nil {
+				return err
+			}
+			namespaces = []string{
+				api.NamespaceSystem,
+				cmdNamespace,
+			}
+		}
+	}
+	for _, namespace := range namespaces {
+		// TODO: this is repetitive in the extreme.  Use reflection or
+		// something to make this a for loop.
+		events, err := clientset.Core().Events(namespace).List(api.ListOptions{})
+		if err != nil {
+			return err
+		}
+		if err := printer.PrintObj(events, setupOutputWriter(cmd, out, path.Join(namespace, "events.json"))); err != nil {
+			return err
+		}
+
+		rcs, err := clientset.Core().ReplicationControllers(namespace).List(api.ListOptions{})
+		if err != nil {
+			return err
+		}
+		if err := printer.PrintObj(rcs, setupOutputWriter(cmd, out, path.Join(namespace, "replication-controllers.json"))); err != nil {
+			return err
+		}
+
+		svcs, err := clientset.Core().Services(namespace).List(api.ListOptions{})
+		if err != nil {
+			return err
+		}
+		if err := printer.PrintObj(svcs, setupOutputWriter(cmd, out, path.Join(namespace, "services.json"))); err != nil {
+			return err
+		}
+
+		sets, err := clientset.Extensions().DaemonSets(namespace).List(api.ListOptions{})
+		if err != nil {
+			return err
+		}
+		if err := printer.PrintObj(sets, setupOutputWriter(cmd, out, path.Join(namespace, "daemonsets.json"))); err != nil {
+			return err
+		}
+
+		deps, err := clientset.Extensions().Deployments(namespace).List(api.ListOptions{})
+		if err != nil {
+			return err
+		}
+		if err := printer.PrintObj(deps, setupOutputWriter(cmd, out, path.Join(namespace, "deployments.json"))); err != nil {
+			return err
+		}
+
+		rps, err := clientset.Extensions().ReplicaSets(namespace).List(api.ListOptions{})
+		if err != nil {
+			return err
+		}
+		if err := printer.PrintObj(rps, setupOutputWriter(cmd, out, path.Join(namespace, "replicasets.json"))); err != nil {
+			return err
+		}
+
+		pods, err := clientset.Core().Pods(namespace).List(api.ListOptions{})
+		if err != nil {
+			return err
+		}
+
+		if err := printer.PrintObj(pods, setupOutputWriter(cmd, out, path.Join(namespace, "pods.json"))); err != nil {
+			return err
+		}
+
+		for ix := range pods.Items {
+			pod := &pods.Items[ix]
+			writer := setupOutputWriter(cmd, out, path.Join(namespace, pod.Name, "logs.txt"))
+			writer.Write([]byte(fmt.Sprintf("==== START logs for %s/%s ====\n", pod.Namespace, pod.Name)))
+			request, err := f.LogsForObject(pod, &api.PodLogOptions{})
+			if err != nil {
+				return err
+			}
+
+			data, err := request.DoRaw()
+			if err != nil {
+				return err
+			}
+			writer.Write(data)
+			writer.Write([]byte(fmt.Sprintf("==== END logs for %s/%s ====\n", pod.Namespace, pod.Name)))
+		}
+	}
+	dir := cmdutil.GetFlagString(cmd, "output-directory")
+	if len(dir) == 0 {
+		dir = "."
+	}
+	if dir != "-" {
+		fmt.Fprintf(out, "Cluster info dumped to %s", dir)
+	}
+	return nil
+}