ffa764d60b
This change allows the namespace in kubeconfig to be overridden by specifying the namespace in the spec file. If namespace is explicitly provided in the command line flags and the spec file has a different namespace, this will cause an error.
110 lines
3.2 KiB
Go
110 lines
3.2 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"io"
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"os"
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"strconv"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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cmdutil "github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/cmd/util"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/resource"
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"github.com/daviddengcn/go-colortext"
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"github.com/spf13/cobra"
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)
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func NewCmdClusterInfo(f *cmdutil.Factory, out io.Writer) *cobra.Command {
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cmd := &cobra.Command{
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Use: "cluster-info",
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// clusterinfo is deprecated.
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Aliases: []string{"clusterinfo"},
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Short: "Display cluster info",
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Long: "Display addresses of the master and services with label kubernetes.io/cluster-service=true",
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Run: func(cmd *cobra.Command, args []string) {
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err := RunClusterInfo(f, out, cmd)
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cmdutil.CheckErr(err)
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},
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}
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return cmd
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}
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func RunClusterInfo(factory *cmdutil.Factory, out io.Writer, cmd *cobra.Command) error {
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if os.Args[1] == "clusterinfo" {
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printDeprecationWarning("cluster-info", "clusterinfo")
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}
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client, err := factory.ClientConfig()
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if err != nil {
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return err
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}
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printService(out, "Kubernetes master", client.Host)
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mapper, typer := factory.Object()
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cmdNamespace, _, err := factory.DefaultNamespace()
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if err != nil {
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return err
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}
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// TODO use generalized labels once they are implemented (#341)
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b := resource.NewBuilder(mapper, typer, factory.ClientMapperForCommand()).
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NamespaceParam(cmdNamespace).DefaultNamespace().
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SelectorParam("kubernetes.io/cluster-service=true").
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ResourceTypeOrNameArgs(false, []string{"services"}...).
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Latest()
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b.Do().Visit(func(r *resource.Info) error {
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services := r.Object.(*api.ServiceList).Items
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for _, service := range services {
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var link string
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if len(service.Status.LoadBalancer.Ingress) > 0 {
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ingress := service.Status.LoadBalancer.Ingress[0]
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ip := ingress.IP
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if ip == "" {
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ip = ingress.Hostname
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}
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for _, port := range service.Spec.Ports {
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link += "http://" + ip + ":" + strconv.Itoa(port.Port) + " "
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}
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} else {
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link = client.Host + "/api/" + client.Version + "/proxy/namespaces/" + service.ObjectMeta.Namespace + "/services/" + service.ObjectMeta.Name
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}
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name := service.ObjectMeta.Labels["kubernetes.io/name"]
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if len(name) == 0 {
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name = service.ObjectMeta.Name
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}
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printService(out, name, link)
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}
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return nil
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})
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return nil
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// TODO consider printing more information about cluster
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}
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func printService(out io.Writer, name, link string) {
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ct.ChangeColor(ct.Green, false, ct.None, false)
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fmt.Fprint(out, name)
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ct.ResetColor()
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fmt.Fprintf(out, " is running at ")
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ct.ChangeColor(ct.Yellow, false, ct.None, false)
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fmt.Fprint(out, link)
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ct.ResetColor()
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fmt.Fprintln(out, "")
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}
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