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get_app.go
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get_app.go
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package cmd
import (
"io"
"sort"
"strings"
"github.com/spf13/cobra"
"github.com/jenkins-x/jx/pkg/apis/jenkins.io/v1"
"github.com/jenkins-x/jx/pkg/jx/cmd/templates"
cmdutil "github.com/jenkins-x/jx/pkg/jx/cmd/util"
"github.com/jenkins-x/jx/pkg/kube"
"github.com/jenkins-x/jx/pkg/util"
"k8s.io/api/apps/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// GetVersionOptions containers the CLI options
type GetVersionOptions struct {
CommonOptions
HideUrl bool
HidePod bool
}
var (
get_version_long = templates.LongDesc(`
Display applications across environments.
`)
get_version_example = templates.Examples(`
# List applications, their URL and pod counts for all environments
jx get apps
# List applications hiding the URLs
jx get apps -u
# List applications just showing the versions (hiding urls and pod counts)
jx get apps -u -p
`)
)
// NewCmdGetVersion creates the new command for: jx get version
func NewCmdGetVersion(f cmdutil.Factory, out io.Writer, errOut io.Writer) *cobra.Command {
options := &GetVersionOptions{
CommonOptions: CommonOptions{
Factory: f,
Out: out,
Err: errOut,
},
}
cmd := &cobra.Command{
Use: "applications",
Short: "Display one or many Applications and their versions",
Aliases: []string{"app", "apps", "version", "versions"},
Long: get_version_long,
Example: get_version_example,
Run: func(cmd *cobra.Command, args []string) {
options.Cmd = cmd
options.Args = args
err := options.Run()
cmdutil.CheckErr(err)
},
}
cmd.Flags().BoolVarP(&options.HideUrl, "url", "u", false, "Hide the URLs")
cmd.Flags().BoolVarP(&options.HidePod, "pod", "p", false, "Hide the pod counts")
return cmd
}
type EnvApps struct {
Environment v1.Environment
Apps map[string]v1beta1.Deployment
}
// Run implements this command
func (o *GetVersionOptions) Run() error {
f := o.Factory
client, currentNs, err := f.CreateJXClient()
if err != nil {
return err
}
kubeClient, _, err := o.Factory.CreateClient()
if err != nil {
return err
}
ns, _, err := kube.GetDevNamespace(kubeClient, currentNs)
if err != nil {
return err
}
envList, err := client.JenkinsV1().Environments(ns).List(metav1.ListOptions{})
if err != nil {
return err
}
kube.SortEnvironments(envList.Items)
namespaces := []string{}
envApps := []EnvApps{}
envNames := []string{}
apps := []string{}
for _, env := range envList.Items {
if env.Spec.Kind != v1.EnvironmentKindTypePreview {
ens := env.Spec.Namespace
namespaces = append(namespaces, ens)
if ens != "" && env.Name != kube.LabelValueDevEnvironment {
envNames = append(envNames, env.Name)
m, err := kube.GetDeployments(kubeClient, ens)
if err == nil {
envApp := EnvApps{
Environment: env,
Apps: map[string]v1beta1.Deployment{},
}
envApps = append(envApps, envApp)
for k, d := range m {
appName := kube.GetAppName(k, ens)
envApp.Apps[appName] = d
if util.StringArrayIndex(apps, appName) < 0 {
apps = append(apps, appName)
}
}
}
}
}
}
util.ReverseStrings(namespaces)
if len(apps) == 0 {
o.Printf("No applications found in environments %s\n", strings.Join(envNames, ", "))
return nil
}
sort.Strings(apps)
table := o.CreateTable()
titles := []string{"APPLICATION"}
for _, ea := range envApps {
titles = append(titles, strings.ToUpper(ea.Environment.Name))
if !o.HidePod {
titles = append(titles, "PODS")
}
if !o.HideUrl {
titles = append(titles, "URL")
}
}
table.AddRow(titles...)
for _, appName := range apps {
row := []string{appName}
for _, ea := range envApps {
version := ""
d := ea.Apps[appName]
version = kube.GetVersion(&d.ObjectMeta)
row = append(row, version)
if !o.HidePod {
pods := ""
replicas := ""
ready := d.Status.ReadyReplicas
if d.Spec.Replicas != nil && ready > 0 {
replicas = formatInt32(*d.Spec.Replicas)
pods = formatInt32(ready) + "/" + replicas
}
row = append(row, pods)
}
if !o.HideUrl {
url, _ := kube.FindServiceURL(kubeClient, d.Namespace, appName)
if url == "" {
url, _ = kube.FindServiceURL(kubeClient, d.Namespace, d.Name)
}
row = append(row, url)
}
}
table.AddRow(row...)
}
table.Render()
return nil
}