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get_applications.go
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/
get_applications.go
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package get
import (
"fmt"
"sort"
"strings"
"github.com/jenkins-x/jx/v2/pkg/applications"
"github.com/jenkins-x/jx/v2/pkg/cmd/helper"
"github.com/jenkins-x/jx/v2/pkg/table"
"github.com/pkg/errors"
"k8s.io/client-go/kubernetes"
"github.com/spf13/cobra"
v1 "github.com/jenkins-x/jx-api/pkg/apis/jenkins.io/v1"
"github.com/jenkins-x/jx-logging/pkg/log"
"github.com/jenkins-x/jx/v2/pkg/cmd/opts"
"github.com/jenkins-x/jx/v2/pkg/cmd/templates"
"github.com/jenkins-x/jx/v2/pkg/kube"
appsV1 "k8s.io/api/apps/v1"
)
// GetApplicationsOptions containers the CLI options
type GetApplicationsOptions struct {
*opts.CommonOptions
Namespace string
Environment string
HideUrl bool
HidePod bool
Previews bool
}
// Applications is a map indexed by the application name then the environment name
// Applications map[string]map[string]*ApplicationEnvironmentInfo
// EnvApps contains data about app deployments in an environment
type EnvApps struct {
Environment v1.Environment
Apps map[string]appsV1.Deployment
}
// ApplicationEnvironmentInfo contains the results of an app for an environment
type ApplicationEnvironmentInfo struct {
Deployment *appsV1.Deployment
Environment *v1.Environment
Version string
URL string
}
var (
getVersionLong = templates.LongDesc(`
Display applications across environments.
`)
getVersionExample = templates.Examples(`
# List applications, their URL and pod counts for all environments
jx get applications
# List applications only in the Staging environment
jx get applications -e staging
# List applications only in the Production environment
jx get applications -e production
# List applications only in a specific namespace
jx get applications -n jx-staging
# List applications hiding the URLs
jx get applications -u
# List applications just showing the versions (hiding urls and pod counts)
jx get applications -u -p
`)
)
// NewCmdGetApplications creates the new command for: jx get version
func NewCmdGetApplications(commonOpts *opts.CommonOptions) *cobra.Command {
options := &GetApplicationsOptions{
CommonOptions: commonOpts,
}
cmd := &cobra.Command{
Use: "applications",
Short: "Display one or more Applications and their versions",
Aliases: []string{"application", "version", "versions"},
Long: getVersionLong,
Example: getVersionExample,
Run: func(cmd *cobra.Command, args []string) {
options.Cmd = cmd
options.Args = args
err := options.Run()
helper.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")
cmd.Flags().BoolVarP(&options.Previews, "preview", "w", false, "Show preview environments only")
cmd.Flags().StringVarP(&options.Environment, "env", "e", "", "Filter applications in the given environment")
cmd.Flags().StringVarP(&options.Namespace, "namespace", "n", "", "Filter applications in the given namespace")
return cmd
}
// Run implements this command
func (o *GetApplicationsOptions) Run() error {
if o.Previews {
fmt.Println("The `--preview` flag has been deprecated from this command, use instead `jx get previews`")
return nil
}
list, err := applications.GetApplications(o.CommonOptions.GetFactory())
if err != nil {
return errors.Wrap(err, "fetching applications")
}
if len(list.Items) == 0 {
log.Logger().Infof("No applications found")
return nil
}
kubeClient, err := o.KubeClient()
if err != nil {
return err
}
table := o.generateTable(kubeClient, list)
table.Render()
return nil
}
func (o *GetApplicationsOptions) generateTable(kubeClient kubernetes.Interface, list applications.List) table.Table {
table := o.generateTableHeaders(list)
for _, a := range list.Items {
row := []string{}
name := a.Name()
if len(a.Environments) > 0 {
for _, k := range o.sortedKeys(list.Environments()) {
if ae, ok := a.Environments[k]; ok {
for _, d := range ae.Deployments {
name = kube.GetAppName(d.Deployment.Name, k)
if ae.Environment.Spec.Kind == v1.EnvironmentKindTypeEdit {
name = kube.GetEditAppName(name)
} else if ae.Environment.Spec.Kind == v1.EnvironmentKindTypePreview {
name = ae.Environment.Spec.PullRequestURL
}
if !ae.IsPreview() {
row = append(row, d.Version())
}
if !o.HidePod {
row = append(row, d.Pods())
}
if !o.HideUrl {
row = append(row, d.URL(kubeClient, a))
}
}
} else {
if !ae.IsPreview() {
row = append(row, "")
}
if !o.HidePod {
row = append(row, "")
}
if !o.HideUrl {
row = append(row, "")
}
}
}
row = append([]string{name}, row...)
table.AddRow(row...)
}
}
return table
}
func envTitleName(e v1.Environment) string {
if e.Spec.Kind == v1.EnvironmentKindTypeEdit {
return "Edit"
}
return e.Name
}
func (o *GetApplicationsOptions) sortedKeys(envs map[string]v1.Environment) []string {
keys := make([]string, 0, len(envs))
for k, env := range envs {
if (o.Environment == "" || o.Environment == k) && (o.Namespace == "" || o.Namespace == env.Spec.Namespace) {
keys = append(keys, k)
}
}
sort.Sort(sort.Reverse(sort.StringSlice(keys)))
return keys
}
func (o *GetApplicationsOptions) generateTableHeaders(list applications.List) table.Table {
t := o.CreateTable()
title := "APPLICATION"
titles := []string{title}
envs := list.Environments()
for _, k := range o.sortedKeys(envs) {
titles = append(titles, strings.ToUpper(envTitleName(envs[k])))
if !o.HidePod {
titles = append(titles, "PODS")
}
if !o.HideUrl {
titles = append(titles, "URL")
}
}
t.AddRow(titles...)
return t
}