Files
kubevela/pkg/commands/show.go
roy wang 58bef9791f fix cmd uitable wrap issue
Signed-off-by: roy wang <seiwy2010@gmail.com>
2020-12-09 19:48:17 +09:00

127 lines
3.1 KiB
Go

package commands
import (
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/oam-dev/kubevela/apis/types"
"github.com/oam-dev/kubevela/pkg/application"
cmdutil "github.com/oam-dev/kubevela/pkg/commands/util"
"github.com/oam-dev/kubevela/pkg/serverlib"
)
// NewAppShowCommand will show current application config
func NewAppShowCommand(ioStreams cmdutil.IOStreams) *cobra.Command {
cmd := &cobra.Command{
Use: "show APP_NAME",
Short: "Show details of an application",
Long: "Show details of an application",
Example: `vela show APP_NAME`,
RunE: func(cmd *cobra.Command, args []string) error {
argsLength := len(args)
if argsLength == 0 {
ioStreams.Errorf("Hint: please specify the application name\n")
os.Exit(1)
}
appName := args[0]
env, err := GetEnv(cmd)
if err != nil {
ioStreams.Errorf("Error: failed to get Env: %s", err)
return err
}
return showApplication(cmd, env, appName)
},
Annotations: map[string]string{
types.TagCommandType: types.TypeApp,
},
}
cmd.Flags().StringP("svc", "s", "", "service name")
cmd.SetOut(ioStreams.Out)
return cmd
}
func showApplication(cmd *cobra.Command, env *types.EnvMeta, appName string) error {
app, err := application.Load(env.Name, appName)
if err != nil {
return err
}
targetServices, err := serverlib.GetServicesWhenDescribingApplication(cmd, app)
if err != nil {
return err
}
cmd.Printf("About:\n\n")
table := newUITable()
table.AddRow(" Name:", appName)
table.AddRow(" Created at:", app.CreateTime.String())
table.AddRow(" Updated at:", app.UpdateTime.String())
cmd.Printf("%s\n\n", table.String())
cmd.Println()
cmd.Printf("Environment:\n\n")
cmd.Printf(" Namespace:\t%s\n", env.Namespace)
cmd.Println()
table = newUITable()
cmd.Printf("Services:\n\n")
for _, svcName := range targetServices {
if err := showComponent(cmd, env, svcName, appName); err != nil {
return err
}
}
cmd.Println(table.String())
cmd.Println()
return nil
}
func showComponent(cmd *cobra.Command, env *types.EnvMeta, compName, appName string) error {
var app *application.Application
var err error
if appName != "" {
app, err = application.Load(env.Name, appName)
} else {
app, err = application.MatchAppByComp(env.Name, compName)
}
if err != nil {
return err
}
for cname := range app.Services {
if cname != compName {
continue
}
wtype, data := app.GetWorkload(compName)
table := newUITable()
table.AddRow(" - Name:", compName)
table.AddRow(" WorkloadType:", wtype)
cmd.Printf(table.String())
cmd.Printf("\n Arguments:\n")
table = newUITable()
for k, v := range data {
table.AddRow(fmt.Sprintf(" %s: ", k), v)
}
cmd.Printf("%s", table.String())
traits, err := app.GetTraits(compName)
if err != nil {
cmd.PrintErr(err)
continue
}
cmd.Println()
cmd.Printf(" Traits:\n")
for k, v := range traits {
cmd.Printf(" - %s:\n", k)
table = newUITable()
for kk, vv := range v {
table.AddRow(fmt.Sprintf(" %s:", kk), vv)
}
cmd.Printf("%s\n", table.String())
}
cmd.Println()
}
return nil
}