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app.go
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app.go
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package main
import (
"fmt"
"log"
"text/tabwriter"
"github.com/coreos/updatectl/Godeps/_workspace/src/code.google.com/p/go-uuid/uuid"
"github.com/coreos/updatectl/client/update/v1"
)
var (
appFlags struct {
appId StringFlag
label StringFlag
description StringFlag
}
cmdApp = &Command{
Name: "app",
Summary: "Manage applications.",
Subcommands: []*Command{
cmdAppCreate,
cmdAppList,
cmdAppUpdate,
cmdAppDelete,
},
}
cmdAppCreate = &Command{
Name: "app create",
Usage: "[OPTION]...",
Description: `Create a new application.`,
Run: appCreate,
}
cmdAppList = &Command{
Name: "app list",
Description: `List all of the apps that exist including their label, token and update state.`,
Run: appList,
}
cmdAppUpdate = &Command{
Name: "app update",
Usage: "[OPTION]...",
Description: `Update an app's label or description.`,
Run: appUpdate,
}
cmdAppDelete = &Command{
Name: "app delete",
Usage: "[OPTION]...",
Description: `Delete an app.`,
Run: appDelete,
}
)
func init() {
cmdAppCreate.Flags.Var(&appFlags.appId, "app-id", "Application UUID. If not provided, one will be randomly generated.")
cmdAppCreate.Flags.Var(&appFlags.label, "label", "New application label.")
cmdAppCreate.Flags.Var(&appFlags.description, "description", "New application description.")
cmdAppUpdate.Flags.Var(&appFlags.appId, "app-id", "Application ID to update.")
cmdAppUpdate.Flags.Var(&appFlags.label, "label", "Set application label.")
cmdAppUpdate.Flags.Var(&appFlags.description, "description", "Set application description.")
cmdAppDelete.Flags.Var(&appFlags.appId, "app-id", "Application ID to delete.")
}
func formatApp(app *update.App) string {
return fmt.Sprintf("%s\t%s\t%s\n", app.Id, app.Label, app.Description)
}
func appList(args []string, service *update.Service, out *tabwriter.Writer) int {
listCall := service.App.List()
list, err := listCall.Do()
if err != nil {
log.Fatal(err)
}
fmt.Fprintln(out, "Id\tLabel\tDescription")
for _, app := range list.Items {
fmt.Fprintf(out, "%s", formatApp(app))
}
out.Flush()
return OK
}
func appCreate(args []string, service *update.Service, out *tabwriter.Writer) int {
if appFlags.appId.Get() == nil {
appFlags.appId.Set(uuid.New())
}
return updateAppHelper(service, out)
}
func appUpdate(args []string, service *update.Service, out *tabwriter.Writer) int {
if appFlags.appId.Get() == nil || appFlags.label.Get() == nil || appFlags.description.Get() == nil {
return ERROR_USAGE
}
return updateAppHelper(service, out)
}
func updateAppHelper(service *update.Service, out *tabwriter.Writer) int {
appReq := &update.AppUpdateReq{Label: appFlags.label.String(), Description: appFlags.description.String()}
call := service.App.Update(appFlags.appId.String(), appReq)
app, err := call.Do()
if err != nil {
log.Fatal(err)
}
fmt.Fprintf(out, "%s", formatApp(app))
out.Flush()
return OK
}
func appDelete(args []string, service *update.Service, out *tabwriter.Writer) int {
if appFlags.appId.Get() == nil {
return ERROR_USAGE
}
call := service.App.Delete(appFlags.appId.String())
app, err := call.Do()
if err != nil {
log.Fatal(err)
}
fmt.Fprintf(out, "%s", formatApp(app))
out.Flush()
return OK
}