forked from minishift/minishift
/
addons_list.go
104 lines (83 loc) · 2.95 KB
/
addons_list.go
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/*
Copyright (C) 2017 Red Hat, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package addon
import (
"os"
"text/template"
"fmt"
"io"
"sort"
"github.com/minishift/minishift/pkg/minishift/addon"
"github.com/minishift/minishift/pkg/minishift/addon/manager"
"github.com/minishift/minishift/pkg/util/os/atexit"
"github.com/spf13/cobra"
)
var verbose bool
var defaultAddonListFormat = "- {{.Name | printf \"%-15s\"}}: {{.Status | printf \"%-10s\"}} P({{.Priority | printf \"%d\"}})\n"
var defaultListTemplate *template.Template
var verboseAddonListFormat = `Name : {{.Name}}
Description: {{.Description}}
Enabled : {{.Status}}
Priority : {{.Priority}}
`
var verboseListTemplate *template.Template
type DisplayAddOn struct {
Name string
Description string
Status string
Priority int
}
var addonsListCmd = &cobra.Command{
Use: "list",
Short: "Lists all installed Minishift add-ons.",
Long: "Lists all installed Minishift add-ons and their current status, such as enabled/disabled.",
Run: runListCommand,
}
func init() {
addonsListCmd.Flags().BoolVar(&verbose, "verbose", false, "Prints the add-on list with a more verbose format of the output that includes the add-on description.")
AddonsCmd.AddCommand(addonsListCmd)
var err error
defaultListTemplate, err = template.New("list").Parse(defaultAddonListFormat)
if err != nil {
atexit.ExitWithMessage(1, fmt.Sprintf("Error creating list template: %s", err.Error()))
}
verboseListTemplate, err = template.New("list").Parse(verboseAddonListFormat)
if err != nil {
atexit.ExitWithMessage(1, fmt.Sprintf("Error creating list template: %s", err.Error()))
}
}
func runListCommand(cmd *cobra.Command, args []string) {
addOnManager := GetAddOnManager()
template := defaultListTemplate
if verbose {
template = verboseListTemplate
}
printAddOnList(addOnManager, os.Stdout, template)
}
func printAddOnList(manager *manager.AddOnManager, writer io.Writer, template *template.Template) {
addOns := manager.List()
sort.Sort(addon.ByStatusThenPriorityThenName(addOns))
for _, addon := range addOns {
addonTemplate := DisplayAddOn{addon.MetaData().Name(), addon.MetaData().Description(), stringFromStatus(addon.IsEnabled()), addon.GetPriority()}
err := template.Execute(writer, addonTemplate)
if err != nil {
atexit.ExitWithMessage(1, fmt.Sprintf("Error executing template: %s", err.Error()))
}
}
}
func stringFromStatus(addonStatus bool) string {
if addonStatus {
return "enabled"
}
return "disabled"
}