forked from tektoncd/cli
/
list.go
129 lines (106 loc) · 3.23 KB
/
list.go
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// Copyright © 2020 The Tekton Authors.
//
// 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 clustertriggerbinding
import (
"errors"
"fmt"
"text/tabwriter"
"github.com/spf13/cobra"
"github.com/tektoncd/cli/pkg/cli"
"github.com/tektoncd/cli/pkg/clustertriggerbinding"
"github.com/tektoncd/cli/pkg/formatted"
"github.com/tektoncd/cli/pkg/printer"
"github.com/tektoncd/triggers/pkg/apis/triggers/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
cliopts "k8s.io/cli-runtime/pkg/genericclioptions"
)
const (
emptyMsg = "No ClusterTriggerBindings found"
)
type listOptions struct {
NoHeaders bool
}
func listCommand(p cli.Params) *cobra.Command {
opts := &listOptions{}
f := cliopts.NewPrintFlags("list")
eg := `List all ClusterTriggerBindings:
tkn clustertriggerbinding list
or
tkn ctb ls
`
c := &cobra.Command{
Use: "list",
Aliases: []string{"ls"},
Short: "Lists ClusterTriggerBindings in a namespace",
Annotations: map[string]string{
"commandType": "main",
},
Example: eg,
RunE: func(cmd *cobra.Command, args []string) error {
cs, err := p.Clients()
if err != nil {
return err
}
tbs, err := clustertriggerbinding.List(cs, metav1.ListOptions{})
if err != nil {
return fmt.Errorf("failed to list ClusterTriggerBindings: %v", err)
}
output, err := cmd.LocalFlags().GetString("output")
if err != nil {
return errors.New("output option not set properly")
}
stream := &cli.Stream{
Out: cmd.OutOrStdout(),
Err: cmd.OutOrStderr(),
}
if output == "name" && tbs != nil {
w := cmd.OutOrStdout()
for _, pr := range tbs.Items {
_, err := fmt.Fprintf(w, "clustertriggerbinding.triggers.tekton.dev/%s\n", pr.Name)
if err != nil {
return err
}
}
return nil
} else if output != "" {
return printer.PrintObject(stream.Out, tbs, f)
}
if err = printFormatted(stream, tbs, p, opts.NoHeaders); err != nil {
return fmt.Errorf("failed to print ClusterTriggerBindings: %v", err)
}
return nil
},
}
f.AddFlags(c)
c.Flags().BoolVar(&opts.NoHeaders, "no-headers", opts.NoHeaders, "do not print column headers with output (default print column headers with output)")
return c
}
func printFormatted(s *cli.Stream, tbs *v1beta1.ClusterTriggerBindingList, p cli.Params, noHeaders bool) error {
if len(tbs.Items) == 0 {
fmt.Fprintln(s.Err, emptyMsg)
return nil
}
w := tabwriter.NewWriter(s.Out, 0, 5, 3, ' ', tabwriter.TabIndent)
if !noHeaders {
fmt.Fprintln(w, "NAME\tAGE")
}
clusterTriggerBindings := tbs.Items
for idx := range clusterTriggerBindings {
fmt.Fprintf(w, "%s\t%s\n",
clusterTriggerBindings[idx].Name,
formatted.Age(&clusterTriggerBindings[idx].CreationTimestamp, p.Time()),
)
}
return w.Flush()
}