mirror of
https://github.com/k3s-io/k3s.git
synced 2024-06-07 19:41:36 +00:00
71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
/*
|
|
Copyright 2019 The Kubernetes 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 crictl
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
"text/tabwriter"
|
|
)
|
|
|
|
const (
|
|
columnContainer = "CONTAINER"
|
|
columnImage = "IMAGE"
|
|
columnImageID = "IMAGE ID"
|
|
columnCreated = "CREATED"
|
|
columnState = "STATE"
|
|
columnName = "NAME"
|
|
columnAttempt = "ATTEMPT"
|
|
columnPodID = "POD ID"
|
|
columnNamespace = "NAMESPACE"
|
|
columnSize = "SIZE"
|
|
columnTag = "TAG"
|
|
columnDigest = "DIGEST"
|
|
columnMemory = "MEM"
|
|
columnInodes = "INODES"
|
|
columnDisk = "DISK"
|
|
columnCPU = "CPU %"
|
|
)
|
|
|
|
// display use to output something on screen with table format.
|
|
type display struct {
|
|
w *tabwriter.Writer
|
|
}
|
|
|
|
// newTableDisplay creates a display instance, and uses to format output with table.
|
|
func newTableDisplay(minwidth, tabwidth, padding int, padchar byte, flags uint) *display {
|
|
w := tabwriter.NewWriter(os.Stdout, minwidth, tabwidth, padding, padchar, 0)
|
|
return &display{w}
|
|
}
|
|
|
|
// AddRow add a row of data.
|
|
func (d *display) AddRow(row []string) {
|
|
fmt.Fprintln(d.w, strings.Join(row, "\t"))
|
|
}
|
|
|
|
// Flush output all rows on screen.
|
|
func (d *display) Flush() error {
|
|
return d.w.Flush()
|
|
}
|
|
|
|
// ClearScreen clear all output on screen.
|
|
func (d *display) ClearScreen() {
|
|
fmt.Fprint(os.Stdout, "\033[2J")
|
|
fmt.Fprint(os.Stdout, "\033[H")
|
|
}
|