120 lines
2.8 KiB
Go
120 lines
2.8 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of K9s
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package view
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import (
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/k9s/internal/dao"
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"github.com/derailed/k9s/internal/ui"
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"github.com/derailed/tcell/v2"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// LogsExtender adds log actions to a given viewer.
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type LogsExtender struct {
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ResourceViewer
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optionsFn LogOptionsFunc
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}
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// NewLogsExtender returns a new extender.
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func NewLogsExtender(v ResourceViewer, f LogOptionsFunc) ResourceViewer {
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l := LogsExtender{
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ResourceViewer: v,
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optionsFn: f,
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}
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l.AddBindKeysFn(l.bindKeys)
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return &l
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}
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// BindKeys injects new menu actions.
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func (l *LogsExtender) bindKeys(aa *ui.KeyActions) {
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aa.Bulk(ui.KeyMap{
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ui.KeyL: ui.NewKeyAction("Logs", l.logsCmd(false), true),
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ui.KeyP: ui.NewKeyAction("Logs Previous", l.logsCmd(true), true),
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})
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}
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func (l *LogsExtender) logsCmd(prev bool) func(evt *tcell.EventKey) *tcell.EventKey {
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return func(evt *tcell.EventKey) *tcell.EventKey {
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path := l.GetTable().GetSelectedItem()
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if path == "" {
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return nil
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}
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if !isResourcePath(path) {
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path = l.GetTable().Path
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}
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l.showLogs(path, prev)
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return nil
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}
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}
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func isResourcePath(p string) bool {
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ns, n := client.Namespaced(p)
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return ns != "" && n != ""
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}
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func (l *LogsExtender) showLogs(path string, prev bool) {
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ns, _ := client.Namespaced(path)
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_, err := l.App().factory.CanForResource(ns, "v1/pods", client.ListAccess)
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if err != nil {
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l.App().Flash().Err(err)
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return
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}
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opts := l.buildLogOpts(path, "", prev)
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if l.optionsFn != nil {
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if opts, err = l.optionsFn(prev); err != nil {
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l.App().Flash().Err(err)
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return
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}
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}
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if err := l.App().inject(NewLog(l.GVR(), opts), false); err != nil {
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l.App().Flash().Err(err)
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}
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}
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// buildLogOpts(path, co, prev, false, config.DefaultLoggerTailCount),.
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func (l *LogsExtender) buildLogOpts(path, co string, prevLogs bool) *dao.LogOptions {
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cfg := l.App().Config.K9s.Logger
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opts := dao.LogOptions{
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Path: path,
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Container: co,
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Lines: int64(cfg.TailCount),
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Previous: prevLogs,
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ShowTimestamp: cfg.ShowTime,
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}
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if opts.Container == "" {
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opts.AllContainers = true
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}
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return &opts
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}
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func podLogOptions(app *App, fqn string, prev bool, m metav1.ObjectMeta, spec v1.PodSpec) *dao.LogOptions {
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var (
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cc = fetchContainers(m, spec, true)
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cfg = app.Config.K9s.Logger
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opts = dao.LogOptions{
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Path: fqn,
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Lines: int64(cfg.TailCount),
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SinceSeconds: cfg.SinceSeconds,
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SingleContainer: len(cc) == 1,
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ShowTimestamp: cfg.ShowTime,
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Previous: prev,
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}
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)
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if c, ok := dao.GetDefaultContainer(m, spec); ok {
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opts.Container, opts.DefaultContainer = c, c
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} else if len(cc) == 1 {
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opts.Container = cc[0]
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} else {
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opts.AllContainers = true
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}
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return &opts
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}
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