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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package cmd | ||
|
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| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "path/filepath" | ||
|
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| "github.com/spf13/cobra" | ||
| "github.com/vs4vijay/lazykubectl/pkg/k8s" | ||
| "github.com/vs4vijay/lazykubectl/pkg/tui" | ||
|
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| "os" | ||
|
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| "github.com/spf13/viper" | ||
| ) | ||
|
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| var ( | ||
| cfgFile string | ||
| kubeConfigFile string | ||
| home = k8s.Home() | ||
| ) | ||
|
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| var rootCmd = &cobra.Command{ | ||
| Use: "lazykubectl", | ||
| Short: "A Kubernetes Client", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| fmt.Println("lazykubectl") | ||
|
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| configData, err := ioutil.ReadFile(kubeConfigFile) | ||
| if err != nil { | ||
| fmt.Errorf("Error in Reading Config: %v", err) | ||
| os.Exit(1) | ||
| } | ||
|
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| kubeConfig := k8s.KubeConfig{ | ||
| Type: "MANIFEST", | ||
| Manifest: string(configData), | ||
| } | ||
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| tui.Start(kubeConfig) | ||
| }, | ||
| } | ||
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| func Execute() { | ||
| if err := rootCmd.Execute(); err != nil { | ||
| fmt.Println(err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
|
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| func init() { | ||
| cobra.OnInitialize(initConfig) | ||
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| rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.lazykubectl.yaml)") | ||
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| flags := rootCmd.Flags() | ||
| flags.StringVarP(&kubeConfigFile, "kubeconfig", "c", filepath.Join(home, ".kube", "config"), "") | ||
| } | ||
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| // initConfig reads in config file and ENV variables if set. | ||
| func initConfig() { | ||
| if cfgFile != "" { | ||
| viper.SetConfigFile(cfgFile) | ||
| } else { | ||
| viper.AddConfigPath(home) | ||
| viper.SetConfigName(".lazykubectl") | ||
| } | ||
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| viper.AutomaticEnv() | ||
|
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| if err := viper.ReadInConfig(); err == nil { | ||
| fmt.Println("Using config file:", viper.ConfigFileUsed()) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,61 +1,7 @@ | ||
| package main | ||
|
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| import ( | ||
| "github.com/rivo/tview" | ||
| ) | ||
|
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| const ( | ||
| project = "lazykubectl" | ||
| ) | ||
| import "github.com/vs4vijay/lazykubectl/cmd" | ||
|
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| func main() { | ||
| app := tview.NewApplication() | ||
| box := tview.NewBox().SetBorder(true).SetTitle(project) | ||
| button := tview.NewButton("Hit Enter to close").SetSelectedFunc(func() { | ||
| app.Stop() | ||
| }) | ||
|
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| button.SetBorder(true).SetRect(0, 0, 22, 3) | ||
|
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| dropdown := tview.NewDropDown(). | ||
| SetLabel("Select an option (hit Enter): "). | ||
| SetOptions([]string{"First", "Second", "Third", "Fourth", "Fifth"}, nil) | ||
|
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| flex := tview.NewFlex(). | ||
| AddItem(tview.NewBox().SetBorder(true).SetTitle("Left (1/2 x width of Top)"), 0, 1, false). | ||
| AddItem(tview.NewFlex().SetDirection(tview.FlexRow). | ||
| AddItem(box, 0, 1, true). | ||
| AddItem(button, 0, 3, false). | ||
| AddItem(dropdown, 5, 1, false), 0, 2, false). | ||
| AddItem(tview.NewBox().SetBorder(true).SetTitle("Right (20 cols)"), 20, 1, false) | ||
|
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| newPrimitive := func(text string) tview.Primitive { | ||
| return tview.NewTextView(). | ||
| SetTextAlign(tview.AlignCenter). | ||
| SetText(text) | ||
| } | ||
| menu := newPrimitive("Menu") | ||
| main := newPrimitive("Main content") | ||
| sideBar := newPrimitive("Side Bar") | ||
|
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| grid := tview.NewGrid(). | ||
| SetRows(3, 0, 3). | ||
| SetColumns(30, 0, 30). | ||
| SetBorders(true). | ||
| AddItem(button, 0, 0, 1, 3, 0, 0, false). | ||
| AddItem(dropdown, 2, 0, 1, 3, 0, 0, false) | ||
|
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| // Layout for screens narrower than 100 cells (menu and side bar are hidden). | ||
| grid.AddItem(menu, 0, 0, 0, 0, 0, 0, false). | ||
| AddItem(flex, 1, 0, 1, 3, 0, 0, false). | ||
| AddItem(sideBar, 0, 0, 0, 0, 0, 0, false) | ||
|
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| // Layout for screens wider than 100 cells. | ||
| grid.AddItem(menu, 1, 0, 1, 1, 0, 100, false). | ||
| AddItem(main, 1, 1, 1, 1, 0, 100, false). | ||
| AddItem(sideBar, 1, 2, 1, 1, 0, 100, false) | ||
|
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| if err := app.SetRoot(grid, true).SetFocus(grid).Run(); err != nil { | ||
| panic(err) | ||
| } | ||
| cmd.Execute() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| package k8s | ||
|
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| import ( | ||
| "k8s.io/client-go/util/homedir" | ||
| ) | ||
|
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| func Home() string { | ||
| return homedir.HomeDir() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,161 @@ | ||
| package tui | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
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| "github.com/jroimartin/gocui" | ||
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| "github.com/vs4vijay/lazykubectl/pkg/k8s" | ||
| ) | ||
|
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| var ( | ||
| viewArr = []string{"Info", "Namespaces", "Pods", "Services"} | ||
| active = 0 | ||
| ) | ||
|
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| func Start(kubeConfig k8s.KubeConfig) { | ||
| g, err := gocui.NewGui(gocui.Output256) | ||
| if err != nil { | ||
| log.Panicln(err) | ||
| } | ||
| defer g.Close() | ||
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| g.InputEsc = true | ||
| g.Cursor = true | ||
| g.Mouse = true | ||
| g.Highlight = true | ||
| g.SelFgColor = gocui.ColorBlue | ||
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| g.SetManagerFunc(layout) | ||
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| if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil { | ||
| log.Panicln("SetKeybinding --- ", err) | ||
| } | ||
|
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| if err := g.SetKeybinding("", gocui.KeyTab, gocui.ModNone, nextView); err != nil { | ||
| log.Panicln(err) | ||
| } | ||
|
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| if err := g.SetKeybinding("Pods", gocui.KeyCtrlP, gocui.ModNone, quit); err != nil { | ||
| log.Panicln("SetKeybinding --- ", err) | ||
| } | ||
|
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| if err := g.MainLoop(); err != nil && err != gocui.ErrQuit { | ||
| log.Panicln("MainLoop --- ", err) | ||
| } | ||
|
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| // g.SetViewOnTop("Namespaces") | ||
| // g.SetCurrentView("Namespaces") | ||
| } | ||
|
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| func layout(g *gocui.Gui) error { | ||
| maxX, maxY := g.Size() | ||
|
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| pad := 1 | ||
| gridX, gridY := maxX/4, maxY/3 | ||
|
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| if v, err := g.SetView("Info", 0, 0, gridX - pad, gridY - pad); err != nil { | ||
| if err != gocui.ErrUnknownView { | ||
| return err | ||
| } | ||
|
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| v.Title = "Info" | ||
| v.Editable = true | ||
| v.Wrap = true | ||
|
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| fmt.Fprintf(v, "Context: %v\n", "") | ||
| fmt.Fprintf(v, "Cluster: %v\n", "") | ||
| fmt.Fprintf(v, "User: %v\n", "") | ||
| fmt.Fprintf(v, "Nodes: %v\n", "") | ||
| } | ||
|
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| if v, err := g.SetView("Namespaces", 0, gridY, gridX - pad, (gridY * 2) - pad) ; err != nil { | ||
| if err != gocui.ErrUnknownView { | ||
| return err | ||
| } | ||
| v.Title = "Namespaces" | ||
| v.Editable = true | ||
| v.Wrap = true | ||
| fmt.Fprintf(v, "Namespaces: %v\n", "") | ||
| } | ||
|
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| if v, err := g.SetView("Pods", gridX, 0, (gridX * 4), (gridY * 2) - pad) ; err != nil { | ||
| if err != gocui.ErrUnknownView { | ||
| return err | ||
| } | ||
| v.Title = "Pods" | ||
| v.Editable = true | ||
| v.Autoscroll = true | ||
| fmt.Fprintf(v, "Pods: %v\n", "") | ||
| } | ||
|
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| if v, err := g.SetView("Services", 0, gridY * 2, (gridX * 4), gridY * 3) ; err != nil { | ||
| if err != gocui.ErrUnknownView { | ||
| return err | ||
| } | ||
| v.Title = "Services" | ||
| v.Editable = true | ||
| v.Wrap = true | ||
| fmt.Fprintf(v, "Services: %v\n", "") | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func quit(g *gocui.Gui, v *gocui.View) error { | ||
| return gocui.ErrQuit | ||
| } | ||
|
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| func setCurrentViewOnTop(g *gocui.Gui, name string) (*gocui.View, error) { | ||
| if _, err := g.SetCurrentView(name); err != nil { | ||
| return nil, err | ||
| } | ||
| return g.SetViewOnTop(name) | ||
| } | ||
|
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| func nextView(g *gocui.Gui, v *gocui.View) error { | ||
| nextIndex := (active + 1) % len(viewArr) | ||
| name := viewArr[nextIndex] | ||
|
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| // out, err := g.View("Pods") | ||
| // if err != nil { | ||
| // return err | ||
| // } | ||
| // fmt.Fprintf(out, "Going from view %v to %v\n", v.Name(), name) | ||
|
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| if _, err := setCurrentViewOnTop(g, name); err != nil { | ||
| return err | ||
| } | ||
|
|
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| if nextIndex == 0 || nextIndex == 3 { | ||
| g.Cursor = true | ||
| } else { | ||
| g.Cursor = false | ||
| } | ||
|
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| active = nextIndex | ||
| return nil | ||
| } | ||
|
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| func Try(kubeConfig k8s.KubeConfig) { | ||
| fmt.Println("Rendering") | ||
| // fmt.Println("kubeConfig", kubeConfig) | ||
|
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| clientset, _ := k8s.GetClientset(kubeConfig) | ||
|
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| k8s.SearchNamespaces(clientset) | ||
|
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| k8s.SearchPods(clientset, "kube-system") | ||
|
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| k8s.GetContainers(clientset, "kube-system", "kube-apiserver-kind-control-plane") | ||
| k8s.GetContainers(clientset, "kube-system", "kube-controller-manager-kind-control-plane") | ||
| k8s.GetContainers(clientset, "kube-system", "kube-scheduler-kind-control-plane") | ||
|
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| err := k8s.GetContainerLogs(clientset, "kube-system", "kube-apiserver-kind-control-plane", "kube-apiserver", os.Stdout) | ||
|
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| fmt.Println(err) | ||
|
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| // kube-apiserver-kind-control-plane | ||
| } |