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Add a dashboard for pipelines (#213)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,239 @@ | ||
| package pipeline | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/gdamore/tcell/v2" | ||
| "github.com/kubesphere-sigs/ks/kubectl-plugin/common" | ||
| "github.com/kubesphere-sigs/ks/kubectl-plugin/types" | ||
| "github.com/rivo/tview" | ||
| "github.com/spf13/cobra" | ||
| v1 "k8s.io/api/apps/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/rest" | ||
| ) | ||
|
|
||
| type dashboardOption struct { | ||
| client dynamic.Interface | ||
| clientset *kubernetes.Clientset | ||
| restClient *rest.RESTClient | ||
|
|
||
| namespace string | ||
| pipeline string | ||
|
|
||
| header *tview.TextView | ||
| footer *tview.Table | ||
| app *tview.Application | ||
| pipelineListView *tview.Table | ||
| } | ||
|
|
||
| func newDashboardCmd() (cmd *cobra.Command) { | ||
| opt := &dashboardOption{} | ||
| cmd = &cobra.Command{ | ||
| Use: "dashboard", | ||
| Aliases: []string{"dash"}, | ||
| RunE: opt.runE, | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func (o *dashboardOption) runE(cmd *cobra.Command, args []string) (err error) { | ||
| o.app = tview.NewApplication() | ||
| o.client = common.GetDynamicClient(cmd.Root().Context()) | ||
| o.clientset = common.GetClientset(cmd.Root().Context()) | ||
| o.restClient = common.GetRestClient(cmd.Root().Context()) | ||
|
|
||
| newPrimitive := func(text string) *tview.TextView { | ||
| return tview.NewTextView(). | ||
| SetTextAlign(tview.AlignCenter). | ||
| SetText(text) | ||
| } | ||
|
|
||
| grid := tview.NewGrid() | ||
| grid.SetRows(3, 0, 3) | ||
| grid.SetColumns(30, 0, 30) | ||
| grid.SetBorder(true) | ||
| o.header = newPrimitive("header") | ||
| o.footer = tview.NewTable() | ||
| grid.AddItem(o.header, 0, 0, 1, 3, 0, 0, false) | ||
| grid.AddItem(o.footer, 2, 0, 1, 3, 0, 0, false) | ||
| grid.AddItem(o.createNamespaceList(), 1, 0, 1, 1, 0, 100, true) | ||
| grid.AddItem(o.createPipelineList(), 1, 1, 1, 2, 0, 100, false) | ||
| go func() { | ||
| o.getComponentsInfo() | ||
| }() | ||
| if err = o.app.SetRoot(grid, true).Run(); err != nil { | ||
| panic(err) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func (o *dashboardOption) getComponentsInfo() { | ||
| // TODO consider reading the namespace from somewhere | ||
| if watchEvent, err := o.clientset.AppsV1().Deployments("kubesphere-devops-system").Watch(context.TODO(), metav1.ListOptions{ | ||
| LabelSelector: "app.kubernetes.io/instance=devops", | ||
| }); err == nil { | ||
| for event := range watchEvent.ResultChan() { | ||
| deploy := event.Object.(*v1.Deployment) | ||
| updateTable(o.footer, deploy.Name, deploy.Name, | ||
| fmt.Sprintf("%d/%d", deploy.Status.ReadyReplicas, deploy.Status.Replicas), deploy.Spec.Template.Spec.Containers[0].Image) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func updateTable(table *tview.Table, name string, values ...string) { | ||
| rowCount := table.GetRowCount() | ||
| found := false | ||
| for i := 0; i < rowCount; i++ { | ||
| cell := table.GetCell(i, 0) | ||
| if cell.Text == name { | ||
| for j, val := range values { | ||
| table.SetCellSimple(i, j, val) | ||
| } | ||
| found = true | ||
| break | ||
| } | ||
| } | ||
|
|
||
| if !found { | ||
| rowCount++ | ||
| for j, val := range values { | ||
| table.SetCellSimple(rowCount, j, val) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (o *dashboardOption) createPipelineList() (listView tview.Primitive) { | ||
| table := tview.NewTable() | ||
| table.SetBorder(true).SetTitle("pipelines") | ||
| table.SetSelectable(true, false).Select(1, 0).SetFixed(1, 0) | ||
| table.SetBorderPadding(0, 0, 1, 1) | ||
| o.pipelineListView = table | ||
| listView = table | ||
| table.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey { | ||
| o.header.Clear() | ||
| o.header.SetText("(r) Run a Pipeline, (v) List the PipelineRuns") | ||
| switch key := event.Rune(); key { | ||
| case 'v': | ||
| o.listPipelineRuns(0, o.namespace, "", 0) | ||
| case 'r': | ||
| run := &pipelineRunOpt{ | ||
| client: o.client, | ||
| } | ||
| row, col := table.GetSelection() | ||
| cell := table.GetCell(row, col) | ||
| pipeline := cell.Text | ||
| _ = run.triggerPipeline(o.namespace, pipeline, nil) | ||
| o.listPipelineRuns(0, o.namespace, "", 0) | ||
| } | ||
| if event.Key() == tcell.KeyESC { | ||
| o.listPipelines(0, o.namespace, "", 0) | ||
| } | ||
| return event | ||
| }) | ||
| return | ||
| } | ||
|
|
||
| func (o *dashboardOption) listPipelineRuns(index int, mainText string, secondaryText string, shortcut rune) { | ||
| o.pipelineListView.Clear() | ||
| o.pipelineListView.SetTitle("PipelineRuns") | ||
| _ = o.getTable(mainText, "pipelineruns", o.pipelineListView) | ||
| } | ||
|
|
||
| func (o *dashboardOption) getTable(ns, kind string, table *tview.Table) (err error) { | ||
| tableData := &metav1beta1.Table{} | ||
| table.Clear() | ||
| table.SetTitle(fmt.Sprintf("%s(%s)[%d]", kind, ns, 0)) | ||
| listOpt := &metav1.ListOptions{} | ||
| if kind == "pipelineruns" { | ||
| listOpt.LabelSelector = fmt.Sprintf("devops.kubesphere.io/pipeline=%s", o.pipeline) | ||
| } | ||
|
|
||
| if err = o.restClient.Get().Namespace(ns).Resource(kind). | ||
| VersionedParams(listOpt, metav1.ParameterCodec). | ||
| SetHeader("Accept", "application/json;as=Table;v=v1beta1;g=meta.k8s.io"). | ||
| Do(context.TODO()).Into(tableData); err == nil { | ||
| for i, col := range tableData.ColumnDefinitions { | ||
| table.SetCellSimple(0, i, col.Name) | ||
| } | ||
| for i, row := range tableData.Rows { | ||
| for j, cell := range row.Cells { | ||
| table.SetCellSimple(i+1, j, fmt.Sprintf("%v", cell)) | ||
| } | ||
| } | ||
| table.SetTitle(fmt.Sprintf("%s(%s)[%d]", kind, ns, len(tableData.Rows))) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func (o *dashboardOption) listPipelines(index int, mainText string, secondaryText string, shortcut rune) { | ||
| o.pipelineListView.Clear() | ||
| o.namespace = mainText | ||
| o.pipelineListView.SetTitle("Pipelines") | ||
| _ = o.getTable(mainText, "pipelines", o.pipelineListView) | ||
| o.pipelineListView.SetSelectionChangedFunc(func(row, column int) { | ||
| if row == 0 { | ||
| o.pipelineListView.Select(1, 0) | ||
| } | ||
| cell := o.pipelineListView.GetCell(row, column) | ||
| o.pipeline = cell.Text | ||
| }) | ||
| } | ||
|
|
||
| func (o *dashboardOption) createNamespaceList() (listView tview.Primitive) { | ||
| list := tview.NewList() | ||
| list.SetBorder(true).SetTitle("namespaces") | ||
| go func() { | ||
| if watchEvent, err := o.client.Resource(types.GetNamespaceSchema()).Watch(context.TODO(), metav1.ListOptions{ | ||
| LabelSelector: "kubesphere.io/devopsproject", | ||
| }); err == nil { | ||
| for event := range watchEvent.ResultChan() { | ||
| switch event.Type { | ||
| case watch.Added: | ||
| unss := event.Object.(*unstructured.Unstructured) | ||
| ss := &corev1.Namespace{} | ||
| if err := runtime.DefaultUnstructuredConverter.FromUnstructured(unss.Object, ss); err == nil { | ||
| list.AddItem(ss.Name, "", 0, nil) | ||
| } | ||
| case watch.Deleted: | ||
| for i := 0; i < list.GetItemCount(); i++ { | ||
| name, _ := list.GetItemText(i) | ||
| unss := event.Object.(*unstructured.Unstructured) | ||
| ss := &corev1.Namespace{} | ||
| if err := runtime.DefaultUnstructuredConverter.FromUnstructured(unss.Object, ss); err == nil { | ||
| if name == ss.Name { | ||
| list.RemoveItem(i) | ||
| break | ||
| } | ||
| } | ||
| } | ||
| } | ||
| o.app.Draw() | ||
| } | ||
| } | ||
| }() | ||
| list.SetChangedFunc(o.listPipelines) | ||
| o.app.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey { | ||
| switch key := event.Rune(); key { | ||
| case 'j': | ||
| event = tcell.NewEventKey(tcell.KeyDown, key, tcell.ModNone) | ||
| case 'k': | ||
| event = tcell.NewEventKey(tcell.KeyUp, key, tcell.ModNone) | ||
| case 'l': | ||
| o.app.SetFocus(o.pipelineListView) | ||
| case 'h': | ||
| o.app.SetFocus(list) | ||
| } | ||
| return event | ||
| }) | ||
| o.app.SetFocus(list) | ||
| listView = list | ||
| return | ||
| } |
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