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Add a dashboard for pipelines (#213)
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Original file line number | Diff line number | Diff line change |
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package pipeline | ||
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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" | ||
) | ||
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type dashboardOption struct { | ||
client dynamic.Interface | ||
clientset *kubernetes.Clientset | ||
restClient *rest.RESTClient | ||
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namespace string | ||
pipeline string | ||
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header *tview.TextView | ||
footer *tview.Table | ||
app *tview.Application | ||
pipelineListView *tview.Table | ||
} | ||
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func newDashboardCmd() (cmd *cobra.Command) { | ||
opt := &dashboardOption{} | ||
cmd = &cobra.Command{ | ||
Use: "dashboard", | ||
Aliases: []string{"dash"}, | ||
RunE: opt.runE, | ||
} | ||
return | ||
} | ||
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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()) | ||
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newPrimitive := func(text string) *tview.TextView { | ||
return tview.NewTextView(). | ||
SetTextAlign(tview.AlignCenter). | ||
SetText(text) | ||
} | ||
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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 | ||
} | ||
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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) | ||
} | ||
} | ||
} | ||
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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 | ||
} | ||
} | ||
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if !found { | ||
rowCount++ | ||
for j, val := range values { | ||
table.SetCellSimple(rowCount, j, val) | ||
} | ||
} | ||
} | ||
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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 | ||
} | ||
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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) | ||
} | ||
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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) | ||
} | ||
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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 | ||
} | ||
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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 | ||
}) | ||
} | ||
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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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