118 lines
2.7 KiB
Go
118 lines
2.7 KiB
Go
package render
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import (
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"errors"
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"fmt"
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"strconv"
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"time"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/tview"
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"github.com/gdamore/tcell"
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ofaas "github.com/openfaas/faas-provider/types"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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const (
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fnStatusReady = "Ready"
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fnStatusNotReady = "Not Ready"
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)
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// OpenFaas renders an openfaas function to screen.
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type OpenFaas struct{}
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// ColorerFunc colors a resource row.
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func (o OpenFaas) ColorerFunc() ColorerFunc {
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return func(ns string, re RowEvent) tcell.Color {
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if !Happy(ns, re.Row) {
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return ErrColor
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}
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return tcell.ColorPaleTurquoise
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}
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}
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// Header returns a header row.
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func (OpenFaas) Header(ns string) HeaderRow {
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var h HeaderRow
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if client.IsAllNamespaces(ns) {
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h = append(h, Header{Name: "NAMESPACE"})
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}
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return append(h,
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Header{Name: "NAME"},
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Header{Name: "STATUS"},
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Header{Name: "IMAGE"},
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Header{Name: "LABELS"},
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Header{Name: "INVOCATIONS", Align: tview.AlignRight},
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Header{Name: "REPLICAS", Align: tview.AlignRight},
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Header{Name: "AVAILABLE", Align: tview.AlignRight},
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Header{Name: "VALID", Wide: true},
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Header{Name: "AGE", Decorator: AgeDecorator},
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)
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}
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// Render renders a chart to screen.
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func (f OpenFaas) Render(o interface{}, ns string, r *Row) error {
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fn, ok := o.(OpenFaasRes)
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if !ok {
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return fmt.Errorf("expected OpenFaasRes, but got %T", o)
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}
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var labels string
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if fn.Function.Labels != nil {
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labels = mapToStr(*fn.Function.Labels)
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}
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var status = fnStatusReady
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if fn.Function.AvailableReplicas == 0 {
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status = fnStatusNotReady
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}
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r.ID = client.FQN(fn.Function.Namespace, fn.Function.Name)
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r.Fields = make(Fields, 0, len(f.Header(ns)))
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if client.IsAllNamespaces(ns) {
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r.Fields = append(r.Fields, fn.Function.Namespace)
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}
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r.Fields = append(r.Fields,
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fn.Function.Name,
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status,
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fn.Function.Image,
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labels,
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strconv.Itoa(int(fn.Function.InvocationCount)),
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strconv.Itoa(int(fn.Function.Replicas)),
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strconv.Itoa(int(fn.Function.AvailableReplicas)),
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asStatus(f.diagnose(status)),
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toAge(metav1.Time{Time: time.Now()}),
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)
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return nil
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}
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func (OpenFaas) diagnose(status string) error {
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if status != "Ready" {
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return errors.New("function not ready")
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}
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return nil
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}
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// ----------------------------------------------------------------------------
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// Helpers...
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// OpenFaasRes represents an openfaas function resource.
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type OpenFaasRes struct {
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Function ofaas.FunctionStatus `json:"function"`
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}
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// GetObjectKind returns a schema object.
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func (OpenFaasRes) GetObjectKind() schema.ObjectKind {
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return nil
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}
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// DeepCopyObject returns a container copy.
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func (h OpenFaasRes) DeepCopyObject() runtime.Object {
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return h
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}
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