112 lines
3.1 KiB
Go
112 lines
3.1 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright Authors of K9s
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package render
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/derailed/k9s/internal/client"
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"github.com/derailed/k9s/internal/model1"
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"github.com/derailed/tview"
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appsv1 "k8s.io/api/apps/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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)
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// ReplicaSet renders a K8s ReplicaSet to screen.
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type ReplicaSet struct {
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Base
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}
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// ColorerFunc colors a resource row.
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func (ReplicaSet) ColorerFunc() model1.ColorerFunc {
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return model1.DefaultColorer
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}
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// Header returns a header row.
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func (r ReplicaSet) Header(_ string) model1.Header {
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return r.doHeader(defaultRSHeader)
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}
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var defaultRSHeader = model1.Header{
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model1.HeaderColumn{Name: "NAMESPACE"},
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model1.HeaderColumn{Name: "NAME"},
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model1.HeaderColumn{Name: "VS", Attrs: model1.Attrs{VS: true}},
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model1.HeaderColumn{Name: "DESIRED", Attrs: model1.Attrs{Align: tview.AlignRight}},
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model1.HeaderColumn{Name: "CURRENT", Attrs: model1.Attrs{Align: tview.AlignRight}},
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model1.HeaderColumn{Name: "READY", Attrs: model1.Attrs{Align: tview.AlignRight}},
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model1.HeaderColumn{Name: "CONTAINERS", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "IMAGES", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "SELECTOR", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "VALID", Attrs: model1.Attrs{Wide: true}},
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model1.HeaderColumn{Name: "AGE", Attrs: model1.Attrs{Time: true}},
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}
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// Render renders a K8s resource to screen.
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func (r ReplicaSet) Render(o any, _ string, row *model1.Row) error {
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raw, ok := o.(*unstructured.Unstructured)
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if !ok {
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return fmt.Errorf("expected Unstructured, but got %T", o)
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}
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if err := r.defaultRow(raw, row); err != nil {
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return err
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}
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if r.specs.isEmpty() {
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return nil
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}
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cols, err := r.specs.realize(raw, defaultRSHeader, row)
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if err != nil {
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return err
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}
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cols.hydrateRow(row)
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return nil
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}
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func (r ReplicaSet) defaultRow(raw *unstructured.Unstructured, row *model1.Row) error {
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var rs appsv1.ReplicaSet
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err := runtime.DefaultUnstructuredConverter.FromUnstructured(raw.Object, &rs)
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if err != nil {
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return err
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}
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var (
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cc = rs.Spec.Template.Spec.Containers
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cos, imgs = make([]string, 0, len(cc)), make([]string, 0, len(cc))
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)
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for i := range cc {
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cos, imgs = append(cos, cc[i].Name), append(imgs, cc[i].Image)
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}
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row.ID = client.MetaFQN(&rs.ObjectMeta)
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row.Fields = model1.Fields{
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rs.Namespace,
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rs.Name,
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computeVulScore(rs.Namespace, rs.Labels, &rs.Spec.Template.Spec),
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strconv.Itoa(int(*rs.Spec.Replicas)),
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strconv.Itoa(int(rs.Status.Replicas)),
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strconv.Itoa(int(rs.Status.ReadyReplicas)),
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strings.Join(cos, ","),
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strings.Join(imgs, ","),
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mapToStr(rs.Labels),
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AsStatus(r.diagnose(&rs)),
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ToAge(rs.GetCreationTimestamp()),
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}
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return nil
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}
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func (ReplicaSet) diagnose(rs *appsv1.ReplicaSet) error {
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if rs.Status.Replicas != rs.Status.ReadyReplicas {
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if rs.Status.Replicas == 0 {
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return fmt.Errorf("did not phase down correctly expecting 0 replicas but got %d", rs.Status.ReadyReplicas)
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}
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return fmt.Errorf("mismatch desired(%d) vs ready(%d)", rs.Status.Replicas, rs.Status.ReadyReplicas)
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}
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return nil
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}
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