115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
package resource
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import (
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"context"
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"fmt"
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"strconv"
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"github.com/derailed/k9s/internal/k8s"
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"github.com/rs/zerolog/log"
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v1beta1 "k8s.io/api/extensions/v1beta1"
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)
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// DaemonSet tracks a kubernetes resource.
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type DaemonSet struct {
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*Base
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instance *v1beta1.DaemonSet
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}
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// NewDaemonSetList returns a new resource list.
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func NewDaemonSetList(c Connection, ns string) List {
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return NewList(
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ns,
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"ds",
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NewDaemonSet(c),
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AllVerbsAccess|DescribeAccess,
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)
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}
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// NewDaemonSet instantiates a new DaemonSet.
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func NewDaemonSet(c Connection) *DaemonSet {
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ds := &DaemonSet{&Base{Connection: c, Resource: k8s.NewDaemonSet(c)}, nil}
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ds.Factory = ds
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return ds
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}
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// New builds a new DaemonSet instance from a k8s resource.
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func (r *DaemonSet) New(i interface{}) Columnar {
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c := NewDaemonSet(r.Connection)
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switch instance := i.(type) {
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case *v1beta1.DaemonSet:
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c.instance = instance
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case v1beta1.DaemonSet:
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c.instance = &instance
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default:
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log.Fatal().Msgf("unknown DaemonSet type %#v", i)
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}
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c.path = c.namespacedName(c.instance.ObjectMeta)
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return c
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}
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// Marshal resource to yaml.
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func (r *DaemonSet) Marshal(path string) (string, error) {
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ns, n := namespaced(path)
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i, err := r.Resource.Get(ns, n)
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if err != nil {
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return "", err
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}
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ds := i.(*v1beta1.DaemonSet)
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ds.TypeMeta.APIVersion = "extensions/v1beta1"
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ds.TypeMeta.Kind = "DaemonSet"
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return r.marshalObject(ds)
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}
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// Logs tail logs for all pods represented by this DaemonSet.
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func (r *DaemonSet) Logs(ctx context.Context, c chan<- string, opts LogOptions) error {
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instance, err := r.Resource.Get(opts.Namespace, opts.Name)
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if err != nil {
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return err
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}
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ds := instance.(*v1beta1.DaemonSet)
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if ds.Spec.Selector == nil || len(ds.Spec.Selector.MatchLabels) == 0 {
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return fmt.Errorf("No valid selector found on daemonset %s", opts.FQN())
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}
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return r.podLogs(ctx, c, ds.Spec.Selector.MatchLabels, opts)
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}
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// Header return resource header.
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func (*DaemonSet) Header(ns string) Row {
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hh := Row{}
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if ns == AllNamespaces {
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hh = append(hh, "NAMESPACE")
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}
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hh = append(hh, "NAME", "DESIRED", "CURRENT", "READY", "UP-TO-DATE")
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hh = append(hh, "AVAILABLE", "NODE_SELECTOR", "AGE")
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return hh
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}
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// Fields retrieves displayable fields.
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func (r *DaemonSet) Fields(ns string) Row {
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ff := make([]string, 0, len(r.Header(ns)))
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i := r.instance
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if ns == AllNamespaces {
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ff = append(ff, i.Namespace)
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}
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return append(ff,
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i.Name,
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strconv.Itoa(int(i.Status.DesiredNumberScheduled)),
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strconv.Itoa(int(i.Status.CurrentNumberScheduled)),
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strconv.Itoa(int(i.Status.NumberReady)),
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strconv.Itoa(int(i.Status.UpdatedNumberScheduled)),
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strconv.Itoa(int(i.Status.NumberAvailable)),
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mapToStr(i.Spec.Template.Spec.NodeSelector),
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toAge(i.ObjectMeta.CreationTimestamp),
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)
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}
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