81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
package dao
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import (
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"context"
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"errors"
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"fmt"
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"github.com/rs/zerolog/log"
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appsv1 "k8s.io/api/apps/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/kubectl/pkg/polymorphichelpers"
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)
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type Deployment struct {
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Resource
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}
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var _ Accessor = &Deployment{}
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var _ Loggable = &Deployment{}
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var _ Restartable = &Deployment{}
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var _ Scalable = &Deployment{}
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// Scale a Deployment.
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func (d *Deployment) Scale(ns, n string, replicas int32) error {
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scale, err := d.Client().DialOrDie().AppsV1().Deployments(ns).GetScale(n, metav1.GetOptions{})
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if err != nil {
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return err
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}
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scale.Spec.Replicas = replicas
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_, err = d.Client().DialOrDie().AppsV1().Deployments(ns).UpdateScale(n, scale)
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return err
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}
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// Restart a Deployment rollout.
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func (d *Deployment) Restart(ns, n string) error {
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o, err := d.Get(ns, string(d.gvr), n, labels.Everything())
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if err != nil {
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return err
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}
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var ds appsv1.Deployment
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err = runtime.DefaultUnstructuredConverter.FromUnstructured(o.(*unstructured.Unstructured).Object, &ds)
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if err != nil {
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return err
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}
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update, err := polymorphichelpers.ObjectRestarterFn(&ds)
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if err != nil {
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return err
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}
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_, err = d.Client().DialOrDie().AppsV1().Deployments(ns).Patch(ds.Name, types.StrategicMergePatchType, update)
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return err
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}
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// Logs tail logs for all pods represented by this Deployment.
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func (d *Deployment) TailLogs(ctx context.Context, c chan<- string, opts LogOptions) error {
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log.Debug().Msgf("Tailing Deployment %q -- %q", opts.Namespace, opts.Name)
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o, err := d.Get(opts.Namespace, string(d.gvr), opts.Name, labels.Everything())
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if err != nil {
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return err
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}
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var dp appsv1.Deployment
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err = runtime.DefaultUnstructuredConverter.FromUnstructured(o.(*unstructured.Unstructured).Object, &dp)
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if err != nil {
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return errors.New("expecting Deployment resource")
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}
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if dp.Spec.Selector == nil || len(dp.Spec.Selector.MatchLabels) == 0 {
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return fmt.Errorf("No valid selector found on Deployment %s", opts.FQN())
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}
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return podLogs(ctx, c, dp.Spec.Selector.MatchLabels, opts)
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}
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