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@ -18,6 +18,7 @@ package kube // import "k8s.io/helm/pkg/kube"
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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@ -43,28 +44,26 @@ import (
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/strategicpatch"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/cli-runtime/pkg/genericclioptions"
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"k8s.io/cli-runtime/pkg/genericclioptions/resource"
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"k8s.io/client-go/kubernetes"
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watchtools "k8s.io/client-go/tools/watch"
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"k8s.io/kubernetes/pkg/api/legacyscheme"
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batchinternal "k8s.io/kubernetes/pkg/apis/batch"
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"k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/kubectl/cmd/get"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
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"k8s.io/kubernetes/pkg/kubectl/genericclioptions/resource"
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"k8s.io/kubernetes/pkg/kubectl/validation"
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)
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const (
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// MissingGetHeader is added to Get's output when a resource is not found.
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MissingGetHeader = "==> MISSING\nKIND\t\tNAME\n"
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)
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// MissingGetHeader is added to Get's output when a resource is not found.
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const MissingGetHeader = "==> MISSING\nKIND\t\tNAME\n"
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// ErrNoObjectsVisited indicates that during a visit operation, no matching objects were found.
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var ErrNoObjectsVisited = goerrors.New("no objects visited")
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// Client represents a client capable of communicating with the Kubernetes API.
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type Client struct {
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cmdutil.Factory
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Log func(string, ...interface{})
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Factory Factory
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Log func(string, ...interface{})
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}
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// New creates a new Client.
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@ -78,6 +77,10 @@ func New(getter genericclioptions.RESTClientGetter) *Client {
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}
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}
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func (c *Client) KubernetesClientSet() (*kubernetes.Clientset, error) {
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return c.Factory.KubernetesClientSet()
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}
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var nopLogger = func(_ string, _ ...interface{}) {}
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// ResourceActorFunc performs an action on a single resource.
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@ -103,27 +106,24 @@ func (c *Client) Create(namespace string, reader io.Reader, timeout int64, shoul
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}
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func (c *Client) namespace() string {
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if ns, _, err := c.ToRawKubeConfigLoader().Namespace(); err == nil {
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if ns, _, err := c.Factory.ToRawKubeConfigLoader().Namespace(); err == nil {
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return ns
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}
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return v1.NamespaceDefault
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}
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func (c *Client) newBuilder(namespace string, reader io.Reader) *resource.Result {
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return c.NewBuilder().
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// newBuilder returns a new resource builder for structured api objects.
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func (c *Client) newBuilder() *resource.Builder {
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return c.Factory.NewBuilder().
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ContinueOnError().
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WithScheme(legacyscheme.Scheme).
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Schema(c.validator()).
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NamespaceParam(c.namespace()).
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DefaultNamespace().
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RequireNamespace().
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Stream(reader, "").
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Flatten().
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Do()
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Flatten()
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}
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func (c *Client) validator() validation.Schema {
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schema, err := c.Validator(true)
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func (c *Client) validator() resource.ContentValidator {
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schema, err := c.Factory.Validator(true)
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if err != nil {
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c.Log("warning: failed to load schema: %s", err)
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}
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@ -134,14 +134,9 @@ func (c *Client) validator() validation.Schema {
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func (c *Client) BuildUnstructured(namespace string, reader io.Reader) (Result, error) {
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var result Result
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result, err := c.NewBuilder().
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result, err := c.newBuilder().
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Unstructured().
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ContinueOnError().
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NamespaceParam(c.namespace()).
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DefaultNamespace().
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RequireNamespace().
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Stream(reader, "").
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Flatten().
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Do().Infos()
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return result, scrubValidationError(err)
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}
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@ -149,7 +144,12 @@ func (c *Client) BuildUnstructured(namespace string, reader io.Reader) (Result,
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// Build validates for Kubernetes objects and returns resource Infos from a io.Reader.
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func (c *Client) Build(namespace string, reader io.Reader) (Result, error) {
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var result Result
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result, err := c.newBuilder(namespace, reader).Infos()
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result, err := c.newBuilder().
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WithScheme(legacyscheme.Scheme).
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Schema(c.validator()).
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Stream(reader, "").
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Do().
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Infos()
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return result, scrubValidationError(err)
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}
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@ -165,7 +165,7 @@ func (c *Client) Get(namespace string, reader io.Reader) (string, error) {
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return "", err
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}
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var objPods = make(map[string][]core.Pod)
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var objPods = make(map[string][]v1.Pod)
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missing := []string{}
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err = perform(infos, func(info *resource.Info) error {
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@ -369,7 +369,7 @@ func perform(infos Result, fn ResourceActorFunc) error {
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}
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func createResource(info *resource.Info) error {
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obj, err := resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, true, info.Object)
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obj, err := resource.NewHelper(info.Client, info.Mapping).Create(info.Namespace, true, info.Object, nil)
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if err != nil {
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return err
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}
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@ -439,7 +439,7 @@ func updateResource(c *Client, target *resource.Info, currentObj runtime.Object,
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// send patch to server
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helper := resource.NewHelper(target.Client, target.Mapping)
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obj, err := helper.Patch(target.Namespace, target.Name, patchType, patch)
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obj, err := helper.Patch(target.Namespace, target.Name, patchType, patch, nil)
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if err != nil {
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kind := target.Mapping.GroupVersionKind.Kind
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log.Printf("Cannot patch %s: %q (%v)", kind, target.Name, err)
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@ -480,12 +480,12 @@ func updateResource(c *Client, target *resource.Info, currentObj runtime.Object,
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return nil
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}
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client, err := c.ClientSet()
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client, err := c.KubernetesClientSet()
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if err != nil {
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return err
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}
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pods, err := client.Core().Pods(target.Namespace).List(metav1.ListOptions{
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pods, err := client.CoreV1().Pods(target.Namespace).List(metav1.ListOptions{
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FieldSelector: fields.Everything().String(),
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LabelSelector: labels.Set(selector).AsSelector().String(),
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})
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@ -498,7 +498,7 @@ func updateResource(c *Client, target *resource.Info, currentObj runtime.Object,
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c.Log("Restarting pod: %v/%v", pod.Namespace, pod.Name)
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// Delete each pod for get them restarted with changed spec.
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if err := client.Core().Pods(pod.Namespace).Delete(pod.Name, metav1.NewPreconditionDeleteOptions(string(pod.UID))); err != nil {
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if err := client.CoreV1().Pods(pod.Namespace).Delete(pod.Name, metav1.NewPreconditionDeleteOptions(string(pod.UID))); err != nil {
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return err
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}
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}
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@ -562,7 +562,9 @@ func (c *Client) watchUntilReady(timeout time.Duration, info *resource.Info) err
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// In the future, we might want to add some special logic for types
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// like Ingress, Volume, etc.
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_, err = watch.Until(timeout, w, func(e watch.Event) (bool, error) {
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ctx, cancel := watchtools.ContextWithOptionalTimeout(context.Background(), timeout)
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defer cancel()
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_, err = watchtools.UntilWithoutRetry(ctx, w, func(e watch.Event) (bool, error) {
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switch e.Type {
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case watch.Added, watch.Modified:
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// For things like a secret or a config map, this is the best indicator
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@ -598,9 +600,9 @@ func (c *Client) waitForJob(e watch.Event, name string) (bool, error) {
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}
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for _, c := range o.Status.Conditions {
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if c.Type == batchinternal.JobComplete && c.Status == core.ConditionTrue {
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if c.Type == batchinternal.JobComplete && c.Status == "True" {
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return true, nil
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} else if c.Type == batchinternal.JobFailed && c.Status == core.ConditionTrue {
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} else if c.Type == batchinternal.JobFailed && c.Status == "True" {
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return true, goerrors.Errorf("job failed: %s", c.Reason)
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}
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}
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@ -624,26 +626,26 @@ func scrubValidationError(err error) error {
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// WaitAndGetCompletedPodPhase waits up to a timeout until a pod enters a completed phase
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// and returns said phase (PodSucceeded or PodFailed qualify).
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func (c *Client) WaitAndGetCompletedPodPhase(namespace string, reader io.Reader, timeout time.Duration) (core.PodPhase, error) {
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func (c *Client) WaitAndGetCompletedPodPhase(namespace string, reader io.Reader, timeout time.Duration) (v1.PodPhase, error) {
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infos, err := c.Build(namespace, reader)
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if err != nil {
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return core.PodUnknown, err
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return v1.PodUnknown, err
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}
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info := infos[0]
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kind := info.Mapping.GroupVersionKind.Kind
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if kind != "Pod" {
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return core.PodUnknown, goerrors.Errorf("%s is not a Pod", info.Name)
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return v1.PodUnknown, goerrors.Errorf("%s is not a Pod", info.Name)
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}
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if err := c.watchPodUntilComplete(timeout, info); err != nil {
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return core.PodUnknown, err
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return v1.PodUnknown, err
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}
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if err := info.Get(); err != nil {
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return core.PodUnknown, err
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return v1.PodUnknown, err
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}
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status := info.Object.(*core.Pod).Status.Phase
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status := info.Object.(*v1.Pod).Status.Phase
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return status, nil
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}
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@ -655,15 +657,17 @@ func (c *Client) watchPodUntilComplete(timeout time.Duration, info *resource.Inf
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}
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c.Log("Watching pod %s for completion with timeout of %v", info.Name, timeout)
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_, err = watch.Until(timeout, w, func(e watch.Event) (bool, error) {
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ctx, cancel := watchtools.ContextWithOptionalTimeout(context.Background(), timeout)
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defer cancel()
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_, err = watchtools.UntilWithoutRetry(ctx, w, func(e watch.Event) (bool, error) {
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switch e.Type {
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case watch.Deleted:
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return false, errors.NewNotFound(schema.GroupResource{Resource: "pods"}, "")
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}
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switch t := e.Object.(type) {
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case *core.Pod:
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case *v1.Pod:
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switch t.Status.Phase {
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case core.PodFailed, core.PodSucceeded:
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case v1.PodFailed, v1.PodSucceeded:
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return true, nil
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}
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}
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@ -675,7 +679,7 @@ func (c *Client) watchPodUntilComplete(timeout time.Duration, info *resource.Inf
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//get a kubernetes resources' relation pods
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// kubernetes resource used select labels to relate pods
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func (c *Client) getSelectRelationPod(info *resource.Info, objPods map[string][]core.Pod) (map[string][]core.Pod, error) {
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func (c *Client) getSelectRelationPod(info *resource.Info, objPods map[string][]v1.Pod) (map[string][]v1.Pod, error) {
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if info == nil {
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return objPods, nil
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}
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@ -695,9 +699,9 @@ func (c *Client) getSelectRelationPod(info *resource.Info, objPods map[string][]
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return objPods, nil
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}
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client, _ := c.ClientSet()
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client, _ := c.KubernetesClientSet()
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pods, err := client.Core().Pods(info.Namespace).List(metav1.ListOptions{
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pods, err := client.CoreV1().Pods(info.Namespace).List(metav1.ListOptions{
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FieldSelector: fields.Everything().String(),
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LabelSelector: labels.Set(selector).AsSelector().String(),
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})
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@ -722,7 +726,7 @@ func (c *Client) getSelectRelationPod(info *resource.Info, objPods map[string][]
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return objPods, nil
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}
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func isFoundPod(podItem []core.Pod, pod core.Pod) bool {
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func isFoundPod(podItem []v1.Pod, pod v1.Pod) bool {
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for _, value := range podItem {
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if (value.Namespace == pod.Namespace) && (value.Name == pod.Name) {
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return true
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@ -730,7 +734,3 @@ func isFoundPod(podItem []core.Pod, pod core.Pod) bool {
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}
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return false
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}
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func asVersioned(info *resource.Info) runtime.Object {
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return cmdutil.AsDefaultVersionedOrOriginal(info.Object, info.Mapping)
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}
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Adam Reese
6 years ago