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Wait for kube api during init (#440)

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* kubernetes: wait for KubeAPI to be reachable
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3u13r 2022-11-04 12:36:26 +01:00 • committed by GitHub
parent b89fae8062
commit 9ad377284d
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9 changed files with 190 additions and 10 deletions
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1
bootstrapper/internal/kubernetes/k8sapi/k8sutil.go
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@ -55,6 +55,7 @@ type Client interface {
AddTolerationsToDeployment(ctx context.Context, tolerations []corev1.Toleration, name string, namespace string) error
AddNodeSelectorsToDeployment(ctx context.Context, selectors map[string]string, name string, namespace string) error
WaitForCRDs(ctx context.Context, crds []string) error
ListAllNamespaces(ctx context.Context) (*corev1.NamespaceList, error)
}
type installer interface {

5
bootstrapper/internal/kubernetes/k8sapi/kubectl/client/client.go
View file

@ -116,6 +116,11 @@ func (c *Client) CreateConfigMap(ctx context.Context, configMap corev1.ConfigMap
return nil
}
// ListAllNamespaces returns a list of all namespaces.
func (c *Client) ListAllNamespaces(ctx context.Context) (*corev1.NamespaceList, error) {
return c.clientset.CoreV1().Namespaces().List(ctx, metav1.ListOptions{})
}
func (c *Client) AddTolerationsToDeployment(ctx context.Context, tolerations []corev1.Toleration, name string, namespace string) error {
deployments := c.clientset.AppsV1().Deployments(namespace)

12
bootstrapper/internal/kubernetes/k8sapi/kubectl/kubectl.go
View file

@ -30,6 +30,7 @@ type Client interface {
AddNodeSelectorsToDeployment(ctx context.Context, selectors map[string]string, name string, namespace string) error
// WaitForCRD waits for the given CRD to be established.
WaitForCRD(ctx context.Context, crd string) error
ListAllNamespaces(ctx context.Context) (*corev1.NamespaceList, error)
}
// clientGenerator can generate new clients from a kubeconfig.
@ -86,12 +87,17 @@ func (k *Kubectl) CreateConfigMap(ctx context.Context, configMap corev1.ConfigMa
return err
}
err = client.CreateConfigMap(ctx, configMap)
return client.CreateConfigMap(ctx, configMap)
}
// ListAllNamespaces returns all namespaces in the cluster.
func (k *Kubectl) ListAllNamespaces(ctx context.Context) (*corev1.NamespaceList, error) {
client, err := k.clientGenerator.NewClient(k.kubeconfig)
if err != nil {
return err
return nil, err
}
return nil
return client.ListAllNamespaces(ctx)
}
func (k *Kubectl) AddTolerationsToDeployment(ctx context.Context, tolerations []corev1.Toleration, name string, namespace string) error {

6
bootstrapper/internal/kubernetes/k8sapi/kubectl/kubectl_test.go
View file

@ -30,6 +30,8 @@ type stubClient struct {
addTolerationsToDeploymentErr error
addNodeSelectorToDeploymentErr error
waitForCRDErr error
listAllNamespacesResp *corev1.NamespaceList
listAllNamespacesErr error
}
func (s *stubClient) ApplyOneObject(info *resource.Info, forceConflicts bool) error {
@ -52,6 +54,10 @@ func (s *stubClient) AddNodeSelectorsToDeployment(ctx context.Context, selectors
return s.addNodeSelectorToDeploymentErr
}
func (s *stubClient) ListAllNamespaces(ctx context.Context) (*corev1.NamespaceList, error) {
return s.listAllNamespacesResp, s.listAllNamespacesErr
}
type stubClientGenerator struct {
applyOneObjectErr error
getObjectsInfos []*resource.Info