generated from cybozu-go/neco-template
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
* Implement list command Signed-off-by: Daichi Sakaue <[email protected]>
- Loading branch information
Showing
16 changed files
with
844 additions
and
135 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -17,4 +17,5 @@ | |
|
|
||
| # Generated files | ||
| /bin | ||
| /cache | ||
| /docs/book | ||
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| "github.com/cilium/cilium/pkg/client" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/rest" | ||
| ) | ||
|
|
||
| func createClients(ctx context.Context, name string) (*kubernetes.Clientset, *dynamic.DynamicClient, *client.Client, error) { | ||
| config, err := rest.InClusterConfig() | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
|
|
||
| // Create Kubernetes Clients | ||
| clientset, err := kubernetes.NewForConfig(config) | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
|
|
||
| dynamicClient, err := dynamic.NewForConfig(config) | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
|
|
||
| // Create Cilium Client | ||
| endpoint, err := getProxyEndpoint(ctx, clientset, rootOptions.namespace, name) | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
| ciliumClient, err := client.NewClient(endpoint) | ||
| if err != nil { | ||
| return nil, nil, nil, err | ||
| } | ||
|
|
||
| return clientset, dynamicClient, ciliumClient, err | ||
| } | ||
|
|
||
| func getProxyEndpoint(ctx context.Context, c *kubernetes.Clientset, namespace, name string) (string, error) { | ||
| targetPod, err := c.CoreV1().Pods(namespace).Get(ctx, name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| targetNode := targetPod.Spec.NodeName | ||
|
|
||
| pods, err := c.CoreV1().Pods("kube-system").List(ctx, metav1.ListOptions{ | ||
| FieldSelector: "spec.nodeName=" + targetNode, | ||
| LabelSelector: rootOptions.proxySelector, | ||
| }) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if num := len(pods.Items); num != 1 { | ||
| err := fmt.Errorf("failed to find cilium-agent-proxy. found %d pods", num) | ||
| return "", err | ||
| } | ||
|
|
||
| podIP := pods.Items[0].Status.PodIP | ||
| return fmt.Sprintf("http://%s:%d", podIP, rootOptions.proxyPort), nil | ||
| } | ||
|
|
||
| func getPodEndpointID(ctx context.Context, d *dynamic.DynamicClient, namespace, name string) (int64, error) { | ||
| gvr := schema.GroupVersionResource{ | ||
| Group: "cilium.io", | ||
| Version: "v2", | ||
| Resource: "ciliumendpoints", | ||
| } | ||
|
|
||
| ep, err := d.Resource(gvr).Namespace(namespace).Get(ctx, name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
|
|
||
| endpointID, found, err := unstructured.NestedInt64(ep.Object, "status", "id") | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
| if !found { | ||
| return 0, errors.New("endpoint resource is broken") | ||
| } | ||
|
|
||
| return endpointID, nil | ||
| } |
Oops, something went wrong.