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Signed-off-by: Daichi Sakaue <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| 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" | ||
| ) | ||
|
|
||
| var dumpOptions struct { | ||
| namespace string | ||
| } | ||
|
|
||
| func init() { | ||
| dumpCmd.Flags().StringVarP(&dumpOptions.namespace, "namespace", "n", "", "namespace of a pod") | ||
| rootCmd.AddCommand(dumpCmd) | ||
| } | ||
|
|
||
| var dumpCmd = &cobra.Command{ | ||
| Use: "dump", | ||
| Short: "dump endpoint status", | ||
| Long: `Dump endpoint status`, | ||
|
|
||
| Args: cobra.ExactArgs(1), | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| return runDump(context.Background(), args[0]) | ||
| }, | ||
| } | ||
|
|
||
| func runDump(ctx context.Context, name string) error { | ||
| config, err := rest.InClusterConfig() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| clientset, _ := kubernetes.NewForConfig(config) | ||
| pod, err := clientset.CoreV1().Pods(dumpOptions.namespace).Get(ctx, name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| node := pod.Spec.NodeName | ||
| proxy, err := clientset.CoreV1().Pods("kube-system").List(ctx, metav1.ListOptions{ | ||
| FieldSelector: "spec.nodeName=" + node, | ||
| LabelSelector: "app.kubernetes.io/name=cilium-agent-proxy", | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if len(proxy.Items) != 1 { | ||
| return errors.New("proxy not found") | ||
| } | ||
| proxyIP := proxy.Items[0].Status.PodIP | ||
|
|
||
| client, err := dynamic.NewForConfig(config) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| gvr := schema.GroupVersionResource{ | ||
| Group: "cilium.io", | ||
| Version: "v2", | ||
| Resource: "ciliumendpoints", | ||
| } | ||
| obj, err := client.Resource(gvr).Namespace(dumpOptions.namespace).Get(ctx, name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| endpointID, found, err := unstructured.NestedInt64(obj.Object, "status", "id") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if !found { | ||
| return errors.New("endpoint not found") | ||
| } | ||
|
|
||
| url := fmt.Sprintf("http://%s:8080/v1/endpoint/%d", proxyIP, endpointID) | ||
| resp, err := http.Get(url) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer resp.Body.Close() | ||
| data, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Println(string(data)) | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| var rootCmd = &cobra.Command{} | ||
|
|
||
| func Execute() { | ||
| if err := rootCmd.Execute(); err != nil { | ||
| fmt.Println(err) | ||
| os.Exit(1) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| CILIUM_VERSION := 1.15.3 | ||
|
|
||
| BIN_DIR := $(shell pwd)/../bin | ||
| TOOLS_DIR := $(BIN_DIR)/download | ||
| CILIUM_POLICY := $(BIN_DIR)/cilium-policy | ||
| HELM := $(TOOLS_DIR)/helm | ||
| KIND := $(TOOLS_DIR)/kind | ||
| KUBECTL := $(TOOLS_DIR)/kubectl | ||
| KUSTOMIZE := $(TOOLS_DIR)/kustomize | ||
|
|
||
| ##@ Basic | ||
|
|
||
| .PHONY: help | ||
| help: ## Display this help | ||
| @awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf " \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST) | ||
|
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| ##@ Test | ||
|
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| .PHONY: start | ||
| start: | ||
| docker pull quay.io/cilium/cilium:v$(CILIUM_VERSION) | ||
| $(KIND) create cluster --config cluster.yaml | ||
| $(KIND) load docker-image quay.io/cilium/cilium:v$(CILIUM_VERSION) | ||
| $(HELM) install cilium cilium/cilium --version $(CILIUM_VERSION) \ | ||
| --namespace kube-system \ | ||
| --set image.pullPolicy=IfNotPresent \ | ||
| --set ipam.mode=kubernetes | ||
| $(KUSTOMIZE) build . | $(KUBECTL) apply -f - | ||
| $(KUBECTL) wait --for=condition=Available --all deployments --all-namespaces --timeout=1h | ||
| $(KUBECTL) wait --for=condition=Ready --all pods --all-namespaces --timeout=1h | ||
|
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| .PHONY: install | ||
| install: | ||
| $(MAKE) -C ../ build | ||
| PODNAME=$$($(KUBECTL) get po -l app=ubuntu -o name | cut -d'/' -f2); \ | ||
| $(KUBECTL) cp $(CILIUM_POLICY) $${PODNAME}:/tmp/; \ | ||
| $(KUBECTL) exec $${PODNAME} -- chmod +x /tmp/cilium-policy | ||
|
|
||
| .PHONY: stop | ||
| stop: | ||
| $(KIND) delete cluster |
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