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Add a test that deploys the example manifest to a kind cluster and checks if any of the configured labels are attachted to the k8s node.
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,13 @@ | ||
| name: test | ||
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| on: | ||
| pull_request: | ||
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| jobs: | ||
| build: | ||
| runs-on: ubuntu-latest | ||
| steps: | ||
| - name: Checkout | ||
| uses: actions/checkout@v4 | ||
| - run: docker build -t "nudle:e2e" . | ||
| - run: go test . |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package main | ||
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| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "os/exec" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
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| "github.com/efficientgo/core/backoff" | ||
| "github.com/efficientgo/e2e" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
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| const imageName = "nudl:e2e" | ||
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| func kubectl(e *e2e.KindEnvironment, args ...string) *exec.Cmd { | ||
| return exec.Command("kubectl", append([]string{"--kubeconfig", fmt.Sprintf("%s/kubeconfig", e.SharedDir())}, args...)...) | ||
| } | ||
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| func kubectlRun(t *testing.T, e *e2e.KindEnvironment, args ...string) { | ||
| cmd := kubectl(e, args...) | ||
| w := &bytes.Buffer{} | ||
| cmd.Stderr = w | ||
| cmd.Stdout = w | ||
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| require.NoError(t, cmd.Run(), w.String()) | ||
| } | ||
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| func TestMain(t *testing.T) { | ||
| e, err := e2e.NewKindEnvironment() | ||
| require.NoError(t, err) | ||
| t.Cleanup(e.Close) | ||
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| runnableBuilder := e.Runnable(strings.ToLower(t.Name())) | ||
| runnable := runnableBuilder.Init(e2e.StartOptions{ | ||
| Image: imageName, | ||
| }) | ||
| _ = runnable.Start() // lazy hack to get image loaded into the cluster | ||
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| kubectlRun(t, e, "apply", "-f", "example.yaml") | ||
| ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) | ||
| t.Cleanup(cancel) | ||
| bo := backoff.New(ctx, backoff.Config{}) | ||
| for { | ||
| var err error | ||
| if bo.Wait(); bo.Ongoing() { | ||
| cmd := kubectl(e, "wait", "pod", "--for", "condition=Ready", "--selector", "app.kubernetes.io/name=nudl") | ||
| if err = cmd.Run(); err == nil { | ||
| break | ||
| } | ||
| } else { | ||
| require.NoError(t, err, "timeout waiting for daemonset") | ||
| break | ||
| } | ||
| } | ||
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| { | ||
| ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) | ||
| t.Cleanup(cancel) | ||
| bo := backoff.New(ctx, backoff.Config{}) | ||
| found := false | ||
| for { | ||
| if bo.Wait(); bo.Ongoing() { | ||
| cmd := exec.Command("kubectl", "--kubeconfig", fmt.Sprintf("%s/kubeconfig", e.SharedDir()), "get", "nodes", fmt.Sprintf("%s-control-plane", e.Name()), "-o", "jsonpath={.metadata.labels}") | ||
| w := &bytes.Buffer{} | ||
| cmd.Stderr = w | ||
| cmd.Stdout = w | ||
| require.NoError(t, cmd.Run(), w.String()) | ||
| labels := map[string]string{} | ||
| t.Logf("buffer %s\n", w.String()) | ||
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| require.NoError(t, json.NewDecoder(w).Decode(&labels), w.String()) | ||
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| for key, value := range labels { | ||
| if strings.HasPrefix(key, "nudl.squat.ai") { | ||
| found = true | ||
| t.Logf("found label %s=%s\n", key, value) | ||
| break | ||
| } | ||
| } | ||
| } else { | ||
| break | ||
| } | ||
| } | ||
| assert.True(t, found, "no label found") | ||
| require.NoError(t, err, "timeout waiting for daemonset") | ||
| } | ||
| } |