521 lines
19 KiB
Go
521 lines
19 KiB
Go
package service
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import (
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"encoding/json"
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"encoding/pem"
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"errors"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"time"
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)
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type roundTripFunc func(*http.Request) (*http.Response, error)
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func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
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return f(req)
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}
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func TestInClusterKubeClientMissingEnv(t *testing.T) {
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t.Setenv("KUBERNETES_SERVICE_HOST", "")
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t.Setenv("KUBERNETES_SERVICE_PORT", "")
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if _, err := inClusterKubeClient(); err == nil {
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t.Fatal("expected inClusterKubeClient error without env")
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}
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}
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func TestInClusterKubeClientFileBranches(t *testing.T) {
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origTokenPath := kubeServiceAccountTokenPath
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origCAPath := kubeServiceAccountCAPath
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t.Cleanup(func() {
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kubeServiceAccountTokenPath = origTokenPath
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kubeServiceAccountCAPath = origCAPath
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})
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dir := t.TempDir()
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tokenPath := filepath.Join(dir, "token")
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caPath := filepath.Join(dir, "ca.crt")
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kubeServiceAccountTokenPath = tokenPath
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kubeServiceAccountCAPath = caPath
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t.Setenv("KUBERNETES_SERVICE_HOST", "10.0.0.1")
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t.Setenv("KUBERNETES_SERVICE_PORT", "6443")
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if _, err := inClusterKubeClient(); err == nil {
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t.Fatal("expected token read error")
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}
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if err := os.WriteFile(tokenPath, []byte(" token \n"), 0o600); err != nil {
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t.Fatal(err)
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}
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if _, err := inClusterKubeClient(); err == nil {
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t.Fatal("expected CA read error")
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}
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if err := os.WriteFile(caPath, []byte("not a certificate"), 0o600); err != nil {
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t.Fatal(err)
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}
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if _, err := inClusterKubeClient(); err == nil {
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t.Fatal("expected invalid CA error")
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}
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tlsServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusNoContent)
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}))
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defer tlsServer.Close()
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cert := tlsServer.Certificate()
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caPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: cert.Raw})
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if err := os.WriteFile(caPath, caPEM, 0o600); err != nil {
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t.Fatal(err)
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}
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client, err := inClusterKubeClient()
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if err != nil {
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t.Fatalf("inClusterKubeClient: %v", err)
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}
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if client.baseURL != "https://10.0.0.1:6443" || client.token != "token" || client.client == nil {
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t.Fatalf("unexpected kube client: %#v", client)
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}
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}
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func TestKubeClientRequestErrorBranches(t *testing.T) {
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kube := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch {
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case r.URL.Path == "/ok":
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w.WriteHeader(http.StatusNoContent)
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case r.URL.Path == "/bad-json":
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_, _ = w.Write([]byte("{"))
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case r.Method == http.MethodDelete && r.URL.Path == "/fail":
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http.Error(w, "delete denied", http.StatusInternalServerError)
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default:
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http.NotFound(w, r)
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}
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}))
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defer kube.Close()
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client := kubeClientFactoryForURL(kube.URL, kube.Client())
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if err := client.jsonRequest(http.MethodPost, "/ok", map[string]any{"bad": func() {}}, nil); err == nil {
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t.Fatal("expected JSON marshal error")
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}
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if err := client.jsonRequest(http.MethodGet, "/ok", nil, nil); err != nil {
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t.Fatalf("expected nil out request to pass: %v", err)
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}
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if err := client.jsonRequest(http.MethodGet, "/bad-json", nil, &map[string]any{}); err == nil {
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t.Fatal("expected JSON decode error")
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}
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if err := client.deleteRequest("/fail"); err == nil || !strings.Contains(err.Error(), "delete denied") {
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t.Fatalf("expected delete failure body, got %v", err)
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}
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badURLClient := &kubeClient{baseURL: "http://%zz", token: "tok", client: http.DefaultClient}
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if err := badURLClient.jsonRequest(http.MethodGet, "/ok", nil, nil); err == nil {
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t.Fatal("expected bad URL jsonRequest error")
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}
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if err := badURLClient.deleteRequest("/ok"); err == nil {
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t.Fatal("expected bad URL deleteRequest error")
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}
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transportErrClient := &kubeClient{
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baseURL: "http://example.test",
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token: "tok",
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client: &http.Client{Transport: roundTripFunc(func(*http.Request) (*http.Response, error) {
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return nil, errors.New("transport down")
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})},
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}
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if err := transportErrClient.jsonRequest(http.MethodGet, "/ok", nil, nil); err == nil || !strings.Contains(err.Error(), "transport down") {
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t.Fatalf("expected transport jsonRequest error, got %v", err)
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}
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if err := transportErrClient.deleteRequest("/ok"); err == nil || !strings.Contains(err.Error(), "transport down") {
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t.Fatalf("expected transport deleteRequest error, got %v", err)
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}
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}
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func TestKubeClientAndPodHelpers(t *testing.T) {
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kube := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch {
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/nodes":
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_ = json.NewEncoder(w).Encode(map[string]any{
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"items": []any{
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map[string]any{
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"metadata": map[string]any{"name": "b", "labels": map[string]string{"kubernetes.io/arch": "arm64", "node-role.kubernetes.io/worker": "true"}},
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"spec": map[string]any{"unschedulable": false},
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},
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map[string]any{
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"metadata": map[string]any{"name": "a", "labels": map[string]string{"kubernetes.io/arch": "arm64", "node-role.kubernetes.io/worker": "true"}},
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"spec": map[string]any{"unschedulable": false},
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},
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},
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})
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case r.Method == http.MethodPost && strings.Contains(r.URL.Path, "/pods"):
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w.WriteHeader(http.StatusCreated)
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case r.Method == http.MethodDelete && strings.Contains(r.URL.Path, "/nodes/"):
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w.WriteHeader(http.StatusNotFound)
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case r.Method == http.MethodGet && strings.Contains(r.URL.Path, "/pods/") && strings.HasSuffix(r.URL.Path, "/log"):
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http.Error(w, "proxy error from 127.0.0.1:6443", http.StatusBadGateway)
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case r.Method == http.MethodGet && strings.Contains(r.URL.Path, "/pods/"):
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_ = json.NewEncoder(w).Encode(map[string]any{
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"metadata": map[string]any{"name": filepath.Base(r.URL.Path)},
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"status": map[string]any{
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"phase": "Failed",
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"reason": "CrashLoopBackOff",
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"message": "boom",
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"containerStatuses": []any{
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map[string]any{
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"state": map[string]any{
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"waiting": map[string]any{"reason": "ImagePullBackOff", "message": "pulling"},
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"terminated": map[string]any{"reason": "Completed", "message": "done"},
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},
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},
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},
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},
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})
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default:
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http.NotFound(w, r)
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}
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}))
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defer kube.Close()
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client := kubeClientFactoryForURL(kube.URL, kube.Client())
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if err := client.jsonRequest(http.MethodGet, "/api/v1/nodes", nil, &map[string]any{}); err != nil {
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t.Fatalf("jsonRequest: %v", err)
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}
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if err := client.deleteRequest("/api/v1/nodes/a"); err != nil {
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t.Fatalf("deleteRequest 404 should be nil: %v", err)
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}
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if err := client.jsonRequest(http.MethodGet, "/missing", nil, &map[string]any{}); err == nil {
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t.Fatal("expected jsonRequest failure on 404")
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}
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origFactory := kubeClientFactory
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kubeClientFactory = func() (*kubeClient, error) {
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return client, nil
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}
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t.Cleanup(func() { kubeClientFactory = origFactory })
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nodes := clusterNodes()
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if len(nodes) != 2 || nodes[0].Name != "a" {
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t.Fatalf("clusterNodes sort mismatch: %#v", nodes)
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}
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app := newTestApp(t)
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app.settings.Namespace = "maintenance"
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app.settings.RunnerImageARM64 = "runner:arm64"
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state, err := app.remotePodState(client, "metis-build-test")
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if err != nil {
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t.Fatalf("remotePodState: %v", err)
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}
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if state.Reason != "Completed" || state.Message != "done" {
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t.Fatalf("expected terminated state override, got %#v", state)
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}
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if _, err := app.remotePodLogs(client, "metis-build-test"); err == nil || !strings.Contains(err.Error(), "could not reach the node kubelet log endpoint") {
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t.Fatalf("expected kubelet log endpoint error, got %v", err)
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}
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if _, err := app.runRemotePod("job-1", "metis-fail-test", map[string]any{}); err == nil {
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t.Fatal("expected runRemotePod failure")
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}
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if _, err := app.ensureDevice("titan-22", "missing"); err == nil {
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t.Fatal("expected ensureDevice missing target to fail")
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}
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}
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func TestClusterListErrorBranches(t *testing.T) {
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origFactory := kubeClientFactory
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kubeClientFactory = func() (*kubeClient, error) { return nil, errors.New("offline") }
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if nodes := clusterNodes(); nodes != nil {
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t.Fatalf("expected nil nodes on factory error, got %#v", nodes)
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}
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if loads := clusterActiveRemotePodLoads("maintenance", "build"); loads != nil {
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t.Fatalf("expected nil loads on factory error, got %#v", loads)
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}
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kubeClientFactory = origFactory
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if loads := clusterActiveRemotePodLoads(" ", "build"); loads != nil {
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t.Fatalf("expected nil loads for empty namespace, got %#v", loads)
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}
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kube := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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http.Error(w, "api unavailable", http.StatusServiceUnavailable)
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}))
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defer kube.Close()
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kubeClientFactory = func() (*kubeClient, error) {
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return kubeClientFactoryForURL(kube.URL, kube.Client()), nil
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}
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t.Cleanup(func() { kubeClientFactory = origFactory })
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if nodes := clusterNodes(); nodes != nil {
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t.Fatalf("expected nil nodes on list error, got %#v", nodes)
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}
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if loads := clusterActiveRemotePodLoads("maintenance", "build"); loads != nil {
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t.Fatalf("expected nil loads on list error, got %#v", loads)
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}
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}
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func TestDeleteNodeObjectFallback(t *testing.T) {
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tmp := t.TempDir()
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kubectl := filepath.Join(tmp, "kubectl")
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if err := os.WriteFile(kubectl, []byte("#!/usr/bin/env bash\nset -eu\nprintf '%s' \"$*\" > \""+filepath.Join(tmp, "kubectl.args")+"\"\n"), 0o755); err != nil {
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t.Fatal(err)
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}
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t.Setenv("PATH", tmp+string(os.PathListSeparator)+os.Getenv("PATH"))
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origFactory := kubeClientFactory
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kubeClientFactory = func() (*kubeClient, error) { return nil, errors.New("offline") }
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t.Cleanup(func() { kubeClientFactory = origFactory })
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if err := deleteNodeObject("titan-15"); err != nil {
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t.Fatalf("deleteNodeObject fallback: %v", err)
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}
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}
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func TestClusterActiveRemotePodLoadsCountsOnlyLivePods(t *testing.T) {
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kube := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch {
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/namespaces/maintenance/pods":
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if got := r.URL.Query().Get("labelSelector"); got != "app=metis-remote,metis-run=build" {
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t.Fatalf("unexpected labelSelector %q", got)
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}
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_ = json.NewEncoder(w).Encode(map[string]any{
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"items": []any{
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map[string]any{
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"metadata": map[string]any{"labels": map[string]string{"app": "metis-remote", "metis-run": "build"}},
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"spec": map[string]any{"nodeName": "titan-04"},
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"status": map[string]any{"phase": "Running"},
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},
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map[string]any{
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"metadata": map[string]any{"labels": map[string]string{"app": "metis-remote", "metis-run": "build"}},
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"spec": map[string]any{"nodeName": "titan-04"},
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"status": map[string]any{"phase": "Pending"},
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},
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map[string]any{
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"metadata": map[string]any{"labels": map[string]string{"app": "metis-remote", "metis-run": "build"}},
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"spec": map[string]any{"nodeName": "titan-05"},
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"status": map[string]any{"phase": "Succeeded"},
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},
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},
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})
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default:
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http.NotFound(w, r)
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}
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}))
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defer kube.Close()
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origFactory := kubeClientFactory
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kubeClientFactory = func() (*kubeClient, error) {
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return kubeClientFactoryForURL(kube.URL, kube.Client()), nil
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}
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t.Cleanup(func() { kubeClientFactory = origFactory })
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loads := clusterActiveRemotePodLoads("maintenance", "build")
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if loads["titan-04"] != 2 {
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t.Fatalf("expected titan-04 load 2, got %#v", loads)
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}
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if _, ok := loads["titan-05"]; ok {
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t.Fatalf("expected succeeded pod to be ignored, got %#v", loads)
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}
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}
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func TestClusterActiveRemotePodLoadsFiltersEdges(t *testing.T) {
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kube := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch {
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case r.Method == http.MethodGet && r.URL.Path == "/api/v1/namespaces/maintenance/pods":
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_ = json.NewEncoder(w).Encode(map[string]any{
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"items": []any{
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map[string]any{
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"metadata": map[string]any{"labels": map[string]string{"app": "metis-remote", "metis-run": "flash"}},
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"spec": map[string]any{"nodeName": "wrong-run"},
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"status": map[string]any{"phase": "Running"},
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},
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map[string]any{
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"metadata": map[string]any{"labels": map[string]string{"app": "metis-remote", "metis-run": "build"}},
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"spec": map[string]any{"nodeName": ""},
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"status": map[string]any{"phase": "Running"},
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},
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map[string]any{
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"metadata": map[string]any{"labels": map[string]string{"app": "metis-remote", "metis-run": "build"}},
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"spec": map[string]any{"nodeName": "failed"},
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"status": map[string]any{"phase": "Failed"},
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},
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map[string]any{
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"metadata": map[string]any{"labels": map[string]string{"app": "metis-remote", "metis-run": "build"}},
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"spec": map[string]any{"nodeName": "good"},
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"status": map[string]any{"phase": "Pending"},
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},
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},
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})
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default:
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http.NotFound(w, r)
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}
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}))
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defer kube.Close()
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origFactory := kubeClientFactory
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kubeClientFactory = func() (*kubeClient, error) {
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return kubeClientFactoryForURL(kube.URL, kube.Client()), nil
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}
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t.Cleanup(func() { kubeClientFactory = origFactory })
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loads := clusterActiveRemotePodLoads("maintenance", "build")
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if len(loads) != 1 || loads["good"] != 1 {
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t.Fatalf("unexpected filtered loads: %#v", loads)
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}
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}
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func TestRunRemotePodTerminalEdgeStates(t *testing.T) {
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cases := []struct {
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name string
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phase string
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reason string
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message string
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logStatus int
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logBody string
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want string
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wantErr string
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}{
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{name: "success uses logs when message empty", phase: "Succeeded", logStatus: http.StatusOK, logBody: "fallback payload", want: "fallback payload"},
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{name: "success reports missing payload and log error", phase: "Succeeded", logStatus: http.StatusInternalServerError, logBody: "no logs", wantErr: "logs unavailable"},
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{name: "success reports missing payload", phase: "Succeeded", logStatus: http.StatusOK, logBody: "", wantErr: "did not return a result payload"},
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{name: "failed uses logs when message empty", phase: "Failed", logStatus: http.StatusOK, logBody: "worker failed", wantErr: "worker failed"},
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{name: "failed falls back to default reason", phase: "Failed", logStatus: http.StatusOK, logBody: "", wantErr: "remote worker failed before reporting details"},
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}
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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kube := remotePodStateServer(t, tc.phase, tc.reason, tc.message, tc.logStatus, tc.logBody)
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installKubeFactory(t, kube)
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app := newTestApp(t)
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app.settings.Namespace = "maintenance"
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got, err := app.runRemotePod("", "metis-case", map[string]any{})
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if tc.wantErr != "" {
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if err == nil || !strings.Contains(err.Error(), tc.wantErr) {
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t.Fatalf("expected error containing %q, got result=%q err=%v", tc.wantErr, got, err)
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}
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return
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}
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if err != nil || got != tc.want {
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t.Fatalf("runRemotePod = %q err=%v", got, err)
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}
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})
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}
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}
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func TestRunRemotePodProgressAndRequestFailures(t *testing.T) {
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origFactory := kubeClientFactory
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kubeClientFactory = func() (*kubeClient, error) { return nil, errors.New("offline") }
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app := newTestApp(t)
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if _, err := app.runRemotePod("", "metis-offline", map[string]any{}); err == nil {
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t.Fatal("expected factory error")
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}
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kubeClientFactory = origFactory
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postFail := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodPost {
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http.Error(w, "post denied", http.StatusForbidden)
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return
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}
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w.WriteHeader(http.StatusOK)
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}))
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defer postFail.Close()
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installKubeFactory(t, postFail)
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app = newTestApp(t)
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app.settings.Namespace = "maintenance"
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if _, err := app.runRemotePod("", "metis-post-fail", map[string]any{}); err == nil || !strings.Contains(err.Error(), "post denied") {
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t.Fatalf("expected post failure, got %v", err)
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}
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stateFail := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch {
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case r.Method == http.MethodPost:
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w.WriteHeader(http.StatusCreated)
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case r.Method == http.MethodGet && strings.Contains(r.URL.Path, "/pods/"):
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http.Error(w, "state denied", http.StatusForbidden)
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default:
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w.WriteHeader(http.StatusOK)
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}
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|
}))
|
|
defer stateFail.Close()
|
|
installKubeFactory(t, stateFail)
|
|
app = newTestApp(t)
|
|
app.settings.Namespace = "maintenance"
|
|
if _, err := app.runRemotePod("", "metis-state-fail", map[string]any{}); err == nil || !strings.Contains(err.Error(), "state denied") {
|
|
t.Fatalf("expected state failure, got %v", err)
|
|
}
|
|
|
|
progressLog := ProgressLogLine(RemoteProgressUpdate{Stage: "flash", ProgressPct: 92, Message: "writing", WrittenBytes: 10, TotalBytes: 20})
|
|
progressServer := remotePodStateServer(t, "Succeeded", "Completed", `{"ok":true}`, http.StatusOK, progressLog)
|
|
installKubeFactory(t, progressServer)
|
|
app = newTestApp(t)
|
|
app.settings.Namespace = "maintenance"
|
|
job := app.newJob("replace", "titan-15", "titan-22", "/dev/sdz")
|
|
app.setJob(job.ID, func(j *Job) {
|
|
j.Status = JobRunning
|
|
j.Stage = "build"
|
|
j.StageStartedAt = time.Now()
|
|
})
|
|
if got, err := app.runRemotePod(job.ID, "metis-progress", map[string]any{}); err != nil || got != `{"ok":true}` {
|
|
t.Fatalf("runRemotePod progress = %q err=%v", got, err)
|
|
}
|
|
if got := app.job(job.ID); got == nil || got.Written != 10 || got.Total != 20 {
|
|
t.Fatalf("expected progress update, got %#v", got)
|
|
}
|
|
}
|
|
|
|
func TestRemotePodStateAndLogErrorBranches(t *testing.T) {
|
|
kube := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
switch {
|
|
case r.Method == http.MethodGet && strings.Contains(r.URL.Path, "/pods/state-fail"):
|
|
http.Error(w, "state unavailable", http.StatusServiceUnavailable)
|
|
case r.Method == http.MethodGet && strings.HasSuffix(r.URL.Path, "/log"):
|
|
http.Error(w, "plain log failure", http.StatusInternalServerError)
|
|
default:
|
|
http.NotFound(w, r)
|
|
}
|
|
}))
|
|
defer kube.Close()
|
|
app := newTestApp(t)
|
|
app.settings.Namespace = "maintenance"
|
|
client := kubeClientFactoryForURL(kube.URL, kube.Client())
|
|
|
|
if _, err := app.remotePodState(client, "state-fail"); err == nil || !strings.Contains(err.Error(), "state unavailable") {
|
|
t.Fatalf("expected state error, got %v", err)
|
|
}
|
|
if _, err := app.remotePodLogs(client, "log-fail"); err == nil || !strings.Contains(err.Error(), "plain log failure") {
|
|
t.Fatalf("expected plain log error, got %v", err)
|
|
}
|
|
|
|
badURL := &kubeClient{baseURL: "http://%zz", token: "tok", client: http.DefaultClient}
|
|
if _, err := app.remotePodLogs(badURL, "log-fail"); err == nil {
|
|
t.Fatal("expected log request creation error")
|
|
}
|
|
transportErr := &kubeClient{
|
|
baseURL: "http://example.test",
|
|
token: "tok",
|
|
client: &http.Client{Transport: roundTripFunc(func(*http.Request) (*http.Response, error) {
|
|
return nil, errors.New("logs transport down")
|
|
})},
|
|
}
|
|
if _, err := app.remotePodLogs(transportErr, "log-fail"); err == nil || !strings.Contains(err.Error(), "logs transport down") {
|
|
t.Fatalf("expected log transport error, got %v", err)
|
|
}
|
|
}
|
|
|
|
func remotePodStateServer(t *testing.T, phase, reason, message string, logStatus int, logBody string) *httptest.Server {
|
|
t.Helper()
|
|
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
switch {
|
|
case r.Method == http.MethodPost && strings.Contains(r.URL.Path, "/pods"):
|
|
w.WriteHeader(http.StatusCreated)
|
|
case r.Method == http.MethodDelete && strings.Contains(r.URL.Path, "/pods/"):
|
|
w.WriteHeader(http.StatusOK)
|
|
case r.Method == http.MethodGet && strings.Contains(r.URL.Path, "/pods/") && strings.HasSuffix(r.URL.Path, "/log"):
|
|
w.WriteHeader(logStatus)
|
|
_, _ = w.Write([]byte(logBody))
|
|
case r.Method == http.MethodGet && strings.Contains(r.URL.Path, "/pods/"):
|
|
_ = json.NewEncoder(w).Encode(map[string]any{
|
|
"metadata": map[string]any{"name": filepath.Base(r.URL.Path)},
|
|
"status": map[string]any{
|
|
"phase": phase,
|
|
"reason": reason,
|
|
"message": message,
|
|
},
|
|
})
|
|
default:
|
|
http.NotFound(w, r)
|
|
}
|
|
}))
|
|
}
|