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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| package helpers | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "net" | ||
| "os" | ||
| "os/exec" | ||
| "strconv" | ||
| "time" | ||
|
|
||
| "github.com/cenkalti/backoff/v4" | ||
| "github.com/moby/buildkit/util/testutil/integration" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| const ( | ||
| k3sBin = "k3s" | ||
| kubeCtlBin = "kubectl" | ||
| ) | ||
|
|
||
| func NewK3sServer(cfg *integration.BackendConfig) (kubeConfig string, cl func() error, err error) { | ||
| if _, err := exec.LookPath(k3sBin); err != nil { | ||
| return "", nil, errors.Wrapf(err, "failed to lookup %s binary", k3sBin) | ||
| } | ||
| if _, err := exec.LookPath(kubeCtlBin); err != nil { | ||
| return "", nil, errors.Wrapf(err, "failed to lookup %s binary", kubeCtlBin) | ||
| } | ||
|
|
||
| deferF := &integration.MultiCloser{} | ||
| cl = deferF.F() | ||
|
|
||
| defer func() { | ||
| if err != nil { | ||
| deferF.F()() | ||
| cl = nil | ||
| } | ||
| }() | ||
|
|
||
| cfgfile, err := os.CreateTemp("", "kubeconfig*.yml") | ||
| if err != nil { | ||
| return "", nil, err | ||
| } | ||
| kubeConfig = cfgfile.Name() | ||
| deferF.Append(func() error { | ||
| return os.Remove(cfgfile.Name()) | ||
| }) | ||
|
|
||
| k3sDataDir, err := os.MkdirTemp("", "kubedata") | ||
| if err != nil { | ||
| return "", nil, err | ||
| } | ||
| deferF.Append(func() error { | ||
| return os.RemoveAll(k3sDataDir) | ||
| }) | ||
|
|
||
| l, err := net.Listen("tcp", "localhost:0") | ||
| if err != nil { | ||
| return "", nil, err | ||
| } | ||
| _ = l.Close() | ||
|
|
||
| lport := strconv.Itoa(l.Addr().(*net.TCPAddr).Port) | ||
| nodeName := "integrationk3s" | ||
|
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||
| stop, err := integration.StartCmd(exec.Command(k3sBin, "server", | ||
| "--bind-address", "127.0.0.1", | ||
| "--https-listen-port", lport, | ||
| "--data-dir", k3sDataDir, // write to /tmp for overlayfs support | ||
| "--write-kubeconfig", cfgfile.Name(), | ||
| "--write-kubeconfig-mode", "666", | ||
| "--node-name", nodeName, | ||
| ), cfg.Logs) | ||
| if err != nil { | ||
| return "", nil, err | ||
| } | ||
|
|
||
| if err = waitk3s(cfg, kubeConfig, nodeName); err != nil { | ||
| stop() | ||
| return "", nil, errors.Wrapf(err, "k3s did not start up: %s", integration.FormatLogs(cfg.Logs)) | ||
| } | ||
|
|
||
| deferF.Append(stop) | ||
| return | ||
| } | ||
|
|
||
| func waitk3s(cfg *integration.BackendConfig, kubeConfig string, nodeName string) error { | ||
| logbuf := new(bytes.Buffer) | ||
| defer func() { | ||
| if logbuf.Len() > 0 { | ||
| cfg.Logs["waitk3s: "] = logbuf | ||
| } | ||
| }() | ||
|
|
||
| boff := backoff.NewExponentialBackOff() | ||
| boff.InitialInterval = 3 * time.Second | ||
| boff.MaxInterval = 5 * time.Second | ||
| boff.MaxElapsedTime = 2 * time.Minute | ||
|
|
||
| if err := backoff.Retry(func() error { | ||
| cmd := exec.Command(kubeCtlBin, "--kubeconfig", kubeConfig, "wait", "--for=condition=Ready", "node/"+nodeName) | ||
| out, err := cmd.CombinedOutput() | ||
| if err == nil && bytes.Contains(out, []byte("condition met")) { | ||
| return nil | ||
| } | ||
| return errors.Wrapf(err, "node is not ready: %s %s", cmd.String(), string(out)) | ||
| }, boff); err != nil { | ||
| logbuf.WriteString(errors.Unwrap(err).Error()) | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package workers | ||
|
|
||
| import ( | ||
| "context" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "sync" | ||
|
|
||
| "github.com/docker/buildx/tests/helpers" | ||
| "github.com/moby/buildkit/identity" | ||
| "github.com/moby/buildkit/util/testutil/integration" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| func InitKubernetesWorker() { | ||
| integration.Register(&kubernetesWorker{ | ||
| id: "kubernetes", | ||
| }) | ||
| } | ||
|
|
||
| type kubernetesWorker struct { | ||
| id string | ||
|
|
||
| unsupported []string | ||
|
|
||
| k3sConfig string | ||
| k3sClose func() error | ||
| k3sErr error | ||
| k3sOnce sync.Once | ||
| } | ||
|
|
||
| func (w *kubernetesWorker) Name() string { | ||
| return w.id | ||
| } | ||
|
|
||
| func (w *kubernetesWorker) Rootless() bool { | ||
| return false | ||
| } | ||
|
|
||
| func (w *kubernetesWorker) New(ctx context.Context, cfg *integration.BackendConfig) (integration.Backend, func() error, error) { | ||
| var err error | ||
|
|
||
| w.k3sOnce.Do(func() { | ||
| w.k3sConfig, w.k3sClose, w.k3sErr = helpers.NewK3sServer(cfg) | ||
| }) | ||
| if w.k3sErr != nil { | ||
| return nil, w.k3sClose, w.k3sErr | ||
| } | ||
|
|
||
| cfgfile, err := integration.WriteConfig(cfg.DaemonConfig) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
| defer os.RemoveAll(filepath.Dir(cfgfile)) | ||
|
|
||
| name := "integration-kubernetes-" + identity.NewID() | ||
| cmd := exec.Command("buildx", "create", | ||
| "--bootstrap", | ||
| "--name="+name, | ||
| "--config="+cfgfile, | ||
| "--driver=kubernetes", | ||
| ) | ||
| cmd.Env = append( | ||
| os.Environ(), | ||
| "BUILDX_CONFIG=/tmp/buildx-"+name, | ||
| "KUBECONFIG="+w.k3sConfig, | ||
| ) | ||
| if err := cmd.Run(); err != nil { | ||
| return nil, nil, errors.Wrapf(err, "failed to create buildx instance %s", name) | ||
| } | ||
|
|
||
| cl := func() error { | ||
| cmd := exec.Command("buildx", "rm", "-f", name) | ||
| return cmd.Run() | ||
| } | ||
|
|
||
| return &backend{ | ||
| builder: name, | ||
| unsupportedFeatures: w.unsupported, | ||
| }, cl, nil | ||
| } | ||
|
|
||
| func (w *kubernetesWorker) Close() error { | ||
| if c := w.k3sClose; c != nil { | ||
| return c() | ||
| } | ||
|
|
||
| // reset the worker to be ready to go again | ||
| w.k3sConfig = "" | ||
| w.k3sClose = nil | ||
| w.k3sErr = nil | ||
| w.k3sOnce = sync.Once{} | ||
|
|
||
| return nil | ||
| } |