|
| 1 | +package cli |
| 2 | + |
| 3 | +import ( |
| 4 | + "bufio" |
| 5 | + "bytes" |
| 6 | + "fmt" |
| 7 | + "io" |
| 8 | + "mime/multipart" |
| 9 | + "net/http" |
| 10 | + "net/url" |
| 11 | + "os" |
| 12 | + |
| 13 | + "github.com/pkg/errors" |
| 14 | + "github.com/replicatedhq/kots/pkg/archives" |
| 15 | + "github.com/replicatedhq/kots/pkg/auth" |
| 16 | + registrytypes "github.com/replicatedhq/kots/pkg/docker/registry/types" |
| 17 | + "github.com/replicatedhq/kots/pkg/image" |
| 18 | + imagetypes "github.com/replicatedhq/kots/pkg/image/types" |
| 19 | + "github.com/replicatedhq/kots/pkg/k8sutil" |
| 20 | + "github.com/replicatedhq/kots/pkg/kotsutil" |
| 21 | + "github.com/replicatedhq/kots/pkg/logger" |
| 22 | + "github.com/replicatedhq/kots/pkg/tasks" |
| 23 | + "github.com/replicatedhq/kots/pkg/upload" |
| 24 | + "github.com/replicatedhq/kots/pkg/util" |
| 25 | + "github.com/spf13/cobra" |
| 26 | + "github.com/spf13/viper" |
| 27 | +) |
| 28 | + |
| 29 | +func AirgapUpdateCmd() *cobra.Command { |
| 30 | + cmd := &cobra.Command{ |
| 31 | + Use: "airgap-update [appSlug]", |
| 32 | + Short: "Process and upload an airgap update to the admin console", |
| 33 | + Long: "", |
| 34 | + SilenceUsage: true, |
| 35 | + SilenceErrors: false, |
| 36 | + Hidden: true, |
| 37 | + PreRun: func(cmd *cobra.Command, args []string) { |
| 38 | + viper.BindPFlags(cmd.Flags()) |
| 39 | + }, |
| 40 | + RunE: func(cmd *cobra.Command, args []string) error { |
| 41 | + v := viper.GetViper() |
| 42 | + |
| 43 | + if len(args) == 0 { |
| 44 | + cmd.Help() |
| 45 | + os.Exit(1) |
| 46 | + } |
| 47 | + |
| 48 | + appSlug := args[0] |
| 49 | + log := logger.NewCLILogger(cmd.OutOrStdout()) |
| 50 | + |
| 51 | + airgapBundle := v.GetString("airgap-bundle") |
| 52 | + if airgapBundle == "" { |
| 53 | + return fmt.Errorf("--airgap-bundle is required") |
| 54 | + } |
| 55 | + |
| 56 | + namespace, err := getNamespaceOrDefault(v.GetString("namespace")) |
| 57 | + if err != nil { |
| 58 | + return errors.Wrap(err, "failed to get namespace") |
| 59 | + } |
| 60 | + |
| 61 | + clientset, err := k8sutil.GetClientset() |
| 62 | + if err != nil { |
| 63 | + return errors.Wrap(err, "failed to get clientset") |
| 64 | + } |
| 65 | + |
| 66 | + registryConfig, err := getRegistryConfig(v, clientset, appSlug) |
| 67 | + if err != nil { |
| 68 | + return errors.Wrap(err, "failed to get registry config") |
| 69 | + } |
| 70 | + |
| 71 | + pushOpts := imagetypes.PushImagesOptions{ |
| 72 | + KotsadmTag: v.GetString("kotsadm-tag"), |
| 73 | + Registry: registrytypes.RegistryOptions{ |
| 74 | + Endpoint: registryConfig.OverrideRegistry, |
| 75 | + Namespace: registryConfig.OverrideNamespace, |
| 76 | + Username: registryConfig.Username, |
| 77 | + Password: registryConfig.Password, |
| 78 | + }, |
| 79 | + ProgressWriter: getProgressWriter(v, log), |
| 80 | + LogForUI: v.GetBool("from-api"), |
| 81 | + } |
| 82 | + |
| 83 | + if _, err := os.Stat(airgapBundle); err == nil { |
| 84 | + err = image.TagAndPushImagesFromBundle(airgapBundle, pushOpts) |
| 85 | + if err != nil { |
| 86 | + return errors.Wrap(err, "failed to push images") |
| 87 | + } |
| 88 | + } else { |
| 89 | + return errors.Wrap(err, "failed to stat airgap bundle") |
| 90 | + } |
| 91 | + |
| 92 | + updateFiles, err := getAirgapUpdateFiles(airgapBundle) |
| 93 | + if err != nil { |
| 94 | + return errors.Wrap(err, "failed to get airgap update files") |
| 95 | + } |
| 96 | + airgapUpdate, err := archives.FilterAirgapBundle(airgapBundle, updateFiles) |
| 97 | + if err != nil { |
| 98 | + return errors.Wrap(err, "failed to create filtered airgap bundle") |
| 99 | + } |
| 100 | + defer os.RemoveAll(airgapUpdate) |
| 101 | + |
| 102 | + var localPort int |
| 103 | + if v.GetBool("from-api") { |
| 104 | + localPort = 3000 |
| 105 | + } else { |
| 106 | + stopCh := make(chan struct{}) |
| 107 | + defer close(stopCh) |
| 108 | + |
| 109 | + lp, errChan, err := upload.StartPortForward(namespace, stopCh, log) |
| 110 | + if err != nil { |
| 111 | + return err |
| 112 | + } |
| 113 | + localPort = lp |
| 114 | + |
| 115 | + go func() { |
| 116 | + select { |
| 117 | + case err := <-errChan: |
| 118 | + if err != nil { |
| 119 | + log.Error(err) |
| 120 | + os.Exit(1) |
| 121 | + } |
| 122 | + case <-stopCh: |
| 123 | + } |
| 124 | + }() |
| 125 | + } |
| 126 | + |
| 127 | + uploadEndpoint := fmt.Sprintf("http://localhost:%d/api/v1/app/%s/airgap/update", localPort, url.PathEscape(appSlug)) |
| 128 | + |
| 129 | + log.ActionWithSpinner("Uploading airgap update") |
| 130 | + if err := uploadAirgapUpdate(airgapUpdate, uploadEndpoint, namespace); err != nil { |
| 131 | + log.FinishSpinnerWithError() |
| 132 | + return errors.Wrap(err, "failed to upload airgap update") |
| 133 | + } |
| 134 | + log.FinishSpinner() |
| 135 | + |
| 136 | + return nil |
| 137 | + }, |
| 138 | + } |
| 139 | + |
| 140 | + cmd.Flags().StringP("namespace", "n", "", "the namespace in which kots/kotsadm is installed") |
| 141 | + cmd.Flags().String("airgap-bundle", "", "path to the application airgap bundle to upload") |
| 142 | + |
| 143 | + cmd.Flags().Bool("from-api", false, "whether the airgap update command was triggered by the API") |
| 144 | + cmd.Flags().String("task-id", "", "the task ID to use for tracking progress") |
| 145 | + cmd.Flags().MarkHidden("from-api") |
| 146 | + cmd.Flags().MarkHidden("task-id") |
| 147 | + |
| 148 | + registryFlags(cmd.Flags()) |
| 149 | + |
| 150 | + return cmd |
| 151 | +} |
| 152 | + |
| 153 | +func getProgressWriter(v *viper.Viper, log *logger.CLILogger) io.Writer { |
| 154 | + if v.GetBool("from-api") { |
| 155 | + pipeReader, pipeWriter := io.Pipe() |
| 156 | + go func() { |
| 157 | + scanner := bufio.NewScanner(pipeReader) |
| 158 | + for scanner.Scan() { |
| 159 | + if err := tasks.SetTaskStatus(v.GetString("task-id"), scanner.Text(), "running"); err != nil { |
| 160 | + log.Error(err) |
| 161 | + } |
| 162 | + } |
| 163 | + pipeReader.CloseWithError(scanner.Err()) |
| 164 | + }() |
| 165 | + return pipeWriter |
| 166 | + } |
| 167 | + return os.Stdout |
| 168 | +} |
| 169 | + |
| 170 | +func getAirgapUpdateFiles(airgapBundle string) ([]string, error) { |
| 171 | + airgap, err := kotsutil.FindAirgapMetaInBundle(airgapBundle) |
| 172 | + if err != nil { |
| 173 | + return nil, errors.Wrap(err, "failed to find airgap meta in bundle") |
| 174 | + } |
| 175 | + |
| 176 | + if airgap.Spec.EmbeddedClusterArtifacts == nil { |
| 177 | + return nil, errors.New("embedded cluster artifacts not found in airgap bundle") |
| 178 | + } |
| 179 | + |
| 180 | + if airgap.Spec.EmbeddedClusterArtifacts.Metadata == "" { |
| 181 | + return nil, errors.New("embedded cluster metadata not found in airgap bundle") |
| 182 | + } |
| 183 | + |
| 184 | + if airgap.Spec.EmbeddedClusterArtifacts.AdditionalArtifacts == nil { |
| 185 | + return nil, errors.New("embedded cluster additional artifacts not found in airgap bundle") |
| 186 | + } |
| 187 | + |
| 188 | + files := []string{ |
| 189 | + "airgap.yaml", |
| 190 | + "app.tar.gz", |
| 191 | + airgap.Spec.EmbeddedClusterArtifacts.Metadata, |
| 192 | + airgap.Spec.EmbeddedClusterArtifacts.AdditionalArtifacts["kots"], |
| 193 | + } |
| 194 | + |
| 195 | + return files, nil |
| 196 | +} |
| 197 | + |
| 198 | +func uploadAirgapUpdate(airgapBundle string, uploadEndpoint string, namespace string) error { |
| 199 | + buffer := bytes.NewBuffer(nil) |
| 200 | + writer := multipart.NewWriter(buffer) |
| 201 | + |
| 202 | + part, err := writer.CreateFormFile("application.airgap", "application.airgap") |
| 203 | + if err != nil { |
| 204 | + return errors.Wrap(err, "failed to create form file") |
| 205 | + } |
| 206 | + |
| 207 | + f, err := os.Open(airgapBundle) |
| 208 | + if err != nil { |
| 209 | + return errors.Wrap(err, "failed to open airgap bundle") |
| 210 | + } |
| 211 | + defer f.Close() |
| 212 | + |
| 213 | + if _, err := io.Copy(part, f); err != nil { |
| 214 | + return errors.Wrap(err, "failed to copy airgap bundle to form file") |
| 215 | + } |
| 216 | + |
| 217 | + err = writer.Close() |
| 218 | + if err != nil { |
| 219 | + return errors.Wrap(err, "failed to close writer") |
| 220 | + } |
| 221 | + |
| 222 | + clientset, err := k8sutil.GetClientset() |
| 223 | + if err != nil { |
| 224 | + return errors.Wrap(err, "failed to get k8s clientset") |
| 225 | + } |
| 226 | + |
| 227 | + authSlug, err := auth.GetOrCreateAuthSlug(clientset, namespace) |
| 228 | + if err != nil { |
| 229 | + return errors.Wrap(err, "failed to get auth slug") |
| 230 | + } |
| 231 | + |
| 232 | + newReq, err := util.NewRequest("PUT", uploadEndpoint, buffer) |
| 233 | + if err != nil { |
| 234 | + return errors.Wrap(err, "failed to create request") |
| 235 | + } |
| 236 | + newReq.Header.Add("Content-Type", writer.FormDataContentType()) |
| 237 | + newReq.Header.Add("Authorization", authSlug) |
| 238 | + |
| 239 | + resp, err := http.DefaultClient.Do(newReq) |
| 240 | + if err != nil { |
| 241 | + return errors.Wrap(err, "failed to make request") |
| 242 | + } |
| 243 | + defer resp.Body.Close() |
| 244 | + |
| 245 | + if resp.StatusCode == 404 { |
| 246 | + return errors.New("App not found") |
| 247 | + } else if resp.StatusCode != 200 { |
| 248 | + return errors.Errorf("Unexpected status code: %d", resp.StatusCode) |
| 249 | + } |
| 250 | + |
| 251 | + return nil |
| 252 | +} |
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