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* create preview elements * implement apply * add testing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| import { V1Namespace, V1ObjectMeta } from '@kubernetes/client-node'; | ||
| import { async } from 'fast-glob'; | ||
| import { readFile } from 'fs-extra'; | ||
| import { EOL } from 'os'; | ||
| import { posix } from 'path'; | ||
| import { Arguments, Argv, CommandModule } from 'yargs'; | ||
|
|
||
| import { RootArguments } from '../../root-arguments'; | ||
| import { envsubst } from '../../utils/envsubst'; | ||
| import { exec } from '../../utils/exec'; | ||
| import { ExitCode } from '../../utils/exit-code'; | ||
| import { KubernetesApi } from '../../utils/kubernetes-api'; | ||
| import { Logger } from '../../utils/logger'; | ||
| import { kubeConfigCommand } from '../kube-config'; | ||
|
|
||
| type PreviewDeployArguments = RootArguments & { | ||
| name: string; | ||
| sourceFolder: string; | ||
| prefix: string; | ||
| kubeConfig?: string; | ||
| }; | ||
|
|
||
| const logger = new Logger('preview deployment'); | ||
|
|
||
| async function createNamespace(api: KubernetesApi, name: string): Promise<void> { | ||
| try { | ||
| logger.info(`Create preview namespace "${name}".`); | ||
| await api.core.readNamespace(name); | ||
| logger.info(`Namespace "${name}" already exists.`); | ||
| } catch (e) { | ||
| if (e.response.statusCode !== 404) { | ||
| throw e; | ||
| } | ||
|
|
||
| await api.core.createNamespace({ | ||
| ...new V1Namespace(), | ||
| apiVersion: 'v1', | ||
| kind: 'Namespace', | ||
| metadata: { | ||
| ...new V1ObjectMeta(), | ||
| name, | ||
| }, | ||
| }); | ||
| logger.success(`Created namespace "${name}".`); | ||
| } | ||
| } | ||
|
|
||
| export const previewDeployCommand: CommandModule<RootArguments, PreviewDeployArguments> = { | ||
| command: 'preview-deploy <name> [sourceFolder]', | ||
| aliases: 'prev-dep', | ||
| describe: | ||
| 'Create opinionated preview deployment. This command creates a namespace ' + | ||
| 'and deploys the application in the given namespace.', | ||
|
|
||
| builder: (argv: Argv<RootArguments>) => | ||
| argv | ||
| .option('prefix', { | ||
| string: true, | ||
| description: 'Defines the prefix for the namespace name.', | ||
| default: 'prev-', | ||
| }) | ||
| .option('kube-config', { | ||
| string: true, | ||
| description: 'Define the kube config to use for namespace creation. Defaults to $KUBE_CONFIG variable.', | ||
| }) | ||
| .positional('name', { | ||
| description: 'Name of the preview namespace.', | ||
| type: 'string', | ||
| }) | ||
| .positional('sourceFolder', { | ||
| description: 'Folder to search for yaml files.', | ||
| type: 'string', | ||
| default: './k8s/', | ||
| }) as Argv<PreviewDeployArguments>, | ||
|
|
||
| async handler(args: Arguments<PreviewDeployArguments>): Promise<void> { | ||
| if (args.getYargsCompletions) { | ||
| return; | ||
| } | ||
|
|
||
| logger.debug('Execute preview deployment'); | ||
|
|
||
| const name = `${args.prefix}${args.name}`; | ||
| if (name.length > 64) { | ||
| logger.error(`Name of the namespace "${name}" is too long (max: 64 characters, is: ${args.name.length})`); | ||
| process.exit(ExitCode.error); | ||
| return; | ||
| } | ||
|
|
||
| const api = args.kubeConfig ? | ||
| KubernetesApi.fromString(args.kubeConfig.isBase64() ? args.kubeConfig.base64Decode() : args.kubeConfig) : | ||
| KubernetesApi.fromDefault(); | ||
|
|
||
| await createNamespace(api, name); | ||
|
|
||
| const files = await async<string>(['**/*.{yml,yaml}'], { | ||
| cwd: args.sourceFolder, | ||
| }); | ||
| logger.debug(`Found ${files.length} files for processing.`); | ||
|
|
||
| const yamls = (await Promise.all(files.map(async f => await readFile(posix.join(args.sourceFolder, f), 'utf8')))) | ||
| .map(yaml => envsubst(yaml)) | ||
| .join(`${EOL}---${EOL}`); | ||
|
|
||
| await kubeConfigCommand.handler({ | ||
| ...args, | ||
| configContent: args.kubeConfig, | ||
| noInteraction: true, | ||
| force: args.ci, | ||
| }); | ||
|
|
||
| logger.debug('Executing <echo "templates" | kubectl -n <name> apply -f ->'); | ||
| try { | ||
| const result = await exec(`echo "${yamls}" | kubectl -n ${name} apply -f -`); | ||
| logger.info(result); | ||
| } catch (e) { | ||
| logger.error(`Error: ${e}`); | ||
| process.exit(ExitCode.error); | ||
| return; | ||
| } | ||
|
|
||
| logger.success(`Preview Deployment applied to namespace "${name}".`); | ||
| }, | ||
| }; |
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