feat(cli): add support for "reporter" plugins and include a default reporter

This commit is contained in:
Joakim Carlstein 2023-11-16 15:01:05 +01:00
parent b61072a3b6
commit 8f35812fed
5 changed files with 286 additions and 61 deletions

View file

@ -0,0 +1,39 @@
import { type ReporterPlugin } from '@emigrate/plugin-tools/types';
const reporterDefault: ReporterPlugin = {
onInit({ dry, directory }) {
console.log(`Running migrations in: ${directory}${dry ? ' (dry run)' : ''}`);
},
onCollectedMigrations(migrations) {
console.log(`Found ${migrations.length} pending migrations`);
},
onLockedMigrations(migrations) {
console.log(`Locked ${migrations.length} migrations`);
},
onMigrationStart(migration) {
console.log(`- ${migration.relativeFilePath} (running)`);
},
onMigrationSuccess(migration) {
console.log(`- ${migration.relativeFilePath} (success) [${migration.duration}ms]`);
},
onMigrationError(migration, error) {
console.error(`- ${migration.relativeFilePath} (failed!) [${migration.duration}ms]`);
console.error(error.cause ?? error);
},
onMigrationSkip(migration) {
console.log(`- ${migration.relativeFilePath} (skipped)`);
},
onFinished(migrations, error) {
const totalDuration = migrations.reduce((total, migration) => total + migration.duration, 0);
if (error) {
console.error('Failed to run migrations! [total duration: %dms]', totalDuration);
console.error(error.cause ?? error);
return;
}
console.log(`Successfully ran ${migrations.length} migrations! [total duration: ${totalDuration}ms]`);
},
};
export default reporterDefault;

View file

@ -1,6 +1,14 @@
import process from 'node:process';
import { getOrLoadPlugin, getOrLoadPlugins } from '@emigrate/plugin-tools';
import { type LoaderPlugin, type MigrationFunction } from '@emigrate/plugin-tools/types';
import {
type LoaderPlugin,
type MigrationFunction,
type Plugin,
type PluginType,
type PluginFromType,
type MigrationMetadata,
type MigrationMetadataFinished,
} from '@emigrate/plugin-tools/types';
import {
BadOptionError,
EmigrateError,
@ -12,26 +20,45 @@ import {
import { type Config } from './types.js';
import { stripLeadingPeriod } from './strip-leading-period.js';
import pluginLoaderJs from './plugin-loader-js.js';
import pluginReporterDefault from './plugin-reporter-default.js';
type ExtraFlags = {
dry?: boolean;
};
export default async function upCommand({ directory, dry, plugins = [] }: Config & ExtraFlags) {
const requirePlugin = async <T extends PluginType>(
type: T,
plugins: Array<Plugin | string>,
): Promise<PluginFromType<T>> => {
const plugin = await getOrLoadPlugin(type, plugins);
if (!plugin) {
throw new BadOptionError(
'plugin',
`No ${type} plugin found, please specify a ${type} plugin using the plugin option`,
);
}
return plugin;
};
const getDuration = (start: [number, number]) => {
const [seconds, nanoseconds] = process.hrtime(start);
return seconds * 1000 + nanoseconds / 1_000_000;
};
export default async function upCommand({ directory, dry = false, plugins = [] }: Config & ExtraFlags) {
if (!directory) {
throw new MissingOptionError('directory');
}
const storagePlugin = await getOrLoadPlugin('storage', plugins);
if (!storagePlugin) {
throw new BadOptionError(
'plugin',
'No storage plugin found, please specify a storage plugin using the plugin option',
);
}
const cwd = process.cwd();
const storagePlugin = await requirePlugin('storage', plugins);
const storage = await storagePlugin.initializeStorage();
const reporter = await requirePlugin('reporter', [pluginReporterDefault, ...plugins]);
await reporter.onInit?.({ cwd, dry, directory });
const path = await import('node:path');
const fs = await import('node:fs/promises');
@ -39,26 +66,41 @@ export default async function upCommand({ directory, dry, plugins = [] }: Config
withFileTypes: true,
});
const migrationFiles = allFilesInMigrationDirectory
const migrationFiles: MigrationMetadata[] = allFilesInMigrationDirectory
.filter((file) => file.isFile() && !file.name.startsWith('.') && !file.name.startsWith('_'))
.sort((a, b) => a.name.localeCompare(b.name))
.map((file) => file.name);
.map(({ name }) => {
const filePath = path.resolve(process.cwd(), directory, name);
return {
name,
filePath,
relativeFilePath: path.relative(cwd, filePath),
extension: stripLeadingPeriod(path.extname(name)),
directory,
cwd,
};
});
let migrationHistoryError: MigrationHistoryError | undefined;
for await (const migrationHistoryEntry of storage.getHistory()) {
if (migrationHistoryEntry.status === 'failed') {
throw new MigrationHistoryError(
migrationHistoryError = new MigrationHistoryError(
`Migration ${migrationHistoryEntry.name} is in a failed state, please fix it first`,
migrationHistoryEntry,
);
}
if (migrationFiles.includes(migrationHistoryEntry.name)) {
migrationFiles.splice(migrationFiles.indexOf(migrationHistoryEntry.name), 1);
const index = migrationFiles.findIndex((migrationFile) => migrationFile.name === migrationHistoryEntry.name);
if (index !== -1) {
migrationFiles.splice(index, 1);
}
}
const migrationFileExtensions = new Set(migrationFiles.map((file) => stripLeadingPeriod(path.extname(file))));
const loaderPlugins = await getOrLoadPlugins('loader', [...plugins, pluginLoaderJs]);
const migrationFileExtensions = new Set(migrationFiles.map((migration) => migration.extension));
const loaderPlugins = await getOrLoadPlugins('loader', [pluginLoaderJs, ...plugins]);
const loaderByExtension = new Map<string, LoaderPlugin | undefined>(
[...migrationFileExtensions].map(
@ -78,10 +120,19 @@ export default async function upCommand({ directory, dry, plugins = [] }: Config
}
}
if (dry) {
console.log('Pending migrations:');
console.log(migrationFiles.map((file) => ` - ${file}`).join('\n'));
console.log('\nDry run, exiting...');
await reporter.onCollectedMigrations?.(migrationFiles);
if (migrationFiles.length === 0 || dry || migrationHistoryError) {
await reporter.onLockedMigrations?.([]);
for await (const migration of migrationFiles) {
await reporter.onMigrationSkip?.(migration);
}
await reporter.onFinished?.(
migrationFiles.map((migration) => ({ ...migration, status: 'skipped', duration: 0 })),
migrationHistoryError,
);
return;
}
@ -104,48 +155,70 @@ export default async function upCommand({ directory, dry, plugins = [] }: Config
process.on('SIGINT', cleanup);
process.on('SIGTERM', cleanup);
const finishedMigrations: MigrationMetadataFinished[] = [];
try {
for await (const name of lockedMigrationFiles) {
console.log(' -', name, '...');
for await (const migration of lockedMigrationFiles) {
const lastMigrationStatus = finishedMigrations.at(-1)?.status;
const extension = stripLeadingPeriod(path.extname(name));
const cwd = process.cwd();
const filePath = path.resolve(cwd, directory, name);
const relativeFilePath = path.relative(cwd, filePath);
const loader = loaderByExtension.get(extension)!;
const metadata = { name, filePath, relativeFilePath, cwd, directory, extension };
if (lastMigrationStatus === 'failed' || lastMigrationStatus === 'skipped') {
await reporter.onMigrationSkip?.(migration);
finishedMigrations.push({ ...migration, status: 'skipped', duration: 0 });
continue;
}
let migration: MigrationFunction;
await reporter.onMigrationStart?.(migration);
const loader = loaderByExtension.get(migration.extension)!;
const start = process.hrtime();
let migrationFunction: MigrationFunction;
try {
try {
migration = await loader.loadMigration(metadata);
migrationFunction = await loader.loadMigration(migration);
} catch (error) {
throw new MigrationLoadError(`Failed to load migration file: ${relativeFilePath}`, metadata, {
throw new MigrationLoadError(`Failed to load migration file: ${migration.relativeFilePath}`, migration, {
cause: error,
});
}
await migration();
await migrationFunction();
console.log(' -', name, 'done');
const duration = getDuration(start);
const finishedMigration: MigrationMetadataFinished = { ...migration, status: 'done', duration };
await storage.onSuccess(name);
await storage.onSuccess(finishedMigration);
await reporter.onMigrationSuccess?.(finishedMigration);
finishedMigrations.push(finishedMigration);
} catch (error) {
const errorInstance = error instanceof Error ? error : new Error(String(error));
let errorInstance = error instanceof Error ? error : new Error(String(error));
console.error(' -', name, 'failed:', errorInstance.message);
await storage.onError(name, errorInstance);
if (!(error instanceof EmigrateError)) {
throw new MigrationRunError(`Failed to run migration: ${relativeFilePath}`, metadata, { cause: error });
if (!(errorInstance instanceof EmigrateError)) {
errorInstance = new MigrationRunError(`Failed to run migration: ${migration.relativeFilePath}`, migration, {
cause: error,
});
}
throw error;
const duration = getDuration(start);
const finishedMigration: MigrationMetadataFinished = {
...migration,
status: 'done',
duration,
error: errorInstance,
};
await storage.onError(finishedMigration, errorInstance);
await reporter.onMigrationError?.(finishedMigration, errorInstance);
finishedMigrations.push(finishedMigration);
}
}
} finally {
const firstError = finishedMigrations.find((migration) => migration.status === 'failed')?.error;
await reporter.onFinished?.(finishedMigrations, firstError);
await cleanup();
}
}

View file

@ -6,6 +6,7 @@ import {
type StoragePlugin,
type Plugin,
type LoaderPlugin,
type ReporterPlugin,
} from './types.js';
export const isGeneratorPlugin = (plugin: any): plugin is GeneratorPlugin => {
@ -32,6 +33,25 @@ export const isLoaderPlugin = (plugin: any): plugin is LoaderPlugin => {
return typeof plugin.loadMigration === 'function' && Array.isArray(plugin.loadableExtensions);
};
export const isReporterPlugin = (plugin: any): plugin is ReporterPlugin => {
if (!plugin || typeof plugin !== 'object') {
return false;
}
const reporterFunctions = [
'onInit',
'onCollectedMigrations',
'onLockedMigrations',
'onMigrationStart',
'onMigrationSuccess',
'onMigrationError',
'onMigrationSkip',
'onFinished',
];
return reporterFunctions.some((fn) => typeof plugin[fn] === 'function');
};
export const isPluginOfType = <T extends PluginType>(type: T, plugin: any): plugin is PluginFromType<T> => {
if (type === 'generator') {
return isGeneratorPlugin(plugin);
@ -45,6 +65,10 @@ export const isPluginOfType = <T extends PluginType>(type: T, plugin: any): plug
return isLoaderPlugin(plugin);
}
if (type === 'reporter') {
return isReporterPlugin(plugin);
}
throw new Error(`Unknown plugin type: ${type}`);
};
@ -52,7 +76,9 @@ export const getOrLoadPlugin = async <T extends PluginType>(
type: T,
plugins: Array<Plugin | string>,
): Promise<PluginFromType<T> | undefined> => {
for await (const plugin of plugins) {
const reversePlugins = [...plugins].reverse();
for await (const plugin of reversePlugins) {
if (isPluginOfType(type, plugin)) {
return plugin;
}
@ -72,8 +98,9 @@ export const getOrLoadPlugins = async <T extends PluginType>(
plugins: Array<Plugin | string>,
): Promise<Array<PluginFromType<T>>> => {
const result: Array<PluginFromType<T>> = [];
const reversePlugins = [...plugins].reverse();
for await (const plugin of plugins) {
for await (const plugin of reversePlugins) {
if (isPluginOfType(type, plugin)) {
result.push(plugin);
continue;

View file

@ -1,3 +1,5 @@
type Awaitable<T> = T | PromiseLike<T>;
export type MigrationStatus = 'failed' | 'done';
export type MigrationHistoryEntry = {
@ -19,7 +21,7 @@ export type Storage = {
*
* @returns The migrations that were successfully locked.
*/
lock(migrations: string[]): Promise<string[]>;
lock(migrations: MigrationMetadata[]): Promise<MigrationMetadata[]>;
/**
* The unlock method is called after all migrations have been executed or when the process is interrupted (e.g. by a SIGTERM or SIGINT signal).
*
@ -27,7 +29,7 @@ export type Storage = {
*
* @param migrations The previously successfully locked migrations that should now be unlocked.
*/
unlock(migrations: string[]): Promise<void>;
unlock(migrations: MigrationMetadata[]): Promise<void>;
/**
* Get the history of previously executed migrations.
*
@ -46,14 +48,14 @@ export type Storage = {
*
* @param migration The name of the migration that should be marked as done.
*/
onSuccess(migration: string): Promise<void>;
onSuccess(migration: MigrationMetadataFinished): Promise<void>;
/**
* Called when a migration has failed.
*
* @param migration The name of the migration that should be marked as failed.
* @param error The error that caused the migration to fail.
*/
onError(migration: string, error: Error): Promise<void>;
onError(migration: MigrationMetadataFinished, error: Error): Promise<void>;
};
export type StoragePlugin = {
@ -87,7 +89,7 @@ export type GeneratorPlugin = {
export type GenerateMigrationFunction = GeneratorPlugin['generateMigration'];
export type MigrationFunction = () => Promise<void>;
export type MigrationFunction = () => Awaitable<void>;
export type MigrationMetadata = {
/**
@ -126,6 +128,12 @@ export type MigrationMetadata = {
extension: string;
};
export type MigrationMetadataFinished = MigrationMetadata & {
status: MigrationStatus | 'skipped';
duration: number;
error?: Error;
};
export type LoaderPlugin = {
/**
* The file extensions that this plugin can load.
@ -137,17 +145,89 @@ export type LoaderPlugin = {
* @param migration Some metadata about the migration file that should be loaded.
* @returns A function that will execute the migration.
*/
loadMigration(migration: MigrationMetadata): Promise<MigrationFunction>;
loadMigration(migration: MigrationMetadata): Awaitable<MigrationFunction>;
};
export type Plugin = StoragePlugin | GeneratorPlugin | LoaderPlugin;
type InitParameters = {
/**
* The directory where the migration files are located
*/
directory: string;
/**
* The current working directory (the same as process.cwd())
*/
cwd: string;
/**
* Specifies whether the migration process is a dry run or not.
*/
dry: boolean;
};
export type PluginType = 'storage' | 'generator' | 'loader';
export type ReporterPlugin = Partial<{
/**
* Called when the plugin is initialized, which happens before the migrations are collected.
*/
onInit(parameters: InitParameters): Awaitable<void>;
/**
* Called when all pending migrations that should be executed have been collected.
*
* @param migrations The pending migrations that will be executed.
*/
onCollectedMigrations(migrations: MigrationMetadata[]): Awaitable<void>;
/**
* Called when the migrations have been successfully locked.
*
* Usually the migrations passed to this method are the same as the migrations passed to the onCollectedMigrations method,
* but in case of a concurrent migration attempt, some or all migrations might already be locked by another process.
*
* @param migrations The migrations that have been successfully locked so they can be executed.
*/
onLockedMigrations(migrations: MigrationMetadata[]): Awaitable<void>;
/**
* Called when a migration is about to be executed.
*
* @param migration Information about the migration that is about to be executed.
*/
onMigrationStart(migration: MigrationMetadata): Awaitable<void>;
/**
* Called when a migration has been successfully executed.
*
* @param migration Information about the migration that was executed.
*/
onMigrationSuccess(migration: MigrationMetadataFinished): Awaitable<void>;
/**
* Called when a migration has failed.
*
* @param migration Information about the migration that failed.
* @param error The error that caused the migration to fail.
*/
onMigrationError(migration: MigrationMetadataFinished, error: Error): Awaitable<void>;
/**
* Called when a migration has been skipped because a previous migration failed, it couldn't be successfully locked, or in case of a dry run.
*
* @param migration Information about the migration that was skipped.
*/
onMigrationSkip(migration: MigrationMetadata): Awaitable<void>;
/**
* Called when the migration process has finished.
*
* This is called either after all migrations have been executed successfully, at the end of a dry run, or when a migration has failed.
*
* @param migrations Information about all migrations that were executed, their status and any error that occurred.
* @param error If the migration process failed, this will be the error that caused the failure.
*/
onFinished(migrations: MigrationMetadataFinished[], error?: Error): Awaitable<void>;
}>;
export type PluginFromType<T extends PluginType> = T extends 'storage'
? StoragePlugin
: T extends 'generator'
? GeneratorPlugin
: T extends 'loader'
? LoaderPlugin
: never;
export type Plugin = StoragePlugin | GeneratorPlugin | LoaderPlugin | ReporterPlugin;
type PluginTypeMap = {
storage: StoragePlugin;
generator: GeneratorPlugin;
loader: LoaderPlugin;
reporter: ReporterPlugin;
};
export type PluginType = keyof PluginTypeMap;
export type PluginFromType<T extends PluginType> = PluginTypeMap[T];