@alsew_/strapi-plugin-migration/server/migrationProcess.js

Strapi migration plugin for cms

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.migrationsProcess = migrationsProcess;
exports.updateMigrationsGlobalStatus = updateMigrationsGlobalStatus;
const checkForMigrations_1 = require("./checkForMigrations");
const delay_1 = require("./utils/delay");
/**
 * When a docker node is starting, it will check if there are migrations to process
 * In the case there are multiple replicas, only one will process the migrations
 */
async function migrationsProcess() {
    // If there are migrations to process and the status is not pending, set the status to pending
    if ((await (0, checkForMigrations_1.checkForMigrationsToProcess)()) &&
        (await getMigrationsGlobalStatus()) === 'not_started') {
        await updateMigrationsGlobalStatus('pending');
    }
    const migrationsGlobalStatus = await getMigrationsGlobalStatus();
    switch (true) {
        case migrationsGlobalStatus === 'pending':
            await updateMigrationsGlobalStatus('processing');
            return {
                canProcessMigrations: true,
            };
        case migrationsGlobalStatus === 'processing':
            await checkIfMigrationHasFailOrComplete();
            return {
                canProcessMigrations: false,
            };
        case migrationsGlobalStatus === 'completed':
            return {
                canProcessMigrations: false,
            };
        case migrationsGlobalStatus === 'fail':
            throw new Error('Migration failed');
        default:
            return {
                canProcessMigrations: false,
            };
    }
}
/**
 * Get the global migrations status shared between all the replicas
 */
async function getMigrationsGlobalStatus() {
    const knex = strapi.db.connection;
    const [migrationConfig] = await knex('cms_migrations_config')
        .select('status')
        .where({ id: 1 });
    return migrationConfig.status;
}
/**
 * Update the global migrations status shared between all the replicas
 */
async function updateMigrationsGlobalStatus(status) {
    const knex = strapi.db.connection;
    await knex('cms_migrations_config')
        .update({
        status: status,
    })
        .where({ id: 1 });
}
/**
 * Check every second if the migrations have failed or completed on the node that is processing them,
 * to kill the current replica if the migrations have failed
 */
async function checkIfMigrationHasFailOrComplete() {
    const migrationStatus = await getMigrationsGlobalStatus();
    if (migrationStatus === 'fail') {
        throw new Error('Migration failed');
    }
    if (migrationStatus === 'completed') {
        return;
    }
    await (0, delay_1.delay)(1000);
    await checkIfMigrationHasFailOrComplete();
}