@aws-amplify/cli-internal/lib/commands/gen2-migration.js

Amplify CLI

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.run = void 0;
const amplify_cli_core_1 = require("@aws-amplify/amplify-cli-core");
const amplify_prompts_1 = require("@aws-amplify/amplify-prompts");
const generate_1 = require("./gen2-migration/generate");
const lock_1 = require("./gen2-migration/lock");
const refactor_1 = require("./gen2-migration/refactor");
const spinning_logger_1 = require("./gen2-migration/_common/spinning-logger");
const chalk_1 = __importDefault(require("chalk"));
const assess_1 = require("./gen2-migration/assess");
const gen1_app_1 = require("./gen2-migration/_common/gen1-app");
const validations_1 = require("./gen2-migration/_common/validations");
const retain_1 = require("./gen2-migration/retain");
const STEPS = {
    lock: {
        class: lock_1.AmplifyMigrationLockStep,
        description: 'Locks your Gen1 environment to prevent updates during migration',
    },
    generate: {
        class: generate_1.AmplifyMigrationGenerateStep,
        description: 'Generates Gen2 application code from your existing Gen1 environment',
    },
    refactor: {
        class: refactor_1.AmplifyMigrationRefactorStep,
        description: 'Moves stateful resources from your Gen1 CloudFormation stacks to your Gen2 stacks',
    },
    retain: {
        class: retain_1.AmplifyMigrationRetainStep,
        description: 'Apply retain to every resource in every Gen1 stack below the root',
    },
};
const run = async (context) => {
    var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k;
    const stepName = ((_a = context.input.subCommands) !== null && _a !== void 0 ? _a : [])[0];
    const step = STEPS[stepName];
    if (!step && stepName !== 'assess') {
        displayHelp(context);
        return;
    }
    shiftParams(context);
    const skipValidations = (_c = ((_b = context.input.options) !== null && _b !== void 0 ? _b : {})['skip-validations']) !== null && _c !== void 0 ? _c : false;
    const validationsOnly = (_e = ((_d = context.input.options) !== null && _d !== void 0 ? _d : {})['validations-only']) !== null && _e !== void 0 ? _e : false;
    const rollingBack = (_g = ((_f = context.input.options) !== null && _f !== void 0 ? _f : {})['rollback']) !== null && _g !== void 0 ? _g : false;
    const disableAutoRollback = (_j = ((_h = context.input.options) !== null && _h !== void 0 ? _h : {})['no-rollback']) !== null && _j !== void 0 ? _j : false;
    const additionalStatefulResources = ((_k = context.parameters.options) !== null && _k !== void 0 ? _k : {})['additional-stateful-resource-types'];
    if (skipValidations && validationsOnly) {
        throw new amplify_cli_core_1.AmplifyError('InputValidationError', {
            message: 'Cannot specify both --skip-validations and --validation-only',
        });
    }
    if (rollingBack && disableAutoRollback) {
        throw new amplify_cli_core_1.AmplifyError('InputValidationError', {
            message: 'Cannot specify both --rollback and --no-rollback',
        });
    }
    const gen1App = await gen1_app_1.Gen1App.create(context, additionalStatefulResources);
    const logger = new spinning_logger_1.SpinningLogger(`${stepName}] [${gen1App.appName}/${gen1App.envName}`, { debug: amplify_prompts_1.isDebug });
    if (stepName === 'assess') {
        const assessor = new assess_1.AmplifyMigrationAssessor(gen1App, logger);
        assessor.run();
        return;
    }
    const validations = new validations_1.AmplifyGen2MigrationValidations(logger, gen1App, context);
    const implementation = new step.class(logger, gen1App, context, validations);
    amplify_prompts_1.printer.blankLine();
    logger.start('Planning');
    let plan;
    try {
        plan = rollingBack ? await implementation.rollback() : await implementation.forward();
        logger.succeed('→ Planning complete');
    }
    catch (error) {
        logger.failed('→ Planning failed');
        amplify_prompts_1.printer.blankLine();
        throw error;
    }
    if (!skipValidations) {
        const passed = await plan.validate();
        if (!passed) {
            const skipCommand = `amplify ${context.input.argv.join(' ').trim()} --skip-validations`;
            amplify_prompts_1.printer.blankLine();
            throw new amplify_cli_core_1.AmplifyError('PreflightValidationError', {
                message: 'Validations failed',
                resolution: `Resolve the validation errors or skip them by running '${skipCommand}'`,
            });
        }
    }
    if (validationsOnly)
        return;
    amplify_prompts_1.printer.blankLine();
    amplify_prompts_1.printer.info(chalk_1.default.yellow(`You are about to ${rollingBack ? 'rollback' : 'execute'} '${stepName}' on environment '${gen1App.appName}/${gen1App.envName}'.`));
    amplify_prompts_1.printer.blankLine();
    await plan.describe();
    if (!rollingBack) {
        amplify_prompts_1.printer.info(chalk_1.default.grey(`(You can rollback this command by running: 'amplify gen2-migration ${stepName} --rollback')`));
        amplify_prompts_1.printer.blankLine();
    }
    amplify_prompts_1.printer.info(chalk_1.default.yellow('⚠️  This command is in developer preview. For more information, visit https://docs.amplify.aws/react/start/migrate-to-gen2'));
    amplify_prompts_1.printer.blankLine();
    if (!(await amplify_prompts_1.prompter.confirmContinue())) {
        return;
    }
    amplify_prompts_1.printer.blankLine();
    try {
        await plan.execute();
        return;
    }
    catch (error) {
        if (!rollingBack && !disableAutoRollback) {
            amplify_prompts_1.printer.blankLine();
            amplify_prompts_1.printer.error(`Failed: ${error}`);
            amplify_prompts_1.printer.blankLine();
            const rollbackPlan = await implementation.rollback();
            await rollbackPlan.execute();
        }
        throw error;
    }
};
exports.run = run;
function shiftParams(context) {
    delete context.parameters.first;
    delete context.parameters.second;
    delete context.parameters.third;
    const { subCommands } = context.input;
    if (subCommands && subCommands.length > 1) {
        context.parameters.first = subCommands[1];
        if (subCommands.length > 2) {
            context.parameters.second = subCommands[2];
        }
        if (subCommands.length > 3) {
            context.parameters.third = subCommands[3];
        }
    }
}
function displayHelp(context) {
    const commands = [
        { name: 'assess', description: 'Assesses migration readiness for your Gen1 environment' },
        ...Object.entries(STEPS).map(([name, v]) => ({ name, description: v.description })),
    ];
    context.amplify.showHelp('amplify gen2-migration <subcommands>', commands);
    amplify_prompts_1.printer.info('');
}
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