hosty/dist/blocks/build_repo.js

A code based opinionated way to self-host and manage web apps.

import path from 'path';
import * as YAML from 'yaml';
import { block } from './block.js';
import { builtin } from '../ansible/tasks/index.js';
import { create_directory } from './create_directory.js';
export function build_repo(config) {
    const source_path = path.join(config.service_dir, 'source.yaml');
    const source_content = { repo: config.repo_url, branch: config.branch, commit: '{{commit_hash}}', path: config.path };
    const build_path = config.path ? path.join('{{clone_dir.path}}', config.path) : '{{clone_dir.path}}';
    return block(`Clone and build repo: ${config.repo_url}`, {}, [
        create_directory(config.service_dir),
        builtin.command(`Get last commit hash`, { cmd: `git ls-remote ${config.repo_url} ${config.branch}` }, { register: 'git_ls_remote' }),
        builtin.set_facts(`Set commit hash in a var`, { commit_hash: `{{git_ls_remote.stdout.split()[0]}}` }),
        builtin.copy(`Write the source info`, { content: YAML.stringify(source_content), dest: source_path }, { register: 'source_file' }),
        builtin.set_facts(`Set source changed fact`, { [config.facts.source_changed]: '{{source_file.changed}}' }),
        builtin.tempfile(`Create a temp dir to clone the repo`, { state: 'directory' }, { register: 'clone_dir', when: 'source_file.changed' }),
        builtin.git(`Clone the repo`, { repo: config.repo_url, version: config.branch, accept_hostkey: true, dest: '{{clone_dir.path}}' }, { when: 'source_file.changed' }),
        builtin.copy(`Create .env file`, {
            content: Object.entries(config.env || {})
                .map(([key, value]) => `${key}=${value}`)
                .join('\n'),
            dest: path.join(build_path, '.env'),
        }, { when: 'source_file.changed' }),
        builtin.stat(`Check if Dockerfile exists`, { path: path.join(build_path, 'Dockerfile') }, { register: 'dockerfile', when: 'source_file.changed' }),
        builtin.command(`Build the app using Dockerfile`, { cmd: `docker build -t ${config.image_name} ${build_path}` }, { when: 'source_file.changed and dockerfile.stat.exists' }),
        builtin.command(`Build the app using nixpacks`, { cmd: `nixpacks build ${build_path} --name ${config.image_name}` }, { when: 'source_file.changed and not dockerfile.stat.exists' }),
        builtin.file(`Delete clone dir`, { path: '{{clone_dir.path}}', state: 'absent' }, { when: 'source_file.changed' }),
    ]).get();
}
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