mirror of
https://github.com/Crosstalk-Solutions/project-nomad.git
synced 2026-03-28 03:29:25 +01:00
400 lines
13 KiB
TypeScript
400 lines
13 KiB
TypeScript
import Service from '#models/service'
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import Docker from 'dockerode'
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import logger from '@adonisjs/core/services/logger'
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import { inject } from '@adonisjs/core'
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import { ServiceStatus } from '../../types/services.js'
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import transmit from '@adonisjs/transmit/services/main'
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import { doSimpleDownload } from '../utils/downloads.js'
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import path from 'path'
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@inject()
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export class DockerService {
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private docker: Docker
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public static KIWIX_SERVICE_NAME = 'nomad_kiwix_serve'
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public static OLLAMA_SERVICE_NAME = 'nomad_ollama'
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public static OPEN_WEBUI_SERVICE_NAME = 'nomad_open_webui'
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public static CYBERCHEF_SERVICE_NAME = 'nomad_cyberchef'
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public static FLATNOTES_SERVICE_NAME = 'nomad_flatnotes'
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public static KOLIBRI_SERVICE_NAME = 'nomad_kolibri'
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public static NOMAD_STORAGE_ABS_PATH = '/opt/project-nomad/storage'
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constructor() {
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this.docker = new Docker({ socketPath: '/var/run/docker.sock' })
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}
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async affectContainer(
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serviceName: string,
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action: 'start' | 'stop' | 'restart'
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): Promise<{ success: boolean; message: string }> {
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try {
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const service = await Service.query().where('service_name', serviceName).first()
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if (!service || !service.installed) {
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return {
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success: false,
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message: `Service ${serviceName} not found or not installed`,
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}
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}
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const containers = await this.docker.listContainers({ all: true })
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const container = containers.find((c) => c.Names.includes(`/${serviceName}`))
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if (!container) {
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return {
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success: false,
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message: `Container for service ${serviceName} not found`,
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}
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}
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const dockerContainer = this.docker.getContainer(container.Id)
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if (action === 'stop') {
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await dockerContainer.stop()
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return {
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success: true,
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message: `Service ${serviceName} stopped successfully`,
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}
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}
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if (action === 'restart') {
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await dockerContainer.restart()
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return {
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success: true,
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message: `Service ${serviceName} restarted successfully`,
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}
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}
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if (action === 'start') {
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if (container.State === 'running') {
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return {
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success: true,
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message: `Service ${serviceName} is already running`,
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}
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}
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await dockerContainer.start()
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return {
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success: true,
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message: `Service ${serviceName} started successfully`,
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}
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}
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return {
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success: false,
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message: `Invalid action: ${action}. Use 'start', 'stop', or 'restart'.`,
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}
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} catch (error) {
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logger.error(`Error starting service ${serviceName}: ${error.message}`)
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return {
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success: false,
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message: `Failed to start service ${serviceName}: ${error.message}`,
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}
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}
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}
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async getServicesStatus(): Promise<
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{
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service_name: string
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status: ServiceStatus
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}[]
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> {
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try {
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const services = await Service.query().where('installed', true)
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if (!services || services.length === 0) {
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return []
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}
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const containers = await this.docker.listContainers({ all: true })
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const containerMap = new Map<string, Docker.ContainerInfo>()
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containers.forEach((container) => {
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const name = container.Names[0].replace('/', '')
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if (name.startsWith('nomad_')) {
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containerMap.set(name, container)
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}
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})
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const getStatus = (state: string): ServiceStatus => {
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switch (state) {
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case 'running':
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return 'running'
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case 'exited':
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case 'created':
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case 'paused':
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return 'stopped'
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default:
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return 'unknown'
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}
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}
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return Array.from(containerMap.entries()).map(([name, container]) => ({
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service_name: name,
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status: getStatus(container.State),
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}))
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} catch (error) {
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console.error(`Error fetching services status: ${error.message}`)
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return []
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}
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}
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async createContainerPreflight(
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serviceName: string
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): Promise<{ success: boolean; message: string }> {
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const service = await Service.query().where('service_name', serviceName).first()
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if (!service) {
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return {
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success: false,
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message: `Service ${serviceName} not found`,
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}
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}
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if (service.installed) {
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return {
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success: false,
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message: `Service ${serviceName} is already installed`,
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}
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}
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// Check if a service wasn't marked as installed but has an existing container
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// This can happen if the service was created but not properly installed
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// or if the container was removed manually without updating the service status.
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// if (await this._checkIfServiceContainerExists(serviceName)) {
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// const removeResult = await this._removeServiceContainer(serviceName);
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// if (!removeResult.success) {
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// return {
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// success: false,
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// message: `Failed to remove existing container for service ${serviceName}: ${removeResult.message}`,
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// };
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// }
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// }
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const containerConfig = this._parseContainerConfig(service.container_config)
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this._createContainer(service, containerConfig) // Don't await this method - we will use server-sent events to notify the client of progress
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return {
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success: true,
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message: `Service ${serviceName} installation initiated successfully. You can receive updates via server-sent events.`,
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}
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}
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/**
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* Handles the long-running process of creating a Docker container for a service.
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* NOTE: This method should not be called directly. Instead, use `createContainerPreflight` to check prerequisites first
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* and return an HTTP response to the client, if needed. This method will then transmit server-sent events to the client
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* to notify them of the progress.
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* @param serviceName
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* @returns
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*/
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async _createContainer(
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service: Service & { dependencies?: Service[] },
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containerConfig: any
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): Promise<void> {
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try {
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this._broadcast(service.service_name, 'initializing', '')
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let dependencies = []
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if (service.depends_on) {
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const dependency = await Service.query().where('service_name', service.depends_on).first()
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if (dependency) {
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dependencies.push(dependency)
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}
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}
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// First, check if the service has any dependencies that need to be installed first
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if (dependencies && dependencies.length > 0) {
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this._broadcast(
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service.service_name,
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'checking-dependencies',
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`Checking dependencies for service ${service.service_name}...`
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)
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for (const dependency of dependencies) {
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if (!dependency.installed) {
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this._broadcast(
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service.service_name,
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'dependency-not-installed',
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`Dependency service ${dependency.service_name} is not installed. Installing it first...`
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)
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await this._createContainer(
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dependency,
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this._parseContainerConfig(dependency.container_config)
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)
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} else {
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this._broadcast(
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service.service_name,
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'dependency-installed',
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`Dependency service ${dependency.service_name} is already installed.`
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)
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}
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}
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}
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// Start pulling the Docker image and wait for it to complete
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const pullStream = await this.docker.pull(service.container_image)
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this._broadcast(
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service.service_name,
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'pulling',
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`Pulling Docker image ${service.container_image}...`
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)
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await new Promise((res) => this.docker.modem.followProgress(pullStream, res))
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if (service.service_name === DockerService.KIWIX_SERVICE_NAME) {
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await this._runPreinstallActions__KiwixServe()
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this._broadcast(
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service.service_name,
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'preinstall-complete',
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`Pre-install actions for Kiwix Serve completed successfully.`
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)
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}
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this._broadcast(
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service.service_name,
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'creating',
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`Creating Docker container for service ${service.service_name}...`
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)
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const container = await this.docker.createContainer({
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Image: service.container_image,
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name: service.service_name,
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...(containerConfig?.User && { User: containerConfig.User }),
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...(containerConfig?.HostConfig && { HostConfig: containerConfig.HostConfig }),
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...(containerConfig?.WorkingDir && { WorkingDir: containerConfig.WorkingDir }),
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...(containerConfig?.ExposedPorts && { ExposedPorts: containerConfig.ExposedPorts }),
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...(containerConfig?.Env && { Env: containerConfig.Env }),
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...(service.container_command ? { Cmd: service.container_command.split(' ') } : {}),
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})
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this._broadcast(
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service.service_name,
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'starting',
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`Starting Docker container for service ${service.service_name}...`
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)
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await container.start()
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this._broadcast(
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service.service_name,
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'finalizing',
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`Finalizing installation of service ${service.service_name}...`
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)
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service.installed = true
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await service.save()
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this._broadcast(
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service.service_name,
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'completed',
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`Service ${service.service_name} installation completed successfully.`
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)
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} catch (error) {
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this._broadcast(
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service.service_name,
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'error',
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`Error installing service ${service.service_name}: ${error.message}`
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)
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throw new Error(`Failed to install service ${service.service_name}: ${error.message}`)
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}
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}
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async _checkIfServiceContainerExists(serviceName: string): Promise<boolean> {
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try {
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const containers = await this.docker.listContainers({ all: true })
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return containers.some((container) => container.Names.includes(`/${serviceName}`))
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} catch (error) {
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logger.error(`Error checking if service container exists: ${error.message}`)
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return false
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}
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}
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async _removeServiceContainer(
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serviceName: string
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): Promise<{ success: boolean; message: string }> {
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try {
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const containers = await this.docker.listContainers({ all: true })
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const container = containers.find((c) => c.Names.includes(`/${serviceName}`))
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if (!container) {
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return { success: false, message: `Container for service ${serviceName} not found` }
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}
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const dockerContainer = this.docker.getContainer(container.Id)
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await dockerContainer.stop()
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await dockerContainer.remove()
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return { success: true, message: `Service ${serviceName} container removed successfully` }
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} catch (error) {
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logger.error(`Error removing service container: ${error.message}`)
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return {
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success: false,
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message: `Failed to remove service ${serviceName} container: ${error.message}`,
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}
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}
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}
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private async _runPreinstallActions__KiwixServe(): Promise<void> {
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/**
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* At least one .zim file must be available before we can start the kiwix container.
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* We'll download the lightweight mini Wikipedia Top 100 zim file for this purpose.
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**/
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const WIKIPEDIA_ZIM_URL =
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'https://github.com/Crosstalk-Solutions/project-nomad/raw/refs/heads/master/install/wikipedia_en_100_mini_2025-06.zim'
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const zimPath = '/zim/wikipedia_en_100_mini_2025-06.zim'
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const filepath = path.join(DockerService.NOMAD_STORAGE_ABS_PATH, zimPath)
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logger.info(`[DockerService] Kiwix Serve pre-install: Downloading ZIM file to ${filepath}`)
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this._broadcast(
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DockerService.KIWIX_SERVICE_NAME,
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'preinstall',
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`Running pre-install actions for Kiwix Serve...`
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)
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this._broadcast(
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DockerService.KIWIX_SERVICE_NAME,
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'preinstall',
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`Downloading Wikipedia ZIM file from ${WIKIPEDIA_ZIM_URL}. This may take some time...`
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)
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try {
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await doSimpleDownload({
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url: WIKIPEDIA_ZIM_URL,
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filepath,
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timeout: 60000,
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})
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this._broadcast(
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DockerService.KIWIX_SERVICE_NAME,
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'preinstall',
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`Downloaded Wikipedia ZIM file to ${filepath}`
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)
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} catch (error) {
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this._broadcast(
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DockerService.KIWIX_SERVICE_NAME,
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'preinstall-error',
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`Failed to download Wikipedia ZIM file: ${error.message}`
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)
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throw new Error(`Pre-install action failed: ${error.message}`)
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}
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}
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private _broadcast(service: string, status: string, message: string) {
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transmit.broadcast('service-installation', {
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service_name: service,
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timestamp: new Date().toISOString(),
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status,
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message,
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})
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logger.info(`[DockerService] [${service}] ${status}: ${message}`)
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}
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private _parseContainerConfig(containerConfig: any): any {
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if (!containerConfig) {
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return {}
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}
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try {
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// Handle the case where containerConfig is returned as an object by DB instead of a string
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let toParse = containerConfig
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if (typeof containerConfig === 'object') {
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toParse = JSON.stringify(containerConfig)
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}
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return JSON.parse(toParse)
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} catch (error) {
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logger.error(`Failed to parse container configuration: ${error.message}`)
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throw new Error(`Invalid container configuration: ${error.message}`)
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}
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}
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}
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