Files
ProxmoxVE-Local/src/server/ssh-execution-service.js

320 lines
11 KiB
JavaScript

import { spawn } from 'child_process';
import { spawn as ptySpawn } from 'node-pty';
import { existsSync } from 'fs';
/**
* @typedef {Object} Server
* @property {string} ip - Server IP address
* @property {string} user - Username
* @property {string} [password] - Password (optional)
* @property {string} name - Server name
* @property {string} [auth_type] - Authentication type ('password', 'key')
* @property {string} [ssh_key] - SSH private key content
* @property {string} [ssh_key_passphrase] - SSH key passphrase
* @property {string} [ssh_key_path] - Path to persistent SSH key file
* @property {number} [ssh_port] - SSH port (default: 22)
*/
class SSHExecutionService {
/**
* Build SSH command arguments based on authentication type
* @param {Server} server - Server configuration
* @returns {{command: string, args: string[]}} Command and arguments for SSH
*/
buildSSHCommand(server) {
const { ip, user, password, auth_type = 'password', ssh_key_passphrase, ssh_key_path, ssh_port = 22 } = server;
const baseArgs = [
'-t',
'-p', ssh_port.toString(),
'-o', 'ConnectTimeout=10',
'-o', 'StrictHostKeyChecking=no',
'-o', 'UserKnownHostsFile=/dev/null',
'-o', 'LogLevel=ERROR',
'-o', 'RequestTTY=yes',
'-o', 'SetEnv=TERM=xterm-256color',
'-o', 'SetEnv=COLUMNS=120',
'-o', 'SetEnv=LINES=30',
'-o', 'SetEnv=COLORTERM=truecolor',
'-o', 'SetEnv=FORCE_COLOR=1',
'-o', 'SetEnv=NO_COLOR=0',
'-o', 'SetEnv=CLICOLOR=1',
'-o', 'SetEnv=CLICOLOR_FORCE=1'
];
if (auth_type === 'key') {
// SSH key authentication
if (!ssh_key_path || !existsSync(ssh_key_path)) {
throw new Error('SSH key file not found');
}
baseArgs.push('-i', ssh_key_path);
baseArgs.push('-o', 'PasswordAuthentication=no');
baseArgs.push('-o', 'PubkeyAuthentication=yes');
if (ssh_key_passphrase) {
return {
command: 'sshpass',
args: ['-P', 'passphrase', '-p', ssh_key_passphrase, 'ssh', ...baseArgs, `${user}@${ip}`]
};
} else {
return {
command: 'ssh',
args: [...baseArgs, `${user}@${ip}`]
};
}
} else {
// Password authentication (default)
if (password) {
return {
command: 'sshpass',
args: ['-p', password, 'ssh', ...baseArgs, '-o', 'PasswordAuthentication=yes', '-o', 'PubkeyAuthentication=no', `${user}@${ip}`]
};
} else {
throw new Error('Password is required for password authentication');
}
}
}
/**
* Execute a script on a remote server via SSH
* @param {Server} server - Server configuration
* @param {string} scriptPath - Path to the script
* @param {Function} onData - Callback for data output
* @param {Function} onError - Callback for errors
* @param {Function} onExit - Callback for process exit
* @param {Object} [envVars] - Optional environment variables to pass to the script
* @returns {Promise<Object>} Process information
*/
async executeScript(server, scriptPath, onData, onError, onExit, envVars = {}) {
try {
await this.transferScriptsFolder(server, onData, onError);
return new Promise((resolve, reject) => {
const relativeScriptPath = scriptPath.startsWith('scripts/') ? scriptPath.substring(8) : scriptPath;
try {
// Build SSH command based on authentication type
const { command, args } = this.buildSSHCommand(server);
// Format environment variables as var_name=value pairs
const envVarsString = Object.entries(envVars)
.map(([key, value]) => {
// Escape special characters in values
const escapedValue = String(value).replace(/'/g, "'\\''");
return `${key}='${escapedValue}'`;
})
.join(' ');
// Build the command with environment variables
let scriptCommand = `cd /tmp/scripts && chmod +x ${relativeScriptPath} && export TERM=xterm-256color && export COLUMNS=120 && export LINES=30 && export COLORTERM=truecolor && export FORCE_COLOR=1 && export NO_COLOR=0 && export CLICOLOR=1 && export CLICOLOR_FORCE=1`;
if (envVarsString) {
scriptCommand += ` && ${envVarsString} bash ${relativeScriptPath}`;
} else {
scriptCommand += ` && bash ${relativeScriptPath}`;
}
// Log the full command that will be executed
console.log('='.repeat(80));
console.log(`[SSH Execution] Executing on host: ${server.ip} (${server.name || 'Unnamed'})`);
console.log(`[SSH Execution] Script path: ${scriptPath}`);
console.log(`[SSH Execution] Relative script path: ${relativeScriptPath}`);
if (Object.keys(envVars).length > 0) {
console.log(`[SSH Execution] Environment variables (${Object.keys(envVars).length} vars):`);
Object.entries(envVars).forEach(([key, value]) => {
console.log(` ${key}=${String(value)}`);
});
} else {
console.log(`[SSH Execution] No environment variables provided`);
}
console.log(`[SSH Execution] Full command:`);
console.log(scriptCommand);
console.log('='.repeat(80));
// Add the script execution command to the args
args.push(scriptCommand);
// Use ptySpawn for proper terminal emulation and color support
const sshCommand = ptySpawn(command, args, {
name: 'xterm-256color',
cols: 120,
rows: 30,
cwd: process.cwd(),
env: {
...process.env,
TERM: 'xterm-256color',
COLUMNS: '120',
LINES: '30',
SHELL: '/bin/bash',
COLORTERM: 'truecolor',
FORCE_COLOR: '1',
NO_COLOR: '0',
CLICOLOR: '1',
CLICOLOR_FORCE: '1'
}
});
// Use pty's onData method which handles both stdout and stderr combined
sshCommand.onData((data) => {
// pty handles encoding automatically and preserves ANSI codes
onData(data);
});
sshCommand.onExit((e) => {
onExit(e.exitCode);
});
resolve({
process: sshCommand,
kill: () => {
sshCommand.kill('SIGTERM');
}
});
} catch (error) {
reject(error);
}
});
} catch (error) {
const errorMessage = error instanceof Error ? error.message : String(error);
onError(`SSH execution failed: ${errorMessage}`);
throw error;
}
}
/**
* Transfer the entire scripts folder to the remote server
* @param {Server} server - Server configuration
* @param {Function} onData - Callback for data output
* @param {Function} onError - Callback for errors
* @returns {Promise<void>}
*/
async transferScriptsFolder(server, onData, onError) {
const { ip, user, password, auth_type = 'password', ssh_key_passphrase, ssh_key_path, ssh_port = 22 } = server;
return new Promise((resolve, reject) => {
try {
// Build rsync command based on authentication type
let rshCommand;
if (auth_type === 'key') {
if (!ssh_key_path || !existsSync(ssh_key_path)) {
throw new Error('SSH key file not found');
}
if (ssh_key_passphrase) {
rshCommand = `sshpass -P passphrase -p ${ssh_key_passphrase} ssh -i ${ssh_key_path} -p ${ssh_port} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null`;
} else {
rshCommand = `ssh -i ${ssh_key_path} -p ${ssh_port} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null`;
}
} else {
// Password authentication
rshCommand = `sshpass -p ${password} ssh -p ${ssh_port} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null`;
}
const rsyncCommand = spawn('rsync', [
'-avz',
'--delete',
'--exclude=*.log',
'--exclude=*.tmp',
`--rsh=${rshCommand}`,
'scripts/',
`${user}@${ip}:/tmp/scripts/`
], {
stdio: ['pipe', 'pipe', 'pipe']
});
rsyncCommand.stdout.on('data', (/** @type {Buffer} */ data) => {
// Ensure proper UTF-8 encoding for ANSI colors
const output = data.toString('utf8');
onData(output);
});
rsyncCommand.stderr.on('data', (/** @type {Buffer} */ data) => {
// Ensure proper UTF-8 encoding for ANSI colors
const output = data.toString('utf8');
onError(output);
});
rsyncCommand.on('close', (code) => {
if (code === 0) {
resolve();
} else {
reject(new Error(`rsync failed with code ${code}`));
}
});
rsyncCommand.on('error', (error) => {
reject(error);
});
} catch (error) {
reject(error);
}
});
}
/**
* Execute a direct command on a remote server via SSH
* @param {Server} server - Server configuration
* @param {string} command - Command to execute
* @param {Function} onData - Callback for data output
* @param {Function} onError - Callback for errors
* @param {Function} onExit - Callback for process exit
* @returns {Promise<Object>} Process information
*/
async executeCommand(server, command, onData, onError, onExit) {
return new Promise((resolve, reject) => {
try {
// Build SSH command based on authentication type
const { command: sshCommandName, args } = this.buildSSHCommand(server);
// Add the command to execute to the args
args.push(command);
// Use ptySpawn for proper terminal emulation and color support
const sshCommand = ptySpawn(sshCommandName, args, {
name: 'xterm-color',
cols: 120,
rows: 30,
cwd: process.cwd(),
env: process.env
});
sshCommand.onData((data) => {
onData(data);
});
sshCommand.onExit((e) => {
onExit(e.exitCode);
});
resolve({
process: sshCommand,
kill: () => {
sshCommand.kill('SIGTERM');
}
});
} catch (error) {
reject(error);
}
});
}
}
// Singleton instance
/** @type {SSHExecutionService | null} */
let sshExecutionInstance = null;
export function getSSHExecutionService() {
if (!sshExecutionInstance) {
sshExecutionInstance = new SSHExecutionService();
}
return sshExecutionInstance;
}
export default SSHExecutionService;