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import { exec, execFile } from "node:child_process";
import util from "node:util";
import { findServerById } from "@dokploy/server/services/server";
import { Client } from "ssh2";
export const execAsync = util.promisify(exec);
interface ExecOptions {
cwd?: string;
env?: NodeJS.ProcessEnv;
}
export const execAsyncStream = (
command: string,
onData?: (data: string) => void,
options: ExecOptions = {},
): Promise<{ stdout: string; stderr: string }> => {
return new Promise((resolve, reject) => {
let stdoutComplete = "";
let stderrComplete = "";
const childProcess = exec(command, options, (error) => {
if (error) {
reject(error);
return;
}
resolve({ stdout: stdoutComplete, stderr: stderrComplete });
});
childProcess.stdout?.on("data", (data: Buffer | string) => {
const stringData = data.toString();
stdoutComplete += stringData;
if (onData) {
onData(stringData);
}
});
childProcess.stderr?.on("data", (data: Buffer | string) => {
const stringData = data.toString();
stderrComplete += stringData;
if (onData) {
onData(stringData);
}
});
childProcess.on("error", (error) => {
console.log(error);
reject(error);
});
});
};
export const execFileAsync = async (
command: string,
args: string[],
options: { input?: string } = {},
): Promise<{ stdout: string; stderr: string }> => {
const child = execFile(command, args);
if (options.input && child.stdin) {
child.stdin.write(options.input);
child.stdin.end();
}
return new Promise((resolve, reject) => {
let stdout = "";
let stderr = "";
child.stdout?.on("data", (data) => {
stdout += data.toString();
});
child.stderr?.on("data", (data) => {
stderr += data.toString();
});
child.on("close", (code) => {
if (code === 0) {
resolve({ stdout, stderr });
} else {
reject(
new Error(`Command failed with code ${code}. Stderr: ${stderr}`),
);
}
});
child.on("error", reject);
});
};
export const execAsyncRemote = async (
serverId: string | null,
command: string,
onData?: (data: string) => void,
): Promise<{ stdout: string; stderr: string }> => {
if (!serverId) return { stdout: "", stderr: "" };
const server = await findServerById(serverId);
if (!server.sshKeyId) throw new Error("No SSH key available for this server");
let stdout = "";
let stderr = "";
return new Promise((resolve, reject) => {
const conn = new Client();
sleep(1000);
conn
.once("ready", () => {
conn.exec(command, (err, stream) => {
if (err) {
onData?.(err.message);
throw err;
}
stream
.on("close", (code: number, _signal: string) => {
conn.end();
if (code === 0) {
resolve({ stdout, stderr });
} else {
reject(
new Error(
`Command exited with code ${code}. Stderr: ${stderr}, command: ${command}`,
),
);
}
})
.on("data", (data: string) => {
stdout += data.toString();
onData?.(data.toString());
})
.stderr.on("data", (data) => {
stderr += data.toString();
onData?.(data.toString());
});
});
})
.on("error", (err) => {
conn.end();
if (err.level === "client-authentication") {
onData?.(
`Authentication failed: Invalid SSH private key. ❌ Error: ${err.message} ${err.level}`,
);
reject(
new Error(
`Authentication failed: Invalid SSH private key. ❌ Error: ${err.message} ${err.level}`,
),
);
} else {
onData?.(`SSH connection error: ${err.message}`);
reject(new Error(`SSH connection error: ${err.message}`));
}
})
.connect({
host: server.ipAddress,
port: server.port,
username: server.username,
privateKey: server.sshKey?.privateKey,
timeout: 99999,
});
});
};
export const sleep = (ms: number) => {
return new Promise((resolve) => setTimeout(resolve, ms));
};
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