const fs = require("node:fs");
const path = require("node:path");
function getVariantName() {
if (process.env.MCP_VARIANT && process.env.MCP_VARIANT.trim()) {
return process.env.MCP_VARIANT.trim();
}
const selectorPath = path.resolve(__dirname, ".mcp-variant");
if (fs.existsSync(selectorPath)) {
const selected = fs.readFileSync(selectorPath, "utf8").trim();
if (selected) {
return selected;
}
}
return "sap-docs";
}
function getVariantConfig() {
const variantName = getVariantName();
const variantPath = path.resolve(__dirname, "config", "variants", `${variantName}.json`);
if (!fs.existsSync(variantPath)) {
throw new Error(`Missing variant config at ${variantPath}`);
}
return JSON.parse(fs.readFileSync(variantPath, "utf8"));
}
const variant = getVariantConfig();
const deployPath = process.env.MCP_DEPLOY_PATH || variant.server.deployPath;
const logPrefix = variant.server.pm2HttpName.replace(/[^a-z0-9-]/gi, "-").toLowerCase();
module.exports = {
apps: [
{
name: variant.server.pm2HttpName,
script: "node",
args: [`${deployPath}/dist/src/http-server.js`],
cwd: deployPath,
env: {
NODE_ENV: "production",
MCP_VARIANT: variant.id,
PORT: String(variant.server.httpStatusPort),
LOG_LEVEL: "DEBUG",
LOG_FORMAT: "json",
RETURN_K: "30"
},
autorestart: true,
max_restarts: 10,
restart_delay: 2000,
log_file: `/opt/mcp-sap/logs/${logPrefix}-http-combined.log`,
out_file: `/opt/mcp-sap/logs/${logPrefix}-http-out.log`,
error_file: `/opt/mcp-sap/logs/${logPrefix}-http-error.log`,
log_type: "json",
log_date_format: "YYYY-MM-DD HH:mm:ss Z",
max_size: "10M",
retain: 10,
compress: true
},
{
name: variant.server.pm2StreamableName,
script: "node",
args: [`${deployPath}/dist/src/streamable-http-server.js`],
cwd: deployPath,
env: {
NODE_ENV: "production",
MCP_VARIANT: variant.id,
MCP_PORT: String(variant.server.streamablePort),
LOG_LEVEL: "DEBUG",
LOG_FORMAT: "json",
RETURN_K: "30"
},
autorestart: true,
max_restarts: 10,
restart_delay: 2000,
log_file: `/opt/mcp-sap/logs/${logPrefix}-streamable-combined.log`,
out_file: `/opt/mcp-sap/logs/${logPrefix}-streamable-out.log`,
error_file: `/opt/mcp-sap/logs/${logPrefix}-streamable-error.log`,
log_type: "json",
log_date_format: "YYYY-MM-DD HH:mm:ss Z",
max_size: "10M",
retain: 10,
compress: true
}
]
};
