From 5ad0906c89af3adfcbac3c1b1208aa1fb4b6130f Mon Sep 17 00:00:00 2001
From: CyberRex <hspwinx86@gmail.com>
Date: Wed, 27 Sep 2023 09:32:36 +0900
Subject: [PATCH] =?UTF-8?q?feat(backend):=20Master=E3=83=97=E3=83=AD?=
 =?UTF-8?q?=E3=82=BB=E3=82=B9=E3=81=AEPID=E3=82=92=E6=9B=B8=E3=81=8D?=
 =?UTF-8?q?=E5=87=BA=E3=81=9B=E3=82=8B=E3=82=88=E3=81=86=E3=81=AB=20(#1190?=
 =?UTF-8?q?9)?=
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---
 .config/example.yml                 | 25 ++++++++++++++-----------
 packages/backend/src/boot/master.ts |  1 +
 packages/backend/src/config.ts      |  3 +++
 3 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/.config/example.yml b/.config/example.yml
index 086a6ca8fc..03864a3299 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -30,7 +30,7 @@ url: https://example.tld/
 # The port that your Misskey server should listen on.
 port: 3000
 
-# You can also use UNIX domain socket. 
+# You can also use UNIX domain socket.
 # socket: /path/to/misskey.sock
 # chmodSocket: '777'
 
@@ -60,17 +60,17 @@ dbReplications: false
 # You can configure any number of replicas here
 #dbSlaves:
 #  -
-#    host: 
-#    port: 
-#    db: 
-#    user: 
-#    pass: 
+#    host:
+#    port:
+#    db:
+#    user:
+#    pass:
 #  -
-#    host: 
-#    port: 
-#    db: 
-#    user: 
-#    pass: 
+#    host:
+#    port:
+#    db:
+#    user:
+#    pass:
 
 #   ┌─────────────────────┐
 #───┘ Redis configuration └─────────────────────────────────────
@@ -206,3 +206,6 @@ signToActivityPubGet: true
 
 # Upload or download file size limits (bytes)
 #maxFileSize: 262144000
+
+# PID File of master process
+#pidFile: /tmp/misskey.pid
diff --git a/packages/backend/src/boot/master.ts b/packages/backend/src/boot/master.ts
index a45ea2bb8f..623cc964ac 100644
--- a/packages/backend/src/boot/master.ts
+++ b/packages/backend/src/boot/master.ts
@@ -63,6 +63,7 @@ export async function masterMain() {
 		showNodejsVersion();
 		config = loadConfigBoot();
 		//await connectDb();
+		if (config.pidFile) fs.writeFileSync(config.pidFile, process.pid.toString());
 	} catch (e) {
 		bootLogger.error('Fatal error occurred during initialization', null, true);
 		process.exit(1);
diff --git a/packages/backend/src/config.ts b/packages/backend/src/config.ts
index abbfdfed8f..f89879d535 100644
--- a/packages/backend/src/config.ts
+++ b/packages/backend/src/config.ts
@@ -89,6 +89,7 @@ type Source = {
 	perChannelMaxNoteCacheCount?: number;
 	perUserNotificationsMaxCount?: number;
 	deactivateAntennaThreshold?: number;
+	pidFile: string;
 };
 
 export type Config = {
@@ -163,6 +164,7 @@ export type Config = {
 	perChannelMaxNoteCacheCount: number;
 	perUserNotificationsMaxCount: number;
 	deactivateAntennaThreshold: number;
+	pidFile: string;
 };
 
 const _filename = fileURLToPath(import.meta.url);
@@ -255,6 +257,7 @@ export function loadConfig(): Config {
 		perChannelMaxNoteCacheCount: config.perChannelMaxNoteCacheCount ?? 1000,
 		perUserNotificationsMaxCount: config.perUserNotificationsMaxCount ?? 300,
 		deactivateAntennaThreshold: config.deactivateAntennaThreshold ?? (1000 * 60 * 60 * 24 * 7),
+		pidFile: config.pidFile,
 	};
 }