-
Notifications
You must be signed in to change notification settings - Fork 2.6k
/
ClusterMode.js
97 lines (86 loc) · 2.74 KB
/
ClusterMode.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
/**
* Copyright 2013-2022 the PM2 project authors. All rights reserved.
* Use of this source code is governed by a license that
* can be found in the LICENSE file.
*/
'use strict';
/**
* @file Cluster execution functions related
* @author Alexandre Strzelewicz <as@unitech.io>
* @project PM2
*/
var cluster = require('cluster');
var Utility = require('../Utility.js');
var pkg = require('../../package.json');
/**
* Description
* @method exports
* @param {} God
* @return
*/
module.exports = function ClusterMode(God) {
/**
* For Node apps - Cluster mode
* It will wrap the code and enable load-balancing mode
* @method nodeApp
* @param {} env_copy
* @param {} cb
* @return Literal
*/
God.nodeApp = function nodeApp(env_copy, cb){
var clu = null;
console.log(`App [${env_copy.name}:${env_copy.pm_id}] starting in -cluster mode-`)
if (env_copy.node_args && Array.isArray(env_copy.node_args)) {
cluster.settings.execArgv = env_copy.node_args;
}
env_copy._pm2_version = pkg.version;
try {
// node.js cluster clients can not receive deep-level objects or arrays in the forked process, e.g.:
// { "args": ["foo", "bar"], "env": { "foo1": "bar1" }} will be parsed to
// { "args": "foo, bar", "env": "[object Object]"}
// So we passing a stringified JSON here.
clu = cluster.fork({pm2_env: JSON.stringify(env_copy), windowsHide: true});
} catch(e) {
God.logAndGenerateError(e);
return cb(e);
}
clu.pm2_env = env_copy;
/**
* Broadcast message to God
*/
clu.on('message', function cluMessage(msg) {
/*********************************
* If you edit this function
* Do the same in ForkMode.js !
*********************************/
if (msg.data && msg.type) {
return God.bus.emit(msg.type ? msg.type : 'process:msg', {
at : Utility.getDate(),
data : msg.data,
process : {
pm_id : clu.pm2_env.pm_id,
name : clu.pm2_env.name,
rev : (clu.pm2_env.versioning && clu.pm2_env.versioning.revision) ? clu.pm2_env.versioning.revision : null,
namespace : clu.pm2_env.namespace
}
});
}
else {
if (typeof msg == 'object' && 'node_version' in msg) {
clu.pm2_env.node_version = msg.node_version;
return false;
}
return God.bus.emit('process:msg', {
at : Utility.getDate(),
raw : msg,
process : {
pm_id : clu.pm2_env.pm_id,
name : clu.pm2_env.name,
namespace : clu.pm2_env.namespace
}
});
}
});
return cb(null, clu);
};
};