feature: allow to set deep monitoring via environment (PM2_DEEP_MONITORING=true on start/restart)

lib/API.js

@@ -668,6 +668,10 @@ API.prototype._startScript = function(script, opts, cb) {
   else
     app_conf.exec_mode = 'fork';
 
+  // Options set via environment variables
+  if (process.env.PM2_DEEP_MONITORING)
+    app_conf.deep_monitoring = true;
+
   if (typeof app_conf.name == 'function'){
     delete app_conf.name;
   }
@@ -1450,6 +1454,10 @@ API.prototype._handleAttributeUpdate = function(opts) {
       delete appConf.watch
   }
 
+  // Options set via environment variables
+  if (process.env.PM2_DEEP_MONITORING)
+    appConf.deep_monitoring = true;
+
   // Force deletion of defaults values set by commander
   // to avoid overriding specified configuration by user
   if (appConf.treekill === true)

test/bash/options-via-env.sh

@@ -0,0 +1,24 @@
+
+#!/usr/bin/env bash
+
+SRC=$(cd $(dirname "$0"); pwd)
+source "${SRC}/include.sh"
+
+cd $file_path
+
+# With start
+$pm2 start echo.js
+should 'should deep_monitoring' 'deep_monitoring' 0
+
+$pm2 delete all
+
+PM2_DEEP_MONITORING=true $pm2 start echo.js
+should 'should deep_monitoring' 'deep_monitoring' 1
+
+$pm2 delete all
+
+# With restart
+$pm2 start echo.js
+should 'should deep_monitoring' 'deep_monitoring' 0
+PM2_DEEP_MONITORING=true $pm2 restart echo
+should 'should deep_monitoring' 'deep_monitoring' 1

test/pm2_behavior_tests.sh

@@ -23,6 +23,8 @@ bash ./test/bash/pm2-dev.sh
 spec "pm2-dev"
 bash ./test/bash/pm2-runtime.sh
 spec "pm2-runtime"
+bash ./test/bash/options-via-env.sh
+spec "set option via environment"
 bash ./test/bash/startup.sh
 spec "upstart startup test"
 bash ./test/bash/dump.sh