From eb39c5f697ff3cd6f0368ef5c01853acaaef7812 Mon Sep 17 00:00:00 2001
From: Unitech <strzelewicz.alexandre@gmail.com>
Date: Fri, 16 Feb 2018 14:00:14 +0100
Subject: [PATCH] feature: allow to set deep monitoring via environment
 (PM2_DEEP_MONITORING=true on start/restart)

---
 lib/API.js                   |  8 ++++++++
 test/bash/options-via-env.sh | 24 ++++++++++++++++++++++++
 test/pm2_behavior_tests.sh   |  2 ++
 3 files changed, 34 insertions(+)
 create mode 100644 test/bash/options-via-env.sh

diff --git a/lib/API.js b/lib/API.js
index bcb5073bc..59bc227f1 100644
--- a/lib/API.js
+++ b/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)
diff --git a/test/bash/options-via-env.sh b/test/bash/options-via-env.sh
new file mode 100644
index 000000000..c2049f509
--- /dev/null
+++ b/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
diff --git a/test/pm2_behavior_tests.sh b/test/pm2_behavior_tests.sh
index da98dfadd..6b1fa6306 100644
--- a/test/pm2_behavior_tests.sh
+++ b/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