From b10d49dfbf3040449d8c4bd5ea726b9c2c4ebd45 Mon Sep 17 00:00:00 2001
From: seph <seph@directionless.org>
Date: Thu, 15 Dec 2016 10:59:59 -0500
Subject: [PATCH 1/2] Add in support for /etc/default/datadog-agent and set
 nicelevel from it

For debian systems, start-stop-daemon has a `--nicelevel` argument.

For centos, daemon does not, but seems to honor the NICELEVEL environmental variable
---
 packaging/centos/datadog-agent.init | 5 +++++
 packaging/debian/datadog-agent.init | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/packaging/centos/datadog-agent.init b/packaging/centos/datadog-agent.init
index 1352060bb7..dff1945e2a 100644
--- a/packaging/centos/datadog-agent.init
+++ b/packaging/centos/datadog-agent.init
@@ -42,6 +42,7 @@ DD_OPT_PROC_REGEX="dogstatsd|jmxfetch|go-metro"
 # Source function library.
 . /etc/rc.d/init.d/functions
 
+[ -r /etc/default/datadog-agent ] && . /etc/default/datadog-agent
 
 check_status() {
     # run checks to determine if the service is running or use generic status
@@ -136,6 +137,10 @@ start() {
         echo -n $'\n'"Resuming starting process."$'\n'
     fi
 
+    # NICELEVEL, if set, comes from /etc/default/datadog-agent.
+    # daemon will honor it, so we should export it.
+    export NICELEVEL
+
     # no need to test for status before daemon,
     # the daemon function does the right thing
     echo -n "Starting Datadog Agent (using supervisord):"
diff --git a/packaging/debian/datadog-agent.init b/packaging/debian/datadog-agent.init
index 3b8544f853..8959dab109 100755
--- a/packaging/debian/datadog-agent.init
+++ b/packaging/debian/datadog-agent.init
@@ -30,6 +30,8 @@ COLLECTOR_PIDFILE="/opt/datadog-agent/run/dd-agent.pid"
 SYSTEM_PATH=/opt/datadog-agent/embedded/bin:/opt/datadog-agent/bin:$PATH
 DD_OPT_PROC_REGEX="dogstatsd|jmxfetch|go-metro"
 
+[ -r /etc/default/datadog-agent ] && . /etc/default/datadog-agent
+
 if [ ! -x $AGENTPATH ]; then
     echo "$AGENTPATH not found. Exiting."
     exit 0
@@ -133,7 +135,7 @@ case "$1" in
 
 
         log_daemon_msg "Starting $DESC (using supervisord)" "$NAME"
-        PATH=$SYSTEM_PATH start-stop-daemon --start --quiet --oknodo --exec $SUPERVISORD_PATH -- -c $SUPERVISOR_FILE --pidfile $SUPERVISOR_PIDFILE
+        PATH=$SYSTEM_PATH start-stop-daemon --start ${NICELEVEL:+"--nicelevel $NICELEVEL"} --quiet --oknodo --exec $SUPERVISORD_PATH -- -c $SUPERVISOR_FILE --pidfile $SUPERVISOR_PIDFILE
         if [ $? -ne 0 ]; then
             log_end_msg 1
         fi

From 11ecf4f5bea29bb5d9646629fecec79e6f2013fb Mon Sep 17 00:00:00 2001
From: seph <seph@directionless.org>
Date: Wed, 7 Jun 2017 20:29:01 -0400
Subject: [PATCH 2/2] Update for centos convention

---
 packaging/centos/datadog-agent.init | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packaging/centos/datadog-agent.init b/packaging/centos/datadog-agent.init
index dff1945e2a..b31019668c 100644
--- a/packaging/centos/datadog-agent.init
+++ b/packaging/centos/datadog-agent.init
@@ -42,7 +42,7 @@ DD_OPT_PROC_REGEX="dogstatsd|jmxfetch|go-metro"
 # Source function library.
 . /etc/rc.d/init.d/functions
 
-[ -r /etc/default/datadog-agent ] && . /etc/default/datadog-agent
+[ -r /etc/sysconfig/datadog-agent ] && . /etc/sysconfig/datadog-agent
 
 check_status() {
     # run checks to determine if the service is running or use generic status