Allow pm-qos-mgr to restart if killed abnormally

The pm-qos-mgr process does not automatically restart if it is
killed/stopped abnormally.

Configuring pm-qos-mgr to be managed by pmon.

Change-Id: Ifb632d71d63dab6f6b1935880843870ba742f196
Depends-On: https://review.opendev.org/#/c/681550/
Partial-Bug: 1840356
Signed-off-by: Al Bailey <Al.Bailey@windriver.com>

utilities/pm-qos-mgr/centos/build_srpm.data

@@ -1,2 +1,2 @@
 SRC_DIR="src"
-TIS_PATCH_VER=1
+TIS_PATCH_VER=2

utilities/pm-qos-mgr/centos/pm-qos-mgr.spec

@@ -25,6 +25,7 @@ A daemon that monitors kubelet cpu-manager static cpu assignments
 and modifies PM QoS CPU wakeup latency.
 
 %define pythonroot %{_libdir}/python2.7/site-packages
+%define local_etc_pmond /etc/pmon.d/
 
 %prep
 %autosetup -n %{name}-%{version} -S git
@@ -44,6 +45,9 @@ export PBR_VERSION=%{version}
                              --install-data=%{_datadir} \
                              --single-version-externally-managed
 
+install -d -m 755 %{buildroot}%{local_etc_pmond}
+install -p -D -m 644 pm-qos-mgr.conf %{buildroot}%{local_etc_pmond}/pm-qos-mgr.conf
+
 install -p -D -m 664 pm-qos-mgr.service %{buildroot}%{_unitdir}/pm-qos-mgr.service
 
 %post
@@ -58,4 +62,5 @@ rm -rf $RPM_BUILD_ROOT
 %{_bindir}/*
 %{pythonroot}/%{pypi_name}/*
 %{pythonroot}/%{pypi_name}-%{version}*.egg-info
+%{local_etc_pmond}/pm-qos-mgr.conf
 %{_unitdir}/*

utilities/pm-qos-mgr/src/pm-qos-mgr.conf

@@ -0,0 +1,10 @@
+[process]
+process  = pm-qos-mgr
+pidfile  = /var/run/pm-qos-mgr.pid
+service  = pm-qos-mgr
+style    = lsb            ; ocf or lsb
+severity = major          ; minor, major, critical
+restarts = 3              ; restarts before error assertion
+interval = 5              ; number of seconds to wait between restarts
+debounce = 20             ; number of seconds to wait before degrade clear
+subfunction = last-config ; run it only after last config is run

utilities/pm-qos-mgr/src/pm-qos-mgr.service

@@ -6,6 +6,7 @@ Before=kubelet.service
 [Service]
 Type=simple
 ExecStart=/usr/bin/pm-qos-mgr
+ExecStartPost=/bin/bash -c 'echo $MAINPID > /var/run/pm-qos-mgr.pid'
 
 [Install]
 WantedBy=multi-user.target