luks-fs-mgr service is modified to create a pidfile which can be
tracked using pmon. Pmon passive monitoring on controllers is
enabled by adding a config file which tracks the pidfile and
tries to restart the service if it fails.
Test Plan:
PASS: build-pkgs -c -p luks-fs-mgr
PASS: build-image
PASS: AIO-SX verify if luks.conf is present at /usr/share/starlingx/pmon.d
PASS: pid file luks-fs-mgr.pid should be created at /var/run
PASS: pid file should be deleted after luks-fs-mgr service is stopped.
Story: 2010872
Task: 49249
Change-Id: I97ccb81c2f6fba6b7d0c1fc462d42fbce21595fa
Signed-off-by: Jagatguru Prasad Mishra <jagatguruprasad.mishra@windriver.com>
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