Add UUID healthcheck alias

Change-Id: I8a544e38c2c6c2b22899a0d350bff493629d2558
Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/util/aliases b/util/aliases
index 23dc107..683f9da 100644
--- a/util/aliases
+++ b/util/aliases
@@ -4,6 +4,7 @@
 . /opt/testlab-major/tsp/common.sh
 
 export TARGET_LIST="$(sd-mux-ctrl --list | awk '/^Dev/ {sub(/_.*,/, "", $6); print $6}' | sort -u)"
+export DEVICES_LIST="$(sd-mux-ctrl --list | awk '/^Dev/ {sub(/,/, "", $6); print $6}')"
 
 # hurry makes requested task from given target queue urgent, i.e. moves it to
 # the front of said queue; it takes two mandatory arguments:
@@ -79,3 +80,35 @@ exit_maintenance() {
 	done
 	echo "Remember to increase slot sizes!"
 }
+
+# get_uuid retrieves UUID of second partition for a device; it assumes there
+# is exactly one device available at the time of its call
+#
+# following might seem hard to read due to glueing single quoted strings with
+# actual single quotation marks in double quotes, but it's worth it - this way
+# neither alias not AWK script won't be interpreted prior execution
+alias get_uuid='ls -la /dev/disk/by-uuid/ | awk '"'"'/2$/ {print $(NF-2)}'"'"
+
+# set_uuid writes actual UUID of second partition for requested device to file
+# used by testlab-major to identify block devices; it takes one mandatory
+# argument:
+# - device name
+set_uuid() {
+	local device="$1"
+	test -n "$device" || echo "Missing argument: device"
+	sd-mux-ctrl -e "$device" -s
+	get_uuid > "/var/tmp/uuid-${device}"
+}
+
+# uuid_healthcheck checks if there are mismatches between files used by
+# testlab-major to identify block devices and actual UUIDs for corresponding
+# devices
+uuid_healthcheck() {
+	for device in ${DEVICES_LIST}; do
+		echo "$device"
+		sd-mux-ctrl -e "$device" -s
+		sleep 20 # TODO: implement device detection
+		get_uuid | diff -s "/var/tmp/uuid-${device}" - || true # ignore non-zero status if difference is found
+		sd-mux-ctrl -e "$device" -d
+	done
+}