[multi-asic] Fixed the docker mount point check for multi-asic (sonic…

…-net#5848)

API getMount() API was not updated to handle multi-asic platforms
Updated API getMount() to return abspath() for Docker Mount Point
and use that one for mount point comparison

Signed-off-by: Abhishek Dosi <[email protected]>

files/build_templates/docker_image_ctl.j2

@@ -45,7 +45,7 @@ function updateSyslogConf()
 
 function getMountPoint()
 {
-    echo $1 | python -c "import sys, json, os; mnts = [x for x in json.load(sys.stdin)[0]['Mounts'] if x['Destination'] == '/usr/share/sonic/hwsku']; print '' if len(mnts) == 0 else os.path.basename(mnts[0]['Source'])" 2>/dev/null
+    echo $1 | python -c "import sys, json, os; mnts = [x for x in json.load(sys.stdin)[0]['Mounts'] if x['Destination'] == '/usr/share/sonic/hwsku']; print '' if len(mnts) == 0 else os.path.abspath(mnts[0]['Source'])" 2>/dev/null
 }
 
 function getBootType()
@@ -189,9 +189,14 @@ start() {
     {%- if docker_container_name == "database" %}
     # Don't mount HWSKU in {{docker_container_name}} container.
     HWSKU=""
+    MOUNTPATH=""
     {%- else %}
     # Obtain our HWSKU as we will mount directories with these names in each docker
     HWSKU=${HWSKU:-`$SONIC_CFGGEN -d -v 'DEVICE_METADATA["localhost"]["hwsku"]'`}
+    MOUNTPATH="/usr/share/sonic/device/$PLATFORM/$HWSKU"
+    if [ "$DEV" ]; then
+        MOUNTPATH="$MOUNTPATH/$DEV"
+    fi
     {%- endif %}
     DOCKERCHECK=`docker inspect --type container ${DOCKERNAME} 2>/dev/null`
     if [ "$?" -eq "0" ]; then
@@ -200,7 +205,7 @@ start() {
         {%- else %}
         DOCKERMOUNT=`getMountPoint "$DOCKERCHECK"`
         {%- endif %}
-        if [ x"$DOCKERMOUNT" == x"$HWSKU" ]; then
+        if [ x"$DOCKERMOUNT" == x"$MOUNTPATH" ]; then
             {%- if docker_container_name == "database" %}
             echo "Starting existing ${DOCKERNAME} container"
             {%- else %}