Merge "B&R: Skip Ceph osds from getting wiped during initial installation"

bsp-files/kickstarts/pre_disk_setup_common.cfg

@@ -66,6 +66,16 @@ fi
 # Deactivate existing volume groups to avoid Anaconda issues with pre-existing groups
 vgs --noheadings -o vg_name | xargs --no-run-if-empty -n 1 vgchange -an
 
+# Check if active controller is available
+curl -sf http://pxecontroller:6385/v1 2>&1 >/dev/null
+if [ $? -eq 0 ]; then
+    echo "Active controller detected."
+    ACTIVE_EXISTS="true"
+else
+    echo "No active controller detected, this is the initial install."
+    ACTIVE_EXISTS="false"
+fi
+
 ONLYUSE_HDD=""
 if [ "$(curl -sf http://pxecontroller:6385/v1/upgrade/$(hostname)/in_upgrade 2>/dev/null)" = "true" ]; then
     # In an upgrade, only wipe the disk with the rootfs and boot partition
@@ -79,6 +89,10 @@ if [ "$(curl -sf http://pxecontroller:6385/v1/upgrade/$(hostname)/in_upgrade 2>/
 else
     # Make a list of all the hard drives that are to be wiped
     WIPE_HDD=""
+    # Partition type OSD has a unique globally identifier
+    part_type_guid_str="Partition GUID code"
+    CEPH_OSD_GUID="4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D"
+
     for f in /dev/disk/by-path/*
     do
         dev=$(readlink -f $f)
@@ -91,6 +105,27 @@ else
         # Avoid wiping USB drives
         udevadm info --query=property --name=$dev |grep -q '^ID_BUS=usb' && continue
 
+        # Avoid wiping ceph osds on initial install
+        if [ ${ACTIVE_EXISTS} == "false" ]; then
+            wipe_dev="true"
+            part_numbers=( `parted -s $dev print | awk '$1 == "Number" {i=1; next}; i {print $1}'` )
+            # Scanning the partitions looking for CEPH OSDs and
+            # skipping any disk found with such partitions
+            for part_number in "${part_numbers[@]}"; do
+                sgdisk_part_info=$(flock $dev sgdisk -i $part_number $dev)
+                part_type_guid=$(echo "$sgdisk_part_info" | grep "$part_type_guid_str" | awk '{print $4;}')
+                if [ "$part_type_guid" == $CEPH_OSD_GUID ]; then
+                    echo "OSD found on $dev, skipping wipe"
+                    wipe_dev="false"
+                    break
+                fi
+            done
+            if [ "$wipe_dev" == "false" ]; then
+                continue
+            fi
+        fi
+
+        # Add device to the wipe list
         devname=$(basename $dev)
         if [ -e $dev -a "$ISO_DEV" != "../../$devname" -a "$USB_DEV" != "../../$devname" ]; then
             if [ -n "$WIPE_HDD" ]; then
@@ -100,7 +135,7 @@ else
             fi
         fi
     done
-    echo "Not in upgrade, wiping all disks: $WIPE_HDD"
+    echo "Not in upgrade, wiping disks: $WIPE_HDD"
 fi
 
 for dev in ${WIPE_HDD//,/ }