Ceph upgrade OSD from Hammer to Jewel

ceph-upgrade-hammer-jewel.sh

#!/bin/bash
#
# Script for updating a running Ceph Hammer cluster to Jewel
#
# This has to be run on the OSD node(s) as root
#
# Written for and tested on CentOS 7
#
# Used to upgrade Ceph at ODC-Noord in the Netherlands
#

CEPH_MAJOR_VERSION=$(ceph -v|awk '{print $3}'|cut -d '.' -f 1)

if [ ${CEPH_MAJOR_VERSION} -lt 10 ]; then
    echo "Error: This script requires at least Ceph Major version 10"
    ceph -v
    exit 1
fi

DONE_FILE="/var/tmp/ceph.jewel.upgrade.done"

test -f $DONE_FILE && exit 0

echo "Killing all OSDs"
killall ceph-osd || echo "No running OSDs found"

echo "Changing permissions of /var/lib/ceph"
chown -R ceph:ceph /var/lib/ceph

echo "Changing permissions of /var/log/ceph"
chown -R ceph:ceph /var/log/ceph

for ID in $(ls /var/lib/ceph/osd/|cut -d '-' -f 2); do
    JOURNAL=$(readlink -f /var/lib/ceph/osd/ceph-${ID}/journal)
    chown ceph ${JOURNAL}
    systemctl start ceph-osd@${ID}.service
    systemctl enable ceph-osd@${ID}.service
done

# Try to start the OSDs again due to this bug
# http://tracker.ceph.com/issues/16672

systemctl daemon-reload

sleep 10

for ID in $(ls /var/lib/ceph/osd/|cut -d '-' -f 2); do
    systemctl reset-failed ceph-osd@${ID}.service
    systemctl start ceph-osd@${ID}.service
done

sleep 5

for ID in $(ls /var/lib/ceph/osd/|cut -d '-' -f 2); do
    systemctl reset-failed ceph-osd@${ID}.service
    systemctl start ceph-osd@${ID}.service
done

touch $DONE_FILE