#!/bin/sh
# 17:19, 2018-02-09
# Nico Schottelius

if [ $# -lt 2 ]; then
    echo "$0 disk class [nostart]"
    echo "class = hdd or ssd"
    echo "If specifying anything after the class, monit will not be created"
    exit 1
fi

export DEV=$1;shift
export CLASS=$1; shift

set -e

# Ensure ceph-volume has all pre-requisites
if [ ! -f /var/lib/ceph/bootstrap-osd/ceph.keyring ]; then
     mkdir -p /var/lib/ceph/bootstrap-osd
     ceph auth get client.bootstrap-osd > /var/lib/ceph/bootstrap-osd/ceph.keyring
fi
if [ ! -f /etc/ceph/ceph.client.bootstrap-osd.keyring ]; then
    ceph auth get client.bootstrap-osd > /etc/ceph/ceph.client.bootstrap-osd.keyring
fi

# We are redirecting to a tempfile so that the output is visible for debugging,
# but we can still easily filter for the osd id
tmp=$(mktemp)

ceph-volume lvm prepare --data $DEV --crush-device-class $CLASS 2>&1 | tee ${tmp}
osd_id=$(grep /var/lib/ceph/osd/ceph- ${tmp} | sed -e 's/.*ceph-//' -e 's,/.*,,' | head -n1)
rm -f ${tmp}

if [ $# -eq 1 ]; then
    echo "Not executing: /opt/ungleich-tools/monit-ceph-create-start osd.${osd_id}"
else
    # Start it
    /opt/ungleich-tools/monit-ceph-create-start osd.${osd_id}
fi