Matthew Heler 35cce6cb43 Switch Ceph to IPs when DNS is down
Add helper scripts that are called by a POD to switch
Ceph from DNS to IPs. This POD will loop every 5 minutes
to catch cases where the DNS might be unavailable.

On a POD's Service start switch ceph.conf to using IPs rather
then DNS.

Change-Id: I402199f55792ca9f5f28e436ff44d4a6ac9b7cf9
2018-12-03 10:51:37 -06:00

36 lines
1.2 KiB
Smarty

#!/bin/bash
{{/*
Copyright 2017 The Openstack-Helm Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/}}
set -ex
: "${CEPH_CONF:="/etc/ceph/${CLUSTER}.conf"}"
if [[ ! -e ${CEPH_CONF}.template ]]; then
echo "ERROR- ${CEPH_CONF}.template must exist; get it from your existing mon"
exit 1
else
ENDPOINT=$(kubectl get endpoints ceph-mon -n ${NAMESPACE} -o json | awk -F'"' -v port=${MON_PORT} '/ip/{print $4":"port}' | paste -sd',')
if [[ ${ENDPOINT} == "" ]]; then
/bin/sh -c -e "cat ${CEPH_CONF}.template | tee ${CEPH_CONF}" || true
else
/bin/sh -c -e "cat ${CEPH_CONF}.template | sed 's/mon_host.*/mon_host = ${ENDPOINT}/g' | tee ${CEPH_CONF}" || true
fi
fi
echo "LAUNCHING OSD: in ${STORAGE_TYPE%-*}:${STORAGE_TYPE#*-} mode"
exec "/tmp/osd-${STORAGE_TYPE%-*}.sh"