go-ceph/micro-osd.sh

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#
# Copyright (C) 2013,2014 Loic Dachary <loic@dachary.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
set -e
set -x
set -u
DIR=${1}
# reset
pkill ceph || true
rm -rf ${DIR}/*
LOG_DIR=${DIR}/log
MON_DATA=${DIR}/mon
OSD_DATA=${DIR}/osd
mkdir ${LOG_DIR} ${MON_DATA} ${OSD_DATA}
# cluster wide parameters
cat >> ${DIR}/ceph.conf <<EOF
[global]
fsid = $(uuidgen)
osd crush chooseleaf type = 0
run dir = ${DIR}/run
auth cluster required = none
auth service required = none
auth client required = none
osd pool default size = 1
[mon.0]
log file = ${LOG_DIR}/mon.log
chdir = ""
mon cluster log file = ${LOG_DIR}/mon-cluster.log
mon data = ${MON_DATA}
mon addr = 127.0.0.1
mon allow pool delete = true
[osd.0]
log file = ${LOG_DIR}/osd.log
chdir = ""
osd data = ${OSD_DATA}
osd journal = ${OSD_DATA}.journal
osd journal size = 100
osd objectstore = memstore
osd class load list = *
osd class default list = *
EOF
export CEPH_CONF=${DIR}/ceph.conf
# start an osd
ceph-mon --id 0 --mkfs --keyring /dev/null
touch ${MON_DATA}/keyring
ceph-mon --id 0
# start an osd
OSD_ID=$(ceph osd create)
ceph osd crush add osd.${OSD_ID} 1 root=default host=localhost
ceph-osd --id ${OSD_ID} --mkjournal --mkfs
ceph-osd --id ${OSD_ID}
# start a manager
ceph-mgr --id x
# test the setup
ceph --version
ceph status
test_pool=$(uuidgen)
temp_file=$(mktemp)
rados mkpool ${test_pool}
rados --pool ${test_pool} put group /etc/group
rados --pool ${test_pool} get group ${temp_file}
diff /etc/group ${temp_file}
rados rmpool ${test_pool} ${test_pool} --yes-i-really-really-mean-it
rm ${temp_file}