82 lines
2.9 KiB
Bash
82 lines
2.9 KiB
Bash
#!/bin/bash
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#
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# lib/cinder_backends/ceph
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# Configure the ceph backend
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# Enable with:
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#
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# CINDER_ENABLED_BACKENDS+=,ceph:ceph
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#
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# Optional parameters:
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# CINDER_BAK_CEPH_POOL=<pool-name>
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# CINDER_BAK_CEPH_USER=<user>
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# CINDER_BAK_CEPH_POOL_PG=<pg-num>
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# CINDER_BAK_CEPH_POOL_PGP=<pgp-num>
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# Dependencies:
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#
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# - ``functions`` file
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# - ``cinder`` configurations
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# configure_ceph_backend_lvm - called from configure_cinder()
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# Save trace setting
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MY_XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Defaults
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# --------
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CINDER_BAK_CEPH_POOL=${CINDER_BAK_CEPH_POOL:-backups}
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CINDER_BAK_CEPH_POOL_PG=${CINDER_BAK_CEPH_POOL_PG:-8}
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CINDER_BAK_CEPH_POOL_PGP=${CINDER_BAK_CEPH_POOL_PGP:-8}
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CINDER_BAK_CEPH_USER=${CINDER_BAK_CEPH_USER:-cinder-bak}
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# Entry Points
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# ------------
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# configure_cinder_backend_ceph - Set config files, create data dirs, etc
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# configure_cinder_backend_ceph $name
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function configure_cinder_backend_ceph {
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local be_name=$1
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iniset $CINDER_CONF $be_name volume_backend_name $be_name
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iniset $CINDER_CONF $be_name volume_driver "cinder.volume.drivers.rbd.RBDDriver"
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iniset $CINDER_CONF $be_name rbd_ceph_conf "$CEPH_CONF"
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iniset $CINDER_CONF $be_name rbd_pool "$CINDER_CEPH_POOL"
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iniset $CINDER_CONF $be_name rbd_user "$CINDER_CEPH_USER"
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iniset $CINDER_CONF $be_name rbd_uuid "$CINDER_CEPH_UUID"
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iniset $CINDER_CONF $be_name rbd_flatten_volume_from_snapshot False
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iniset $CINDER_CONF $be_name rbd_max_clone_depth 5
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iniset $CINDER_CONF DEFAULT glance_api_version 2
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if is_service_enabled c-bak; then
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# Configure Cinder backup service options, ceph pool, ceph user and ceph key
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sudo ceph -c ${CEPH_CONF_FILE} osd pool create ${CINDER_BAK_CEPH_POOL} ${CINDER_BAK_CEPH_POOL_PG} ${CINDER_BAK_CEPH_POOL_PGP}
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sudo ceph -c ${CEPH_CONF_FILE} osd pool set ${CINDER_BAK_CEPH_POOL} size ${CEPH_REPLICAS}
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if [[ $CEPH_REPLICAS -ne 1 ]]; then
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sudo ceph -c ${CEPH_CONF_FILE} osd pool set ${CINDER_BAK_CEPH_POOL} crush_ruleset ${RULE_ID}
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fi
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sudo ceph -c ${CEPH_CONF_FILE} auth get-or-create client.${CINDER_BAK_CEPH_USER} mon "allow r" osd "allow class-read object_prefix rbd_children, allow rwx pool=${CINDER_BAK_CEPH_POOL}" | sudo tee ${CEPH_CONF_DIR}/ceph.client.${CINDER_BAK_CEPH_USER}.keyring
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sudo chown $(whoami):$(whoami) ${CEPH_CONF_DIR}/ceph.client.${CINDER_BAK_CEPH_USER}.keyring
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iniset $CINDER_CONF DEFAULT backup_driver "cinder.backup.drivers.ceph"
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iniset $CINDER_CONF DEFAULT backup_ceph_conf "$CEPH_CONF"
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iniset $CINDER_CONF DEFAULT backup_ceph_pool "$CINDER_BAK_CEPH_POOL"
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iniset $CINDER_CONF DEFAULT backup_ceph_user "$CINDER_BAK_CEPH_USER"
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iniset $CINDER_CONF DEFAULT backup_ceph_stripe_unit 0
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iniset $CINDER_CONF DEFAULT backup_ceph_stripe_count 0
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iniset $CINDER_CONF DEFAULT restore_discard_excess_bytes True
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fi
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}
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# Restore xtrace
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$MY_XTRACE
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# Local variables:
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# mode: shell-script
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# End:
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