c9b9c5aaeb
Updated the nccli string to utilscli to avoid AT&T specific Network cloud terminology. Change-Id: I8dae02559a422dab0bdb8007daaa4f86a67f087e
125 lines
4.8 KiB
Smarty
125 lines
4.8 KiB
Smarty
#!/bin/bash
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{{/*
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Copyright 2019 The Openstack-Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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usage() {
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echo "Backup Usage: utilscli rbd_pv [-b <pvc name>] [-n <namespace>] [-d <backup dest> (optional, default: /backup)] [-p <ceph rbd pool> (optional, default: rbd)]"
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echo "Restore Usage: utilscli rbd_pv [-r <restore_file>] [-p <ceph rbd pool> (optional, default: rbd)]"
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echo "Snapshot Usage: utilscli rbd_pv [-b <pvc name>] [-n <namespace>] [-p <ceph rbd pool> (optional, default: rbd] [-s <create|rollback|remove|show> (required) ]"
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exit 1
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}
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while getopts ":b:p:n:d:r:h:s:" opt; do
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case $opt
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in
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b) pvc_name=${OPTARG};;
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n) nspace=${OPTARG};;
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d) backup_dest=${OPTARG};;
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r) restore_file=${OPTARG};;
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p) rbd_pool=${OPTARG};;
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s) snapshot=${OPTARG};;
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h) usage ;;
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esac
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done
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if [[ -z "${pvc_name}" || -z "${nspace}" ]]; then
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if [[ -z "${restore_file}" ]]; then
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usage
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echo "ERROR: Missing command line arguement(s)!"
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exit 1
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fi
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fi
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if [[ -z "${rbd_pool}" ]]; then
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rbd_pool="rbd"
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fi
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timestamp="$(date +%F_%T)"
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if [[ ! -z "${restore_file}" ]]; then
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if [[ -e "${restore_file}" ]]; then
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rbd_image="$(echo "${restore_file}" | rev | awk -v FS='/' '{print $1}' | rev | cut -f 1 -d '.')"
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if (utilscli rbd info "${rbd_pool}"/"${rbd_image}" | grep -q id); then
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utilscli rbd mv ${rbd_pool}/${rbd_image} ${rbd_pool}/${rbd_image}.orig-${timestamp}
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echo "WARNING: Existing PVC/RBD image has been moved to ${rbd_pool}/${rbd_image}.orig-${timestamp}"
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fi
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utilscli rbd import ${restore_file} ${rbd_pool}/${rbd_image}
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echo "INFO: Backup has been restored into ${rbd_pool}/${rbd_image}"
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else
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echo "ERROR: Missing restore file!"
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exit 1
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fi
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elif [[ ! -z "${snapshot}" ]]; then
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volume="$(kubectl -n ${nspace} get pvc ${pvc_name} --no-headers | awk '{ print $3 }')"
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rbd_image="$(kubectl get pv "${volume}" -o json | jq -r '.spec.rbd.image')"
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if [[ "x${snapshot}x" == "xcreatex" ]]; then
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snap_name="${pvc_name}-${timestamp}"
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utilscli rbd snap create ${rbd_pool}/${rbd_image}@${snap_name}
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echo "INFO: Snapshot ${rbd_pool}/${rbd_image}@${snap_name} has been created for PVC ${pvc_name}"
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elif [[ "x${snapshot}x" == "xrollback" ]]; then
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snap_name=$(utilscli rbd snap ls ${rbd_pool}/${rbd_image})
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utilscli rbd snap rollback ${rbd_pool}/${rbd_image}@${snap_name}
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echo "WARNING: Rolled back snapshot ${rbd_pool}/${rbd_image}@${snap_name} for ${pvc_name}"
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elif [[ "x${snapshot}x" == "xremovex" ]]; then
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utilscli rbd snap purge ${rbd_pool}/${rbd_image}
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echo "Removed snapshot(s) for ${pvc_name}"
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elif [[ "x${snapshot}x" == "xshowx" ]]; then
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echo "INFO: This PV is mapped to the following RBD Image:"
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echo "${rbd_pool}/${rbd_image}"
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echo -e "\nINFO: Current open sessions to RBD Image:"
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utilscli rbd status ${rbd_pool}/${rbd_image}
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echo -e "\nINFO: RBD Image information:"
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utilscli rbd info ${rbd_pool}/${rbd_image}
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echo -e "\nINFO: RBD Image snapshot details:"
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rbd snap ls ${rbd_pool}/${rbd_image}
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echo -e "\nINFO: RBD Image size details:"
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utilscli rbd du ${rbd_pool}/${rbd_image}
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else
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echo "ERROR: Missing arguement for snapshot option!"
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fi
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else
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if [[ -z "${backup_dest}" ]]; then
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backup_dest="/backup"
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fi
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if [[ ! -d "${backup_dest}" ]]; then
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echo "ERROR: Backup destination does not exist, cannot continue with the backup!"
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exit 1
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fi
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echo "INFO: Backing up ${pvc_name} within namespace ${nspace}"
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volume="$(kubectl -n ${nspace} get pvc ${pvc_name} --no-headers | awk '{ print $3 }')"
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rbd_image="$(kubectl get pv "${volume}" -o json | jq -r '.spec.rbd.image')"
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if [[ -z "${volume}" ]] || (! utilscli rbd info "${rbd_pool}"/"${rbd_image}" | grep -q id); then
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echo "ERROR: PVC does not exist or is missing! Cannot continue with backup for ${pvc_name}"
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exit 1
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else
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# Create current snapshot and export to a file
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snap_name="${pvc_name}-${timestamp}"
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backup_name="${rbd_image}.${pvc_name}-${timestamp}"
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utilscli rbd snap create ${rbd_pool}/${rbd_image}@${snap_name}
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utilscli rbd export ${rbd_pool}/${rbd_image}@${snap_name} ${backup_dest}/${backup_name}
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# Remove snapshot otherwise we may see an issue cleaning up the PVC from K8s, and from Ceph.
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utilscli rbd snap rm ${rbd_pool}/${rbd_image}@${snap_name}
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echo "INFO: PV ${pvc_name} saved to:"
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echo "${backup_dest}/${backup_name}"
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fi
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fi
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exit 0
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