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confluence-backup/confluence.diy-backup.lvm.sh
2022-10-21 10:40:45 -07:00

120 lines
3.6 KiB
Bash

#!/bin/bash
function prepare_backup_disk {
## Bit from the rsync script that does some sanity checks and set up Data Store backups if present
check_config_var "CONFLUENCE_BACKUP_HOME"
check_config_var "CONFLUENCE_HOME"
# CONFLUENCE_RESTORE_DATA_STORES needs to be set if any data stores are configured
if [ -n "${CONFLUENCE_DATA_STORES}" ]; then
check_var "CONFLUENCE_BACKUP_DATA_STORES"
fi
##
# Confirm there are no existing snapshots, exit if present
if [ $(lvs | grep -ic snap) -gt 0 ]; then
echo "Snapshot already exists. Stopping backup"
exit
fi
}
function backup_disk {
# take lvm snapshot for backup
volume=$(df | grep data1 | cut -d" " -f1)
snapshot_name=snapbackup_$(date +"%m-%d_%H%M")
lvcreate --size 50G --snapshot --name $snapshot_name $volume
# Mount snapshot before rsync
vg=$(lvs | grep $snapshot_name | cut -d" " -f5)
snap_volume=/dev/$vg/$snapshot_name
mount -onouuid,ro $snap_volume /data1/snapshot
# Create new variable to define source of backup as snapshot
CONFLUENCE_HOME_SNAP=/data1/snapshot/CONFLUENCE-home/
# rsync home from snapshot
# perform_rsync_home_directory
# perform_rsync_data_stores
perform_compress_data
perform_rsync_compress_data
# unmount and remove lvm snapshot
umount /data1/snapshot
lvremove -f $snap_volume
}
## Functions copied from the rsync script since we are essentially using rsync but utilizing an lvm snap as the source
## instead. Changed CONFLUENCE_HOME to CONFLUENCE_HOME_SNAP where appropriate and tagged each change in case we ever
## need to redo. We still want restores to work the same(from the archive file) so no changes there only on the
## backup rsyncs - JM
function perform_compress_data {
# Globals
backupDir="/jira-wiki-backup/confluence"
pgdump="pg_dump"
# Backup target directories
backupDirDaily="$backupDir/$day_new_format"
day_new_format=$(date +%Y-%m-%d)
tar -czPf $backupDirDaily/$day_new_format.tgz /data1/snapshot
}
function perform_rsync_compress_data {
rsync avh --progress $backupDirDaily/$day_new_format.tgz /backup/confluence
}
function prepare_restore_disk {
check_var "CONFLUENCE_RESTORE_HOME"
check_config_var "CONFLUENCE_HOME"
# CONFLUENCE_RESTORE_DATA_STORES needs to be set if any data stores are configured
if [ -n "${CONFLUENCE_DATA_STORES}" ]; then
check_var "CONFLUENCE_RESTORE_DATA_STORES"
fi
# Check CONFLUENCE_HOME and CONFLUENCE_DATA_STORES are empty
ensure_empty_directory "${CONFLUENCE_HOME}"
for data_store in "${CONFLUENCE_DATA_STORES[@]}"; do
ensure_empty_directory "${data_store}"
done
# Create CONFLUENCE_HOME and CONFLUENCE_DATA_STORES
check_config_var "CONFLUENCE_UID"
check_config_var "CONFLUENCE_GID"
run mkdir -p "${CONFLUENCE_HOME}"
run chown "${CONFLUENCE_UID}":"${CONFLUENCE_GID}" "${CONFLUENCE_HOME}"
for data_store in "${CONFLUENCE_DATA_STORES[@]}"; do
run mkdir -p "${data_store}"
run chown "${CONFLUENCE_UID}":"${CONFLUENCE_GID}" "${data_store}"
done
}
function restore_disk {
local rsync_quiet=-q
if [ "${CONFLUENCE_VERBOSE_BACKUP}" = "true" ]; then
rsync_quiet=
fi
run rsync -av ${rsync_quiet} "${CONFLUENCE_RESTORE_HOME}/" "${CONFLUENCE_HOME}/"
for data_store in "${CONFLUENCE_DATA_STORES[@]}"; do
run rsync -av ${rsync_quiet} "${CONFLUENCE_RESTORE_DATA_STORES}/${data_store}" "${data_store}/"
done
}
function cleanup_incomplete_disk_backup {
no_op
}
function cleanup_old_disk_backups {
no_op
}