Allow second directory to duplicate backups
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@ -3,8 +3,11 @@
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# This script will backup /etc/pve content :
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# 1. Make an archive to a first directory (default: /etc/proxmox.pve/backup/).
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# 2. Hard link a fix archive name (pve.latest.tar.gz) to new archive
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# Easy to monitor (this path can be expected).
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# 3. Clean backups older than retention time (default: 7).
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# Easy to monitor (eg. this path can be expected).
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# 3. Limit permissions to backup directory (backup:adm).
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# 4. Clean backups older than retention time (default: 7).
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# 5. (optionnal) Copy backup to a second directory (nfs mountpoint, other hdd,…).
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#
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# This script can be call by a cronjob (eg. daily).
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@ -29,7 +32,7 @@ readonly COLOR_DEBUG="${PURPLE}"
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usage() { # {{{
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cat <<- EOF
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usage: $PROGNAME [-d|-f|-h|-r]
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usage: $PROGNAME [-d|-f|-h|-r|-s]
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Backup /etc/pve content.
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@ -38,11 +41,14 @@ EXAMPLES :
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${PROGNAME}
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- Backup /etc/pve content to /var/backups/pve directory
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${PROGNAME} --first /var/backups/pve
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${PROGNAME} --first-directory /var/backups/pve
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- Backup to default path and keep backups for 14 days
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${PROGNAME} --retention 14
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- Duplicate backups to a second directory (/mnt/nfs/pve)
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${PROGNAME} --second-directory /mnt/nfs/pve
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OPTIONS :
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-d,--debug
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Enable debug messages.
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@ -58,6 +64,9 @@ OPTIONS :
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Backups older than retention time (default: ${DEFAULT_RETENTION_TIME})
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will be delete.
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-s,--second,--second-directory
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Path to a second directory to duplicate backups (default: not set).
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EOF
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}
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@ -124,10 +133,10 @@ main() { # {{{
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&& printf '%b\n' "${RED}/etc/pve directory doesn't seems available. Are you sure you run this script on a Proxmox host?${RESET}" \
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&& exit 1
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## }}}
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## Verify if the local destination directory is absent {{{
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## Verify if the first destination directory is absent {{{
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### AND create it
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is_directory_absent "${first_bkp_dir}" \
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&& mkdir -p -- ${first_bkp_dir}
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&& mkdir -p -- "${first_bkp_dir}"
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## }}}
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## Create an archive of /etc/pve to $first_bkp_dir {{{
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@ -151,6 +160,20 @@ main() { # {{{
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|| exit 4
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## }}}
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## If second directory is defined {{{
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if [ -n "${second_bkp_dir}" ]; then
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### Verify if the second destination directory is absent {{{
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#### AND create it
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is_directory_absent "${second_bkp_dir}" \
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&& mkdir -p -- "${second_bkp_dir}"
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### }}}
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### Synchronize first directory to second {{{
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#### OR exit with error code 12 if it fails
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rsync -a -- "${first_bkp_dir}/" "${second_bkp_dir}/" \
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|| exit 12
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### }}}
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fi
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## }}}
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}
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# }}}
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@ -179,7 +202,7 @@ if [ ! "${NBARGS}" -eq "0" ]; then
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-d|--debug ) ## debug
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DEBUG=0
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;;
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-f|--first,--first-directory ) ## first directory to store backup
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-f|--first|--first-directory ) ## first directory to store backup
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## Move to the next argument
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shift
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## Define first_bkp_dir
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@ -196,6 +219,12 @@ if [ ! "${NBARGS}" -eq "0" ]; then
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## Define retention_time
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retention_time="${1}"
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;;
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-s|--second|--second-directory ) ## second directory to duplicate backup
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## Move to the next argument
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shift
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## Define second_bkp_dir
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second_bkp_dir="${1}"
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;;
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* ) ## unknow option
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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