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Merge pull request #112 from felixandersen/pre_backup_cmd

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added pre_backup_cmd to backup items (wip)
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L3D 2024-01-26 15:46:19 +01:00 committed by GitHub
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2 changed files with 34 additions and 2 deletions
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9
README.md
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@ -157,6 +157,7 @@ Available variables:
| `stdin` | no | Is this backup created from a [stdin](https://restic.readthedocs.io/en/stable/040_backup.html#reading-data-from-stdin)? |
| `stdin_cmd` | no (yes if `stdin` == `true`) | The command to produce the stdin. |
| `stdin_filename` | no | The filename used in the repository. |
| `pre_backup_cmd` | no | A command to run before backup, typically used to dump databases to disk |
| `tags` | no | Array of default tags |
| `keep_last` | no | If set, only keeps the last n snapshots. |
| `keep_hourly` | no | If set, only keeps the last n hourly snapshots. |
@ -199,6 +200,14 @@ restic_backups:
scheduled: true
schedule_oncalendar: '*-*-* 01:30:00'
niceness: 10
all_databases:
name: all_databases
repo: remote
src: /var/dumped_data
scheduled: true
schedule_oncalendar: '*-*-* 02:00:00'
pre_backup_cmd: cd /var/dumped_data && mariadb -N -e 'show databases' | while read dbname; do mariadb-dump --complete-insert --routines --triggers --single-transaction "$dbname" > "$dbname".sql; done
```
> You can also specify restic_backups as an array, which is a legacy feature and

27
templates/restic_script_Linux.j2
View file

@ -24,15 +24,18 @@ fi
{% if item.disable_logging is defined and item.disable_logging %}
{% set pre_backup_cmd_result_log, pre_backup_cmd_output_log = "/dev/null", "/dev/null" %}
{% set backup_result_log, backup_output_log = "/dev/null", "/dev/null" %}
{% set forget_result_log, forget_output_log = "/dev/null", "/dev/null" %}
{% else %}
{% if (item.log_to_journald is defined and item.log_to_journald) %}
{% set pre_backup_cmd_result_log, pre_backup_cmd_output_log = "| systemd-cat -t " + item.name, "2>&1 | systemd-cat -t " + item.name %}
{% set backup_result_log, backup_output_log = "| systemd-cat -t " + item.name, "2>&1 | systemd-cat -t " + item.name %}
{% set forget_result_log, forget_output_log = "| systemd-cat -t " + item.name, "2>&1 | systemd-cat -t " + item.name %}
{% else %}
{% set backup_result_log, backup_output_log = ">> " + restic_log_dir + "/" + item.name + "-backup-result.log", " 2>&1 | tee " + restic_log_dir + "/" + item.name + "-backup-output.log" %}
{% set forget_result_log, forget_output_log = ">> " + restic_log_dir + "/" + item.name + "-forget-result.log", " 2>&1 | tee " + restic_log_dir + "/" + item.name + "-forget-output.log" %}
{% set pre_backup_cmd_result_log, pre_backup_cmd_output_log = ">> " + restic_log_dir + "/" + item.name + "-pre_backup_cmd-result.log", "| tee " + restic_log_dir + "/" + item.name + "-pre_backup_cmd-output.log" %}
{% set backup_result_log, backup_output_log = ">> " + restic_log_dir + "/" + item.name + "-backup-result.log", "| tee " + restic_log_dir + "/" + item.name + "-backup-output.log" %}
{% set forget_result_log, forget_output_log = ">> " + restic_log_dir + "/" + item.name + "-forget-result.log", "| tee " + restic_log_dir + "/" + item.name + "-forget-output.log" %}
{% endif %}
{% endif %}
@ -224,6 +227,26 @@ set -uxo pipefail
{% endfor %}
{% endif %}
{% endmacro %}
{% if item.pre_backup_cmd is defined %}
{{ item.pre_backup_cmd }} {{ pre_backup_cmd_output_log }}
if [[ $? -eq 0 ]]
then
echo "$(date -u '+%Y-%m-%d %H:%M:%S') OK" {{ pre_backup_cmd_result_log }}
else
echo "$(date -u '+%Y-%m-%d %H:%M:%S') ERROR" {{ pre_backup_cmd_result_log }}
{% if item.mail_on_error is defined and item.mail_on_error == true %}
mail -s "restic backup failed on {{ ansible_hostname }}" {{ item.mail_address }} <<< "Something went wrong while running restic backup script running at {{ ansible_hostname }} at $(date -u '+%Y-%m-%d %H:%M:%S').
{%- if item.src is defined -%}
{{ ' ' }}We tried to backup '{{ item.src }}'.
{%- endif -%}
{{ ' ' }}Please repair the restic-{{ item.name | replace(' ', '') }} job."
{% endif %}
fi
{% endif %}
{#
Define backup commands
#}