feat(restic): add support for additional env vars, optional init and checking and pre-backup hooks

This commit is contained in:
transcaffeine 2024-09-18 18:20:12 +02:00
parent 967ebab4c1
commit 1423d2a243
Signed by: transcaffeine
GPG Key ID: 03624C433676E465
2 changed files with 56 additions and 16 deletions

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@ -10,18 +10,41 @@ restic_backup_stdin_command: ~
restic_backup_stdin_command_filename: ~
restic_policy_keep_all_within: 1d
restic_policy_keep_hourly: 6
restic_policy_keep_daily: 2
restic_policy_keep_weekly: 7
restic_policy_keep_monthly: 4
restic_policy_keep_hourly: 12
restic_policy_keep_daily: 7
restic_policy_keep_weekly: 6
restic_policy_keep_monthly: 6
restic_policy_keep_yearly: 5
restic_policy_backup_frequency: hourly
restic_base_environment:
RESTIC_JOBNAME: "{{ restic_job_name | default('unknown') }}"
RESTIC_FORGET_KEEP_WITHIN: "{{ restic_policy_keep_all_within }}"
RESTIC_FORGET_KEEP_HOURLY: "{{ restic_policy_keep_hourly }}"
RESTIC_FORGET_KEEP_DAILY: "{{ restic_policy_keep_daily }}"
RESTIC_FORGET_KEEP_WEEKLY: "{{ restic_policy_keep_weekly }}"
RESTIC_FORGET_KEEP_MONTHLY: "{{ restic_policy_keep_monthly }}"
RESTIC_FORGET_KEEP_YEARLY: "{{ restic_policy_keep_yearly }}"
restic_s3_environment:
AWS_ACCESS_KEY_ID: "{{ restic_s3_key_id }}"
AWS_SECRET_ACCESS_KEY: "{{ restic_s3_access_key }}"
restic_complete_environment: >-
{{
restic_base_environment
| combine((restic_s3_environment
if (restic_s3_key_id and restic_s3_access_key) else {}) | default({}))
| combine(restic_environment | default({}))
}}
restic_policy:
keep_within: "{{ restic_policy_keep_all_within }}"
hourly: "{{ restic_policy_keep_hourly }}"
daily: "{{ restic_policy_keep_daily }}"
weekly: "{{ restic_policy_keep_weekly }}"
monthly: "{{ restic_policy_keep_monthly }}"
yearly: "{{ restic_policy_keep_yearly }}"
frequency: "{{ restic_policy_backup_frequency }}"
restic_user: root

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@ -9,26 +9,43 @@ SyslogIdentifier={{ restic_systemd_syslog_identifier }}
Environment=RESTIC_REPOSITORY={{ restic_repo_url }}
Environment=RESTIC_PASSWORD={{ restic_repo_password }}
{% if restic_s3_key_id and restic_s3_access_key %}
Environment=AWS_ACCESS_KEY_ID={{ restic_s3_key_id }}
Environment=AWS_SECRET_ACCESS_KEY={{ restic_s3_access_key }}
{% for kv in restic_complete_environment | dict2items %}
Environment={{ kv.key }}={{ kv.value }}
{% endfor %}
{% if restic_init | default(true) %}
ExecStartPre=-/bin/sh -c '/usr/bin/restic snapshots || /usr/bin/restic init'
{% endif %}
{% if restic_unlock_before_backup | default(false) %}
ExecStartPre=-/bin/sh -c '/usr/bin/restic unlock'
ExecStartPre=-/bin/sh -c 'sleep 3 && /usr/bin/restic unlock'
{% endif %}
ExecStartPre=-/bin/sh -c '/usr/bin/restic snapshots || /usr/bin/restic init'
{% if restic_backup_pre_hook | default(false) %}
ExecStart=-{{ restic_backup_pre_hook }}
ExecStartPre=-{{ restic_backup_pre_hook }}
{% endif %}
{% if restic_backup_stdin_command %}
ExecStart=/bin/sh -c '{{ restic_backup_stdin_command }} | /usr/bin/restic backup --verbose --stdin --stdin-filename {{ restic_backup_stdin_command_filename }}'
ExecStart=/bin/sh -c '{{ restic_backup_stdin_command }} | /usr/bin/restic backup \
--retry-lock {{ restic_retry_lock | default('5m') }} \
--verbose --stdin \
--stdin-filename {{ restic_backup_stdin_command_filename }}'
{% else %}
ExecStart=/usr/bin/restic --verbose backup {{ restic_backup_paths | join(' ') }}
ExecStart=/opt/restic-backup-directories.sh {{ restic_backup_paths | join(' ') }}
{% endif %}
{% if restic_forget_prune | default(true) %}
ExecStartPost=/usr/bin/restic forget --prune \
--retry-lock {{ restic_retry_lock | default('5m') }} \
--keep-within={{ restic_policy.keep_within }} \
--keep-hourly={{ restic_policy.hourly }} \
--keep-daily={{ restic_policy.daily }} \
--keep-weekly={{ restic_policy.weekly }} \
--keep-monthly={{ restic_policy.monthly }} \
--keep-yearly={{ restic_policy.yearly }}
{% endif %}
{% if restic_list_snapshots | default(true) %}
ExecStartPost=-/usr/bin/restic snapshots --retry-lock {{ restic_retry_lock | default('5m') }}
{% endif %}
ExecStartPost=/usr/bin/restic forget --prune --keep-within={{ restic_policy.keep_within }} --keep-hourly={{ restic_policy.hourly }} --keep-daily={{ restic_policy.daily }} --keep-weekly={{ restic_policy.weekly }} --keep-monthly={{ restic_policy.monthly }}
ExecStartPost=-/usr/bin/restic snapshots
{% if restic_backup_post_hook | default(false) %}
ExecStartPost=-{{ restic_backup_post_hook }}
{% endif %}
ExecStartPost=/usr/bin/restic check
{% if restic_check | default(true) %}
ExecStartPost=/usr/bin/restic check --retry-lock {{ restic_retry_lock | default('5m') }}
{% endif %}