c1335a72d9
These scripts are based on my personal "Don't Delay Backups" project, which is not yet available as a public role.
71 lines
1.9 KiB
Django/Jinja
71 lines
1.9 KiB
Django/Jinja
#! /usr/bin/python3
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"""
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Rotate backups with appropriate rsnapshot level(s).
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{% if 'timing_plan' in item.value %}
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{% set timing_plan = item.value.timing_plan %}
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{% else %}
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{% set timing_plan = 'normal' %}
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{% endif %}
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{% if timing_plan in rsnapshot_push_defaults.timing_plans %}
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{% set plan = rsnapshot_push_defaults.timing_plans[timing_plan] %}
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{% endif %}
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{% if 'timing_plans' in rsnapshot_push and timing_plan in rsnapshot_push.timing_plans %}
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{% set plan = rsnapshot_push.timing_plans[timing_plan] %}
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{% endif %}
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"""
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import json
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import time
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import subprocess
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DB = "{{ '/'.join([rsnapshot_push.backup_dir, item.key, 'rsnapshot_push.db']) }}"
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CONFIG = "{{ '/'.join([rsnapshot_push.backup_dir, item.key, 'rsnapshot.conf']) }}"
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LEVELS = {
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{% for name, spec in plan.items() %}
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'{{ name }}': {{ spec[0] }},
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{% endfor %}
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}
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def _get_db():
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try:
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with open(DB, 'r') as fdb:
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db_dict = json.loads(fdb.read())
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except FileNotFoundError:
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db_dict = {}
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# initiate the levels which are not yet in DB
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now = time.time()
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force_reset = False
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for key in LEVELS:
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if key not in db_dict or force_reset:
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db_dict[key] = now
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force_reset = True
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return db_dict
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def rotate(database):
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""" rotate backups as needed, per last runs stored in database """
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now = time.time()
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for level, delay in sorted(LEVELS.items(), key=lambda x: x[1]):
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cmd = ['/bin/rsnapshot', '-c', CONFIG, level]
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last_run = database[level]
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if (now - last_run) > delay:
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print("running " + ' '.join(cmd))
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subprocess.check_call(cmd)
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database[level] = now
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else:
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print("skipping " + level)
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def _main():
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database = _get_db()
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try:
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rotate(database)
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finally:
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with open(DB, 'w') as fdb:
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fdb.write(json.dumps(database))
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if __name__ == "__main__":
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_main()
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