bundlewrap/bundles/backup-client/items.py

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from os.path import join
if node.has_bundle('zfs'):
wanted_paths = node.metadata.get('backups/paths', set())
snapshot_paths = node.metadata.get('zfs/filesystems_with_backup_snapshots', {})
backup_paths = set()
for path in wanted_paths:
path_found = False
for zfs_paths in snapshot_paths.values():
if path in zfs_paths:
backup_paths.add(f'/mnt/backup-snapshot{path}')
path_found = True
if not path_found:
backup_paths.add(path)
else:
backup_paths = node.metadata.get('backups/paths', set())
if node.metadata.get('backups/exclude_from_backups', False):
# make sure nobody tries to do something funny
for file in {
'/etc/backup.priv',
'/usr/local/bin/generate-backup',
'/usr/local/bin/generate-backup-with-retries',
'/var/tmp/backup.monitoring', # status file
}:
files[file] = {
'delete': True,
}
else:
backup_target = repo.get_node(node.metadata.get('backup-client/target'))
files['/etc/backup.priv'] = {
'content': repo.libs.ssh.generate_ed25519_private_key(
node.metadata.get('backup-client/user-name'),
backup_target,
),
'mode': '0400',
}
files['/usr/local/bin/generate-backup'] = {
'content_type': 'mako',
'context': {
'username': node.metadata.get('backup-client/user-name'),
'server': backup_target.metadata.get('backup-server/my_hostname'),
'port': backup_target.metadata.get('backup-server/my_ssh_port'),
'paths': backup_paths,
},
'mode': '0700',
}
files['/usr/local/bin/generate-backup-with-retries'] = {
'mode': '0700',
}
files['/usr/local/share/icinga/plugins/check_backup_last_run'] = {
'mode': '0755',
}
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files['/etc/logrotate.d/backup-client'] = {
'delete': True,
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}
directories['/etc/backup-pre-hooks.d'] = {
'purge': True,
}
for hname, hcontent in node.metadata.get('backup-client/pre-hooks', {}).items():
files[f'/etc/backup-pre-hooks.d/50-{hname}'] = {
'content': '#!/bin/sh\n\n' + hcontent,
'mode': '0700',
}