bundlewrap/bundles/zfs/items.py

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from json import dumps
from os.path import join
from bundlewrap.metadata import MetadataJSONEncoder
actions = {
# For some reason, this module doesn't get auto-loaded on debian,
# even if installation of zfsutils-linux tries to start
# zfs-mount.service. We have no choice but to do it manually.
'modprobe_zfs': {
'command': 'modprobe zfs',
'unless': 'lsmod | grep ^zfs',
'needs': {
'pkg_apt:zfs-dkms',
},
'needed_by': {
'pkg_apt:zfs-zed',
'pkg_apt:zfsutils-linux',
'zfs_dataset:',
'zfs_pool:',
},
},
}
files = {
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'/etc/modprobe.d/zfs.conf': {
'source': 'zfs-modprobe.conf',
'content_type': 'mako',
'mode': '0755',
},
'/etc/zfs-snapshot-config.json': {
'content': dumps(
node.metadata.get('zfs', {}).get('snapshots', {}),
cls=MetadataJSONEncoder, # turns sets into sorted lists
indent=4,
sort_keys=True,
) + '\n',
},
'/etc/zfs/zed.d/zed.rc': {
'content': 'ZED_EMAIL_ADDR="hostmaster@kunbox.net"\nZED_EMAIL_PROG="mail"\nZED_NOTIFY_INTERVAL_SECS=3600\n',
'mode': '0600',
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'triggers': {
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'svc_systemd:zfs-zed:restart'
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},
},
'/usr/local/sbin/zfs-auto-snapshot': {
'mode': '0755',
},
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'/usr/local/share/icinga/plugins/check_zfs_auto_snapshot': {
'mode': '0755',
},
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'/usr/local/share/icinga/plugins/check_zfs_old_snapshots': {
'mode': '0755',
},
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"/usr/local/share/icinga/plugins/check_zfs_volumes": {
'mode': '0755',
'content_type': 'mako',
},
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"/usr/local/share/icinga/plugins/check_zpool_online": {
'mode': '0755',
},
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"/usr/local/share/icinga/plugins/check_zpool_space": {
'mode': '0755',
},
}
svc_systemd = {
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'zfs-zed': {
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'needs': {
'pkg_apt:zfs-zed'
},
},
}
zfs_datasets = node.metadata.get('zfs', {}).get('datasets', {})
zfs_pools = {}
for name, attrs in node.metadata.get('zfs', {}).get('pools', {}).items():
zfs_pools[name] = attrs
# Not yet supported on debian buster
#actions[f'pool_{name}_enable_trim'] = {
# 'command': f'zpool set autotrim=on {name}',
# 'unless': f'zpool get autotrim -H -o value {name} | grep -q on',
# 'needs': [
# f'zfs_pool:{name}'
# ]
#}
directories = {
"/etc/zfs-snapshot-backup-pre.d": {
'purge': True,
},
"/etc/zfs-snapshot-backup-post.d": {
'purge': True,
},
"/etc/zfs-snapshot-backup-final.d": {
'purge': True,
},
}
# TODO implement when we start managing backups via bundlewrap
#if node.metadata.get('zfs', {}).get('snapshots', {}).get('backup', {}).get('enabled', True):
# directories["/mnt/zfs-snapshot-backup"] = {}
#
# files["/usr/local/sbin/zfs-backup-snapshot"] = {
# 'content_type': 'mako',
# 'context': {
# # Set by our own metadata processor, guaranteed to exist.
# 'filesystems': node.metadata['zfs']['snapshots']['backup']['filesystems_with_snapshot'],
# },
# 'mode': '0755',
# }
# files["/usr/local/sbin/zfs-backup-snapshot-unmount"] = {
# 'content_type': 'mako',
# 'context': {
# # Set by our own metadata processor, guaranteed to exist.
# 'filesystems': node.metadata['zfs']['snapshots']['backup']['filesystems_with_snapshot'],
# },
# 'mode': '0755',
# }
#
#else:
# files["/mnt/zfs-snapshot-backup"] = {'delete': True}
# TODO when we start using telegraf
#if node.has_bundle('telegraf'):
# files['/etc/telegraf-zfs-dataset.conf'] = {
# 'content': dumps(
# node.metadata.get('zfs', {}),
# cls=MetadataJSONEncoder,
# indent=4,
# sort_keys=True,
# ) + '\n',
# }
# files['/usr/local/bin/telegraf-zfs-dataset'] = {
# 'mode': '0775',
# }