bundlewrap/bundles/systemd-swap/items.py

54 lines
1.4 KiB
Python

size = node.metadata.get('systemd-swap')
actions = {
'stop_swap': {
'command': f'systemctl stop swapfile.swap',
'unless': f'! systemctl is-active swapfile.swap',
'triggered': True,
},
'remove_swapfile': {
'command': f'rm /swapfile',
'unless': f'! test -e /swapfile',
'triggered': True,
'needs': {
'action:stop_swap',
},
},
'create_swapfile': {
'command': f'fallocate -l {size} /swapfile',
'unless': f'stat -c %s /swapfile | grep ^{size}$',
'preceded_by': {
'action:stop_swap',
'action:remove_swapfile',
},
'triggers': {
'svc_systemd:swapfile.swap:restart',
},
},
'swapfile_mode': {
'command': f'chmod 600 /swapfile',
'unless': f'stat -c "%a" /swapfile | grep -q "^600$"',
'needs': {
'action:create_swapfile',
},
'triggers': {
'svc_systemd:swapfile.swap:restart',
},
},
'initialize_swapfile': {
'command': f'mkswap /swapfile',
'unless': 'blkid -o value -s TYPE /swapfile | grep -q "^swap$"',
'needs': {
'action:swapfile_mode',
}
},
}
svc_systemd = {
'swapfile.swap': {
'needs': {
'action:initialize_swapfile',
'action:systemd-reload',
},
},
}