from re import sub

files['/etc/exports'] = {
    'content_type': 'mako',
    'triggers': {
        'action:nfs_reload_shares',
    },
}

files['/etc/default/nfs-kernel-server'] = {
    'source': 'etc-default',
    'triggers': {
        'svc_systemd:nfs-server:restart',
    },
}

actions['nfs_reload_shares'] = {
    'command': 'exportfs -a',
    'triggered': True,
}

svc_systemd['nfs-server'] = {}

if node.has_bundle('avahi-daemon'):
    for path, shares in node.metadata.get('nfs-server/shares', {}).items():
        create_avahi_file = False
        for share_target, share_options in shares.items():
            if ',insecure,' in f',{share_options},':
                create_avahi_file = True

        if create_avahi_file:
            share_name_normalized = sub('[^a-z0-9-_]+', '_', path)

            files[f'/etc/avahi/services/nfs{share_name_normalized}.service'] = {
                'source': 'avahi.service',
                'content_type': 'mako',
                'context': {
                    'path': path,
                },
            }