diff options
Diffstat (limited to 'python/vyos/ifconfig/vrrp.py')
| -rw-r--r-- | python/vyos/ifconfig/vrrp.py | 64 |
1 files changed, 40 insertions, 24 deletions
diff --git a/python/vyos/ifconfig/vrrp.py b/python/vyos/ifconfig/vrrp.py index d3d31cc07..a3657370f 100644 --- a/python/vyos/ifconfig/vrrp.py +++ b/python/vyos/ifconfig/vrrp.py @@ -26,34 +26,37 @@ from vyos.utils.file import read_file from vyos.utils.file import wait_for_file_write_complete from vyos.utils.process import process_running + class VRRPError(Exception): pass + class VRRPNoData(VRRPError): pass + class VRRP(object): _vrrp_prefix = '00:00:5E:00:01:' location = { - 'pid': '/run/keepalived/keepalived.pid', - 'fifo': '/run/keepalived/keepalived_notify_fifo', - 'state': '/tmp/keepalived.data', - 'stats': '/tmp/keepalived.stats', - 'json': '/tmp/keepalived.json', - 'daemon': '/etc/default/keepalived', - 'config': '/run/keepalived/keepalived.conf', + 'pid': '/run/keepalived/keepalived.pid', + 'fifo': '/run/keepalived/keepalived_notify_fifo', + 'state': '/tmp/keepalived.data', + 'stats': '/tmp/keepalived.stats', + 'json': '/tmp/keepalived.json', + 'daemon': '/etc/default/keepalived', + 'config': '/run/keepalived/keepalived.conf', } _signal = { - 'state': signal.SIGUSR1, - 'stats': signal.SIGUSR2, - 'json': signal.SIGRTMIN + 2, + 'state': signal.SIGUSR1, + 'stats': signal.SIGUSR2, + 'json': signal.SIGRTMIN + 2, } _name = { 'state': 'information', 'stats': 'statistics', - 'json': 'data', + 'json': 'data', } state = { @@ -64,7 +67,7 @@ class VRRP(object): # UNKNOWN } - def __init__(self,ifname): + def __init__(self, ifname): self.ifname = ifname def enabled(self): @@ -79,7 +82,7 @@ class VRRP(object): @classmethod def decode_state(cls, code): - return cls.state.get(code,'UNKNOWN') + return cls.state.get(code, 'UNKNOWN') # used in conf mode @classmethod @@ -94,16 +97,20 @@ class VRRP(object): try: # send signal to generate the configuration file pid = read_file(cls.location['pid']) - wait_for_file_write_complete(fname, - pre_hook=(lambda: os.kill(int(pid), cls._signal[what])), - timeout=30) + wait_for_file_write_complete( + fname, + pre_hook=(lambda: os.kill(int(pid), cls._signal[what])), + timeout=30, + ) return read_file(fname) except FileNotFoundError: - raise VRRPNoData("VRRP data is not available (process not running or no active groups)") + raise VRRPNoData( + 'VRRP data is not available (process not running or no active groups)' + ) except OSError: # raised by vyos.utils.file.read_file - raise VRRPNoData("VRRP data is not available (wait time exceeded)") + raise VRRPNoData('VRRP data is not available (wait time exceeded)') except Exception: name = cls._name[what] raise VRRPError(f'VRRP {name} is not available') @@ -118,22 +125,31 @@ class VRRP(object): conf = ConfigTreeQuery() if conf.exists(base): # Read VRRP configuration directly from CLI - vrrp_config_dict = conf.get_config_dict(base, key_mangling=('-', '_'), - get_first_key=True) + vrrp_config_dict = conf.get_config_dict( + base, key_mangling=('-', '_'), get_first_key=True + ) # add disabled groups to the list if 'group' in vrrp_config_dict: for group, group_config in vrrp_config_dict['group'].items(): if 'disable' not in group_config: continue - disabled.append([group, group_config['interface'], group_config['vrid'], 'DISABLED', '']) + disabled.append( + [ + group, + group_config['interface'], + group_config['vrid'], + 'DISABLED', + '', + ] + ) # return list with disabled instances return disabled @classmethod def format(cls, data): - headers = ["Name", "Interface", "VRID", "State", "Priority", "Last Transition"] + headers = ['Name', 'Interface', 'VRID', 'State', 'Priority', 'Last Transition'] groups = [] data = json.loads(data) if isinstance(data, str) else data @@ -143,7 +159,7 @@ class VRRP(object): name = data['iname'] intf = data['ifp_ifname'] vrid = data['vrid'] - state = cls.decode_state(data["state"]) + state = cls.decode_state(data['state']) priority = data['effective_priority'] since = int(time() - float(data['last_transition'])) @@ -153,4 +169,4 @@ class VRRP(object): # add to the active list disabled instances groups.extend(cls.disabled()) - return(tabulate(groups, headers)) + return tabulate(groups, headers) |