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Diffstat (limited to 'python/vyos/keepalived.py')
| -rw-r--r-- | python/vyos/keepalived.py | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/python/vyos/keepalived.py b/python/vyos/keepalived.py deleted file mode 100644 index 3984ca792..000000000 --- a/python/vyos/keepalived.py +++ /dev/null @@ -1,140 +0,0 @@ -# Copyright 2018 VyOS maintainers and contributors <maintainers@vyos.io> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library. If not, see <http://www.gnu.org/licenses/>. - -import re -import os -import signal -import json - -import vyos.util - - -pid_file = '/var/run/keepalived.pid' -state_file = '/tmp/keepalived.data' -stats_file = '/tmp/keepalived.stats' -json_file = '/tmp/keepalived.json' - -def vrrp_running(): - if not os.path.exists(vyos.keepalived.pid_file) \ - or not vyos.util.process_running(vyos.keepalived.pid_file): - return False - else: - return True - -def keepalived_running(): - return vyos.util.process_running(pid_file) - -## Clear VRRP data after showing -def remove_vrrp_data(data_file): - if data_file == "json" and os.path.exists(json_file): - os.remove(json_file) - elif data_file == "stats" and os.path.exists(stats_file): - os.remove(stats_file) - elif data_file == "state" and os.path.exists(state_file): - os.remove(state_file) - -def force_state_data_dump(): - pid = vyos.util.read_file(pid_file) - os.kill(int(pid), signal.SIGUSR1) - -def force_stats_dump(): - pid = vyos.util.read_file(pid_file) - os.kill(int(pid), signal.SIGUSR2) - -def force_json_dump(): - pid = vyos.util.read_file(pid_file) - os.kill(int(pid), signal.SIGRTMIN+2) - -def get_json_data(): - with open(json_file, 'r') as f: - j = json.load(f) - return j - -def get_statistics(): - return vyos.util.read_file(stats_file) - -def get_state_data(): - return vyos.util.read_file(state_file) - -def decode_state(code): - state = None - if code == 0: - state = "INIT" - elif code == 1: - state = "BACKUP" - elif code == 2: - state = "MASTER" - elif code == 3: - state = "FAULT" - else: - state = "UNKNOWN" - - return state - -## These functions are for the old, and hopefully obsolete plaintext -## (non machine-readable) data format introduced by Vyatta back in the days -## They are kept here just in case, if JSON output option turns out or becomes -## insufficient. - -def read_state_data(): - with open(state_file, 'r') as f: - lines = f.readlines() - return lines - -def parse_keepalived_data(data_lines): - vrrp_groups = {} - - # Scratch variable - group_name = None - - # Sadly there is no explicit end marker in that format, so we have - # only two states, one before the first VRRP instance is encountered - # and one after an instance/"group" was encountered - # We'll set group_name once the first group is encountered, - # and assume we are inside a group if it's set afterwards - # - # It may not be necessary since the keywords found inside groups and before - # the VRRP Topology section seem to have no intersection, - # but better safe than sorry. - - for line in data_lines: - if re.match(r'^\s*VRRP Instance', line, re.IGNORECASE): - # Example: "VRRP Instance = Foo" - name = re.match(r'^\s*VRRP Instance\s+=\s+(.*)$', line, re.IGNORECASE).groups()[0].strip() - group_name = name - vrrp_groups[name] = {} - elif re.match(r'^\s*State', line, re.IGNORECASE) and group_name: - # Example: " State = MASTER" - group_state = re.match(r'^\s*State\s+=\s+(.*)$', line, re.IGNORECASE).groups()[0].strip() - vrrp_groups[group_name]["state"] = group_state - elif re.match(r'^\s*Last transition', line, re.IGNORECASE) and group_name: - # Example: " Last transition = 1532043820 (Thu Jul 19 23:43:40 2018)" - trans_time = re.match(r'^\s*Last transition\s+=\s+(\d+)\s', line, re.IGNORECASE).groups()[0] - vrrp_groups[group_name]["last_transition"] = trans_time - elif re.match(r'^\s*Interface', line, re.IGNORECASE) and group_name: - # Example: " Interface = eth0.30" - interface = re.match(r'\s*Interface\s+=\s+(.*)$', line, re.IGNORECASE).groups()[0].strip() - vrrp_groups[group_name]["interface"] = interface - elif re.match(r'^\s*Virtual Router ID', line, re.IGNORECASE) and group_name: - # Example: " Virtual Router ID = 14" - vrid = re.match(r'^\s*Virtual Router ID\s+=\s+(.*)$', line, re.IGNORECASE).groups()[0].strip() - vrrp_groups[group_name]["vrid"] = vrid - elif re.match(r'^\s*------< Interfaces', line, re.IGNORECASE): - # Interfaces section appears to always be present, - # and there's nothing of interest for us below that section, - # so we use it as an end of input marker - break - - return vrrp_groups |