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Diffstat (limited to 'compass-tasks/actions/health_check/check_dhcp.py')
| -rw-r--r-- | compass-tasks/actions/health_check/check_dhcp.py | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/compass-tasks/actions/health_check/check_dhcp.py b/compass-tasks/actions/health_check/check_dhcp.py deleted file mode 100644 index e3bae1e..0000000 --- a/compass-tasks/actions/health_check/check_dhcp.py +++ /dev/null @@ -1,184 +0,0 @@ -# Copyright 2014 Huawei Technologies Co. Ltd -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -"""Health Check module for DHCP service.""" -import commands -import os -import re -import socket -import xmlrpclib - -from compass.actions.health_check import base - - -class DhcpCheck(base.BaseCheck): - """dhcp health check class.""" - - NAME = "DHCP Check" - - def run(self): - """do health check.""" - method_name = "self.check_" + self.os_installer['name'] + "_dhcp()" - return eval(method_name) - - def check_cobbler_dhcp(self): - """Checks if Cobbler has taken over DHCP service.""" - - try: - remote = xmlrpclib.Server( - self.os_installer['cobbler_url'], - allow_none=True) - credentials = self.os_installer['credentials'] - remote.login( - credentials['username'], credentials['password']) - except Exception: - self._set_status( - 0, - "[%s]Error: Cannot login to Cobbler with " - "the tokens provided in the config file" % self.NAME) - return (self.code, self.messages) - - cobbler_settings = remote.get_settings() - if cobbler_settings['manage_dhcp'] == 0: - self.messages.append( - "[%s]Info: DHCP service is " - "not managed by Compass" % self.NAME) - self.code = 0 - return (self.code, self.messages) - - self.check_cobbler_dhcp_template() - print "[Done]" - self.check_dhcp_service() - self.check_dhcp_netmask() - print "[Done]" - if self.code == 1: - self.messages.append( - "[%s]Info: DHCP health check has completed. " - "No problems found, all systems go." % self.NAME) - - return (self.code, self.messages) - - def check_cobbler_dhcp_template(self): - """Validates Cobbler's DHCP template file.""" - print "Checking DHCP template......", - if os.path.exists("/etc/cobbler/dhcp.template"): - var_map = { - "match_next_server": False, - "match_subnet": False, - "match_filename": False, - "match_range": False, - } - - ip_regex = re.compile(r'^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$') - - dhcp_template = open("/etc/cobbler/dhcp.template") - for line in dhcp_template.readlines(): - if line.find("next_server") != -1: - elmlist = line.split(" ") - for elm in elmlist: - if ";" in elm: - elm = elm[:-2] - - if "$next_server" in elm or ip_regex.match(elm): - var_map["match_next_server"] = True - - elif line.find("subnet") != -1 and line.find("{") != -1: - elmlist = line.split(" ") - for elm in elmlist: - if ip_regex.match(elm): - if elm[-1] == "0" and "255" not in elm: - var_map["match_subnet"] = True - elif elm[-1] != "0": - self.messages.append( - "[%s]Error: Subnet should be set " - "in the form of 192.168.0.0 in" - "/etc/cobbler/dhcp.template" % self.NAME) - - elif line.find("filename") != -1: - var_map["match_filename"] = True - elif line.find("range dynamic-bootp") != -1: - elmlist = line.split(" ") - ip_count = 0 - for elm in elmlist: - if ";" in elm and "\n" in elm: - elm = elm[:-2] - - if ip_regex.match(elm): - ip_count += 1 - - if ip_count != 2: - self.messages.append( - "[%s]Error: DHCP range should be set " - "between two IP addresses in " - "/etc/cobbler/dhcp.template" % self.NAME) - else: - var_map["match_range"] = True - - dhcp_template.close() - fails = [] - for var in var_map.keys(): - if var_map[var] is False: - fails.append(var) - - if len(fails) != 0: - self._set_status( - 0, - "[%s]Info: DHCP template file " - "failed components: %s" % ( - self.NAME, ' '.join(failed for failed in fails))) - - else: - self._set_status( - 0, - "[%s]Error: DHCP template file doesn't exist, " - "health check failed." % self.NAME) - - return True - - def check_dhcp_netmask(self): - with open('/etc/dhcp/dhcpd.conf') as conf_reader: - lines = conf_reader.readlines() - for line in lines: - if re.search('^subnet', line): - elm_list = line.split(' ') - break - subnet_ip = elm_list[1] - netmask = elm_list[-2] - subnet_ip_elm = subnet_ip.split('.') - netmask_elm = netmask.split('.') - for index, digit in enumerate(subnet_ip_elm): - if int(digit) & int(netmask_elm[index]) != int(digit): - self._set_status( - 0, - "[%s]Info: DHCP subnet IP and " - "netmask do not match" % self.NAME) - break - return True - - def check_dhcp_service(self): - """Checks if DHCP is running on port 67.""" - print "Checking DHCP service......", - if not commands.getoutput('pgrep dhcp'): - self._set_status( - 0, - "[%s]Error: dhcp service does not " - "seem to be running" % self.NAME) - - if socket.getservbyport(67) != 'bootps': - self._set_status( - 0, - "[%s]Error: bootps is not listening " - "on port 67" % self.NAME) - - return True |