packstack/packstack/plugins/nagios_910.py

112 lines
3.8 KiB
Python

# -*- coding: utf-8 -*-
# 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.
"""
Installs and configures Nagios
"""
from packstack.installer import basedefs
from packstack.installer import validators
from packstack.installer import processors
from packstack.installer import utils
from packstack.modules.documentation import update_params_usage
from packstack.modules.common import filtered_hosts
# ------------- Nagios Packstack Plugin Initialization --------------
PLUGIN_NAME = "OS-Nagios"
PLUGIN_NAME_COLORED = utils.color_text(PLUGIN_NAME, 'blue')
def initConfig(controller):
params = [
{"CMD_OPTION": "nagios-passwd",
"PROMPT": "Enter the password for the nagiosadmin user",
"OPTION_LIST": [],
"VALIDATORS": [validators.validate_not_empty],
"PROCESSORS": [processors.process_password],
"DEFAULT_VALUE": "PW_PLACEHOLDER",
"MASK_INPUT": True,
"LOOSE_VALIDATION": True,
"CONF_NAME": "CONFIG_NAGIOS_PW",
"USE_DEFAULT": False,
"NEED_CONFIRM": False,
"CONDITION": False},
]
update_params_usage(basedefs.PACKSTACK_DOC, params, sectioned=False)
group = {"GROUP_NAME": "NAGIOS",
"DESCRIPTION": "Nagios Config parameters",
"PRE_CONDITION": "CONFIG_NAGIOS_INSTALL",
"PRE_CONDITION_MATCH": "y",
"POST_CONDITION": False,
"POST_CONDITION_MATCH": True}
controller.addGroup(group, params)
def initSequences(controller):
if controller.CONF['CONFIG_NAGIOS_INSTALL'] != 'y':
return
nagiossteps = [
{'title': 'Preparing Nagios server entries',
'functions': [create_manifest]},
{'title': 'Preparing Nagios host entries',
'functions': [create_nrpe_manifests]}
]
controller.addSequence("Installing Nagios", [], [], nagiossteps)
# -------------------------- step functions --------------------------
def create_manifest(config, messages):
config['CONFIG_NAGIOS_NODES'] = list(filtered_hosts(config))
openstack_services = []
openstack_services.append('keystone-user-list')
if config['CONFIG_GLANCE_INSTALL'] == 'y':
openstack_services.append('glance-index')
if config['CONFIG_NOVA_INSTALL'] == 'y':
openstack_services.append('nova-list')
if config['CONFIG_CINDER_INSTALL'] == 'y':
openstack_services.append('cinder-list')
if config['CONFIG_SWIFT_INSTALL'] == 'y':
openstack_services.append('swift-list')
config['CONFIG_NAGIOS_SERVICES'] = openstack_services
def create_nrpe_manifests(config, messages):
for hostname in filtered_hosts(config):
config['CONFIG_NRPE_HOST'] = hostname
# Only the Nagios host is allowed to talk to nrpe
fw_details = dict()
key = "nagios_nrpe"
fw_details.setdefault(key, {})
fw_details[key]['host'] = "%s" % config['CONFIG_CONTROLLER_HOST']
fw_details[key]['service_name'] = "nagios-nrpe"
fw_details[key]['chain'] = "INPUT"
fw_details[key]['ports'] = ['5666']
fw_details[key]['proto'] = "tcp"
config['FIREWALL_NAGIOS_NRPE_RULES'] = fw_details
messages.append("To use Nagios, browse to "
"http://%(CONFIG_CONTROLLER_HOST)s/nagios "
"username: nagiosadmin, password: %(CONFIG_NAGIOS_PW)s"
% config)