# -*- 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 Glance

"""

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.ospluginutils import generate_ssl_cert

# ------------- Glance Packstack Plugin Initialization --------------

PLUGIN_NAME = "OS-Glance"

PLUGIN_NAME_COLORED = utils.color_text(PLUGIN_NAME, 'blue')

def initConfig(controller):

params = [

{"CMD_OPTION": "glance-db-passwd",

"PROMPT": "Enter the password for the Glance DB access",

"OPTION_LIST": [],

"VALIDATORS": [validators.validate_not_empty],

"PROCESSORS": [processors.process_password],

"DEFAULT_VALUE": "PW_PLACEHOLDER",

"MASK_INPUT": True,

"LOOSE_VALIDATION": False,

"CONF_NAME": "CONFIG_GLANCE_DB_PW",

"USE_DEFAULT": False,

"NEED_CONFIRM": True,

"CONDITION": False},

{"CMD_OPTION": "glance-ks-passwd",

"PROMPT": "Enter the password for the Glance Keystone access",

"OPTION_LIST": [],

"VALIDATORS": [validators.validate_not_empty],

"PROCESSORS": [processors.process_password],

"DEFAULT_VALUE": "PW_PLACEHOLDER",

"MASK_INPUT": True,

"LOOSE_VALIDATION": False,

"CONF_NAME": "CONFIG_GLANCE_KS_PW",

"USE_DEFAULT": False,

"NEED_CONFIRM": True,

"CONDITION": False},

{"CMD_OPTION": "glance-backend",

"PROMPT": "Glance storage backend",

"OPTION_LIST": ["file", "swift"],

"VALIDATORS": [validators.validate_options],

"PROCESSORS": [process_backend],

"DEFAULT_VALUE": "file",

"MASK_INPUT": False,

"LOOSE_VALIDATION": False,

"CONF_NAME": "CONFIG_GLANCE_BACKEND",

"USE_DEFAULT": False,

"NEED_CONFIRM": False,

"CONDITION": False},

]

update_params_usage(basedefs.PACKSTACK_DOC, params, sectioned=False)

group = {"GROUP_NAME": "GLANCE",

"DESCRIPTION": "Glance Config parameters",

"PRE_CONDITION": "CONFIG_GLANCE_INSTALL",

"PRE_CONDITION_MATCH": "y",

"POST_CONDITION": False,

"POST_CONDITION_MATCH": True}

controller.addGroup(group, params)

def initSequences(controller):

conf = controller.CONF

if conf['CONFIG_GLANCE_INSTALL'] != 'y':

if conf['CONFIG_NOVA_INSTALL'] == 'y':

raise RuntimeError('Glance is required to install Nova properly. '

'Please set CONFIG_GLANCE_INSTALL=y')

return

glancesteps = [

{'title': 'Preparing Glance entries',

'functions': [create_manifest]}

]

controller.addSequence("Installing OpenStack Glance", [], [], glancesteps)

# ------------------------- helper functions -------------------------

def process_backend(value, param_name, config):

if value == 'swift' and config['CONFIG_SWIFT_INSTALL'] != 'y':

return 'file'

return value

# -------------------------- step functions --------------------------

def create_manifest(config, messages):

if config['CONFIG_AMQP_ENABLE_SSL'] == 'y':

ssl_host = config['CONFIG_STORAGE_HOST']

ssl_cert_file = config['CONFIG_GLANCE_SSL_CERT'] = (

'/etc/pki/tls/certs/ssl_amqp_glance.crt'

)

ssl_key_file = config['CONFIG_GLANCE_SSL_KEY'] = (

'/etc/pki/tls/private/ssl_amqp_glance.key'

)

service = 'glance'

generate_ssl_cert(config, ssl_host, service, ssl_key_file,

ssl_cert_file)

fw_details = dict()

key = "glance_api"

fw_details.setdefault(key, {})

fw_details[key]['host'] = "ALL"

fw_details[key]['service_name'] = "glance"

fw_details[key]['chain'] = "INPUT"

fw_details[key]['ports'] = ['9292']

fw_details[key]['proto'] = "tcp"

config['FIREWALL_GLANCE_RULES'] = fw_details