xiaodongwang 7f080e4e51 fix pep8 warning and move major util code from bin to compass dir.
Change-Id: I7baa536888db1ca46cadcdf07ef9cc0a1a3a12fb
2014-02-19 22:25:45 -08:00

320 lines
12 KiB
Python

"""package instaler chef plugin.
.. moduleauthor:: Xiaodong Wang <xiaodongwang@gmail.com>
"""
import fnmatch
import logging
from compass.utils import util
from compass.config_management.installers import package_installer
from compass.config_management.utils.config_translator import ConfigTranslator
from compass.config_management.utils.config_translator import KeyTranslator
from compass.config_management.utils import config_translator_callbacks
from compass.utils import setting_wrapper as setting
TO_CLUSTER_TRANSLATORS = {
'openstack': ConfigTranslator(
mapping={
'/security/console_credentials': [KeyTranslator(
translated_keys=['credential/identity/users/admin'],
)],
'/security/service_credentials': [KeyTranslator(
translated_keys=[
'/credential/identity/users/compute',
'/credential/identity/users/image',
'/credential/identity/users/metering',
'/credential/identity/users/network',
'/credential/identity/users/object-store',
'/credential/identity/users/volume',
'/credential/mysql/compute',
'/credential/mysql/dashboard',
'/credential/mysql/identity',
'/credential/mysql/image',
'/credential/mysql/metering',
'/credential/mysql/network',
'/credential/mysql/volume',
]
)],
'/security/service_credentials/password': [KeyTranslator(
translated_keys=[
'/credential/mysql/super/password',
]
)],
'/networking/interfaces/management/nic': [KeyTranslator(
translated_keys=['/networking/control/interface'],
)],
'/networking/global/ntp_server': [KeyTranslator(
translated_keys=['/ntp/ntpserver']
)],
'/networking/interfaces/storage/nic': [KeyTranslator(
translated_keys=['/networking/storage/interface']
)],
'/networking/interfaces/public/nic': [KeyTranslator(
translated_keys=['/networking/public/interface']
)],
'/networking/interfaces/tenant/nic': [KeyTranslator(
translated_keys=[
'/networking/tenant/interface',
'/networking/plugins/ovs/gre/local_ip_interface'
]
)],
}
),
}
FROM_CLUSTER_TRANSLATORS = {
'openstack': ConfigTranslator(
mapping={
'/role_assign_policy': [KeyTranslator(
translated_keys=['/role_assign_policy']
)],
'/dashboard_roles': [KeyTranslator(
translated_keys=['/dashboard_roles']
)],
}
),
}
TO_HOST_TRANSLATORS = {
'openstack': ConfigTranslator(
mapping={
'/networking/interfaces/management/ip': [KeyTranslator(
translated_keys=[
'/db/mysql/bind_address',
'/mq/rabbitmq/bind_address',
'/endpoints/compute/metadata/host',
'/endpoints/compute/novnc/host',
'/endpoints/compute/service/host',
'/endpoints/compute/xvpvnc/host',
'/endpoints/ec2/admin/host',
'/endpoints/ec2/service/host',
'/endpoints/identity/admin/host',
'/endpoints/identity/service/host',
'/endpoints/image/registry/host',
'/endpoints/image/service/host',
'/endpoints/metering/service/host',
'/endpoints/network/service/host',
'/endpoints/volume/service/host',
],
translated_value=config_translator_callbacks.get_value_if,
from_values={'condition': '/has_dashboard_roles'}
)],
}
),
}
class Installer(package_installer.Installer):
"""chef package installer."""
NAME = 'chef'
def __init__(self, **kwargs):
super(Installer, self).__init__(**kwargs)
import chef
self.installer_url_ = setting.CHEF_INSTALLER_URL
self.global_databag_name_ = setting.CHEF_GLOBAL_DATABAG_NAME
self.api_ = chef.autoconfigure()
logging.debug('%s instance created', self)
def __repr__(self):
return '%s[name=%s,installer_url=%s,global_databag_name=%s]' % (
self.__class__.__name__, self.installer_url_,
self.NAME, self.global_databag_name_)
@classmethod
def _cluster_databag_name(cls, clusterid, target_system):
"""get cluster databag name"""
return '%s_%s' % (target_system, str(clusterid))
@classmethod
def _get_client_name(cls, hostname, clusterid, target_system):
"""get client name"""
return cls._get_node_name(hostname, clusterid, target_system)
@classmethod
def _get_node_name(cls, hostname, clusterid, target_system):
"""get node name"""
return '%s_%s_%s' % (hostname, target_system, clusterid)
def os_installer_config(self, config, target_system, **kwargs):
"""get os installer config."""
clusterid = config['clusterid']
roles = config['roles']
return {
'%s_url' % self.NAME: self.installer_url_,
'run_list': ','.join(
['"role[%s]"' % role for role in roles if role]),
'cluster_databag': self._cluster_databag_name(
clusterid, target_system),
'chef_client_name': self._get_client_name(
config['hostname'], config['clusterid'],
target_system),
'chef_node_name': self._get_node_name(
config['hostname'], config['clusterid'],
target_system)
}
def get_target_systems(self, oses):
"""get target systems."""
from chef import DataBag
databags = DataBag.list(api=self.api_)
target_systems = {}
for os_version in oses:
target_systems[os_version] = []
for databag in databags:
target_system = databag
global_databag_item = self._get_global_databag_item(
self._get_databag(target_system))
support_oses = global_databag_item['support_oses']
for os_version in oses:
for support_os in support_oses:
if fnmatch.fnmatch(os_version, support_os):
target_systems[os_version].append(target_system)
break
return target_systems
def get_roles(self, target_system):
"""get supported roles."""
global_databag_item = self._get_global_databag_item(
self._get_databag(target_system))
return global_databag_item['all_roles']
def _get_databag(self, target_system):
"""get databag."""
import chef
return chef.DataBag(target_system, api=self.api_)
def _get_databag_item(self, bag, bag_item_name):
"""get databag item."""
from chef import DataBagItem
return DataBagItem(bag, bag_item_name, api=self.api_)
def _get_global_databag_item(self, bag):
"""get global databag item."""
return self._get_databag_item(
bag, self.global_databag_name_)
def _get_cluster_databag_item(self, bag, clusterid, target_system):
"""get cluster databag item."""
return self._get_databag_item(
bag, self._cluster_databag_name(clusterid, target_system))
def get_cluster_config(self, clusterid, target_system, **kwargs):
"""get cluster config."""
bag = self._get_databag(target_system)
global_bag_item = dict(self._get_global_databag_item(bag))
bag_item = dict(self._get_cluster_databag_item(
bag, clusterid, target_system))
util.merge_dict(bag_item, global_bag_item, False)
return FROM_CLUSTER_TRANSLATORS[target_system].translate(bag_item)
def clean_cluster_config(self, clusterid, config,
target_system, **kwargs):
"""clean cluster config."""
try:
bag = self._get_databag(target_system)
bag_item = self._get_cluster_databag_item(
bag, clusterid, target_system)
bag_item.delete()
logging.debug('databag item is removed for cluster %s '
'config %s target_system %s',
clusterid, config, target_system)
except Exception:
logging.debug('no databag item to delete for cluster %s '
'config %s target_system %s',
clusterid, config, target_system)
def update_cluster_config(self, clusterid, config,
target_system, **kwargs):
"""update cluster config."""
self.clean_cluster_config(clusterid, config,
target_system, **kwargs)
bag = self._get_databag(target_system)
global_bag_item = dict(self._get_global_databag_item(bag))
bag_item = self._get_cluster_databag_item(
bag, clusterid, target_system)
bag_item_dict = dict(bag_item)
util.merge_dict(bag_item_dict, global_bag_item, False)
translated_config = TO_CLUSTER_TRANSLATORS[target_system].translate(
config)
util.merge_dict(bag_item_dict, translated_config)
for key, value in bag_item_dict.items():
bag_item[key] = value
bag_item.save()
def _clean_client(self, hostid, config, target_system, **kwargs):
"""clean client"""
from chef import Client
try:
client = Client(
self._get_client_name(
config['hostname'], config['clusterid'], target_system),
api=self.api_)
client.delete()
logging.debug('client is removed for host %s '
'config %s target_system %s',
hostid, config, target_system)
except Exception:
logging.debug('no client to delete for host %s '
'config %s target_system %s',
hostid, config, target_system)
def _clean_node(self, hostid, config, target_system, **kwargs):
"""clean node"""
from chef import Node
try:
node = Node(
self._get_node_name(
config['hostname'], config['clusterid'], target_system),
api=self.api_
)
node.delete()
logging.debug('node is removed for host %s '
'config %s target_system %s',
hostid, config, target_system)
except Exception:
logging.debug('no node to delete for host %s '
'config %s target_system %s',
hostid, config, target_system)
def clean_host_config(self, hostid, config, target_system, **kwargs):
"""clean host config."""
self._clean_client(hostid, config, target_system, **kwargs)
self._clean_node(hostid, config, target_system, **kwargs)
def reinstall_host(self, hostid, config, target_system, **kwargs):
"""reinstall host."""
self._clean_client(hostid, config, target_system, **kwargs)
self._clean_node(hostid, config, target_system, **kwargs)
def update_host_config(self, hostid, config, target_system, **kwargs):
"""update host cnfig."""
self.clean_host_config(hostid, config,
target_system=target_system, **kwargs)
clusterid = config['clusterid']
bag = self._get_databag(target_system)
global_bag_item = dict(self._get_global_databag_item(bag))
bag_item = self._get_cluster_databag_item(
bag, clusterid, target_system)
bag_item_dict = dict(bag_item)
util.merge_dict(bag_item_dict, global_bag_item, False)
translated_config = TO_HOST_TRANSLATORS[target_system].translate(
config)
util.merge_dict(bag_item_dict, translated_config)
for key, value in bag_item_dict.items():
bag_item[key] = value
bag_item.save()
package_installer.register(Installer)