def __init__(self, **kwargs):
print "Python version: ", sys.version_info[:2]
self.PERSISTENT_DATA_VERSION = 3 # Current expected and generated PD version
self.DEPLOYMENT_VERSION = 2
# Instance persistent data file. This file gets created for
# test/transient cluster types and stores the cluster config. In case
# of a reboot, read the file to automatically recreate the services.
self.INSTANCE_PD_FILE = '/mnt/persistent_data-current.yaml'
cc = CloudConfig(app=self)
# Get the type of cloud currently running on
self.cloud_type = cc.get_cloud_type()
# Create an appropriate cloud connection
self.cloud_interface = cc.get_cloud_interface(self.cloud_type)
# Read config file and check for errors
self.config = config.Configuration(self, kwargs, self.cloud_interface.get_user_data())
# From user data determine if object store (S3) should be used.
self.use_object_store = self.config.get("use_object_store", True)
# From user data determine if block storage (EBS/nova-volume) should be used.
# (OpenNebula and dummy clouds do not support volumes yet so skip those)
self.use_volumes = self.config.get(
"use_volumes", self.cloud_type not in ['opennebula', 'dummy'])
# self.config.init_with_user_data(self.ud)
self.config.validate()
# Setup logging
self.logger = CMLogHandler()
if "testflag" in self.config:
self.TESTFLAG = bool(self.config['testflag'])
self.logger.setLevel(logging.DEBUG)
else:
self.TESTFLAG = False
self.logger.setLevel(logging.INFO)
if "localflag" in self.config:
self.LOCALFLAG = bool(self.config['localflag'])
self.logger.setLevel(logging.DEBUG)
else:
self.LOCALFLAG = False
self.logger.setLevel(logging.INFO)
log.addHandler(self.logger)
config.configure_logging(self.config)
log.debug("Initializing app")
log.debug("Running on '{0}' type of cloud in zone '{1}' using image '{2}'."
.format(self.cloud_type, self.cloud_interface.get_zone(),
self.cloud_interface.get_ami()))
# App-wide object to store messages that need to travel between the back-end
# and the UI.
# TODO: Ideally, this should be stored some form of more persistent
# medium (eg, database, file, session) and used as a simple module (vs. object)
# but that's hopefully still forthcoming.
self.msgs = messages.Messages()
# App-wide consecutive number generator. Starting at 1, each time `next`
# is called, get the next integer.
self.number_generator = misc.get_a_number()
# Check that we actually got user creds in user data and inform user
if not ('access_key' in self.config or 'secret_key' in self.config):
self.msgs.error("No access credentials provided in user data. "
"You will not be able to add any services.")
# Update user data to include persistent data stored in cluster's bucket, if it exists
# This enables cluster configuration to be recovered on cluster re-
# instantiation
self.manager = None
pd = None
if self.use_object_store and 'bucket_cluster' in self.config:
log.debug("Looking for existing cluster persistent data (PD).")
validate = True if self.cloud_type == 'ec2' else False
if not self.TESTFLAG and misc.get_file_from_bucket(
self.cloud_interface.get_s3_connection(),
self.config['bucket_cluster'],
'persistent_data.yaml', 'pd.yaml',
validate=validate):
log.debug("Loading bucket PD file pd.yaml")
pd = misc.load_yaml_file('pd.yaml')
# Have not found the file in the cluster bucket, look on the instance
if not pd:
if os.path.exists(self.INSTANCE_PD_FILE):
log.debug("Loading instance PD file {0}".format(self.INSTANCE_PD_FILE))
pd = misc.load_yaml_file(self.INSTANCE_PD_FILE)
if pd:
self.config.user_data = misc.merge_yaml_objects(self.config.user_data, pd)
self.config.user_data = misc.normalize_user_data(self, self.config.user_data)
else:
log.debug("No PD to go by. Setting deployment_version to {0}."
.format(self.DEPLOYMENT_VERSION))
# This is a new cluster so default to the current deployment version
self.config.user_data['deployment_version'] = self.DEPLOYMENT_VERSION
def __init__(self, **kwargs):
print "Python version: ", sys.version_info[:2]
self.PERSISTENT_DATA_VERSION = 3 # Current expected and generated PD version
self.DEPLOYMENT_VERSION = 2
cc = CloudConfig(app=self)
# Get the type of cloud currently running on
self.cloud_type = cc.get_cloud_type()
# Create an appropriate cloud connection
self.cloud_interface = cc.get_cloud_interface(self.cloud_type)
# Load user data into a local field through a cloud interface
self.ud = self.cloud_interface.get_user_data()
# From user data determine if object store (S3) should be used.
self.use_object_store = self.ud.get("use_object_store", True)
# From user data determine if block storage (EBS/nova-volume) should be used.
# (OpenNebula and dummy clouds do not support volumes yet so skip those)
self.use_volumes = self.ud.get(
"use_volumes", self.cloud_type not in ['opennebula', 'dummy'])
# Read config file and check for errors
self.config = config.Configuration(**kwargs)
self.config.init_with_user_data(self.ud)
self.config.check()
# Setup logging
self.logger = CMLogHandler(self)
if "testflag" in self.ud:
self.TESTFLAG = bool(self.ud['testflag'])
self.logger.setLevel(logging.DEBUG)
else:
self.TESTFLAG = False
self.logger.setLevel(logging.INFO)
if "localflag" in self.ud:
self.LOCALFLAG = bool(self.ud['localflag'])
self.logger.setLevel(logging.DEBUG)
else:
self.LOCALFLAG = False
self.logger.setLevel(logging.INFO)
log.addHandler(self.logger)
config.configure_logging(self.config, self.ud)
log.debug("Initializing app")
log.debug("Running on '{0}' type of cloud in zone '{1}' using image '{2}'."
.format(self.cloud_type, self.cloud_interface.get_zone(),
self.cloud_interface.get_ami()))
# App-wide object to store messages that need to travel between the back-end
# and the UI.
# TODO: Ideally, this should be stored some form of more persistent
# medium (eg, database, file, session) and used as a simple module (vs. object)
# but that's hopefully still forthcoming.
self.msgs = messages.Messages()
# Check that we actually got user creds in user data and inform user
if not ('access_key' in self.ud or 'secret_key' in self.ud):
self.msgs.error("No access credentials provided in user data. "
"You will not be able to add any services.")
# Update user data to include persistent data stored in cluster's bucket, if it exists
# This enables cluster configuration to be recovered on cluster re-
# instantiation
self.manager = None
if self.use_object_store and 'bucket_cluster' in self.ud:
log.debug("Getting pd.yaml")
if misc.get_file_from_bucket(self.cloud_interface.get_s3_connection(),
self.ud['bucket_cluster'], 'persistent_data.yaml', 'pd.yaml'):
pd = misc.load_yaml_file('pd.yaml')
self.ud = misc.merge_yaml_objects(self.ud, pd)
self.ud = misc.normalize_user_data(self, self.ud)
else:
log.debug("Setting deployment_version to {0}".format(self.DEPLOYMENT_VERSION))
# This is a new cluster so default to the current version
self.ud['deployment_version'] = self.DEPLOYMENT_VERSION
