class AgentV1(object):
'''
contains the main logic for processing
This object is compatible with API Version 1
'''
def __init__(self, conf):
'''
conf: argparse dict
'''
tool_dir = {}
if 'pwd' in conf and conf['pwd']:
tool_dir = {'tool_dir': PWD_TOOLING}
# Create the Client Object
self.client = CSClient(**conf)
self.client.test_connection()
# Get any optional tooling from the Config Server
tooling_status, tarball = self.client.get_tooling()
if tooling_status != 200:
LOGGER.error('Get Tooling returned: %s' % tooling_status)
raise AAErrorGetTooling('Get Tooling returned: %s' % tooling_status)
self.tooling = Tooling(tarball, **tool_dir)
def run(self):
'''
Main agent loop, called by main() in /usr/bin/audrey
'''
# 0 means don't run again
# -1 is non zero so initial runs will happen
config_status = -1
provides_status = -1
max_retry = MAX_RETRY
loop_count = 60
services = []
# Process the Requires and Provides parameters until the HTTP status
# from the get_configs and the get_params both return 200
while config_status or provides_status:
LOGGER.debug('Config Parameter status: ' + str(config_status))
LOGGER.debug('Return Parameter status: ' + str(provides_status))
# Get the Required Configs from the Config Server
if config_status:
config_status, configs = self.client.get_configs()
# Configure the system with the provided Required Configs
if config_status == 200:
services = Service.parse_require_config(configs, self.tooling)
self.tooling.invoke_tooling(services)
# don't do any more config status work
# now that the tooling has run
config_status = 0
else:
LOGGER.info(
'No configuration parameters provided. status: ' + \
str(config_status))
# Get the requested provides from the Config Server
if provides_status:
get_status = self.client.get_provides()[0]
# Gather the values from the system for the requested provides
if get_status == 200:
params_values = Provides().generate_cs_str()
else:
params_values = '|&|'
# Put the requested provides with values to the Config Server
provides_status = self.client.put_provides(params_values)[0]
if provides_status == 200:
# don't operate on params anymore, all have been provided.
provides_status = 0
# Retry a number of times if 404 HTTP Not Found is returned.
if config_status == 404 or provides_status == 404:
LOGGER.error('404 from Config Server.')
LOGGER.error('Required Config status: %s' % config_status)
LOGGER.info('Return Parameter status: %s' % provides_status)
max_retry -= 1
if max_retry < 0:
raise AAError('Too many 404 Config Server responses.')
if loop_count:
loop_count-=1
sleep(SLEEP_SECS)
else:
break
class TestAudreyCSClient(unittest.TestCase):
'''
Class for exercising the gets and put to and from the CS
'''
def setUp(self):
'''
If the cloud info file is not present assume running in a
UNITTEST environment. This will allow for exercising some
of the code without having to be running in a cloud VM.
'''
# Create the client Object
self.cs_client = CSClient(**DUMMY_CS_CONFIG)
self.cs_client.http = HttpUnitTest()
def test_success_get_configs(self):
'''
Success case:
- Exercise get_configs()
'''
self.cs_client.get_configs()
def test_success_get_tooling(self):
'''
Success case:
- Exercise get_tooling()
'''
self.cs_client.get_tooling()
def test_success_get_provides(self):
'''
Success case:
- Exercise get_provides()
'''
self.cs_client.get_provides()
def test_success_get_confs_n_provides(self):
'''
Success case:
- Exercise get_configs() and get_provides()
'''
self.cs_client.get_configs()
self.cs_client.get_provides()
def test_success_put_provides(self):
'''
Success case:
- Exercise put_provides_values()
'''
self.cs_client.put_provides('')
def test_error_http_status(self):
'''
Success case:
- Get a 401
'''
self.assertRaises(AAError, self.cs_client._validate_http_status,
HttpUnitTest.HttpUnitTestResponse(401))
def test_catch_get_exception(self):
'''
Success case:
- get fails but audrey recovers
'''
self.cs_client._get('http://hostname/raiseException')
def test_catch_put_exception(self):
'''
Success case:
- put fails but audrey recovers
'''
self.cs_client._put('http://hostname/raiseException')
def test_failed_version(self):
audrey.csclient.VERSION_URL = '/badversion'
self.assertRaises(AAErrorApiNegotiation,
self.cs_client.test_connection)
class AgentV1(object):
'''
contains the main logic for processing
This object is compatible with API Version 1
'''
def __init__(self, conf):
'''
conf: argparse dict
'''
tool_dir = {}
if 'pwd' in conf and conf['pwd']:
tool_dir = {'tool_dir': PWD_TOOLING}
# Create the Client Object
self.client = CSClient(**conf)
self.client.test_connection()
# Get any optional tooling from the Config Server
tooling_status, tarball = self.client.get_tooling()
if tooling_status != 200:
LOGGER.error('Get Tooling returned: %s' % tooling_status)
raise AAErrorGetTooling('Get Tooling returned: %s' %
tooling_status)
self.tooling = Tooling(tarball, **tool_dir)
def run(self):
'''
Main agent loop, called by main() in /usr/bin/audrey
'''
# 0 means don't run again
# -1 is non zero so initial runs will happen
config_status = -1
provides_status = -1
max_retry = MAX_RETRY
loop_count = 60
services = []
# Process the Requires and Provides parameters until the HTTP status
# from the get_configs and the get_params both return 200
while config_status or provides_status:
LOGGER.debug('Config Parameter status: ' + str(config_status))
LOGGER.debug('Return Parameter status: ' + str(provides_status))
# Get the Required Configs from the Config Server
if config_status:
config_status, configs = self.client.get_configs()
# Configure the system with the provided Required Configs
if config_status == 200:
services = Service.parse_require_config(
configs, self.tooling)
self.tooling.invoke_tooling(services)
# don't do any more config status work
# now that the tooling has run
config_status = 0
else:
LOGGER.info(
'No configuration parameters provided. status: ' + \
str(config_status))
# Get the requested provides from the Config Server
if provides_status:
get_status = self.client.get_provides()[0]
# Gather the values from the system for the requested provides
if get_status == 200:
params_values = Provides().generate_cs_str()
else:
params_values = '|&|'
# Put the requested provides with values to the Config Server
provides_status = self.client.put_provides(params_values)[0]
if provides_status == 200:
# don't operate on params anymore, all have been provided.
provides_status = 0
# Retry a number of times if 404 HTTP Not Found is returned.
if config_status == 404 or provides_status == 404:
LOGGER.error('404 from Config Server.')
LOGGER.error('Required Config status: %s' % config_status)
LOGGER.info('Return Parameter status: %s' % provides_status)
max_retry -= 1
if max_retry < 0:
raise AAError('Too many 404 Config Server responses.')
if loop_count:
loop_count -= 1
sleep(SLEEP_SECS)
else:
break
