def set_default_values(self):
self._set_name()
self.setdefault('network', constants.DEFAULT_NETWORK_NAME)
self._set_ips_and_certs()
self._set_tenant()
# Remove the networks dict as it's no longer needed
if 'networks' in self:
self.pop('networks')
self.setdefault('node_instance_id', ctx.instance.id)
self.setdefault('queue', self['name'])
self.setdefault('rest_port',
cloudify_utils.get_manager_rest_service_port())
self.setdefault('bypass_maintenance',
cloudify_utils.get_is_bypass_maintenance())
self.setdefault('min_workers', defaults.MIN_WORKERS)
self.setdefault('max_workers', defaults.MAX_WORKERS)
self.setdefault('env', {})
self.setdefault('fabric_env', {})
self.setdefault('system_python', 'python')
self.setdefault('heartbeat', None)
self.setdefault('version', agent_utils.get_agent_version())
self.setdefault('log_level', defaults.LOG_LEVEL)
self.setdefault('log_max_bytes', defaults.LOG_FILE_SIZE)
self.setdefault('log_max_history', defaults.LOG_BACKUPS)
# detach agents dont use sudo, so they don't need disable-requiretty
self.setdefault(
'disable_requiretty',
self.get('process_management', {}).get('name') != 'detach'
)
def set_default_values(self):
self._set_name()
self.setdefault('network', constants.DEFAULT_NETWORK_NAME)
self._set_ips()
self._set_broker_cert()
# Remove the networks dict as it's no longer needed
if 'networks' in self:
self.pop('networks')
self.setdefault('node_instance_id', ctx.instance.id)
self.setdefault('queue', self['name'])
self.setdefault('rest_port',
cloudify_utils.get_manager_rest_service_port())
self.setdefault('bypass_maintenance',
cloudify_utils.get_is_bypass_maintenance())
self.setdefault('min_workers', defaults.MIN_WORKERS)
self.setdefault('max_workers', defaults.MAX_WORKERS)
self.setdefault('disable_requiretty', True)
self.setdefault('env', {})
self.setdefault('fabric_env', {})
self.setdefault('system_python', 'python')
self.setdefault('heartbeat', None)
self.setdefault('version', agent_utils.get_agent_version())
self.setdefault('log_level', defaults.LOG_LEVEL)
self.setdefault('log_max_bytes', defaults.LOG_FILE_SIZE)
self.setdefault('log_max_history', defaults.LOG_BACKUPS)
def _create_agent_env(self):
# Try to get broker credentials from the tenant. If they aren't set
# get them from the broker_config module
tenant = self.cloudify_agent.get('rest_tenant', {})
tenant_name = tenant.get('name', defaults.DEFAULT_TENANT_NAME)
broker_user = tenant.get('rabbitmq_username',
broker_config.broker_username)
broker_pass = tenant.get('rabbitmq_password',
broker_config.broker_password)
broker_vhost = tenant.get('rabbitmq_vhost',
broker_config.broker_vhost)
execution_env = {
# mandatory values calculated before the agent
# is actually created
env.CLOUDIFY_DAEMON_QUEUE: self.cloudify_agent['queue'],
env.CLOUDIFY_DAEMON_NAME: self.cloudify_agent['name'],
env.CLOUDIFY_REST_HOST: self.cloudify_agent['rest_host'],
env.CLOUDIFY_BROKER_IP: self.cloudify_agent['broker_ip'],
# Optional broker values
env.CLOUDIFY_BROKER_USER: broker_user,
env.CLOUDIFY_BROKER_PASS: broker_pass,
env.CLOUDIFY_BROKER_VHOST: broker_vhost,
env.CLOUDIFY_BROKER_SSL_ENABLED: broker_config.broker_ssl_enabled,
env.CLOUDIFY_BROKER_SSL_CERT_PATH:
self.cloudify_agent['broker_ssl_cert_path'],
# these are variables that have default values that will be set
# by the agent on the remote host if not set here
env.CLOUDIFY_DAEMON_USER: self.cloudify_agent.get('user'),
env.CLOUDIFY_REST_PORT: self.cloudify_agent.get('rest_port'),
env.CLOUDIFY_REST_TOKEN: self.cloudify_agent.get('rest_token'),
env.CLOUDIFY_REST_TENANT: tenant_name,
env.CLOUDIFY_DAEMON_MAX_WORKERS: self.cloudify_agent.get(
'max_workers'),
env.CLOUDIFY_DAEMON_MIN_WORKERS: self.cloudify_agent.get(
'min_workers'),
env.CLOUDIFY_DAEMON_PROCESS_MANAGEMENT:
self.cloudify_agent['process_management']['name'],
env.CLOUDIFY_DAEMON_WORKDIR: self.cloudify_agent['workdir'],
env.CLOUDIFY_DAEMON_EXTRA_ENV:
self.create_custom_env_file_on_target(
self.cloudify_agent.get('env', {})),
env.CLOUDIFY_BYPASS_MAINTENANCE_MODE: get_is_bypass_maintenance(),
env.CLOUDIFY_LOCAL_REST_CERT_PATH:
self.cloudify_agent['agent_rest_cert_path'],
env.CLOUDIFY_CLUSTER_NODES: base64.b64encode(json.dumps(
self.cloudify_agent.get('cluster', [])))
}
execution_env = utils.purge_none_values(execution_env)
execution_env = utils.stringify_values(execution_env)
self.logger.debug('Cloudify Agent will be created using the following '
'environment: {0}'.format(execution_env))
return execution_env
def _create_agent_env(self):
execution_env = {
# mandatory values calculated before the agent
# is actually created
env.CLOUDIFY_DAEMON_QUEUE:
self.cloudify_agent['queue'],
env.CLOUDIFY_DAEMON_NAME:
self.cloudify_agent['name'],
env.CLOUDIFY_REST_HOST:
self.cloudify_agent['rest_host'],
env.CLOUDIFY_BROKER_IP:
self.cloudify_agent['broker_ip'],
# these are variables that have default values that will be set
# by the agent on the remote host if not set here
env.CLOUDIFY_DAEMON_USER:
self.cloudify_agent.get('user'),
# broker_ip might not be set yet, and retrieved from the manager
env.CLOUDIFY_BROKER_PORT:
self.cloudify_agent.get('broker_port'),
env.CLOUDIFY_REST_PORT:
self.cloudify_agent.get('rest_port'),
env.CLOUDIFY_REST_TOKEN:
self.cloudify_agent.get('rest_token'),
env.CLOUDIFY_REST_TENANT:
self.cloudify_agent.get('rest_tenant'),
env.CLOUDIFY_DAEMON_MAX_WORKERS:
self.cloudify_agent.get('max_workers'),
env.CLOUDIFY_DAEMON_MIN_WORKERS:
self.cloudify_agent.get('min_workers'),
env.CLOUDIFY_DAEMON_PROCESS_MANAGEMENT:
self.cloudify_agent['process_management']['name'],
env.CLOUDIFY_DAEMON_WORKDIR:
self.cloudify_agent['workdir'],
env.CLOUDIFY_DAEMON_EXTRA_ENV:
self.create_custom_env_file_on_target(
self.cloudify_agent.get('env', {})),
env.CLOUDIFY_BYPASS_MAINTENANCE_MODE:
get_is_bypass_maintenance(),
env.CLOUDIFY_LOCAL_REST_CERT_PATH:
self.cloudify_agent['agent_rest_cert_path'],
env.CLOUDIFY_BROKER_SSL_CERT_PATH:
self.cloudify_agent['broker_ssl_cert_path']
}
execution_env = utils.purge_none_values(execution_env)
execution_env = utils.stringify_values(execution_env)
self.logger.debug('Cloudify Agent will be created using the following '
'environment: {0}'.format(execution_env))
return execution_env
def _cfy_agent_attributes_no_defaults(cloudify_agent):
if not cloudify_agent.get('process_management'):
cloudify_agent['process_management'] = {}
if not cloudify_agent['process_management'].get('name'):
# user did not specify process management configuration, choose the
# default one according to os type.
if cloudify_agent['windows']:
name = 'nssm'
else:
name = 'init.d'
cloudify_agent['process_management']['name'] = name
if not cloudify_agent.get('name'):
if cloudify_agent['local']:
workflows_worker = cloudify_agent.get('workflows_worker', False)
suffix = '_workflows' if workflows_worker else ''
name = '{0}{1}'.format(ctx.deployment.id, suffix)
else:
name = ctx.instance.id
cloudify_agent['name'] = name
service_name = cloudify_agent.get('service_name')
if service_name:
# service_name takes precedence over name (which is deprecated)
cloudify_agent['name'] = service_name
if not cloudify_agent.get('queue'):
# by default, queue of the agent is the same as the name
cloudify_agent['queue'] = cloudify_agent['name']
if not cloudify_agent.get('rest_host'):
cloudify_agent['rest_host'] = \
cloudify_utils.get_manager_rest_service_host()
if not cloudify_agent.get('rest_port'):
cloudify_agent['rest_port'] = \
cloudify_utils.get_manager_rest_service_port()
if not cloudify_agent.get('rest_token'):
cloudify_agent['rest_token'] = \
cloudify_utils.get_rest_token()
if not cloudify_agent.get('rest_tenant'):
cloudify_agent['rest_tenant'] = \
cloudify_utils.get_tenant_name()
if not cloudify_agent.get('bypass_maintenance'):
cloudify_agent['bypass_maintenance_mode'] = \
cloudify_utils.get_is_bypass_maintenance()
def set_default_values(self):
self._set_name()
self._set_network()
self.setdefault('queue', self['name'])
self.setdefault('rest_port',
cloudify_utils.get_manager_rest_service_port())
self.setdefault('bypass_maintenance',
cloudify_utils.get_is_bypass_maintenance())
self.setdefault('min_workers', 0)
self.setdefault('max_workers', 20)
self.setdefault('disable_requiretty', True)
self.setdefault('env', {})
self.setdefault('fabric_env', {})
self.setdefault('system_python', 'python')
self.setdefault('heartbeat', None)
self.setdefault('version', agent_utils.get_agent_version())
def set_default_values(self):
self._set_process_management()
self._set_name()
self._set_network()
self.setdefault('queue', self['name'])
self.setdefault('rest_token', cloudify_utils.get_rest_token())
self.setdefault('rest_tenant', cloudify_utils.get_tenant())
self.setdefault('rest_port',
cloudify_utils.get_manager_rest_service_port())
self.setdefault('bypass_maintenance',
cloudify_utils.get_is_bypass_maintenance())
self.setdefault('min_workers', 0)
self.setdefault('max_workers', 5)
self.setdefault('disable_requiretty', True)
self.setdefault('env', {})
self.setdefault('fabric_env', {})
self.setdefault('system_python', 'python')
def get_rest_client(tenant=None, api_token=None):
"""
:param tenant: optional tenant name to connect as
:param api_token: optional api_token to authenticate with (instead of
using REST token)
:returns: A REST client configured to connect to the manager in context
:rtype: cloudify_rest_client.CloudifyClient
"""
cluster_settings = get_cluster_settings()
if cluster_settings:
client_class = CloudifyClusterClient
else:
client_class = CloudifyClient
if not tenant:
tenant = utils.get_tenant_name()
# Handle maintenance mode
headers = {}
if utils.get_is_bypass_maintenance():
headers['X-BYPASS-MAINTENANCE'] = 'True'
# If api_token or execution_token was provided no need to use REST token
token = None
execution_token = utils.get_execution_token()
if execution_token:
headers[constants.CLOUDIFY_EXECUTION_TOKEN_HEADER] = execution_token
elif api_token:
headers[constants.CLOUDIFY_API_AUTH_TOKEN_HEADER] = api_token
else:
token = utils.get_rest_token()
return client_class(headers=headers,
host=utils.get_manager_rest_service_host(),
port=utils.get_manager_rest_service_port(),
tenant=tenant,
token=token,
protocol=constants.SECURED_PROTOCOL,
cert=utils.get_local_rest_certificate(),
kerberos_env=utils.get_kerberos_indication(
os.environ.get(constants.KERBEROS_ENV_KEY)))
def _cfy_agent_attributes_no_defaults(cloudify_agent):
if not cloudify_agent.get('process_management'):
cloudify_agent['process_management'] = {}
if not cloudify_agent['process_management'].get('name'):
# user did not specify process management configuration, choose the
# default one according to os type.
if cloudify_agent['windows']:
name = 'nssm'
else:
name = 'init.d'
cloudify_agent['process_management']['name'] = name
if not cloudify_agent.get('name'):
if cloudify_agent['local']:
workflows_worker = cloudify_agent.get('workflows_worker', False)
suffix = '_workflows' if workflows_worker else ''
name = '{0}{1}'.format(ctx.deployment.id, suffix)
else:
name = ctx.instance.id
cloudify_agent['name'] = name
if not cloudify_agent.get('queue'):
# by default, queue of the agent is the same as the name
cloudify_agent['queue'] = cloudify_agent['name']
if not cloudify_agent.get('file_server_host'):
cloudify_agent['file_server_host'] = \
cloudify_utils.get_manager_file_server_host()
if not cloudify_agent.get('file_server_port'):
cloudify_agent['file_server_port'] = \
cloudify_utils.get_manager_file_server_port()
if not cloudify_agent.get('file_server_protocol'):
cloudify_agent['file_server_protocol'] = \
cloudify_utils.get_manager_file_server_protocol()
if not cloudify_agent.get('rest_host'):
cloudify_agent['rest_host'] = \
cloudify_utils.get_manager_rest_service_host()
if not cloudify_agent.get('security_enabled'):
cloudify_agent['security_enabled'] = \
cloudify_utils.is_security_enabled()
if not cloudify_agent.get('rest_protocol'):
cloudify_agent['rest_protocol'] = \
cloudify_utils.get_manager_rest_service_protocol()
if not cloudify_agent.get('rest_port'):
cloudify_agent['rest_port'] = \
cloudify_utils.get_manager_rest_service_port()
if not cloudify_agent.get('rest_username'):
cloudify_agent['rest_username'] = \
cloudify_utils.get_rest_username()
if not cloudify_agent.get('rest_password'):
cloudify_agent['rest_password'] = \
cloudify_utils.get_rest_password()
if not cloudify_agent.get('rest_token'):
cloudify_agent['rest_token'] = \
cloudify_utils.get_rest_token()
if not cloudify_agent.get('rest_cert_content'):
cloudify_agent['rest_cert_content'] = \
cloudify_utils.get_rest_cert_content()
if not cloudify_agent.get('verify_rest_certificate'):
cloudify_agent['verify_rest_certificate'] = \
cloudify_utils.is_verify_rest_certificate()
if not cloudify_agent.get('bypass_maintenance'):
cloudify_agent['bypass_maintenance_mode'] = \
cloudify_utils.get_is_bypass_maintenance()
def _create_agent_env(self):
execution_env = {
# mandatory values calculated before the agent
# is actually created
env.CLOUDIFY_DAEMON_QUEUE: self.cloudify_agent['queue'],
env.CLOUDIFY_DAEMON_NAME: self.cloudify_agent['name'],
env.CLOUDIFY_FILE_SERVER_HOST:
self.cloudify_agent['file_server_host'],
env.CLOUDIFY_REST_HOST: self.cloudify_agent['rest_host'],
env.CLOUDIFY_BROKER_IP: self.cloudify_agent['broker_ip'],
# these are variables that have default values that will be set
# by the agent on the remote host if not set here
env.CLOUDIFY_DAEMON_USER: self.cloudify_agent.get('user'),
# broker_ip might not be set yet, and retrieved from the manager
env.CLOUDIFY_BROKER_PORT: self.cloudify_agent.get('broker_port'),
env.CLOUDIFY_REST_PORT:
self.cloudify_agent.get('rest_port'),
env.CLOUDIFY_REST_PROTOCOL: self.cloudify_agent.get(
'rest_protocol'),
env.CLOUDIFY_FILE_SERVER_PORT:
self.cloudify_agent.get('file_server_port'),
env.CLOUDIFY_FILE_SERVER_PROTOCOL:
self.cloudify_agent.get('file_server_protocol'),
env.CLOUDIFY_SECURITY_ENABLED:
self.cloudify_agent.get('security_enabled'),
env.CLOUDIFY_REST_USERNAME:
self.cloudify_agent.get('rest_username'),
env.CLOUDIFY_REST_PASSWORD:
self.cloudify_agent.get('rest_password'),
env.CLOUDIFY_REST_TOKEN:
self.cloudify_agent.get('rest_token'),
env.CLOUDIFY_VERIFY_REST_CERTIFICATE:
self.cloudify_agent.get('verify_rest_certificate'),
env.CLOUDIFY_REST_CERT_CONTENT:
self.cloudify_agent.get('rest_cert_content'),
env.CLOUDIFY_DAEMON_MAX_WORKERS: self.cloudify_agent.get(
'max_workers'),
env.CLOUDIFY_DAEMON_MIN_WORKERS: self.cloudify_agent.get(
'min_workers'),
env.CLOUDIFY_DAEMON_PROCESS_MANAGEMENT:
self.cloudify_agent['process_management']['name'],
env.CLOUDIFY_DAEMON_WORKDIR: self.cloudify_agent['workdir'],
env.CLOUDIFY_DAEMON_EXTRA_ENV:
self.create_custom_env_file_on_target(
self.cloudify_agent.get('env', {})),
env.CLOUDIFY_BYPASS_MAINTENANCE_MODE: get_is_bypass_maintenance(),
env.CLOUDIFY_AGENT_REST_CERT_PATH:
self.cloudify_agent['agent_rest_cert_path'],
env.CLOUDIFY_BROKER_SSL_CERT_PATH:
self.cloudify_agent['broker_ssl_cert_path']
}
execution_env = utils.purge_none_values(execution_env)
execution_env = utils.stringify_values(execution_env)
self.logger.debug('Cloudify Agent will be created using the following '
'environment: {0}'.format(execution_env))
return execution_env
def _create_agent_env(self):
tenant = get_tenant()
tenant_name = tenant.get('name', defaults.DEFAULT_TENANT_NAME)
tenant_user = tenant.get('rabbitmq_username',
broker_config.broker_username)
tenant_pass = tenant.get('rabbitmq_password',
broker_config.broker_password)
broker_vhost = tenant.get('rabbitmq_vhost',
broker_config.broker_vhost)
# Get the agent's broker credentials
broker_user = self.cloudify_agent.get('broker_user', tenant_user)
broker_pass = self.cloudify_agent.get('broker_pass', tenant_pass)
manager_ip = self.cloudify_agent.get_manager_ip()
network = self.cloudify_agent.get('network')
execution_env = {
# mandatory values calculated before the agent
# is actually created
env.CLOUDIFY_DAEMON_QUEUE: self.cloudify_agent['queue'],
env.CLOUDIFY_DAEMON_NAME: self.cloudify_agent['name'],
env.CLOUDIFY_REST_HOST: manager_ip,
env.CLOUDIFY_BROKER_IP: ','.join(
broker.networks[network] for broker in
ctx.get_brokers(network=network)
),
# Optional broker values
env.CLOUDIFY_BROKER_USER: broker_user,
env.CLOUDIFY_BROKER_PASS: broker_pass,
env.CLOUDIFY_BROKER_VHOST: broker_vhost,
env.CLOUDIFY_BROKER_SSL_ENABLED: broker_config.broker_ssl_enabled,
env.CLOUDIFY_BROKER_SSL_CERT_PATH: (
self.cloudify_agent['broker_ssl_cert_path']
),
env.CLOUDIFY_HEARTBEAT: (
self.cloudify_agent.get('heartbeat')
),
# these are variables that have default values that will be set
# by the agent on the remote host if not set here
env.CLOUDIFY_DAEMON_USER: self.cloudify_agent.get('user'),
env.CLOUDIFY_REST_PORT: self.cloudify_agent.get('rest_port'),
env.CLOUDIFY_REST_TOKEN: get_rest_token(),
env.CLOUDIFY_REST_TENANT: tenant_name,
env.CLOUDIFY_DAEMON_MAX_WORKERS: self.cloudify_agent.get(
'max_workers'),
env.CLOUDIFY_DAEMON_MIN_WORKERS: self.cloudify_agent.get(
'min_workers'),
env.CLOUDIFY_DAEMON_PROCESS_MANAGEMENT:
self.cloudify_agent['process_management']['name'],
env.CLOUDIFY_DAEMON_WORKDIR: self.cloudify_agent['workdir'],
env.CLOUDIFY_DAEMON_EXTRA_ENV:
self.create_custom_env_file_on_target(
self.cloudify_agent.get('env', {})),
env.CLOUDIFY_BYPASS_MAINTENANCE_MODE: get_is_bypass_maintenance(),
env.CLOUDIFY_LOCAL_REST_CERT_PATH: (
self.cloudify_agent['agent_rest_cert_path']
),
env.CLOUDIFY_CLUSTER_NODES: base64.b64encode(json.dumps(
self.cloudify_agent.get('cluster', []))),
env.CLOUDIFY_NETWORK_NAME: network,
ENV_CFY_EXEC_TEMPDIR: self.cloudify_agent.get(
'executable_temp_path'),
ENV_AGENT_LOG_LEVEL: self.cloudify_agent.get('log_level'),
ENV_AGENT_LOG_MAX_BYTES: self.cloudify_agent.get('log_max_bytes'),
ENV_AGENT_LOG_MAX_HISTORY: self.cloudify_agent.get(
'log_max_history')
}
execution_env = utils.purge_none_values(execution_env)
execution_env = utils.stringify_values(execution_env)
self.logger.debug('Cloudify Agent will be created using the following '
'environment: {0}'.format(execution_env))
return execution_env
def _create_agent_env(self):
# pop to not leave creds around
tenant = self.cloudify_agent.pop('tenant')
tenant_name = tenant.get('name', defaults.DEFAULT_TENANT_NAME)
tenant_user = tenant.get('rabbitmq_username',
broker_config.broker_username)
tenant_pass = tenant.get('rabbitmq_password',
broker_config.broker_password)
broker_vhost = tenant.get('rabbitmq_vhost', broker_config.broker_vhost)
# Get the agent's broker credentials
broker_user = self.cloudify_agent.get('broker_user', tenant_user)
broker_pass = self.cloudify_agent.get('broker_pass', tenant_pass)
network = self.cloudify_agent.get('network')
execution_env = {
# mandatory values calculated before the agent
# is actually created
env.CLOUDIFY_DAEMON_QUEUE:
self.cloudify_agent['queue'],
env.AGENT_NAME:
self.cloudify_agent['name'],
env.CLOUDIFY_REST_HOST:
','.join(self.cloudify_agent['rest_host']),
env.CLOUDIFY_BROKER_IP:
','.join(self.cloudify_agent['broker_ip']),
# Optional broker values
env.CLOUDIFY_BROKER_USER:
broker_user,
env.CLOUDIFY_BROKER_PASS:
broker_pass,
env.CLOUDIFY_BROKER_VHOST:
broker_vhost,
env.CLOUDIFY_BROKER_SSL_ENABLED:
broker_config.broker_ssl_enabled,
env.CLOUDIFY_BROKER_SSL_CERT_PATH:
(self.cloudify_agent['broker_ssl_cert_path']),
env.CLOUDIFY_HEARTBEAT: (self.cloudify_agent.get('heartbeat')),
# these are variables that have default values that will be set
# by the agent on the remote host if not set here
env.CLOUDIFY_DAEMON_USER:
self.cloudify_agent.get('user'),
env.CLOUDIFY_REST_PORT:
self.cloudify_agent.get('rest_port'),
env.CLOUDIFY_REST_TOKEN:
get_rest_token(),
env.CLOUDIFY_REST_TENANT:
tenant_name,
env.CLOUDIFY_DAEMON_MAX_WORKERS:
self.cloudify_agent.get('max_workers'),
env.CLOUDIFY_DAEMON_MIN_WORKERS:
self.cloudify_agent.get('min_workers'),
env.CLOUDIFY_DAEMON_PROCESS_MANAGEMENT:
self.cloudify_agent['process_management']['name'],
env.CLOUDIFY_DAEMON_WORKDIR:
self.cloudify_agent['workdir'],
env.CLOUDIFY_DAEMON_EXTRA_ENV:
self.create_custom_env_file_on_target(
self.cloudify_agent.get('env', {})),
env.CLOUDIFY_BYPASS_MAINTENANCE_MODE:
get_is_bypass_maintenance(),
env.CLOUDIFY_LOCAL_REST_CERT_PATH:
(self.cloudify_agent['agent_rest_cert_path']),
env.CLOUDIFY_NETWORK_NAME:
network,
ENV_CFY_EXEC_TEMPDIR:
self.cloudify_agent.get('executable_temp_path'),
ENV_AGENT_LOG_LEVEL:
self.cloudify_agent.get('log_level'),
ENV_AGENT_LOG_MAX_BYTES:
self.cloudify_agent.get('log_max_bytes'),
ENV_AGENT_LOG_MAX_HISTORY:
self.cloudify_agent.get('log_max_history')
}
execution_env = utils.purge_none_values(execution_env)
execution_env = utils.stringify_values(execution_env)
self.logger.debug('Cloudify Agent will be created using the following '
'environment: {0}'.format(execution_env))
return execution_env
