def __init__(self, ibm_cf_config):
logger.debug("Creating IBM Cloud Functions client")
self.log_level = os.getenv('PYWREN_LOGLEVEL')
self.name = 'ibm_cf'
self.ibm_cf_config = ibm_cf_config
self.package = 'pywren_v' + __version__
self.is_remote_cluster = is_remote_cluster()
self.user_agent = ibm_cf_config['user_agent']
self.region = ibm_cf_config['region']
self.endpoint = ibm_cf_config['regions'][self.region]['endpoint']
self.namespace = ibm_cf_config['regions'][self.region]['namespace']
self.namespace_id = ibm_cf_config['regions'][self.region].get(
'namespace_id', None)
self.api_key = ibm_cf_config['regions'][self.region].get(
'api_key', None)
self.iam_api_key = ibm_cf_config.get('iam_api_key', None)
logger.debug("Set IBM CF Namespace to {}".format(self.namespace))
logger.debug("Set IBM CF Endpoint to {}".format(self.endpoint))
if self.api_key:
self.cf_client = CloudFunctionsClient(region=self.region,
endpoint=self.endpoint,
namespace=self.namespace,
api_key=self.api_key,
user_agent=self.user_agent)
elif self.iam_api_key:
token_manager = DefaultTokenManager(api_key_id=self.iam_api_key)
token_filename = os.path.join(CACHE_DIR, 'IAM_TOKEN')
if 'token' in self.ibm_cf_config:
logger.debug("Using IBM IAM API Key - Reusing Token")
token_manager._token = self.ibm_cf_config['token']
token_manager._expiry_time = datetime.strptime(
self.ibm_cf_config['token_expiry_time'],
'%Y-%m-%d %H:%M:%S.%f%z')
elif os.path.exists(token_filename):
logger.debug(
"Using IBM IAM API Key - Reusing Token from local cache")
token_data = load_yaml_config(token_filename)
token_manager._token = token_data['token']
token_manager._expiry_time = datetime.strptime(
token_data['token_expiry_time'], '%Y-%m-%d %H:%M:%S.%f%z')
if token_manager._is_expired() and not is_remote_cluster():
logger.debug(
"Using IBM IAM API Key - Token expired. Requesting new token"
)
token_manager.get_token()
token_data = {}
token_data['token'] = token_manager._token
token_data[
'token_expiry_time'] = token_manager._expiry_time.strftime(
'%Y-%m-%d %H:%M:%S.%f%z')
dump_yaml_config(token_filename, token_data)
ibm_cf_config['token'] = token_manager._token
ibm_cf_config[
'token_expiry_time'] = token_manager._expiry_time.strftime(
'%Y-%m-%d %H:%M:%S.%f%z')
self.cf_client = CloudFunctionsClient(
region=self.region,
endpoint=self.endpoint,
namespace=self.namespace,
namespace_id=self.namespace_id,
token_manager=token_manager,
user_agent=self.user_agent)
log_msg = ('PyWren v{} init for IBM Cloud Functions - Namespace: {} - '
'Region: {}'.format(__version__, self.namespace,
self.region))
if not self.log_level:
print(log_msg)
logger.debug("IBM CF client created successfully")
def _create_service(self, docker_image_name, runtime_memory, timeout):
"""
Creates a service in knative based on the docker_image_name and the memory provided
"""
logger.debug("Creating PyWren runtime service in Knative")
svc_res = yaml.safe_load(kconfig.service_res)
service_name = self._format_service_name(docker_image_name, runtime_memory)
svc_res['metadata']['name'] = service_name
svc_res['metadata']['namespace'] = self.namespace
logger.debug("Service name: {}".format(service_name))
logger.debug("Namespace: {}".format(self.namespace))
svc_res['spec']['template']['spec']['timeoutSeconds'] = timeout
full_docker_image_name = '/'.join([self.knative_config['docker_repo'], docker_image_name])
svc_res['spec']['template']['spec']['containers'][0]['image'] = full_docker_image_name
svc_res['spec']['template']['spec']['containers'][0]['resources']['limits']['memory'] = '{}Mi'.format(runtime_memory)
svc_res['spec']['template']['spec']['containers'][0]['resources']['limits']['cpu'] = '{}m'.format(self.knative_config['cpu'])
try:
# delete the service resource if exists
self.api.delete_namespaced_custom_object(
group="serving.knative.dev",
version="v1alpha1",
name=service_name,
namespace=self.namespace,
plural="services",
body=client.V1DeleteOptions()
)
time.sleep(2)
except Exception:
pass
# create the service resource
self.api.create_namespaced_custom_object(
group="serving.knative.dev",
version="v1alpha1",
namespace=self.namespace,
plural="services",
body=svc_res
)
w = watch.Watch()
for event in w.stream(self.api.list_namespaced_custom_object,
namespace=self.namespace, group="serving.knative.dev",
version="v1alpha1", plural="services",
field_selector="metadata.name={0}".format(service_name),
timeout_seconds=300):
if event['object'].get('status'):
service_url = event['object']['status'].get('url')
conditions = event['object']['status']['conditions']
if conditions[0]['status'] == 'True' and \
conditions[1]['status'] == 'True' and \
conditions[2]['status'] == 'True':
w.stop()
time.sleep(2)
log_msg = 'Runtime Service created - URL: {}'.format(service_url)
logger.debug(log_msg)
self.service_host_suffix = service_url[7:].replace(service_name, '')
# Store service host suffix in local cache
serice_host_data = {}
serice_host_data['service_host_suffix'] = self.service_host_suffix
dump_yaml_config(self.serice_host_filename, serice_host_data)
self.knative_config['service_host_suffix'] = self.service_host_suffix
return service_url
def __init__(self, ibm_cos_config, bucket=None, executor_id=None):
logger.debug("Creating IBM COS client")
self.ibm_cos_config = ibm_cos_config
self.is_pywren_function = is_pywren_function()
user_agent = ibm_cos_config['user_agent']
service_endpoint = ibm_cos_config.get('endpoint').replace('http:', 'https:')
if self.is_pywren_function and 'private_endpoint' in ibm_cos_config:
service_endpoint = ibm_cos_config.get('private_endpoint')
if 'api_key' in ibm_cos_config:
service_endpoint = service_endpoint.replace('http:', 'https:')
logger.debug("Set IBM COS Endpoint to {}".format(service_endpoint))
api_key = None
if 'api_key' in ibm_cos_config:
api_key = ibm_cos_config.get('api_key')
api_key_type = 'COS'
elif 'iam_api_key' in ibm_cos_config:
api_key = ibm_cos_config.get('iam_api_key')
api_key_type = 'IAM'
if {'secret_key', 'access_key'} <= set(ibm_cos_config):
logger.debug("Using access_key and secret_key")
access_key = ibm_cos_config.get('access_key')
secret_key = ibm_cos_config.get('secret_key')
client_config = ibm_botocore.client.Config(max_pool_connections=128,
user_agent_extra=user_agent,
connect_timeout=CONN_READ_TIMEOUT,
read_timeout=CONN_READ_TIMEOUT,
retries={'max_attempts': OBJ_REQ_RETRIES})
self.cos_client = ibm_boto3.client('s3',
aws_access_key_id=access_key,
aws_secret_access_key=secret_key,
config=client_config,
endpoint_url=service_endpoint)
elif api_key is not None:
client_config = ibm_botocore.client.Config(signature_version='oauth',
max_pool_connections=128,
user_agent_extra=user_agent,
connect_timeout=CONN_READ_TIMEOUT,
read_timeout=CONN_READ_TIMEOUT,
retries={'max_attempts': OBJ_REQ_RETRIES})
token_manager = DefaultTokenManager(api_key_id=api_key)
token_filename = os.path.join(CACHE_DIR, 'ibm_cos', api_key_type.lower()+'_token')
token_minutes_diff = 0
if 'token' in self.ibm_cos_config:
logger.debug("Using IBM {} API Key - Reusing Token from config".format(api_key_type))
token_manager._token = self.ibm_cos_config['token']
token_manager._expiry_time = datetime.strptime(self.ibm_cos_config['token_expiry_time'],
'%Y-%m-%d %H:%M:%S.%f%z')
token_minutes_diff = int((token_manager._expiry_time - datetime.now(timezone.utc)).total_seconds() / 60.0)
logger.debug("Token expiry time: {} - Minutes left: {}".format(token_manager._expiry_time, token_minutes_diff))
elif os.path.exists(token_filename):
token_data = load_yaml_config(token_filename)
logger.debug("Using IBM {} API Key - Reusing Token from local cache".format(api_key_type))
token_manager._token = token_data['token']
token_manager._expiry_time = datetime.strptime(token_data['token_expiry_time'],
'%Y-%m-%d %H:%M:%S.%f%z')
token_minutes_diff = int((token_manager._expiry_time - datetime.now(timezone.utc)).total_seconds() / 60.0)
logger.debug("Token expiry time: {} - Minutes left: {}".format(token_manager._expiry_time, token_minutes_diff))
if (token_manager._is_expired() or token_minutes_diff < 11) and not is_pywren_function():
logger.debug("Using IBM {} API Key - Token expired. Requesting new token".format(api_key_type))
token_manager._token = None
token_manager.get_token()
token_data = {}
token_data['token'] = token_manager._token
token_data['token_expiry_time'] = token_manager._expiry_time.strftime('%Y-%m-%d %H:%M:%S.%f%z')
dump_yaml_config(token_filename, token_data)
self.ibm_cos_config['token'] = token_manager._token
self.ibm_cos_config['token_expiry_time'] = token_manager._expiry_time.strftime('%Y-%m-%d %H:%M:%S.%f%z')
self.cos_client = ibm_boto3.client('s3', token_manager=token_manager,
config=client_config,
endpoint_url=service_endpoint)
logger.debug("IBM COS client created successfully")
def _create_service(self, docker_image_name, runtime_memory, timeout):
"""
Creates a service in knative based on the docker_image_name and the memory provided
"""
logger.debug("Creating PyWren runtime service resource in k8s")
svc_res = yaml.safe_load(kconfig.service_res)
revision = 'latest' if 'SNAPSHOT' in __version__ else __version__
# TODO: Take into account revision in service name
service_name = self._format_service_name(docker_image_name, runtime_memory)
svc_res['metadata']['name'] = service_name
svc_res['metadata']['namespace'] = self.namespace
svc_res['spec']['template']['spec']['timeoutSeconds'] = timeout
docker_image = '/'.join([self.knative_config['docker_repo'], docker_image_name])
svc_res['spec']['template']['spec']['containers'][0]['image'] = '{}:{}'.format(docker_image, revision)
svc_res['spec']['template']['spec']['containers'][0]['resources']['limits']['memory'] = '{}Mi'.format(runtime_memory)
try:
# delete the service resource if exists
self.api.delete_namespaced_custom_object(
group="serving.knative.dev",
version="v1alpha1",
name=service_name,
namespace=self.namespace,
plural="services",
body=client.V1DeleteOptions()
)
time.sleep(2)
except Exception:
pass
# create the service resource
self.api.create_namespaced_custom_object(
group="serving.knative.dev",
version="v1alpha1",
namespace=self.namespace,
plural="services",
body=svc_res
)
w = watch.Watch()
for event in w.stream(self.api.list_namespaced_custom_object,
namespace=self.namespace, group="serving.knative.dev",
version="v1alpha1", plural="services",
field_selector="metadata.name={0}".format(service_name)):
conditions = None
if event['object'].get('status') is not None:
conditions = event['object']['status']['conditions']
if event['object']['status'].get('url') is not None:
service_url = event['object']['status']['url']
if conditions and conditions[0]['status'] == 'True' and \
conditions[1]['status'] == 'True' and conditions[2]['status'] == 'True':
# Workaround to prevent invoking the service immediately after creation.
# TODO: Open issue.
time.sleep(2)
w.stop()
log_msg = 'Runtime Service resource created - URL: {}'.format(service_url)
logger.debug(log_msg)
self.service_host_suffix = service_url[7:].replace(service_name, '')
# Store service host suffix in local cache
serice_host_data = {}
serice_host_data['service_host_suffix'] = self.service_host_suffix
dump_yaml_config(self.serice_host_filename, serice_host_data)
return service_url
def __init__(self, ibm_cf_config):
logger.debug("Creating IBM Cloud Functions client")
self.log_level = os.getenv('PYWREN_LOGLEVEL')
self.name = 'ibm_cf'
self.ibm_cf_config = ibm_cf_config
self.is_pywren_function = is_pywren_function()
self.user_agent = ibm_cf_config['user_agent']
self.region = ibm_cf_config['region']
self.endpoint = ibm_cf_config['regions'][self.region]['endpoint']
self.namespace = ibm_cf_config['regions'][self.region]['namespace']
self.namespace_id = ibm_cf_config['regions'][self.region].get(
'namespace_id', None)
self.api_key = ibm_cf_config['regions'][self.region].get(
'api_key', None)
self.iam_api_key = ibm_cf_config.get('iam_api_key', None)
logger.info("Set IBM CF Namespace to {}".format(self.namespace))
logger.info("Set IBM CF Endpoint to {}".format(self.endpoint))
self.user_key = self.api_key[:
5] if self.api_key else self.iam_api_key[:
5]
self.package = 'pywren_v{}_{}'.format(__version__, self.user_key)
if self.api_key:
enc_api_key = str.encode(self.api_key)
auth_token = base64.encodebytes(enc_api_key).replace(b'\n', b'')
auth = 'Basic %s' % auth_token.decode('UTF-8')
self.cf_client = OpenWhiskClient(endpoint=self.endpoint,
namespace=self.namespace,
auth=auth,
user_agent=self.user_agent)
elif self.iam_api_key:
token_manager = DefaultTokenManager(api_key_id=self.iam_api_key)
token_filename = os.path.join(CACHE_DIR, 'ibm_cf', 'iam_token')
if 'token' in self.ibm_cf_config:
logger.debug(
"Using IBM IAM API Key - Reusing Token from config")
token_manager._token = self.ibm_cf_config['token']
token_manager._expiry_time = datetime.strptime(
self.ibm_cf_config['token_expiry_time'],
'%Y-%m-%d %H:%M:%S.%f%z')
token_minutes_diff = int(
(token_manager._expiry_time -
datetime.now(timezone.utc)).total_seconds() / 60.0)
logger.debug("Token expiry time: {} - Minutes left: {}".format(
token_manager._expiry_time, token_minutes_diff))
elif os.path.exists(token_filename):
logger.debug(
"Using IBM IAM API Key - Reusing Token from local cache")
token_data = load_yaml_config(token_filename)
token_manager._token = token_data['token']
token_manager._expiry_time = datetime.strptime(
token_data['token_expiry_time'], '%Y-%m-%d %H:%M:%S.%f%z')
token_minutes_diff = int(
(token_manager._expiry_time -
datetime.now(timezone.utc)).total_seconds() / 60.0)
logger.debug("Token expiry time: {} - Minutes left: {}".format(
token_manager._expiry_time, token_minutes_diff))
if (token_manager._is_expired()
or token_minutes_diff < 11) and not is_pywren_function():
logger.debug(
"Using IBM IAM API Key - Token expired. Requesting new token"
)
token_manager._token = None
token_manager.get_token()
token_data = {}
token_data['token'] = token_manager._token
token_data[
'token_expiry_time'] = token_manager._expiry_time.strftime(
'%Y-%m-%d %H:%M:%S.%f%z')
dump_yaml_config(token_filename, token_data)
ibm_cf_config['token'] = token_manager._token
ibm_cf_config[
'token_expiry_time'] = token_manager._expiry_time.strftime(
'%Y-%m-%d %H:%M:%S.%f%z')
auth_token = token_manager._token
auth = 'Bearer ' + auth_token
self.cf_client = OpenWhiskClient(endpoint=self.endpoint,
namespace=self.namespace_id,
auth=auth,
user_agent=self.user_agent)
log_msg = ('PyWren v{} init for IBM Cloud Functions - Namespace: {} - '
'Region: {}'.format(__version__, self.namespace,
self.region))
if not self.log_level:
print(log_msg)
logger.info("IBM CF client created successfully")
def __init__(self, ibm_cos_config):
logger.debug("Creating IBM COS client")
self.ibm_cos_config = ibm_cos_config
self.is_pywren_function = is_pywren_function()
service_endpoint = ibm_cos_config.get('endpoint').replace(
'http:', 'https:')
if self.is_pywren_function and 'private_endpoint' in ibm_cos_config:
service_endpoint = ibm_cos_config.get('private_endpoint')
if 'api_key' in ibm_cos_config:
service_endpoint = service_endpoint.replace('http:', 'https:')
logger.debug("Set IBM COS Endpoint to {}".format(service_endpoint))
api_key = None
if 'api_key' in ibm_cos_config:
api_key = ibm_cos_config.get('api_key')
api_key_type = 'COS'
elif 'iam_api_key' in ibm_cos_config:
api_key = ibm_cos_config.get('iam_api_key')
api_key_type = 'IAM'
if {'secret_key', 'access_key'} <= set(ibm_cos_config):
logger.debug("Using access_key and secret_key")
access_key = ibm_cos_config.get('access_key')
secret_key = ibm_cos_config.get('secret_key')
client_config = ibm_botocore.client.Config(
max_pool_connections=128,
user_agent_extra='pywren-ibm-cloud',
connect_timeout=1)
self.cos_client = ibm_boto3.client(
's3',
aws_access_key_id=access_key,
aws_secret_access_key=secret_key,
config=client_config,
endpoint_url=service_endpoint)
elif api_key is not None:
client_config = ibm_botocore.client.Config(
signature_version='oauth',
max_pool_connections=128,
user_agent_extra='pywren-ibm-cloud',
connect_timeout=1)
token_manager = DefaultTokenManager(api_key_id=api_key)
token_filename = os.path.join(CACHE_DIR, api_key_type + '_TOKEN')
if 'token' in self.ibm_cos_config:
logger.debug("Using IBM {} API Key - Reusing Token".format(
api_key_type))
token_manager._token = self.ibm_cos_config['token']
token_manager._expiry_time = datetime.strptime(
self.ibm_cos_config['token_expiry_time'],
'%Y-%m-%d %H:%M:%S.%f%z')
elif os.path.exists(token_filename):
logger.debug(
"Using IBM {} API Key - Reusing Token from local cache".
format(api_key_type))
token_data = load_yaml_config(token_filename)
token_manager._token = token_data['token']
token_manager._expiry_time = datetime.strptime(
token_data['token_expiry_time'], '%Y-%m-%d %H:%M:%S.%f%z')
if token_manager._is_expired() and not is_pywren_function():
logger.debug(
"Using IBM {} API Key - Token expired. Requesting new token"
.format(api_key_type))
token_manager.get_token()
token_data = {}
token_data['token'] = token_manager._token
token_data[
'token_expiry_time'] = token_manager._expiry_time.strftime(
'%Y-%m-%d %H:%M:%S.%f%z')
dump_yaml_config(token_filename, token_data)
self.ibm_cos_config['token'] = token_manager._token
self.ibm_cos_config[
'token_expiry_time'] = token_manager._expiry_time.strftime(
'%Y-%m-%d %H:%M:%S.%f%z')
self.cos_client = ibm_boto3.client('s3',
token_manager=token_manager,
config=client_config,
endpoint_url=service_endpoint)
logger.debug("IBM COS client created successfully")
