def on_put(self, req, res):
"""
PUT: /status?token={None}
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if req.params[Definition.get_str_token()] == Setting.get_token():
raw = str(req.stream.read(), 'UTF-8')
data = eval(raw)
LookUpTable.update_worker(data)
SysOut.debug_string("Update worker status ({0})".format(
data[Definition.get_str_node_name()]))
res.body = "Okay"
res.content_type = "String"
res.status = falcon.HTTP_200
else:
res.body = "Invalid token ID."
res.content_type = "String"
res.status = falcon.HTTP_401
def on_get(self, req, res):
"""
GET: /status?token={None}
"""
if not Definition.get_str_token() in req.params:
format_response_string(res, falcon.HTTP_401, "Token is required")
return
if req.params[Definition.get_str_token()] == Setting.get_token():
result = LService.get_machine_status(Setting, CRole.MASTER)
format_response_string(res, falcon.HTTP_200, str(result))
else:
format_response_string(res, falcon.HTTP_401, "Invalid token ID")
def on_get(self, req, res):
# check token and request type is provided
if not Definition.get_str_token() in req.params:
format_response_string(res, falcon.HTTP_401, "Token required.")
return
if not "type" in req.params:
format_response_string(res, falcon.HTTP_406,
"Command not specified.")
return
# user wants to know if containers are ready for provided job ID
if req.params['type'] == "poll_job":
id = req.params.get('job_id')
if not id in LookUpTable.Jobs.verbose():
format_response_string(res, falcon.HTTP_404,
"Specified job not available.")
return
jobs = LookUpTable.Jobs.verbose()
stat = str(jobs[id].get('job_status'))
format_response_string(res, falcon.HTTP_200,
("Job status: " + stat))
return
def on_post(self, req, res):
# check token and request type is provided
req_raw = (str(req.stream.read(req.content_length or 0),
'utf-8')) # create dict of body data if they exist
req_data = json.loads(req_raw)
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if not "type" in req.params:
res.body = "No command specified."
res.content_type = "String"
res.status = falcon.HTTP_406
return
# request to create new job - create ID for job, add to lookup table, queue creation of the job
if req.params['type'] == 'new_job':
job = new_job(
req_data) # attempt to create new job from provided parameters
if not job:
SysOut.err_string("New job could not be added!")
format_response_string(res, falcon.HTTP_500,
"Could not create job.")
return
job_status = job.get('job_status')
format_response_string(
res, falcon.HTTP_200,
"Job request received, container status: {}\nJob ID: {}".
format(job_status, job.get('job_id')))
return
return
def on_put(self, req, res):
"""
PUT: /status?token={None}
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if Definition.Docker.get_str_finished() in req.params:
# a container is shutting down, update containers
# TODO: add some kind of safety mechanism to really make sure no new requests have been sent to this container before acknowledging removal?
if LookUpTable.remove_container(
req.params.get(
Definition.Container.get_str_con_image_name()),
req.params.get(Definition.Docker.get_str_finished())):
format_response_string(res, falcon.HTTP_200,
"Container successfully removed")
# NOTE: container will terminate as soon as it reads this response!
else:
format_response_string(
res, falcon.HTTP_400,
"Could not remove container from table!")
# NOTE: container will continue as before when it reads this response!
return
if req.params[Definition.get_str_token()] == Setting.get_token():
data = json.loads(
str(req.stream.read(req.content_length or 0), 'utf-8'))
LookUpTable.update_worker(data)
SysOut.debug_string("Update worker status ({0})".format(
data[Definition.get_str_node_name()]))
res.body = "Okay"
res.content_type = "String"
res.status = falcon.HTTP_200
else:
res.body = "Invalid token ID."
res.content_type = "String"
res.status = falcon.HTTP_401
return
def on_get(self, req, res):
"""
GET: /status?token={None}
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if req.params[Definition.get_str_token()] == Setting.get_token():
result = LService.get_machine_status(Setting, CRole.MASTER)
res.body = str(result)
res.content_type = "String"
res.status = falcon.HTTP_200
else:
res.body = "Invalid token ID."
res.content_type = "String"
res.status = falcon.HTTP_401
def find_available_worker(self, container):
candidates = []
workers = LookUpTable.Workers.verbose()
SysOut.debug_string("Found workers: " + str(workers))
if not workers:
return None
# loop through workers and make tuples of worker IP, load and if requested container is available locally
for worker in workers:
curr_worker = workers[worker]
if container in curr_worker[Definition.REST.get_str_local_imgs()]:
candidates.append(
((curr_worker[Definition.get_str_node_addr()],
curr_worker[Definition.get_str_node_port()]),
curr_worker[Definition.get_str_load5()], True))
else:
candidates.append(
((curr_worker[Definition.get_str_node_addr()],
curr_worker[Definition.get_str_node_port()]),
curr_worker[Definition.get_str_load5()], False))
candidates.sort(
key=lambda x: (-x[2], x[1])
) # sort candidate workers first on availability of image, then on load (avg load last 5 mins)
for candidate in list(candidates):
if not float(candidate[1]) < 0.5:
candidates.remove(
candidate
) # remove candidates with higher than 50% cpu load
return candidates
def on_get(self, req, res):
"""
GET: /messagesQuery?token=None&command=queueLength
This function inquiry about the number of messages in queue. For dealing with create a new instance.
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if not Definition.MessagesQueue.get_str_command() in req.params:
res.body = "No command specified."
res.content_type = "String"
res.status = falcon.HTTP_406
return
if req.params[Definition.MessagesQueue.get_str_command(
)] == Definition.MessagesQueue.get_str_queue_length():
res.body = str(MessagesQueue.get_queues_all())
res.content_type = "String"
res.status = falcon.HTTP_200
return
if req.params[Definition.MessagesQueue.get_str_command(
)] == Definition.MessagesQueue.get_str_current_id():
res.body = "None"
res.content_type = "String"
res.status = falcon.HTTP_200
return
if req.params[Definition.MessagesQueue.get_str_command()] == "verbose":
data = LookUpTable.verbose()
data['MSG'] = MessagesQueue.verbose()
if req.params.get('format') == 'JSON':
data = json.dumps(data)
res.body = str(data)
res.content_type = "String"
res.status = falcon.HTTP_200
if req.params[
Definition.MessagesQueue.get_str_command()] == "verbose_html":
data = LookUpTable.verbose()
data['MSG'] = MessagesQueue.verbose()
res.body = get_html_form(data['WORKERS'], data['MSG'],
data['CONTAINERS'], data['TUPLES'])
res.content_type = "String"
res.status = falcon.HTTP_200
def get_container_object(req):
ret = dict()
ret[Definition.REST.Batch.get_str_batch_addr()] = req.params[
Definition.REST.Batch.get_str_batch_addr()].strip()
ret[Definition.REST.Batch.get_str_batch_port()] = int(
req.params[Definition.REST.Batch.get_str_batch_port()])
ret[Definition.REST.Batch.get_str_batch_status()] = int(
req.params[Definition.REST.Batch.get_str_batch_status()])
ret[Definition.Container.get_str_con_image_name()] = req.params[
Definition.Container.get_str_con_image_name()].strip()
ret[Definition.get_str_last_update(
)] = Services.get_current_timestamp()
return ret
def on_get(self, req, res):
"""
GET: /status?token={None}
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if req.params[Definition.get_str_token()] == Setting.get_token():
s_content = Services.get_machine_status(Setting, CRole.WORKER)
s_content[Definition.REST.get_str_docker(
)] = DockerService.get_containers_status()
res.body = str(s_content)
res.content_type = "String"
res.status = falcon.HTTP_200
else:
res.body = "Invalid token ID."
res.content_type = "String"
res.status = falcon.HTTP_401
def update_job(request):
job_id = request.get('job_id')
if not job_id in LookUpTable.Jobs.__jobs:
SysOut.warn_string(
"Couldn't update job, no existing job matching ID!")
return False
tkn = request.get(Definition.get_str_token())
if not tkn == LookUpTable.Jobs.__jobs[job_id]['user_token']:
SysOut.warn_string("Incorrect token, refusing update.")
return False
old_job = LookUpTable.Jobs.__jobs[job_id]
old_job['job_status'] = request.get('job_status')
return True
def get_tuple_object(req):
# parameters
ret = dict()
ret[Definition.Container.get_str_data_digest()] = req.params[
Definition.Container.get_str_data_digest()].strip()
ret[Definition.Container.get_str_con_image_name()] = req.params[
Definition.Container.get_str_con_image_name()].strip()
ret[Definition.Container.get_str_container_os()] = req.params[
Definition.Container.get_str_container_os()].strip()
ret[Definition.Container.get_str_data_source()] = req.params[
Definition.Container.get_str_data_source()].strip()
ret[Definition.Container.get_str_container_priority()] = 0
ret[Definition.REST.get_str_status()] = CTuple.SC
ret[Definition.get_str_last_update(
)] = Services.get_current_timestamp()
return ret
def on_post(self, req, res):
"""
POST: docker?token=None&command={command}
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if not Definition.Docker.get_str_command() in req.params:
res.body = "Command is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
"""
POST: docker?token=None&command=create
"""
if req.params[Definition.Docker.get_str_command(
)] == Definition.Docker.get_str_create():
# Unpack the posted data
raw = str(req.stream.read(), 'UTF-8')
data = eval(raw)
if not data[Definition.Container.get_str_con_image_name()]:
res.body = "Required parameters are not supplied!"
res.content_type = "String"
res.status = falcon.HTTP_401
result = DockerService.create_container(
data[Definition.Container.get_str_con_image_name()])
if result:
res.body = "Okay"
res.content_type = "String"
res.status = falcon.HTTP_200
return
else:
res.body = "Create container error!"
res.content_type = "String"
res.status = falcon.HTTP_400
def new_job(request):
new_item = {}
new_id = request.get('job_id')
if not new_id:
SysOut.warn_string("Couldn't create job, no ID provided!")
return False
if new_id in LookUpTable.Jobs.__jobs:
SysOut.warn_string(
"Job already exists in system, can't create!")
return False
new_item['job_id'] = new_id
new_item['job_status'] = request.get('job_status')
new_item[
Definition.Container.get_str_con_image_name()] = request.get(
Definition.Container.get_str_con_image_name())
new_item['user_token'] = request.get(Definition.get_str_token())
new_item['volatile'] = request.get('volatile')
LookUpTable.Jobs.__jobs[new_id] = new_item
return True
def on_get(self, req, res):
"""
GET: docker?token=None&command={command}
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if not Definition.Docker.get_str_command() in req.params:
res.body = "Command is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
# Check for status command
if req.params[Definition.Docker.get_str_command(
)] == Definition.Docker.get_str_status():
body = DockerService.get_containers_status()
res.body = str(body)
res.content_type = "String"
res.status = falcon.HTTP_200
def update_container(dict_input):
def cont_in_table(dict_input):
conts = LookUpTable.Containers.__containers[dict_input[
Definition.Container.get_str_con_image_name()]]
for cont in conts:
if dict_input.get(Definition.Container.Status.get_str_sid(
)) == cont.get(Definition.Container.Status.get_str_sid()):
return cont
return None
if dict_input[Definition.Container.get_str_con_image_name(
)] not in LookUpTable.Containers.__containers: # no containers for this image exist
new_cont = [dict_input]
LookUpTable.Containers.__containers[dict_input[
Definition.Container.get_str_con_image_name()]] = new_cont
else:
cont = cont_in_table(dict_input)
if not cont: # this specific container is not already in table
LookUpTable.Containers.__containers[dict_input[
Definition.Container.get_str_con_image_name()]].append(
dict_input)
else: # container was already in table, update timestamp
cont[Definition.get_str_last_update(
)] = Services.get_current_timestamp()
def send_data(self, container_name, container_os, data, priority=None):
# The data must be byte array
if not isinstance(data, bytearray):
LocalError.err_invalid_data_container_type()
if len(data) == 0:
SysOut.err_string("No content in byte array.")
return None
digest = hashlib.md5(data).hexdigest()
end_point = None
counter = self.__max_try
while not end_point:
end_point = self.__get_stream_end_point(container_name,
container_os, priority,
digest)
counter -= 1
if counter == 0:
SysOut.err_string(
"Cannot contact server. Exceed maximum retry {0}!".format(
self.__max_try))
return False
# Send data to worker for processing directly
counter = self.__max_try
if end_point[Definition.get_str_node_role()] == CRole.WORKER:
while not self.__push_stream_end_point(
end_point[Definition.get_str_node_addr()],
end_point[Definition.get_str_node_port()], data):
time.sleep(self.__std_idle_time)
counter -= 1
if counter == 0:
SysOut.err_string(
"Cannot contact server. Exceed maximum retry {0}!".
format(self.__max_try))
return False
# Send data to master for queuing (?)
elif end_point[
Definition.get_str_node_role()] == CRole.MESSAGING_SYSTEM:
while not self.__push_stream_end_point_MS(
end_point[Definition.get_str_node_addr()],
end_point[Definition.get_str_node_port()], data,
container_name):
time.sleep(self.__std_idle_time)
counter -= 1
if counter == 0:
SysOut.err_string(
"Cannot contact server. Exceed maximum retry {0}!".
format(self.__max_try))
return False
else:
return False
if end_point[Definition.get_str_node_role()] == CRole.WORKER:
SysOut.out_string(
"Push data to worker ({0}:{1}>{2}) successful.".format(
end_point[Definition.get_str_node_addr()],
end_point[Definition.get_str_node_port()], container_name))
elif end_point[
Definition.get_str_node_role()] == CRole.MESSAGING_SYSTEM:
SysOut.out_string(
"Push data to messaging system ({0}:{1}>{2}) successful.".
format(end_point[Definition.get_str_node_addr()],
end_point[Definition.get_str_node_port()],
container_name))
else:
SysOut.out_string(
"Push data to unknown ({0}:{1}>{2}) successful.".format(
end_point[Definition.get_str_node_addr()],
end_point[Definition.get_str_node_port()], container_name))
def read_cfg_from_file():
from harmonicIO.general.services import Services
if not Services.is_file_exist('harmonicIO/worker/configuration.json'):
SysOut.terminate_string(
'harmonicIO/worker/configuration.json does not exist')
else:
with open('harmonicIO/worker/configuration.json', 'rt') as t:
import json
cfg = json.loads(t.read())
try:
from harmonicIO.general.definition import Definition
# Check for the json structure
if Definition.get_str_node_name() in cfg and \
Definition.get_str_node_port() in cfg and \
Definition.get_str_data_port_range() in cfg and \
Definition.get_str_idle_time() in cfg and \
Definition.get_str_master_addr() in cfg and \
Definition.get_str_master_port() in cfg and \
Definition.get_str_node_external_addr() in cfg and \
Definition.get_str_node_internal_addr():
# Check port number is int or not
if not isinstance(cfg[Definition.get_str_node_port()],
int):
SysOut.terminate_string(
"Node port must be integer.")
elif not isinstance(
cfg[Definition.get_str_data_port_range()],
list):
SysOut.terminate_string("Port range must be list.")
elif not (isinstance(cfg[Definition.get_str_data_port_range()][0], int) and \
isinstance(cfg[Definition.get_str_data_port_range()][1], int)):
SysOut.terminate_string(
"Port range must be integer.")
elif not isinstance(
cfg[Definition.get_str_master_port()], int):
SysOut.terminate_string(
"Master port must be integer.")
elif len(cfg[
Definition.get_str_data_port_range()]) != 2:
SysOut.terminate_string(
"Port range must compost of two elements: start, stop."
)
elif not isinstance(
cfg[Definition.get_str_idle_time()], int):
SysOut.terminate_string(
"Idle time must be integer.")
elif cfg[Definition.get_str_data_port_range()][0] > \
cfg[Definition.get_str_data_port_range()][1]:
SysOut.terminate_string(
"Start port range must greater than stop port range."
)
else:
Setting.set_node_addr()
import multiprocessing
Setting.__node_name = cfg[
Definition.get_str_node_name()].strip()
Setting.__node_port = cfg[
Definition.get_str_node_port()]
Setting.__node_data_port_start = cfg[
Definition.get_str_data_port_range()][0]
Setting.__node_data_port_stop = cfg[
Definition.get_str_data_port_range()][1]
Setting.__std_idle_time = cfg[
Definition.get_str_idle_time()]
Setting.__master_addr = cfg[
Definition.get_str_master_addr()].strip()
Setting.__master_port = cfg[
Definition.get_str_master_port()]
Setting.__node_external_addr = cfg[
Definition.get_str_node_external_addr()].strip(
).lower()
# Check for auto node name
if Setting.__node_name.lower() == "auto":
# Get node name from host name
import socket
Setting.__node_name = socket.gethostname()
# Check for overriding node address
if cfg[Definition.get_str_node_internal_addr()] and \
cfg[Definition.get_str_node_internal_addr()] != "auto":
# Set node name automatically from hostname
from harmonicIO.general.services import Services
if Services.is_valid_ipv4(cfg[Definition.get_str_node_internal_addr()]) or \
Services.is_valid_ipv6(cfg[Definition.get_str_node_internal_addr()]):
Setting.__node_internal_addr = cfg[
Definition.get_str_node_internal_addr(
)]
# Check for node address validity
if Setting.get_node_external_addr() != "none":
from harmonicIO.general.services import Services
if Services.is_valid_ipv4(Setting.get_node_external_addr()) or \
Services.is_valid_ipv6(Setting.get_node_external_addr()):
SysOut.out_string(
"By pass request with external address."
)
else:
SysOut.terminate_string(
"Invaliid external ip address!")
else:
Setting.__node_external_addr = None
SysOut.out_string("Load setting successful.")
else:
SysOut.terminate_string(
"Required parameters are not present.")
except Exception as e:
print(e)
SysOut.terminate_string(
"Invalid data in configuration file.")
def on_get(self, req, res):
"""
return "&c_name=" + container_name + "&c_os=" + container_os + "&priority=" + str(priority)
GET: /streamRequest?token=None
This function is mainly respond with the available channel for streaming from data source.
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
# Check for required parameter.
if not Definition.Container.get_str_con_image_name() in req.params:
res.body = "Container name is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if not Definition.Container.get_str_container_os() in req.params:
res.body = "Container os is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
if not Definition.Container.get_str_data_source() in req.params:
res.body = "Data digest is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
# Parse to dict object
ret = LookUpTable.Tuples.get_tuple_object(req)
if Definition.Container.get_str_container_priority() in req.params:
if LService.is_str_is_digit(req.params[
Definition.Container.get_str_container_priority()]):
ret[Definition.Container.get_str_container_priority()] = int(
req.params[
Definition.Container.get_str_container_priority()])
else:
res.body = "Container priority is not digit."
res.content_type = "String"
res.status = falcon.HTTP_401
return
# Register item into tuples
LookUpTable.Tuples.add_tuple_info(ret)
# Check for the availability of the container
ret = LookUpTable.get_candidate_container(
ret[Definition.Container.get_str_con_image_name()])
if ret:
res.body = Definition.Master.get_str_end_point(ret)
res.content_type = "String"
res.status = falcon.HTTP_200
return
else:
# No streaming end-point available
res.body = Definition.Master.get_str_end_point_MS(Setting)
res.content_type = "String"
res.status = falcon.HTTP_200
return
def on_post(self, req, res):
"""
POST: /streamRequest?token=None
This function invoked by the driver in micro-batch in the container.
It responds with getting a stream from data source or from messaging system.
"""
if not Definition.get_str_token() in req.params:
res.body = "Token is required."
res.content_type = "String"
res.status = falcon.HTTP_401
return
# Check that the PE is existing or not, if not insert and respond
if Definition.REST.Batch.get_str_batch_addr() in req.params and \
Definition.REST.Batch.get_str_batch_port() in req.params and \
Definition.REST.Batch.get_str_batch_status() in req.params and \
Definition.Container.get_str_con_image_name() in req.params:
# Check for data type
if req.params[Definition.REST.Batch.get_str_batch_port()].isdigit() and \
req.params[Definition.REST.Batch.get_str_batch_status()].isdigit():
ret = LookUpTable.Containers.get_container_object(req)
# If queue contain data, ignore update and stream from queue
length = MessagesQueue.get_queues_length(
ret[Definition.Container.get_str_con_image_name()])
if not length:
LookUpTable.Containers.update_container(ret)
SysOut.debug_string("No item in queue!")
res.body = "No item in queue"
res.content_type = "String"
res.status = falcon.HTTP_200
return
if length > 0 and ret[
Definition.REST.Batch.get_str_batch_status(
)] == CStatus.AVAILABLE:
# ret[Definition.REST.Batch.get_str_batch_status()] = CStatus.BUSY
# LookUpTable.Containers.update_container(ret)
res.data = bytes(
MessagesQueue.pop_queue(ret[
Definition.Container.get_str_con_image_name()]))
res.content_type = "Bytes"
res.status = falcon.HTTP_203
return
else:
# Register a new channel
LookUpTable.Containers.update_container(ret)
res.body = "OK"
res.content_type = "String"
res.status = falcon.HTTP_200
return
else:
res.body = "Invalid data type!"
res.content_type = "String"
res.status = falcon.HTTP_406
return
else:
res.body = "Invalid parameters!"
res.content_type = "String"
res.status = falcon.HTTP_406
return
def read_cfg_from_file():
from harmonicIO.general.services import Services, SysOut
if not Services.is_file_exist('harmonicIO/master/configuration.json'):
SysOut.terminate_string(
'harmonicIO/master/configuration.json does not exist!')
else:
with open('harmonicIO/master/configuration.json', 'rt') as t:
import json
cfg = json.loads(t.read())
try:
from harmonicIO.general.definition import Definition
# Check for the json structure
if Definition.get_str_node_name() in cfg and \
Definition.get_str_node_port() in cfg and \
Definition.get_str_master_addr() in cfg and \
Definition.get_str_data_port_range() in cfg and \
Definition.get_str_idle_time() in cfg:
# Check port number is int or not
if not isinstance(cfg[Definition.get_str_node_port()],
int):
SysOut.terminate_string(
"Node port must be integer!")
if not isinstance(
cfg[Definition.get_str_master_addr()], str):
SysOut.terminate_string(
"Master address must be string!")
elif not isinstance(
cfg[Definition.get_str_data_port_range()],
list):
SysOut.terminate_string("Port range must be list!")
elif not (isinstance(cfg[Definition.get_str_data_port_range()][0], int) and \
isinstance(cfg[Definition.get_str_data_port_range()][1], int)):
SysOut.terminate_string(
"Port range must be integer!")
elif len(cfg[
Definition.get_str_data_port_range()]) != 2:
SysOut.terminate_string(
"Port range must compost of two elements: start, stop!"
)
elif not isinstance(
cfg[Definition.get_str_idle_time()], int):
SysOut.terminate_string(
"Idle time must be integer!")
elif cfg[Definition.get_str_data_port_range()][0] > \
cfg[Definition.get_str_data_port_range()][1]:
SysOut.terminate_string(
"Start port range must greater than stop port range!"
)
else:
Setting.__node_name = cfg[
Definition.get_str_node_name()].strip()
Setting.__node_port = cfg[
Definition.get_str_node_port()]
Setting.__node_data_port_start = cfg[
Definition.get_str_data_port_range()][0]
Setting.__node_data_port_stop = cfg[
Definition.get_str_data_port_range()][1]
Setting.__std_idle_time = cfg[
Definition.get_str_idle_time()]
SysOut.out_string("Load setting successful.")
try:
if cfg[Definition.get_str_master_addr()].lower(
) == "auto":
Setting.__node_addr = Services.get_host_name_i(
)
SysOut.out_string(
"Assigning master ip address automatically."
)
elif Services.is_valid_ipv4(cfg[Definition.get_str_master_addr()]) or \
Services.is_valid_ipv6(cfg[Definition.get_str_master_addr()]):
Setting.set_node_addr(
cfg[Definition.get_str_master_addr()])
else:
SysOut.terminate_string(
"Invalid master IP address format!")
except:
SysOut.terminate_string(
"Cannot assign IP address to the master!")
else:
SysOut.terminate_string(
"Invalid data in configuration file.")
except:
SysOut.terminate_string(
"Invalid data in configuration file.")
def get_tuple_id(tuple_info):
return tuple_info[Definition.Container.get_str_data_digest(
)][0:12] + ":" + str(tuple_info[Definition.get_str_last_update()])
def add_worker(dict_input):
dict_input[Definition.get_str_last_update(
)] = Services.get_current_timestamp()
LookUpTable.Workers.__workers[dict_input[
Definition.get_str_node_addr()]] = dict_input
