def main():
"""Main to start the telegraf service
"""
ctx = cfg.ConfigMgr()
app_cfg = ctx.get_app_config()
app_name = ctx.get_app_name()
dev_mode = ctx.is_dev_mode()
cfg_inst = os.getenv('ConfigInstance', app_name)
log = configure_logging(os.environ['PY_LOG_LEVEL'].upper(),
__name__, dev_mode)
log.info("=============== STARTING telegraf ===============")
try:
command = None
if len(sys.argv) > 1:
command = str(sys.argv[1])
read_config(app_cfg, dev_mode, log)
if command is None:
if dev_mode:
telegraf_conf = "/etc/Telegraf/" \
+ cfg_inst \
+ "/" \
+ cfg_inst \
+ "_devmode.conf"
else:
telegraf_conf = "/etc/Telegraf/"+cfg_inst+"/"+cfg_inst+".conf"
subprocess.call(["telegraf", "-config=" + telegraf_conf])
else:
subprocess.call(shlex.split(command))
except subprocess.CalledProcessError as err:
log.error(err, exc_info=True)
sys.exit(1)
def start_subscriber():
subscriber = None
try:
ctx = cfg.ConfigMgr()
if ctx.get_num_subscribers() is -1:
raise "No subscriber instances found, exiting..."
sub_ctx = ctx.get_subscriber_by_index(0)
msgbus_cfg = sub_ctx.get_msgbus_config()
print('[INFO] Initializing message bus context')
msgbus_sub = mb.MsgbusContext(msgbus_cfg)
topics = sub_ctx.get_topics()
print(f'[INFO] Initializing subscriber for topic {topics[0]}')
subscriber = msgbus_sub.new_subscriber(topics[0])
print('[INFO] Running...')
while True:
msg, _ = subscriber.recv()
if msg is not None:
print(f'[INFO] RECEIVED by subscriber : {msg}')
else:
print('[INFO] Receive interrupted')
except KeyboardInterrupt:
print('[INFO] Quitting...')
finally:
if subscriber is not None:
subscriber.close()
def main():
"""Main method to FactoryControl App
"""
config_client = cfg.ConfigMgr()
dev_mode = config_client.is_dev_mode()
log = configure_logging(os.environ['PY_LOG_LEVEL'].upper(), __name__,
dev_mode)
log.info("=============== STARTING factoryctrl_app ===============")
try:
factory_control_app = FactoryControlApp(dev_mode, config_client, log)
factory_control_app.main()
except Exception as ex:
log.exception(ex)
def start_publisher():
publisher = None
try:
ctx = cfg.ConfigMgr()
if ctx.get_num_publishers() == -1:
raise "No publisher instances found, exiting..."
pub_ctx = ctx.get_publisher_by_index(0)
msgbus_cfg = pub_ctx.get_msgbus_config()
print('[INFO] Initializing message bus context')
msgbus_pub = mb.MsgbusContext(msgbus_cfg)
topics = pub_ctx.get_topics()
print(f'[INFO] Initializing publisher for topic \'{topics[0]}\'')
publisher = msgbus_pub.new_publisher(topics[0])
app_cfg = ctx.get_app_config()
print(f'App Config is \'{app_cfg}\'')
print('[INFO] Running...')
while True:
blob = b'\x22' * 10
meta = {
'integer': 123,
'floating': 55.5,
'string': 'test',
'boolean': True,
'empty': None,
'obj': {
'test': {
'test2': 'hello'
},
'test3': 'world'
},
'arr': ['test', 123]
}
publisher.publish((
meta,
blob,
))
print(f'[INFO] Msg published by publisher : \'{meta}\'')
time.sleep(int(app_cfg["loop_interval"]))
except KeyboardInterrupt:
print('[INFO] Quitting...')
finally:
if publisher is not None:
publisher.close()
def main():
"""Main to start kapacitor service
"""
try:
ctx = cfg.ConfigMgr()
app_cfg = ctx.get_app_config()
config = app_cfg.get_dict()
app_name = ctx.get_app_name()
dev_mode = ctx.is_dev_mode()
except Exception as e:
logger = configure_logging(
os.getenv('PY_LOG_LEVEL', 'info').upper(), __name__, dev_mode)
logger.exception(
"Fetching app configuration failed, Error: {}".format(e))
sys.exit(1)
logger = configure_logging(os.environ['PY_LOG_LEVEL'].upper(), __name__,
dev_mode)
kapacitor_classifier = KapacitorClassifier(logger)
logger.info("=============== STARTING kapacitor ==============")
host_name = shlex.quote(os.environ["KAPACITOR_SERVER"])
if not host_name:
error_log = ('Kapacitor hostname is not Set in the container. '
'So exiting...')
kapacitor_classifier.exit_with_failure_message(error_log)
msg, status = kapacitor_classifier.start_udfs(config)
if status is FAILURE:
kapacitor_classifier.exit_with_failure_message(msg)
kapacitor_started = False
if (kapacitor_classifier.start_kapacitor(config, host_name, dev_mode,
app_name) is True):
kapacitor_started = True
else:
error_log = "Kapacitor is not starting. So Exiting..."
kapacitor_classifier.exit_with_failure_message(error_log)
msg, status = kapacitor_classifier.enable_tasks(config, kapacitor_started,
host_name, dev_mode)
if status is FAILURE:
kapacitor_classifier.exit_with_failure_message(msg)
def main(args):
"""Main method.
"""
# Initializing Etcd to set env variables
ctx = cfg.ConfigMgr()
num_of_subscribers = ctx.get_num_subscribers()
dev_mode = ctx.is_dev_mode()
logger = configure_logging(os.environ['PY_LOG_LEVEL'].upper(), __name__,
dev_mode)
window_name = 'EII Visualizer App'
visualizer_config = ctx.get_app_config()
# Validating config against schema
with open('./schema.json', "rb") as infile:
schema = infile.read()
if not (Util.validate_json(schema,
json.dumps(visualizer_config.get_dict()))):
sys.exit(1)
image_dir = os.environ["IMAGE_DIR"]
# If user provides image_dir, create the directory if don't exists
if image_dir:
if not os.path.exists(image_dir):
os.mkdir(image_dir)
# Initializing required variables
queue_dict = {}
topic_config_list = []
topics_list = []
for index in range(num_of_subscribers):
# Fetching subscriber element based on index
sub_ctx = ctx.get_subscriber_by_index(index)
# Fetching msgbus config of subscriber
msgbus_cfg = sub_ctx.get_msgbus_config()
# Fetching topics of subscriber
topic = sub_ctx.get_topics()[0]
# Adding topic & msgbus_config to
# topic_config tuple
topic_config = (topic, msgbus_cfg)
topic_config_list.append(topic_config)
topics_list.append(topic)
queue_dict[topic] = queue.Queue(maxsize=10)
try:
root_win = tkinter.Tk()
button_dict = {}
image_dict = {}
window_width = 600
window_height = 600
window_geometry = str(window_width) + 'x' + str(window_height)
root_win.geometry(window_geometry)
root_win.title(window_name)
column_value = len(topics_list) // 2
row_value = len(topics_list) % 2
height_value = int(window_height / (row_value + 1))
width_value = int(window_width / (column_value + 1))
blank_image_shape = (300, 300, 3)
blank_image = np.zeros(blank_image_shape, dtype=np.uint8)
text = 'Disconnected'
text_position = (20, 250)
text_font = cv2.FONT_HERSHEY_PLAIN
text_color = (255, 255, 255)
cv2.putText(blank_image, text, text_position, text_font, 2, text_color,
2, cv2.LINE_AA)
blankimg = Image.fromarray(blank_image)
for button_count in range(len(topics_list)):
button_str = "button{}".format(button_count)
image_dict[button_str] = ImageTk.PhotoImage(image=blankimg)
button_count, row_count, column_count = 0, 0, 0
if len(topics_list) == 1:
height_value = window_height
width_value = window_width
button_dict[str(button_count)] = \
tkinter.Button(root_win, text=topics_list[0])
button_dict[str(button_count)].grid(sticky='NSEW')
tkinter.Grid.rowconfigure(root_win, 0, weight=1)
tkinter.Grid.columnconfigure(root_win, 0, weight=1)
else:
for key in queue_dict:
button_dict[str(button_count)] = tkinter.Button(root_win,
text=key)
if column_count > column_value:
row_count = row_count + 1
column_count = 0
if row_count > 0:
height_value = int(window_height / (row_count + 1))
for key2 in button_dict:
button_dict[key2].config(height=height_value,
width=width_value)
else:
for key2 in button_dict:
button_dict[key2].config(height=height_value,
width=width_value)
button_dict[str(button_count)].grid(row=row_count,
column=column_count,
sticky='NSEW')
tkinter.Grid.rowconfigure(root_win, row_count, weight=1)
tkinter.Grid.columnconfigure(root_win, column_count, weight=1)
button_count = button_count + 1
column_count = column_count + 1
root_win.update()
msg_bus_subscriber(topic_config_list, queue_dict, logger,
visualizer_config)
while True:
button_count = 0
for key in queue_dict:
if not queue_dict[key].empty():
logger.info('Preparing frame for visualization')
frame = queue_dict[key].get_nowait()
img = Image.fromarray(frame)
del frame
if len(img.split()) > 3:
blue, green, red, _ = img.split()
else:
blue, green, red = img.split()
img = Image.merge("RGB", (red, green, blue))
imgwidth, imgheight = img.size
aspect_ratio = (imgwidth / imgheight) + 0.1
resized_width = button_dict[str(
button_count)].winfo_width()
resized_height = round(
button_dict[str(button_count)].winfo_width() /
aspect_ratio)
resized_img = img.resize((resized_width, resized_height))
del img
image_dict["button" +
str(button_count)] = ImageTk.PhotoImage(
image=resized_img)
button_dict[str(button_count)].config(
image=image_dict["button" + str(button_count)],
compound=tkinter.BOTTOM)
del resized_img
else:
try:
button_dict[str(button_count)].config(
image=image_dict["button" + str(button_count)],
compound=tkinter.BOTTOM)
except Exception:
logger.exception("Tkinter exception")
button_count = button_count + 1
root_win.update()
except KeyboardInterrupt:
logger.info('Quitting...')
except Exception:
logger.exception('Error during execution:')
finally:
logger.exception('Destroying EII databus context')
sys.exit(1)
# Notifying caller once all samples are received
self.done_receiving = True
return
def threadRunner(topics_list, msgbus_cfg, config_dict):
""" To run TimeSeriesCalculator for each topic """
tsc_app = TimeSeriesCalculator(topics_list, msgbus_cfg, config_dict)
tsc_app.eiiSubscriber()
if __name__ == "__main__":
try:
ctx = cfg.ConfigMgr()
config_dict = ctx.get_app_config()
app_name = ctx.get_app_name()
dev_mode = ctx.is_dev_mode()
logger.info("app name is{}".format(app_name))
# Fetching total number of subscribers
num_of_elements = ctx.get_num_subscribers()
except Exception as e:
logger.error("{}".format(e))
if dev_mode:
fmt_str = (
'%(asctime)s : %(levelname)s : {} : %(name)s : [%(filename)s] :'.
format("Insecure Mode") +
'%(funcName)s : in line : [%(lineno)d] : %(message)s')
else:
def main():
try:
ctx = cfg.ConfigMgr()
app_name = ctx.get_app_name()
dev_mode = ctx.is_dev_mode()
app_cfg = ctx.get_app_config()
except Exception as e:
logger.error("{}".format(e))
if dev_mode:
fmt_str = ('%(asctime)s : %(levelname)s : {} : %(name)s \
: [%(filename)s] :'.format("Insecure Mode") +
'%(funcName)s : in line : [%(lineno)d] : %(message)s')
else:
fmt_str = ('%(asctime)s : %(levelname)s : %(name)s \
: [%(filename)s] :' +
'%(funcName)s : in line : [%(lineno)d] : %(message)s')
logging.basicConfig(format=fmt_str, level=logging.DEBUG)
query = app_cfg["query"]
img_handle_queue = queue.Queue(maxsize=10000)
# TODO: This is a temporary fix to wait until influx container
# binds 8086 port.
num_retries = 5
retry_count = 0
sock_retries = 2
sock_retry_count = 0
influx_up = False
while (retry_count < num_retries):
try:
influx_host = os.getenv("INFLUX_SERVER", "")
influx_port = os.getenv("INFLUXDB_PORT", 8086)
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
if not (sock.connect_ex((influx_host, int(influx_port)))):
influx_up = True
break
else:
logger.info('Checking 8086 port of ' 'ia_influxdbconnector')
retry_count += 1
time.sleep(10)
except socket.gaierror as e:
if (sock_retry_count <= sock_retries):
logger.info('Waiting for ia_influxdbconnector '
'container to start')
sock_retry_count += 1
time.sleep(5)
else:
break
if influx_up:
time.sleep(5)
else:
logger.info('Please check ia_influxdbconnector container, '
'then restart ia_discover_history container')
os._exit(-1)
# This thread will retrieve the image from imagestore service
# and will store into frames directory
condition = threading.Condition()
img_query_thread = threading.Thread(
target=imagestore_client.retrieve_image_frames,
args=(ctx, query, img_handle_queue, condition))
img_query_thread.start()
influx_query_thread = threading.Thread(target=retrieve_measurement_data,
args=(ctx, query, img_handle_queue,
condition))
influx_query_thread.start()
influx_query_thread.join()
logger.info("Influx query processing done")
img_query_thread.join()
logger.info("Retrieved all the frames exiting....")
sys.exit(0)