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)
Exemplo n.º 2
0
def get_image_data(topic_name):
    """Get the Images from Zmq
    """
    dev_mode = ctx.is_dev_mode()

    logger = configure_logging(os.environ['PY_LOG_LEVEL'].upper(), __name__,
                               dev_mode)
    try:
        final_image = get_blank_image(TEXT)
        msg_bus_subscriber(topic_name, logger, app_cfg)
        while True:
            if topic_name in queue_dict.keys():
                if not queue_dict[topic_name].empty():
                    frame = queue_dict[topic_name].get()
                    ret, jpeg = cv2.imencode('.jpg', frame)
                    del frame
                    final_image = jpeg.tobytes()
                    del jpeg
            else:
                raise Exception(f"Topic: {topic_name} doesn't exist")

            yield (b'--frame\r\n'
                   b'Content-Type: image/jpeg\r\n\r\n' + final_image +
                   b'\r\n\r\n')
    except KeyboardInterrupt:
        log.exception('Quitting due to keyboard interrupt...')
    except Exception:
        log.exception('Error during execution:')
def get_image_data(topic_name):
    """Get the Images from Zmq
    """
    dev_mode = ctx.is_dev_mode()
    # Initializing Etcd to set env variables

    logger = configure_logging(os.environ['PY_LOG_LEVEL'].upper(), __name__,
                               dev_mode)

    json_config = ctx.get_app_config()
    try:
        final_image = get_blank_image(TEXT)
        msg_bus_subscriber(topic_name, logger, json_config)
        while True:
            if topic_name in queue_dict.keys():
                if not queue_dict[topic_name].empty():
                    frame = queue_dict[topic_name].get()
                    ret, jpeg = cv2.imencode('.jpg', frame)
                    del frame
                    final_image = jpeg.tobytes()
                    del jpeg
            else:
                msg_txt = "Topic Not Found: " + topic_name
                final_image = get_blank_image(msg_txt)

            yield (b'--frame\r\n'
                   b'Content-Type: image/jpeg\r\n\r\n' + final_image +
                   b'\r\n\r\n')
    except KeyboardInterrupt:
        logger.info('Quitting...')
    except Exception:
        logger.exception('Error during execution:')
Exemplo n.º 4
0
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():
    """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)
Exemplo n.º 6
0
    python start.py run --name sample
    python start.py run --name monitor
    python start.py recall --start '2018-07-10 00:01:00' --end '2018-07-17 18:01:00'
"""
import logging
from concurrent.futures import ThreadPoolExecutor

import click
from influxdb import InfluxDBClient

from config.DB import INFLUXDB_CONFIG
from config.APP import (
    LOG_PATH,
    INFLUXDB_DATABASE_NAME
)
from util.log import configure_logging;configure_logging(LOG_PATH)
from util.tools import now_dt
from util.transfer import t2s, s2t
from util.misc import TimeSeries
from task.workers import async_sampler, async_monitor

logger = logging.getLogger('start')


def run_sampler():
    now = now_dt()
    logger.info(f'Start sampler time: [{t2s(now)}]')
    async_sampler(t2s(now.replace(second=0)))


def run_monitor():
Exemplo n.º 7
0
    def __init__(self):
        """Constructor.

        .. warning:: This should *NEVER* be called directly by the application.
        """
        # Verify initial state
        if not os.path.exists('config_schema.json'):
            raise AssertionError('Missing config schema')
        if BridgeState._instance is not None:
            raise AssertionError('BridgeState already initialized')
        BridgeState._instance = self

        # Configure initial logging
        self.log = configure_logging('INFO', __name__, False)

        self.log.info('Reading configuration JSON schema')
        with open('config_schema.json', 'r') as f:
            self.schema = json.load(f)

        # Assign initial state values
        self.loop = asyncio.get_event_loop()
        self.ipc_msgbus_ctxs = {}
        self.tcp_msgbus_ctxs = {}
        self.config_listener = None
        self.subscriber_listeners = None
        self.subscribers = []
        self.config = None  # Saved digital twin

        # Setup Azure Blob connection
        conn_str = os.getenv('AZURE_STORAGE_CONNECTION_STRING')
        if conn_str is not None:
            self.log.info('Azure blob storage ENABLED in Azure bridge')
            self.bsc = BlobServiceClient.from_connection_string(conn_str)
        else:
            self.log.warn('Azure blob storage DISABLED')
            self.bsc = None

        self.log.info('Initializing Azure module client')
        self.module_client = IoTHubModuleClient.create_from_edge_environment()
        self.loop.run_until_complete(self.module_client.connect())

        self.log.info('Getting initial digital twin')
        twin = self.loop.run_until_complete(self.module_client.get_twin())
        self.log.debug('Received initial digital twin')

        self.log.info('Initializing EII config manager')

        try:
            self.config_mgr = cfg.ConfigMgr()
            self.dev_mode = self.config_mgr.is_dev_mode()
            self.app_name = self.config_mgr.get_app_name()
        except Exception as ex:
            self.log.exception(f'Exception: {ex}')
            raise ex

        self.log.debug('Finished initializing config manager')

        # Configure the Azure bridge state with its initial state
        self.configure(twin['desired'])

        # Setup twin listener
        self.config_listener = asyncio.gather(config_listener(self))
Exemplo n.º 8
0
    def configure(self, config):
        """Configure the Azure Bridge using the given Azure digital
        twin for the module.

        .. warning:: This will clear out any previous state that existed (i.e.
            all subscribers will be stopped)

        :param dict config: Azure IoT Hub digital twin for the Azure Bridge
        """
        self.log.info('Configuring the Azure Bridge')

        # Verify the configuration
        self.log.debug('Validating JSON schema of new configuration')
        validate(instance=config, schema=self.schema)

        # Reset message bus state if needed
        if self.ipc_msgbus_ctxs or self.tcp_msgbus_ctxs:
            # Stop all subscribers
            self.log.debug('Stopping previous subscribers')

            # Clean up the message bus contexts and subscribers
            self._cleanup_msgbus_ctxs()

        # Configure logging
        if 'log_level' in config:
            log_level = config['log_level'].upper()
        else:
            log_level = 'INFO'

        self.log = configure_logging(log_level, __name__, False)

        self.log.info('Getting EII Message Bus configuration')
        ipc_msgbus_config, tcp_msgbus_config = get_msgbus_config(
            self.app_name, self.config_mgr, self.dev_mode)

        self.log.debug(f'Topic msgbus config dict: \nIPC: '
                       f'{ipc_msgbus_config}, \nTCP:{tcp_msgbus_config}')

        # Initialize message bus context
        self.log.info('Initializing EII Message Bus')
        if ipc_msgbus_config:
            for topic, msgbus_config in ipc_msgbus_config.items():
                ipc_msgbus_ctx = emb.MsgbusContext(msgbus_config)
                self.ipc_msgbus_ctxs[topic] = ipc_msgbus_ctx
        if tcp_msgbus_config:
            for topic, msgbus_config in tcp_msgbus_config.items():
                tcp_msgbus_ctx = emb.MsgbusContext(msgbus_config)
                self.tcp_msgbus_ctxs[topic] = tcp_msgbus_ctx

        # Initialize subscribers
        listener_coroutines = []

        try:
            for (in_topic, topic_conf) in config['topics'].items():
                self.log.info(f'Creating subscriber {in_topic}')
                self.log.debug(f'{in_topic} config: {topic_conf}')
                if 'az_output_topic' not in topic_conf:
                    raise AssertionError('Missing az_output_topic')

                if self.bsc is not None and \
                        'az_blob_container_name' in topic_conf:
                    cn = topic_conf['az_blob_container_name']
                else:
                    cn = None

                msgbus_ctx = None
                if in_topic in self.ipc_msgbus_ctxs:
                    msgbus_ctx = self.ipc_msgbus_ctxs[in_topic]
                elif in_topic in self.tcp_msgbus_ctxs:
                    msgbus_ctx = self.tcp_msgbus_ctxs[in_topic]
                else:
                    raise RuntimeError(
                        f'Cannot find {in_topic} msgbus context')

                # Initialize the subcsriber
                subscriber = msgbus_ctx.new_subscriber(in_topic)

                self.subscribers.append(subscriber)
                listener_coroutines.append(
                    emb_subscriber_listener(self, subscriber,
                                            topic_conf['az_output_topic'], cn))
        except Exception as ex:
            # Clean up the message bus contexts
            self._cleanup_msgbus_ctxs()
            self.log.exception(f'Exception: {ex}')

            # Re-raise whatever exception just occurred
            raise

        # Schedule task for C2D Listener
        self.subscriber_listeners = asyncio.gather(*listener_coroutines)

        # Configure EII
        self.log.info('Getting ETCD configuration')

        # NOTE: THIS IS A HACK, AND NEEDS TO BE FIXED IN THE FUTURE
        hostname = 'localhost'

        # This change will be moved to an argument to the function in 2.3
        # This is done now for backward compatibility
        etcd_host = os.getenv('ETCD_HOST')
        if etcd_host is not None and etcd_host != '':
            hostname = etcd_host

        port = os.getenv('ETCD_CLIENT_PORT', '2379')
        if not Util.check_port_availability(hostname, port):
            raise RuntimeError(f'etcd service port: {port} is not up!')

        try:
            if self.dev_mode:
                etcd = etcd3.client(host=hostname, port=port)
            else:
                etcd = etcd3.client(
                    host=hostname,
                    port=port,
                    ca_cert='/run/secrets/rootca/cacert.pem',
                    cert_key='/run/secrets/root/root_client_key.pem',
                    cert_cert='/run/secrets/root/root_client_certificate.pem')
        except Exception as e:
            self.log.exception(f'Exception raised when creating etcd'
                               f'client instance with error: {e}')
            raise e
        resp = etcd.get_all()
        eii_config = {}
        for value, meta in resp:
            try:
                value = json.loads(value.decode('utf-8'))
                key = meta.key.decode('utf-8')
                eii_config[key] = value
            except Exception as e:
                # NOTE: Errors may happen if security is enabled, because the
                # first part is the request's key
                self.log.error(f'{e}')

        self.log.debug('Finding changes in EII configuration')
        new_eii_config = json.loads(config['eii_config'])
        changed_keys, removed_keys = find_root_changes(eii_config,
                                                       new_eii_config)

        self.log.debug(f'Changed service configs: {changed_keys}')
        self.log.debug(f'Removed service configs: {removed_keys}')

        self.log.info('Applying EII configuration')

        self.log.debug('Applying changes to the changed configs')
        for key in changed_keys:
            self.log.debug(f'Pushing config for {key}')
            etcd.put(key, json.dumps(new_eii_config[key], indent=4))
            self.log.debug(f'Successfully pushed config for {key}')

        self.log.debug('Deleting removed service configs')
        for key in removed_keys:
            # NOTE: THIS IS A HACK, AND NEEDS TO BE FIXED IN THE FUTURE
            self.log.debug(f'Removing config for {key}')
            etcd.delete(key)
            self.log.debug(f'Successfully removed config for {key}')

        self.log.info('EII configuration update applied')

        # Save configuration for future comparisons
        self.config = config
Exemplo n.º 9
0
@contact: [email protected]
@module: workers
@date: 2018/7/9
"""
import logging
from datetime import timedelta
from queue import Queue
from concurrent.futures import ThreadPoolExecutor

from influxdb import InfluxDBClient

from config.DB import INFLUXDB_CONFIG
from config.APP import (LOG_PATH, DB_URL, DB_NAME, ACTIVE_EVENT_KEYS,
                        INFLUXDB_DATABASE_NAME, MIN_ALERT_VALUE)
from util.log import configure_logging
configure_logging(LOG_PATH)
from util.error_track import track_error, track_warn, track_info
from util.transfer import s2t
from util.misc import get_lib_cls

from models import get_session
from models.event_config import EventConfig as Config
from task.app import app, Task

logger = logging.getLogger('workers')

executor = ThreadPoolExecutor()
map_ = executor.map


class Sampler:
Exemplo n.º 10
0
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)
Exemplo n.º 11
0
TEMP_DS = "{}/conf/provisioning/datasources/datasource.yml".format(GRAFANA_DIR)
TEXT = 'Disconnected'
TEXTPOSITION = (10, 110)
TEXTFONT = cv2.FONT_HERSHEY_PLAIN
TEXTCOLOR = (255, 255, 255)

# Config manager initialization
ctx = cfg.ConfigMgr()
app_cfg = ctx.get_app_config()
dev_mode = ctx.is_dev_mode()
topics_list = []
topic_config_list = []
queue_dict = {}

# Initializing logger
log = configure_logging(
    os.getenv('PY_LOG_LEVEL', 'DEBUG').upper(), __name__, dev_mode)

# Visualization related variables
FRAME_QUEUE_SIZE = 10

# Initializing flask related variables
NONCE = secrets.token_urlsafe(8)
APP = Flask(__name__)
LOADER = FileSystemLoader(searchpath="Grafana/templates/")

# Setting default auto-escape for all templates
ENV = Environment(loader=LOADER,
                  autoescape=select_autoescape(
                      enabled_extensions=('html'),
                      default_for_string=True,
                  ))
Exemplo n.º 12
0
    if isinstance(val, str):
        val = val.encode('utf-8')
    else:
        val = bytes(val)

    return val


def ensure_unicode(val):
    return b2s(val)


if __name__ == '__main__':
    from util.log import configure_logging
    configure_logging()
    now = datetime.now()
    print(t2s(now))
    print(s2num('是'))
    print(s2num('否'))
    print(s2num(''))
    print(s2num('1'))
    print(s2num('1.0'))
    print(s2num('-1'))
    print(s2num('-1.0'))
    print(s2f(''))
    print(s2f(1))
    print(s2f(1.0))
    print(s2f('1'))
    print(s2f('-1'))
    print(s2f('1.2'))
Exemplo n.º 13
0
"""
@User    : frank 
@Time    : 2019/7/18 20:10
@File    : __init__.py
@Email  : [email protected]

references:
    http://docs.jinkan.org/docs/flask/patterns/fileuploads.html
"""
import logging
from flask import Flask

from app.main import readImageFromDisk
from util.log import configure_logging

configure_logging("../logs/")

logger = logging.getLogger(__name__)


def register_blueprint(app):
    from app.web.upload_service import web
    app.register_blueprint(web)
    pass


def create_app():
    app = Flask(__name__)

    # 加载app配置文件
    app.config.from_object('config.DB')