from threading import Timer, Thread
from queue import Queue
import time
from backend.utils.log import get_logger
logger = get_logger("backend")
INITIALIZE = 'INITIALIZE'
PLAY = 'PLAY'
PAUSE = 'PAUSE'
STOP = 'STOP'
TIMERS_UP = 'TIMERS_UP'
FINISH = 'FINISH'
STATE_RUNNING = 'RUNNING'
STATE_PAUSED = 'PAUSED'
STATE_STOPPED = 'STOPPED'
class Controller(Thread):
def __init__(self, client_proxy, preload_in_secs=15):
# The important part of the state is composed by the following 2 members
self._state = STATE_STOPPED
self._remaining_in_secs = 0
self.queue = Queue()
self._timer = None
self._preload_in_secs = preload_in_secs
self._proxy = client_proxy
self._current_event = None
import os
import time
from requests import get, post, exceptions
from backend.utils.log import get_logger
logger = get_logger("backend_debug")
SIMPLE_KV_HOST = os.environ.get("SIMPLE_KV_HOST", "simple_kv")
SIMPLE_KV_PORT = os.environ.get("SIMPLE_KV_PORT", 5002)
MAX_RETRIES = os.environ.get("SIMPLE_KV_MAX_RETRIES", 5)
SIMPLE_KV_URL = "http://{}:{}".format(SIMPLE_KV_HOST, SIMPLE_KV_PORT)
def ping(max_retries=MAX_RETRIES):
""" Pings the Simple KV and retries up to MAX_RETRIES in case there's no answer """
while True:
try:
logger.debug("Pinging the simpleKV to %s:%s", SIMPLE_KV_HOST,
SIMPLE_KV_PORT)
r = get(SIMPLE_KV_URL + "/ping")
r.raise_for_status()
except (exceptions.ConnectionError, exceptions.ConnectTimeout) as err:
if max_retries == 0:
raise RuntimeError(
"PING to simple-kv failed after {} attempts: {}".format(
5, err))
time.sleep(0.5)
max_retries -= 1
continue
except exceptions.HTTPError as err: