async def compute(self, parameters, name, start, end, query):
logger.debug("Computing the QoS in {0} check".format(self.name))
timeseries = await self.make_query(query)
if not timeseries:
msg = "No data for {} (from {} to {})".format(name, start, end)
logger.warning(msg)
raise UnknownStateException(msg)
# Parse the threshold
try:
top_threshold = float(parameters["top_threshold"])
bottom_threshold = float(parameters["bottom_threshold"])
except ValueError:
msg = "Thresholds are not valid (must be floats): {} and {}".format(
parameters["top_threshold"], parameters["bottom_threshold"])
raise BadConfigurationException(msg)
# Compute the QoS
try:
result = compute_interval(
timeseries,
start.timestamp,
end.timestamp,
bottom_threshold,
top_threshold,
)
except DataFetchException as e:
raise UnknownStateException(e)
result.update({"timeseries": timeseries})
return result
def execute(self, parameters, name, start, end):
client = Warp10Client(url=self.configuration["url"],
rotoken=self.configuration["token"])
# Generate the WarpScript and
# change the placeholders.
client.generate_script(start=start.timestamp,
end=end.timestamp,
script=parameters["script"])
try:
response = client.execute()
except Warp10Exception as e:
try:
message = html.unescape(
re.search("<pre>(.*)<\/pre>", str(e)).groups()[0].strip())
except Exception:
message = str(e)
raise BadConfigurationException(
"Warp10 Internal Error : {0}".format(message))
# Transform the Warp10 values
timeseries = []
for ts in response[0]:
timeseries.append({
"dps": _transform_warp10_values(ts["v"]),
"metric": ts["c"],
"tags": ts["l"],
})
if not timeseries:
msg = "No data for {} (from {} to {})".format(name, start, end)
logger.warning(msg)
raise UnknownStateException(msg)
# Parse the threshold
try:
top_threshold = float(parameters["top_threshold"])
bottom_threshold = float(parameters["bottom_threshold"])
except ValueError:
msg = "Thresholds are not valid (must be floats): {} and {}".format(
parameters["top_threshold"], parameters["bottom_threshold"])
raise BadConfigurationException(msg)
# Compute the QoS
try:
result = compute_interval(
timeseries,
start.timestamp,
end.timestamp,
bottom_threshold,
top_threshold,
)
except DataFetchException as e:
raise UnknownStateException(e)
result.update({"timeseries": timeseries})
return result
def execute(self, parameters, name, start, end):
metric = parameters["metric"]
start = start.timestamp
end = end.timestamp
# Our fake database just provides one metric for the interval check
if metric != "depc.tutorial.httpstatus":
raise UnknownStateException("Metric is not available for the tutorial")
random_state = super().create_random_state(start, end, name)
# Generate datapoints
timestamps = list(map(int, np.arange(start, end, 60, dtype=int)))
values = self._generate_fake_http_status(random_state, len(timestamps))
dps = dict(zip(timestamps, values))
timeseries = [{"dps": dps, "metric": metric, "tags": {"name": name}}]
# Parse the thresholds
try:
top_threshold = float(parameters["top_threshold"])
bottom_threshold = float(parameters["bottom_threshold"])
except ValueError:
msg = "Thresholds are not valid (must be floats): {} and {}".format(
parameters["top_threshold"], parameters["bottom_threshold"]
)
raise BadConfigurationException(msg)
try:
result = compute_interval(
timeseries, start, end, bottom_threshold, top_threshold
)
except DataFetchException as e:
raise UnknownStateException(e)
result.update({"timeseries": timeseries})
return result