nikdoof/homeassistant-prometheus-query
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More error handling for failed queries and unavailable Prometheus

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This commit is contained in:
Andrew Williams
2021-11-14 16:44:44 +00:00
parent 1ad0c03cdd
commit 3e24460b24
1 changed files with 17 additions and 8 deletions
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25
custom_components/prometheus_query/sensor.py
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@@ -70,13 +70,22 @@ class PrometheusQuery(SensorEntity):
"""Fetch new state data for the sensor.
This is the only method that should fetch new data for Home Assistant.
"""
response_value = STATE_UNKNOWN
try:
response = requests.get(self._url, params={'query': self._query})
if (response):
results = response.json()['data']['result']
self._attr_native_value = results[0]['value'][1]
else:
self._attr_native_value = STATE_UNKNOWN
self._attr_state = self._attr_native_value
except URLCallError:
_LOGGER.error("Error when retrieving update data")
except requests.RequestException:
_LOGGER.exception("Error when querying Prometheus")
else:
if response.ok:
try:
json = response.json()
except requests.exceptions.JSONDecodeError:
_LOGGER.exception("Unable to decode response from Prometheus")
else:
if 'data' in json and 'result' in json['data']:
if len(json['data']['result']):
self._attr_native_value = json['data']['result'][0]['value'][1]
# Update attributes
self._attr_native_value = response_value
self._attr_state = self._attr_native_value