7895875559
We may want to add additional heartbeat checks, particularly depending on the context (e.g. different environments). This is meant to be a start at enabling a more plug-in style heartbeat check that provides more detailed diagnostics if desired.
30 lines
1001 B
Python
30 lines
1001 B
Python
"""
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Views for verifying the health (heartbeat) of the app.
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"""
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from dogapi import dog_stats_api
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from util.json_request import JsonResponse
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from .runchecks import runchecks
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@dog_stats_api.timed('edxapp.heartbeat')
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def heartbeat(request): # pylint: disable=unused-argument
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"""
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Simple view that a loadbalancer can check to verify that the app is up. Returns a json doc
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of service id: status or message. If the status for any service is anything other than True,
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it returns HTTP code 503 (Service Unavailable); otherwise, it returns 200.
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"""
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check_results = {}
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try:
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check_results = runchecks('extended' in request.GET)
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status_code = 200 # Default to OK
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for check in check_results:
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if not check_results[check]['status']:
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status_code = 503 # 503 on any failure
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except Exception as e:
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status_code = 503
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check_results = {'error': unicode(e)}
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return JsonResponse(check_results, status=status_code)
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