151bd13666
* Generate common/djangoapps import shims for LMS * Generate common/djangoapps import shims for Studio * Stop appending project root to sys.path * Stop appending common/djangoapps to sys.path * Import from common.djangoapps.course_action_state instead of course_action_state * Import from common.djangoapps.course_modes instead of course_modes * Import from common.djangoapps.database_fixups instead of database_fixups * Import from common.djangoapps.edxmako instead of edxmako * Import from common.djangoapps.entitlements instead of entitlements * Import from common.djangoapps.pipline_mako instead of pipeline_mako * Import from common.djangoapps.static_replace instead of static_replace * Import from common.djangoapps.student instead of student * Import from common.djangoapps.terrain instead of terrain * Import from common.djangoapps.third_party_auth instead of third_party_auth * Import from common.djangoapps.track instead of track * Import from common.djangoapps.util instead of util * Import from common.djangoapps.xblock_django instead of xblock_django * Add empty common/djangoapps/__init__.py to fix pytest collection * Fix pylint formatting violations * Exclude import_shims/ directory tree from linting
39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
"""
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Views for verifying the health (heartbeat) of the app.
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"""
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import logging
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import six
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from common.djangoapps.util.json_request import JsonResponse
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from .runchecks import runchecks
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log = logging.getLogger(__name__)
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def heartbeat(request):
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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': six.text_type(e)}
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if status_code == 503:
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log.error(u'Heartbeat check failed (%s): %s', status_code, check_results)
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return JsonResponse(check_results, status=status_code)
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