misc: remove support for publishing prometheus metrics (#79709)
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@ -19,7 +19,6 @@ Depends: python3-apt,
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python3-dnspython,
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python3-memcache,
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python3-num2words,
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python3-prometheus-client,
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python3-publik-django-templatetags,
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python3-requests,
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python3-systemd,
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@ -382,8 +382,6 @@ MIDDLEWARE = (
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'hobo.middleware.xforwardedfor.XForwardedForMiddleware',
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) + MIDDLEWARE
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MIDDLEWARE = MIDDLEWARE + ('hobo.middleware.PrometheusStatsMiddleware',)
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HOBO_MANAGER_HOMEPAGE_URL_VAR = 'portal_agent_url'
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HOBO_MANAGER_HOMEPAGE_TITLE_VAR = 'portal_agent_title'
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@ -1,5 +1,4 @@
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from .cookies_samesite import CookiesSameSiteFixMiddleware
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from .cors import CORSMiddleware
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from .seo import RobotsTxtMiddleware
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from .stats import PrometheusStatsMiddleware
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from .version import VersionMiddleware
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@ -1,108 +0,0 @@
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# hobo - portal to configure and deploy applications
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# Copyright (C) 2017 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import inspect
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import time
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import django
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import prometheus_client
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from django.db import connection
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from django.http import HttpResponse
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from django.utils.deprecation import MiddlewareMixin
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requests_total_by_host_view_status_method = prometheus_client.Counter(
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'django_http_requests_total_by_host_view_status_method',
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'Count of requests by host, view, status, method.',
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['host', 'view', 'status', 'method'],
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)
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requests_bytes_by_host_view_status_method = prometheus_client.Summary(
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'django_http_requests_bytes_by_host_view_status_method',
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'Bytes of requests by host, view, status, method.',
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['host', 'view', 'status', 'method'],
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)
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requests_times_by_host_view_status_method = prometheus_client.Summary(
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'django_http_requests_times_by_host_view_status_method',
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'Duration of requests by host, view, status, method.',
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['host', 'view', 'status', 'method'],
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)
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requests_queries_count_by_host_view_status_method = prometheus_client.Summary(
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'django_http_requests_queries_count_by_host_view_status_method',
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'Query count by host, view, status, method.',
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['host', 'view', 'status', 'method'],
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)
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requests_queries_time_by_host_view_status_method = prometheus_client.Summary(
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'django_http_requests_queries_time_by_host_view_status_method',
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'Query time by host, view, status, method.',
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['host', 'view', 'status', 'method'],
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)
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class PrometheusStatsMiddleware(MiddlewareMixin):
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def process_request(self, request):
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if request.method == 'GET' and request.path == '/__metrics__/':
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return HttpResponse(
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prometheus_client.generate_latest(), content_type=prometheus_client.CONTENT_TYPE_LATEST
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)
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connection.force_debug_cursor = True # to count queries
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request._stats_t0 = time.time()
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return None
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def process_view(self, request, view_func, view_args, view_kwargs):
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view = view_func
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if not inspect.isfunction(view_func):
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view = view.__class__
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try:
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request._view_name = '%s.%s' % (view.__module__, view.__name__)
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except AttributeError:
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pass
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def process_response(self, request, response):
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if not hasattr(request, '_stats_t0'):
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return response
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http_method = request.method
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host_name = request.get_host()
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total_time = time.time() - request._stats_t0
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status_code = response.status_code
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view_name = getattr(request, '_view_name', '<unnamed view>')
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requests_total_by_host_view_status_method.labels(host_name, view_name, status_code, http_method).inc()
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if hasattr(response, 'content'):
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response_size = len(response.content)
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requests_bytes_by_host_view_status_method.labels(
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host_name, view_name, status_code, http_method
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).observe(response_size)
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requests_times_by_host_view_status_method.labels(
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host_name, view_name, status_code, http_method
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).observe(total_time)
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if connection.queries_logged:
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sql_queries_count = len(connection.queries)
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sql_queries_time = sum(float(x['time']) for x in connection.queries)
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requests_queries_count_by_host_view_status_method.labels(
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host_name, view_name, status_code, http_method
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).observe(sql_queries_count)
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requests_queries_time_by_host_view_status_method.labels(
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host_name, view_name, status_code, http_method
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).observe(sql_queries_time)
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return response
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@ -3,4 +3,3 @@ django>=1.11,<1.12
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celery<4
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django-mellon
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lxml
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prometheus_client
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