helm(minor): add service monitors

helm/passbook/templates/static-sm.yaml

@@ -0,0 +1,15 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    app.kubernetes.io/name: {{ include "passbook.name" . }}
+    helm.sh/chart: {{ include "passbook.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+  name: {{ include "passbook.fullname" . }}-static-monitoring
+spec:
+  endpoints:
+  - port: http
+  selector:
+    matchLabels:
+      k8s.passbook.io/component: static

helm/passbook/templates/web-service.yaml

@@ -4,9 +4,10 @@ metadata:
   name: {{ include "passbook.fullname" . }}-web
   labels:
     app.kubernetes.io/name: {{ include "passbook.name" . }}
-    helm.sh/chart: {{ include "passbook.chart" . }}
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
+    helm.sh/chart: {{ include "passbook.chart" . }}
+    k8s.passbook.io/component: web
 spec:
   type: {{ .Values.service.type }}
   ports:

helm/passbook/templates/web-sm.yaml

@@ -0,0 +1,22 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    app.kubernetes.io/name: {{ include "passbook.name" . }}
+    helm.sh/chart: {{ include "passbook.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+  name: {{ include "passbook.fullname" . }}-web-monitoring
+spec:
+  endpoints:
+  - basicAuth:
+      password:
+        name: {{ include "passbook.fullname" . }}-secret-key
+        key: secret_key
+      username:
+        name: {{ include "passbook.fullname" . }}-secret-key
+        key: monitoring_username
+    port: http
+  selector:
+    matchLabels:
+      k8s.passbook.io/component: web

passbook/root/monitoring.py

@@ -1,10 +1,12 @@
 """Metrics view"""
 from base64 import b64encode
+
 from django.conf import settings
+from django.http import Http404, HttpRequest, HttpResponse
 from django.views import View
-from django.http import HttpRequest, HttpResponse, Http404
 from django_prometheus.exports import ExportToDjangoView
 
+
 class MetricsView(View):
     """Wrapper around ExportToDjangoView, using http-basic auth"""
 

passbook/root/urls.py

@@ -6,8 +6,8 @@ from django.views.generic import RedirectView
 from structlog import get_logger
 
 from passbook.core.views import error
-from passbook.root.monitoring import MetricsView
 from passbook.lib.utils.reflection import get_apps
+from passbook.root.monitoring import MetricsView
 
 LOGGER = get_logger()
 admin.autodiscover()