Add horizontal pod autoscaling

.gitlab-ci.yml

@@ -4,10 +4,10 @@ stages:
   - build chart
   - deploy
 variables:
-  DOCKER_TLS_CERTDIR: ""
-  DOCKER_HOST: "tcp://docker:2375"
-#  DOCKER_TLS_CERTDIR: "/certs"
-#  DOCKER_HOST: "tcp://localhost:2376"
+  DOCKER_TLS_CERTDIR: "/certs"
+  DOCKER_CERT_PATH: "$DOCKER_TLS_CERTDIR/client"
+  DOCKER_TLS_VERIFY: 1
+  DOCKER_HOST: "tcp://docker:2376"
   DOCKER_DRIVER: overlay2
 
 include:

chart/geosphere-mapserver/templates/hpa.yaml

+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2beta2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "geosphere-mapserver.fullname" . }}
+  labels:
+    {{- include "geosphere-mapserver.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "geosphere-mapserver.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}

chart/geosphere-mapserver/values.yaml

@@ -81,6 +81,13 @@ resources: {}
   #   cpu: 100m
   #   memory: 128Mi
 
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 10
+  targetCPUUtilizationPercentage: 80
+  # targetMemoryUtilizationPercentage: 80
+
 nodeSelector: {}
 
 tolerations: []

mapserver/site-conf

@@ -44,7 +44,7 @@
         # handler should be added by the enabled module
         #AddHandler fcgid-script fcgi
         <IfModule mod_fcgid.c>
-           FcgidMaxProcessesPerClass 30
+           FcgidMaxProcessesPerClass 10
            FcgidInitialEnv PROJ_LIB /usr/local/share/proj
            FcgidInitialEnv LD_LIBRARY_PATH "/usr/local/lib:/usr/local/pgsql/lib:/usr3/pkg3/oracle9/lib"
         </IfModule>