Make it possible to run the gateway without mongodb

api/helm/commonground-gateway/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.5.5
+version: 1.6.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

api/helm/commonground-gateway/templates/deployment.yaml

@@ -68,6 +68,12 @@ spec:
             name: {{ include "commonground-gateway.fullname" . }}-doctrineconfig
             defaultMode: 420
         {{- end }}
+        {{- if eq .Values.cacheType "postgresql" }}
+        - name: monolog
+          configMap:
+            name: {{ include "commonground-gateway.fullname" . }}-monolog
+            defaultMode: 420
+        {{- end }}
         - name: vendor
           persistentVolumeClaim:
               claimName: {{ include "commonground-gateway.fullname" . }}-vendor
@@ -140,6 +146,12 @@ spec:
               name: doctrine
               readOnly: true
             {{- end }}
+            {{- if eq .Values.cacheType "postgresql" }}
+            - mountPath: /srv/api/config/packages/monolog.yaml
+              subPath: monolog.yaml
+              name: monolog
+              readOnly: true
+            {{- end }}
             - mountPath: /srv/api/vendor
               subPath: vendor
               name: vendor

api/helm/commonground-gateway/templates/framework-configmap.yaml

@@ -56,3 +56,72 @@ data:
                         regexp_replace: DoctrineExtensions\Query\Postgresql\RegexpReplace
 
 {{- end }}
+---
+{{- if eq .Values.cacheType "postgresql" }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+    name: {{ include "commonground-gateway.fullname" . }}-monolog
+    labels:
+    {{- include "commonground-gateway.labels" . | nindent 4 }}
+data: 
+    monolog.yaml: |
+        monolog:
+            channels:
+                - deprecation # Deprecations are logged in the dedicated "deprecation" channel when it exists
+                - endpoint
+                - request
+                - schema
+                - cronjob
+                - action
+                - object
+                - synchronization
+                - plugin
+                - cache
+                - object
+                - call
+                - installation
+                - mapping
+            when@dev:
+                monolog:
+                    handlers:
+                        main:
+                            type: stream
+                            path: php://stderr
+                            level: critical
+                            channels: [ "!event" ]
+                        nested:
+                            type: service
+                            id: monolog.postgresql_handler
+                            path: "%kernel.logs_dir%/%kernel.environment%.log"
+                            level: "%log_level%"
+                            channels: [ "!doctrine", "!event", '!deprecation' ]
+            when@test:
+                monolog:
+                    handlers:
+                        main:
+                            type: fingers_crossed
+                            action_level: error
+                            handler: nested
+                            excluded_http_codes: [ 404, 405 ]
+                            channels: [ "!event" ]
+                        nested:
+                            type: stream
+                            path: "%kernel.logs_dir%/%kernel.environment%.log"
+                            level: "%log_level%"
+
+            when@prod:
+                monolog:
+                    handlers:
+                        main:
+                            type: fingers_crossed
+                            action_level: error
+                            handler: nested
+                            excluded_http_codes: [ 404, 405 ]
+                            buffer_size: 50 # How many messages should be saved? Prevent memory leaks
+                        nested:
+                            type: stream
+                            path: "%kernel.logs_dir%/%kernel.environment%.log"
+                            level: info
+                            formatter: monolog.formatter.json
+{{- end }}

api/helm/commonground-gateway/values.yaml

@@ -47,6 +47,7 @@ The gateway offers three forms of authentication:
 Bearer Token - Bearer Tokens are the predominant type of access token used with OAuth 2.0. A Bearer Token is an opaque string, not intended to have any meaning to clients using it."
 
 databaseType: postgresql
+cacheType: mongodb
 
 security:
   rootCA: |