Add extraCommands for workers

charts/matrix-synapse/templates/worker-deployment.yaml

@@ -65,6 +65,15 @@ spec:
                     -e "s/@@REDIS_PASSWORD@@/${REDIS_PASSWORD:-}/" \
                        > /synapse/config/conf.d/secrets.yaml
 
+              {{- if (or $config.extraCommands $default.extraCommands) }}
+
+              {{- with $config.extraCommands | default $default.extraCommands }}
+              {{ range . }}
+              {{ . }}
+              {{- end }}
+              {{- end }}
+              {{- end }}
+
               exec python -B -m synapse.app.{{ (not (not $config.generic)) | ternary "generic_worker" $worker }} \
                           -c /synapse/config/homeserver.yaml \
                           -c /synapse/config/conf.d/ \

charts/matrix-synapse/values.yaml

@@ -288,6 +288,12 @@ workers:
     volumes: []
     volumeMounts: []
 
+    ## Extra commands to run when starting Synapse
+    ##
+    extraCommands: []
+    # - 'apt-get update -yqq && apt-get install patch -yqq'
+    # - 'patch -d/usr/local/lib/python3.7/site-packages/synapse -p2 < /synapse/patches/something.patch'
+
     ## Security context information to set to the worker.
     ##
     podSecurityContext: {}