Enable support for pprof for operator

Pprof is already present in the operator, but required manual
edits. This commit makes it available via values.yaml for
easy use.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Author: alexellis

chart/openfaas/templates/gateway-dep.yaml

@@ -266,6 +266,10 @@ spec:
           - name: leader_election
             value: "true"
           {{- end }}
+          {{- if eq (or .Values.operator.pprof false) true }}
+          - name: pprof
+            value: {{ .Values.operator.pprof | quote }}
+          {{- end }}
           {{- if .Values.iam.enabled }}
           - name: issuer_key_path
             value: "/var/secrets/issuer-key/issuer.key"

chart/openfaas/values.yaml

@@ -96,12 +96,18 @@ operator:
   create: false
   # Unnecessary when running a single replica of the gateway
   leaderElection:
-    enabled: true
+    enabled: false
   reconcileWorkers: 2
   resources:
     requests:
       memory: "120Mi"
       cpu: "50m"
+  # When set to true, pprof will be enabled, and the 
+  # service "faas-provider" will gain an extra port to
+  # expose the pprof endpoint, this cannot be used in production
+  # since it may bypass authentication, and should only be used
+  # for debugging purposes
+  pprof: false
 
   # For OpenFaaS for Enterprises, these numbers can be set higher,
   # if experiencing rate limiting due to a large number of functions