Set check_update_interval for healthchecks

templates/client-config-configmap.yaml

@@ -20,4 +20,13 @@ data:
       "enable_central_service_config": true
     }
   {{- end }}
+
+  {{- if (and .Values.connectInject.enabled .Values.connectInject.healthChecks.enabled) }}
+  {{/* We set check_update_interval to 0s so that check output is immediately viewable
+       in the UI. */}}
+  config.json: |-
+    {
+      "check_update_interval": "0s"
+    }
+  {{- end }}
 {{- end }}

test/unit/client-configmap.bats → test/unit/client-config-configmap.bats

@@ -71,3 +71,26 @@ load _helpers
       yq '.data["central-config.json"] | length > 0' | tee /dev/stderr)
   [ "${actual}" = "false" ]
 }
+
+#--------------------------------------------------------------------
+# connectInject.healthChecks
+
+@test "client/ConfigMap: check_update_interval is not set by default" {
+  cd `chart_dir`
+  local actual=$(helm template \
+      -s templates/client-config-configmap.yaml  \
+      . | tee /dev/stderr |
+      yq '.data["config.json"] | length > 0' | tee /dev/stderr)
+  [ "${actual}" = "false" ]
+}
+
+@test "client/ConfigMap: check_update_interval is set when health checks enabled" {
+  cd `chart_dir`
+  local actual=$(helm template \
+      -s templates/client-config-configmap.yaml  \
+      --set 'connectInject.enabled=true' \
+      --set 'connectInject.healthChecks.enabled=true' \
+      . | tee /dev/stderr |
+      yq '.data["config.json"] | contains("check_update_interval")' | tee /dev/stderr)
+  [ "${actual}" = "true" ]
+}