Support setting log level in helm chart

cmd/nginx-ingress/main.go

@@ -110,8 +110,8 @@ The external address of the service is used when reporting the status of Ingress
 		"Enable debugging for NGINX. Uses the nginx-debug binary. Requires 'error-log-level: debug' in the ConfigMap.")
 
 	wildcardTLSSecret = flag.String("wildcard-tls-secret", "",
-		`A Secret with a TLS certificate and key for TLS termination of every Ingress host for which TLS termination is enabled but the Secret is not specified. 
-		Format: <namespace>/<name>. If the argument is not set, for such Ingress hosts NGINX will break any attempt to establish a TLS connection. 
+		`A Secret with a TLS certificate and key for TLS termination of every Ingress host for which TLS termination is enabled but the Secret is not specified.
+		Format: <namespace>/<name>. If the argument is not set, for such Ingress hosts NGINX will break any attempt to establish a TLS connection.
 		If the argument is set, but the Ingress controller is not able to fetch the Secret from Kubernetes API, the Ingress controller will fail to start.`)
 
 	enablePrometheusMetrics = flag.Bool("enable-prometheus-metrics", false,
@@ -222,7 +222,7 @@ func main() {
 
 	templateExecutorV2, err := version2.NewTemplateExecutor(nginxVirtualServerTemplatePath)
 	if err != nil {
-		glog.Fatalf("Error cresting TemplateExecutorV2: %v", err)
+		glog.Fatalf("Error creating TemplateExecutorV2: %v", err)
 	}
 
 	var registry *prometheus.Registry

deployments/helm-chart/README.md

@@ -62,6 +62,7 @@ Parameter | Description | Default
 `controller.nginxplus` | Deploys the Ingress controller for NGINX Plus. | false
 `controller.hostNetwork` | Enables the Ingress controller pods to use the host's network namespace. | false
 `controller.nginxDebug` | Enables debugging for NGINX. Uses the `nginx-debug` binary. Requires `error-log-level: debug` in the ConfigMap via `controller.config.entries`. | false
+`controller.logLevel` | The log level of the Ingress Controller. | 1
 `controller.image.repository` | The image repository of the Ingress controller. | nginx/nginx-ingress
 `controller.image.tag` | The tag of the Ingress controller image. | edge
 `controller.image.pullPolicy` | The pull policy for the Ingress controller image. | IfNotPresent

deployments/helm-chart/templates/controller-daemonset.yaml

@@ -82,6 +82,7 @@ spec:
 {{- end }}
           - -health-status={{ .Values.controller.healthStatus }}
           - -nginx-debug={{ .Values.controller.nginxDebug }}
+          - -v={{ .Values.controller.logLevel }}
           - -nginx-status={{ .Values.controller.nginxStatus.enable }}
 {{- if .Values.controller.nginxStatus.enable }}
           - -nginx-status-port={{ .Values.controller.nginxStatus.port }}

deployments/helm-chart/templates/controller-deployment.yaml

@@ -80,6 +80,7 @@ spec:
 {{- end }}
           - -health-status={{ .Values.controller.healthStatus }}
           - -nginx-debug={{ .Values.controller.nginxDebug }}
+          - -v={{ .Values.controller.logLevel }}
           - -nginx-status={{ .Values.controller.nginxStatus.enable }}
 {{- if .Values.controller.nginxStatus.enable }}
           - -nginx-status-port={{ .Values.controller.nginxStatus.port }}

deployments/helm-chart/values.yaml

@@ -15,6 +15,9 @@ controller:
   ## Enables debugging for NGINX. Uses the nginx-debug binary. Requires error-log-level: debug in the ConfigMap via `controller.config.entries`.
   nginxDebug: false
 
+  ## The log level of the Ingress Controller.
+  logLevel: 1
+
   ## A list of custom ports to expose on the NGINX ingress controller pod. Follows the conventional Kubernetes yaml syntax for container ports.
   customPorts: []