[mosquitto] Add option for selectively adding listener (#1711)

Using TLS in Mosquitto does not work if the listener option is present
in the main mosquitto.conf. This is why an option is added to prevent
it from being added to support TLS usage without hacking the chart
locally.

Signed-off-by: Tero Paloheimo <tero.paloheimo@iki.fi>

charts/stable/mosquitto/Chart.yaml

@@ -3,7 +3,7 @@ apiVersion: v2
 appVersion: 2.0.14
 description: Eclipse Mosquitto - An open source MQTT broker
 name: mosquitto
-version: 4.5.1
+version: 4.6.0
 kubeVersion: ">=1.16.0-0"
 keywords:
   - mosquitto
@@ -22,5 +22,5 @@ dependencies:
     version: 4.4.2
 annotations:
   artifacthub.io/changes: |-
-    - kind: changed
-      description: Use appVersion as image tag by default
+    - kind: added
+      description: Option to disable adding of the listener option to the config

charts/stable/mosquitto/README.md

@@ -80,21 +80,22 @@ N/A
 | image.repository | string | `"eclipse-mosquitto"` | image repository |
 | image.tag | string | chart.appVersion | image tag |
 | perListenerSettings | bool | `false` | By enabling this, authentication and access control settings will be controlled on a per-listener basis |
+| addListener | bool | `true` | When enabled the `listener` option is added to the mosquitto config. |
 | persistence.configinc | object | See values.yaml | Configure a persistent volume to place *.conf mosquitto-config-files in. When enabled, this gets set as `include_dir` in the mosquitto config. |
 | persistence.data | object | See values.yaml | Configure a persistent volume to place mosquitto data in. When enabled, this enables `persistence` and `persistence_location` in the mosquitto config. |
 | service | object | See values.yaml | Configures service settings for the chart. Normally this does not need to be modified. |
 
 ## Changelog
 
-### Version 4.5.1
+### Version 4.6.0
 
 #### Added
 
-N/A
+* Option to disable adding of the `listener` option to the config
 
 #### Changed
 
-* Use appVersion as image tag by default
+N/A
 
 #### Fixed
 

charts/stable/mosquitto/templates/configmap.yaml

@@ -9,7 +9,9 @@ metadata:
 data:
   mosquitto.conf: |
     per_listener_settings {{ .Values.perListenerSettings }}
+    {{- if .Values.addListener }}
     listener {{ .Values.service.main.ports.mqtt.port }}
+    {{- end}}
     {{- if .Values.auth.enabled }}
     allow_anonymous false
     {{- else }}

charts/stable/mosquitto/values.yaml

@@ -32,6 +32,10 @@ auth:
 # -- By enabling this, authentication and access control settings will be controlled on a per-listener basis
 perListenerSettings: false
 
+# -- When enabled, this adds the `listener` option to the mosquitto config.
+# Change this to false when using TLS.
+addListener: true
+
 persistence:
   # -- Configure a persistent volume to place mosquitto data in.
   # When enabled, this enables `persistence` and `persistence_location` in the mosquitto config.