[stable/prometheus-blackbox-exporter] Able to mount extra secrets int… (#19119)

* [stable/prometheus-blackbox-exporter] Able to mount extra secrets into the Pod, for example certificates.
Signed-off-by: Hung Do <hdo@infodation.nl>

* [stable/prometheus-blackbox-exporter] Able to mount extra configmaps

Signed-off-by: Hung Do <hdo@infodation.nl>

* [stable/prometheus-blackbox-exporter] Bump up minor version and configmap and secret variables are on par with each other

Signed-off-by: Hung Do <hdo@infodation.nl>

* [stable/prometheus-blackbox-exporter] Improved configmap/secrets examples in the values.yaml

Signed-off-by: Hung Do <hdo@infodation.nl>

stable/prometheus-blackbox-exporter/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Prometheus Blackbox Exporter
 name: prometheus-blackbox-exporter
-version: 1.5.1
+version: 1.6.0
 appVersion: 0.15.1
 home: https://github.com/prometheus/blackbox_exporter
 sources:

stable/prometheus-blackbox-exporter/README.md

@@ -46,6 +46,8 @@ The following table lists the configurable parameters of the Blackbox-Exporter c
 | `config`                               | Prometheus blackbox configuration                 | {}                            |
 | `secretConfig`                         | Whether to treat blackbox configuration as secret | `false`                       |
 | `extraArgs`                            | Optional flags for blackbox                       | `[]`                          |
+| `extraConfigmapMounts`                 | Additional configmap mounts                       | `[]`                          |
+| `extraSecretMounts`                    | Additional secret mounts                          | `[]`                          |
 | `image.repository`                     | container image repository                        | `prom/blackbox-exporter`      |
 | `image.tag`                            | container image tag                               | `v0.15.1`                     |
 | `image.pullPolicy`                     | container image pull policy                       | `IfNotPresent`                |

stable/prometheus-blackbox-exporter/templates/deployment.yaml

@@ -85,6 +85,18 @@ spec:
           volumeMounts:
             - mountPath: /config
               name: config
+          {{- range .Values.extraConfigmapMounts }}
+            - name: {{ .name }}
+              mountPath: {{ .mountPath }}
+              subPath: {{ .subPath | default "" }}
+              readOnly: {{ .readOnly }}
+          {{- end }}
+          {{- range .Values.extraSecretMounts }}
+            - name: {{ .name }}
+              mountPath: {{ .mountPath }}
+              subPath: {{ .subPath }}
+              readOnly: {{ .readOnly }}
+          {{- end }}
       volumes:
         - name: config
 {{- if .Values.secretConfig }}
@@ -94,3 +106,15 @@ spec:
           configMap:
             name: {{ template "prometheus-blackbox-exporter.fullname" . }}
 {{- end }}
+      {{- range .Values.extraConfigmapMounts }}
+        - name: {{ .name }}
+          configMap:
+            name: {{ .configMap }}
+            defaultMode: {{ .defaultMode }}
+      {{- end }}
+      {{- range .Values.extraSecretMounts }}
+        - name: {{ .name }}
+          secret:
+            secretName: {{ .secretName }}
+            defaultMode: {{ .defaultMode }}
+      {{- end }}

stable/prometheus-blackbox-exporter/values.yaml

@@ -12,7 +12,7 @@ strategy:
 
 image:
   repository: prom/blackbox-exporter
-  tag: v0.15.1
+  tag: v0.16.0
   pullPolicy: IfNotPresent
 
   ## Optionally specify an array of imagePullSecrets.
@@ -42,6 +42,23 @@ config:
         no_follow_redirects: false
         preferred_ip_protocol: "ip4"
 
+extraConfigmapMounts: []
+  # - name: certs-configmap
+  #   mountPath: /etc/secrets/ssl/
+  #   subPath: certificates.crt # (optional)
+  #   configMap: certs-configmap
+  #   readOnly: true
+  #   defaultMode: 420
+
+## Additional secret mounts
+# Defines additional mounts with secrets. Secrets must be manually created in the namespace.
+extraSecretMounts: []
+  # - name: secret-files
+  #   mountPath: /etc/secrets
+  #   secretName: blackbox-secret-files
+  #   readOnly: true
+  #   defaultMode: 420
+
 resources: {}
   # limits:
   #   memory: 300Mi