[stable/mariadb] Replace prom/mysqld-exporter with bitnami/mysqld-exporter (#15794)

* [stable/mariadb] Replace prom/mysqld-exporter with bitnami/mysqld-exporter

Signed-off-by: Marcos Bjoerkelund <marcos@bitnami.com>

* fix mysqld-exporter image

Signed-off-by: Marcos Bjoerkelund <marcos@bitnami.com>

* use minor branch

Signed-off-by: Marcos Bjoerkelund <marcos@bitnami.com>

stable/mariadb/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: mariadb
-version: 6.6.0
+version: 6.7.0
 appVersion: 10.3.16
 description: Fast, reliable, scalable, and easy to use open-source relational database system. MariaDB Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed software. Highly available MariaDB cluster.
 keywords:

stable/mariadb/README.md

@@ -156,8 +156,8 @@ The following table lists the configurable parameters of the MariaDB chart and t
 | `slave.podDisruptionBudget.maxUnavailable`| Maximum number / percentage of pods that may be made unavailable | `nil`                                                |
 | `metrics.enabled`                         | Start a side-car prometheus exporter                | `false`                                                           |
 | `metrics.image.registry`                  | Exporter image registry                             | `docker.io`                                                       |
-| `metrics.image.repository`                | Exporter image name                                 | `prom/mysqld-exporter`                                            |
-| `metrics.image.tag`                       | Exporter image tag                                  | `v0.10.0`                                                         |
+| `metrics.image.repository`                | Exporter image name                                 | `bitnami/mysqld-exporter`                                            |
+| `metrics.image.tag`                       | Exporter image tag                                  | `0.12.0-debian-9-r2`                                                         |
 | `metrics.image.pullPolicy`                | Exporter image pull policy                          | `IfNotPresent`                                                    |
 | `metrics.resources`                       | Exporter resource requests/limit                    | `nil`                                                             |
 | `metrics.serviceMonitor.enabled`          | if `true`, creates a Prometheus Operator ServiceMonitor (also requires `metrics.enabled` to be `true`)                    | `false`                                                             |

stable/mariadb/values-production.yaml

@@ -409,8 +409,8 @@ metrics:
   enabled: true
   image:
     registry: docker.io
-    repository: prom/mysqld-exporter
-    tag: v0.10.0
+    repository: bitnami/mysqld-exporter
+    tag: 0.12.0-debian-9-r2
     pullPolicy: IfNotPresent
     ## Optionally specify an array of imagePullSecrets.
     ## Secrets must be manually created in the namespace.

stable/mariadb/values.yaml

@@ -409,8 +409,8 @@ metrics:
   enabled: false
   image:
     registry: docker.io
-    repository: prom/mysqld-exporter
-    tag: v0.10.0
+    repository: bitnami/mysqld-exporter
+    tag: 0.12.0-debian-9-r2
     pullPolicy: IfNotPresent
     ## Optionally specify an array of imagePullSecrets.
     ## Secrets must be manually created in the namespace.