Change image key name for blackbox exporter

This ps change the key name for the blackbox exporter so that
it is consistent with the naming convention of other prometheus
exporters.

Co-authored-by: Chi Lo <cl566n@att.com>

Change-Id: Ia190aa6730fab99d7fb14c53b538c72a1bc698ce

prometheus-blackbox-exporter/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v0.16.0
 description: OpenStack-Helm blackbox exporter for Prometheus
 name: prometheus-blackbox-exporter
-version: 0.1.1
+version: 0.1.2
 home: https://github.com/prometheus/blackbox_exporter
 sources:
   - https://opendev.org/openstack/openstack-helm-infra

prometheus-blackbox-exporter/templates/deployment.yaml

@@ -39,7 +39,7 @@ spec:
         {{ .Values.labels.blackbox_exporter.node_selector_key }}: {{ .Values.labels.blackbox_exporter.node_selector_value | quote }}
       containers:
       - name: blackbox-exporter
-{{ tuple $envAll "prometheus_blackbox_exporter" | include "helm-toolkit.snippets.image" | indent 8 }}
+{{ tuple $envAll "blackbox_exporter" | include "helm-toolkit.snippets.image" | indent 8 }}
 {{ tuple $envAll $envAll.Values.pod.resources.prometheus_blackbox_exporter | include "helm-toolkit.snippets.kubernetes_resources" | indent 8 }}
 {{ dict "envAll" $envAll "application" "prometheus_blackbox_exporter" "container" "blackbox_exporter" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 8 }}
         args:

prometheus-blackbox-exporter/values.yaml

@@ -17,7 +17,7 @@
 
 images:
   tags:
-    prometheus_blackbox_exporter: docker.io/prom/blackbox-exporter:v0.16.0
+    blackbox_exporter: docker.io/prom/blackbox-exporter:v0.16.0
   pull_policy: IfNotPresent
   local_registry:
     active: false

releasenotes/notes/prometheus-blackbox-exporter.yaml

@@ -2,4 +2,5 @@
 prometheus-blackbox-exporter:
   - 0.1.0 Initial Chart
   - 0.1.1 Change helm-toolkit dependency version to ">= 0.1.0"
+  - 0.1.2 Rename image key name
 ...