Added option to customize config path by setting it into values file (#983)

Signed-off-by: Cristi Vlad <vlad_crst@yahoo.com>

charts/prometheus-blackbox-exporter/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Prometheus Blackbox Exporter
 name: prometheus-blackbox-exporter
-version: 4.11.0
+version: 4.12.0
 appVersion: 0.18.0
 home: https://github.com/prometheus/blackbox_exporter
 sources:

charts/prometheus-blackbox-exporter/templates/daemonset.yaml

@@ -78,7 +78,11 @@ spec:
           {{- end }}
           args:
 {{- if (or .Values.config .Values.configExistingSecretName) }}
+   {{- if .Values.configPath }}
+            - "--config.file={{ .Values.configPath }}"
+   {{- else }}
             - "--config.file=/config/blackbox.yaml"
+   {{- end }}
 {{- else }}
             - "--config.file=/etc/blackbox_exporter/config.yml"
 {{- end }}

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

@@ -89,7 +89,11 @@ spec:
           {{- end }}
           args:
 {{- if .Values.config }}
+   {{- if .Values.configPath }}
+            - "--config.file={{ .Values.configPath }}"
+   {{- else }}
             - "--config.file=/config/blackbox.yaml"
+   {{- end }}
 {{- else }}
             - "--config.file=/etc/blackbox_exporter/config.yml"
 {{- end }}

charts/prometheus-blackbox-exporter/values.yaml

@@ -102,6 +102,9 @@ config:
         no_follow_redirects: false
         preferred_ip_protocol: "ip4"
 
+# Set custom config path, other than default /config/blackbox.yaml. If let empty, path will be "/config/blackbox.yaml"
+# configPath: "/foo/bar"
+
 extraConfigmapMounts: []
   # - name: certs-configmap
   #   mountPath: /etc/secrets/ssl/