[prometheus-mongodb-exporter] Add hostAliases (#6258)

Author: applejag

charts/prometheus-mongodb-exporter/Chart.yaml

@@ -18,4 +18,4 @@ maintainers:
 name: prometheus-mongodb-exporter
 sources:
   - https://github.com/percona/mongodb_exporter
-version: 3.14.0
+version: 3.15.0

charts/prometheus-mongodb-exporter/ci/dns-and-host-values.yaml

@@ -0,0 +1,22 @@
+# Test setting DNS overrides
+
+dnsConfig:
+  nameservers:
+    - 192.0.2.1
+  searches:
+    - ns1.svc.cluster-domain.example
+    - my.dns.search.suffix
+  options:
+    - name: ndots
+      value: "2"
+    - name: edns0
+
+hostAliases:
+  - ip: "127.0.0.1"
+    hostnames:
+    - "foo.local"
+    - "bar.local"
+  - ip: "10.1.2.3"
+    hostnames:
+    - "foo.remote"
+    - "bar.remote"

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

@@ -82,6 +82,10 @@ spec:
       dnsConfig:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with .Values.hostAliases }}
+      hostAliases:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       imagePullSecrets:
         {{- toYaml .Values.imagePullSecrets | nindent 8 }}
       {{- with .Values.podSecurityContext }}

charts/prometheus-mongodb-exporter/values.yaml

@@ -6,6 +6,7 @@ annotations: {}
 customLabels: {}
 
 dnsConfig: {}
+hostAliases: []
 
 # Extra environment variables that will be passed into the exporter pod
 env: {}