fix: add dnsPolicy to Deployment (#3457)

Signed-off-by: Halil Kaya <halil.kaya@sendcloud.com>
Co-authored-by: Halil Kaya <halil.kaya@sendcloud.com>

deploy/charts/external-secrets/README.md

@@ -92,6 +92,7 @@ The command removes all the Kubernetes components associated with the chart and
 | createOperator | bool | `true` | Specifies whether an external secret operator deployment be created. |
 | deploymentAnnotations | object | `{}` | Annotations to add to Deployment |
 | dnsConfig | object | `{}` | Specifies `dnsOptions` to deployment |
+| dnsPolicy | string | `"ClusterFirst"` | Specifies `dnsPolicy` to deployment |
 | extendedMetricLabels | bool | `false` | If true external secrets will use recommended kubernetes annotations as prometheus metric labels. |
 | extraArgs | object | `{}` |  |
 | extraContainers | list | `[]` |  |

deploy/charts/external-secrets/templates/deployment.yaml

@@ -110,6 +110,7 @@ spec:
         {{- if .Values.extraContainers }}
           {{ toYaml .Values.extraContainers | nindent 8}}
         {{- end }}
+      dnsPolicy: {{ .Values.dnsPolicy }}
       {{- if .Values.dnsConfig }}
       dnsConfig:
           {{- toYaml .Values.dnsConfig | nindent 8 }}

deploy/charts/external-secrets/tests/__snapshot__/controller_test.yaml.snap

@@ -49,5 +49,6 @@ should match snapshot of default values:
                 runAsUser: 1000
                 seccompProfile:
                   type: RuntimeDefault
+          dnsPolicy: ClusterFirst
           hostNetwork: false
           serviceAccountName: RELEASE-NAME-external-secrets

deploy/charts/external-secrets/values.yaml

@@ -510,6 +510,9 @@ certController:
       #   cpu: 10m
       #   memory: 32Mi
 
+# -- Specifies `dnsPolicy` to deployment
+dnsPolicy: ClusterFirst
+
 # -- Specifies `dnsOptions` to deployment
 dnsConfig: {}