Milestone: logical backups of postgres now work.

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: postgres-extra-config
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: postgres-extra-config
+---

+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - extra-config.yaml
+

 namespace: postgres-operator
+backup:
+  provider: s3
+  s3:
+    access_key_id: ""
+    secret_access_key: ""
+    bucket: ""
+    region: ""
+    endpoint: ""
+    sse: "AES256"
+    wale_endpoint: ""
 

@@ -8,7 +8,43 @@ repositories:
 ---
 
 releases:
+  - name: postgres-extra-config
+    namespace: {{ .Values.namespace }}
+    chart: charts/extra-config
+    strategicMergePatches:
+      - apiVersion: v1
+        kind: ConfigMap
+        metadata:
+          name: postgres-extra-config
+          namespace: {{ .Values.namespace }}
+        data:
+          USE_WALE_BACKUP: "true"
+          AWS_ACCESS_KEY_ID: {{ .Values.backup.s3.access_key_id }}
+          WALE_S3_ENDPOINT: {{ .Values.backup.s3.wale_endpoint }}
+      - apiVersion: v1
+        kind: Secret
+        metadata:
+          name: postgres-extra-config
+          namespace: {{ .Values.namespace }}
+        stringData:
+          AWS_SECRET_ACCESS_KEY: {{ .Values.backup.s3.secret_access_key }}
+
   - name: postgres-operator
     namespace: {{ .Values.namespace }}
     chart: postgres-operator-charts/postgres-operator
     disableValidation: true
+    values:
+      - configLogicalBackup:
+          logical_backup_provider: {{ .Values.backup.provider }}
+          logical_backup_s3_access_key_id: {{ .Values.backup.s3.access_key_id }}
+          logical_backup_s3_bucket: {{ .Values.backup.s3.bucket }}
+          logical_backup_s3_region: {{ .Values.backup.s3.region }}
+          logical_backup_s3_endpoint: {{ .Values.backup.s3.endpoint }}
+          logical_backup_s3_secret_access_key: {{ .Values.backup.s3.secret_access_key }}
+          logical_backup_s3_sse: {{ .Values.backup.s3.sse }}
+        configAwsOrGcp:
+          aws_region: {{ .Values.backup.s3.region }}
+          wal_s3_bucket: {{ .Values.backup.s3.bucket }}
+        configKubernetes:
+          pod_environment_configmap: {{ .Values.namespace }}/postgres-extra-config
+          pod_environment_secret: {{ .Values.namespace }}/postgres-extra-config