Support K8s Pod affinity configuration for Pod scheduling (#12)

* support K8s Pod affinity configuration for Pod scheduling

* also add the LICENSE notice to the generated Helm chart

* fix company name in file LICENSE

Author: ThoSap

LICENSE

@@ -1,4 +1,4 @@
-Copyright About Bits GmbH
+Copyright AboutBits GmbH
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

operator/src/main/helm/LICENSE

@@ -0,0 +1,7 @@
+Copyright AboutBits GmbH
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

operator/src/main/kubernetes/kubernetes.yml

@@ -0,0 +1,9 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: postgresql-operator
+spec:
+  template:
+    spec:
+      affinity: {}

operator/src/main/resources/application.yml

@@ -103,6 +103,12 @@ quarkus:
         value: ${quarkus.kubernetes.image-pull-secrets[0]}
         paths:
           - (kind == Deployment).spec.template.spec.imagePullSecrets[0].name
+        description: Kubernetes image pull secret to use if the OCI image is hosted on a private registry
+      affinity:
+        property: affinity
+        value-as-map: {}
+        path: (kind == Deployment).spec.template.spec.affinity
+        description: Kubernetes affinity configuration for Pod scheduling
     expressions:
       release-name-labels:
         expression: "{{ .Release.Name }}"
@@ -116,6 +122,9 @@ quarkus:
       release-name-deployment-labels:
         expression: "{{ .Release.Name }}"
         path: (kind == Deployment).spec.template.metadata.labels.'app.kubernetes.io/name'
+      affinity:
+        expression: "{{- toYaml (.Values.app.affinity | default dict) | nindent 8 }}"
+        path: (kind == Deployment).spec.template.spec.affinity
   kubernetes:
     name: postgresql-operator
     version: ${quarkus.application.version}