703 feature postgres role (#710)

postgres role added

user-skel/ansible_collections/ace_box/ace_box/roles/postgres/README.md

@@ -0,0 +1,18 @@
+# Postgres Role
+
+This currated role can be used to install PostgreSQL database on a Kubernetes cluster.
+
+### Deploying Postgres
+
+```yaml
+- include_role:
+    name: postgres
+```
+
+Variables that can be set are as follows:
+
+```yaml
+---
+postgres_namespace: "postgres"
+postgres_size: "8Gi"
+```

user-skel/ansible_collections/ace_box/ace_box/roles/postgres/defaults/main.yml

@@ -0,0 +1,19 @@
+# Copyright 2024 Dynatrace LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+postgres_chart_version: "16.0.1" # https://github.com/bitnami/charts/tree/main/bitnami/postgresql
+postgres_namespace: "postgres"
+postgres_size: "8Gi"
+

user-skel/ansible_collections/ace_box/ace_box/roles/postgres/tasks/main.yml

@@ -0,0 +1,34 @@
+# Copyright 2024 Dynatrace LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+
+- name: Add Bitnami Helm repository
+  kubernetes.core.helm_repository:
+    name: bitnami
+    repo_url: "https://charts.bitnami.com/bitnami"
+
+- name: Install PostgreSQL using Helm
+  kubernetes.core.helm:
+    name: postgres
+    chart_ref: bitnami/postgresql
+    version: "{{ postgres_chart_version }}"
+    release_namespace: "{{ postgres_namespace }}"
+    create_namespace: true
+    wait: true
+    wait_timeout: 10m
+    values:
+      persistence:
+        enabled: true
+        size: "{{ postgres_size }}"