tests: Add bootc end-to-end validation test

Add a knob to tests/tasks/install_and_check.yml to skip the role run, as
we don't want to do this during validation.

Skip the memory tuning checks for bootc validation, as running the
role during a container build disables the automatic tuning.

Author: martinpitt

tests/tasks/install_and_check.yml

@@ -6,6 +6,7 @@
       include_role:
         name: linux-system-roles.postgresql
         public: true
+      when: __run_role | d(true) | bool
 
     - name: Flush handlers
       meta: flush_handlers
@@ -53,6 +54,8 @@
       when:
         - __test_check_unix_socket | d(true)
         - __postgresql_is_booted | bool
+        # role ran in container, disabled tuning
+        - not (__bootc_validation | d(false))
 
     - name: Check - server tuning is used - effective cache size
       become: true
@@ -74,6 +77,8 @@
       when:
         - __test_check_unix_socket | d(true)
         - __postgresql_is_booted | bool
+        # role ran in container, disabled tuning
+        - not (__bootc_validation | d(false))
 
     - name: Check postgresql version matches postgresql_version
       command: postgres --version

tests/tests_bootc_e2e.yml

@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: MIT
+---
+- name: Bootc end-to-end test
+  hosts: all
+  tags:
+    - tests::bootc-e2e
+  gather_facts: false
+  tasks:
+    - name: Bootc image build preparation
+      when: ansible_connection | d("") == "buildah"
+      block:
+        - name: Run postgresql role
+          include_role:
+            name: linux-system-roles.postgresql
+
+        - name: Create QEMU deployment
+          delegate_to: localhost
+          command: "{{ lsr_scriptdir }}/bootc-buildah-qcow.sh {{ ansible_host }}"
+          changed_when: true
+
+    - name: Validation of deployed image
+      when: ansible_connection | d("") != "buildah"
+      block:
+        - name: Test default settings
+          include_tasks: tasks/install_and_check.yml
+          vars:
+            __run_role: false
+            __test_clean_instance: false
+            __postgresql_is_booted: true