[pre-adoption-validation]Check hugepage args changes

The edpm_kernel_hugepages ansible var can be used independently from the
edpm_kernel_args var to pass huge page kernel config. So the kernel args
pre-adoption check is extended to consider this variable as well.

Implements: OSPRH-5714

Author: gibizer

roles/edpm_pre_adoption_validation/molecule/kernel-args-new-hugepages/converge.yml

@@ -0,0 +1,19 @@
+---
+- name: Converge
+  hosts: all
+  tasks:
+    - name: Converge
+      block:
+        - name: "Include role"
+          ansible.builtin.include_role:
+            name: osp.edpm.edpm_pre_adoption_validation
+
+        - name: "Check execution halted"
+          ansible.builtin.fail:
+            msg: "Execution should stop before this task"
+          register: should_not_run
+      rescue:
+        - name: Asset that role failed
+          ansible.builtin.assert:
+            that:
+              - should_not_run is not defined

roles/edpm_pre_adoption_validation/molecule/kernel-args-new-hugepages/molecule.yml

@@ -0,0 +1,44 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: podman
+platforms:
+- name: edpm-0
+  command: /sbin/init
+  dockerfile: ../../../../molecule/common/Containerfile.j2
+  image: ${EDPM_ANSIBLE_MOLECULE_IMAGE:-"ubi9/ubi-init"}
+  registry:
+    url: ${EDPM_ANSIBLE_MOLECULE_REGISTRY:-"registry.access.redhat.com"}
+  ulimits:
+  - host
+provisioner:
+  name: ansible
+  inventory:
+    hosts:
+      all:
+        vars:
+          edpm_pre_adoption_validation_hostname_enabled: false
+          # This is already configured in the test env so this alone would be
+          # OK
+          edpm_kernel_args: "console=ttyS0"
+          # but this means new kernel args will be generated that are not
+          # present in the env resulting in check failure
+          edpm_kernel_hugepages:
+            "2048":
+              count: "10"
+              default: true
+            "4096":
+              count: "10"
+        hosts:
+          edpm-0:
+            canonical_hostname: edpm-0.localdomain
+
+verifier:
+  name: ansible
+scenario:
+  test_sequence:
+     - destroy
+     - create
+     - prepare
+     - converge

roles/edpm_pre_adoption_validation/molecule/kernel-args-new-hugepages/prepare.yml

@@ -0,0 +1,26 @@
+---
+# Copyright 2023 Red Hat, Inc.
+# All Rights Reserved.
+#
+# 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
+#
+#     http://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: Prepare
+  hosts: all
+  roles:
+    - role: ../../../../molecule/common/test_deps  # noqa: role-name[path]
+    - role: osp.edpm.env_data
+- name: Setup DUT
+  hosts: all
+  pre_tasks: []
+  tasks: []

roles/edpm_pre_adoption_validation/tasks/kernel_args.yml

@@ -23,6 +23,13 @@
   ansible.builtin.set_fact:
     cmdline: "{{ cmdline_encoded['content'] | b64decode }}"
 
+- name: Calculate hugepages into edpm_kernel_args
+  # these tasks modify the edpm_kernel_args value based on the
+  # edpm_kernel_hugepages value so we can cleanly reuse them
+  ansible.builtin.include_role:
+    name: edpm_kernel
+    tasks_from: hugepages
+
 - name: Validate that kernel args do not change
   ansible.builtin.debug:
     msg: "Validating that '{{ edpm_kernel_args | default('') }}' in '{{ cmdline }}'"