Support Ansible prepare step in image mode

tests/prepare/bootc-ansible/data/.fmf/version

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+1

tests/prepare/bootc-ansible/data/plans.fmf

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+discover:
+    how: fmf
+execute:
+    how: tmt
+
+/centos-stream-10/prepare-ansible:
+    summary: "Test prepare/ansible on bootc guest - install tree package"
+    provision:
+        how: virtual
+        image: https://artifacts.dev.testing-farm.io/images/CentOS-Stream-10-image-mode-x86_64.qcow2
+    prepare:
+        how: ansible
+        playbook: playbook.yml

tests/prepare/bootc-ansible/data/playbook.yml

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+---
+- name: Install tree package
+  hosts: all
+  become: true
+  tasks:
+    - name: Install tree
+      ansible.builtin.dnf:
+        name: tree
+        state: present

tests/prepare/bootc-ansible/data/test.fmf

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+summary: Check that tree package was installed via prepare/ansible
+description: |
+    Verify that the tree command is available after prepare/ansible
+    executed a playbook via the podman connection plugin on the bootc
+    guest container, committed the result, and rebooted.
+test: |
+    # Verify tree is installed and working
+    tree --version
+    # Also verify the booted image shows we're running a modified image
+    bootc status --booted --format humanreadable

tests/prepare/bootc-ansible/main.fmf

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+summary: Test prepare/ansible step on bootc guests
+description: |
+    Verify that prepare/ansible playbooks are executed on bootc guests
+    using the podman connection plugin targeting a container started
+    from the current bootc image. Changes are committed, switched via
+    bootc, and applied after reboot.
+link:
+  - verifies: https://github.com/teemtee/tmt/issues/4511
+tag+:
+  - provision-only
+  - provision-virtual
+require:
+  - tmt+provision-virtual
+duration: 2h

tests/prepare/bootc-ansible/test.sh

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+#!/bin/bash
+. /usr/share/beakerlib/beakerlib.sh || exit 1
+
+rlJournalStart
+    rlPhaseStartSetup
+        rlRun "pushd data"
+        rlRun "run=$(mktemp -d --tmpdir=/var/tmp/tmt)" 0 "Create run directory"
+    rlPhaseEnd
+
+    # Test prepare/ansible on bootc guest - should use podman connection plugin
+    rlPhaseStartTest "Prepare/ansible on bootc guest - install tree package"
+        rlRun -s "tmt -dddvvv run --scratch -i $run plan --name /plans/centos-stream-10/prepare-ansible"
+
+        # Verify ansible-playbook was invoked with podman connection
+        rlAssertGrep "ansible-playbook" $rlRun_LOG
+        rlAssertGrep "\-c containers.podman.podman" $rlRun_LOG
+
+        # Verify the container was committed
+        rlAssertGrep "podman commit" $rlRun_LOG
+
+        # Verify bootc switch was called
+        rlAssertGrep "switching to new image" $rlRun_LOG
+
+        # Verify reboot happened
+        rlAssertGrep "rebooting to apply new image" $rlRun_LOG
+
+        # Verify tree --version ran successfully in the test
+        rlAssertGrep "tree v" $rlRun_LOG
+    rlPhaseEnd
+
+    rlPhaseStartCleanup
+        rlRun "rm -rf $run" 0 "Remove run directory"
+        rlRun "popd"
+    rlPhaseEnd
+rlJournalEnd