Merge https://github.com/cisagov/skeleton-ansible-role-with-test-user into lineage/skeleton

Author: jsf9k

.github/workflows/build.yml

@@ -178,7 +178,7 @@ jobs:
     permissions:
       # actions/checkout needs this to fetch code
       contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-${{ startsWith(matrix.architecture, 'arm') && '24.04-arm' || 'latest' }}
     strategy:
       fail-fast: false
       matrix:
@@ -204,13 +204,10 @@ jobs:
         scenario:
           - default
     steps:
-      # With this task in place the GitHub runners run out of
-      # resources and crash.  See cisagov/skeleton-ansible-role#211
-      # for more details.
-      # - uses: GitHubSecurityLab/actions-permissions/monitor@v1
-      #   with:
-      #     # Uses the organization variable unless overridden
-      #     config: ${{ vars.ACTIONS_PERMISSIONS_CONFIG }}
+      - uses: GitHubSecurityLab/actions-permissions/monitor@v1
+        with:
+          # Uses the organization variable unless overridden
+          config: ${{ vars.ACTIONS_PERMISSIONS_CONFIG }}
       - id: harden-runner
         name: Harden the runner
         uses: step-security/harden-runner@v2
@@ -250,11 +247,46 @@ jobs:
           aws-region: ${{ env.AWS_DEFAULT_REGION }}
           role-to-assume: ${{ secrets.TEST_ROLE_TO_ASSUME }}
           role-duration-seconds: 3600
+      # Disabling the unix-chkpwd AppArmor profile is necessary when
+      # running Molecule tests against Fedora 40 and 41; otherwise,
+      # the privileged container cannot successfully run sudo and
+      # hence Ansible is unable to do anything.  See
+      # fedora-cloud/docker-brew-fedora#117 for more details.
+      #
+      # Purging firefox is currently necessary because the
+      # installation available on the GitHub runner instance provides
+      # two conflicting AppArmor profiles:
+      # /etc/apparmor.d/usr.bin.firefox and /etc/apparmor.d/firefox.
+      # This conflict causes the aa-disable /usr/sbin/unix_chkpwd
+      # command to fail.
+      #
+      # Purging passt is currently necessary because the installation
+      # available on the GitHub runner instance contains a wonky
+      # AppArmor file (/etc/apparmor.d/abstractions/passt) that causes
+      # the aa-disable command to fail.
+      #
+      # TODO: Remove the apt-get purge and systemctl reload commands
+      # when possible.  See cisagov/skeleton-ansible-role#215 for more
+      # details.
+      - name: Disable unix-chkpwd AppArmor profile
+        run: |
+          sudo apt-get purge firefox passt
+          sudo systemctl reload apparmor.service
+          sudo apt-get install apparmor-utils
+          sudo aa-disable /usr/sbin/unix_chkpwd
+        if: ${{ startsWith(matrix.platform, 'fedora') }}
       - name: Run molecule tests
         run: >-
           molecule test
           --platform-name ${{ matrix.platform }}-${{ matrix.architecture }}
           --scenario-name ${{ matrix.scenario }}
+      # TODO: Remove the apt-get install command when possible.  See
+      # cisagov/skeleton-ansible-role#215 for more details.
+      - name: Re-enable unix-chkpwd AppArmor profile
+        run: |
+          sudo aa-enforce /usr/sbin/unix_chkpwd
+          sudo apt-get install firefox passt
+        if: ${{ startsWith(matrix.platform, 'fedora') }}
       - name: Setup tmate debug session
         uses: mxschmitt/action-tmate@v3
         if: env.RUN_TMATE