On 6/29/23 07:14, Andrea Bolognani wrote:
For AppArmor 3.x we can use 'include if exists', which frees us
from having to create a dummy override. For AppArmor 2.x we keep
things as they are to avoid introducing regressions.

Signed-off-by: Andrea Bolognani <abolo...@redhat.com>
---
  src/security/apparmor/meson.build                 | 15 ++++++++++-----
  .../apparmor/usr.lib.libvirt.virt-aa-helper.in    |  5 +++++
  2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/src/security/apparmor/meson.build 
b/src/security/apparmor/meson.build
index 8bc2405f88..b9257c816d 100644
--- a/src/security/apparmor/meson.build
+++ b/src/security/apparmor/meson.build
@@ -77,8 +77,13 @@ install_data(
    install_dir: apparmor_dir / 'libvirt',
  )
-install_data(
-  'usr.lib.libvirt.virt-aa-helper.local',
-  install_dir: apparmor_dir / 'local',
-  rename: 'usr.lib.libvirt.virt-aa-helper',
-)
+if not conf.has('WITH_APPARMOR_3')
+  # We only install the empty local override for AppArmor 2.x. For
+  # AppArmor 3.x, upstream's preference is to avoid creating these
+  # files in order to limit the amount of filesystem clutter.
+  install_data(
+    'usr.lib.libvirt.virt-aa-helper.local',
+    install_dir: apparmor_dir / 'local',
+    rename: 'usr.lib.libvirt.virt-aa-helper',
+  )
+endif
diff --git a/src/security/apparmor/usr.lib.libvirt.virt-aa-helper.in 
b/src/security/apparmor/usr.lib.libvirt.virt-aa-helper.in
index ff1d46bebe..26ee20a17d 100644
--- a/src/security/apparmor/usr.lib.libvirt.virt-aa-helper.in
+++ b/src/security/apparmor/usr.lib.libvirt.virt-aa-helper.in
@@ -71,5 +71,10 @@ profile virt-aa-helper @libexecdir@/virt-aa-helper {
    /**.[iI][sS][oO] r,
    /**/disk{,.*} r,
+@BEGIN_APPARMOR_3@
+  include if exists <local/usr.lib.libvirt.virt-aa-helper>
+@END_APPARMOR_3@
+@BEGIN_APPARMOR_2@
    #include <local/usr.lib.libvirt.virt-aa-helper>
+@END_APPARMOR_2@
  }

The markers have the added benefit of reminding us to nuke this file when we remove 2.x support.

Regards,
Jim

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