Merge branch 'feat/aa'

Improve go apparmor lib.

* aa: (62 commits)
  feat(aa): handle appending value to defined variables.
  chore(aa): cosmetic.
  fix: userspace prebuild test.
  chore: cleanup unit test.
  feat(aa): improve log conversion.
  feat(aa): move conversion function to its own file & add unit tests.
  fix: go linter issue & not defined variables.
  tests(aa): improve aa unit tests.
  tests(aa): improve rules unit tests.
  feat(aa): ensure the prebuild jobs are working.
  feat(aa): add more unit tests.
  chore(aa): cleanup.
  feat(aa): Move sort, merge and format methods to the rules interface.
  feat(aa): add the hat template.
  feat(aa): add the Kind struct to manage aa rules.
  feat(aa): cleanup rules methods.
  feat(aa): add function to resolve include preamble.
  feat(aa): updaqte mount flags order.
  feat(aa): update default tunable selection.
  feat(aa): parse apparmor preamble files.
  ...

tests/string.aa

@@ -1,4 +1,5 @@
-# Simple test profile for the AppArmorProfile.String() method
+# Simple test profile for the AppArmorProfileFile.String() method
+
 abi <abi/4.0>,
 
 alias /mnt/usr -> /usr,
@@ -18,13 +19,13 @@ profile foo @{exec_path} xattrs=(security.tagged=allowed) flags=(complain attach
   network inet stream,
   network inet6 stream,
 
-  mount fstype=fuse.portal options=(rw rbind) @{run}/user/@{uid}/  -> /,
+  mount fstype=fuse.portal options=(rw rbind) @{run}/user/@{uid}/ -> /,  # failed perms check
 
   umount @{run}/user/@{uid}/,
 
-  signal (receive) set=(term) peer=at-spi-bus-launcher,
+  signal receive set=term peer=at-spi-bus-launcher,
 
-  ptrace (read) peer=nautilus,
+  ptrace read peer=nautilus,
 
   unix (send receive) type=stream addr=@/tmp/.ICE-unix/1995 peer=(label=gnome-shell, addr=none),
 

tests/testdata/tunables/dir.d/aliases

@@ -0,0 +1,2 @@
+alias /usr/ -> /User/,
+alias /lib/ -> /Libraries/,

tests/testdata/tunables/dir.d/vars

@@ -0,0 +1,2 @@
+# variable declarations for inclusion
+@{FOO} = /foo /bar /baz /biff /lib /tmp

tests/testdata/tunables/global

@@ -0,0 +1,3 @@
+
+include <tunables/dir.d>
+