T8445: add activation script to indicate first installed boot

Add script to leave hint of first installed boot (as, say, distinguished
from first live boot, or subsequent); this is useful as pre/post
conditions and self-modification of activation scripts.

1 files changed, 35 insertions, 0 deletions

diff --git a/src/activation-scripts/00-first-installed-boot.py b/src/activation-scripts/00-first-installed-boot.py
new file mode 100644
index 000000000..ca02c2642
--- /dev/null
+++ b/src/activation-scripts/00-first-installed-boot.py
@@ -0,0 +1,35 @@
+# Copyright (C) VyOS Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+
+from vyos.configtree import ConfigTree
+from vyos.system.image import is_live_boot
+from vyos.utils.activate import set_activation
+from vyos.utils.activate import set_first_installed_boot
+from vyos.utils.activate import is_first_installed_boot
+
+
+def pre_condition() -> bool:
+    return not is_live_boot()
+
+
+def activate(_config: ConfigTree) -> None:
+    pass
+
+
+def post_condition() -> None:
+    set_first_installed_boot()
+    if is_first_installed_boot():
+        set_activation(__file__, 'never')