add automatix to upgrade to debian bookworm

automatix/upgrade_debian_bookworm.yaml

@@ -0,0 +1,47 @@
+name: Upgrade to debian bullseye
+systems:
+    node: foonode
+
+always:
+    - has_zfs=python: NODES.node.has_bundle('zfs')
+    - is_buster=python: NODES.node.os_version[0] <= 10
+    - buster_with_zfs=python: "{has_zfs} and {is_buster}"
+
+pipeline:
+    - manual: "set icinga2 downtime: https://icinga.kunsmann.eu/monitoring/host/schedule-downtime?host={SYSTEMS.node}"
+
+    # apply first so we only see the upgrade changes later
+    - local: bw apply {SYSTEMS.node}
+    - manual: update debian version in node groups
+    - is_buster?local: "bw apply -o bundle:apt -s symlink:/usr/bin/python pkg_apt: -- {SYSTEMS.node}"
+
+    # double time!
+    - remote@node: DEBIAN_FRONTEND=noninteractive apt-get -y -q -o Dpkg::Options::=--force-confold dist-upgrade
+    - remote@node: DEBIAN_FRONTEND=noninteractive apt-get -y -q -o Dpkg::Options::=--force-confold dist-upgrade
+
+    # reboot into bullseye
+    - remote@node: systemctl reboot
+    - local: |
+        exit=1
+        while [[ $exit -ne 0 ]];
+        do
+            sleep 1
+            ssh {SYSTEMS.node} true
+            exit=$?
+        done
+
+    # fix zfs and reboot again
+    - buster_with_zfs?remote@node: zpool import tank -f
+    - buster_with_zfs?remote@node: zpool upgrade -a
+    - buster_with_zfs?remote@node: systemctl reboot
+    - buster_with_zfs?local: |
+        exit=1
+        while [[ $exit -ne 0 ]];
+        do
+            sleep 1
+            ssh {SYSTEMS.node} true
+            exit=$?
+        done
+
+    # final apply
+    - local: bw apply {SYSTEMS.node}