Support omitting datasets from automatic snapshotting.

ansible/environments/colo/host_vars/mrmanager

@@ -1,8 +1,10 @@
 os_flavor: "freebsd"
 zfs_snapshot_datasets:
-  - zroot/freebsd/main/be
-  - zdata/vm
-  - zdata/k8spersistent
+  - path: zroot/freebsd/main/be
+  - path: zdata/vm
+  - path: zdata/vm/poudriere/disk0
+    include: false
+  - path: zdata/k8spersistent
 sshd_enabled: true
 loader_conf: "mrmanager_loader.conf"
 rc_conf: "mrmanager_rc.conf"

ansible/environments/home/host_vars/homeserver

@@ -1,6 +1,6 @@
 os_flavor: "freebsd"
 zfs_snapshot_datasets:
-  - zroot/freebsd/computer/be/default
+  - path: zroot/freebsd/computer/be/default
 sshd_enabled: true
 sshd_conf: "sshd_config"
 pf_config: "homeserver_pf.conf"

ansible/environments/laptop/host_vars/odofreebsd

@@ -1,7 +1,7 @@
 os_flavor: "freebsd"
 custom_repo: 13amd64-default-framework
 zfs_snapshot_datasets:
-  - zroot/freebsd/release/be/default
+  - path: zroot/freebsd/release/be/default
 sshd_enabled: true
 sshd_conf: "sshd_config"
 pf_config: "odofreebsd_pf.conf"

ansible/environments/laptop/host_vars/odolinux

@@ -18,8 +18,8 @@ users:
     gitconfig: "gitconfig_home"
 zfs_snapshot_datasets:
   # - zroot/linux/archmain/home
-  - zroot/linux/archmain/be
-  - zroot/data/bridge/family_disks
+  - path: zroot/linux/archmain/be
+  - path: zroot/data/bridge/family_disks
 install_graphics: true
 graphics_driver: "intel"
 build_user:

ansible/roles/zrepl/templates/zrepl.yml.j2

@@ -5,7 +5,7 @@ jobs:
   type: snap
   filesystems: {
 {% for dataset in zfs_snapshot_datasets %}
-      "{{dataset}}<": true,
+      "{{dataset.path}}<": {{dataset.include | default(true) | lower}},
 {% endfor %}
   }
   # create snapshots with prefix `zrepl_` every 15 minutes