Add configs for a new kubernetes cluster on NixOS.

nix/kubernetes/roles/zfs/files/zfs_clone_recv.bash

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+# A zfs-send alias that creates a perfect clone with good defaults.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# -s if the stream is interrupted, save the partial stream. The stream can then be resumed by doing a zfs send -t token where token is the receive_resume_token prop on the dataset we received into.
+# -u Do not mount the filesystem we are receiving. We can always mount afterwards but this avoids issues with streams with mountpoints to places like /
+# Can optionally add -F to destroy the dataset in the recv location.
+exec zfs recv -s -u "${@}"
+
+# To delete an interrupted recv, run `zfs receive -A dataset`

nix/kubernetes/roles/zfs/files/zfs_clone_resume.bash

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+#
+# Resume a zfs send.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+function main {
+    local hst="$1"
+    local dst="$2"
+    local token
+    token=$(zfs get -H -o value receive_resume_token "$dst")
+    ssh "$hst" doas zfs send --verbose -t "$token" | doas zfs recv -s "$dst"
+
+}
+
+main "${@}"

nix/kubernetes/roles/zfs/files/zfs_clone_send.bash

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+#
+# A zfs-send alias that creates a perfect clone with good defaults.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+exec zfs send --compressed --replicate --large-block --embed --verbose --raw "${@}"