From fd3ccb1d3ea53e5da96473558b6c2457ae8affa5 Mon Sep 17 00:00:00 2001
From: Esteban Carnevale <alfplayer@mailoo.org>
Date: Tue, 3 Sep 2013 16:20:57 -0300
Subject: Update profile releng

---
 parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd | 40 ++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd

(limited to 'parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd')

diff --git a/parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd b/parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd
new file mode 100644
index 0000000..1bb8cbb
--- /dev/null
+++ b/parabolaiso/initcpio/hooks/parabolaiso_pxe_nbd
@@ -0,0 +1,40 @@
+# vim: set ft=sh:
+
+run_hook() {
+    if [[ -n "${ip}" && -n "${parabolaiso_nbd_srv}" ]]; then
+
+        parabolaiso_nbd_srv=$(eval echo ${parabolaiso_nbd_srv})
+        [[ -z "${parabolaiso_nbd_name}" ]] && parabolaiso_nbd_name="parabolaiso"
+
+        mount_handler="parabolaiso_pxe_nbd_mount_handler"
+    fi
+}
+
+parabolaiso_pxe_nbd_mount_handler () {
+    newroot="${1}"
+
+    # Module autoloading like with loop devices does not work, doing manually...
+    modprobe nbd 2> /dev/null
+
+    msg ":: Waiting for boot device..."
+    while ! poll_device /dev/nbd0 30; do
+        echo "ERROR: boot device didn't show up after 30 seconds..."
+        echo "   Falling back to interactive prompt"
+        echo "   You can try to fix the problem manually, log out when you are finished"
+        launch_interactive_shell
+    done
+
+    msg ":: Setup NBD from ${parabolaiso_nbd_srv} at /dev/nbd0"
+    nbd-client ${parabolaiso_nbd_srv} -N ${parabolaiso_nbd_name} /dev/nbd0
+
+    if [[ "${copytoram}" != "n" ]]; then
+        copytoram="y"
+    fi
+
+    parabolaisodevice=/dev/nbd0
+
+    parabolaiso_mount_handler ${newroot}
+
+    msg ":: Disconnect NBD from ${parabolaiso_nbd_srv} at /dev/nbd0"
+    nbd-client -d /dev/nbd0
+}
-- 
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