add helper scripts, docs

[automated-distro-installer] / fai-kexec

diff --git a/fai-kexec b/fai-kexec
new file mode 100755 (executable)
index 0000000..5e10ac2
--- /dev/null
+++ b/fai-kexec
@@ -0,0 +1,26 @@
+#!/bin/bash
+# Copyright (C) 2016 Ian Kelling
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# kexec to fai tftp server that pxe would normally point to
+
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+if [[ $1 ]]; then
+    prefix="ssh root@$1"
+fi
+$prefix touch /tmp/keyscript-off
+$prefix pxe-kexec -n --ignore-whitelist -l fai-generated faiserver