From 6d1f03bda3f9ff0f2dee9bf7563626efd58eee2b Mon Sep 17 00:00:00 2001
From: Ghe Rivero <ghe.rivero@hp.com>
Date: Mon, 16 Sep 2013 22:01:08 -0700
Subject: [PATCH] Add deploy-kexec element

Boots into the new image kernel once baremetal-deploy-helper signals
it is finished using kexec utilities.

Change-Id: I705787cc394ef14200d80404ee497762ab79b452
---
 elements/deploy-kexec/README.md                  |  3 +++
 elements/deploy-kexec/binary-deps.d/deploy-kexec |  1 +
 elements/deploy-kexec/element-deps               |  1 +
 elements/deploy-kexec/init.d/zdeploy-kexec       | 10 ++++++++++
 elements/deploy-kexec/install.d/53-install-kexec |  2 ++
 5 files changed, 17 insertions(+)
 create mode 100644 elements/deploy-kexec/README.md
 create mode 100644 elements/deploy-kexec/binary-deps.d/deploy-kexec
 create mode 100644 elements/deploy-kexec/element-deps
 create mode 100644 elements/deploy-kexec/init.d/zdeploy-kexec
 create mode 100755 elements/deploy-kexec/install.d/53-install-kexec

diff --git a/elements/deploy-kexec/README.md b/elements/deploy-kexec/README.md
new file mode 100644
index 00000000..af3f9423
--- /dev/null
+++ b/elements/deploy-kexec/README.md
@@ -0,0 +1,3 @@
+Boots into the new image once baremetal-deploy-helper signals
+it is finished by downloading the kernel and ramdisk via tftp,
+and using the kexec utilities.
\ No newline at end of file
diff --git a/elements/deploy-kexec/binary-deps.d/deploy-kexec b/elements/deploy-kexec/binary-deps.d/deploy-kexec
new file mode 100644
index 00000000..0526f546
--- /dev/null
+++ b/elements/deploy-kexec/binary-deps.d/deploy-kexec
@@ -0,0 +1 @@
+kexec
diff --git a/elements/deploy-kexec/element-deps b/elements/deploy-kexec/element-deps
new file mode 100644
index 00000000..8541464a
--- /dev/null
+++ b/elements/deploy-kexec/element-deps
@@ -0,0 +1 @@
+deploy
diff --git a/elements/deploy-kexec/init.d/zdeploy-kexec b/elements/deploy-kexec/init.d/zdeploy-kexec
new file mode 100644
index 00000000..e456f7d7
--- /dev/null
+++ b/elements/deploy-kexec/init.d/zdeploy-kexec
@@ -0,0 +1,10 @@
+TFTP_MAC_ADDRESS="01-"`echo $BOOT_MAC_ADDRESS | sed 's/:/-/g' | tr "A-Z" "a-z"`
+tftp -r /tftpboot/pxelinux.cfg/${TFTP_MAC_ADDRESS} -g ${BOOT_SERVER}
+APPEND=$(tail -n1 ${TFTP_MAC_ADDRESS} | cut -f3- -d" ")
+
+KERNEL=$(get_kernel_parameter BOOT_IMAGE | sed 's/deploy_//g')
+RAMDISK=$(echo $KERNEL | sed 's/kernel/ramdisk/')
+
+tftp -r ${KERNEL} -g ${BOOT_SERVER}
+tftp -r ${RAMDISK} -g ${BOOT_SERVER}
+kexec -l kernel --append="${APPEND}" --initrd=ramdisk && kexec -e
diff --git a/elements/deploy-kexec/install.d/53-install-kexec b/elements/deploy-kexec/install.d/53-install-kexec
new file mode 100755
index 00000000..19e430e5
--- /dev/null
+++ b/elements/deploy-kexec/install.d/53-install-kexec
@@ -0,0 +1,2 @@
+#!/bin/sh
+install-packages kexec-tools