openstack/ironic-python-agent
Code Issues Proposed changes

Merge "Replace SYSRQ commands"

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Jenkins 2016-03-21 18:51:50 +00:00 committed by Gerrit Code Review
commit 6b8ef9a854
2 changed files with 11 additions and 7 deletions
ironic_python_agent/shell
shutdown.sh
releasenotes/notes
remove-sysrq-2c2804930180f408.yaml

11
ironic_python_agent/shell/shutdown.sh

@ -14,16 +14,13 @@
# See the License for the specific language governing permissions and # See the License for the specific language governing permissions and
# limitations under the License. # limitations under the License.
# This script reboots by echoing into /proc/sysrq_trigger.
set -e set -e
# Make sure all functions of sysrq is enabled. # flush file system buffers
echo "1" > /proc/sys/kernel/sysrq sync
echo "s" > /proc/sysrq-trigger
if [[ $1 = '-h' ]]; then if [[ $1 = '-h' ]]; then
echo "o" > /proc/sysrq-trigger poweroff
elif [[ $1 = '-r' ]]; then elif [[ $1 = '-r' ]]; then
echo "b" > /proc/sysrq-trigger reboot
fi fi

7
releasenotes/notes/remove-sysrq-2c2804930180f408.yaml Normal file

@ -0,0 +1,7 @@
---
fixes:
- Stop using SYSRQ when performing the in-band reboot or power off
because it has a similar effect to a hardware reset button/power
switch and can be problematic on some hardware types. Instead,
reboot/power off the node via the "poweroff" and "reboot" commands
(soft power action).