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Diffstat (limited to '')
| -rw-r--r-- | lib/plugins/stonith/external/ssh.in | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/lib/plugins/stonith/external/ssh.in b/lib/plugins/stonith/external/ssh.in new file mode 100644 index 0000000..2a8eb73 --- /dev/null +++ b/lib/plugins/stonith/external/ssh.in @@ -0,0 +1,176 @@ +#!/bin/sh +# +# External STONITH module for ssh. +# +# Copyright (c) 2004 SUSE LINUX AG - Lars Marowsky-Bree <lmb@suse.de> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of version 2 of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# +# Further, this software is distributed without any warranty that it is +# free of the rightful claim of any third person regarding infringement +# or the like. Any license provided herein, whether implied or +# otherwise, applies only to this software file. Patent licenses, if +# any, provided herein do not apply to combinations of this program with +# other software, or any other product whatsoever. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +# + +SSH_COMMAND="@SSH@ -q -x -o PasswordAuthentication=no -o StrictHostKeyChecking=no -n -l root" +#SSH_COMMAND="@SSH@ -q -x -n -l root" + +REBOOT_COMMAND="echo 'sleep 2; @REBOOT@ @REBOOT_OPTIONS@' | SHELL=/bin/sh at now >/dev/null 2>&1" + +# Warning: If you select this poweroff command, it'll physically +# power-off the machine, and quite a number of systems won't be remotely +# revivable. +# TODO: Probably should touch a file on the server instead to just +# prevent heartbeat et al from being started after the reboot. +# POWEROFF_COMMAND="echo 'sleep 2; /sbin/poweroff -nf' | SHELL=/bin/sh at now >/dev/null 2>&1" +POWEROFF_COMMAND="echo 'sleep 2; @REBOOT@ @REBOOT_OPTIONS@' | SHELL=/bin/sh at now >/dev/null 2>&1" + +# Rewrite the hostlist to accept "," as a delimeter for hostnames too. +hostlist=`echo $hostlist | tr ',' ' '` + +is_host_up() { + for j in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 + do + if + ping -w1 -c1 "$1" >/dev/null 2>&1 + then + sleep 1 + else + return 1 + fi + done + return 0 +} + + +case $1 in +gethosts) + for h in $hostlist ; do + echo $h + done + exit 0 + ;; +on) + # Can't really be implemented because ssh cannot power on a system + # when it is powered off. + exit 1 + ;; +off) + # Shouldn't really be implemented because if ssh cannot power on a + # system, it shouldn't be allowed to power it off. + exit 1 + ;; +reset) + h_target=`echo $2 | tr A-Z a-z` + for h in $hostlist + do + h=`echo $h | tr A-Z a-z` + [ "$h" != "$h_target" ] && + continue + if + case ${livedangerously} in + [Yy]*) is_host_up $h;; + *) true;; + esac + then + $SSH_COMMAND "$2" "$REBOOT_COMMAND" + # Good thing this is only for testing... + if + is_host_up $h + then + exit 1 + else + exit 0 + fi + else + # well... Let's call it successful, after all this is only for testing... + exit 0 + fi + done + exit 1 + ;; +status) + if + [ -z "$hostlist" ] + then + exit 1 + fi + for h in $hostlist + do + if + ping -w1 -c1 "$h" 2>&1 | grep "unknown host" + then + exit 1 + fi + done + exit 0 + ;; +getconfignames) + echo "hostlist" + exit 0 + ;; +getinfo-devid) + echo "ssh STONITH device" + exit 0 + ;; +getinfo-devname) + echo "ssh STONITH external device" + exit 0 + ;; +getinfo-devdescr) + echo "ssh-based host reset" + echo "Fine for testing, but not suitable for production!" + echo "Only reboot action supported, no poweroff, and, surprisingly enough, no poweron." + exit 0 + ;; +getinfo-devurl) + echo "http://openssh.org" + exit 0 + ;; +getinfo-xml) + cat << SSHXML +<parameters> +<parameter name="hostlist" unique="1" required="1"> +<content type="string" /> +<shortdesc lang="en"> +Hostlist +</shortdesc> +<longdesc lang="en"> +The list of hosts that the STONITH device controls +</longdesc> +</parameter> + +<parameter name="livedangerously" unique="0" required="0"> +<content type="enum" /> +<shortdesc lang="en"> +Live Dangerously!! +</shortdesc> +<longdesc lang="en"> +Set to "yes" if you want to risk your system's integrity. +Of course, since this plugin isn't for production, using it +in production at all is a bad idea. On the other hand, +setting this parameter to yes makes it an even worse idea. +Viva la Vida Loca! +</longdesc> +</parameter> + +</parameters> +SSHXML + exit 0 + ;; +*) + exit 1 + ;; +esac |