diff options
Diffstat (limited to 'vircmd')
| -rwxr-xr-x | vircmd | 161 |
1 files changed, 0 insertions, 161 deletions
@@ -1,161 +0,0 @@ -#!/bin/bash -#make running virsh commands on a cluster easier - -#################### -# show program usage -usage () -{ - cat >&2 <<EOF -Usage: vircmd [OPTION] ... <COMMAND> - options: - -x enable script debugging - -n don't include the TSM node (if any) - -w, --wait [timeout] for start/shutdown wait for desired state change - - commands: - start CLUSTERNAME - start cluster nodes - - destroy CLUSTERNAME - power off cluster nodes (may cause data loss) - - shutdown CLUSTERNAME - shutdown cluster nodes - - undefine CLUSTERNAME - remove cluster - - CLUSTERNAME can be a glob-style pattern that specifies cluster nodes -EOF - exit 1 -} - -############################ -# parse command line options -temp=$(getopt -n "$prog" -o "xnw::" -l help -l wait:: -- "$@") - -[ $? != 0 ] && usage - -eval set -- "$temp" - -no_tsm=0 -wait=false -timeout="" - -while true ; do - case "$1" in - -x) set -x; shift ;; - -n) no_tsm=1; shift ;; - -w|--wait) wait=true ; timeout="$2" ; shift 2 ;; - --) shift ; break ;; - -h|--help|*) usage ;; # Shouldn't happen, so this is reasonable. - esac -done - -if [ $# -lt 2 ]; then - echo "Usage: vircmd COMMAND CLUSTERNAME" - exit 1 -fi - -cmd="$1" -cluster="$2" -count=0 - -if $wait ; then - case "$cmd" in - start) desired_state="running" ;; - shutdown) desired_state="shut off" ;; - *) echo "waiting not supported with \"$cmd\"" ; echo ; usage ;; - esac -fi - -export VIRSH_DEFAULT_CONNECT_URI=qemu:///system - -get_nodes () -{ - for i in $domains ; do - case "$i" in - ($1) - # If we're not skipping the TSM node or this isn't the TSM node... - if [ "$no_tsm" = 0 -o "${i/tsm/}" = "$i" ] ; then - nodes="${nodes} ${i}" - fi - esac - done -} - -domains=$(virsh list --all | awk '{print $2}' | tail -n +3) -nodes="" - -# If the cluster name doesn't have a wildcard then we need to be inventive. -if [ "${cluster/[\[\]\?\*]/}" = "$cluster" ] ; then - get_nodes "${cluster}[a-z]*[0-9]" -else - get_nodes "$cluster" -fi - -[ -n "$nodes" ] || { - echo "No nodes in cluster $2" - exit 1 -} - -rc=0 - -for i in $nodes ; do - # We want to retry the command when we see an internal error. - for x in $(seq 1 5) ; do - out=$(virsh $cmd "$i" 2>&1) - ret=$? # Hard to avoid this since we always want to echo $out :-( - echo "$out" - if [ $ret -ne 0 ] ; then - case "$out" in - *internal\ error*) - echo "Retrying \"virsh $cmd $i\" due to internal error" - sleep 3 - continue - esac - fi - break - done - [ $ret = 0 ] || rc=$ret -done - -# Now comes the waiting... but we don't wait if there was an error. -if [ $rc -ne 0 ] || ! $wait ; then - exit $rc -fi - -count=0 -while : ; do - if [ -n "$timeout" ] && [ $count -ge "$timeout" ] ; then - echo "Timed out after ${timeout}s waiting for nodes to enter state \"${desired_state}\":" - echo - fmt='%-20s %s\n' - printf "$fmt" "Domain" "State" - printf "$fmt" "------" "-----" - for i in $nodes ; do - state=$(virsh dominfo "$i" | sed -nr -e 's@^State:[[:space:]]+@@p') - printf "$fmt" "$i" "$state" - done - exit 62 # ETIME - fi - - pat="^State:[[:space:]]+${desired_state}\$" - all_good=true - for i in $nodes ; do - # Often "vircmd dominfo" returns 1 and prints rubbish like this: - # error: operation failed: could not query memory balloon allocation - # so we take pains to avoid this cluttering the output... - if virsh_out=$(virsh dominfo "$i" 2>&1) ; then - if ! echo "$virsh_out" | grep -E -q "$pat" ; then - all_good=false - fi - fi - done - $all_good && exit 0 - - sleep 1 - count=$(($count + 1)) -done - -exit $rc |