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#!/bin/bash
# vim: expandtab:tabstop=4:shiftwidth=4
function usage() {
cat << EOF
Usage: opssh [OPTIONS] command [...]
Options:
--version show program's version number and exit
--help show this help message and exit
-l USER, --user=USER username (OPTIONAL)
-p PAR, --par=PAR max number of parallel threads (OPTIONAL)
--outdir=OUTDIR output directory for stdout files (OPTIONAL)
--errdir=ERRDIR output directory for stderr files (OPTIONAL)
-e ENV, --env ENV which environment to use
-t HOST_TYPE, --host-type HOST_TYPE
which host type to use
--list-host-types list all of the host types
--timeout=TIMEOUT timeout (secs) (0 = no timeout) per host (OPTIONAL)
-O OPTION, --option=OPTION
SSH option (OPTIONAL)
-v, --verbose turn on warning and diagnostic messages (OPTIONAL)
-A, --askpass Ask for a password (OPTIONAL)
-x ARGS, --extra-args=ARGS
Extra command-line arguments, with processing for
spaces, quotes, and backslashes
-X ARG, --extra-arg=ARG
Extra command-line argument
-i, --inline inline aggregated output and error for each server
--inline-stdout inline standard output for each server
-I, --send-input read from standard input and send as input to ssh
-P, --print print output as we get it
Example: opssh -t ex-srv -e stg -l irb2 --outdir /tmp/foo uptime
EOF
}
if [ $# -eq 0 ] || [ "$1" == "--help" ]
then
usage
exit 1
fi
# See if ohi is installed
if ! which ohi &>/dev/null ; then
echo "ERROR: can't find ohi (OpenShift Host Inventory) on your system, please either install the openshift-ansible-bin package, or add openshift-ansible/bin to your path."
exit 10
fi
PAR=200
USER=root
TIMEOUT=0
ARGS=()
ENV=""
HOST_TYPE=""
while [ $# -gt 0 ] ; do
case $1 in
-t|--host-type)
shift # get past the option
HOST_TYPE=$1
shift # get past the value of the option
;;
-e)
shift # get past the option
ENV=$1
shift # get past the value of the option
;;
--timeout)
shift # get past the option
TIMEOUT=$1
shift # get past the value of the option
;;
-p|--par)
shift # get past the option
PAR=$1
shift # get past the value of the option
;;
-l|--user)
shift # get past the option
USER=$1
shift # get past the value of the option
;;
--list-host-types)
ohi --list-host-types
exit 0
;;
-h|--hosts|-H|--host|-o)
echo "ERROR: unknown option $1"
exit 20
;;
*)
args+=("$1")
shift
;;
esac
done
if [ -z "$ENV" ]
then
echo
echo "-e is a required paramemeter"
echo
exit 10
fi
if [ -z "$HOST_TYPE" ]
then
echo
echo "-t is a required paramemeter"
echo
exit 15
fi
# See if the ohi options are valid
HOSTS="$(ohi -t "$HOST_TYPE" -e "$ENV" 2>/dev/null)"
ECODE=$?
if [ $ECODE -ne 0 ] ; then
echo
echo "ERROR: ohi failed with exit code $ECODE"
echo
echo "This is usually caused by a bad value passed for host-type or environment."
echo
exit 25
fi
exec pssh -t $TIMEOUT -p $PAR -l $USER -h <(echo "$HOSTS") "${args[@]}"
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