| 1 | #! /bin/sh |
| 2 | set -e |
| 3 | |
| 4 | ## Parse the command line. |
| 5 | case "$#" in |
| 6 | 0 | 1) |
| 7 | echo >&2 "Usage: $0 COMMAND SLAVE|:SET ..." |
| 8 | exit 1 |
| 9 | ;; |
| 10 | esac |
| 11 | command=$1; shift |
| 12 | |
| 13 | ## Expand slaves into a big list. |
| 14 | slaves=$(expand-list /etc/slaves "$@") |
| 15 | |
| 16 | ## Now do the stuff. |
| 17 | for i in $slaves; do |
| 18 | { { { echo "starting..." |
| 19 | set +e; ssh "$i" "$command" 3>&-; rc=$?; set -e |
| 20 | echo "done (rc = $rc)"; } >&3; } 2>&1 | |
| 21 | while IFS= read -r line; do printf "!!! %s\n" "$line"; done; } 3>&1 | |
| 22 | while IFS= read -r line; do printf "%s: %s\n" "$i" "$line"; done & |
| 23 | done |
| 24 | wait |