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GitHub - square/gssh: simple command line to utility to run commands on multiple hosts in parallel

gssh

simple command line program to run commands on multiple hosts in parallel.

Usage

echo host1 > /tmp/hosts
echo host2 >> /tmp/hosts
gssh -f /tmp/hosts uname -a

#host1:stdout:Linux host1 2.6.32-431.11.2.el6.x86_64 #1 SMP Tue Mar 25 19:59:55 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
#host2:stdout:Linux host2 2.6.32-431.11.2.el6.x86_64 #1 SMP Tue Mar 25 19:59:55 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

gssh -r host1..2 uname -a

Overriding ssh options

Example:

gssh -f file -- -o ConnectTimeout=30 -o BatchMode=yes id

gssh supports streaming output. Useful for tailing logs across multiple machines etc

gssh -f file -- tail -F /var/log/secure | grep -i Accepted

Installation

  1. Install go
  2. go get -u -v github.com/square/gssh

Development

  • We use godep for vendoring and dependency management.
    • godep restore # restore to last known good set
  • Please run gofmt and golint before submitting PRs