cssh & cscp: ssh and scp wrappers to connect to dev servers

The scripts read your .ssh/config to get the password used to connect to a server. They additionally read your ssh keys from the same file.

Normally, for passwordless ssh you would have the following in your .ssh/config file:

Host server
  Hostname server.domain.com
  User ec2-user
  IdentityFile ~/.ssh/aws-keys/server.domain.com.pem

And you would connect with ssh server.

However, lets say, you are using QA/Development servers and setting up a host entry takes a lot of time. You could do:

# DefaultIdentityFile ~/.ssh/aws-keys/dev.key.pem
# DefaultIdentityFile ~/.ssh/aws-keys/qa.key.pem

And connect using the IP:

cssh ec2-user@12.34.56.78 --key 0

The script will read all the available keys and use the first one (index 0).

For local servers, you might not have an ssh key setup but a default password:

Host qa1 # qaPassword
  Hostname qa1.domain.com
  User root

Host * # devPassword
    User root

The script can be run as:

cssh qa1

And it will automatically read the password from the .ssh/config file entry. Additionally, for every other server, it will try to use the devPassword password.

License

This file is part of cssh.

Copyright © 2016-2018 David Gamba Rios

This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.