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SSH into your EC2 instances.

Project description

awssh

SSH boto3 utility for AWS

Installation

$ aws configure
$ pip install ssh-aws # or pip install --user ssh-aws

Note: The awssh utility is installed in $HOME/Library/Python/2.7/bin which may not be on PATH. Consider adding this directory to PATH.

Version update

$ echo y | pip uninstall ssh-aws
$ pip install --no-cache --user ssh-aws
$ awssh --version

Requirements

  • Python 2.7

Features

The awssh utility gives you a list of aws instances and preconfigures ssh with the proper key and user. You can filter by instance name. If it matches only one instance you will be logged into it. This utility also allows local and remote port forwarding for SSH tunneling (e.g. ssh -L 9000:imgur.com:80 user@<ip_address>). By default, ssh command is executed with the -A option, which enables forwarding the authentication agent connection. This is particularly useful when using a single access point such as a jump server. In addition, if an instance without an external IP is selected, the utility attempts to find a bastion server and ssh with the -t option (e.g. ssh -A ubuntu@<bastion> -t ssh <ip_address>).

Usage

usage: awsh [-h] [--region REGION] [--users USERS [USERS ...]]
                   [-i KEY_PATH] [-c COMMAND] [-r REMOTE_HOST]
                   [-p REMOTE_PORT] [-l LOCAL_PORT] [--keys KEYS]
                   [--timeout TIMEOUT] [--console-output] [--version]
                   [instance name key word]

SSH into AWS instances. The default user list assumes that your user is centos, ubuntu, or ec2-user.

positional arguments:
  filter                Optional instance name or key word as filter. If only one instance is found,
                        it will connect to it directly.

optional arguments:
  -h, --help            Show usage message and exit.
  --users USERS [USERS ...]
                        Users to try (centos, ubuntu, and ec2-user are defaults).
  --region REGION       AWS region (us-east-1 by default)..
  -i KEY_PATH, --key-path KEY_PATH
                        Specific key path, overrides, --keys
  -c COMMAND, --command COMMAND
                        Translates to ssh -C
  -r REMOTE_HOST, --remote-host REMOTE_HOST
                        Open a tunnel.
                        Equivalent to ssh -L <local-port>:<remote-host>:<remote-port> <selected-aws-host>
  -p REMOTE_PORT, --remote-port REMOTE_PORT
                        Port to use on the remote host.
  -l LOCAL_PORT, --local-port LOCAL_PORT
                        Port to use on the local host. Get overwritten by
                        remote port if not defined.
  --keys KEYS           Directory of the private keys (~/.ssh by default).
  --timeout TIMEOUT     SSH connection timeout.
  --console-output      Display the instance console out before logging in.
  --version             Returns awssh's version.

  Examples:
    "awssh --region us-east-2"
    "awssh --users user1 user2 --region us-east-2 --keys '~/.ssh' instance-name"
    "awssh instance-name --users user1 user2".

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