ssh-aws 3.0.2

SSH into your EC2 instances.

awssh

awssh uses boto3 to list your AWS instances and easily ssh, run commands, create tunnels, and ProxyJump based on 'Key Name'. It supports aws-cli --profile and --region options, and environment variables (AWS_DEFAULT_REGION, AWS_DEFAULT_PROFILE, etc.) to specify configuration options and credentials.

➜  ~ awssh
Querying AWS for EC2 instances in default region...

     Name           Instance ID   Public IP       Private IP       Zone          Key Name
 0 - JumpHost-1     i-06755dff7   3.13.18.215     10.120.1.119     us-east-2a    project-100715
 1 - WinStack       i-088fbe001   None            10.120.1.40      us-east-2a    project-100715
 2 - JumpHost-2     i-00498e224   48.14.28.186    10.120.0.8       us-east-2a    project-101018
 3 - PCoIP          i-0b79c1a8f   None            10.120.1.46      us-east-2a    project-101018
 4 - Dyna-dyna      i-03ed2e9df   None            10.120.1.7       us-east-2a    project-101018
 5 - ECS Instance   i-01b2877c1   None            10.120.1.55      us-east-2a    project-101018
 6 - MySQL-PROD     i-01b2877c1   None            10.120.1.55      us-east-2a    project-100715
 7 - codeCommit     i-06755dff7   None            10.120.1.119     us-east-2a    project-100715

Enter server number: 7

Connecting to codeCommit via JumpHost-1:

[centos@code-commit ~]$

Installation

First, install the aws-cli and boto3 libraries:

pip3 install awscli --upgrade --user
pip3 install boto3

Next, set up aws credentials, default profile, and default regions:

aws configure

Note: configure your AWS Profiles to be able to use the --profile option and the AWS_DEFAULT_PROFILE environment variable.

Install the awssh utility:

pip3 install ssh-aws --user  # or pip3 install ssh-aws

Finally, depending on your Python version, make sure that $HOME/Library/Python/<version>/bin is part of PATH.

echo $PATH

Note: the awssh utility is installed in $HOME/Library/Python/<version>/bin which may not be on your PATH.

Version update

echo y | pip3 uninstall ssh-aws
pip3 install awscli --upgrade --user
awssh --version

Requirements

• Python
• boto3
• aws-cli
• OpenSSH 7.3

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. If an instance without an external IP is selected, the utility attempts to find its jump server and ssh with the ProxyJump configuration directive (e.g. ssh -A -J user@<jump.host> user@<target.host>). Agent forwarding should be used with caution. awssh also allows local and remote port forwarding for ssh tunneling (e.g. ssh -L 9000:imgur.com:80 user@<ip_address>).

Usage

usage: awssh [-h] [--users USERS [USERS ...]] [--profile PROFILE]
             [--region REGION] [-i KEY_PATH] [-c COMMAND]
             [-r REMOTE_HOST] [-p REMOTE_PORT] [-l LOCAL_PORT]
             [--keys KEYS] [--timeout TIMEOUT] [--console-output]
             [--version] [--verbose]
             [filter]

SSH into AWS instances. "awssh --profile prod-acc-2 --users fduran --region
us-east-2 instance-name". The default user list is centos, ubuntu, and
ec2-user. "awssh --profile prod-acc-2" will attempt ssh with default users.
Due to the nature of nargs, "awssh --users user1 user2 instance-name" will not
be parsed properly; instead try "awssh instance-name --users user1 user2". If
available, a "JumpHost" will be automatically chosen when the instance
selected has no external IP. You can also explicitly direct the JumpHost by
providing two selections from the list, i.e. Enter server number: <jump>
<target>).

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

optional arguments:
  -h, --help            show this help message and exit
  --users USERS [USERS ...]
                        Users to try (centos, ubuntu, and ec2-user are
                        defaults).
  --profile PROFILE     Use a specific profile from your credentials file.
  --region REGION       AWS region (User default if none is provided).
  -i KEY_PATH, --key-path KEY_PATH
                        Specific key path, overrides, --keys
  -c COMMAND, --command COMMAND
                        Translates to ssh -t <COMMAND>
  -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 (default is 5432).
  -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, -o  Display the instance console out before logging in.
  --version, -v         Returns awssh's version.
  --verbose, -V         Verbose, prints instance details.


  Examples:
    awssh
    awssh --profile prod-acc-2
    awssh --users fduran --profile prod-acc-2 --region us-east-2 -c top
    awssh --users user1 user2 --region us-east-2 --keys '~/.ssh' instance-name
    awssh --users user1 user2 -c 'df -h' --verbose