Easily SSH to Amazon AWS EC2 instances.
How often do you log into your AWS console to find the IP address or domain name that points to the instance you want to connect to? AWS SSH lets you specify simple or advanced filters to let you connect to that instance quickly. If multiple instances match you can review all the tags associated with the instances, and pick which one to connect to.
Make sure you have the required modules, and you should be good to go:
sudo pip install configargparse boto tabulate
The first thing you need to do is configure boto, you can do this by adding the following to ~/.boto:
[Credentials]
aws_access_key_id = <your_access_key_here>
aws_secret_access_key = <your_secret_key_here>
If you want to SSH as someone other than your current user, you can pass -u, --user, set the AWS_SSH_USER environment variable, or you can add the following to ~/.aws_ssh:
user = bob_barker
To speed up finding instances, you may choose to skip checking certain regions. You can pass -s, --skip-regions, set the AWS_SSH_SKIP_REGIONS environment variable, or you can add the following to ~/.aws_ssh:
skip-regions = [cn-north-1,us-gov-west-1]
If you want to connect to the private IP address of an instance, you can pass -p, --private-ip-address, set the AWS_SSH_PRIVATE_IP_ADDRESS environment varibale, or you can add the followting to ~/.aws_ssh:
private-ip-address
usage: aws_ssh.py [-h] [-a FILTERS] -u SSH_USER [search]
[jjshoe@desktop aws_ssh (master %)] ./aws_ssh.py web
+-----+----------------+----------------+-----------------+
| # | IP Address | Name | environmentName |
+=====+================+================+=================+
| 1 | 127.0.0.1 | prod_web_01 | prod |
+-----+----------------+----------------+-----------------+
| 2 | 127.0.0.2 | prod_web_02 | prod |
+-----+----------------+----------------+-----------------+
Enter the number of the instance to connect to: 1
Connecting to jjshoe@127.0.0.1
Last login: Mon Mar 23 17:11:46 2015 from 127.0.0.3
jjshoe@prod_web_01:~$
#####Advanced:
[jjshoe@desktop aws_ssh (master *)]$ ./aws_ssh.py -a tag:environmentName=prod -a tag:serverRole=www
+-----+------------+--------+-----------------+------------+
| # | IP Address | Name | environmentName | serverRole |
+=====+============+========+=================+============+
| 1 | 127.0.0.1 | www_01 | prod | www |
+-----+------------+--------+-----------------+------------+
| 2 | 127.0.0.2 | www_02 | prod | www |
+-----+------------+--------+-----------------+------------+
Enter the number of the instance to connect to: 2
Connecting to jjshoe@127.0.0.2
Last login: Mon Mar 23 17:14:18 2015 from 127.0.0.3
jjshoe@www_01:~$
You can specify as many advanced filters as you want by chaining -a over and over again. To denote the difference between a key, and a value, use an equal (=) sign. To see a list of valid advanced filters, search for Supported Filters on the following website:
http://docs.aws.amazon.com/AWSEC2/latest/CommandLineReference/ApiReference-cmd-DescribeInstances.html