xonsh_shells

Various xonsh modules/scripts to make life more interesting.

CIDR

Simple little tool for deriving network address information from CIDR ranges.

cidr 10.100.4.0/22
         CIDR range: 10.100.4.0/22
                    Netmask: 255.255.252.0
            Network address: 10.100.4.0
          Broadcast address: 10.100.7.255
         First host address: 10.100.4.1
          Last host address: 10.100.7.254
        Available addresses: 1022

shared_cache

Provides an alias that can be used to share environment variables between xonsh instances.

xontrib load shared_cache
# put something like this in your .xonshrc
share PATH

# Now if you change $PATH in one shell, it'll be changed in every shell
(after a hitting return there).

aws_role

This one is very useful if you have multiple AWS roles (and maybe multiple chef servers). The below command will switch you to use either an existing AWS session token for the named AWS profile, or get you a new one (possibly asking for an MFA token code). While you're at it, the knife command will use the knife-$PROFILE.rb file (much as if you'd done a knife block $PROFILE.

contrib load aws_role
def _role1():
    aws_role default arn:aws:iam::xxxxxxxxxx:role/Read-Only-Role
def _role2():
    aws_role default arn:aws:iam::xxxxxxxxxx:role/Basic-User-Role
def _role3():
    aws_role default arn:aws:iam::xxxxxxxxxx:role/Shiny-Admin-Role
aliases['safe'] = _role1
aliases['read_write'] = _role2
aliases['FEEL_THE_POWER'] = _role3

If you provide an invalid role, it'll list the available roles for you.