princebot

#!/usr/bin/env bash
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Actions:   Hop through the [redacted] NAT box to SSH into [redacted] servers.
# Globals:   None.
# Options:   --key, -k, -i PRIVATE_KEY
#                Use this key for authentication (default: standard SSH key
#                locations [see man page ssh (1)]
#            --debug, -d
#                Run in debugger mode: set shell options -x and -v, and run
#                ssh in verbose mode with -vvv

princebot

# Bash shell function that runs "docker inspect" and pipes the output through jq.
# Requires jq [https://stedolan.github.io/jq/]
#
# Usage: di CONTAINER|IMAGE

di() (
    error=1
    __obj=$1
    if [[ ! ${__obj} ]]; then
        echo "${FUNCNAME}(): error: missing docker object argument" >&2

princebot

# Bash function for updating all packages installed with either `pip` or
# `conda` in the current Python virtualenv or conda environment.

pyupdate() {
    # If we're in a conda environment, update all packages conda installed.
    which conda 2>/dev/null && conda update -y --all
    # After we're done with conda, if we have pip, update pip then update any
    # packages installed with pip.
    if which pip 2>/dev/null; then
        pip install -U pip

princebot

#!/usr/bin/env node

/* GNU utility `cat` as a JavaScript executable.
 *
 * This works mostly the same as `cat`, with one difference: an explicit
 * argument of '-' (specifying stdin) is processed _after_ all filename
 * arguments.
 *
 * USAGE: cat.js [<FILE> <FILE...> [-]]
*/

princebot

#!/usr/bin/env python
"""
Extract and print network addresses from a file.

This was written for Python 3.x because Python 2.x is a decade old, and every
time you use it, Baby Guido cries.

If you have an older python, download the Miniconda Python installer at
http://conda.pydata.org/miniconda.html, run it, and load a new shell.

princebot

#!/usr/bin/env python
"""
Open several browser tabs displaying information about an IP passed as a CLI arg.

(extremely quick, perversely dirty)

"""
from string import Template
import subprocess
import sys

princebot

// Package getpass reads passwords without echoing output.
//
// The current implementation is compatible with modern Windows and *nix systems
// that use cmd.exe, PowerShell, Bash, or Bourne shell environments.
package getpass

import (
	"fmt"
	"os"

princebot

# This reads a stream of random bytes from the system and drops input that isn’t
# a valid encoding for a letter or a number. It stops after 8 characters.
#
# Setting LC_CTYPE=C is important: Modern systems will (hopefully) be set to
# UTF-8, but that makes tr throw errors for illegal byte sequences. Usually, we
# want that kind of sane behavior — but here, we don’t.
LC_CTYPE=C tr -d -c '[:alnum:]' </dev/urandom | head -c 8

# This saves a 15-character alphanumeric string in a variable:
random=$(LC_CTYPE=C tr -d -c '[:alnum:]' </dev/urandom | head -c 15)

princebot

#!/usr/bin/env bash
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Name:     pre-commit
# Author:   prince@princebot.com
# Synopsis: Reject commits containing unencrypted Ansible Vault files.
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

set -e

vault_files=($(IFS=$'\n' find . -type f -name 'vault'))

princebot

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Reject commits to Ansible projects that contain unencrypted vault files.

I realized pretty quick that a simple shell script could so the same thing (see
https://gist.github.com/princebot/2bd84b3b344168db22ce1259241f4a88) — but I
finished this anyway for funsies.

Also for funsies, I wanted to see what static classes in Python might look like.