dsingley

def emit(key, value, sep="\t")
  STDOUT.puts('' << key << sep << value)
end

def map(*options)
  options = [:split, "\t", 2] if options.empty?

  STDIN.each_line do |line|
    line.strip!
    key, value = line.send(*options)

dsingley

#!/bin/bash -e
set -u

MAX_LENGTH=14

text="$*"

length=$(echo -n "${text}" | wc -c)

if [ ${length} -gt ${MAX_LENGTH} ]; then

dsingley

class DammAlgorithm
  # http://en.wikipedia.org/wiki/Damm_algorithm

  TABLE = [ [0, 7, 4, 1, 6, 3, 5, 8, 9, 2],
            [3, 0, 2, 7, 1, 6, 8, 9, 4, 5],
            [1, 9, 0, 5, 2, 7, 6, 4, 3, 8],
            [7, 2, 6, 0, 3, 4, 9, 5, 8, 1],
            [5, 1, 8, 9, 0, 2, 7, 3, 6, 4],
            [9, 5, 7, 8, 4, 0, 2, 6, 1, 3],
            [8, 4, 1, 3, 5, 9, 0, 2, 7, 6],

dsingley

#!/bin/bash

ip_address="$(ip addr show $1 2>/dev/null | awk '/inet / {print $2}' | sed -e 's/\/.*//')"
if [ "${ip_address}" ]; then
  formatted_address="$(printf "%-10s%s\n" "$1:" ${ip_address})"
  sed -e "s/IP_ADDRESS/${formatted_address}/" /etc/issue.TEMPLATE > /etc/issue
else
  cp /etc/issue.DIST /etc/issue
fi

dsingley

#!/bin/bash

LOGGLY_TOKEN=''
TAG='ifup'
URL="https://logs-01.loggly.com/inputs/${LOGGLY_TOKEN}/tag/${TAG}"

interfaces='{'
for interface in $(ip addr | awk '/state UP/ {print $2}' | sed -e 's/://'); do
  ip_address=$(ip addr show ${interface} 2>/dev/null | awk '/inet / {print $2}' | sed -e 's/\/.*//')
  mac_address=$(ip addr show ${interface} 2>/dev/null | awk '/link\/ether/ {print $2}')

dsingley

FROM alpine:latest
ENV AWS_DEFAULT_REGION us-east-1
RUN apk add --update groff less python py-pip && pip install awscli