andrewgross

my_name_function() {

    # There aren't many use cases where we would really want to do things this
    # way instead of just using a global. Unless we are writing libraries in bash (the horror)
    # or have an extremely large script where we are not sure we won't be clobbering
    # variable names (equally terrifying)

    local  __assign_my_results_to_this_variable=$1

    local do_some_work=$(echo $ALL_MY_COMMANDS_NAMES | grep -v "bad commands")

andrewgross

# If for some insane reason we really want to inspect the bash callstack
# we can use the BASH_LINENO, BASH_SOURCE and FUNCNAME variables

my_function() {

    echo "My Function Name: ${FUNCNAME[0]}, I am at line ${BASH_LINENO[0]} of file ${BASH_SOURCE[0]}"

    # Unless we call this from deeper down, we will get `main`, line 0, and the same filename as before
    echo "My Parent Function: ${FUNCNAME[1]} is at line ${BASH_LINENO[1]} of file ${BASH_SOURCE[1]}"

andrewgross

#
# Cookbook Name:: yipit_data_volume
# Recipe:: default
#
# Copyright 2012, Yipit.com
#
# All rights reserved - Do Not Redistribute
#
require 'rubygems'
require 'chef/log'

andrewgross

# Company: Yipit.com
# Copyright 2012
# Author: Andrew Gross


actions :create, :check, :repair, :destroy

default_action :create

attribute :chunk, :kind_of => Integer, :default => 256

andrewgross

#
# Cookbook Name:: yipit_data_volume
# Recipe:: default
#
# Copyright 2012, Yipit.com
#
# All rights reserved - Do Not Redistribute
#

andrewgross

action :create do
  unless @current_resource.exists
    command = "yes | mdadm --create #{@new_resource.raid_device} --chunk=#{@new_resource.chunk} --level #{@new_resource.level} --raid-devices #{@new_resource.devices.length} #{@new_resource.devices.join(" ")}"
    # Check the mdadm raid registry
    # Existing raids will show as active or inactive
    # Take the name of the raid array
    find_current_raid_arrays_command = "cat /proc/mdstat | grep active | awk '{print $1}'"
    Chef::Log.debug("#{@new_resource} mdadm command: #{command}")
    attempts = 0
    previous_raid_arrays = shell_out!(find_current_raid_arrays_command).stdout.split()

andrewgross

git "update #{program}" do
  user node['username']
  group node['username']
  repository "git@github.com:Yipit/#{program}.git"
  reference branch
  destination "/var/www/#{program}"
  ssh_wrapper "/home/#{node['username']}/.ssh/#{program}_ssh_wrapper.sh"
  action :sync
  ignore_failure true
end

andrewgross

class Chef::Knife::Ec2ServerCreate < Chef::Knife
   def bootstrap_for_node(server, unknownarg)
     bootstrap = Chef::Knife::Bootstrap.new
     bootstrap.name_args = [vpc_mode? ? server.private_ip_address : server.dns_name ]
     bootstrap.config[:run_list] = config[:run_list]
     bootstrap.config[:ssh_user] = config[:ssh_user]
     bootstrap.config[:identity_file] = config[:identity_file]
     bootstrap.config[:chef_node_name] = config[:chef_node_name] || server.id
     bootstrap.config[:prerelease] = config[:prerelease]
     bootstrap.config[:bootstrap_version] = locate_config_value(:bootstrap_version)

andrewgross

[Fri, 14 Sep 2012 17:05:28 +0000] INFO: Processing gem_package[remote_syslog] action install (papertrail::default line 27)
[Fri, 14 Sep 2012 17:05:28 +0000] DEBUG: gem_package[remote_syslog] using gem from running ruby environment
[Fri, 14 Sep 2012 17:05:28 +0000] DEBUG: gem_package[remote_syslog] found installed gem remote_syslog version 1.6.5 matching remote_syslog (>= 0)
[Fri, 14 Sep 2012 17:05:28 +0000] DEBUG: gem_package[remote_syslog] is already installed - nothing to do
[Fri, 14 Sep 2012 17:05:28 +0000] INFO: Processing gem_package[remote_syslog] action upgrade (papertrail::default line 27)
[Fri, 14 Sep 2012 17:05:28 +0000] DEBUG: gem_package[remote_syslog] using gem from running ruby environment
[Fri, 14 Sep 2012 17:05:28 +0000] DEBUG: gem_package[remote_syslog] found installed gem remote_syslog version 1.6.5 matching remote_syslog (>= 0)
[Fri, 14 Sep 2012 17:05:28 +0000] DEBUG: gem_package[remote_syslog] no candidate version - nothing to do

andrewgross

#!/usr/bin/env python

import subprocess
import sys
import time
from boto.ec2.connection import EC2Connection

from chef import ChefAPI, Node

SSH_CONFIG_BLOCK = """