jhorman

# Reject traffic out to a specific IP
iptables -o eth0 -I OUTPUT -d 10.207.47.148 -j REJECT

jhorman

#!/bin/bash

launchctl setenv KEY value

jhorman

def cache(lifetime=None, cache_size=0):
  """ Caching decorator. """
  def attach_caching(method):
    method._cache = pylru.lrucache(cache_size) if cache_size else {}
    method._cache_updated = {}

    @functools.wraps(method)
    def wrapper(*args, **kw):
      # frozenset is used to ensure hashability
      key = args, frozenset(kw.iteritems()) if kw else args

jhorman

def time_method(stat_name):
  """
  Attaches a timeout to the deferred returned by the wrapped function.
  After timeout seconds the deferred is canceled and an exception raised.
  """
  def attach_timing(method):
    @functools.wraps(method)
    def wrapper(self, *args, **kwargs):
      start = time()

jhorman

def wrap_exception(handle, error_type, error_message, log=None):
  def attach_check(method):
    @functools.wraps(method)
    def wrapper(self, *args, **kwargs):
        d = method(self, *args, **kwargs)
        def on_error(failure):
          failure.trap(handle)
          logger = logging if not log else logging.getLogger(log)
          logger.error("%s, %s" % (error_message, failure.getErrorMessage()))
          raise error_type(error_message)

jhorman

def sleep(secs):
  d = Deferred()
  reactor.callLater(secs, d.callback, None)
  return d

jhorman

def timeout(seconds=5, error_type=None, error_message=None):
  """
  Attaches a timeout to the deferred returned by the wrapped function.
  After timeout seconds the deferred is canceled and an exception raised.
  """
  def attach_timeout(method):
    @functools.wraps(method)
    def wrapper(self, *args, **kwargs):
        d = method(self, *args, **kwargs)
        def on_timeout():

jhorman

Initialize and sync from github

git init
git remote add origin git@github.com:something/something.git
git pull origin master

Make sure that git push pushes tags

git config --add remote.origin.push 'refs/tags/:refs/tags/'

jhorman

#!/bin/sh

liquibase --driver=com.mysql.jdbc.Driver --url=jdbc:mysql://localhost/db --username=root --changeLogFile=changelog.xml $@