serg-kovalev

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serg-kovalev

#!/usr/bin/env bash
# usage
# rvm_env_wrapper /path/to/project some_ruby_file.rb
# rvm_env_wrapper /path/to/project some_comand arg1 arg2 arg3 etc
# OR
# rvm_env_wrapper --use ruby_version@gemset_name some_comand_or_file
# Permissions:
# sudo chown user:group rvm_env_wrapper
# sudo chmod 774 rvm_env_wrapper
#

serg-kovalev

#!/usr/bin/env bash
# the first argument should be a path to pid file
if [[ -f "$1" ]] ; then
  if [ $(ps -p $(cat $1) | wc -l) -gt 1 ] ; then
    # process exists - do nothing
    #echo "OK"
    exit 0
  else
    #echo "will do rm $1"
    rm $1

serg-kovalev

sudo add-apt-repository ppa:pitti/postgresql
sudo apt-get update
# stop apache server if you need
# sudo /etc/init.d/apache2 stop
sudo -i -u postgres
pg_dumpall > dumpall_$(date +"%Y%m%d").pgdump
exit
sudo mv /var/lib/postgresql/dumpall_$(date +"%Y%m%d").pgdump ~/
sudo cp -r /etc/postgresql/8.4 /etc/postgresql/old
sudo apt-get install postgresql-9.1 -y

serg-kovalev

# Finds bloating passengers and try to kill them gracefully.
# @example:
#   PassengerMonitor.run
require 'logger'

class PassengerMonitor
  # How much memory (MB) single Passenger instance can use
  DEFAULT_MEMORY_LIMIT = 450
  # Log file name
  DEFAULT_LOG_FILE = 'passenger_monitoring.log'

serg-kovalev

#!/usr/bin/env ruby
require File.expand_path(File.join(File.dirname(__FILE__), '..', 'lib', 'passenger_monitor'))
# Set logger to log into Rails project /log directory and start monitoring
PassengerMonitor.run(
    :log_file => File.join(File.dirname(__FILE__), '..', 'log', 'passenger_monitor.log'),
    :memory_limit => 400, # this is in MB
    :wait_time => 10, # this in seconds (timeout before attempts)
    :attempts => 5 # number of attempts
)

serg-kovalev

# FactoryGirl3ForYouAndMe
# The new syntax: http://robots.thoughtbot.com/post/19412394597/factory-girl-hits-3-0
#
# Where to learn sed?
# http://www.grymoire.com/Unix/Sed.html#uh-6
# http://www.markhneedham.com/blog/2011/01/11/sed-across-multiple-files/
#
# What needs to change?
find . -type f -name "*.rb" -print0 | xargs -0 grep "Factory.create"
find . -type f -name "*.rb" -print0 | xargs -0 grep "Factory.build"

serg-kovalev

#!/bin/bash
CURRDATE=`date +%Y_%m_%d-%H_%M`
SERVERNAME="localhost"
BAK_FILE=/path/to/backups/$SERVERNAME-production-sql-$CURRDATE.sql.gz # change the PATH here
DB_HOST="localhost"
DB_NAME="DB_NAME_HERE" # Change this

function quit {
  ERROR_CODE=$1
  ERROR_MSG=$2

serg-kovalev

# -*- coding: utf-8 -*-
# DBからデータを取り出してYAMLにする。生成したYAMLはtmp/fixturesに保存される
namespace :db do
  namespace :fixtures do
    desc "Extract database data to tmp/fixtures directory."
    task :extract => :environment do
      fixtures_dir = "#{Rails.root}/tmp/fixtures/"
      skip_tables = ["schema_info", "schema_migrations", "sessions"]
      ActiveRecord::Base.establish_connection
      FileUtils.mkdir_p(fixtures_dir)

serg-kovalev

require 'net/smtp'

FROM = 'Some name <name@email.me>'
TO   = %w(name@email.me)
SUBJ = "DB backup #{Time.now.strftime('%Y-%m-%d')}"

# find the last (in 60 mins) backup
filename = `find /path/to/backups/*.sql.gz -mmin -60`.chomp
exit if filename.nil? || filename.empty?