Created
July 8, 2009 19:48
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Capistrano task for mysql refresh
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# Capistrano task for refreshing local db | |
require 'yaml' | |
desc "Copy the remote production database to the local development database" | |
task :backup, :roles => :db, :only => { :primary => true } do | |
filename = "#{application}.dump.#{Time.now.to_i}.sql.bz2" | |
file = "/tmp/#{filename}" | |
on_rollback { delete file } | |
get "#{current_path}/config/database.yml", "tmp/prod_database.yml" | |
db = YAML::load(ERB.new(IO.read('tmp/prod_database.yml')).result)['production'] | |
run "mysqldump --add-drop-database -u #{db['username']} --password=#{db['password']} #{db['database']} | bzip2 -c > #{file}" do |ch, stream, out| | |
puts out | |
end | |
`mkdir -p #{File.dirname(__FILE__)}/../db/backups/` | |
get file, "db/backups/#{filename}" | |
run "rm #{file}" | |
File.delete('tmp/prod_database.yml') | |
end | |
desc "Copy the latest backup to the local development database" | |
task :import_backup do | |
filename = `ls -tr backups | tail -n 1`.chomp | |
if filename.empty? | |
logger.important "No backups found" | |
else | |
ddb = YAML::load(ERB.new(IO.read(File.join(File.dirname(__FILE__), 'database.yml'))).result)['development'] | |
logger.debug "Loading backups/#{filename} into local development database" | |
`bzip2 -cd backups/#{filename} | mysql -u #{ddb['username']} --password=#{ddb['password']} #{ddb['database']}` | |
logger.debug "command finished" | |
end | |
end | |
desc "Backup the remote production database and import it to the local development database" | |
task :backup_and_import do | |
backup | |
import_backup | |
end |
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