Module: EY::Backup::CLI

Extended by:
CLI
Included in:
CLI
Defined in:
lib/ey_backup/cli.rb

Overview

rename to option parser and config loader

Instance Method Summary collapse

Instance Method Details

#config_for(filename) ⇒ Object 



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# File 'lib/ey_backup/cli.rb', line 97

def config_for(filename)
  if File.exist?(filename)
    # Make the loaded config have symbols rather than strings
    config_orig = YAML::load(File.read(filename))
    config = {}
    config_orig.each do |key, val|
      config[key.to_sym] = val
    end
    config[:environment] ||= config[:env]
    config
  else
    abort "You need to have a backup file at #{filename}"
  end
end

#default_options ⇒ Object 



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# File 'lib/ey_backup/cli.rb', line 14

def default_options
  {
    :command => :new_backup,
    :format => "gzip",
    :engine => 'mysql',
  }
end

#opt_parse(argv) ⇒ Object 



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# File 'lib/ey_backup/cli.rb', line 22

def opt_parse(argv)
  # Build a parser for the command line arguments
  options = {}

  opts = OptionParser.new do |opts|
    opts.version = EY::CloudServer::VERSION

    opts.banner = "Usage: eybackup [-flag] [argument]"
    opts.define_head "eybackup: manage dump (mysqldump/pg_dump) style backups of your database."
    opts.separator '*'*80

    opts.on("-l", "--list-backup DATABASE", "List mysql backups for DATABASE") do |db|
      if db == "all"
        db = nil
      end
      options[:db] = db
      options[:command] = :list
    end

    opts.on("-n", "--new-backup", "Create new mysql backup") do
      options[:command] = :new_backup
    end

    opts.on("-c", "--config CONFIG", "Use config file.") do |config|
      options[:config] = config
    end

    opts.on("-b", "--bucket BUCKET", "Override default S3 bucket name. (Be Careful!)") do |bucket|
      options[:backup_bucket] = bucket
    end

    opts.on("-t", "--tmp_dir TMPDIR", "Use the given directory for temporary storage.") do |tmp_dir|
      options[:tmp_dir] = tmp_dir
    end

    opts.on("-d", "--download BACKUP_INDEX", "download the backup specified by index. Run eybackup -l to get the index.") do |index_and_db|
      options[:command] = :download
      db, index = split_index(index_and_db)
      options[:index] = index
      options[:db] = db
    end

    opts.on("-e", "--engine DATABASE_ENGINE", "The database engine. ex: mysql, postgres.") do |engine|
      options[:engine] = engine
    end

    opts.on("-r", "--restore BACKUP_INDEX", "Download and apply the backup specified by index WARNING! will overwrite the current db with the backup. Run eybackup -l to get the index.") do |index_and_db|
      options[:command] = :restore
      db, index = split_index(index_and_db)
      options[:index] = index
      options[:db] = db
    end

    opts.on("-k", "--key KEYID", "Public key ID to use for the backup operation") do |key_id|
      options[:key_id] = key_id
    end

    opts.on("-q", "--quiet", "Supress output to STDOUT") do
      options[:quiet] = true
    end

    opts.on("-s", "--split_size INTEGER", "Maximum size of a single backup file before splitting.") do |split_size|
      options[:split_size] = split_size.to_i
    end
  end

  opts.parse!(argv)

  options
end

#run(argv) ⇒ Object 



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# File 'lib/ey_backup/cli.rb', line 6

def run(argv)
  options = default_options.merge(opt_parse(argv))

  config_path = options[:config] || "/etc/.#{options[:engine]}.backups.yml"

  config_for(config_path).merge(options)
end

#split_index(index) ⇒ Object 



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# File 'lib/ey_backup/cli.rb', line 93

def split_index(index)
  index.split(':').reverse
end