Class: Taps::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/taps/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/taps/cli.rb', line 19

def initialize(argv)
  @argv = argv
end

Instance Attribute Details

#argv ⇒ Object

Returns the value of attribute argv.



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# File 'lib/taps/cli.rb', line 17

def argv
  @argv
end

Instance Method Details

#clientoptparse(cmd) ⇒ Object 



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# File 'lib/taps/cli.rb', line 119

def clientoptparse(cmd)
  opts={:default_chunksize => 1000, :database_url => nil, :remote_url => nil, :debug => false, :resume_filename => nil, :disable_compresion => false, :indexes_first => false}
  OptionParser.new do |o|
    o.banner = "Usage: #{File.basename($0)} #{cmd} [OPTIONS] <local_database_url> <remote_url>"

    case cmd
    when :pull
      o.define_head "Pull a database from a taps server"
    when :push
      o.define_head "Push a database to a taps server"
    end

    o.on("-i", "--indexes-first", "Transfer indexes first before data") { |v| opts[:indexes_first] = true }
    o.on("-r", "--resume=file", "Resume a Taps Session from a stored file") { |v| opts[:resume_filename] = v }
    o.on("-c", "--chunksize=N", "Initial Chunksize") { |v| opts[:default_chunksize] = (v.to_i < 10 ? 10 : v.to_i) }
    o.on("-g", "--disable-compression", "Disable Compression") { |v| opts[:disable_compression] = true }
    o.on("-f", "--filter=regex", "Regex Filter for tables") { |v| opts[:table_filter] = v }
    o.on("-t", "--tables=A,B,C", Array, "Shortcut to filter on a list of tables") do |v|
      r_tables = v.collect { |t| "^#{t}$" }.join("|")
      opts[:table_filter] = "(#{r_tables})"
    end
    o.on("-d", "--debug", "Enable Debug Messages") { |v| opts[:debug] = true }
    o.parse!(argv)

    opts[:database_url] = argv.shift
    opts[:remote_url] = argv.shift

    if opts[:database_url].nil?
      $stderr.puts "Missing Database URL"
      puts o
      exit 1
    end
    if opts[:remote_url].nil?
      $stderr.puts "Missing Remote Taps URL"
      puts o
      exit 1
    end
  end

  opts
end

#clientresumexfer(method, opts) ⇒ Object 



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# File 'lib/taps/cli.rb', line 172

def clientresumexfer(method, opts)
  session = JSON.parse(File.read(opts.delete(:resume_filename)))
  session.symbolize_recursively!

  database_url = opts.delete(:database_url)
  remote_url = opts.delete(:remote_url) || session.delete(:remote_url)

  Taps::Config.verify_database_url(database_url)

  require 'taps/operation'

  newsession = session.merge({
    :default_chunksize => opts[:default_chunksize],
    :disable_compression => opts[:disable_compression],
    :resume => true,
  })

  Taps::Operation.factory(method, database_url, remote_url, newsession).run
end

#clientxfer(method, opts) ⇒ Object 



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# File 'lib/taps/cli.rb', line 161

def clientxfer(method, opts)
  database_url = opts.delete(:database_url)
  remote_url = opts.delete(:remote_url)

  Taps::Config.verify_database_url(database_url)

  require 'taps/operation'

  Taps::Operation.factory(method, database_url, remote_url, opts).run
end

#help ⇒ Object 



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# File 'lib/taps/cli.rb', line 73

def help
  puts <<EOHELP
Options
=======
server    Start a taps database import/export server
pull      Pull a database from a taps server
push      Push a database to a taps server
version   Taps version

Add '-h' to any command to see their usage
EOHELP
end

#pull ⇒ Object 



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# File 'lib/taps/cli.rb', line 32

def pull
  opts = clientoptparse(:pull)
  Taps.log.level = Logger::DEBUG if opts[:debug]
  if opts[:resume_filename]
    clientresumexfer(:pull, opts)
  else
    clientxfer(:pull, opts)
  end
end

#push ⇒ Object 



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# File 'lib/taps/cli.rb', line 42

def push
  opts = clientoptparse(:push)
  Taps.log.level = Logger::DEBUG if opts[:debug]
  if opts[:resume_filename]
    clientresumexfer(:push, opts)
  else
    clientxfer(:push, opts)
  end
end

#run ⇒ Object 



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# File 'lib/taps/cli.rb', line 23

def run
  method = (argv.shift || 'help').to_sym
  if [:pull, :push, :server, :version].include? method
    send(method)
  else
    help
  end
end

#server ⇒ Object 



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# File 'lib/taps/cli.rb', line 52

def server
  opts = serveroptparse
  Taps.log.level = Logger::DEBUG if opts[:debug]
  Taps::Config.database_url = opts[:database_url]
  Taps::Config. = opts[:login]
  Taps::Config.password = opts[:password]

  Taps::Config.verify_database_url
  require 'taps/server'
  Taps::Server.run!({
    :port => opts[:port],
    :environment => :production,
    :logging => true,
    :dump_errors => true,
  })
end

#serveroptparse ⇒ Object 



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# File 'lib/taps/cli.rb', line 86

def serveroptparse
  opts={:port => 5000, :database_url => nil, :login => nil, :password => nil, :debug => false}
  OptionParser.new do |o|
    o.banner = "Usage: #{File.basename($0)} server [OPTIONS] <local_database_url> <login> <password>"
    o.define_head "Start a taps database import/export server"

    o.on("-p", "--port=N", "Server Port") { |v| opts[:port] = v.to_i if v.to_i > 0 }
    o.on("-d", "--debug", "Enable Debug Messages") { |v| opts[:debug] = true }
    o.parse!(argv)

    opts[:database_url] = argv.shift
    opts[:login] = argv.shift
    opts[:password] = argv.shift

    if opts[:database_url].nil?
      $stderr.puts "Missing Database URL"
      puts o
      exit 1
    end
    if opts[:login].nil?
      $stderr.puts "Missing Login"
      puts o
      exit 1
    end
    if opts[:password].nil?
      $stderr.puts "Missing Password"
      puts o
      exit 1
    end
  end
  opts
end

#version ⇒ Object 



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# File 'lib/taps/cli.rb', line 69

def version
  puts Taps.version
end