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cli.rb
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cli.rb
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require 'optparse'
require 'tempfile'
require 'json'
require 'taps/monkey'
require 'taps/config'
require 'taps/log'
Taps::Config.taps_database_url = ENV['TAPS_DATABASE_URL'] || begin
# this is dirty but it solves a weird problem where the tempfile disappears mid-process
$__taps_database = Tempfile.new('taps.db')
$__taps_database.open()
"sqlite://#{$__taps_database.path}"
end
module Taps
class Cli
attr_accessor :argv
def initialize(argv)
@argv = argv
end
def run
method = (argv.shift || 'help').to_sym
if [:pull, :push, :server, :version].include? method
send(method)
else
help
end
end
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
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
def server
opts = serveroptparse
Taps.log.level = Logger::DEBUG if opts[:debug]
Taps::Config.database_url = opts[:database_url]
Taps::Config.login = 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
def version
puts Taps.version
end
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
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
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("-e", "--exclude_tables=A,B,C", Array, "Shortcut to exclude a list of tables") {|v| opts[:exclude_tables] = v}
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
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
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
end
end