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|
#!/usr/bin/env ruby
# Ag -- archiving all the 'golden' flamewars on -dev
# Alex Legler <a3li@gentoo.org>
$VERBOSE = nil
require 'bundler/setup'
require 'mail'
require 'maildir'
require 'elasticsearch'
require 'optparse'
require 'parallel'
require 'ruby-progressbar'
require_relative 'lib/utils'
require_relative 'lib/threading'
require_relative 'lib/rendering'
require_relative 'lib/storage'
require_relative 'lib/hotfixes'
$options = OpenStruct.new
$options.action = nil
$options.name = nil
$options.index_only = false
$options.no_threading = false
$options.debug = false
$options.readonly = false
$options.jobs = false
$options.progress = true
$options.need_argument = true
$options.argmode = nil
$options.comment = nil
op = OptionParser.new do |opts|
actions = %w(hide-msg unhide-msg index-full index-new delete-msg delete-index reindex rethread info).map { |s| '--' + s }.join('|')
opts.banner = "Usage: ag <<#{actions}>> <--list listname>> <[--file|--msgid|--hash] <maildir/file/hash/messageid>> [options]"
opts.on('--index-full', 'Read the full past archive from Maildir/cur. Does --delete-index by default. Needs --list and a Maildir') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_full
$options.argmode = :dir
end
opts.on('--index-new', 'Read new messages from Maildir/new and move them to Maildir/cur. Needs --list and a Maildir') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_incremental
$options.argmode = :dir
end
opts.on('--delete-msg', 'Delete message. Needs --list and one of --file, --msgid, or --hash') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_delete_msg
end
opts.on('--hide-msg', 'Hides a message. Needs --list and one of --file, --msgid, or --hash') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_hide_msg
end
opts.on('--unhide-msg', 'Unhides a message. Needs --list and one of --file, --msgid, or --hash') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_unhide_msg
end
opts.on('--create-index', 'Create index but do not populate. Needs --list') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_create_index
$options.need_argument = false
end
opts.on('--rethread', 'Rethread messages. Needs --list') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_rethread
$options.need_argument = false
end
opts.on('--delete-index', 'Delete index. Needs --list') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_delete_index
$options.need_argument = false
end
opts.on('--info', 'Display message details. Needs --list and one of --file, --msgid, or --hash') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_info
end
opts.on('--reindex', 'Reindex message. Needs --list and --file') do
abort 'Can only select one action' unless $options.action.nil?
$options.action = :do_reindex
end
opts.on('--list NAME', 'Name of the mailing list to work with') do |name|
if name =~ /^[0-9a-zA-Z-]+$/
$options.name = name
else
abort 'List name can only consist of letters, numbers and hyphens.'
end
end
opts.on('--file', 'The argument is a file') do
$options.argmode = :file
end
opts.on('--msgid', 'The argument is a Message-Id') do
$options.argmode = :msgid
end
opts.on('--hash', 'The argument is a X-Archives-Hash') do
$options.argmode = :hash
end
opts.on('--index-only', 'Only delete the message from the index, not from disk') do
$options.index_only = true
end
opts.on('--no-threading', 'Only index, don\'t update threading') do
$options.no_threading = true
end
opts.on('--debug', 'Print debug messages') do
$options.debug = true
end
opts.on('--readonly', 'Do not alter the maildir in any way') do
$options.readonly = true
end
opts.on('--jobs JOBS', 'Number of parallel jobs to run (defaults to 75% of core count)') do |jobs|
$options.jobs = jobs.to_i
end
opts.on('--progress', 'Display the progress bar') do
$options.progress = true
end
opts.on('--no-progress', 'Do not display the progress bar') do
$options.progress = false
end
opts.on('--comment COMMENT', 'Comment string as why the message is being hidden/unhidden.') do |comment|
$options.comment = comment
end
end
op.parse!
abort op.help unless $options.action
abort 'List name required' unless $options.name
if $options.need_argument
abort 'Need a Maildir/File/Hash/Message-Id to work with' if ARGV.empty?
$options.dir = ARGV[0]
end
if $options.argmode == :dir
# Open maildir and set serializer
$maildir = Maildir.new(File.join($options.dir), false)
$maildir.serializer = Maildir::Serializer::Mail.new
end
# Connect to Elasticsearch
$es = Elasticsearch::Client.new(log: false)
$es.transport.reload_connections!
Ag::Utils.proc_count = $options.jobs
###############################################################################
def do_full
abort "Wrong argument type: #{$options.argmode}" unless $options.argmode == :dir
do_delete_index(ignore_missing: true, _raise: true) unless $options.readonly
do_create_index(ignore_exists: true, _raise: true)
messages = $maildir.list(:cur)
opts = {
in_processes: Ag::Utils.proc_count
}
opts[:progress] = "Importing #{$options.name}" if $options.progress
Parallel.each(messages, opts) do |maildir_message|
mail = maildir_message.data
begin
Ag::Storage.store($options.name, mail, maildir_message.unique_name)
rescue => e
$stderr.puts "Cannot save message #{mail.message_id}: (#{e.class}) #{e.message}" if $options.debug
next
end
end
do_rethread
end
def do_incremental
abort "Wrong argument type: #{$options.argmode}" unless $options.argmode == :dir
messages = $maildir.list(:new)
do_create_index(ignore_exists: true, _raise: true)
opts = {
in_processes: Ag::Utils.proc_count
}
opts[:progress] = "Importing #{$options.name}" if $options.progress
Parallel.each(messages, opts) do |maildir_message|
mail = maildir_message.data
begin
Ag::Storage.store($options.name, mail, maildir_message.unique_name)
maildir_message.process unless $options.readonly
rescue => e
$stderr.puts "Cannot save message #{mail.message_id} (file #{maildir_message.filename}): #{e.message}" if $options.debug
next
end
end
do_rethread
end
def do_rethread
Ag::Threading.calc($options.name) unless $options.no_threading
end
def do_delete_msg
id = Ag::Utils.resolve_id
begin
Ag::Storage.delete($options.name, id)
rescue => e
$stderr.puts "Cannot delete message: #{e}"
end
end
def do_hide_msg
id = Ag::Utils.resolve_id
begin
Ag::Storage.hide($options.name, id, $options.comment)
rescue => e
$stderr.puts "Cannot hide message: #{e}"
end
end
def do_unhide_msg
id = Ag::Utils.resolve_id
begin
Ag::Storage.unhide($options.name, id, $options.comment)
rescue => e
$stderr.puts "Cannot unhide message: #{e}"
end
end
def do_delete_index(ignore_missing: false, _raise: false)
Ag::Storage.delete_index($options.name)
rescue Elasticsearch::Transport::Transport::Errors::NotFound => e
unless ignore_missing
raise e if _raise
$stderr.puts "Index does not exist: #{e}"
end
rescue => e
raise e if _raise
$stderr.puts "Cannot delete index: #{e}"
end
def do_create_index(ignore_exists: false, _raise: false)
Ag::Storage.create_index($options.name)
rescue Elasticsearch::Transport::Transport::Errors::BadRequest => e
unless ignore_exists && e.message =~ /IndexAlreadyExistsException/
raise e if _raise
$stderr.puts "Cannot create index #{e}"
end
end
def do_reindex
# http://babinho.net/2014/07/refresh-your-elasticsearch-index-with-zero-downtime/
abort 'Come back later.'
end
def do_info
id = Ag::Utils.resolve_id
begin
message = Ag::Storage.get($options.name, id)
raise 'No such message' unless message
require 'pp'
str = "Message #{id}"
$stderr.puts str, '-' * str.length
pp message['_source']
rescue => e
$stderr.puts "Cannot display message: #{e}"
end
end
###############################################################################
if private_methods.include? $options.action
send $options.action
else
abort "Internal Error: Unknown action: #{$options.action}"
end
# vim: ts=2 sts=2 et ft=ruby:
|