274 lines
8.1 KiB
Ruby
Executable File
274 lines
8.1 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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require "thor"
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class DiscourseCLI < Thor
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desc "remap [--global,--regex] FROM TO", "Remap a string sequence accross all tables"
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long_desc <<-LONGDESC
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Replace a string sequence FROM with TO across all tables.
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With --global option, the remapping is run on ***ALL***
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databases. Instead of just running on the current database, run on
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every database on this machine. This option is useful for
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multi-site setups.
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With --regex option, use PostgreSQL function regexp_replace to do
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the remapping. Enabling this interprets FROM as a PostgreSQL
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regular expression. TO can contain references to captures in the
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FROM match. See the "Regular Expression Details" section and
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"regexp_replace" documentation in the PostgreSQL manual for more
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details.
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Examples:
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discourse remap talk.foo.com talk.bar.com # renaming a Discourse domain name
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discourse remap --regex "\[\/?color(=[^\]]*)*]" "" # removing "color" bbcodes
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LONGDESC
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option :global, type: :boolean
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option :regex, type: :boolean
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def remap(from, to)
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load_rails
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if options[:regex]
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puts "Rewriting all occurences of #{from} to #{to} using regexp_replace"
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else
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puts "Rewriting all occurences of #{from} to #{to}"
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end
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puts "THIS TASK WILL REWRITE DATA, ARE YOU SURE (type YES)"
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puts "WILL RUN ON ALL #{RailsMultisite::ConnectionManagement.all_dbs.length} DBS" if options[:global]
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text = STDIN.gets
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if text.strip != "YES"
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puts "aborting."
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exit
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end
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if options[:global]
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RailsMultisite::ConnectionManagement.each_connection do |db|
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puts "", "Remapping tables on #{db}...", ""
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do_remap(from, to, options[:regex])
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end
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else
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do_remap(from, to, options[:regex])
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end
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end
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desc "backup", "Backup a discourse forum"
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def backup(filename = nil)
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load_rails
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require "backup_restore/backup_restore"
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require "backup_restore/backuper"
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puts "Starting backup..."
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backuper = BackupRestore::Backuper.new(Discourse.system_user.id)
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backup = backuper.run
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if filename.present?
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puts "Moving '#{backup}' to '#{filename}'"
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puts "Including version number into '#{filename}'"
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version_string = File.basename(backup)[/-#{BackupRestore::VERSION_PREFIX}\d{14}/]
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filename = filename.dup.insert(filename.index('.'), version_string)
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FileUtils.mv(backup, filename)
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backup = filename
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end
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puts "Backup done."
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puts "Output file is in: #{backup}", ""
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exit(1) unless backuper.success
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end
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desc "export", "Backup a Discourse forum"
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def export
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backup
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end
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desc "restore", "Restore a Discourse backup"
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def restore(filename = nil)
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if File.exist?('/usr/local/bin/discourse')
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discourse = 'discourse'
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else
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discourse = './script/discourse'
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end
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if !filename
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puts "You must provide a filename to restore. Did you mean one of the following?\n\n"
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Dir["public/backups/default/*"].sort_by { |filename| File.mtime(filename) }.reverse.each do |f|
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puts "#{discourse} restore #{File.basename(f)}"
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end
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return
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end
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load_rails
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require "backup_restore/backup_restore"
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require "backup_restore/restorer"
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begin
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puts "Starting restore: #{filename}"
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restorer = BackupRestore::Restorer.new(Discourse.system_user.id, filename: filename)
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restorer.run
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puts 'Restore done.'
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rescue BackupRestore::FilenameMissingError
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puts '', 'The filename argument was missing.', ''
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usage
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rescue BackupRestore::RestoreDisabledError
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puts '', 'Restores are not allowed.', 'An admin needs to set allow_restore to true in the site settings before restores can be run.'
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puts "Enable now with", '', "#{discourse} enable_restore", ''
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puts 'Restore cancelled.', ''
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end
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exit(1) unless restorer.try(:success)
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end
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desc "import", "Restore a Discourse backup"
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def import(filename)
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restore(filename)
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end
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desc "rollback", "Rollback to the previous working state"
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def rollback
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load_rails
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require "backup_restore"
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puts 'Rolling back if needed..'
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BackupRestore.rollback!
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puts 'Done.'
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end
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desc "enable_restore", "Allow restore operations"
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def enable_restore
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load_rails
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require "site_setting"
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SiteSetting.allow_restore = true
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puts 'Restore are now permitted. Disable them with `disable_restore`'
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end
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desc "disable_restore", "Forbid restore operations"
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def disable_restore
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load_rails
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require "site_setting"
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SiteSetting.allow_restore = false
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puts 'Restore are now forbidden. Enable them with `enable_restore`'
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end
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desc "enable_readonly", "Enable the readonly mode"
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def enable_readonly
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load_rails
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Discourse.enable_readonly_mode
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puts 'The site is now in readonly mode.'
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end
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desc "disable_readonly", "Disable the readonly mode"
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def disable_readonly
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load_rails
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Discourse.disable_readonly_mode
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puts 'The site is now fully operable.'
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end
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desc "request_refresh", "Ask all clients to refresh the browser"
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def request_refresh
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load_rails
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Discourse.request_refresh!
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puts 'Requests sent. Clients will refresh on next navigation.'
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end
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desc "export_categories", "Export categories, all its topics, and all users who posted in those topics"
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def export_categories(*category_ids)
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puts "Starting export of categories...", ""
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load_rails
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load_import_export
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ImportExport.export_categories(category_ids)
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puts "", "Done", ""
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end
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desc "export_category", "Export a category, all its topics, and all users who posted in those topics"
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def export_category(category_id)
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raise "Category id argument is missing!" unless category_id
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export_categories([category_id])
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end
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desc "import_category", "Import a category, its topics and the users from the output of the export_category command"
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def import_category(filename)
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raise "File name argument missing!" unless filename
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puts "Starting import from #{filename}..."
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load_rails
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load_import_export
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ImportExport.import(filename)
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puts "", "Done", ""
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end
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desc "export_topics", "Export topics and all users who posted in that topic. Accepts multiple topic id's"
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def export_topics(*topic_ids)
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puts "Starting export of topics...", ""
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load_rails
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load_import_export
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ImportExport.export_topics(topic_ids)
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puts "", "Done", ""
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end
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desc "import_topics", "Import topics and their users from the output of the export_topic command"
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def import_topics(filename)
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raise "File name argument missing!" unless filename
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puts "Starting import from #{filename}..."
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load_rails
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load_import_export
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ImportExport.import(filename)
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puts "", "Done", ""
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end
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private
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def load_rails
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require File.expand_path(File.dirname(__FILE__) + "/../config/environment")
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end
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def load_import_export
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require File.expand_path(File.dirname(__FILE__) + "/../lib/import_export/import_export")
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end
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def do_remap(from, to, regex = false)
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sql = "SELECT table_name, column_name
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FROM information_schema.columns
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WHERE table_schema='public' and (data_type like 'char%' or data_type like 'text%') and is_updatable = 'YES'"
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cnn = ActiveRecord::Base.connection.raw_connection
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results = cnn.async_exec(sql).to_a
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results.each do |result|
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table_name = result["table_name"]
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column_name = result["column_name"]
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puts "Remapping #{table_name} #{column_name}"
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begin
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result = if regex
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cnn.async_exec("UPDATE #{table_name}
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SET #{column_name} = regexp_replace(#{column_name}, $1, $2, 'g')
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WHERE NOT #{column_name} IS NULL
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AND #{column_name} <> regexp_replace(#{column_name}, $1, $2, 'g')", [from, to])
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else
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cnn.async_exec("UPDATE #{table_name}
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SET #{column_name} = replace(#{column_name}, $1, $2)
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WHERE NOT #{column_name} IS NULL
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AND #{column_name} <> replace(#{column_name}, $1, $2)", [from, to])
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end
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puts "#{result.cmd_tuples} rows affected!"
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rescue => ex
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puts "Error: #{ex}"
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end
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end
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end
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end
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DiscourseCLI.start(ARGV)
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