Init version of package manager backend.
This commit is contained in:
Martin Edenhofer
parent
ef2f55cfee
commit
e4dd4a0d5d
4 changed files with 531 additions and 0 deletions
296
app/models/package.rb
Normal file
296
app/models/package.rb
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@ -0,0 +1,296 @@
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require 'rexml/document'
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class Package < ApplicationModel
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@@root = Rails.root.to_s
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def self.build_file(file)
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xml = self._read_file(file, true)
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package = self._parse(xml)
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self.build(package)
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end
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def self.build(package)
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package.elements.each('zpm/filelist/file') do |element|
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location = element.attributes['location']
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content = self._read_file(location)
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base64 = Base64.encode64(content)
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element.text = base64
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end
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return package.to_s
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end
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def self.install_file(file)
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xml = self._read_file(file)
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package = self._parse(xml)
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self.install(package)
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end
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def self.install_string(xml)
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package = self._parse(xml)
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self.install(package)
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end
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def self.install(package)
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# package meta data
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data = {
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:name => package.elements["zpm/name"].text,
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:version => package.elements["zpm/version"].text,
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:vendor => package.elements["zpm/vendor"].text,
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:state => 'uninstalled',
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:created_by_id => 1,
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:updated_by_id => 1,
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}
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# verify if package can get installed
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package_db = Package.where( :name => data[:name] ).first
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if package_db
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if Gem::Version.new( package_db.version ) == Gem::Version.new( data[:version] )
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raise "Package '#{data[:name]}' already installed!"
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end
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if Gem::Version.new( package_db.version ) > Gem::Version.new( data[:version] )
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raise "Newer version (#{package_db.version}) of package '#{data[:name]}-#{data[:version]}' already installed!"
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end
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# uninstall old package
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self.uninstall_name( package_db.name, package_db.version, false )
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end
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# store package
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record = Package.create( data )
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Store.add(
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:object => 'Package',
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:o_id => record.id,
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:data => package.to_s,
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:filename => data[:name] + '-' + data[:version] + '.zpm',
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:preferences => {},
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)
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# write files
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package.elements.each('zpm/filelist/file') do |element|
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location = element.attributes['location']
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permission = element.attributes['permission'] || '644'
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base64 = element.text
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content = Base64.decode64(base64)
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content = self._write_file(location, permission, content)
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end
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# update package state
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record.state = 'installed'
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record.save
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# up migrations
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Package::Migration.migrate( data[:name] )
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# prebuild assets
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return true
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end
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def self.uninstall_name( name, version, migration_down = true )
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file = self._get_bin( name, version )
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package = self._parse(file)
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self.uninstall( package, migration_down )
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end
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def self.uninstall_string(xml)
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package = self._parse(xml)
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self.uninstall(package)
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end
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def self.uninstall( package, migration_down = true )
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# package meta data
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data = {
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:name => package.elements["zpm/name"].text,
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:version => package.elements["zpm/version"].text,
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}
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# down migrations
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if migration_down
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Package::Migration.migrate( data[:name], 'reverse' )
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end
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package.elements.each('zpm/filelist/file') do |element|
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location = element.attributes['location']
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permission = element.attributes['permission'] || '644'
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base64 = element.text
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content = Base64.decode64(base64)
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content = self._delete_file(location, permission, content)
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end
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# prebuild assets
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# delete package
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record = Package.where(
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:name => data[:name],
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:version => data[:version],
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).first
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record.destroy
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return true
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end
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def self._parse(xml)
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# puts xml.inspect
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begin
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package = REXML::Document.new( xml )
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rescue => e
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puts 'ERROR: ' + e.inspect
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return
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end
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# puts package.inspect
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return package
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end
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def self._get_bin( name, version )
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package = Package.where(
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:name => name,
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:version => version,
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).first
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if !package
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raise "No such package '#{name}' version '#{version}'"
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end
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list = Store.list(
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:object => 'Package',
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:o_id => package.id,
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)
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# find file
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return if !list
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list.first.store_file.data
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end
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def self._read_file(file, fullpath = false)
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if !fullpath
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location = @@root + '/' + file
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else
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location = file
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end
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begin
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data = File.open( location, 'rb' )
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contents = data.read
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rescue => e
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raise 'ERROR: ' + e.inspect
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end
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return contents
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end
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def self._write_file(file, permission, data)
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location = @@root + '/' + file
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# rename existing file
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if File.exist?( location )
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backup_location = location + '.save'
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puts "NOTICE: backup old file '#{location}' to #{backup_location}"
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File.rename( location, backup_location )
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end
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# check if directories need to be created
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directories = location.split '/'
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(0..(directories.length-2) ).each {|position|
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tmp_path = ''
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(1..position).each {|count|
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tmp_path = tmp_path + '/' + directories[count].to_s
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}
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if tmp_path != ''
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if !File.exist?(tmp_path)
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Dir.mkdir( tmp_path, 0755)
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end
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end
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}
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# install file
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begin
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puts "NOTICE: install '#{location}' (#{permission})"
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file = File.new( location, 'wb' )
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file.write( data )
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file.close
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File.chmod( permission.to_i(8), location )
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rescue => e
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raise 'ERROR: ' + e.inspect
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end
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return true
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end
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def self._delete_file(file, permission, data)
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location = @@root + '/' + file
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# install file
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puts "NOTICE: uninstall '#{location}'"
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File.delete( location )
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# rename existing file
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backup_location = location + '.save'
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if File.exist?( backup_location )
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puts "NOTICE: restore old file '#{backup_location}' to #{location}"
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File.rename( backup_location, location )
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end
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return true
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end
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class Migration < ApplicationModel
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@@root = Rails.root.to_s
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def self.migrate(package, direction = 'normal')
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location = @@root + '/db/addon/' + package.underscore
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return true if !File.exists?( location )
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migrations_done = Package::Migration.where( :name => package )
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# get existing migrations
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migrations_existing = []
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Dir.foreach(location) {|entry|
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next if entry == '.'
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next if entry == '..'
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migrations_existing.push entry
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}
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# up
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migrations_existing = migrations_existing.sort
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# down
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if direction == 'reverse'
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migrations_existing = migrations_existing.reverse
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end
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migrations_existing.each {|migration|
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next if migration !~ /\.rb$/
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version = nil
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name = nil
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if migration =~ /^(.+?)_(.*)\.rb$/
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version = $1
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name = $2
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end
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if !version || !name
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raise "Invalid package migration '#{migration}'"
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end
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# down
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if direction == 'reverse'
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done = Package::Migration.where( :name => name, :version => version ).first
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next if !done
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puts "NOTICE: down package migration '#{migration}'"
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load "#{location}/#{migration}"
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classname = name.camelcase
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Kernel.const_get(classname).down
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record = Package::Migration.where( :name => name, :version => version ).first
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if record
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record.destroy
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end
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# up
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else
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done = Package::Migration.where( :name => name, :version => version ).first
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next if done
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puts "NOTICE: up package migration '#{migration}'"
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load "#{location}/#{migration}"
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classname = name.camelcase
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Kernel.const_get(classname).up
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Package::Migration.create( :name => name, :version => version )
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end
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}
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end
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end
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end
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23
db/migrate/20121225162100_create_package.rb
Normal file
23
db/migrate/20121225162100_create_package.rb
Normal file
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@ -0,0 +1,23 @@
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class CreatePackage < ActiveRecord::Migration
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def up
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create_table :packages do |t|
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t.column :name, :string, :limit => 250, :null => false
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t.column :version, :string, :limit => 50, :null => false
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t.column :vendor, :string, :limit => 150, :null => false
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t.column :state, :string, :limit => 50, :null => false
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t.column :updated_by_id, :integer, :null => false
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t.column :created_by_id, :integer, :null => false
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t.timestamps
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end
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create_table :package_migrations do |t|
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t.column :name, :string, :limit => 250, :null => false
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t.column :version, :string, :limit => 250, :null => false
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t.timestamps
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end
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end
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def down
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drop_table :packages
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drop_table :package_migrations
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end
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end
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@ -13,6 +13,9 @@ class ActiveSupport::TestCase
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SimpleCov.start
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fixtures :all
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# disable transactions
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self.use_transactional_fixtures = false
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# load seeds
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load "#{Rails.root}/db/seeds.rb"
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209
test/unit/package_test.rb
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209
test/unit/package_test.rb
Normal file
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@ -0,0 +1,209 @@
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# encoding: utf-8
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require 'test_helper'
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class PackageTest < ActiveSupport::TestCase
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test 'packages' do
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tests = [
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# test 1
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{
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:zpm => '<?xml version="1.0"?>
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<zpm version="1.0">
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<name>UnitTestSample</name>
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<version>1.0.1</version>
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<vendor>Znuny GmbH</vendor>
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<url>http://znuny.org/</url>
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<license>ABC</license>
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<description lang="en">some description</description>
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<filelist>
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<file permission="644" location="test.txt">YWJjw6TDtsO8w58=</file>
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<file permission="644" location="some/dir/test.txt">YWJjw6TDtsO8w58=</file>
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<file permission="644" location="db/addon/unit_test_sample/20121212000001_create_base.rb">Y2xhc3MgQ3JlYXRlQmFzZSA8IEFjdGl2ZVJlY29yZDo6TWlncmF0aW9uDQogIGRlZiBzZWxmLnVw
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DQogICBjcmVhdGVfdGFibGUgOnNhbXBsZV90YWJsZXMgZG8gfHR8DQogICAgICB0LmNvbHVtbiA6
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bmFtZSwgICAgICAgICAgIDpzdHJpbmcsIDpsaW1pdCA9PiAxNTAsICA6bnVsbCA9PiB0cnVlDQog
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ICAgICB0LmNvbHVtbiA6ZGF0YSwgICAgICAgICAgIDpzdHJpbmcsIDpsaW1pdCA9PiA1MDAwLCA6
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bnVsbCA9PiB0cnVlDQogICAgZW5kDQogIGVuZA0KDQogIGRlZiBzZWxmLmRvd24NCiAgICBkcm9w
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X3RhYmxlIDpzYW1wbGVfdGFibGVzDQogIGVuZA0KZW5k</file>
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</filelist>
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</zpm>',
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:action => 'install',
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:result => true,
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:verify => {
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:package => {
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:name => 'UnitTestSample',
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:version => '1.0.1',
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},
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:check_files => [
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{
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:location => 'test.txt',
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:result => true,
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},
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{
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:location => 'test2.txt',
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:result => false,
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},
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{
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:location => 'some/dir/test.txt',
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:result => true,
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},
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],
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},
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},
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# test 2
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{
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:zpm => '<?xml version="1.0"?>
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<zpm version="1.0">
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<name>UnitTestSample</name>
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<version>1.0.1</version>
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<vendor>Znuny GmbH</vendor>
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<url>http://znuny.org/</url>
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<license>ABC</license>
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<description lang="en">some description</description>
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<filelist>
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<file permission="644" location="test.txt">YWJjw6TDtsO8w58=</file>
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</filelist>
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</zpm>',
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:action => 'install',
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:result => false,
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},
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# test 3
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{
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:zpm => '<?xml version="1.0"?>
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<zpm version="1.0">
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<name>UnitTestSample</name>
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<version>1.0.0</version>
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<vendor>Znuny GmbH</vendor>
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<url>http://znuny.org/</url>
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<license>ABC</license>
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<description lang="en">some description</description>
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<filelist>
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<file permission="644" location="test.txt">YWJjw6TDtsO8w58=</file>
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</filelist>
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</zpm>',
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:action => 'install',
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:result => false,
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},
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# test 4
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{
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:zpm => '<?xml version="1.0"?>
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<zpm version="1.0">
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<name>UnitTestSample</name>
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<version>1.0.2</version>
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<vendor>Znuny GmbH</vendor>
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<url>http://znuny.org/</url>
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<license>ABC</license>
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<description lang="en">some description</description>
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<filelist>
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<file permission="644" location="test.txt2">YWJjw6TDtsO8w58=</file>
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<file permission="644" location="some/dir/test.txt2">YWJjw6TDtsO8w58=</file>
|
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<file permission="644" location="db/addon/unit_test_sample/20121212000001_create_base.rb">Y2xhc3MgQ3JlYXRlQmFzZSA8IEFjdGl2ZVJlY29yZDo6TWlncmF0aW9uDQogIGRlZiBzZWxmLnVw
|
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DQogICBjcmVhdGVfdGFibGUgOnNhbXBsZV90YWJsZXMgZG8gfHR8DQogICAgICB0LmNvbHVtbiA6
|
||||
bmFtZSwgICAgICAgICAgIDpzdHJpbmcsIDpsaW1pdCA9PiAxNTAsICA6bnVsbCA9PiB0cnVlDQog
|
||||
ICAgICB0LmNvbHVtbiA6ZGF0YSwgICAgICAgICAgIDpzdHJpbmcsIDpsaW1pdCA9PiA1MDAwLCA6
|
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bnVsbCA9PiB0cnVlDQogICAgZW5kDQogIGVuZA0KDQogIGRlZiBzZWxmLmRvd24NCiAgICBkcm9w
|
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X3RhYmxlIDpzYW1wbGVfdGFibGVzDQogIGVuZA0KZW5k</file>
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</filelist>
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</zpm>',
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:action => 'install',
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:result => true,
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:verify => {
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:package => {
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:name => 'UnitTestSample',
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:version => '1.0.2',
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},
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:check_files => [
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{
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:location => 'test.txt2',
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:result => true,
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},
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{
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:location => 'test.txt',
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:result => false,
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},
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{
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:location => 'test2.txt',
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:result => false,
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},
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{
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:location => 'some/dir/test.txt2',
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:result => true,
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},
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],
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},
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},
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# test 4
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{
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:name => 'UnitTestSample',
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:version => '1.0.2',
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:action => 'uninstall',
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:result => true,
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:verify => {
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:check_files => [
|
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{
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:location => 'test.txt',
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:result => false,
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},
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{
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:location => 'test2.txt',
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:result => false,
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},
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],
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},
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},
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]
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tests.each { |test|
|
||||
if test[:action] == 'install'
|
||||
begin
|
||||
success = Package.install_string( test[:zpm] )
|
||||
rescue => e
|
||||
puts 'ERROR: ' + e.inspect
|
||||
success = false
|
||||
end
|
||||
if test[:result]
|
||||
assert( success, "install package not successful" )
|
||||
else
|
||||
assert( !success, "install package successful but should not" )
|
||||
end
|
||||
elsif test[:action] == 'uninstall'
|
||||
if test[:zpm]
|
||||
begin
|
||||
success = Package.uninstall_string( test[:zpm] )
|
||||
rescue
|
||||
success = false
|
||||
end
|
||||
else
|
||||
begin
|
||||
success = Package.uninstall_name( test[:name], test[:version] )
|
||||
rescue
|
||||
success = false
|
||||
end
|
||||
end
|
||||
if test[:result]
|
||||
assert( success, "uninstall package not successful" )
|
||||
else
|
||||
assert( !success, "uninstall package successful but should not" )
|
||||
end
|
||||
end
|
||||
if test[:verify] && test[:verify][:package]
|
||||
exists = Package.where( :name => test[:verify][:package][:name], :version => test[:verify][:package][:version] ).first
|
||||
assert( exists, "package '#{test[:verify][:package][:name]}' is not installed" )
|
||||
end
|
||||
if test[:verify] && test[:verify][:check_files]
|
||||
test[:verify][:check_files].each {|item|
|
||||
exists = File.exist?( item[:location] )
|
||||
if item[:result]
|
||||
assert( exists, "'#{item[:location]}' exists" )
|
||||
else
|
||||
assert( !exists, "'#{item[:location]}' doesn't exists" )
|
||||
end
|
||||
}
|
||||
end
|
||||
}
|
||||
|
||||
end
|
||||
end
|
||||
Loading…
Reference in a new issue