155 lines
4.5 KiB
Ruby
155 lines
4.5 KiB
Ruby
# A grant is either global or per-db. This can be distinguished by the syntax
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# of the name:
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# user@host => global
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# user@host/db => per-db
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require 'puppet/provider/package'
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MYSQL_USER_PRIVS = [ :select_priv, :insert_priv, :update_priv, :delete_priv,
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:create_priv, :drop_priv, :reload_priv, :shutdown_priv, :process_priv,
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:file_priv, :grant_priv, :references_priv, :index_priv, :alter_priv,
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:show_db_priv, :super_priv, :create_tmp_table_priv, :lock_tables_priv,
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:execute_priv, :repl_slave_priv, :repl_client_priv, :create_view_priv,
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:show_view_priv, :create_routine_priv, :alter_routine_priv,
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:create_user_priv
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]
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MYSQL_DB_PRIVS = [ :select_priv, :insert_priv, :update_priv, :delete_priv,
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:create_priv, :drop_priv, :grant_priv, :references_priv, :index_priv,
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:alter_priv, :create_tmp_table_priv, :lock_tables_priv, :create_view_priv,
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:show_view_priv, :create_routine_priv, :alter_routine_priv, :execute_priv
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]
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Puppet::Type.type(:mysql_grant).provide(:mysql) do
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desc "Uses mysql as database."
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commands :mysql => '/usr/bin/mysql'
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commands :mysqladmin => '/usr/bin/mysqladmin'
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def mysql_flush
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mysqladmin "flush-privileges"
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end
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# this parses the
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def split_name(string)
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matches = /^([^@]*)@([^\/]*)(\/(.*))?$/.match(string).captures.compact
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case matches.length
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when 2
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{
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:type => :user,
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:user => matches[0],
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:host => matches[1]
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}
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when 4
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{
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:type => :db,
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:user => matches[0],
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:host => matches[1],
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:db => matches[3]
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}
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end
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end
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def create_row
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unless @resource.should(:privileges).empty?
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name = split_name(@resource[:name])
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case name[:type]
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when :user
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mysql "mysql", "-e", "INSERT INTO user (host, user) VALUES ('%s', '%s')" % [
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name[:host], name[:user],
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]
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when :db
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mysql "mysql", "-e", "INSERT INTO db (host, user, db) VALUES ('%s', '%s', '%s')" % [
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name[:host], name[:user], name[:db],
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]
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end
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mysql_flush
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end
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end
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def destroy
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mysql "mysql", "-e", "REVOKE ALL ON '%s'.* FROM '%s@%s'" % [ @resource[:privileges], @resource[:database], @resource[:name], @resource[:host] ]
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end
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def row_exists?
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name = split_name(@resource[:name])
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fields = [:user, :host]
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if name[:type] == :db
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fields << :db
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end
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not mysql( "mysql", "-NBe", 'SELECT "1" FROM %s WHERE %s' % [ name[:type], fields.map do |f| "%s = '%s'" % [f, name[f]] end.join(' AND ')]).empty?
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end
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def all_privs_set?
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all_privs = case split_name(@resource[:name])[:type]
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when :user
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MYSQL_USER_PRIVS
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when :db
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MYSQL_DB_PRIVS
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end
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all_privs = all_privs.collect do |p| p.to_s end.sort.join("|")
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privs = privileges.collect do |p| p.to_s end.sort.join("|")
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all_privs == privs
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end
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def privileges
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name = split_name(@resource[:name])
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privs = ""
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case name[:type]
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when :user
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privs = mysql "mysql", "-Be", 'select * from user where user="%s" and host="%s"' % [ name[:user], name[:host] ]
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when :db
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privs = mysql "mysql", "-Be", 'select * from db where user="%s" and host="%s" and db="%s"' % [ name[:user], name[:host], name[:db] ]
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end
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if privs.match(/^$/)
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privs = [] # no result, no privs
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else
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# returns a line with field names and a line with values, each tab-separated
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privs = privs.split(/\n/).map! do |l| l.chomp.split(/\t/) end
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# transpose the lines, so we have key/value pairs
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privs = privs[0].zip(privs[1])
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privs = privs.select do |p| p[0].match(/_priv$/) and p[1] == 'Y' end
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end
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privs.collect do |p| symbolize(p[0].downcase) end
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end
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def privileges=(privs)
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unless row_exists?
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create_row
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end
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# puts "Setting privs: ", privs.join(", ")
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name = split_name(@resource[:name])
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stmt = ''
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where = ''
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all_privs = []
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case name[:type]
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when :user
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stmt = 'update user set '
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where = ' where user="%s" and host="%s"' % [ name[:user], name[:host] ]
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all_privs = MYSQL_USER_PRIVS
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when :db
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stmt = 'update db set '
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where = ' where user="%s" and host="%s"' % [ name[:user], name[:host] ]
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all_privs = MYSQL_DB_PRIVS
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end
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if privs[0] == :all
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privs = all_privs
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end
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# puts "stmt:", stmt
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set = all_privs.collect do |p| "%s = '%s'" % [p, privs.include?(p) ? 'Y' : 'N'] end.join(', ')
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# puts "set:", set
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stmt = stmt << set << where
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mysql "mysql", "-Be", stmt
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mysql_flush
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end
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end
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