From d92cf25f90a398c7f17466f804df020586cb2c1f Mon Sep 17 00:00:00 2001 From: Siri Hansen Date: Thu, 7 Jul 2011 10:58:57 +0200 Subject: Allow appup instruction delete_module module which is not loaded The appup instruction 'delete_module' would cause a crash during upgrade if the module to be deleted was not loaded. The reason was that the release_handler tried to read the version number of the old module after the code path had changed to point to the new version of the application. Thus, if the module had not been loaded before the upgrade, there would no longer be any such module in the path (delete_module indicates that the module is deleted from the new version of the application). This is corrected by letting the release_handler read the old version of the module only if the module is updated - not if it is removed. And it is always read before the code path is changed. --- .../test/release_handler_SUITE_data/Makefile.src | 28 +++++++++++----- .../test/release_handler_SUITE_data/lib/README | 9 +++++- .../lib/b-1.0/ebin/b.app | 7 ++++ .../lib/b-1.0/src/b_lib.erl | 3 ++ .../lib/b-1.0/src/b_server.erl | 37 ++++++++++++++++++++++ .../lib/b-2.0/ebin/b.app | 7 ++++ .../lib/b-2.0/ebin/b.appup | 3 ++ .../lib/b-2.0/src/b_lib.erl | 3 ++ .../lib/b-2.0/src/b_server.erl | 37 ++++++++++++++++++++++ 9 files changed, 125 insertions(+), 9 deletions(-) create mode 100644 lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/ebin/b.app create mode 100644 lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/src/b_lib.erl create mode 100644 lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/src/b_server.erl create mode 100644 lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/ebin/b.app create mode 100644 lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/ebin/b.appup create mode 100644 lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/src/b_lib.erl create mode 100644 lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/src/b_server.erl (limited to 'lib/sasl/test/release_handler_SUITE_data') diff --git a/lib/sasl/test/release_handler_SUITE_data/Makefile.src b/lib/sasl/test/release_handler_SUITE_data/Makefile.src index abaa08f810..a12e526d2e 100644 --- a/lib/sasl/test/release_handler_SUITE_data/Makefile.src +++ b/lib/sasl/test/release_handler_SUITE_data/Makefile.src @@ -1,16 +1,19 @@ EFLAGS=+debug_info P2B= \ - P2B/a-2.0/ebin/a.beam \ - P2B/a-2.0/ebin/a_sup.beam + P2B/a-2.0/ebin/a.@EMULATOR@ \ + P2B/a-2.0/ebin/a_sup.@EMULATOR@ LIB= \ - lib/a-1.2/ebin/a.beam \ - lib/a-1.2/ebin/a_sup.beam \ - lib/a-1.1/ebin/a.beam \ - lib/a-1.1/ebin/a_sup.beam \ - lib/a-1.0/ebin/a.beam \ - lib/a-1.0/ebin/a_sup.beam \ + lib/a-1.2/ebin/a.@EMULATOR@ \ + lib/a-1.2/ebin/a_sup.@EMULATOR@ \ + lib/a-1.1/ebin/a.@EMULATOR@ \ + lib/a-1.1/ebin/a_sup.@EMULATOR@ \ + lib/a-1.0/ebin/a.@EMULATOR@ \ + lib/a-1.0/ebin/a_sup.@EMULATOR@ \ + lib/b-1.0/ebin/b_server.@EMULATOR@ \ + lib/b-1.0/ebin/b_lib.@EMULATOR@ \ + lib/b-2.0/ebin/b_server.@EMULATOR@ APP= \ app1_app2/lib1/app1-1.0/ebin/app1_sup.@EMULATOR@ \ @@ -64,6 +67,15 @@ lib/a-1.2/ebin/a.@EMULATOR@: lib/a-1.2/src/a.erl lib/a-1.2/ebin/a_sup.@EMULATOR@: lib/a-1.2/src/a_sup.erl erlc $(EFLAGS) -olib/a-1.2/ebin lib/a-1.2/src/a_sup.erl +lib/b-1.0/ebin/b_server.@EMULATOR@: lib/b-1.0/src/b_server.erl + erlc $(EFLAGS) -olib/b-1.0/ebin lib/b-1.0/src/b_server.erl +lib/b-1.0/ebin/b_lib.@EMULATOR@: lib/b-1.0/src/b_lib.erl + erlc $(EFLAGS) -olib/b-1.0/ebin lib/b-1.0/src/b_lib.erl + +lib/b-2.0/ebin/b_server.@EMULATOR@: lib/b-2.0/src/b_server.erl + erlc $(EFLAGS) -olib/b-2.0/ebin lib/b-2.0/src/b_server.erl + + app1_app2/lib1/app1-1.0/ebin/app1_sup.@EMULATOR@: app1_app2/lib1/app1-1.0/src/app1_sup.erl erlc $(EFLAGS) -oapp1_app2/lib1/app1-1.0/ebin app1_app2/lib1/app1-1.0/src/app1_sup.erl diff --git a/lib/sasl/test/release_handler_SUITE_data/lib/README b/lib/sasl/test/release_handler_SUITE_data/lib/README index e539580ac0..667d21d4cf 100644 --- a/lib/sasl/test/release_handler_SUITE_data/lib/README +++ b/lib/sasl/test/release_handler_SUITE_data/lib/README @@ -6,4 +6,11 @@ can be upgraded to from a-1.0. Module a has changed a-1.2: can be upgraded to from a-1.1. -No module have changed, but priv dir is added including one 'file' \ No newline at end of file +No module have changed, but priv dir is added including one 'file' + +b-1.0: +start version, includes b_lib and b_server + +b-2.0: +can be upgraded to from b-1.0. +Removes b_lib and updates b_server diff --git a/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/ebin/b.app b/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/ebin/b.app new file mode 100644 index 0000000000..00347b2754 --- /dev/null +++ b/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/ebin/b.app @@ -0,0 +1,7 @@ +%% -*- erlang -*- +{application, b, + [{description, "B CXC 138 12"}, + {vsn, "1.0"}, + {modules, [{b_server, 1},{b_lib, 1}]}, + {registered, [b_server]}, + {applications, [kernel, stdlib]}]}. diff --git a/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/src/b_lib.erl b/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/src/b_lib.erl new file mode 100644 index 0000000000..7e8a308a5e --- /dev/null +++ b/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/src/b_lib.erl @@ -0,0 +1,3 @@ +-module(b_lib). +-compile(export_all). +foo() -> ok. diff --git a/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/src/b_server.erl b/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/src/b_server.erl new file mode 100644 index 0000000000..e1a80a076f --- /dev/null +++ b/lib/sasl/test/release_handler_SUITE_data/lib/b-1.0/src/b_server.erl @@ -0,0 +1,37 @@ +-module(b_server). + +-behaviour(gen_server). + +%% API +-export([start_link/0]). + +%% gen_server callbacks +-export([init/1, handle_call/3, handle_cast/2, handle_info/2, + terminate/2, code_change/3]). + +-define(SERVER, ?MODULE). + +-record(state, {}). + +start_link() -> + gen_server:start_link({local, ?SERVER}, ?MODULE, [], []). + +init([]) -> + {ok, #state{}}. + +handle_call(_Request, _From, State) -> + Reply = ok, + {reply, Reply, State}. + +handle_cast(_Msg, State) -> + {noreply, State}. + +handle_info(_Info, State) -> + {noreply, State}. + +terminate(_Reason, _State) -> + ok. + +code_change(OldVsn, State, Extra) -> + file:write_file("/tmp/b_server",io_lib:format("~p~n",[{"1.0",OldVsn,Extra}])), + {ok, State}. diff --git a/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/ebin/b.app b/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/ebin/b.app new file mode 100644 index 0000000000..73c8e42b32 --- /dev/null +++ b/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/ebin/b.app @@ -0,0 +1,7 @@ +%% -*- erlang -*- +{application, b, + [{description, "B CXC 138 12"}, + {vsn, "2.0"}, + {modules, [{b_server, 1}]}, + {registered, [b_server]}, + {applications, [kernel, stdlib]}]}. diff --git a/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/ebin/b.appup b/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/ebin/b.appup new file mode 100644 index 0000000000..d261a37732 --- /dev/null +++ b/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/ebin/b.appup @@ -0,0 +1,3 @@ +{"2.0", + [{"1.0",[{delete_module,b_lib}, {update,b_server,{advanced,[]}}]}], + [{"1.0",[{add_module,b_lib},{update,b_server,{advanced,[]}}]}]}. diff --git a/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/src/b_lib.erl b/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/src/b_lib.erl new file mode 100644 index 0000000000..7e8a308a5e --- /dev/null +++ b/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/src/b_lib.erl @@ -0,0 +1,3 @@ +-module(b_lib). +-compile(export_all). +foo() -> ok. diff --git a/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/src/b_server.erl b/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/src/b_server.erl new file mode 100644 index 0000000000..f8bfbdaff7 --- /dev/null +++ b/lib/sasl/test/release_handler_SUITE_data/lib/b-2.0/src/b_server.erl @@ -0,0 +1,37 @@ +-module(b_server). + +-behaviour(gen_server). + +%% API +-export([start_link/0]). + +%% gen_server callbacks +-export([init/1, handle_call/3, handle_cast/2, handle_info/2, + terminate/2, code_change/3]). + +-define(SERVER, ?MODULE). + +-record(state, {}). + +start_link() -> + gen_server:start_link({local, ?SERVER}, ?MODULE, [], []). + +init([]) -> + {ok, #state{}}. + +handle_call(_Request, _From, State) -> + Reply = ok, + {reply, Reply, State}. + +handle_cast(_Msg, State) -> + {noreply, State}. + +handle_info(_Info, State) -> + {noreply, State}. + +terminate(_Reason, _State) -> + ok. + +code_change(OldVsn, State, Extra) -> + file:write_file("/tmp/b_server",io_lib:format("~p~n",[{"2.0",OldVsn,Extra}])), + {ok, State}. -- cgit v1.2.3