From 7afceb1e0e22422e09c868a7c6666e4dbf1064b0 Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Mon, 1 Apr 2019 18:35:06 +0200
Subject: Find installed OTP for Ubuntu
---
lib/common_test/src/test_server_node.erl | 103 ++++++++++++++++++++++++++++++-
1 file changed, 100 insertions(+), 3 deletions(-)
(limited to 'lib')
diff --git a/lib/common_test/src/test_server_node.erl b/lib/common_test/src/test_server_node.erl
index 0b406c54cc..ad6d7dea76 100644
--- a/lib/common_test/src/test_server_node.erl
+++ b/lib/common_test/src/test_server_node.erl
@@ -654,9 +654,19 @@ find_release({unix,linux}, Rel) ->
find_release(_, _) -> none.
find_rel_linux(Rel) ->
- case suse_release() of
- none -> [];
- SuseRel -> find_rel_suse(Rel, SuseRel)
+ try
+ case ubuntu_release() of
+ none -> none;
+ [UbuntuRel |_] -> throw(find_rel_ubuntu(Rel, UbuntuRel))
+ end,
+ case suse_release() of
+ none -> none;
+ SuseRel -> throw(find_rel_suse(Rel, SuseRel))
+ end,
+ []
+ catch
+ throw:Result ->
+ Result
end.
find_rel_suse(Rel, SuseRel) ->
@@ -733,6 +743,93 @@ suse_release(Fd) ->
end
end.
+find_rel_ubuntu(_Rel, UbuntuRel) when is_integer(UbuntuRel), UbuntuRel < 16 ->
+ [];
+find_rel_ubuntu(Rel, UbuntuRel) when is_integer(UbuntuRel) ->
+ Root = "/usr/local/otp/releases/ubuntu",
+ lists:foldl(fun (ChkUbuntuRel, Acc) ->
+ find_rel_ubuntu_aux1(Rel, Root++integer_to_list(ChkUbuntuRel))
+ ++ Acc
+ end,
+ [],
+ lists:seq(16, UbuntuRel)).
+
+find_rel_ubuntu_aux1(Rel, RootWc) ->
+ case erlang:system_info(wordsize) of
+ 4 ->
+ find_rel_ubuntu_aux2(Rel, RootWc++"_32");
+ 8 ->
+ find_rel_ubuntu_aux2(Rel, RootWc++"_64") ++
+ find_rel_ubuntu_aux2(Rel, RootWc++"_32")
+ end.
+
+find_rel_ubuntu_aux2(Rel, RootWc) ->
+ RelDir = filename:dirname(RootWc),
+ Pat = filename:basename(RootWc ++ "_" ++ Rel) ++ ".*",
+ case file:list_dir(RelDir) of
+ {ok,Dirs} ->
+ case lists:filter(fun(Dir) ->
+ case re:run(Dir, Pat, [unicode]) of
+ nomatch -> false;
+ _ -> true
+ end
+ end, Dirs) of
+ [] ->
+ [];
+ [R|_] ->
+ [filename:join([RelDir,R,"bin","erl"])]
+ end;
+ _ ->
+ []
+ end.
+
+ubuntu_release() ->
+ case file:open("/etc/lsb-release", [read]) of
+ {ok,Fd} ->
+ try
+ ubuntu_release(Fd, undefined, undefined)
+ after
+ file:close(Fd)
+ end;
+ {error,_} -> none
+ end.
+
+ubuntu_release(_Fd, DistrId, Rel) when DistrId /= undefined,
+ Rel /= undefined ->
+ Ubuntu = case DistrId of
+ "Ubuntu" -> true;
+ "ubuntu" -> true;
+ _ -> false
+ end,
+ case Ubuntu of
+ false -> none;
+ true -> Rel
+ end;
+ubuntu_release(Fd, DistroId, Rel) ->
+ case io:get_line(Fd, '') of
+ eof ->
+ none;
+ Line when is_list(Line) ->
+ case re:run(Line, "^DISTRIB_ID=(\\w+)$",
+ [{capture,all_but_first,list}]) of
+ {match,[NewDistroId]} ->
+ ubuntu_release(Fd, NewDistroId, Rel);
+ nomatch ->
+ case re:run(Line, "^DISTRIB_RELEASE=(\\d+(?:\\.\\d+)*)$",
+ [{capture,all_but_first,list}]) of
+ {match,[RelList]} ->
+ NewRel = lists:map(fun (N) ->
+ list_to_integer(N)
+ end,
+ string:lexemes(RelList, ".")),
+ ubuntu_release(Fd, DistroId, NewRel);
+ nomatch ->
+ ubuntu_release(Fd, DistroId, Rel)
+ end
+ end
+ end.
+
+
unpack(Bin) ->
{One,Term} = split_binary(Bin, 1),
case binary_to_list(One) of
--
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