From 2162c7f0f1e9abab7126a0606172ae97deaba44d Mon Sep 17 00:00:00 2001
From: Peter Andersson Common Test Framework functions for starting and stopping nodes for
+ Common Test Framework functions for starting and stopping nodes for
Large Scale Testing. This module exports functions which are used by the Common Test Master
to start and stop "slave" nodes. It is the default callback module for the
Starts an Erlang node with name
Options
A list of functions specified in the
The timeouts are applied as follows:
Option
Option
Option
Special return values are:
Node
on the local host.
%%% @see start/3
-start(Node)->
+start(Node) ->
start(gethostname(), Node).
%%%-----------------------------------------------------------------
@@ -70,7 +70,7 @@ start(Node)->
%%% @doc Starts an Erlang node with name Node
on host
%%% Host
with the default options.
%%% @see start/3
-start(Host, Node)->
+start(Host, Node) ->
start(Host, Node, []).
%%%-----------------------------------------------------------------
@@ -163,7 +163,7 @@ start(Host, Node)->
%%% NodeName
is the name of current node in this case.
%%%
%%%
-start(Host, Node, Options)->
+start(Host, Node, Options) ->
ENode = enodename(Host, Node),
case erlang:is_alive() of
false->
@@ -189,7 +189,7 @@ start(Host, Node, Options)->
%%% NodeName = atom()
%%% @doc Stops the running Erlang node with name Node
on
%%% the localhost.
-stop(Node)->
+stop(Node) ->
stop(gethostname(), Node).
%%% @spec stop(Host, Node) -> Result
@@ -202,7 +202,7 @@ stop(Node)->
%%% NodeName = atom()
%%% @doc Stops the running Erlang node with name Node
on
%%% host Host
.
-stop(Host, Node)->
+stop(Host, Node) ->
ENode = enodename(Host, Node),
case is_started(ENode) of
{true, connected}->
@@ -214,7 +214,7 @@ stop(Host, Node)->
end.
%%% fetch an option value from the tagged tuple list with default
-get_option_value(Key, OptionList, Default)->
+get_option_value(Key, OptionList, Default) ->
case lists:keyfind(Key, 1, OptionList) of
false->
Default;
@@ -223,7 +223,7 @@ get_option_value(Key, OptionList, Default)->
end.
%%% convert option list to the option record, fill all defaults
-fetch_options(Options)->
+fetch_options(Options) ->
UserName = get_option_value(username, Options, []),
Password = get_option_value(password, Options, []),
BootTimeout = get_option_value(boot_timeout, Options, 3),
@@ -240,23 +240,23 @@ fetch_options(Options)->
% send a message when slave node is started
% @hidden
-slave_started(ENode, MasterPid)->
+slave_started(ENode, MasterPid) ->
MasterPid ! {node_started, ENode},
ok.
% send a message when slave node has finished startup
% @hidden
-slave_ready(ENode, MasterPid)->
+slave_ready(ENode, MasterPid) ->
MasterPid ! {node_ready, ENode},
ok.
% start monitoring of the master node
% @hidden
-monitor_master(MasterNode)->
- spawn(fun()->monitor_master_int(MasterNode) end).
+monitor_master(MasterNode) ->
+ spawn(fun() -> monitor_master_int(MasterNode) end).
% code of the masterdeath-waiter process
-monitor_master_int(MasterNode)->
+monitor_master_int(MasterNode) ->
erlang:monitor_node(MasterNode, true),
receive
{nodedown, MasterNode}->
@@ -264,11 +264,11 @@ monitor_master_int(MasterNode)->
end.
% check if node is listed in the nodes()
-is_connected(ENode)->
+is_connected(ENode) ->
[N||N<-nodes(), N==ENode] == [ENode].
% check if node is alive (ping and disconnect if pingable)
-is_started(ENode)->
+is_started(ENode) ->
case is_connected(ENode) of
true->
{true, connected};
@@ -283,11 +283,11 @@ is_started(ENode)->
end.
% make a Erlang node name from name and hostname
-enodename(Host, Node)->
+enodename(Host, Node) ->
list_to_atom(atom_to_list(Node)++"@"++atom_to_list(Host)).
% performs actual start of the "slave" node
-do_start(Host, Node, Options)->
+do_start(Host, Node, Options) ->
ENode = enodename(Host, Node),
Functions =
lists:concat([[{ct_slave, slave_started, [ENode, self()]}],
@@ -338,7 +338,7 @@ do_start(Host, Node, Options)->
Result.
% are we using fully qualified hostnames
-long_or_short()->
+long_or_short() ->
case net_kernel:longnames() of
true->
" -name ";
@@ -347,7 +347,7 @@ long_or_short()->
end.
% get the localhost's name, depending on the using name policy
-gethostname()->
+gethostname() ->
Hostname = case net_kernel:longnames() of
true->
net_adm:localhost();
@@ -358,19 +358,19 @@ gethostname()->
list_to_atom(Hostname).
% get cmd for starting Erlang
-get_cmd(Node, Flags)->
+get_cmd(Node, Flags) ->
Cookie = erlang:get_cookie(),
"erl -detached -noinput -setcookie "++ atom_to_list(Cookie) ++
long_or_short() ++ atom_to_list(Node) ++ " " ++ Flags.
% spawn node locally
-spawn_local_node(Node, Options)->
+spawn_local_node(Node, Options) ->
ErlFlags = Options#options.erl_flags,
Cmd = get_cmd(Node, ErlFlags),
open_port({spawn, Cmd}, [stream]).
% start crypto and ssh if not yet started
-check_for_ssh_running()->
+check_for_ssh_running() ->
case application:get_application(crypto) of
undefined->
application:start(crypto),
@@ -385,7 +385,7 @@ check_for_ssh_running()->
end.
% spawn node remotely
-spawn_remote_node(Host, Node, Options)->
+spawn_remote_node(Host, Node, Options) ->
Username = Options#options.username,
Password = Options#options.password,
ErlFlags = Options#options.erl_flags,
@@ -403,16 +403,16 @@ spawn_remote_node(Host, Node, Options)->
ssh_connection:exec(SSHConnRef, SSHChannelId, get_cmd(Node, ErlFlags), infinity).
% call functions on a remote Erlang node
-call_functions(_Node, [])->
+call_functions(_Node, []) ->
ok;
-call_functions(Node, [{M, F, A}|Functions])->
+call_functions(Node, [{M, F, A}|Functions]) ->
rpc:call(Node, M, F, A),
call_functions(Node, Functions).
% wait N seconds until node is pingable
-wait_for_node_alive(_Node, 0)->
+wait_for_node_alive(_Node, 0) ->
pang;
-wait_for_node_alive(Node, N)->
+wait_for_node_alive(Node, N) ->
timer:sleep(1000),
case net_adm:ping(Node) of
pong->
@@ -422,14 +422,14 @@ wait_for_node_alive(Node, N)->
end.
% call init:stop on a remote node
-do_stop(ENode)->
+do_stop(ENode) ->
spawn(ENode, init, stop, []),
wait_for_node_dead(ENode, 5).
% wait N seconds until node is disconnected
-wait_for_node_dead(Node, 0)->
+wait_for_node_dead(Node, 0) ->
{error, stop_timeout, Node};
-wait_for_node_dead(Node, N)->
+wait_for_node_dead(Node, N) ->
timer:sleep(1000),
case lists:member(Node, nodes()) of
true->
diff --git a/lib/common_test/test/ct_master_SUITE.erl b/lib/common_test/test/ct_master_SUITE.erl
index 87e2c3049a..e0e1f93db2 100644
--- a/lib/common_test/test/ct_master_SUITE.erl
+++ b/lib/common_test/test/ct_master_SUITE.erl
@@ -101,7 +101,7 @@ make_spec(DataDir, FileName, NodeNames, Suites, Config)->
NS = lists:map(fun(NodeName)->
{init, NodeName, [
- {node_start, [{startup_functions, []}, {monitor_master, false}]},
+ {node_start, [{startup_functions, []}, {monitor_master, true}]},
{eval, {erlang, nodes, []}}
]
}
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