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#!/usr/bin/env escript
%% -*- erlang -*-
% Licensed under the Apache License, Version 2.0 (the "License"); you may not
% use this file except in compliance with the License. You may obtain a copy of
% the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
% License for the specific language governing permissions and limitations under
% the License.
-record(daemon, {
port,
name,
cmd,
kill,
status=running,
cfg_patterns=[],
errors=[],
buf=[]
}).
config_files() ->
lists:map(fun test_util:build_file/1, [
"etc/couchdb/default_dev.ini"
]).
bad_perms() ->
test_util:source_file("test/etap/172-os-daemon-errors.1.sh").
die_on_boot() ->
test_util:source_file("test/etap/172-os-daemon-errors.2.sh").
die_quickly() ->
test_util:source_file("test/etap/172-os-daemon-errors.3.sh").
can_reboot() ->
test_util:source_file("test/etap/172-os-daemon-errors.4.sh").
main(_) ->
test_util:init_code_path(),
etap:plan(36),
case (catch test()) of
ok ->
etap:end_tests();
Other ->
etap:diag(io_lib:format("Test died abnormally: ~p", [Other])),
etap:bail(Other)
end,
ok.
test() ->
couch_config:start_link(config_files()),
couch_os_daemons:start_link(),
etap:diag("Daemon not executable."),
test_halts("foo", bad_perms(), 1000),
etap:diag("Daemon dies on boot."),
test_halts("bar", die_on_boot(), 1000),
etap:diag("Daemon dies quickly after boot."),
test_halts("baz", die_quickly(), 4000),
etap:diag("Daemon dies, but not quickly enough to be halted."),
test_runs("bam", can_reboot()),
ok.
test_halts(Name, Cmd, Time) ->
couch_config:set("os_daemons", Name, Cmd ++ " 2> /dev/null", false),
timer:sleep(Time),
{ok, [D]} = couch_os_daemons:info([table]),
check_dead(D, Name, Cmd),
couch_config:delete("os_daemons", Name, false).
test_runs(Name, Cmd) ->
couch_config:set("os_daemons", Name, Cmd, false),
timer:sleep(1000),
{ok, [D1]} = couch_os_daemons:info([table]),
check_daemon(D1, Name, Cmd, 0),
% Should reboot every two seconds. We're at 1s, so wait
% utnil 3s to be in the middle of the next invocation's
% life span.
timer:sleep(2000),
{ok, [D2]} = couch_os_daemons:info([table]),
check_daemon(D2, Name, Cmd, 1),
% If the kill command changed, that means we rebooted the process.
etap:isnt(D1#daemon.kill, D2#daemon.kill, "Kill command changed.").
check_dead(D, Name, Cmd) ->
BaseName = filename:basename(Cmd) ++ " 2> /dev/null",
BaseLen = length(BaseName),
CmdLen = length(D#daemon.cmd),
CmdName = lists:sublist(D#daemon.cmd, CmdLen-BaseLen+1, BaseLen),
etap:is(is_port(D#daemon.port), true, "Daemon port is a port."),
etap:is(D#daemon.name, Name, "Daemon name was set correctly."),
etap:is(CmdName, BaseName, "Command name was set correctly."),
etap:isnt(D#daemon.kill, undefined, "Kill command was set."),
etap:is(D#daemon.status, halted, "Daemon has been halted."),
etap:is(D#daemon.errors, nil, "Errors have been disabled."),
etap:is(D#daemon.buf, nil, "Buffer has been switched off.").
check_daemon(D, Name, Cmd, Errs) ->
BaseName = filename:basename(Cmd),
BaseLen = length(BaseName),
CmdLen = length(D#daemon.cmd),
CmdName = lists:sublist(D#daemon.cmd, CmdLen-BaseLen+1, BaseLen),
etap:is(is_port(D#daemon.port), true, "Daemon port is a port."),
etap:is(D#daemon.name, Name, "Daemon name was set correctly."),
etap:is(CmdName, BaseName, "Command name was set correctly."),
etap:isnt(D#daemon.kill, undefined, "Kill command was set."),
etap:is(D#daemon.status, running, "Daemon still running."),
etap:is(length(D#daemon.errors), Errs, "Found expected number of errors."),
etap:is(D#daemon.buf, [], "No extra data left in the buffer.").
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