diff options
Diffstat (limited to 'lib/snmp/test/snmp_to_snmpnet_SUITE.erl')
| -rw-r--r-- | lib/snmp/test/snmp_to_snmpnet_SUITE.erl | 261 |
1 files changed, 182 insertions, 79 deletions
diff --git a/lib/snmp/test/snmp_to_snmpnet_SUITE.erl b/lib/snmp/test/snmp_to_snmpnet_SUITE.erl index 3271b98ec3..fa92beb6b1 100644 --- a/lib/snmp/test/snmp_to_snmpnet_SUITE.erl +++ b/lib/snmp/test/snmp_to_snmpnet_SUITE.erl @@ -30,7 +30,7 @@ -define(AGENT_PORT, 4000). -define(MANAGER_PORT, 8989). -define(DEFAULT_MAX_MESSAGE_SIZE, 484). --define(SYS_DESC, "iso.3.6.1.2.1.1.1.0 = STRING: \"Erlang SNMP agent\"\n"). +-define(SYS_DESC, <<"iso.3.6.1.2.1.1.1.0 = STRING: \"Erlang SNMP agent\"">>). %%-------------------------------------------------------------------- %% Common Test interface functions ----------------------------------- @@ -97,23 +97,30 @@ init_per_group(ipv4, Config) -> | Config]; init_per_group(dual_ip, Config) -> - case ct:require(ipv6_hosts) of - ok -> - Dir = ?config(priv_dir, Config), - {ok, Host} = inet:gethostname(), - {ok, IPv4Addr} = inet:getaddr(Host, inet), - {ok, IPv6Addr} = inet:getaddr(Host, inet6), - Domain = snmpUDPDomain, - Transports = - [{Domain, {IPv4Addr, ?AGENT_PORT}}, - {transportDomainUdpIpv6, {IPv6Addr, ?AGENT_PORT}}], - TrapAddr = {IPv4Addr, 0}, - Versions = [v2], - agent_config(Dir, Transports, Domain, TrapAddr, Versions), - [{host, Host}, {port, ?AGENT_PORT}, {snmp_versions, Versions} - | Config]; - _ -> - {skip, "Host does not support IPV6"} + case os:find_executable("snmpget") of + false -> + {skip, "snmpget not found"}; + Path -> + case ct:require(ipv6_hosts) of + ok -> + Dir = ?config(priv_dir, Config), + {ok, Host} = inet:gethostname(), + {ok, IPv4Addr} = inet:getaddr(Host, inet), + {ok, IPv6Addr} = inet:getaddr(Host, inet6), + Domain = snmpUDPDomain, + Transports = + [{Domain, {IPv4Addr, ?AGENT_PORT}}, + {transportDomainUdpIpv6, {IPv6Addr, ?AGENT_PORT}}], + TrapAddr = {IPv4Addr, 0}, + Versions = [v2], + agent_config( + Dir, Transports, Domain, TrapAddr, Versions), + [{host, Host}, {port, ?AGENT_PORT}, + {snmp_versions, Versions}, + {snmpget, Path} | Config]; + _ -> + {skip, "Host does not support IPV6"} + end end; init_per_group(get, Config) -> @@ -121,8 +128,8 @@ init_per_group(get, Config) -> case os:find_executable("snmpget") of false -> {skip, "snmpget not found"}; - _ -> - Config + Path -> + [{snmpget, Path} | Config] end; init_per_group(inform, Config) -> @@ -130,8 +137,8 @@ init_per_group(inform, Config) -> case os:find_executable("snmptrapd") of false -> {skip, "snmptrapd not found"}; - _ -> - Config + Path -> + [{snmptrapd, Path} | Config] end; init_per_group(_, Config) -> Config. @@ -139,19 +146,32 @@ init_per_group(_, Config) -> end_per_group(_GroupName, Config) -> Config. -init_per_testcase(Case, Config) -> +init_per_testcase(_Case, Config) -> Dog = ct:timetrap(10000), - end_per_testcase(Case, Config), - application:start(snmp), - application:load(snmp), - application:set_env(snmp, agent, app_env(Case, Config)), - snmp:start_agent(normal), + application:stop(snmp), + application:unload(snmp), [{watchdog, Dog} | Config]. end_per_testcase(_, Config) -> - application:stop(snmp), + case application:stop(snmp) of + ok -> + ok; + E1 -> + ct:pal("application:stop(snmp) -> ~p", [E1]) + end, + case application:unload(snmp) of + ok -> + ok; + E2 -> + ct:pal("application:unload(snmp) -> ~p", [E2]) + end, Config. +start_agent(Config) -> + ok = application:load(snmp), + ok = application:set_env(snmp, agent, app_env(Config)), + ok = application:start(snmp). + %%-------------------------------------------------------------------- %% Test Cases -------------------------------------------------------- %%-------------------------------------------------------------------- @@ -160,42 +180,46 @@ erlang_agent_netsnmp_get() -> "from snmpnet manager"}]. erlang_agent_netsnmp_get(Config) when is_list(Config) -> - Host = ?config(host, Config), - Port = ?config(agent_port, Config), - IPVersion = ?config(ip_version, Config), - Versions = ?config(snmp_versions, Config), - - Cmd = "snmpget -c public " ++ net_snmp_version(Versions) ++ " " ++ - net_snmp_ip_version(IPVersion) ++ - Host ++ ":" ++ integer_to_list(Port) ++ - " " ++ oid_str(?sysDescr_instance), - net_snmp(Cmd, ?SYS_DESC). + start_agent(Config), + ?SYS_DESC = snmpget(oid_str(?sysDescr_instance), Config), + ok. %%-------------------------------------------------------------------- erlang_agent_dual_ip_get() -> [{doc,"Test that we can access erlang snmp agent from both " "snmpnet ipv4 and snmpnet ipv6 manager at the same time"}]. erlang_agent_dual_ip_get(Config) when is_list(Config) -> - erlang_agent_netsnmp_get([{ip_version, ipv4} | Config]), - erlang_agent_netsnmp_get([{ip_version, ipv6} | Config]). + start_agent(Config), + + OidStr = oid_str(?sysDescr_instance), + ?SYS_DESC = snmpget(OidStr, [{ip_version, ipv4} | Config]), + ?SYS_DESC = snmpget(OidStr, [{ip_version, ipv6} | Config]), + ok. + %%-------------------------------------------------------------------- erlang_agent_netsnmp_inform(Config) when is_list(Config) -> Host = ?config(host, Config), IPVersion = ?config(ip_version, Config), DataDir = ?config(data_dir, Config), + + start_agent(Config), ok = snmpa:load_mib( snmp_master_agent, filename:join(DataDir, "TestTrapv2")), - Cmd = "snmptrapd -L o -M " ++ DataDir ++ - " --disableAuthorization=yes" ++ - " --snmpTrapdAddr=" ++ net_snmp_ip_version(IPVersion) ++ - Host ++ ":" ++ integer_to_list(?config(manager_port, Config)), - - NetSnmpPort = net_snmp_trapd(Cmd), - snmpa:send_notification(snmp_master_agent, testTrapv22, - {erlang_agent_test, self()}), - net_snmp_log(NetSnmpPort), + SnmptrapdArgs = + ["-f", "-Lo", + "-M", DataDir, + "--disableAuthorization=yes", + "--snmpTrapdAddr=" ++ net_snmp_transport(IPVersion) ++ + Host ++ ":" ++ integer_to_list(?config(manager_port, Config))], + {ok, CheckMP} = re:compile("NET-SNMP version ", [anchored]), + ProgHandle = + start_program(snmptrapd, SnmptrapdArgs, CheckMP, Config), + + snmpa:send_notification( + snmp_master_agent, testTrapv22, {erlang_agent_test, self()}), + receive {snmp_targets, erlang_agent_test, Addresses} -> ct:pal("Notification sent to: ~p~n", [Addresses]) @@ -207,38 +231,116 @@ erlang_agent_netsnmp_inform(Config) when is_list(Config) -> {snmp_notification, erlang_agent_test, {no_response, _} = NoResponse} -> ct:fail(NoResponse) - end. + end, + + stop_program(ProgHandle). %%-------------------------------------------------------------------- %% Internal functions ------------------------------------------------ %%-------------------------------------------------------------------- -net_snmp(Cmd, Expect) -> - NetSnmpPort = open_port({spawn, Cmd}, [stderr_to_stdout]), - ct:pal("net_snmp started: ~s~n", [Cmd]), - receive - {NetSnmpPort, {data, Expect}} -> - ok; - Msg -> - ct:fail({{expected, {NetSnmpPort, {data, Expect}}}, - {got, Msg}}) - end, - catch erlang:port_close(NetSnmpPort). - -net_snmp_trapd(Cmd) -> - NetSnmpTrapdPort = open_port({spawn, Cmd}, [stderr_to_stdout]), - ct:pal("net_snmp_trapd started: ~s~n", [Cmd]), - NetSnmpTrapdPort. - -net_snmp_log(NetSnmpPort) -> - receive - {NetSnmpPort, {data, Data}} -> - ct:pal("Received from netsnmp: ~p~n", [Data]), - net_snmp_log(NetSnmpPort) - after 500 -> - catch erlang:port_close(NetSnmpPort) +snmpget(OidStr, Config) -> + Versions = ?config(snmp_versions, Config), + IPVersion = ?config(ip_version, Config), + Host = ?config(host, Config), + Port = ?config(agent_port, Config), + + Args = + ["-c", "public", net_snmp_version(Versions), + net_snmp_transport(IPVersion) ++ + Host ++ ":" ++ integer_to_list(Port), + OidStr], + ProgHandle = start_program(snmpget, Args, none, Config), + {_, line, Line} = get_program_output(ProgHandle), + stop_program(ProgHandle), + Line. + + +start_program(Prog, Args, StartCheckMP, Config) -> + Path = ?config(Prog, Config), + DataDir = ?config(data_dir, Config), + StartWrapper = filename:join(DataDir, "start_stop_wrapper"), + Parent = self(), + Pid = + spawn_link( + fun () -> + run_program(Parent, StartWrapper, [Path | Args]) + end), + start_check(Pid, erlang:monitor(process, Pid), StartCheckMP). + +start_check(Pid, Mon, none) -> + {Pid, Mon}; +start_check(Pid, Mon, StartCheckMP) -> + receive + {Pid, line, Line} -> + case re:run(Line, StartCheckMP, [{capture, none}]) of + match -> + {Pid, Mon}; + nomatch -> + start_check(Pid, Mon, StartCheckMP) + end; + {'DOWN', Mon, _, _, Reason} -> + ct:fail("Prog ~p start failed: ~p", [Pid, Reason]) + end. + +get_program_output({Pid, Mon}) -> + receive + {Pid, _, _} = Msg -> + Msg; + {'DOWN', Mon, _, _, Reason} -> + ct:fail("Prog ~p crashed: ~p", [Pid, Reason]) end. -app_env(_Case, Config) -> +stop_program({Pid, _} = Handle) -> + Pid ! {self(), stop}, + wait_program_stop(Handle). + +wait_program_stop({Pid, Mon}) -> + receive + {Pid, exit, ExitStatus} -> + receive + {'DOWN', Mon, _, _, _} -> + ExitStatus + end; + {'DOWN', Mon, _, _, Reason} -> + ct:fail("Prog stop: ~p", [Reason]) + end. + +run_program(Parent, StartWrapper, ProgAndArgs) -> + Port = + open_port( + {spawn_executable, StartWrapper}, + [{args, ProgAndArgs}, binary, stderr_to_stdout, {line, 80}, + exit_status]), + ct:pal("Prog ~p started: ~p", [Port, ProgAndArgs]), + run_program_loop(Parent, Port, []). + +run_program_loop(Parent, Port, Buf) -> + receive + {Parent, stop} -> + true = port_command(Port, <<"stop\n">>), + ct:pal("Prog ~p stop", [Port]), + run_program_loop(Parent, Port, Buf); + {Port, {data, {Flag, Data}}} -> + case Flag of + eol -> + Line = iolist_to_binary(lists:reverse(Buf, Data)), + ct:pal("Prog ~p output: ~s", [Port, Line]), + Parent ! {self(), line, Line}, + run_program_loop(Parent, Port, []); + noeol -> + run_program_loop(Parent, Port, [Data | Buf]) + end; + {Port, {exit_status,ExitStatus}} -> + ct:pal("Prog ~p exit: ~p", [Port, ExitStatus]), + catch port_close(Port), + Parent ! {self(), exit, ExitStatus}; + Unexpected -> + ct:pal("run_program_loop Unexpected: ~p", [Unexpected]), + run_program_loop(Parent, Port, Buf) + end. + + +app_env(Config) -> Dir = ?config(priv_dir, Config), Vsns = ?config(snmp_versions, Config), [{versions, Vsns}, @@ -249,7 +351,7 @@ app_env(_Case, Config) -> {dir, Dir}, {size, {10240, 10}}]}, {config, [{dir, Dir}, - {force_load, false}, + {force_load, true}, {verbosity, trace}]}, {local_db, [{repair, true}, {verbosity, silence}]}, @@ -288,7 +390,8 @@ net_snmp_version([v2 | _]) -> "-v2c"; net_snmp_version([v1 | _]) -> "-v1". -net_snmp_ip_version(ipv4) -> + +net_snmp_transport(ipv4) -> "udp:"; -net_snmp_ip_version(ipv6) -> +net_snmp_transport(ipv6) -> "udp6:". |