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The generation of weird events, by default, are now rate-limited according to these tunable options: - Weird::sampling_whitelist - Weird::sampling_threshold - Weird::sampling_rate - Weird::sampling_duration The new get_reporter_stats() BIF also allows one to query the total number of weirds generated (pre-sampling) which the new policy/misc/weird-stats.bro script uses periodically to populate a weird_stats.log. There's also new reporter BIFs to allow generating weirds from the script-layer such that they go through the same, internal rate-limiting/sampling mechanisms: - Reporter::conn_weird - Reporter::flow_weird - Reporter::net_weird Some of the code was adapted from previous work by Johanna Amann.
93 lines
2 KiB
Text
93 lines
2 KiB
Text
# @TEST-SERIALIZE: comm
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#
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# @TEST-EXEC: btest-bg-run manager-1 BROPATH=$BROPATH:.. CLUSTER_NODE=manager-1 bro %INPUT
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# @TEST-EXEC: btest-bg-run worker-1 BROPATH=$BROPATH:.. CLUSTER_NODE=worker-1 bro %INPUT
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# @TEST-EXEC: btest-bg-run worker-2 BROPATH=$BROPATH:.. CLUSTER_NODE=worker-2 bro %INPUT
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# @TEST-EXEC: btest-bg-wait 20
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# @TEST-EXEC: btest-diff manager-1/weird_stats.log
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@TEST-START-FILE cluster-layout.bro
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redef Cluster::nodes = {
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["manager-1"] = [$node_type=Cluster::MANAGER, $ip=127.0.0.1, $p=37757/tcp],
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["worker-1"] = [$node_type=Cluster::WORKER, $ip=127.0.0.1, $p=37760/tcp, $manager="manager-1", $interface="eth0"],
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["worker-2"] = [$node_type=Cluster::WORKER, $ip=127.0.0.1, $p=37761/tcp, $manager="manager-1", $interface="eth1"],
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};
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@TEST-END-FILE
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@load misc/weird-stats
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redef Cluster::retry_interval = 1sec;
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redef Broker::default_listen_retry = 1sec;
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redef Broker::default_connect_retry = 1sec;
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redef Log::enable_local_logging = T;
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redef Log::default_rotation_interval = 0secs;
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redef WeirdStats::weird_stat_interval = 5secs;
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event terminate_me()
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{
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terminate();
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}
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event Broker::peer_lost(endpoint: Broker::EndpointInfo, msg: string)
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{
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terminate();
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}
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event ready_again()
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{
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Reporter::net_weird("weird1");
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if ( Cluster::node == "worker-2" )
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{
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schedule 5secs { terminate_me() };
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}
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}
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event ready_for_data()
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{
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local n = 0;
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if ( Cluster::node == "worker-1" )
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{
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while ( n < 1000 )
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{
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Reporter::net_weird("weird1");
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++n;
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}
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Reporter::net_weird("weird3");
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}
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else if ( Cluster::node == "worker-2" )
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{
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while ( n < 1000 )
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{
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Reporter::net_weird("weird1");
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Reporter::net_weird("weird2");
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++n;
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}
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}
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schedule 5secs { ready_again() };
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}
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@if ( Cluster::local_node_type() == Cluster::MANAGER )
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event bro_init()
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{
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Broker::auto_publish(Cluster::worker_topic, ready_for_data);
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}
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global peer_count = 0;
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event Broker::peer_added(endpoint: Broker::EndpointInfo, msg: string)
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{
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++peer_count;
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if ( peer_count == 2 )
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event ready_for_data();
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}
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@endif
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