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efaa9ec3be
The supervisor now starts listening on the configured Broker default address and port when the new boolean SupervisorControl::enable_listen is T. Listening remains disabled by default. Listening allows nodes to communicate with the supervisor via the events laid out in control.zeek, to conduct further node management.
100 lines
2.5 KiB
Text
100 lines
2.5 KiB
Text
##! Implements Zeek process supervision API and default behavior for its
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##! associated (remote) control events.
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@load ./api
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@load ./control
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function Supervisor::status(node: string): Supervisor::Status
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{
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return Supervisor::__status(node);
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}
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function Supervisor::create(node: Supervisor::NodeConfig): string
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{
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return Supervisor::__create(node);
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}
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function Supervisor::destroy(node: string): bool
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{
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return Supervisor::__destroy(node);
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}
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function Supervisor::restart(node: string): bool
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{
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return Supervisor::__restart(node);
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}
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function Supervisor::is_supervisor(): bool
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{
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return Supervisor::__is_supervisor();
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}
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function Supervisor::is_supervised(): bool
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{
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return Supervisor::__is_supervised();
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}
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function Supervisor::node(): Supervisor::NodeConfig
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{
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return Supervisor::__node();
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}
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event zeek_init() &priority=10
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{
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if ( Supervisor::is_supervisor() && SupervisorControl::enable_listen )
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{
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Broker::listen(Broker::default_listen_address,
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Broker::default_port,
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Broker::default_listen_retry);
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}
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Broker::subscribe(SupervisorControl::topic_prefix);
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}
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event SupervisorControl::stop_request()
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{
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if ( ! Supervisor::is_supervisor() )
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return;
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terminate();
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}
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event SupervisorControl::status_request(reqid: string, node: string)
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{
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if ( ! Supervisor::is_supervisor() )
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return;
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local res = Supervisor::status(node);
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local topic = SupervisorControl::topic_prefix + fmt("/status_response/%s", reqid);
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Broker::publish(topic, SupervisorControl::status_response, reqid, res);
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}
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event SupervisorControl::create_request(reqid: string, node: Supervisor::NodeConfig)
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{
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if ( ! Supervisor::is_supervisor() )
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return;
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local res = Supervisor::create(node);
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local topic = SupervisorControl::topic_prefix + fmt("/create_response/%s", reqid);
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Broker::publish(topic, SupervisorControl::create_response, reqid, res);
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}
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event SupervisorControl::destroy_request(reqid: string, node: string)
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{
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if ( ! Supervisor::is_supervisor() )
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return;
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local res = Supervisor::destroy(node);
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local topic = SupervisorControl::topic_prefix + fmt("/destroy_response/%s", reqid);
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Broker::publish(topic, SupervisorControl::destroy_response, reqid, res);
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}
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event SupervisorControl::restart_request(reqid: string, node: string)
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{
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if ( ! Supervisor::is_supervisor() )
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return;
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local res = Supervisor::restart(node);
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local topic = SupervisorControl::topic_prefix + fmt("/restart_response/%s", reqid);
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Broker::publish(topic, SupervisorControl::restart_response, reqid, res);
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}
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