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97 lines
3.2 KiB
Text
97 lines
3.2 KiB
Text
##! Configuration settings for the cluster controller.
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@load policy/frameworks/management/config
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@load policy/frameworks/management/types
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module Management::Controller;
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export {
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## The name of this controller. Defaults to the value of the
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## ZEEK_CONTROLLER_NAME environment variable. When that is unset and the
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## user doesn't redef the value, the implementation defaults to
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## "controller-<hostname>".
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const name = getenv("ZEEK_CONTROLLER_NAME") &redef;
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## The controller's stdout log name. If the string is non-empty, Zeek will
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## produce a free-form log (i.e., not one governed by Zeek's logging
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## framework) in Zeek's working directory. If left empty, no such log
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## results.
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##
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## Note that the controller also establishes a "proper" Zeek log via the
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## :zeek:see:`Management::Log` module.
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const stdout_file = "controller.stdout" &redef;
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## The controller's stderr log name. Like :zeek:see:`Management::Controller::stdout_file`,
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## but for the stderr stream.
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const stderr_file = "controller.stderr" &redef;
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## The network address the controller listens on. By default this uses
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## the value of the ZEEK_CONTROLLER_ADDR environment variable, but you
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## may also redef to a specific value. When empty, the implementation
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## falls back to :zeek:see:`Management::default_address`.
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const listen_address = getenv("ZEEK_CONTROLLER_ADDR") &redef;
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## The network port the controller listens on. Counterpart to
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## :zeek:see:`Management::Controller::listen_address`, defaulting to the
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## ZEEK_CONTROLLER_PORT environment variable.
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const listen_port = getenv("ZEEK_CONTROLLER_PORT") &redef;
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## The fallback listen port if :zeek:see:`Management::Controller::listen_port`
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## remains empty.
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const default_port = 2150/tcp &redef;
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## The controller's Broker topic. Clients send requests to this topic.
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const topic = "zeek/management/controller" &redef;
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## An optional custom output directory for stdout/stderr. Agent and
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## controller currently only log locally, not via the Zeek cluster's
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## logger node. This means that if both write to the same log file,
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## output gets garbled.
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const directory = "" &redef;
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## Returns the effective name of the controller.
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global get_name: function(): string;
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## Returns a :zeek:see:`Broker::NetworkInfo` record describing the controller.
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global network_info: function(): Broker::NetworkInfo;
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## Returns a :zeek:see:`Broker::EndpointInfo` record describing the controller.
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global endpoint_info: function(): Broker::EndpointInfo;
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}
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function get_name(): string
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{
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if ( name != "" )
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return name;
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return fmt("controller-%s", gethostname());
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}
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function network_info(): Broker::NetworkInfo
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{
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local ni: Broker::NetworkInfo;
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if ( Management::Controller::listen_address != "" )
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ni$address = Management::Controller::listen_address;
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else if ( Management::default_address != "" )
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ni$address = Management::default_address;
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else
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ni$address = "127.0.0.1";
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if ( Management::Controller::listen_port != "" )
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ni$bound_port = to_port(Management::Controller::listen_port);
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else
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ni$bound_port = Management::Controller::default_port;
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return ni;
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}
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function endpoint_info(): Broker::EndpointInfo
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{
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local epi: Broker::EndpointInfo;
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epi$id = Management::Controller::get_name();
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epi$network = network_info();
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return epi;
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}
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