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Management framework: trivial changes and comment-only rewording

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This commit is contained in:
Christian Kreibich 2022-06-14 14:40:56 -07:00
parent 4deacefa4c
commit 3ac5fdfc59
3 changed files with 19 additions and 19 deletions
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18
scripts/policy/frameworks/management/controller/api.zeek
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@ -1,7 +1,7 @@
##! The event API of cluster controllers. Most endpoints consist of event pairs, ##! The event API of cluster controllers. Most endpoints consist of event pairs,
##! where the controller answers a zeek-client request event with a ##! where the controller answers the client's request event with a corresponding
##! corresponding response event. Such event pairs share the same name prefix ##! response event. Such event pairs share the same name prefix and end in
##! and end in "_request" and "_response", respectively. ##! "_request" and "_response", respectively.
@load policy/frameworks/management/types @load policy/frameworks/management/types
@ -9,11 +9,11 @@ module Management::Controller::API;
export { export {
## A simple versioning scheme, used to track basic compatibility of ## A simple versioning scheme, used to track basic compatibility of
## controller, agents, and zeek-client. ## controller, agents, and the client.
const version = 1; const version = 1;
## zeek-client sends this event to request a list of the currently ## The client sends this event to request a list of the currently
## peered agents/instances. ## peered agents/instances.
## ##
## reqid: a request identifier string, echoed in the response event. ## reqid: a request identifier string, echoed in the response event.
@ -32,7 +32,7 @@ export {
result: Management::Result); result: Management::Result);
## zeek-client sends this event to establish a new cluster configuration, ## The client sends this event to establish a new cluster configuration,
## including the full cluster topology. The controller processes the update ## including the full cluster topology. The controller processes the update
## and relays it to the agents. Once each has responded (or a timeout occurs) ## and relays it to the agents. Once each has responded (or a timeout occurs)
## the controller sends a corresponding response event back to the client. ## the controller sends a corresponding response event back to the client.
@ -57,7 +57,7 @@ export {
result: Management::ResultVec); result: Management::ResultVec);
## zeek-client sends this event to retrieve the currently deployed ## The client sends this event to retrieve the currently deployed
## cluster configuration. ## cluster configuration.
## ##
## reqid: a request identifier string, echoed in the response event. ## reqid: a request identifier string, echoed in the response event.
@ -78,7 +78,7 @@ export {
result: Management::Result); result: Management::Result);
## zeek-client sends this event to request a list of ## The client sends this event to request a list of
## :zeek:see:`Management::NodeStatus` records that capture ## :zeek:see:`Management::NodeStatus` records that capture
## the status of Supervisor-managed nodes running on the cluster's ## the status of Supervisor-managed nodes running on the cluster's
## instances. ## instances.
@ -102,7 +102,7 @@ export {
result: Management::ResultVec); result: Management::ResultVec);
## zeek-client sends this event to retrieve the current value of a ## The client sends this event to retrieve the current value of a
## variable in Zeek's global namespace, referenced by the given ## variable in Zeek's global namespace, referenced by the given
## identifier (i.e., variable name). The controller asks all agents ## identifier (i.e., variable name). The controller asks all agents
## to retrieve this value from each cluster node, accumulates the ## to retrieve this value from each cluster node, accumulates the

18
scripts/policy/frameworks/management/controller/main.zeek
View file

@ -91,7 +91,7 @@ global drop_instance: function(inst: Management::Instance);
# Helpers to simplify handling of config records. # Helpers to simplify handling of config records.
global null_config: function(): Management::Configuration; global null_config: function(): Management::Configuration;
global is_null_config: function(config: Management::Configuration): bool; global config_is_null: function(config: Management::Configuration): bool;
# Returns list of names of nodes in the given configuration that require a # Returns list of names of nodes in the given configuration that require a
# listening port. Returns empty list if the config has no such nodes. # listening port. Returns empty list if the config has no such nodes.
@ -505,7 +505,7 @@ function find_endpoint(id: string): Broker::EndpointInfo
return Broker::EndpointInfo($id=""); return Broker::EndpointInfo($id="");
} }
function is_null_config(config: Management::Configuration): bool function config_is_null(config: Management::Configuration): bool
{ {
return config$id == ""; return config$id == "";
} }
@ -654,7 +654,6 @@ event Management::Agent::API::agent_welcome_response(reqid: string, result: Mana
# An agent we've been waiting to hear back from is ready for cluster # An agent we've been waiting to hear back from is ready for cluster
# work. Double-check we still want it, otherwise drop it. # work. Double-check we still want it, otherwise drop it.
if ( ! result$success || result$instance !in g_instances ) if ( ! result$success || result$instance !in g_instances )
{ {
Management::Log::info(fmt( Management::Log::info(fmt(
@ -897,7 +896,7 @@ event Management::Controller::API::get_configuration_request(reqid: string)
local res = Management::Result($reqid=reqid); local res = Management::Result($reqid=reqid);
if ( is_null_config(g_config_current) ) if ( config_is_null(g_config_current) )
{ {
# We don't have a live configuration yet. # We don't have a live configuration yet.
res$success = F; res$success = F;
@ -1247,11 +1246,12 @@ event zeek_init()
# set_configuration request. # set_configuration request.
g_config_current = null_config(); g_config_current = null_config();
# The controller always listens -- it needs to be able to respond to the # The controller always listens: it needs to be able to respond to
# Zeek client. This port is also used by the agents if they connect to # clients connecting to it, as well as agents if they connect to the
# the client. The client doesn't automatically establish or accept # controller. The controller does not automatically connect to any
# connectivity to agents: agents are defined and communicated with as # agents; instances with listening agents are conveyed to the controller
# defined via configurations defined by the client. # via configurations uploaded by a client, with connections established
# upon deployment.
local cni = Management::Controller::network_info(); local cni = Management::Controller::network_info();