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cluster: Move Broker connect logic into policy package

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Place a package into policy/frameworks/cluster/backend/broker and move
Broker's connection specific logic there.
This commit is contained in:
Arne Welzel 2025-09-25 10:10:17 +02:00
parent 2f15f5ce6a
commit 351bd7b81b
5 changed files with 165 additions and 130 deletions
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110
scripts/base/frameworks/cluster/setup-connections.zeek
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@ -3,63 +3,10 @@
@load ./main
@load ./pools
@load base/frameworks/broker
module Cluster;
export {
## This hook is called when the local node connects to other nodes based on
## the given cluster layout. Breaking from the hook will prevent connection
## establishment.
##
## connectee: The node to connect to.
global connect_node_hook: hook(connectee: NamedNode);
}
function connect_peer(node_type: NodeType, node_name: string)
{
local nn = nodes_with_type(node_type);
for ( i in nn )
{
local n = nn[i];
if ( n$name != node_name )
next;
if ( ! hook connect_node_hook(n) )
return;
local status = Broker::peer(cat(n$node$ip), n$node$p,
Cluster::retry_interval);
Cluster::log(fmt("initiate peering with %s:%s, retry=%s, status=%s",
n$node$ip, n$node$p, Cluster::retry_interval,
status));
return;
}
Reporter::warning(fmt("connect_peer: node '%s' (%s) not found", node_name, node_type));
}
function connect_peers_with_type(node_type: NodeType)
{
local nn = nodes_with_type(node_type);
for ( i in nn )
{
local n = nn[i];
if ( ! hook connect_node_hook(n) )
next;
local status = Broker::peer(cat(n$node$ip), n$node$p,
Cluster::retry_interval);
Cluster::log(fmt("initiate peering with %s:%s, retry=%s, status=%s",
n$node$ip, n$node$p, Cluster::retry_interval,
status));
}
}
event zeek_init() &priority=-10
event zeek_init() &priority=-5
{
if ( getenv("ZEEKCTL_CHECK_CONFIG") != "" )
return;
@ -98,59 +45,4 @@ event zeek_init() &priority=-10
Cluster::subscribe(nodeid_topic(Cluster::node_id()));
Cluster::subscribe(node_topic(node));
# Listening and connecting to other peers is broker specific,
# short circuit if Zeek is configured with a different
# cluster backend.
#
# In the future, this could move into a policy script, but
# for the time being it's easier for backwards compatibility
# to keep this here.
if ( Cluster::backend != Cluster::CLUSTER_BACKEND_BROKER )
return;
# Logging setup: Anything handling logging additionally subscribes
# to Broker::default_log_topic_prefix.
switch ( self$node_type ) {
case LOGGER:
Cluster::subscribe(Broker::default_log_topic_prefix);
break;
case MANAGER:
if ( Cluster::manager_is_logger )
Cluster::subscribe(Broker::default_log_topic_prefix);
break;
}
if ( self$p != 0/unknown )
{
Broker::listen(Broker::default_listen_address,
self$p,
Broker::default_listen_retry);
Cluster::log(fmt("listening on %s:%s", Broker::default_listen_address, self$p));
}
switch ( self$node_type ) {
case MANAGER:
connect_peers_with_type(LOGGER);
break;
case PROXY:
connect_peers_with_type(LOGGER);
if ( self?$manager )
connect_peer(MANAGER, self$manager);
break;
case WORKER:
connect_peers_with_type(LOGGER);
connect_peers_with_type(PROXY);
if ( self?$manager )
connect_peer(MANAGER, self$manager);
break;
}
}