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Management framework: improve address and port handling

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The get-nodes command also benefits from showing the state on connected agents
more broadly (as opposed to just the one for the current configuration).

Also a bugfix: ensure we use an agent's IP address as seen by the
controller. This avoids reporting "0.0.0.0" in some cases.
This commit is contained in:
Christian Kreibich 2022-06-03 02:06:12 -07:00
parent 0c47d45bb9
commit c53044981a
1 changed files with 11 additions and 9 deletions
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20
scripts/policy/frameworks/management/controller/main.zeek
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@ -175,10 +175,15 @@ function add_instance(inst: Management::Instance)
if ( inst$name in g_instances_known )
{
# The agent has already peered with us. Send welcome to indicate
# it's part of cluster management. Once it responds, we update
# the set of ready instances and proceed as feasible with config
# deployments.
# The agent has already peered with us. This means we have its
# IP address as observed by us, so use it if this agent
# connected to us.
if ( ! inst?$listen_port )
inst$host = g_instances_known[inst$name]$host;
# Send welcome to indicate it's part of cluster management. Once
# it responds, we update the set of ready instances and proceed
# as feasible with config deployments.
local req = Management::Request::create();
@ -665,7 +670,7 @@ event Management::Controller::API::get_nodes_request(reqid: string)
Management::Log::info(fmt("rx Management::Controller::API::get_nodes_request %s", reqid));
# Special case: if we have no instances, respond right away.
if ( |g_instances| == 0 )
if ( |g_instances_known| == 0 )
{
Management::Log::info(fmt("tx Management::Controller::API::get_nodes_response %s", reqid));
local res = Management::Result($reqid=reqid, $success=F,
@ -678,11 +683,8 @@ event Management::Controller::API::get_nodes_request(reqid: string)
local req = Management::Request::create(reqid);
req$get_nodes_state = GetNodesState();
for ( name in g_instances )
for ( name in g_instances_known )
{
if ( name !in g_instances_ready )
next;
local agent_topic = Management::Agent::topic_prefix + "/" + name;
local areq = Management::Request::create();