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Management framework: allow agents to communicate with cluster nodes

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This provides Broker-level plumbing that allows agents to reach out to their
managed Zeek nodes and collect responses.

As a first event, it establishes Management::Node::API::notify_agent_hello,
to notify the agent when the cluster node is ready to communicate.

Also a bit of comment rewording to replace use of "data cluster" with simply
"cluster", to avoid ambiguity with data nodes in SumStats, and expansion of
test-all-policy.zeek and related/dependent tests, since we're introducing new
scripts.
This commit is contained in:
Christian Kreibich 2022-03-23 16:27:28 -07:00
parent d29160e9de
commit 337c7267e0
11 changed files with 100 additions and 15 deletions
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4
scripts/policy/frameworks/management/controller/main.zeek
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@ -386,10 +386,10 @@ event Management::Controller::API::set_configuration_request(reqid: string, conf
g_config_reqid_pending = req$id;
# Compare the instance configuration to our current one. If it matches,
# we can proceed to deploying the new data cluster topology. If it does
# we can proceed to deploying the new cluster topology. If it does
# not, we need to establish connectivity with agents we connect to, or
# wait until all instances that connect to us have done so. Either triggers
# a notify_agents_ready event, upon which we then deploy the data cluster.
# a notify_agents_ready event, upon which we then deploy the topology.
# The current & new set of instance names.
local insts_current: set[string];