control/discovery: add discovery controller

The discovery contrller implement the basic function. Use command "python3 -m control.discovery" to start discovery controller. Client can use command "nvme discover -t tcp -a ip -s port" to get log pages. The configuration is in ceph-nvmeof.conf [discovery] part. feature: ceph#108 Signed-off-by: Yin Congmin <congmin.yin@intel.com>
CongMinYin · Aug 29, 2023 · 0392363 · 0392363
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diff --git a/ceph-nvmeof.conf b/ceph-nvmeof.conf
@@ -18,6 +18,12 @@ state_update_interval_sec = 5
 #min_controller_id = 1
 #max_controller_id = 65519
 
+[discovery]
+
+addr =
+port = 8009
+debug = 20
+
 [ceph]
 pool = rbd
 config_file = /etc/ceph/ceph.conf