mgmtd: nb library for client front-end code

Signed-off-by: Christian Hopps <chopps@labn.net>

debian/frr.install

@@ -8,6 +8,7 @@ usr/bin/vtysh
 usr/lib/*/frr/libfrr.*
 usr/lib/*/frr/libfrrcares.*
 usr/lib/*/frr/libfrrospfapiclient.*
+usr/lib/*/frr/libmgmt_be_nb.*
 usr/lib/*/frr/modules/bgpd_bmp.so
 usr/lib/*/frr/modules/dplane_fpm_nl.so
 usr/lib/*/frr/modules/zebra_cumulus_mlag.so

mgmtd/subdir.am

@@ -14,6 +14,13 @@ clippy_scan += \
 	mgmtd/mgmt_vty.c \
 	# end
 
+lib_LTLIBRARIES += mgmtd/libmgmt_be_nb.la
+nodist_mgmtd_libmgmt_be_nb_la_SOURCES = \
+	# end
+mgmtd_libmgmt_be_nb_la_CFLAGS = $(AM_CFLAGS) -DINCLUDE_MGMTD_CMDDEFS_ONLY
+mgmtd_libmgmt_be_nb_la_CPPFLAGS = $(AM_CPPFLAGS) -DINCLUDE_MGMTD_CMDDEFS_ONLY
+mgmtd_libmgmt_be_nb_la_LDFLAGS = -version-info 0:0:0
+
 noinst_LIBRARIES += mgmtd/libmgmtd.a
 mgmtd_libmgmtd_a_SOURCES = \
 	mgmtd/mgmt.c \
@@ -52,3 +59,4 @@ mgmtd_mgmtd_SOURCES = \
 	# end
 mgmtd_mgmtd_CFLAGS = $(AM_CFLAGS) -I ./
 mgmtd_mgmtd_LDADD = mgmtd/libmgmtd.a lib/libfrr.la $(LIBCAP) $(LIBM) $(LIBYANG_LIBS) $(UST_LIBS)
+mgmtd_mgmtd_LDADD += mgmtd/libmgmt_be_nb.la

python/xref2vtysh.py

@@ -325,7 +325,17 @@ class CommandEntry:
     def load(cls, xref):
         nodes = NodeDict()
 
+        mgmtname = "mgmtd/libmgmt_be_nb.la"
         for cmd_name, origins in xref.get("cli", {}).items():
+            # If mgmtd has a yang version of a CLI command, make it the only daemon
+            # to handle it.  For now, daemons can still be compiling their cmds into the
+            # binaries to allow for running standalone with CLI config files. When they
+            # do this they will also be present in the xref file, but we want to ignore
+            # those in vtysh.
+            if "yang" in origins.get(mgmtname, {}).get("attrs", []):
+                CommandEntry.process(nodes, cmd_name, mgmtname, origins[mgmtname])
+                continue
+
             for origin, spec in origins.items():
                 CommandEntry.process(nodes, cmd_name, origin, spec)
         return nodes