mgmtd: Bringup MGMTD daemon and datastore module support

Features added in this commit:
1. Bringup/shutdown new management daemon 'mgmtd' along with FRR.
2. Support for Startup, Candidate and Running DBs.
3. Lock/Unlock DS feature using pthread lock.
4. Load config from a JSON file onto candidate DS.
5. Save config to a JSON file from running/candidate DS.
6. Dump candidate or running DS contents on the terminal or a file in
   JSON/XML format.
7. Maintaining commit history (Full rollback support to be added in
   future commits).
8. Addition of debug commands.

Co-authored-by: Yash Ranjan <ranjany@vmware.com>
Co-authored-by: Abhinay Ramesh <rabhinay@vmware.com>
Co-authored-by: Ujwal P <ujwalp@vmware.com>
Signed-off-by: Pushpasis Sarkar <pushpasis@gmail.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/pkgsrc/mgmtd.sh.in b/pkgsrc/mgmtd.sh.in
new file mode 100644
index 0000000000..fb57c0a2fb
--- /dev/null
+++ b/pkgsrc/mgmtd.sh.in
@@ -0,0 +1,44 @@
+#!/bin/sh
+#
+# mgmtd is part of the quagga routing beast
+#
+# PROVIDE: mgmtd
+# REQUIRE: none
+##
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin:@prefix@/sbin:@prefix@/bin
+export PATH
+
+if [ -f /etc/rc.subr ]
+then
+	. /etc/rc.subr
+fi
+
+name="mgmtd"
+rcvar=$name
+required_files="@sysconfdir@/${name}.conf"
+command="@prefix@/sbin/${name}"
+command_args="-d"
+
+start_precmd="zebra_precmd"
+socket_dir=@localstatedir@
+pidfile="${socket_dir}/${name}.pid"
+
+zebra_precmd()
+{
+    rc_flags="$(
+	set -- $rc_flags
+	while [ $# -ne 0 ]; do
+	    if [ X"$1" = X-P -o X"$1" = X-A ]; then
+		break
+	    fi
+	    shift
+	done
+	if [ $# -eq 0 ]; then
+	    echo "-P 0"
+	fi
+	) $rc_flags"
+}
+
+load_rc_config $name
+run_rc_command "$1"