dnsmasq persist lease

Inititial Commit

vyatta-cfg-dhcp-server.patch/DEBIAN/control

@@ -0,0 +1,9 @@
+Package: vyatta-cfg-dhcp-server.patch
+Version: 1.0-2
+Section: base
+Priority: optional
+Architecture: all
+Depends: vyatta-cfg-dhcp-server
+Maintainer: Steven Myers <[email protected]>
+Description: Patch dnsmasq with optional static lease file
+

vyatta-cfg-dhcp-server.patch/DEBIAN/postinst

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+#!/bin/bash
+chksrv="systemctl is-active --quiet dnsmasq"
+if $chksrv; then exit 1; else systemctl start dnsmasq; fi
+exit 0

vyatta-cfg-dhcp-server.patch/DEBIAN/postrm

@@ -0,0 +1,3 @@
+#!/bin/bash
+file="/opt/vyatta/sbin/dnsmasq-dhcp-config.pl"
+dpkg-divert --remove --package vyatta-cfg-dhcp-server.patch --rename $file

vyatta-cfg-dhcp-server.patch/DEBIAN/preinst

@@ -0,0 +1,18 @@
+#!/bin/bash
+# vyatta-cfg-dhcp-server.patch
+# Checks for valid check sum and proceeds with install
+file="/opt/vyatta/sbin/dnsmasq-dhcp-config.pl"
+fileold="/opt/vyatta/sbin/dnsmasq-dhcp-config.pl.old"
+sum="dae0b9fa8b6e0f52712746830a2029cb"
+chksrv="systemctl is-active --quiet dnsmasq"
+md5=($(md5sum $file))
+[ ! -f "$file" ] && exit 1
+if [ $md5 == $sum ]; then
+ if $chksrv; then systemctl stop dnsmasq; fi
+ dpkg-divert --add --package vyatta-cfg-dhcp-server.patch --rename --divert $fileold $file
+ echo "ok"
+ exit 0
+else
+ echo "no file"
+ exit 1
+fi