Add CACHE_SIZE to setupVars (#3170)

* Update 01-pihole.conf

Signed-off-by: DoubleOhmSeven <57564379+DoubleOhmSeven@users.noreply.github.com>

* Update basic-install.sh

Signed-off-by: DoubleOhmSeven <57564379+DoubleOhmSeven@users.noreply.github.com>

Co-authored-by: DoubleOhmSeven <57564379+DoubleOhmSeven@users.noreply.github.com>

advanced/01-pihole.conf

@@ -34,7 +34,7 @@ server=@DNS2@
 
 interface=@INT@
 
-cache-size=10000
+cache-size=@CACHE_SIZE@
 
 log-queries
 log-facility=/var/log/pihole.log

automated install/basic-install.sh

@@ -82,6 +82,7 @@ IPV6_ADDRESS=${IPV6_ADDRESS}
 QUERY_LOGGING=true
 INSTALL_WEB_INTERFACE=true
 PRIVACY_LEVEL=0
+CACHE_SIZE=10000
 
 if [ -z "${USER}" ]; then
   USER="$(id -un)"
@@ -1429,7 +1430,10 @@ version_check_dnsmasq() {
         #
         sed -i '/^server=@DNS2@/d' "${dnsmasq_pihole_01_location}"
     fi
-
+	
+	# Set the cache size
+	sed -i "s/@CACHE_SIZE@/$CACHE_SIZE/" ${dnsmasq_pihole_01_location}
+   
     #
     sed -i 's/^#conf-dir=\/etc\/dnsmasq.d$/conf-dir=\/etc\/dnsmasq.d/' "${dnsmasq_conf}"
 
@@ -1954,7 +1958,7 @@ finalExports() {
     # If the setup variable file exists,
     if [[ -e "${setupVars}" ]]; then
         # update the variables in the file
-        sed -i.update.bak '/PIHOLE_INTERFACE/d;/IPV4_ADDRESS/d;/IPV6_ADDRESS/d;/PIHOLE_DNS_1/d;/PIHOLE_DNS_2/d;/QUERY_LOGGING/d;/INSTALL_WEB_SERVER/d;/INSTALL_WEB_INTERFACE/d;/LIGHTTPD_ENABLED/d;' "${setupVars}"
+        sed -i.update.bak '/PIHOLE_INTERFACE/d;/IPV4_ADDRESS/d;/IPV6_ADDRESS/d;/PIHOLE_DNS_1/d;/PIHOLE_DNS_2/d;/QUERY_LOGGING/d;/INSTALL_WEB_SERVER/d;/INSTALL_WEB_INTERFACE/d;/LIGHTTPD_ENABLED/d;/CACHE_SIZE/d;' "${setupVars}"
     fi
     # echo the information to the user
     {
@@ -1967,6 +1971,7 @@ finalExports() {
     echo "INSTALL_WEB_SERVER=${INSTALL_WEB_SERVER}"
     echo "INSTALL_WEB_INTERFACE=${INSTALL_WEB_INTERFACE}"
     echo "LIGHTTPD_ENABLED=${LIGHTTPD_ENABLED}"
+    echo "CACHE_SIZE=${CACHE_SIZE}"
     }>> "${setupVars}"
     chmod 644 "${setupVars}"