Use jinja2 templates in rpzrecurse test

- Change ns2 header into jinja2 template.
- Keep the various ns2 config files as non-templates, same for the
  named.default.conf to be consistent.
- Symlink the ns2/named.default.conf as a jinja2 template to pick a
  starting config. It is rendered as a template to avoid an error when
  the test would overwrite a git-tracked file.
- Use jinja2 templates for the ns3 files, keep named1.conf around
  because it's needed later in the test to restore the config. Symlink
  it to `ns3/named.conf.j2` to select a default config.

(cherry picked from commit 16e9ac4710)

bin/tests/system/rpzrecurse/ns2/named.conf.j2

@@ -0,0 +1 @@
+named.default.conf

bin/tests/system/rpzrecurse/ns3/named.conf.j2

@@ -0,0 +1 @@
+named1.conf.j2

bin/tests/system/rpzrecurse/setup.sh

@@ -19,15 +19,6 @@ set -e
 
 $PERL testgen.pl
 
-copy_setports ns1/named.conf.in ns1/named.conf
-
-copy_setports ns2/named.conf.header.in ns2/named.conf.header
-copy_setports ns2/named.default.conf ns2/named.conf
-
-copy_setports ns3/named1.conf.in ns3/named.conf
-
-copy_setports ns4/named.conf.in ns4/named.conf
-
 touch dnsrps.conf
 touch dnsrps.cache
 

bin/tests/system/rpzrecurse/tests.sh

@@ -479,7 +479,7 @@ if [ "$MODE" = "native" ]; then
   echo_i "elapsed time $p1 seconds"
 
   $RNDC -c ../_common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush
-  copy_setports ns3/named2.conf.in ns3/named.conf
+  cp ns3/named2.conf ns3/named.conf
   nextpart ns3/named.run >/dev/null
   $RNDC -c ../_common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reload >/dev/null
   wait_for_log 20 "rpz: policy: reload done" ns3/named.run || ret=1
@@ -498,7 +498,7 @@ if [ "$MODE" = "native" ]; then
 
   $RNDC -c ../_common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush
   # restore original named.conf
-  copy_setports ns3/named1.conf.in ns3/named.conf
+  cp ns3/named1.conf ns3/named.conf
   nextpart ns3/named.run >/dev/null
   $RNDC -c ../_common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reload >/dev/null
   wait_for_log 20 "rpz: policy: reload done" ns3/named.run || ret=1
@@ -515,7 +515,7 @@ if [ "$MODE" = "native" ]; then
   echo_i "elapsed time $p1 seconds"
 
   $RNDC -c ../_common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush
-  copy_setports ns3/named3.conf.in ns3/named.conf
+  cp ns3/named3.conf ns3/named.conf
   nextpart ns3/named.run >/dev/null
   $RNDC -c ../_common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reload >/dev/null
   wait_for_log 20 "rpz: policy: reload done" ns3/named.run || ret=1