re6stnet: build with geoip2 for new --same-country option

component/geoip2/buildout.cfg

+[libmaxminddb]
+recipe = slapos.recipe.cmmi
+location = ${buildout:parts-directory}/${:_buildout_section_name_}
+url = https://github.com/maxmind/libmaxminddb/releases/download/${:version}/libmaxminddb-${:version}.tar.gz
+version = 1.3.2
+md5sum = 67a861965b30d045bf29a2126bcc05ed
+
+[maxminddb-python]
+recipe = zc.recipe.egg:custom
+egg = maxminddb
+include-dirs =
+  ${libmaxminddb:location}/include
+library-dirs =
+  ${libmaxminddb:location}/lib
+rpath = ${:library-dirs}
+
+[geolite2-country]
+recipe = slapos.recipe.build:download-unpacked
+url = http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz
+md5sum = 5abb7465655c29709a287d83bd780169
+strip-top-level-dir = true

component/re6stnet/buildout.cfg

 [buildout]
 extends =
   ../babeld/buildout.cfg
+  ../geoip2/buildout.cfg
   ../openvpn/buildout.cfg
   ../python-cryptography/buildout.cfg
 
@@ -10,13 +11,15 @@ parts =
 [re6stnet]
 recipe = zc.recipe.egg
 eggs =
+  ${maxminddb-python:egg}
   ${python-cffi:egg}
   ${python-cryptography:egg}
   pyOpenSSL
-  re6stnet
+  re6stnet[geoip]
 
 # Note: For now original PATH is appended to the end, as not all tools are
 #       provided by SlapOS
 initialization =
   import os
-  os.environ['PATH'] = "${openvpn:location}/sbin:${babeld:location}/bin:${openssl:location}/bin:${python2.7:location}/bin:" + os.environ.get('PATH', '/bin:/sbin:/usr/bin/:/usr/local/sbin')
+  os.environ['GEOIP2_MMDB'] = "${geolite2-country:location}/GeoLite2-Country.mmdb"
+  os.environ['PATH'] = "${openvpn:location}/sbin:${babeld:location}/bin:${openssl:location}/bin:${python2.7:location}/bin:" + os.environ.get('PATH', '/usr/sbin:/usr/bin:/sbin:/bin')