slapos-testing: add re6stnet tests

use unshare to create new user-root namesapce to have the perrmission to
create network device, use mount to update files information of network
device in /sys(nemu)
test use iptables to manage route condition, miniupnpd to manage upnp,
brctl(nemu) to create bridge, so add them in component.

add openvpn, add babel, modify ovpn-client/server

software/slapos-testing/buildout.hash.cfg

@@ -15,4 +15,4 @@
 
 [template]
 filename = instance.cfg
-md5sum = 3112bf86fa543df52548a551f5413f99
+md5sum = 446cbfe05097bf03f6b4de742fa8ab28

software/slapos-testing/instance.cfg

@@ -87,12 +87,26 @@ repository = ${slapos.rebootstrap-repository:location}
 <= download-source
 repository = ${rubygemsrecipe-repository:location}
 
+[re6stnet]
+<= download-source
+repository = ${re6stnet-repository:location}
+
+[re6stnet-test-runner]
+recipe = slapos.recipe.template:jinja2
+template = inline:#!/bin/sh
+  #change #!/usr/bin/python2 -> #!/real_python_path/bin/python2
+  sed '1s?/usr/bin/python2?${python2.7:location}/bin/python2?' -i ${re6stnet-repository:location}/re6st/ovpn-*
+  # update files in /sys/class/net
+  mount -t sysfs sysfs /sys
+
+  python -m unittest discover -v
+rendered = $${re6stnet:location}/test-runner.sh
 
 [slapos-test-runner-nxdtest-environment.sh]
 recipe = slapos.recipe.template
 output = $${create-directory:etc}/$${:_buildout_section_name_}
 inline =
-  export PATH=${coreutils:location}/bin:${curl:location}/bin:${openssl:location}/bin:${jq:location}/bin:${sed:location}/bin:${grep:location}/bin:${git:location}/bin:${libxslt:location}/bin:${socat:location}/bin:${lmsensors:location}/bin:${rsync:location}/bin/:${buildout:bin-directory}:$PATH
+  export PATH=${coreutils:location}/bin:${curl:location}/bin:${openssl:location}/bin:${jq:location}/bin:${sed:location}/bin:${grep:location}/bin:${git:location}/bin:${libxslt:location}/bin:${socat:location}/bin:${lmsensors:location}/bin:${rsync:location}/bin/:${iptables:location}/sbin:${miniupnpd:location}/usr/sbin:${brctl:location}/sbin:${openvpn:location}/sbin:${babeld:location}/bin:${buildout:bin-directory}:$PATH
   export SLAPOS_TEST_IPV4=$${slap-configuration:ipv4-random}
   export SLAPOS_TEST_IPV6=$${slap-configuration:ipv6-random}
   export SLAPOS_TEST_EGGS_DIRECTORY=$${buildout:eggs-directory}
@@ -199,6 +213,13 @@ inline =
       cwd="""$${rubygemsrecipe:location}""",
       summaryf=UnitTest.summary,
   )
+  TestCase(
+      "re6stnet",
+      ['unshare', '-Umnr', '$${re6stnet-test-runner:rendered}'],
+      cwd="""$${re6stnet:location}/re6st/tests""",
+      summaryf=UnitTest.summary,
+  )
+
 
 [runTestSuite]
 env.sh = $${slapos-test-runner-nxdtest-environment.sh:output}

software/slapos-testing/software.cfg

@@ -19,6 +19,11 @@ extends =
   ../../component/userhosts/buildout.cfg
   ../../component/postgresql/buildout.cfg
   ../../component/psycopg2/buildout.cfg
+  ../../component/nftables/buildout.cfg
+  ../../component/miniupnpd/buildout.cfg
+  ../../component/openvpn/buildout.cfg
+  ../../component/babeld/buildout.cfg
+  ../../component/bridge-utils/buildout.cfg
   ../../stack/slapos.cfg
   ../../stack/caucase/buildout.cfg
   ../../stack/nxdtest.cfg
@@ -116,6 +121,11 @@ setup = ${slapos.rebootstrap-repository:location}
 egg = rubygemsrecipe[test]
 setup = ${rubygemsrecipe-repository:location}
 
+[re6stnet-setup]
+<= setup-develop-egg
+egg = re6stnet[test]
+setup = ${re6stnet-repository:location}
+
 [eggs]
 <= python-interpreter
 eggs +=
@@ -140,8 +150,10 @@ eggs +=
   ${slapcache-setup:egg}
   ${slapos.rebootstrap-setup:egg}
   ${rubygemsrecipe-setup:egg}
+  ${re6stnet-setup:egg}
   zope.testing
   supervisor
+  pathlib2
 
 [eggs/scripts]
 recipe = zc.recipe.egg
@@ -215,6 +227,10 @@ repository = https://lab.nexedi.com/nexedi/slapos.rebootstrap.git
 <= git-clone-repository
 repository = https://lab.nexedi.com/nexedi/rubygemsrecipe.git
 
+[re6stnet-repository]
+<= git-clone-repository
+repository = https://lab.nexedi.com/nexedi/re6stnet.git
+
 [template]
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/${:filename}
@@ -260,3 +276,8 @@ urllib3 = 1.24.1
 pathlib = 1.0.1
 psycopg2 = 2.8.6
 iniparse = 0.5
+miniupnpc = 1.9
+python-passfd = 0.2
+python-unshare = 0.2
+nemu = 0.3.1
+multiping = 1.1.2