test: telnet to quagga from local network namespace

this is preparation for parallel execution of scenario tests

Signed-off-by: ISHIDA Wataru <ishida.wataru@lab.ntt.co.jp>

3 files changed, 12 insertions, 11 deletions

diff --git a/test/scenario_test/lib/base.py b/test/scenario_test/lib/base.py
index 66e610d9..721e1c1d 100644
--- a/test/scenario_test/lib/base.py
+++ b/test/scenario_test/lib/base.py
@@ -171,6 +171,12 @@ class Container(object):
     def local(self, cmd):
         return local("docker exec -it {0} {1}".format(self.name, cmd))
 
+    def get_pid(self):
+        if self.is_running:
+            cmd = "docker inspect -f '{{.State.Pid}}' " + self.name
+            return int(local(cmd, capture=True))
+        return -1
+
 
 class BGPContainer(Container):
 
diff --git a/test/scenario_test/lib/quagga.py b/test/scenario_test/lib/quagga.py
index 5141ff7d..0346768f 100644
--- a/test/scenario_test/lib/quagga.py
+++ b/test/scenario_test/lib/quagga.py
@@ -15,6 +15,7 @@
 
 from base import *
 import telnetlib
+from nsenter import Namespace
 
 
 class QuaggaTelnetDaemon(object):
@@ -22,19 +23,11 @@ class QuaggaTelnetDaemon(object):
     TELNET_PORT = 2605
 
     def __init__(self, ctn):
-        ip_addr = None
-        for _, ip_addr, br in ctn.ip_addrs:
-            if br.ip_addr:
-                break
-
-        if not ip_addr:
-            Exception('quagga telnet daemon {0}'
-                      ' is not ip reachable'.format(self.name))
-
-        self.host = ip_addr.split('/')[0]
+        self.ns = Namespace(ctn.get_pid(), 'net')
 
     def __enter__(self):
-        self.tn = telnetlib.Telnet(self.host, self.TELNET_PORT)
+        self.ns.__enter__()
+        self.tn = telnetlib.Telnet('127.0.0.1', self.TELNET_PORT)
         self.tn.read_until("Password: ")
         self.tn.write(self.TELNET_PASSWORD + "\n")
         self.tn.write("enable\n")
@@ -43,6 +36,7 @@ class QuaggaTelnetDaemon(object):
 
     def __exit__(self, type, value, traceback):
         self.tn.close()
+        self.ns.__exit__(type, value, traceback)
 
 
 class QuaggaBGPContainer(BGPContainer):
diff --git a/test/scenario_test/pip-requires.txt b/test/scenario_test/pip-requires.txt
index b02d2c63..f8157aed 100644
--- a/test/scenario_test/pip-requires.txt
+++ b/test/scenario_test/pip-requires.txt
@@ -5,3 +5,4 @@ ecdsa
 pycrypto>=2.1
 fabric
 netaddr
+nsenter