Travis: use a local etcd server for RSA tests

The ECF public etcd server doesn't seem to respond anymore

Author: tcalmant

.travis.yml

@@ -38,6 +38,7 @@ install:
   - sudo prosodyctl register user2 localhost foobar
   - sudo prosodyctl restart
   - curl -qL http://apache.mediamirrors.org/karaf/4.2.1/apache-karaf-4.2.1.tar.gz | tar xz -C /tmp
+  - curl -qL https://github.com/etcd-io/etcd/releases/download/v3.3.10/etcd-v3.3.10-linux-amd64.tar.gz | tar xz -C /tmp && /tmp/etcd-v3.3.10-linux-amd64/etcd &
   - pip install nose coverage coverage_enable_subprocess coveralls
   - pip install https://github.com/tcalmant/jsonrpclib/archive/master.zip
   - pip install -r requirements.txt

tests/rsa/test_etcd_discovery.py

@@ -54,7 +54,7 @@
     EndpointEvent,
 )
 
-TEST_ETCD_HOSTNAME = "disco.ecf-project.org"
+TEST_ETCD_HOSTNAME = "localhost"
 TEST_ETCD_TOPPATH = "/etcddiscovery.tests"
 
 ENDPOINT_LISTENER_SCOPE = "({0}=*)".format(ECF_ENDPOINT_CONTAINERID_NAMESPACE)