Allow connecting vm to the external network

It fits the Airship deployment where there is neither tenant networks
nor floating ips. It only updates the scenarios and must be completed
by other changes for all the advanced testcases (Rally, Tempest, etc)

Change-Id: Ia19f24d484b7b384c4aeeb3be35aac7aee31baab
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
(cherry picked from commit d99e61f9eb1c4a582b71eb304259ddd3fdeb748f)

6 files changed, 27 insertions, 9 deletions

diff --git a/docker/healthcheck/testcases.yaml b/docker/healthcheck/testcases.yaml
index ff743f0d4..3ebe8cb67 100644
--- a/docker/healthcheck/testcases.yaml
+++ b/docker/healthcheck/testcases.yaml
@@ -27,6 +27,8 @@ tiers:
                     It creates and configures all tenant network ressources
                     required by advanced testcases (subnet, network and
                     router).
+                dependencies:
+                    - NO_TENANT_NETWORK: '^(?![tT]rue$)'
                 run:
                     name: tenantnetwork1
 
@@ -39,6 +41,8 @@ tiers:
                     It creates new user/project before creating and configuring
                     all tenant network ressources required by a testcase
                     (subnet, network and router).
+                dependencies:
+                    - NO_TENANT_NETWORK: '^(?![tT]rue$)'
                 run:
                     name: tenantnetwork2
 
diff --git a/functest/ci/testcases.yaml b/functest/ci/testcases.yaml
index aa2b205ef..e0e31c29e 100644
--- a/functest/ci/testcases.yaml
+++ b/functest/ci/testcases.yaml
@@ -27,6 +27,8 @@ tiers:
                     It creates and configures all tenant network ressources
                     required by advanced testcases (subnet, network and
                     router).
+                dependencies:
+                    - NO_TENANT_NETWORK: '^(?![tT]rue$)'
                 run:
                     name: tenantnetwork1
 
@@ -39,6 +41,8 @@ tiers:
                     It creates new user/project before creating and configuring
                     all tenant network ressources required by a testcase
                     (subnet, network and router).
+                dependencies:
+                    - NO_TENANT_NETWORK: '^(?![tT]rue$)'
                 run:
                     name: tenantnetwork2
 
diff --git a/functest/core/singlevm.py b/functest/core/singlevm.py
index bfaa53bfc..3d968cfd6 100644
--- a/functest/core/singlevm.py
+++ b/functest/core/singlevm.py
@@ -212,7 +212,9 @@ class VmReady1(tenantnetwork.TenantNetwork1):
         vm1 = self.cloud.create_server(
             name if name else '{}-vm_{}'.format(self.case_name, self.guid),
             image=self.image.id, flavor=self.flavor.id,
-            auto_ip=False, network=self.network.id,
+            auto_ip=False,
+            network=self.network.id if self.network else env.get(
+                "EXTERNAL_NETWORK"),
             timeout=self.create_server_timeout, wait=True, **kwargs)
         self.__logger.debug("vm: %s", vm1)
         return vm1
@@ -416,10 +418,12 @@ class SingleVm1(VmReady1):
         - None on error
         """
         assert vm1
-        fip = self.cloud.create_floating_ip(
-            network=self.ext_net.id, server=vm1, wait=True,
-            timeout=self.create_floating_ip_timeout)
-        self.__logger.debug("floating_ip: %s", fip)
+        fip = None
+        if env.get('NO_TENANT_NETWORK').lower() != 'true':
+            fip = self.cloud.create_floating_ip(
+                network=self.ext_net.id, server=vm1, wait=True,
+                timeout=self.create_floating_ip_timeout)
+            self.__logger.debug("floating_ip: %s", fip)
         ssh = paramiko.SSHClient()
         ssh.set_missing_host_key_policy(paramiko.client.AutoAddPolicy())
         for loop in range(self.ssh_connect_loops):
@@ -427,7 +431,7 @@ class SingleVm1(VmReady1):
                 p_console = self.cloud.get_server_console(vm1)
                 self.__logger.debug("vm console: \n%s", p_console)
                 ssh.connect(
-                    fip.floating_ip_address,
+                    fip.floating_ip_address if fip else vm1.public_v4,
                     username=getattr(
                         config.CONF,
                         '{}_image_user'.format(self.case_name), self.username),
@@ -440,7 +444,7 @@ class SingleVm1(VmReady1):
             except Exception as exc:  # pylint: disable=broad-except
                 self.__logger.debug(
                     "try %s: cannot connect to %s: %s", loop + 1,
-                    fip.floating_ip_address, exc)
+                    fip.floating_ip_address if fip else vm1.public_v4, exc)
                 time.sleep(9)
         else:
             self.__logger.error(
diff --git a/functest/core/tenantnetwork.py b/functest/core/tenantnetwork.py
index 8dd56aa67..366477d00 100644
--- a/functest/core/tenantnetwork.py
+++ b/functest/core/tenantnetwork.py
@@ -268,7 +268,8 @@ class TenantNetwork1(testcase.TestCase):
         try:
             assert self.cloud
             self.start_time = time.time()
-            self.create_network_resources()
+            if env.get('NO_TENANT_NETWORK').lower() != 'true':
+                self.create_network_resources()
             self.result = 100
             status = testcase.TestCase.EX_OK
         except Exception:  # pylint: disable=broad-except
diff --git a/functest/opnfv_tests/openstack/api/connection_check.py b/functest/opnfv_tests/openstack/api/connection_check.py
index adca30ee9..83b72b65b 100644
--- a/functest/opnfv_tests/openstack/api/connection_check.py
+++ b/functest/opnfv_tests/openstack/api/connection_check.py
@@ -16,6 +16,7 @@ import os_client_config
 import shade
 from xtesting.core import testcase
 
+from functest.utils import env
 from functest.utils import functest_utils
 
 
@@ -51,6 +52,9 @@ class ConnectionCheck(testcase.TestCase):
             self.start_time = time.time()
             self.__logger.debug(
                 "list_services: %s", functest_utils.list_services(self.cloud))
+            if env.get('NO_TENANT_NETWORK').lower() == 'true':
+                self.func_list.remove("list_floating_ip_pools")
+                self.func_list.remove("list_floating_ips")
             for func in self.func_list:
                 self.__logger.debug(
                     "%s: %s", func, getattr(self.cloud, func)())
diff --git a/functest/utils/env.py b/functest/utils/env.py
index 672aee1d9..2e312726c 100644
--- a/functest/utils/env.py
+++ b/functest/utils/env.py
@@ -40,7 +40,8 @@ INPUTS = {
     'SKIP_DOWN_HYPERVISORS': 'False',
     'PUBLIC_ENDPOINT_ONLY': 'False',
     'DASHBOARD_URL': '',
-    'VMTP_HYPERVISORS': ''
+    'VMTP_HYPERVISORS': '',
+    'NO_TENANT_NETWORK': 'False'
 }