lb: vip and as dump/detail api's

- lb_vip_dump/lb_vip_details - get all vip.
- lb_as_dump/lb_as_details - get all as list per vip.
- adds api unit test.
- adds vpp_lb to test framework.

Ticket:
Type: feature

Change-Id: I24be50d62c5234f3535cc840603ddd9df7eb3f07
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>

2 files changed, 160 insertions, 0 deletions

diff --git a/test/test_lb_api.py b/test/test_lb_api.py
new file mode 100644
index 00000000000..70d41d432a7
--- /dev/null
+++ b/test/test_lb_api.py
@@ -0,0 +1,76 @@
+#  Copyright (c) 2019. Vinci Consulting Corp. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import framework
+import ipaddress
+
+DEFAULT_VIP = "lb_vip_details(_0=978, context=12, vip=vl_api_lb_ip_addr_t(pfx=IPv6Network(u'::/0'), protocol=<vl_api_ip_proto_t.IP_API_PROTO_RESERVED: 255>, port=0), encap=<vl_api_lb_encap_type_t.LB_API_ENCAP_TYPE_GRE4: 0>, dscp=<vl_api_ip_dscp_t.IP_API_DSCP_CS0: 0>, srv_type=<vl_api_lb_srv_type_t.LB_API_SRV_TYPE_CLUSTERIP: 0>, target_port=0, flow_table_length=0)"  # noqa
+
+
+class TestLbEmptyApi(framework.VppTestCase):
+    """TestLbEmptyApi """
+
+    def test_lb_empty_vip_dump(self):
+
+        # no records should  normally return [], but
+        # lb initializes with a default VIP
+        rv = self.vapi.lb_vip_dump()
+        # print(rv)
+        self.assertEqual(rv, [], 'Expected: [] Received: %r.' % rv)
+
+    def test_lb_empty_as_dump(self):
+
+        # no records should return []
+        rv = self.vapi.lb_as_dump()
+        # print(rv)
+        self.assertEqual(rv, [], 'Expected: [] Received: %r.' % rv)
+
+
+class TestLbApi(framework.VppTestCase):
+    """TestLbApi """
+
+    def test_lb_vip_dump(self):
+        # add some vips
+        # rv = self.vapi.lb_add_del_vip(pfx=ipaddress.IPv4Network(u'1.2.3.0/24'),  # noqa
+        #                               protocol=17,
+        #                               encap=0)
+        # print(rv)
+        self.vapi.cli("lb vip 2001::/16 encap gre6")
+        rv = self.vapi.lb_vip_dump()
+        # print(rv)
+        self.assertEqual(str(rv[-1].vip.pfx), "2001::/16",
+                         'Expected: 2001::/16 Received: %r.' % rv[-1].vip.pfx)
+
+        self.vapi.cli("lb vip 2001::/16 del")
+
+
+class TestLbAsApi(framework.VppTestCase):
+    """TestLbAsApi """
+
+    def test_lb_as_dump(self):
+        # add some vips
+        self.vapi.cli("lb vip 2001::/16 encap gre6")
+        self.vapi.cli("lb as 2001::/16 2000::1")
+        # add some as's for the vips
+        # rv = self.vapi.lb_add_del_as(
+        #     pfx=ipaddress.IPv4Network(u"10.0.0.0/24"),
+        #     as_address=ipaddress.IPv4Address(u"192.168.1.1"))
+
+        # print(rv)
+        rv = self.vapi.lb_as_dump()
+        # print(rv)
+        self.assertEqual(str(rv[0].vip.pfx), "2001::/16",
+                         'Expected: "2001::/16" Received: %r.' % rv[0].vip.pfx)
+        self.assertEqual(str(rv[0].app_srv), "2000::1",
+                         'Expected: "2000::1" Received: %r.' % rv[0].app_srv)
diff --git a/test/vpp_lb.py b/test/vpp_lb.py
new file mode 100644
index 00000000000..d755cef70e5
--- /dev/null
+++ b/test/vpp_lb.py
@@ -0,0 +1,84 @@
+#  Copyright (c) 2019. Vinci Consulting Corp. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import vpp_object
+
+
+class VppLbVip(vpp_object.VppObject):
+
+    def __init__(self, test, pfx, sfx, port, protocol):
+        self._test = test
+        self.pfx = pfx
+        self.sfx = sfx
+        self.port = port
+        self.protocol = protocol
+
+    def add_vpp_config(self):
+        self._test_vapi.lb_add_del_vip(pfx=self.pfx,
+                                       sfx=self.pfx,
+                                       port=self.port,
+                                       protocol=self.protocol)
+
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.lb_add_del_vip(pfx=self.pfx,
+                                       sfx=self.pfx,
+                                       port=self.port,
+                                       protocol=self.protocol,
+                                       is_del=1)
+
+    def query_vpp_config(self):
+        details = self._test.vapi.lb_add_del_vip(fx=self.pfx,
+                                                 sfx=self.pfx,
+                                                 port=self.port,
+                                                 protocol=self.protocol)
+        return True if self == details else False
+
+
+class VppLbAs(vpp_object.VppObject):
+    def __init__(self, test, pfx, port, protocol, app_srv, is_del, is_flush):
+        self._test = test
+        # this is the vip
+        self.pfx = pfx
+        self.port = port
+        self.protocol = protocol
+
+        self.app_srv = app_srv
+        self.is_del = is_del
+        self.is_flush = is_flush
+
+    def add_vpp_config(self):
+        self._test_vapi.lb_add_del_as(pfx=self.pfx,
+                                      port=self.port,
+                                      protocol=self.protocol,
+                                      app_srv=self.app_srv,
+                                      is_flush=self.is_flush,
+                                      )
+
+        self._test.registry.register(self, self._test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.lb_add_del_as(pfx=self.pfx,
+                                      port=self.port,
+                                      protocol=self.protocol,
+                                      app_srv=self.app_srv,
+                                      is_flush=self.is_flush,
+                                      is_del=1)
+
+    def query_vpp_config(self):
+        details = self._test.vapi.lb_as_dump(pfx=self.pfx,
+                                             port=self.port,
+                                             protocol=self.protocol)
+        return True if self == details else False