Add alpn_protocols to the pool data model

This change completes the ALPN support started in Victoria and initially
limited to listeners. Now with pools supported as well, this feature
work is completed in octavia-lib.

Change-Id: I01268f7afac8f6356616f3926d6fe9c1ec31b2b5

octavia_lib/api/drivers/data_models.py

@@ -177,7 +177,8 @@ class Pool(BaseDataModel):
                  tls_container_data=Unset, ca_tls_container_ref=Unset,
                  ca_tls_container_data=Unset, crl_container_ref=Unset,
                  crl_container_data=Unset, tls_enabled=Unset,
-                 project_id=Unset, tls_versions=Unset, tls_ciphers=Unset):
+                 project_id=Unset, tls_versions=Unset, tls_ciphers=Unset,
+                 alpn_protocols=Unset):
 
         self.admin_state_up = admin_state_up
         self.description = description
@@ -200,6 +201,7 @@ class Pool(BaseDataModel):
         self.project_id = project_id
         self.tls_versions = tls_versions
         self.tls_ciphers = tls_ciphers
+        self.alpn_protocols = alpn_protocols
 
 
 class Member(BaseDataModel):

octavia_lib/tests/unit/api/drivers/test_data_models.py

@@ -183,7 +183,10 @@ class TestProviderDataModels(base.TestCase):
                           constants.TLS_VERSION_1_1,
                           constants.TLS_VERSION_1_2,
                           constants.TLS_VERSION_1_3],
-            tls_ciphers=None)
+            tls_ciphers=None,
+            alpn_protocols=[constants.ALPN_PROTOCOL_HTTP_1_0,
+                            constants.ALPN_PROTOCOL_HTTP_1_1,
+                            constants.ALPN_PROTOCOL_HTTP_2])
 
         self.ref_l7rule_dict = {'admin_state_up': True,
                                 'compare_type': 'STARTS_WITH',
@@ -332,7 +335,10 @@ class TestProviderDataModels(base.TestCase):
                              constants.TLS_VERSION_1_1,
                              constants.TLS_VERSION_1_2,
                              constants.TLS_VERSION_1_3],
-            'tls_ciphers': None}
+            'tls_ciphers': None,
+            'alpn_protocols': [constants.ALPN_PROTOCOL_HTTP_1_0,
+                               constants.ALPN_PROTOCOL_HTTP_1_1,
+                               constants.ALPN_PROTOCOL_HTTP_2]}
 
     def test_equality(self):
         second_ref_lb = deepcopy(self.ref_lb)
@@ -378,6 +384,7 @@ class TestProviderDataModels(base.TestCase):
         ref_pool_dict['healthmonitor'] = None
         ref_pool_dict.pop('members', None)
         ref_pool_dict.pop('tls_versions', None)
+        ref_pool_dict.pop('alpn_protocols', None)
         ref_l7policy_dict = deepcopy(self.ref_l7policy_dict)
         ref_l7policy_dict.pop('rules', None)
 

releasenotes/notes/add-pool-alpn-protocols-a791538ab214e780.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - |
+    Added parameter ``alpn_protocols`` to pools. This parameter contains
+    the list of protocols supported by pools, in descending order of
+    preference. The supported protocols are ``http/1.0``, ``http/1.1``
+    and ``h2``.