Fix DNS name list for kube services in certs

* Also adds liveness and readiness probes for Prom deployment

Change-Id: Id65d1e555e14478f2439c14dd6d6d7952411256d

charts/promenade/templates/deployment-api.yaml

@@ -56,6 +56,23 @@ spec:
           ports:
             - name: api-public
               containerPort: {{ .Values.network.api.port }}
+          livenessProbe:
+            failureThreshold: 5
+            httpGet:
+              path: /api/v1.0/health
+              port: {{ .Values.network.api.target_port }}
+            initialDelaySeconds: 15
+            periodSeconds: 10
+            successThreshold: 1
+            timeoutSeconds: 5
+          readinessProbe:
+            httpGet:
+              path: /api/v1.0/health
+              port: {{ .Values.network.api.target_port }}
+            initialDelaySeconds: 5
+            periodSeconds: 5
+            successThreshold: 1
+            timeoutSeconds: 5
           volumeMounts:
             - name: promenade-etc
               mountPath: /etc/promenade/api-paste.ini

promenade/generator.py

@@ -24,7 +24,7 @@ class Generator:
             for cert_def in ca_def.get('certificates', []):
                 hosts = cert_def.get('hosts', [])
                 hosts.extend(
-                    self.get_host_list(
+                    get_host_list(
                         cert_def.get('kubernetes_service_names', [])))
                 self.gen(
                     'certificate',
@@ -37,26 +37,19 @@ class Generator:
             self.gen('keypair', keypair_def['name'])
         _write(output_dir, self.documents)
 
-    def get_host_list(self, service_names):
-        service_list = []
-        for service in service_names:
-            parts = service.split('.')
-            for i in range(len(parts)):
-                service_list.append('.'.join(parts[:i]))
-        return service_list
-
     def gen(self, kind, *args, **kwargs):
         method = getattr(self.keys, 'generate_' + kind)
 
         self.documents.extend(method(*args, **kwargs))
 
-    def _service_dns(self, name, namespace):
-        return [
-            name,
-            '.'.join([name, namespace]),
-            '.'.join([name, namespace, 'svc']),
-            '.'.join([name, namespace, 'svc', self.cluster_domain]),
-        ]
+
+def get_host_list(service_names):
+    service_list = []
+    for service in service_names:
+        parts = service.split('.')
+        for i in range(len(parts)):
+            service_list.append('.'.join(parts[:i + 1]))
+    return service_list
 
 
 def _write(output_dir, docs):

tests/unit/test_generator.py

@@ -0,0 +1,31 @@
+# Copyright 2018 AT&T Intellectual Property.  All other 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.
+
+from promenade import generator
+
+
+def test_get_host_list():
+    service_fqdns = [
+        'kubernetes.default.svc.cluster.local',
+    ]
+    expected_parts = [
+        'kubernetes',
+        'kubernetes.default',
+        'kubernetes.default.svc',
+        'kubernetes.default.svc.cluster',
+        'kubernetes.default.svc.cluster.local',
+    ]
+
+    actual_parts = generator.get_host_list(service_fqdns)
+    assert actual_parts == expected_parts

tox.ini

@@ -2,7 +2,7 @@
 envlist = lint,unit,bandit,docs
 
 [testenv]
-basepython=python3.5
+basepython=python3
 
 [testenv:unit]
 setenv =