Add test_k8s_dashboard test

Add 'cluster role binding' api wrapper
Add method in TestMCPK8sActions to read testdata yamls

Change-Id: I7b9f7a74ce74ea5e722cb4c958bd60b6a64b6a0c
Related-PROD: PROD-22249
diff --git a/tcp_tests/managers/k8s/cluster.py b/tcp_tests/managers/k8s/cluster.py
index 8ffb4d1..db7bb18 100644
--- a/tcp_tests/managers/k8s/cluster.py
+++ b/tcp_tests/managers/k8s/cluster.py
@@ -42,6 +42,8 @@
 from tcp_tests.managers.k8s.services import K8sServiceManager
 from tcp_tests.managers.k8s.replicasets import K8sReplicaSetManager
 from tcp_tests.managers.k8s.networkpolicies import K8sNetworkPolicyManager
+from tcp_tests.managers.k8s.clusterrolebindings import \
+    K8sClusterRoleBindingManager
 
 
 class K8sCluster(object):
@@ -89,6 +91,7 @@
         self.api_extensions = client.ExtensionsV1beta1Api(api_client)
         self.api_autoscaling = client.AutoscalingV1Api(api_client)
         self.api_batch = client.BatchV1Api(api_client)
+        self.api_rbac_auth = client.RbacAuthorizationV1Api(api_client)
 
         self.nodes = K8sNodeManager(self)
         self.pods = K8sPodManager(self)
@@ -111,3 +114,4 @@
         self.pvolumes = K8sPersistentVolumeManager(self)
         self.replicasets = K8sReplicaSetManager(self)
         self.networkpolicies = K8sNetworkPolicyManager(self)
+        self.clusterrolebindings = K8sClusterRoleBindingManager(self)
diff --git a/tcp_tests/managers/k8s/clusterrolebindings.py b/tcp_tests/managers/k8s/clusterrolebindings.py
new file mode 100644
index 0000000..d958817
--- /dev/null
+++ b/tcp_tests/managers/k8s/clusterrolebindings.py
@@ -0,0 +1,54 @@
+#    Copyright 2017 Mirantis, Inc.
+#
+#    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
+
+
+from kubernetes import client
+
+from tcp_tests.managers.k8s.base import K8sBaseResource
+from tcp_tests.managers.k8s.base import K8sBaseManager
+
+
+class K8sClusterRoleBinding(K8sBaseResource):
+    resource_type = 'clusterrolebindings'
+
+    def _read(self, **kwargs):
+        return self._manager.api.read_cluster_role_binding(self.name, **kwargs)
+
+    def _create(self, body, **kwargs):
+        return self._manager.api.create_cluster_role_binding(body, **kwargs)
+
+    def _patch(self, body, **kwargs):
+        return self._manager.api.patch_cluster_role_binding(
+            self.name, body, **kwargs)
+
+    def _replace(self, body, **kwargs):
+        return self._manager.api.replace_cluster_role_binding(
+            self.name, body, **kwargs)
+
+    def _delete(self, **kwargs):
+        self._manager.api.delete_cluster_role_binding(
+            self.name, client.V1DeleteOptions(), **kwargs)
+
+
+class K8sClusterRoleBindingManager(K8sBaseManager):
+    resource_class = K8sClusterRoleBinding
+
+    @property
+    def api(self):
+        return self._cluster.api_rbac_auth
+
+    def _list(self, namespace, **kwargs):
+        return self.api.list_cluster_role_binding(**kwargs)
+
+    def _list_all(self, **kwargs):
+        return self._list(None, **kwargs)
diff --git a/tcp_tests/managers/k8s/serviceaccounts.py b/tcp_tests/managers/k8s/serviceaccounts.py
index 3b779eb..bc0db30 100644
--- a/tcp_tests/managers/k8s/serviceaccounts.py
+++ b/tcp_tests/managers/k8s/serviceaccounts.py
@@ -14,6 +14,8 @@
 
 from kubernetes import client
 
+from devops.helpers import helpers
+
 from tcp_tests.managers.k8s.base import K8sBaseResource
 from tcp_tests.managers.k8s.base import K8sBaseManager
 
@@ -41,6 +43,13 @@
         self._manager.api.delete_namespaced_service_account(
             self.name, self.namespace, client.V1DeleteOptions(), **kwargs)
 
+    def wait_secret_generation(self, timeout=90, interval=2):
+        def is_secret_generated():
+            secrets = self.read().secrets
+            return secrets is not None and len(secrets) > 0
+        helpers.wait(lambda: is_secret_generated(),
+                     timeout=timeout, interval=interval)
+
 
 class K8sServiceAccountManager(K8sBaseManager):
     resource_class = K8sServiceAccount
diff --git a/tcp_tests/managers/k8smanager.py b/tcp_tests/managers/k8smanager.py
index a72f2f1..748cb04 100644
--- a/tcp_tests/managers/k8smanager.py
+++ b/tcp_tests/managers/k8smanager.py
@@ -364,15 +364,19 @@
         return self.controller_check_call("nslookup {0} {1}".format(host, src))
 
     @retry(300, exception=DevopsCalledProcessError)
-    def curl(self, url):
+    def curl(self, url, *args):
         """
         Run curl on controller and return stdout
 
         :param url: url to curl
-        :return: response string
+        :return: list of strings (with /n at end of every line)
         """
-        result = self.controller_check_call("curl -s -S \"{}\"".format(url))
-        LOG.debug("curl \"{0}\" result: {1}".format(url, result['stdout']))
+        args = list(args)
+        args.append(url)
+        cmd = "curl -s -S {}".format(
+            " ".join(["'{}'".format(a.replace("'", "\\'")) for a in args]))
+        result = self.controller_check_call(cmd)
+        LOG.debug("{0}\nresult:\n{1}".format(cmd, result['stdout']))
         return result['stdout']
 
 
diff --git a/tcp_tests/tests/system/test_k8s_actions.py b/tcp_tests/tests/system/test_k8s_actions.py
index 6510a67..364361c 100644
--- a/tcp_tests/tests/system/test_k8s_actions.py
+++ b/tcp_tests/tests/system/test_k8s_actions.py
@@ -15,6 +15,7 @@
 import pytest
 import netaddr
 import os
+import json
 
 from tcp_tests import logger
 from tcp_tests import settings
@@ -27,6 +28,10 @@
 class TestMCPK8sActions(object):
     """Test class for different k8s actions"""
 
+    def __read_testdata_yaml(self, name):
+        dir = os.path.join(os.path.dirname(__file__), 'testdata/k8s')
+        return read_yaml_file(dir, name)
+
     @pytest.mark.grab_versions
     @pytest.mark.fail_snapshot
     @pytest.mark.cz8116
@@ -235,9 +240,8 @@
             namespace="kube-system", name_prefix="kube-flannel-") > 0
 
         show_step(3)
-        data_dir = os.path.join(os.path.dirname(__file__), 'testdata/k8s')
         flannel_pod = k8s_deployed.api.pods.create(
-            body=read_yaml_file(data_dir, 'pod-sample-flannel.yaml'))
+            body=self.__read_testdata_yaml('pod-sample-flannel.yaml'))
         flannel_pod.wait_running()
 
         show_step(4)
@@ -247,7 +251,7 @@
 
         show_step(5)
         calico_pod = k8s_deployed.api.pods.create(
-            body=read_yaml_file(data_dir, 'pod-sample-calico.yaml'))
+            body=self.__read_testdata_yaml('pod-sample-calico.yaml'))
         calico_pod.wait_running()
 
         show_step(6)
@@ -257,7 +261,7 @@
 
         show_step(7)
         multicni_pod = k8s_deployed.api.pods.create(
-            body=read_yaml_file(data_dir, 'pod-sample-multicni.yaml'))
+            body=self.__read_testdata_yaml('pod-sample-multicni.yaml'))
         multicni_pod.wait_running()
 
         show_step(8)
@@ -270,7 +274,7 @@
 
         show_step(9)
         nocni_pod = k8s_deployed.api.pods.create(
-            body=read_yaml_file(data_dir, 'pod-sample.yaml'))
+            body=self.__read_testdata_yaml('pod-sample.yaml'))
         nocni_pod.wait_running()
 
         show_step(10)
@@ -305,3 +309,78 @@
         calico_pod.delete()
         multicni_pod.delete()
         nocni_pod.delete()
+
+    @pytest.mark.grap_versions
+    @pytest.mark.fail_snapshot
+    def test_k8s_dashboard(self, show_step, config,
+                           salt_deployed, k8s_deployed):
+        """Test dashboard setup
+
+        Scenario:
+            1. Setup Kubernetes cluster
+            2. Try to curl login status api
+            3. Create a test-admin-user account
+            4. Try to login in dashboard using test-admin-user account
+            5. Get and check list of namespaces using dashboard api
+        """
+        show_step(1)
+
+        show_step(2)
+        system_ns = 'kube-system'
+        dashboard_service = \
+            k8s_deployed.api.services.get('kubernetes-dashboard', system_ns)
+        dashboard_url = 'https://{}'.format(dashboard_service.get_ip())
+
+        def dashboard_curl(url, data=None, headers=None):
+            """ Using curl command on controller node. Alternatives:
+                - connect_{get,post}_namespaced_service_proxy_with_path -
+                    k8s lib does not provide way to pass headers or POST data
+                - raw rest k8s api - need to auth somehow
+                - new load-balancer svc for dashboard + requests python lib -
+                    requires working metallb or other load-balancer
+            """
+            args = ['--insecure']
+            for name in headers or {}:
+                args.append('--header')
+                args.append("{0}: {1}".format(name, headers[name]))
+            if data is not None:
+                args.append('--data')
+                args.append(data)
+            return ''.join(k8s_deployed.curl(dashboard_url + url, *args))
+
+        assert 'tokenPresent' in \
+            json.loads(dashboard_curl('/api/v1/login/status'))
+
+        show_step(3)
+        account = k8s_deployed.api.serviceaccounts.create(
+            namespace=system_ns,
+            body=self.__read_testdata_yaml('test-admin-user-account.yaml'))
+        account.wait_secret_generation()
+
+        k8s_deployed.api.clusterrolebindings.create(
+            body=self.__read_testdata_yaml(
+                'test-admin-user-cluster-role-bind.yaml'))
+
+        account_secret = account.read().secrets[0]
+        account_token = k8s_deployed.api.secrets.get(
+            namespace=system_ns, name=account_secret.name).read().data['token']
+
+        show_step(4)
+        csrf_token = \
+            json.loads(dashboard_curl('/api/v1/csrftoken/login'))['token']
+        login_headers = {'X-CSRF-TOKEN': csrf_token,
+                         'Content-Type': 'application/json'}
+        jwe_token = json.loads(dashboard_curl(
+            '/api/v1/login', headers=login_headers,
+            data=json.dumps({'token': account_token.decode('base64')})
+        ))['jweToken']
+        headers = {'jweToken': jwe_token}
+
+        show_step(5)
+        dashboard_namespaces = json.loads(
+            dashboard_curl('/api/v1/namespace', headers=headers))['namespaces']
+
+        namespaces_names_list = \
+            [ns.name for ns in k8s_deployed.api.namespaces.list()]
+        for namespace in dashboard_namespaces:
+            assert namespace['objectMeta']['name'] in namespaces_names_list
diff --git a/tcp_tests/tests/system/testdata/k8s/test-admin-user-account.yaml b/tcp_tests/tests/system/testdata/k8s/test-admin-user-account.yaml
new file mode 100644
index 0000000..889fa48
--- /dev/null
+++ b/tcp_tests/tests/system/testdata/k8s/test-admin-user-account.yaml
@@ -0,0 +1,5 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: test-admin-user
+  namespace: kube-system
diff --git a/tcp_tests/tests/system/testdata/k8s/test-admin-user-cluster-role-bind.yaml b/tcp_tests/tests/system/testdata/k8s/test-admin-user-cluster-role-bind.yaml
new file mode 100644
index 0000000..cad78ce
--- /dev/null
+++ b/tcp_tests/tests/system/testdata/k8s/test-admin-user-cluster-role-bind.yaml
@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: test-admin-user
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+- kind: ServiceAccount
+  name: test-admin-user
+  namespace: kube-system