Add firewall existence check

Signed-off-by: Dev <Dev25@users.noreply.github.com>

test/integration/safer_cluster/controls/network.rb

@@ -0,0 +1,25 @@
+# Copyright 2019 Google LLC
+#
+# 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
+#
+#     https://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.
+
+project_id   = attribute('project_id')
+cluster_name = attribute('cluster_name')
+
+control "network" do
+  title "gcp network configuration"
+  describe google_compute_firewalls(project: project_id) do
+    its('firewall_names') { should include "gke-#{cluster_name[0..25]}-intra-cluster-egress" }
+    its('firewall_names') { should include "gke-#{cluster_name[0..25]}-webhooks" }
+  end
+
+end

test/integration/safer_cluster/inspec.yml

@@ -1,4 +1,8 @@
 name: safer_cluster
+depends:
+  - name: inspec-gcp
+    git: https://github.com/inspec/inspec-gcp.git
+    tag: v0.11.0
 attributes:
   - name: project_id
     required: true