tests: copy container filter from main StackHead project

Author: saitho

__tests__/filter_plugins/container.py

@@ -0,0 +1,39 @@
+# THIS FILE WAS COPIED FROM MAIN STACKHEAD PROJECT.
+# It is only required for running smoke tests.
+# Do not make changes to this file in any way!
+class FilterModule(object):
+    """
+    Jinja2 filters for container related stuff
+    """
+
+    def filters(self):
+        return {
+            'containerPorts': self.container_ports
+        }
+
+    def container_ports(self, containerapp__expose, project_name):
+        containerapp__expose.sort(key=lambda x: x['service'])
+        output = []
+
+        processed = []
+        previous_service = ""
+        index = 0
+        for nginx_expose in containerapp__expose:
+            service_name = nginx_expose['service']
+            internal_port = nginx_expose['internal_port']
+            identifier = service_name + '-' + str(internal_port)
+            if service_name is None or nginx_expose['external_port'] == 443 or identifier in processed:
+                continue
+            if previous_service != service_name:
+                index = 0
+            output.append({
+                'index': len(output),
+                'service': service_name,
+                'internal_port': internal_port,
+                'tfstring': "${docker_container.stackhead-" + project_name + "-" + service_name + ".ports[" + str(index) + "].external}"
+            })
+            previous_service = service_name
+            index += 1
+            processed.append(identifier)
+
+        return output