Added constants file

contrib/p4_files/constants.py

@@ -0,0 +1,25 @@
+# File containing constants used by p4 execution
+
+# Dict Keys
+KEY_NODES = "nodes"
+KEY_SWITCHES = "switches"
+KEY_SERVER_PORT = "server_port"
+KEY_TABLE_ENTRIES = "table_entries"
+KEY_P4_INFO_PATH = "p4_info_path"
+KEY_P4_PROG_NAME = "p4_prog_name"
+
+# Global variables
+NODE_IMAGE_NAME = "basic_node"  # Should match name of the container name
+SWITCH_IMAGE_NAME = "switch_sdk_9.5.0"
+PTF_IMAGE_NAME = "ptf_tester"
+
+SDE = "/home/p4/installations/bf-sde-9.5.0"
+SDE_INSTALL = f"{SDE}/install"
+
+# Container values
+CONTAINER_BASE_DIR = "/app"
+
+# Setup files keys
+KEY_NETWORK_CONFIG = "network_config"
+KEY_PTF_FOLDER_PATH = "ptf_test_folder"
+KEY_LINKS = "links"