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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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import json |
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import glob |
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import pickle |
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import os |
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import sys |
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from typing import Any, List, Tuple |
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from napps.kytos.topology.controllers import TopoController |
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from concurrent.futures import ThreadPoolExecutor, as_completed |
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topo_controller = TopoController() |
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def get_storehouse_dir() -> str: |
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return os.environ["STOREHOUSE_NAMESPACES_DIR"] |
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def _list_boxes_files(namespace: str, storehouse_dir=get_storehouse_dir()) -> dict: |
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"""List boxes files given the storehouse dir.""" |
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if storehouse_dir.endswith(os.path.sep): |
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storehouse_dir = storehouse_dir[:-1] |
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return { |
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file_name.split(os.path.sep)[-2]: file_name |
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for file_name in glob.glob(f"{storehouse_dir}/{namespace}**/*", recursive=True) |
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} |
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def _load_from_file(file_name) -> Any: |
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with open(file_name, "rb") as load_file: |
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return pickle.load(load_file) |
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def load_boxes_data(namespace: str) -> dict: |
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"""Load boxes data.""" |
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return {k: _load_from_file(v).data for k, v in _list_boxes_files(namespace).items()} |
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def load_topology_status() -> Tuple[List[dict], List[dict]]: |
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"""Load topology status.""" |
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namespace = "kytos.topology.status" |
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content = load_boxes_data(namespace) |
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if namespace not in content: |
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return ([], []) |
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content = content[namespace] |
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if "network_status" not in content: |
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return ([], []) |
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if "switches" not in content["network_status"]: |
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return ([], []) |
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links_status = content["network_status"].get("links", {}) |
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switches = [] |
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for switch in content["network_status"]["switches"].values(): |
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switch["_id"] = switch["id"] |
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switches.append(switch) |
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links = [] |
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for link_values in links_status.values(): |
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if "id" in link_values: |
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link_values["_id"] = link_values["id"] |
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links.append(link_values) |
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return (switches, links) |
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def insert_from_topology_status( |
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topo_controller=topo_controller, |
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) -> Tuple[List[dict], List[dict]]: |
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"""Insert from topology status.""" |
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loaded_switches, loaded_links = load_topology_status() |
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insert_switches = [] |
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with ThreadPoolExecutor(max_workers=len(loaded_switches)) as executor: |
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futures = [ |
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executor.submit(topo_controller.upsert_switch, switch["id"], switch) |
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for switch in loaded_switches |
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] |
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for future in as_completed(futures): |
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response = future.result() |
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insert_switches.append(response) |
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insert_links = [] |
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with ThreadPoolExecutor(max_workers=len(loaded_links)) as executor: |
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futures = [ |
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executor.submit(topo_controller.upsert_link, link["id"], link) |
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for link in loaded_links |
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] |
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for future in as_completed(futures): |
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response = future.result() |
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insert_switches.append(response) |
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return (insert_switches, insert_links) |
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def load_topology_metadata(entity: str) -> dict: |
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"""Load topology metadata.""" |
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namespace = f"kytos.topology.{entity}.metadata" |
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content = load_boxes_data(namespace) |
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if namespace not in content: |
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return {} |
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content = content[namespace] |
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return content |
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def insert_from_topology_switches_metadata( |
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topo_controller=topo_controller, |
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) -> List[dict]: |
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"""Insert from topology switches metadata namespace.""" |
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switches = load_topology_metadata("switches") |
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responses = [] |
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with ThreadPoolExecutor(max_workers=len(switches)) as executor: |
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futures = [ |
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executor.submit(topo_controller.add_switch_metadata, dpid, metadata) |
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for dpid, metadata in switches.items() |
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] |
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for future in as_completed(futures): |
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response = future.result() |
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responses.append(response) |
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return responses |
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def insert_from_topology_interfaces_metadata( |
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topo_controller=topo_controller, |
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) -> List[dict]: |
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"""Insert from topology interfaces metadata namespace.""" |
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interfaces = load_topology_metadata("interfaces") |
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responses = [] |
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with ThreadPoolExecutor(max_workers=len(interfaces)) as executor: |
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futures = [ |
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executor.submit( |
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topo_controller.add_interface_metadata, interface_id, metadata |
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) |
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for interface_id, metadata in interfaces.items() |
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] |
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for future in as_completed(futures): |
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response = future.result() |
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responses.append(response) |
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return responses |
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def insert_from_topology_links_metadata(topo_controller=topo_controller) -> List[dict]: |
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"""Insert from topology links metadata namespace.""" |
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links = load_topology_metadata("links") |
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responses = [] |
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with ThreadPoolExecutor(max_workers=len(links)) as executor: |
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futures = [ |
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executor.submit(topo_controller.add_link_metadata, link_id, metadata) |
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for link_id, metadata in links.items() |
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] |
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for future in as_completed(futures): |
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response = future.result() |
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responses.append(response) |
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return responses |
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if __name__ == "__main__": |
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cmds = { |
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"insert_links_metadata": insert_from_topology_links_metadata, |
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"insert_switches_metadata": insert_from_topology_switches_metadata, |
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"insert_interfaces_metadata": insert_from_topology_interfaces_metadata, |
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"insert_topology": insert_from_topology_status, |
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"load_topology": lambda: json.dumps(load_topology_status()), |
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"load_switches_metadata": lambda: json.dumps( |
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load_topology_metadata("switches") |
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), |
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"load_interfaces_metadata": lambda: json.dumps( |
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load_topology_metadata("interfaces") |
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), |
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"load_links_metadata": lambda: json.dumps(load_topology_metadata("links")), |
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} |
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try: |
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cmd = os.environ["CMD"] |
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except KeyError: |
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print("Please set the 'CMD' env var.") |
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sys.exit(1) |
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try: |
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for command in cmd.split(","): |
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print(cmds[command]()) |
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except KeyError as e: |
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print( |
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f"Unknown cmd: {str(e)}. 'CMD' env var has to be one of these {list(cmds.keys())}." |
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) |
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sys.exit(1) |
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kytos-ng /
topology
