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OFC 2021 demo: config generators and their output
The original topology (`original-gnpy.json`) comes from the past demos we've done. What's new is all that YANG work. Change-Id: I9940a6a620ae9c6f0948d5c5ff7d788f66277571
This commit is contained in:
Jan Kundrát
447
gnpy/example-data/2021-demo/generate-demo.py
Normal file
447
gnpy/example-data/2021-demo/generate-demo.py
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@@ -0,0 +1,447 @@
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import json
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from pathlib import Path
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from gnpy.tools.json_io import load_equipment, load_network
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from gnpy.yang.io import save_to_json
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# How many nodes in the ring topology? Up to eight is supported, then I ran out of cities..
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HOW_MANY = 3
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# city names
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ALL_CITIES = [
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'Amsterdam',
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'Bremen',
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'Cologne',
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'Dueseldorf',
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'Eindhoven',
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'Frankfurt',
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'Ghent',
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'Hague',
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]
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# end of configurable parameters
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J = {
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"elements": [],
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"connections": [],
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}
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def unidir_join(a, b):
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global J
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J["connections"].append(
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{"from_node": a, "to_node": b}
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)
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def mk_edfa(name, gain, voa=0.0):
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global J
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J["elements"].append(
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{"uid": name, "type": "Edfa", "type_variety": f"fixed{gain}", "operational": {"gain_target": gain, "out_voa": voa}}
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)
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def add_att(a, b, att):
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global J
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if att > 0:
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uid = f"att-({a})-({b})"
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else:
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uid = f"splice-({a})-({b})"
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J["elements"].append(
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{"uid": uid, "type": "Fused", "params": {"loss": att}},
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)
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unidir_join(a, uid)
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unidir_join(uid, b)
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return uid
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def build_fiber(city1, city2):
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global J
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J["elements"].append(
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{
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"uid": f"fiber-{city1}-{city2}",
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"type": "Fiber",
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"type_variety": "SSMF",
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"params": {
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"length": 50,
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"length_units": "km",
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"loss_coef": 0.2,
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"con_in": 1.5,
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"con_out": 1.5,
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}
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}
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)
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def unidir_patch(a, b):
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global J
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uid = f"patch-({a})-({b})"
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J["elements"].append(
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{
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"uid": uid,
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"type": "Fiber",
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"type_variety": "SSMF",
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"params": {
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"length": 0,
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"length_units": "km",
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"loss_coef": 0.2,
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"con_in": 0.5,
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"con_out": 0.5,
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}
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}
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)
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add_att(a, uid, 0.0)
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add_att(uid, b, 0.0)
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for CITY in (ALL_CITIES[x] for x in range(0, HOW_MANY)):
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J["elements"].append(
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{"uid": f"trx-{CITY}", "type_variety": "Cassini", "type": "Transceiver"}
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)
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target_pwr = {
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f"trx-{CITY}": -8,
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f"splice-(roadm-{CITY}-AD)-(patch-(roadm-{CITY}-AD)-(roadm-{CITY}-L1))": -12,
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f"splice-(roadm-{CITY}-AD)-(patch-(roadm-{CITY}-AD)-(roadm-{CITY}-L2))": -12,
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}
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J["elements"].append(
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{"uid": f"roadm-{CITY}-AD", "type": "Roadm", "params": {"target_pch_out_db": -2.0, "per_degree_pch_out_db": target_pwr}}
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)
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unidir_join(f"trx-{CITY}", f"roadm-{CITY}-AD")
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unidir_join(f"roadm-{CITY}-AD", f"trx-{CITY}")
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for n in (1,2):
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target_pwr = {
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f"roadm-{CITY}-L{n}-booster": -23,
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f"splice-(roadm-{CITY}-L{n})-(patch-(roadm-{CITY}-L{n})-(roadm-{CITY}-AD))": -12,
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}
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for m in (1,2):
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if m == n:
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continue
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target_pwr[f"splice-(roadm-{CITY}-L{n})-(patch-(roadm-{CITY}-L{n})-(roadm-{CITY}-L{m}))"] = -12
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J["elements"].append(
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{"uid": f"roadm-{CITY}-L{n}", "type": "Roadm", "params": {"target_pch_out_db": -23.0, "per_degree_pch_out_db": target_pwr}}
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)
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mk_edfa(f"roadm-{CITY}-L{n}-booster", 22)
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mk_edfa(f"roadm-{CITY}-L{n}-preamp", 27)
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unidir_join(f"roadm-{CITY}-L{n}", f"roadm-{CITY}-L{n}-booster")
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unidir_join(f"roadm-{CITY}-L{n}-preamp", f"roadm-{CITY}-L{n}")
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unidir_patch(f"roadm-{CITY}-AD", f"roadm-{CITY}-L{n}")
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unidir_patch(f"roadm-{CITY}-L{n}", f"roadm-{CITY}-AD")
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for m in (1,2):
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if m == n:
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continue
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unidir_patch(f"roadm-{CITY}-L{n}", f"roadm-{CITY}-L{m}")
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for city1, city2 in ((ALL_CITIES[i], ALL_CITIES[i + 1] if i < HOW_MANY - 1 else ALL_CITIES[0]) for i in range(0, HOW_MANY)):
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build_fiber(city1, city2)
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unidir_join(f"roadm-{city1}-L1-booster", f"fiber-{city1}-{city2}")
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unidir_join(f"fiber-{city1}-{city2}", f"roadm-{city2}-L2-preamp")
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build_fiber(city2, city1)
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unidir_join(f"roadm-{city2}-L2-booster", f"fiber-{city2}-{city1}")
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unidir_join(f"fiber-{city2}-{city1}", f"roadm-{city1}-L1-preamp")
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for _, E in enumerate(J["elements"]):
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uid = E["uid"]
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if uid.startswith("roadm-") and (uid.endswith("-L1-booster") or uid.endswith("-L2-booster")):
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E["operational"]["out_voa"] = 12.0
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with open('gnpy/example-data/2021-demo/original-gnpy.json', 'w') as f:
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json.dump(J, f, indent=2)
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equipment = load_equipment('gnpy/example-data/2021-demo/equipment.json')
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network = load_network(Path('gnpy/example-data/2021-demo/original-gnpy.json'), equipment)
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yang_bundle = save_to_json(equipment, network)
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with open('gnpy/example-data/2021-demo/yang-without-onos.json', 'w') as f:
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json.dump(yang_bundle, f, indent=2)
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yang_bundle['ietf-network:networks']['network'].append({
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"network-id": "ONOS",
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"network-types": {
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"tip-onos-topology:onos-topology": {
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}
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},
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"node": [
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{
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"node-id": "netconf:10.0.254.105:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "trx-Amsterdam"
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}
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],
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"tip-onos-topology:device": {
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"name": "Amsterdam TXP (g30-horni)",
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"driver": "groove",
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"grid-x": -150,
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"grid-y": 350,
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"netconf": {
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"username": "administrator",
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"password": "e2e!Net4u#"
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}
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}
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},
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{
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"node-id": "netconf:10.0.254.78:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Amsterdam-L1"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Amsterdam-L1-preamp"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Amsterdam-L1-booster"
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}
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],
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"tip-onos-topology:device": {
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"name": "Amsterdam L1 to Bremen (line-QR79)",
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"driver": "czechlight-roadm",
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"grid-x": 225,
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"grid-y": 320,
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"netconf": {
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"idle-timeout": 0,
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"username": "dwdm",
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"password": "dwdm"
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}
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}
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},
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{
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"node-id": "netconf:10.0.254.79:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Amsterdam-L2"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Amsterdam-L2-boster"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Amsterdam-L2-preamp"
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}
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],
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"tip-onos-topology:device": {
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"name": "Amsterdam L2 to Cologne (line-Q7JS)",
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"driver": "czechlight-roadm",
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"grid-x": 225,
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"grid-y": 380,
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"netconf": {
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"idle-timeout": 0,
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"username": "dwdm",
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"password": "dwdm"
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}
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}
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},
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{
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"node-id": "netconf:10.0.254.107:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Amsterdam-AD"
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}
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],
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"tip-onos-topology:device": {
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"name": "Amsterdam Add/Drop (coh-a-d-v9u)",
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"driver": "czechlight-roadm",
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"grid-x": 175,
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"grid-y": 350,
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"netconf": {
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"idle-timeout": 0,
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"username": "dwdm",
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"password": "dwdm"
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}
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}
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},
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{
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"node-id": "netconf:10.0.254.99:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Cologne-L1"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Cologne-L1-preamp"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Cologne-L1-booster"
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}
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],
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"tip-onos-topology:device": {
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"name": "Cologne L1 to Amsterdam (line-TQQ)",
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"driver": "czechlight-roadm",
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"grid-x": 420,
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"grid-y": 550,
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"netconf": {
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"idle-timeout": 0,
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"username": "dwdm",
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"password": "dwdm"
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}
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}
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},
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{
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"node-id": "netconf:10.0.254.104:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Cologne-L2"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Cologne-L2-boster"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Cologne-L2-preamp"
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}
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],
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"tip-onos-topology:device": {
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"name": "Cologne L2 to Bremen (line-QLK6)",
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"driver": "czechlight-roadm",
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"grid-x": 480,
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"grid-y": 550,
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"netconf": {
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"idle-timeout": 0,
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"username": "dwdm",
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"password": "dwdm"
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}
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}
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},
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{
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"node-id": "netconf:10.0.254.100:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Bremen-L1"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Bremen-L1-preamp"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Bremen-L1-booster"
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}
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],
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"tip-onos-topology:device": {
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"name": "Bremen L1 to Cologne (line-WKP)",
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"driver": "czechlight-roadm",
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"grid-x": 700,
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"grid-y": 380,
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"netconf": {
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"idle-timeout": 0,
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"username": "dwdm",
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"password": "dwdm"
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||||
}
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}
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},
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{
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"node-id": "netconf:10.0.254.102:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Bremen-L2"
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},
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# try removing the following section to see how a wrong power config affects the results
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Bremen-L2-booster"
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},
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Bremen-L2-preamp"
|
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}
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],
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"tip-onos-topology:device": {
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"name": "Bremen L2 to Amsterdam (line-QCP9)",
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"driver": "czechlight-roadm",
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||||
"grid-x": 700,
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"grid-y": 320,
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"netconf": {
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"idle-timeout": 0,
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"username": "dwdm",
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"password": "dwdm"
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}
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||||
}
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||||
},
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{
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"node-id": "netconf:10.0.254.225:830",
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"supporting-node": [
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{
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"network-ref": "GNPy",
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"node-ref": "roadm-Bremen-AD"
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}
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],
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"tip-onos-topology:device": {
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"name": "Bremen Add/Drop (add-drop-SPI)",
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"driver": "czechlight-roadm",
|
||||
"grid-x": 750,
|
||||
"grid-y": 350,
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||||
"netconf": {
|
||||
"idle-timeout": 0,
|
||||
"username": "dwdm",
|
||||
"password": "dwdm"
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"node-id": "netconf:10.0.254.103:830",
|
||||
"supporting-node": [
|
||||
{
|
||||
"network-ref": "GNPy",
|
||||
"node-ref": "trx-Bremen"
|
||||
}
|
||||
],
|
||||
"tip-onos-topology:device": {
|
||||
"name": "Amsterdam TXP (g30-spodni)",
|
||||
"driver": "groove",
|
||||
"grid-x": 1050,
|
||||
"grid-y": 350,
|
||||
"netconf": {
|
||||
"username": "administrator",
|
||||
"password": "e2e!Net4u#"
|
||||
}
|
||||
}
|
||||
}
|
||||
],
|
||||
"ietf-network-topology:link": [
|
||||
{
|
||||
"link-id": "netconf:10.0.254.105:830/10101-netconf:10.0.254.107:830/1"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.107:830/100-netconf:10.0.254.78:830/1"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.107:830/100-netconf:10.0.254.79:830/2"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.79:830/1-netconf:10.0.254.78:830/2"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.99:830/1-netconf:10.0.254.104:830/1"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.79:830/100-netconf:10.0.254.99:830/100"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.104:830/100-netconf:10.0.254.100:830/100"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.102:830/100-netconf:10.0.254.78:830/100"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.100:830/1-netconf:10.0.254.225:830/100"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.102:830/2-netconf:10.0.254.225:830/100"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.102:830/1-netconf:10.0.254.100:830/2"
|
||||
},
|
||||
{
|
||||
"link-id": "netconf:10.0.254.103:830/10101-netconf:10.0.254.225:830/1"
|
||||
}
|
||||
]
|
||||
}
|
||||
)
|
||||
with open('gnpy/example-data/2021-demo/yang.json', 'w') as f:
|
||||
json.dump(yang_bundle, f, indent=2)
|
||||
Reference in New Issue
Block a user