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migration-script.py
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migration-script.py
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import sys
import argparse
import yaml
import logging
from datetime import datetime, timedelta
import time
from lib.auth import auth
from lib.customers import getCustomerAssets
from lib.devices import getCustomerDevices
from lib.timeseriesKeys import timeseriesKeys
from lib.checkTarget import checkTarget
from lib.keyFilter import keyFilter
from lib.timeseries import getData, postData
from lib.postDataFormat import postDataFormat
'''
@Notes This is the argument parser of the script
'''
# This sections parses the input arguments and saves them into constant variables
parser = argparse.ArgumentParser(description="This script performs a data migration between two different instances of ThingsBoard servers.")
parser.add_argument("-s", action="store", dest="sourceCustomerId", type=str, default="",
help="Specify the source customer ID", required=True)
parser.add_argument("-t", action="store", dest="targetCustomerId", type=str, default="",
help="Specify the target customer ID", required=True)
parser.add_argument("-i", action="store", dest="initialTs", type=str, default="",
help="Specify initial UNIX timestamp", required=True)
parser.add_argument("-e", action="store", dest="endTs", type=str, default="",
help="Specify final (ending) UNIX timestamp", required=True)
parser.add_argument("-m", action="store", dest="timewindow", type=str, default="",
help="Specify timewindow in seconds", required=True)
parser.add_argument("-f", action="store", dest="filter", type=str, default="None",
help="Specify the key filter", required=False)
parser.add_argument("-x", action="store_true", dest="checkTargetData", default=False,
help="Check if target data already exists", required=False)
parser.add_argument("-v", action="store_true", dest="verbose", default=False,
help="Show data", required=False)
parser.add_argument("-w", action="store_true", dest="postData", default=False,
help="Actually POST data to the target!", required=False)
args = parser.parse_args()
CONFIG_FILE = "./migrationConf.yml"
SOURCE_CUSTOMER_ID = args.sourceCustomerId
TARGET_CUSTOMER_ID = args.targetCustomerId
KEY_FILTER = args.filter
STARTTS = int(args.initialTs)
ENDTS = int(args.endTs)
CHECK_TARGET_DATA = args.checkTargetData
POST_DATA = args.postData
VERBOSE = args.verbose
TIMEWINDOW = int(args.timewindow)
startDate = datetime.fromtimestamp(STARTTS)
endDate = datetime.fromtimestamp(ENDTS)
diff = ENDTS - STARTTS
print(" start:", startDate)
print(" end:", endDate)
print("window:", str(timedelta(seconds = TIMEWINDOW)))
if POST_DATA:
print("*** You are about to send data to the server, please think twice! ***")
time.sleep(2)
print("*** Ok, let's go! ***")
time.sleep(0.5)
else:
time.sleep(0.5)
'''
@Notes This is the config file reader of the script
'''
try:
with open(CONFIG_FILE, 'r') as ymlfile: cfg = yaml.load(ymlfile, Loader=yaml.FullLoader)
# Save here all the configuration variables
SOURCE_TB_ADDRESS = cfg['source']['host']
SOURCE_TB_PORT = cfg['source']['port']
SOURCE_TB_USER = cfg['source']['user']
SOURCE_TB_PASSWORD = cfg['source']['password']
TARGET_TB_ADDRESS = cfg['target_http']['host']
TARGET_TB_PORT = cfg['target_http']['port']
TARGET_TB_USER = cfg['target_http']['user']
TARGET_TB_PASSWORD = cfg['target_http']['password']
LOG_FILE = cfg['log']['file']
DB_FILE = cfg['db']['file']
ymlfile.close()
except Exception as exception:
print("An error occoured while reading the configuration file:", exception)
print("Is it configured correctly?")
sys.exit()
# Open and configure logger
logging.basicConfig(filename=LOG_FILE, filemode='a+', format='%(asctime)s [%(levelname)s] %(message)s', datefmt='%d-%b-%y %H:%M:%S')
# Set minimum log level to "info"
logging.getLogger().setLevel(logging.INFO)
# Log something
logging.info('The script has been correctly initialized.')
# get the auth tokens
SOURCE_AUTH_TOKEN = auth(SOURCE_TB_ADDRESS,SOURCE_TB_PORT,SOURCE_TB_USER,SOURCE_TB_PASSWORD)
TARGET_AUTH_TOKEN = auth(TARGET_TB_ADDRESS,TARGET_TB_PORT,TARGET_TB_USER,TARGET_TB_PASSWORD)
sourceAssets = getCustomerAssets(SOURCE_TB_ADDRESS,SOURCE_TB_PORT,SOURCE_AUTH_TOKEN,SOURCE_CUSTOMER_ID)
targetAssets = getCustomerAssets(TARGET_TB_ADDRESS,TARGET_TB_PORT,TARGET_AUTH_TOKEN,TARGET_CUSTOMER_ID)
checkTarget(sourceAssets, targetAssets)
sourceDevices = getCustomerDevices(SOURCE_TB_ADDRESS,SOURCE_TB_PORT,SOURCE_AUTH_TOKEN,SOURCE_CUSTOMER_ID)
targetDevices = getCustomerDevices(TARGET_TB_ADDRESS,TARGET_TB_PORT,TARGET_AUTH_TOKEN,TARGET_CUSTOMER_ID)
checkTarget(sourceDevices, targetDevices)
for asset in sourceAssets:
assetId = asset['id']['id']
assetName = asset['name']
targetAsset = next((x for x in targetAssets if x['name'] == assetName), None)
targetAssetId = targetAsset['id']['id']
targetAssetName = targetAsset['name']
print("\n =>", assetId, assetName, '=>', targetAssetId, targetAssetName)
keys = timeseriesKeys(SOURCE_TB_ADDRESS,SOURCE_TB_PORT,SOURCE_AUTH_TOKEN,assetId,'ASSET')
for key in keys:
if keyFilter("ASSET", KEY_FILTER, key):
current = startDate
while current < endDate:
startTs = int(current.timestamp()) * 1000
endTs = int(current.timestamp() + TIMEWINDOW) * 1000
sourceData = getData(SOURCE_TB_ADDRESS,SOURCE_TB_PORT,SOURCE_AUTH_TOKEN,assetId,key,startTs,endTs,'ASSET')
targetData = dict()
if CHECK_TARGET_DATA:
targetData = getData(TARGET_TB_ADDRESS,TARGET_TB_PORT,TARGET_AUTH_TOKEN,targetAssetId,key,startTs,endTs,'ASSET')
if isinstance(targetData, dict) and key in targetData:
print('Error: data already exists in target', current, assetName, key, len(targetData[key]))
else:
if isinstance(sourceData, dict) and key in sourceData:
print(current, assetName, key, len(sourceData[key]))
logging.info(current.strftime("%m/%d/%Y, %H:%M:%S") + " " + str(startTs) + " " + str(endTs) + " " + assetName + " " + key + " " + str(len(sourceData[key])))
if VERBOSE:
print(sourceData[key])
if POST_DATA:
formattedData = postDataFormat(sourceData, key)
if formattedData is not None:
postData(TARGET_TB_ADDRESS,TARGET_TB_PORT,TARGET_AUTH_TOKEN,targetAssetId,'ASSET',formattedData)
time.sleep(0.1)
else:
print(current, assetName, key)
time.sleep(0.1)
if current == endDate:
break
current = current + timedelta(seconds=(TIMEWINDOW + 1))
if current >= endDate:
current = endDate
else:
continue
break
break
for device in sourceDevices:
deviceId = device['id']['id']
deviceName = device['name']
targetDevice = next((x for x in targetDevices if x['name'] == deviceName), None)
targetDeviceId = targetDevice['id']['id']
targetDeviceName = targetDevice['name']
print("\n =>", deviceId, deviceName, '=>', targetDeviceId, targetDeviceName)
keys = timeseriesKeys(SOURCE_TB_ADDRESS,SOURCE_TB_PORT,SOURCE_AUTH_TOKEN,deviceId,'DEVICE')
for key in keys:
if keyFilter("DEVICE", KEY_FILTER, key):
current = startDate
while current < endDate:
startTs = int(current.timestamp()) * 1000
endTs = int(current.timestamp() + TIMEWINDOW) * 1000
sourceData = getData(SOURCE_TB_ADDRESS,SOURCE_TB_PORT,SOURCE_AUTH_TOKEN,deviceId,key,startTs,endTs,'DEVICE')
targetData = dict()
if CHECK_TARGET_DATA:
targetData = getData(TARGET_TB_ADDRESS,TARGET_TB_PORT,TARGET_AUTH_TOKEN,targetDeviceId,key,startTs,endTs,'DEVICE')
if isinstance(targetData, dict) and key in targetData:
print('Error: data already exists in target', current, deviceName, key, len(targetData[key]))
else:
if isinstance(sourceData, dict) and key in sourceData:
print(current, startTs, deviceName, key, len(sourceData[key]))
logging.info(current.strftime("%m/%d/%Y, %H:%M:%S") + " " + str(startTs) + " " + str(endTs) + " " + deviceName + " " + key + " " + str(len(sourceData[key])))
if VERBOSE:
print(sourceData[key])
if POST_DATA:
formattedData = postDataFormat(sourceData, key)
if formattedData is not None:
postData(TARGET_TB_ADDRESS,TARGET_TB_PORT,TARGET_AUTH_TOKEN,targetDeviceId,'DEVICE',formattedData)
time.sleep(0.1)
else:
print(current, deviceName, key)
time.sleep(0.1)
if current == endDate:
break
current = current + timedelta(seconds=(TIMEWINDOW + 1))
if current >= endDate:
current = endDate
else:
continue
break
break
logging.info('Execution finished.')
print('\nExecution finished.')