Wolfgang Hottgenroth
c54b335e5f
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80 lines
4.6 KiB
Python
80 lines
4.6 KiB
Python
import psycopg2
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from loguru import logger
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import os
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srcPgHost = os.environ["SRC_PGHOST"]
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srcPgUser = os.environ["SRC_PGUSER"]
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srcPgPassword = os.environ["SRC_PGPASSWORD"]
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srcPgDatabase = os.environ["SRC_PGDATABASE"]
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destPgHost = os.environ["DEST_PGHOST"]
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destPgUser = os.environ["DEST_PGUSER"]
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destPgPassword = os.environ["DEST_PGPASSWORD"]
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destPgDatabase = os.environ["DEST_PGDATABASE"]
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try:
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srcConn = psycopg2.connect(
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host=srcPgHost,
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dbname=srcPgDatabase,
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user=srcPgUser,
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password=srcPgPassword,
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sslmode='require'
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)
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srcConn.autocommit = False
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destConn = psycopg2.connect(
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host=destPgHost,
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dbname=destPgDatabase,
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user=destPgUser,
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password=destPgPassword,
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sslmode='require'
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)
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destConn.autocommit = False
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with srcConn.cursor() as srcCur, destConn.cursor() as destCur:
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srcCur.execute("select time, deviceid, status, state, importenergyactive, importenergyreactive, exportenergyactive, exportenergyreactive, powerapparent, poweractive, powerreactive, powerdemandpositive, powerdemandreverse, factor, angle, voltage, current, powerdemand from pv_power_measurement order by time")
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for srcObj in srcCur:
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timestamp = srcObj[0]
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deviceName = srcObj[1]
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status = srcObj[2]
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state = srcObj[3]
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importenergyactive = srcObj[4]
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importenergyreactive = srcObj[5]
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exportenergyactive = srcObj[6]
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exportenergyreactive = srcObj[7]
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powerapparent = srcObj[8]
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poweractive = srcObj[9]
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powerreactive = srcObj[10]
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powerdemandpositive = srcObj[11]
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powerdemandreverse = srcObj[12]
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factor = srcObj[13]
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angle = srcObj[14]
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voltage = srcObj[15]
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current = srcObj[16]
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powerdemand = srcObj[17]
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logger.info(f"{timestamp=}, {deviceName=}")
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destTime = timestamp
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destApplication = "PV"
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destDevice = "Powermeter"
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destAttributes = f"{\"ApplicationId\":\"PV\", \"Status\":\"{status}\",\"Hint\": \"Migrated\"}'
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destValues = f"{\"Cnt\": {\"unit\": \"\", \"label\": \"\", \"value\": \"-1\", \"variable\": \"Cnt\"}, \"Angle\": {\"unit\": \"degree\", \"label\": \"\", \"value\": \"{angle}\", \"variable\": \"Angle\"}, \"State\": {\"unit\": \"\", \"label\": \"\", \"value\": \"{state}\", \"variable\": \"State\"}, \"Factor\": {\"unit\": \"\", \"label\": \"\", \"value\": \"{factor}\", \"variable\": \"Factor\"}, \"Current\": {\"unit\": \"A\", \"label\": \"\", \"value\": \"{current}\", \"variable\": \"Current\"}, \"Voltage\": {\"unit\": \"V\", \"label\": \"\", \"value\": \"{voltage}\", \"variable\": \"Voltage\"}, \"PowerActive\": {\"unit\": \"W\", \"label\": \"\", \"value\": \"{poweractive}\", \"variable\": \"PowerActive\"}, \"PowerApparent\": {\"unit\": \"VA\", \"label\": \"\", \"value\": \"{powerapparent}\", \"variable\": \"PowerApparent\"}, \"PowerReactive\": {\"unit\": \"VA\", \"label\": \"\", \"value\": \"{powerreactive}\", \"variable\": \"PowerReactive\"}, \"ExportEnergyActive\": {\"unit\": \"Wh\", \"label\": \"\", \"value\": \"{exportenergyactive}\", \"variable\": \"ExportEnergyActive\"}, \"ImportEnergyActive\": {\"unit\": \"Wh\", \"label\": \"\", \"value\": \"{importenergyactive}\", \"variable\": \"ImportEnergyActive\"}, \"PowerDemandReverse\": {\"unit\": \"W\", \"label\": \"\", \"value\": \"{powerdemandreverse}\", \"variable\": \"PowerDemandReverse\"}, \"PowerDemandPositive\": {\"unit\": \"W\", \"label\": \"\", \"value\": \"{powerdemandpositive}\", \"variable\": \"PowerDemandPositive\"}, \"ExportEnergyReactive\": {\"unit\": \"VAh\", \"label\": \"\", \"value\": \"{exportenergyreactive}\", \"variable\": \"ExportEnergyReactive\"}, \"ImportEnergyReactive\": {\"unit\": \"VAh\", \"label\": \"\", \"value\": \"{importenergyreactive}\", \"variable\": \"ImportEnergyReactive\"}}"
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logger.info(f"{destTime=}, {destApplication=}, {destDevice=}, {destAttributes=}, {destValues=}")
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try:
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destCur.execute("insert into measurements (time, application, device, attributes, values) values(%s, %s, %s, %s, %s)",
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(destTime, destApplication, destDevice, destAttributes, destValues))
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destConn.commit()
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except Exception as e:
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destConn.rollback()
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logger.error(f"Error {e} when inserted time {destTime}")
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finally:
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if srcConn:
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srcConn.close()
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if destConn:
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destConn.close()
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