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Allow pushing results to influxdb #52

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Allow pushing results to influxdb #52

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c54d16d
Init version to push to influxdb
Nov 25, 2018
7ca67e2
Documentation minor
Nov 25, 2018
a094843
Minor code comments
Nov 25, 2018
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35 changes: 35 additions & 0 deletions tplink_smartplug.py
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,12 @@ def decrypt(string):
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument("-c", "--command", metavar="<command>", help="Preset command to send. Choices are: "+", ".join(commands), choices=commands)
group.add_argument("-j", "--json", metavar="<JSON string>", help="Full JSON string of command to send")
parser.add_argument('--influxdb', type=str, metavar=("URI", "database"), default=None,
nargs=2, help='If command is "energy", push to influxdb. URI should point to influxdb, e.g. [http/https]://<ip>:<port>. Database: e.g. smarthome.')
parser.add_argument('--influxdb_energy', type=str, metavar="query", default=None,
help='query to store energy as Joule, e.g. energy,type=elec,device=hs110-1 this will be appended with <energy in joule> (as int)')
parser.add_argument('--influxdb_power', type=str, metavar="query", default=None,
help='query to store power as Watt, e.g. power,type=elec,device=hs110-1 this will be appended with <power in W> (as float)')
args = parser.parse_args()


Expand All @@ -101,3 +107,32 @@ def decrypt(string):
except socket.error:
quit("Cound not connect to host " + ip + ":" + str(port))

if (args.command == "energy") and (args.influxdb != None):
import requests
import json

# Get total_wh and power_mw from json response
energy_response = decrypt(data[4:])
energy_wh = json.loads(energy_response)['emeter']['get_realtime']['total_wh']
energy_joule = int(energy_wh)*3600
power_mW = json.loads(energy_response)['emeter']['get_realtime']['power_mw']
power_W = float(power_mW)/1000.0

# Build URI and query
# Something like req_url = "http://localhost:8086/write?db=smarthometest&precision=s"
# Something like post_data = "water,type=usage,device=devicename value=1"
req_url = args.influxdb[0]+"/write?db="+args.influxdb[1]+"&precision=s"
post_data = ""
if (args.influxdb_energy != None):
post_data = args.influxdb_energy+" value="+str(energy_joule)
if (args.influxdb_power != None):
post_data += "\n"+args.influxdb_power+" value="+str(power_W)

# Post data to influxdb, check for obvious errors
try:
httpresponse = requests.post(req_url, data=post_data, verify=False, timeout=5)
if (httpresponse.status_code != 204):
print "Push to influxdb failed: " + str(httpresponse.status_code) + " - " + str(httpresponse.text)
except requests.exceptions.Timeout as e:
print "Update failed due to timeout. Is influxdb running?"