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skynet-webportal/setup-scripts/health-checker.py

108 lines
3.3 KiB
Python
Executable File

#!/usr/bin/env python3
from urllib.request import urlopen, Request
import urllib
import json
import sys
# sc_precision is the number of hastings per siacoin
sc_precision = 10 ** 24
api_endpoint = "http://localhost:9980" # TODO get port from env/param
# TODO: get values from a param
min_balance = 10_000 * sc_precision
min_unspent_renter_funds = 5_000 * sc_precision
default_renter_funds = 20_000 * sc_precision
#siac class provides wrappers for the necessary siac commands.
class siac:
# initializes values for using the API (password and
# user-agent) so that all calls to urllib.request.urlopen have these set.
@staticmethod
def initialize():
# Setup a handler with the API password
username = ""
password_mgr = urllib.request.HTTPPasswordMgrWithDefaultRealm()
password_mgr.add_password(None, api_endpoint, username, siac.get_password())
handler = urllib.request.HTTPBasicAuthHandler(password_mgr)
# Setup an opener with the correct user agent
opener = urllib.request.build_opener(handler)
opener.addheaders = [('User-agent', 'Sia-Agent')]
# Install the opener.
# Now all calls to urllib.request.urlopen use our opener.
urllib.request.install_opener(opener)
@staticmethod
def get_password():
password_file = open("/home/marcin/.sia/apipassword")
password = password_file.readlines()
return password[0].strip()
# load_json reads the http response and decodes the JSON value
@staticmethod
def load_json(resp):
return json.loads(resp.decode("utf-8"))
@staticmethod
def get_wallet():
resp = urllib.request.urlopen(api_endpoint + "/wallet").read()
return siac.load_json(resp)
@staticmethod
def get_renter():
resp = urllib.request.urlopen(api_endpoint + "/renter").read()
return siac.load_json(resp)
# Initialize the API opener
siac.initialize()
# fail should ping discord for failures in health checks that can't be managed automatically.
def fail(err_msg):
print("Error message: ", err_msg)
# check_wallet_health_check checks that the wallet is unlocked and has at least min_balance SC.
def check_wallet_health():
wallet_get = siac.get_wallet()
if not wallet_get['unlocked']:
fail("Wallet not unlocked")
confirmed_coins = int(wallet_get['confirmedsiacoinbalance'])
unconfirmed_coins = int(wallet_get['unconfirmedincomingsiacoins'])
unconfirmed_outgoing_coins = int(wallet_get['unconfirmedoutgoingsiacoins'])
balance = confirmed_coins + unconfirmed_coins - unconfirmed_outgoing_coins
print("Balance: ", balance / sc_precision)
print("Min balance: ", min_balance / sc_precision)
if balance < min_balance:
fail("Wallet balance too low: {}".format(balance))
def check_renter_health():
renter_get = siac.get_renter()
allowance = renter_get['settings']['allowance']
allowance_funds = int(allowance['funds'])
unspent_funds = int(renter_get['financialmetrics']['unspent'])
# if funds are under a certain amount, re-balance the wallet.
if unspent_funds < min_unspent_renter_funds:
#siac.set_renter_funds(default_renter_funds)
#TODO
check_renter_health()
try:
check_wallet_health()
check_renter_health()
except: # catch all exceptions
e = sys.exc_info()[0]
fail(e)