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import os |
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import datetime |
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import json |
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from helpers.telegramhelper import sendalert, sendphoto |
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from messaging.schema import MinerSchema, PoolSchema, AvailablePoolSchema, MinerCurrentPoolSchema |
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from messaging.messages import Message, MessageSchema |
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from domain.mining import Miner, Pool, MinerCurrentPool, AvailablePool |
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from domain.rep import PoolRepository |
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import domain.minerpool |
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from backend.fcmcache import CacheKeys |
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import backend.fcmutils as utils |
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class ServiceName: |
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'''names of infrastructure services''' |
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messagebus = 'rabbit' |
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cache = 'redis' |
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database = 'mysql' |
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email = 'gmail' |
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telegram = 'telegram' |
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class InfrastructureService: |
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'''configuration for a dependency''' |
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def __init__(self, name, connection, host, port, user, password): |
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self.name = name |
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self.connection = connection |
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self.host = host |
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self.port = port |
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self.user = user |
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self.password = password |
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class BaseService(): |
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'''Every service will share reference to configuration and cache''' |
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def __init__(self, config, cache): |
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self.homedirectory = os.path.dirname(__file__) |
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self.initmessaging() |
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self.configuration = config |
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self.cache = cache |
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#subclass needs to override |
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self.component = '' |
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def initmessaging(self): |
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'''start up messaging''' |
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self._schemamsg = MessageSchema() |
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def getconfigfilename(self, configfilename): |
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'''get the contents of a config file''' |
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return os.path.join(self.homedirectory, configfilename) |
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def serialize(self, entity): |
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'''serialize any entity |
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only need schema, message class not needed |
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''' |
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if isinstance(entity, Miner): |
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return utils.serialize(entity, MinerSchema()) |
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if isinstance(entity, Pool): |
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return utils.serialize(entity, PoolSchema()) |
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return None |
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def createmessageenvelope(self): |
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'''create message envelope''' |
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return Message(timestamp=datetime.datetime.utcnow(), sender=self.component) |
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def serializemessageenvelope(self, msg): |
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'''serialize message envelope''' |
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return self._schemamsg.dumps(msg).data |
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def deserializemessageenvelope(self, body): |
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'''serialize message envelope''' |
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return self._schemamsg.load(json.loads(utils.safestring(body))).data |
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class Configuration(object): |
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def __init__(self, config): |
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self.__config = config |
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def get(self, key): |
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if not key in self.__config: |
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return None |
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return self.__config[key] |
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def is_enabled(self, key): |
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lookupkey = '{0}.enabled'.format(key) |
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if not lookupkey in self.__config: |
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return False |
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value = self.__config[lookupkey] |
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if isinstance(value, str): |
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return value == 'true' or value == 'True' |
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return False |
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class PoolService(BaseService): |
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#def __init__(self, configuration, cache): |
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# super(PoolService, self).__init__() |
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def get_all_pools(self): |
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'''configured pools''' |
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pools = PoolRepository().readpools(self.getconfigfilename('config/pools.conf')) |
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return pools |
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def findpool(self, minerpool): |
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'''find a pool in list''' |
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if minerpool is None: |
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return None |
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for pool in self.get_all_pools(): |
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if minerpool.currentpool == pool.url and minerpool.currentworker.startswith(pool.user): |
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return pool |
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return None |
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def knownpools(self): |
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if not self.cache: |
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return None |
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dknownpools = self.cache.gethashset(CacheKeys.knownpools) |
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if dknownpools: |
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return utils.deserializelist_withschema(AvailablePoolSchema(), list(dknownpools.values())) |
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return None |
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def getpool(self, miner: Miner): |
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'''get pool from cache''' |
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if not self.cache: |
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return None |
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valu = self.cache.trygetvaluefromcache(miner.name + '.pool') |
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if valu is None: |
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return None |
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entity = MinerCurrentPool(miner, **utils.deserialize(MinerCurrentPoolSchema(), valu)) |
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return entity |
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def add_pool(self, minerpool: domain.minerpool.MinerPool): |
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'''see if pool is known or not, then add it''' |
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knownpool = self.cache.getfromhashset(CacheKeys.knownpools, minerpool.pool.key) |
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if not knownpool: |
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val = utils.jsonserialize(AvailablePoolSchema(), minerpool.pool) |
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self.cache.putinhashset(CacheKeys.knownpools, minerpool.pool.key, val) |
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def putpool(self, pool: Pool): |
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'''put pool in cache''' |
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if pool and pool.name: |
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valu = self.serialize(pool) |
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self.cache.tryputcache('pool.{0}'.format(pool.name), valu) |
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def update_pool(self, key, pool: AvailablePool): |
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self.cache.hdel(CacheKeys.knownpools, key) |
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knownpool = self.cache.getfromhashset(CacheKeys.knownpools, pool.key) |
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if not knownpool: |
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val = utils.jsonserialize(AvailablePoolSchema(), pool) |
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self.cache.putinhashset(CacheKeys.knownpools, pool.key, val) |
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def save_pool(self, pool: Pool): |
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sch = PoolSchema() |
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pools = PoolRepository() |
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pools.add(pool, self.getconfigfilename('config/pools.conf'), sch) |
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#update the known pools |
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for known in self.knownpools(): |
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if pool.is_same_as(known): |
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oldkey = known.key |
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known.named_pool = pool |
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#this changes the pool key! |
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known.user = pool.user |
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#update the known pool (with new key) |
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self.update_pool(oldkey, known) |
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class Telegram(object): |
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def __init__(self, config, service): |
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self.configuration = config |
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self.service = service |
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def sendmessage(self, message): |
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if self.configuration.is_enabled('telegram'): |
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sendalert(message, self.service) |
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def sendphoto(self, file_name): |
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if os.path.isfile(file_name) and os.path.getsize(file_name) > 0: |
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if self.configuration.is_enabled('telegram'): |
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sendphoto(file_name, self.service) |
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dfoderick /
fullcycle
