mirror of
https://github.com/esphome/esphome.git
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121 lines
4.4 KiB
Python
121 lines
4.4 KiB
Python
from __future__ import print_function
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from datetime import datetime
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import hashlib
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import logging
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import socket
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import ssl
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import sys
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import paho.mqtt.client as mqtt
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from esphomeyaml.const import CONF_BROKER, CONF_DISCOVERY_PREFIX, CONF_ESPHOMEYAML, \
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CONF_LOG_TOPIC, CONF_MQTT, CONF_NAME, CONF_PASSWORD, CONF_PORT, CONF_SSL_FINGERPRINTS, \
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CONF_TOPIC, CONF_TOPIC_PREFIX, CONF_USERNAME
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from esphomeyaml.core import CORE, EsphomeyamlError
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from esphomeyaml.helpers import color
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from esphomeyaml.util import safe_print
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_LOGGER = logging.getLogger(__name__)
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def initialize(config, subscriptions, on_message, username, password, client_id):
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def on_connect(client, userdata, flags, return_code):
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for topic in subscriptions:
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client.subscribe(topic)
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client = mqtt.Client(client_id or u'')
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client.on_connect = on_connect
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client.on_message = on_message
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if username is None:
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if config[CONF_MQTT].get(CONF_USERNAME):
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client.username_pw_set(config[CONF_MQTT][CONF_USERNAME],
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config[CONF_MQTT][CONF_PASSWORD])
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elif username:
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client.username_pw_set(username, password)
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if config[CONF_MQTT].get(CONF_SSL_FINGERPRINTS):
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if sys.version_info >= (2, 7, 13):
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tls_version = ssl.PROTOCOL_TLS # pylint: disable=no-member
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else:
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tls_version = ssl.PROTOCOL_SSLv23
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client.tls_set(ca_certs=None, certfile=None, keyfile=None, cert_reqs=ssl.CERT_REQUIRED,
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tls_version=tls_version, ciphers=None)
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try:
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client.connect(config[CONF_MQTT][CONF_BROKER], config[CONF_MQTT][CONF_PORT])
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except socket.error as err:
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raise EsphomeyamlError("Cannot connect to MQTT broker: {}".format(err))
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try:
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client.loop_forever()
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except KeyboardInterrupt:
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pass
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return 0
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def show_logs(config, topic=None, username=None, password=None, client_id=None, escape=False):
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if topic is not None:
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pass # already have topic
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elif CONF_MQTT in config:
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conf = config[CONF_MQTT]
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if CONF_LOG_TOPIC in conf:
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topic = config[CONF_MQTT][CONF_LOG_TOPIC][CONF_TOPIC]
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elif CONF_TOPIC_PREFIX in config[CONF_MQTT]:
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topic = config[CONF_MQTT][CONF_TOPIC_PREFIX] + u'/debug'
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else:
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topic = config[CONF_ESPHOMEYAML][CONF_NAME] + u'/debug'
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else:
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_LOGGER.error(u"MQTT isn't setup, can't start MQTT logs")
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return 1
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_LOGGER.info(u"Starting log output from %s", topic)
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def on_message(client, userdata, msg):
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time = datetime.now().time().strftime(u'[%H:%M:%S]')
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message = time + msg.payload
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if escape:
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message = message.replace('\033', '\\033')
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safe_print(message)
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return initialize(config, [topic], on_message, username, password, client_id)
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def clear_topic(config, topic, username=None, password=None, client_id=None):
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if topic is None:
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discovery_prefix = config[CONF_MQTT].get(CONF_DISCOVERY_PREFIX, u'homeassistant')
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name = config[CONF_ESPHOMEYAML][CONF_NAME]
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topic = u'{}/+/{}/#'.format(discovery_prefix, name)
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_LOGGER.info(u"Clearing messages from '%s'", topic)
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_LOGGER.info(u"Please close this window when no more messages appear and the "
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u"MQTT topic has been cleared of retained messages.")
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def on_message(client, userdata, msg):
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if not msg.payload or not msg.retain:
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return
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try:
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print(u"Clearing topic {}".format(msg.topic))
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except UnicodeDecodeError:
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print(u"Skipping non-UTF-8 topic (prohibited by MQTT standard)")
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return
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client.publish(msg.topic, None, retain=True)
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return initialize(config, [topic], on_message, username, password, client_id)
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# From marvinroger/async-mqtt-client -> scripts/get-fingerprint/get-fingerprint.py
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def get_fingerprint(config):
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addr = config[CONF_MQTT][CONF_BROKER], config[CONF_MQTT][CONF_PORT]
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_LOGGER.info("Getting fingerprint from %s:%s", addr[0], addr[1])
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try:
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cert_pem = ssl.get_server_certificate(addr)
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except IOError as err:
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_LOGGER.error("Unable to connect to server: %s", err)
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return 1
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cert_der = ssl.PEM_cert_to_DER_cert(cert_pem)
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sha1 = hashlib.sha1(cert_der).hexdigest()
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safe_print(u"SHA1 Fingerprint: " + color('cyan', sha1))
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safe_print(u"Copy the string above into mqtt.ssl_fingerprints section of {}"
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u"".format(CORE.config_path))
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return 0
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