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esphome/esphome/components/mqtt/__init__.py

420 lines
15 KiB
Python
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import re
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import automation
from esphome.automation import Condition
from esphome.components import logger
from esphome.const import (
CONF_AVAILABILITY,
CONF_BIRTH_MESSAGE,
CONF_BROKER,
CONF_CLIENT_ID,
CONF_COMMAND_TOPIC,
CONF_DISCOVERY,
CONF_DISCOVERY_PREFIX,
CONF_DISCOVERY_RETAIN,
CONF_DISCOVERY_UNIQUE_ID_GENERATOR,
CONF_ID,
CONF_KEEPALIVE,
CONF_LEVEL,
CONF_LOG_TOPIC,
CONF_ON_JSON_MESSAGE,
CONF_ON_MESSAGE,
CONF_PASSWORD,
CONF_PAYLOAD,
CONF_PAYLOAD_AVAILABLE,
CONF_PAYLOAD_NOT_AVAILABLE,
CONF_PORT,
CONF_QOS,
CONF_REBOOT_TIMEOUT,
CONF_RETAIN,
CONF_SHUTDOWN_MESSAGE,
CONF_SSL_FINGERPRINTS,
CONF_STATE_TOPIC,
CONF_TOPIC,
CONF_TOPIC_PREFIX,
CONF_TRIGGER_ID,
CONF_USE_ABBREVIATIONS,
CONF_USERNAME,
CONF_WILL_MESSAGE,
)
from esphome.core import coroutine_with_priority, CORE
DEPENDENCIES = ["network"]
AUTO_LOAD = ["json", "async_tcp"]
def validate_message_just_topic(value):
value = cv.publish_topic(value)
return MQTT_MESSAGE_BASE({CONF_TOPIC: value})
MQTT_MESSAGE_BASE = cv.Schema(
{
cv.Required(CONF_TOPIC): cv.publish_topic,
cv.Optional(CONF_QOS, default=0): cv.mqtt_qos,
cv.Optional(CONF_RETAIN, default=True): cv.boolean,
}
)
MQTT_MESSAGE_TEMPLATE_SCHEMA = cv.Any(
None, MQTT_MESSAGE_BASE, validate_message_just_topic
)
MQTT_MESSAGE_SCHEMA = cv.Any(
None,
MQTT_MESSAGE_BASE.extend(
{
cv.Required(CONF_PAYLOAD): cv.mqtt_payload,
}
),
)
mqtt_ns = cg.esphome_ns.namespace("mqtt")
MQTTMessage = mqtt_ns.struct("MQTTMessage")
MQTTClientComponent = mqtt_ns.class_("MQTTClientComponent", cg.Component)
MQTTPublishAction = mqtt_ns.class_("MQTTPublishAction", automation.Action)
MQTTPublishJsonAction = mqtt_ns.class_("MQTTPublishJsonAction", automation.Action)
MQTTMessageTrigger = mqtt_ns.class_(
"MQTTMessageTrigger", automation.Trigger.template(cg.std_string), cg.Component
)
MQTTJsonMessageTrigger = mqtt_ns.class_(
"MQTTJsonMessageTrigger", automation.Trigger.template(cg.JsonObjectConst)
)
MQTTComponent = mqtt_ns.class_("MQTTComponent", cg.Component)
MQTTConnectedCondition = mqtt_ns.class_("MQTTConnectedCondition", Condition)
MQTTBinarySensorComponent = mqtt_ns.class_("MQTTBinarySensorComponent", MQTTComponent)
MQTTClimateComponent = mqtt_ns.class_("MQTTClimateComponent", MQTTComponent)
MQTTCoverComponent = mqtt_ns.class_("MQTTCoverComponent", MQTTComponent)
MQTTFanComponent = mqtt_ns.class_("MQTTFanComponent", MQTTComponent)
MQTTJSONLightComponent = mqtt_ns.class_("MQTTJSONLightComponent", MQTTComponent)
MQTTSensorComponent = mqtt_ns.class_("MQTTSensorComponent", MQTTComponent)
MQTTSwitchComponent = mqtt_ns.class_("MQTTSwitchComponent", MQTTComponent)
MQTTTextSensor = mqtt_ns.class_("MQTTTextSensor", MQTTComponent)
MQTTNumberComponent = mqtt_ns.class_("MQTTNumberComponent", MQTTComponent)
MQTTSelectComponent = mqtt_ns.class_("MQTTSelectComponent", MQTTComponent)
MQTTButtonComponent = mqtt_ns.class_("MQTTButtonComponent", MQTTComponent)
MQTTDiscoveryUniqueIdGenerator = mqtt_ns.enum("MQTTDiscoveryUniqueIdGenerator")
MQTT_DISCOVERY_UNIQUE_ID_GENERATOR_OPTIONS = {
"legacy": MQTTDiscoveryUniqueIdGenerator.MQTT_LEGACY_UNIQUE_ID_GENERATOR,
"mac": MQTTDiscoveryUniqueIdGenerator.MQTT_MAC_ADDRESS_UNIQUE_ID_GENERATOR,
}
def validate_config(value):
# Populate default fields
out = value.copy()
topic_prefix = value[CONF_TOPIC_PREFIX]
if CONF_BIRTH_MESSAGE not in value:
out[CONF_BIRTH_MESSAGE] = {
CONF_TOPIC: f"{topic_prefix}/status",
CONF_PAYLOAD: "online",
CONF_QOS: 0,
CONF_RETAIN: True,
}
if CONF_WILL_MESSAGE not in value:
out[CONF_WILL_MESSAGE] = {
CONF_TOPIC: f"{topic_prefix}/status",
CONF_PAYLOAD: "offline",
CONF_QOS: 0,
CONF_RETAIN: True,
}
if CONF_SHUTDOWN_MESSAGE not in value:
out[CONF_SHUTDOWN_MESSAGE] = {
CONF_TOPIC: f"{topic_prefix}/status",
CONF_PAYLOAD: "offline",
CONF_QOS: 0,
CONF_RETAIN: True,
}
if CONF_LOG_TOPIC not in value:
out[CONF_LOG_TOPIC] = {
CONF_TOPIC: f"{topic_prefix}/debug",
CONF_QOS: 0,
CONF_RETAIN: True,
}
return out
def validate_fingerprint(value):
value = cv.string(value)
if re.match(r"^[0-9a-f]{40}$", value) is None:
raise cv.Invalid("fingerprint must be valid SHA1 hash")
return value
CONFIG_SCHEMA = cv.All(
cv.Schema(
{
cv.GenerateID(): cv.declare_id(MQTTClientComponent),
cv.Required(CONF_BROKER): cv.string_strict,
cv.Optional(CONF_PORT, default=1883): cv.port,
cv.Optional(CONF_USERNAME, default=""): cv.string,
cv.Optional(CONF_PASSWORD, default=""): cv.string,
cv.Optional(CONF_CLIENT_ID): cv.string,
cv.Optional(CONF_DISCOVERY, default=True): cv.Any(
cv.boolean, cv.one_of("CLEAN", upper=True)
),
cv.Optional(CONF_DISCOVERY_RETAIN, default=True): cv.boolean,
cv.Optional(
CONF_DISCOVERY_PREFIX, default="homeassistant"
): cv.publish_topic,
cv.Optional(CONF_DISCOVERY_UNIQUE_ID_GENERATOR, default="legacy"): cv.enum(
MQTT_DISCOVERY_UNIQUE_ID_GENERATOR_OPTIONS
),
cv.Optional(CONF_USE_ABBREVIATIONS, default=True): cv.boolean,
cv.Optional(CONF_BIRTH_MESSAGE): MQTT_MESSAGE_SCHEMA,
cv.Optional(CONF_WILL_MESSAGE): MQTT_MESSAGE_SCHEMA,
cv.Optional(CONF_SHUTDOWN_MESSAGE): MQTT_MESSAGE_SCHEMA,
cv.Optional(CONF_TOPIC_PREFIX, default=lambda: CORE.name): cv.publish_topic,
cv.Optional(CONF_LOG_TOPIC): cv.Any(
None,
MQTT_MESSAGE_BASE.extend(
{
cv.Optional(CONF_LEVEL): logger.is_log_level,
}
),
validate_message_just_topic,
),
cv.Optional(CONF_SSL_FINGERPRINTS): cv.All(
cv.only_on_esp8266, cv.ensure_list(validate_fingerprint)
),
cv.Optional(CONF_KEEPALIVE, default="15s"): cv.positive_time_period_seconds,
cv.Optional(
CONF_REBOOT_TIMEOUT, default="15min"
): cv.positive_time_period_milliseconds,
cv.Optional(CONF_ON_MESSAGE): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(MQTTMessageTrigger),
cv.Required(CONF_TOPIC): cv.subscribe_topic,
cv.Optional(CONF_QOS, default=0): cv.mqtt_qos,
cv.Optional(CONF_PAYLOAD): cv.string_strict,
}
),
cv.Optional(CONF_ON_JSON_MESSAGE): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
MQTTJsonMessageTrigger
),
cv.Required(CONF_TOPIC): cv.subscribe_topic,
cv.Optional(CONF_QOS, default=0): cv.mqtt_qos,
}
),
}
),
validate_config,
cv.only_with_arduino,
)
def exp_mqtt_message(config):
if config is None:
return cg.optional(cg.TemplateArguments(MQTTMessage))
exp = cg.StructInitializer(
MQTTMessage,
("topic", config[CONF_TOPIC]),
("payload", config.get(CONF_PAYLOAD, "")),
("qos", config[CONF_QOS]),
("retain", config[CONF_RETAIN]),
)
return exp
@coroutine_with_priority(40.0)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
# https://github.com/OttoWinter/async-mqtt-client/blob/master/library.json
cg.add_library("ottowinter/AsyncMqttClient-esphome", "0.8.6")
cg.add_define("USE_MQTT")
cg.add_global(mqtt_ns.using)
cg.add(var.set_broker_address(config[CONF_BROKER]))
cg.add(var.set_broker_port(config[CONF_PORT]))
cg.add(var.set_username(config[CONF_USERNAME]))
cg.add(var.set_password(config[CONF_PASSWORD]))
if CONF_CLIENT_ID in config:
cg.add(var.set_client_id(config[CONF_CLIENT_ID]))
discovery = config[CONF_DISCOVERY]
discovery_retain = config[CONF_DISCOVERY_RETAIN]
discovery_prefix = config[CONF_DISCOVERY_PREFIX]
discovery_unique_id_generator = config[CONF_DISCOVERY_UNIQUE_ID_GENERATOR]
if not discovery:
cg.add(var.disable_discovery())
elif discovery == "CLEAN":
cg.add(
var.set_discovery_info(
discovery_prefix, discovery_unique_id_generator, discovery_retain, True
)
)
elif CONF_DISCOVERY_RETAIN in config or CONF_DISCOVERY_PREFIX in config:
cg.add(
var.set_discovery_info(
discovery_prefix, discovery_unique_id_generator, discovery_retain
)
)
cg.add(var.set_topic_prefix(config[CONF_TOPIC_PREFIX]))
if config[CONF_USE_ABBREVIATIONS]:
cg.add_define("USE_MQTT_ABBREVIATIONS")
birth_message = config[CONF_BIRTH_MESSAGE]
if not birth_message:
cg.add(var.disable_birth_message())
else:
cg.add(var.set_birth_message(exp_mqtt_message(birth_message)))
will_message = config[CONF_WILL_MESSAGE]
if not will_message:
cg.add(var.disable_last_will())
else:
cg.add(var.set_last_will(exp_mqtt_message(will_message)))
shutdown_message = config[CONF_SHUTDOWN_MESSAGE]
if not shutdown_message:
cg.add(var.disable_shutdown_message())
else:
cg.add(var.set_shutdown_message(exp_mqtt_message(shutdown_message)))
log_topic = config[CONF_LOG_TOPIC]
if not log_topic:
cg.add(var.disable_log_message())
else:
cg.add(var.set_log_message_template(exp_mqtt_message(log_topic)))
if CONF_LEVEL in log_topic:
cg.add(var.set_log_level(logger.LOG_LEVELS[log_topic[CONF_LEVEL]]))
if CONF_SSL_FINGERPRINTS in config:
for fingerprint in config[CONF_SSL_FINGERPRINTS]:
arr = [
cg.RawExpression(f"0x{fingerprint[i:i + 2]}") for i in range(0, 40, 2)
]
cg.add(var.add_ssl_fingerprint(arr))
cg.add_build_flag("-DASYNC_TCP_SSL_ENABLED=1")
cg.add(var.set_keep_alive(config[CONF_KEEPALIVE]))
cg.add(var.set_reboot_timeout(config[CONF_REBOOT_TIMEOUT]))
for conf in config.get(CONF_ON_MESSAGE, []):
trig = cg.new_Pvariable(conf[CONF_TRIGGER_ID], conf[CONF_TOPIC])
cg.add(trig.set_qos(conf[CONF_QOS]))
if CONF_PAYLOAD in conf:
cg.add(trig.set_payload(conf[CONF_PAYLOAD]))
await cg.register_component(trig, conf)
await automation.build_automation(trig, [(cg.std_string, "x")], conf)
for conf in config.get(CONF_ON_JSON_MESSAGE, []):
trig = cg.new_Pvariable(conf[CONF_TRIGGER_ID], conf[CONF_TOPIC], conf[CONF_QOS])
await automation.build_automation(trig, [(cg.JsonObjectConst, "x")], conf)
MQTT_PUBLISH_ACTION_SCHEMA = cv.Schema(
{
cv.GenerateID(): cv.use_id(MQTTClientComponent),
cv.Required(CONF_TOPIC): cv.templatable(cv.publish_topic),
cv.Required(CONF_PAYLOAD): cv.templatable(cv.mqtt_payload),
cv.Optional(CONF_QOS, default=0): cv.templatable(cv.mqtt_qos),
cv.Optional(CONF_RETAIN, default=False): cv.templatable(cv.boolean),
}
)
@automation.register_action(
"mqtt.publish", MQTTPublishAction, MQTT_PUBLISH_ACTION_SCHEMA
)
async def mqtt_publish_action_to_code(config, action_id, template_arg, args):
paren = await cg.get_variable(config[CONF_ID])
var = cg.new_Pvariable(action_id, template_arg, paren)
template_ = await cg.templatable(config[CONF_TOPIC], args, cg.std_string)
cg.add(var.set_topic(template_))
template_ = await cg.templatable(config[CONF_PAYLOAD], args, cg.std_string)
cg.add(var.set_payload(template_))
template_ = await cg.templatable(config[CONF_QOS], args, cg.uint8)
cg.add(var.set_qos(template_))
template_ = await cg.templatable(config[CONF_RETAIN], args, bool)
cg.add(var.set_retain(template_))
return var
MQTT_PUBLISH_JSON_ACTION_SCHEMA = cv.Schema(
{
cv.GenerateID(): cv.use_id(MQTTClientComponent),
cv.Required(CONF_TOPIC): cv.templatable(cv.publish_topic),
cv.Required(CONF_PAYLOAD): cv.lambda_,
cv.Optional(CONF_QOS, default=0): cv.templatable(cv.mqtt_qos),
cv.Optional(CONF_RETAIN, default=False): cv.templatable(cv.boolean),
}
)
@automation.register_action(
"mqtt.publish_json", MQTTPublishJsonAction, MQTT_PUBLISH_JSON_ACTION_SCHEMA
)
async def mqtt_publish_json_action_to_code(config, action_id, template_arg, args):
paren = await cg.get_variable(config[CONF_ID])
var = cg.new_Pvariable(action_id, template_arg, paren)
template_ = await cg.templatable(config[CONF_TOPIC], args, cg.std_string)
cg.add(var.set_topic(template_))
args_ = args + [(cg.JsonObject, "root")]
lambda_ = await cg.process_lambda(config[CONF_PAYLOAD], args_, return_type=cg.void)
cg.add(var.set_payload(lambda_))
template_ = await cg.templatable(config[CONF_QOS], args, cg.uint8)
cg.add(var.set_qos(template_))
template_ = await cg.templatable(config[CONF_RETAIN], args, bool)
cg.add(var.set_retain(template_))
return var
def get_default_topic_for(data, component_type, name, suffix):
allowlist = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_"
sanitized_name = "".join(
x for x in name.lower().replace(" ", "_") if x in allowlist
)
return f"{data.topic_prefix}/{component_type}/{sanitized_name}/{suffix}"
async def register_mqtt_component(var, config):
await cg.register_component(var, {})
if CONF_RETAIN in config:
cg.add(var.set_retain(config[CONF_RETAIN]))
if not config.get(CONF_DISCOVERY, True):
cg.add(var.disable_discovery())
if CONF_STATE_TOPIC in config:
cg.add(var.set_custom_state_topic(config[CONF_STATE_TOPIC]))
if CONF_COMMAND_TOPIC in config:
cg.add(var.set_custom_command_topic(config[CONF_COMMAND_TOPIC]))
if CONF_AVAILABILITY in config:
availability = config[CONF_AVAILABILITY]
if not availability:
cg.add(var.disable_availability())
else:
cg.add(
var.set_availability(
availability[CONF_TOPIC],
availability[CONF_PAYLOAD_AVAILABLE],
availability[CONF_PAYLOAD_NOT_AVAILABLE],
)
)
@automation.register_condition(
"mqtt.connected",
MQTTConnectedCondition,
cv.Schema(
{
cv.GenerateID(): cv.use_id(MQTTClientComponent),
}
),
)
async def mqtt_connected_to_code(config, condition_id, template_arg, args):
paren = await cg.get_variable(config[CONF_ID])
return cg.new_Pvariable(condition_id, template_arg, paren)
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