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mirror of https://github.com/esphome/esphome.git synced 2025-02-13 00:18:21 +00:00
Jan Grewe 84bac8356a
Add Prometheus metrics relabeling (#3734)
Co-authored-by: Guillermo Ruffino <glm.net@gmail.com>
2022-08-30 10:55:55 +12:00

59 lines
1.7 KiB
Python

import esphome.config_validation as cv
import esphome.codegen as cg
from esphome.const import (
CONF_ID,
CONF_NAME,
CONF_INCLUDE_INTERNAL,
CONF_RELABEL,
)
from esphome.components.web_server_base import CONF_WEB_SERVER_BASE_ID
from esphome.components import web_server_base
from esphome.cpp_types import EntityBase
AUTO_LOAD = ["web_server_base"]
prometheus_ns = cg.esphome_ns.namespace("prometheus")
PrometheusHandler = prometheus_ns.class_("PrometheusHandler", cg.Component)
CUSTOMIZED_ENTITY = cv.Schema(
{
cv.Optional(CONF_ID): cv.string_strict,
cv.Optional(CONF_NAME): cv.string_strict,
},
cv.has_at_least_one_key,
)
CONFIG_SCHEMA = cv.Schema(
{
cv.GenerateID(): cv.declare_id(PrometheusHandler),
cv.GenerateID(CONF_WEB_SERVER_BASE_ID): cv.use_id(
web_server_base.WebServerBase
),
cv.Optional(CONF_INCLUDE_INTERNAL, default=False): cv.boolean,
cv.Optional(CONF_RELABEL, default={}): cv.Schema(
{
cv.use_id(EntityBase): CUSTOMIZED_ENTITY,
}
),
},
cv.only_with_arduino,
).extend(cv.COMPONENT_SCHEMA)
async def to_code(config):
paren = await cg.get_variable(config[CONF_WEB_SERVER_BASE_ID])
cg.add_define("USE_PROMETHEUS")
var = cg.new_Pvariable(config[CONF_ID], paren)
await cg.register_component(var, config)
cg.add(var.set_include_internal(config[CONF_INCLUDE_INTERNAL]))
for key, value in config[CONF_RELABEL].items():
entity = await cg.get_variable(key)
if CONF_ID in value:
cg.add(var.add_label_id(entity, value[CONF_ID]))
if CONF_NAME in value:
cg.add(var.add_label_name(entity, value[CONF_NAME]))