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Code Issues Releases Wiki Activity

Limit hostnames to 31 characters (#2531)

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This commit is contained in:
Oxan van Leeuwen
2021-10-22 12:09:47 +02:00
committed by GitHub
parent 9220d9fc52
commit f7b3f52731
3 changed files with 62 additions and 73 deletions
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95
esphome/core/config.py
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@@ -55,6 +55,24 @@ CONF_NAME_ADD_MAC_SUFFIX = "name_add_mac_suffix"
VALID_INCLUDE_EXTS = {".h", ".hpp", ".tcc", ".ino", ".cpp", ".c"}
def validate_hostname(config):
max_length = 31
if config[CONF_NAME_ADD_MAC_SUFFIX]:
max_length -= 7 # "-AABBCC" is appended when add mac suffix option is used
if len(config[CONF_NAME]) > max_length:
raise cv.Invalid(
f"Hostnames can only be {max_length} characters long", path=[CONF_NAME]
)
if "_" in config[CONF_NAME]:
_LOGGER.warning(
"'%s': Using the '_' (underscore) character in the hostname is discouraged "
"as it can cause problems with some DHCP and local name services. "
"For more information, see https://esphome.io/guides/faq.html#why-shouldn-t-i-use-underscores-in-my-device-name",
config[CONF_NAME],
)
return config
def valid_include(value):
try:
return cv.directory(value)
@@ -79,42 +97,47 @@ def valid_project_name(value: str):
CONF_ESP8266_RESTORE_FROM_FLASH = "esp8266_restore_from_flash"
CONFIG_SCHEMA = cv.Schema(
{
cv.Required(CONF_NAME): cv.hostname,
cv.Optional(CONF_COMMENT): cv.string,
cv.Required(CONF_BUILD_PATH): cv.string,
cv.Optional(CONF_PLATFORMIO_OPTIONS, default={}): cv.Schema(
{
cv.string_strict: cv.Any([cv.string], cv.string),
}
),
cv.Optional(CONF_ON_BOOT): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(StartupTrigger),
cv.Optional(CONF_PRIORITY, default=600.0): cv.float_,
}
),
cv.Optional(CONF_ON_SHUTDOWN): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(ShutdownTrigger),
}
),
cv.Optional(CONF_ON_LOOP): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(LoopTrigger),
}
),
cv.Optional(CONF_INCLUDES, default=[]): cv.ensure_list(valid_include),
cv.Optional(CONF_LIBRARIES, default=[]): cv.ensure_list(cv.string_strict),
cv.Optional(CONF_NAME_ADD_MAC_SUFFIX, default=False): cv.boolean,
cv.Optional(CONF_PROJECT): cv.Schema(
{
cv.Required(CONF_NAME): cv.All(cv.string_strict, valid_project_name),
cv.Required(CONF_VERSION): cv.string_strict,
}
),
}
CONFIG_SCHEMA = cv.All(
cv.Schema(
{
cv.Required(CONF_NAME): cv.valid_name,
cv.Optional(CONF_COMMENT): cv.string,
cv.Required(CONF_BUILD_PATH): cv.string,
cv.Optional(CONF_PLATFORMIO_OPTIONS, default={}): cv.Schema(
{
cv.string_strict: cv.Any([cv.string], cv.string),
}
),
cv.Optional(CONF_ON_BOOT): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(StartupTrigger),
cv.Optional(CONF_PRIORITY, default=600.0): cv.float_,
}
),
cv.Optional(CONF_ON_SHUTDOWN): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(ShutdownTrigger),
}
),
cv.Optional(CONF_ON_LOOP): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(LoopTrigger),
}
),
cv.Optional(CONF_INCLUDES, default=[]): cv.ensure_list(valid_include),
cv.Optional(CONF_LIBRARIES, default=[]): cv.ensure_list(cv.string_strict),
cv.Optional(CONF_NAME_ADD_MAC_SUFFIX, default=False): cv.boolean,
cv.Optional(CONF_PROJECT): cv.Schema(
{
cv.Required(CONF_NAME): cv.All(
cv.string_strict, valid_project_name
),
cv.Required(CONF_VERSION): cv.string_strict,
}
),
}
),
validate_hostname,
)
PRELOAD_CONFIG_SCHEMA = cv.Schema(