def host_context(host_name: HostName, *, write_state: bool):
"""Make a bit of context information globally available
So that functions called by checks know this context.
This is used for both legacy and agent_based API.
"""
# TODO: this is a mixture of legacy and new Check-API mechanisms. Clean this up!
try:
check_api_utils.set_hostname(host_name)
item_state.load(host_name)
yield
finally:
check_api_utils.reset_hostname()
if write_state:
item_state.save(host_name)
item_state.cleanup_item_states()
def current_host(host_name_: str, *, write_state: bool):
"""Make a bit of context information globally available
So that functions called by checks know this context.
This is used for both legacy and agent_based API.
"""
global _hostname
# we do not encourage nested contexts at all -- but it should work.
previous_host_name = _hostname
_hostname = host_name_
# TODO: this is a mixture of legacy and new Check-API mechanisms. Clean this up!
try:
item_state.load(host_name_)
yield
finally:
_hostname = previous_host_name
if write_state:
item_state.save()
item_state.cleanup_item_states()