def start_dns_server(asynchronous=False):
try:
# start local DNS server, if present
from localstack_ext import config as config_ext
from localstack_ext.services import dns_server
if config_ext.DNS_ADDRESS in config.FALSE_STRINGS:
return
if is_port_open(PORT_DNS):
return
if is_root():
result = dns_server.start_servers()
if not asynchronous:
sleep_forever()
return result
env_vars = {}
for env_var in config.CONFIG_ENV_VARS:
if env_var.startswith("DNS_"):
value = os.environ.get(env_var, None)
if value is not None:
env_vars[env_var] = value
# note: running in a separate process breaks integration with Route53 (to be fixed for local dev mode!)
return run_process_as_sudo("dns",
PORT_DNS,
asynchronous=asynchronous,
env_vars=env_vars)
except Exception:
pass
def start_infra(asynchronous=False, apis=None):
try:
os.environ[LOCALSTACK_INFRA_PROCESS] = '1'
is_in_docker = in_docker()
# print a warning if we're not running in Docker but using Docker based LAMBDA_EXECUTOR
if not is_in_docker and 'docker' in config.LAMBDA_EXECUTOR and not is_linux(
):
print((
'!WARNING! - Running outside of Docker with $LAMBDA_EXECUTOR=%s can lead to '
'problems on your OS. The environment variable $LOCALSTACK_HOSTNAME may not '
'be properly set in your Lambdas.') % config.LAMBDA_EXECUTOR)
if is_in_docker and not config.LAMBDA_REMOTE_DOCKER and not os.environ.get(
'HOST_TMP_FOLDER'):
print(
'!WARNING! - Looks like you have configured $LAMBDA_REMOTE_DOCKER=0 - '
"please make sure to configure $HOST_TMP_FOLDER to point to your host's $TMPDIR"
)
print_version(is_in_docker)
# apply patches
patch_urllib3_connection_pool(maxsize=128)
patch_instance_tracker_meta()
# load plugins
load_plugins()
# with plugins loaded, now start the infrastructure
thread = do_start_infra(asynchronous, apis, is_in_docker)
if not asynchronous and thread:
# this is a bit of an ugly hack, but we need to make sure that we
# stay in the execution context of the main thread, otherwise our
# signal handlers don't work
sleep_forever()
return thread
except KeyboardInterrupt:
print('Shutdown')
except Exception as e:
print('Error starting infrastructure: %s %s' %
(e, traceback.format_exc()))
sys.stdout.flush()
raise e
finally:
if not asynchronous:
stop_infra()
def do_start_infra(asynchronous, apis, is_in_docker):
event_publisher.fire_event(event_publisher.EVENT_START_INFRA, {
'd': is_in_docker and 1 or 0,
'c': in_ci() and 1 or 0
})
# set up logging
setup_logging()
# prepare APIs
apis = canonicalize_api_names(apis)
# set environment
os.environ['AWS_REGION'] = config.DEFAULT_REGION
os.environ['ENV'] = ENV_DEV
# register signal handlers
if not is_local_test_mode():
register_signal_handlers()
# make sure AWS credentials are configured, otherwise boto3 bails on us
check_aws_credentials()
# install libs if not present
install.install_components(apis)
# Some services take a bit to come up
sleep_time = 5
# start services
thread = None
# loop through plugins and start each service
for name, plugin in SERVICE_PLUGINS.items():
if plugin.is_enabled(api_names=apis):
record_service_health(name, 'starting')
t1 = plugin.start(asynchronous=True)
thread = thread or t1
time.sleep(sleep_time)
# ensure that all infra components are up and running
check_infra(apis=apis)
# restore persisted data
persistence.restore_persisted_data(apis=apis)
print('Ready.')
sys.stdout.flush()
if not asynchronous and thread:
# this is a bit of an ugly hack, but we need to make sure that we
# stay in the execution context of the main thread, otherwise our
# signal handlers don't work
sleep_forever()
return thread
def start_dns_server(asynchronous=False):
try:
# start local DNS server, if present
from localstack_ext import config as config_ext
from localstack_ext.services import dns_server
if config_ext.DNS_ADDRESS in config.FALSE_STRINGS:
return
if is_port_open(PORT_DNS):
return
if is_root():
result = dns_server.start_servers()
if not asynchronous:
sleep_forever()
return result
# note: running in a separate process breaks integration with Route53 (to be fixed for local dev mode!)
return run_process_as_sudo("dns", PORT_DNS, asynchronous=asynchronous)
except Exception:
pass
