in flink-python/pyflink/pyflink_gateway_server.py [0:0]
def construct_log_settings(env):
templates = [
"-Dlog.file=${flink_log_dir}/flink-${flink_ident_string}-python-${hostname}.log",
"-Dlog4j.configuration=${log4j_properties}",
"-Dlog4j.configurationFile=${log4j_properties}",
"-Dlogback.configurationFile=${logback_xml}"
]
flink_home = os.path.realpath(_find_flink_home())
flink_conf_dir = env['FLINK_CONF_DIR']
flink_conf_file = os.path.join(env['FLINK_CONF_DIR'], "flink-conf.yaml")
if "FLINK_LOG_DIR" in env:
flink_log_dir = env["FLINK_LOG_DIR"]
else:
flink_log_dir = read_from_config(
KEY_ENV_LOG_DIR, os.path.join(flink_home, "log"), flink_conf_file)
if "LOG4J_PROPERTIES" in env:
log4j_properties = env["LOG4J_PROPERTIES"]
else:
log4j_properties = "%s/log4j-cli.properties" % flink_conf_dir
if "LOGBACK_XML" in env:
logback_xml = env["LOGBACK_XML"]
else:
logback_xml = "%s/logback.xml" % flink_conf_dir
if "FLINK_IDENT_STRING" in env:
flink_ident_string = env["FLINK_IDENT_STRING"]
else:
flink_ident_string = getpass.getuser()
hostname = socket.gethostname()
log_settings = []
for template in templates:
log_settings.append(Template(template).substitute(
log4j_properties=log4j_properties,
logback_xml=logback_xml,
flink_log_dir=flink_log_dir,
flink_ident_string=flink_ident_string,
hostname=hostname))
return log_settings