sanic/sanic/cli/inspector.py
2022-12-26 12:27:40 +02:00

106 lines
3.2 KiB
Python

from argparse import ArgumentParser
from sanic.application.logo import get_logo
from sanic.cli.base import SanicHelpFormatter, SanicSubParsersAction
def _add_shared(parser: ArgumentParser) -> None:
parser.add_argument(
"--host",
"-H",
default="localhost",
help="Inspector host address [default 127.0.0.1]",
)
parser.add_argument(
"--port",
"-p",
default=6457,
type=int,
help="Inspector port [default 6457]",
)
parser.add_argument(
"--secure",
"-s",
action="store_true",
help="Whether to access the Inspector via TLS encryption",
)
parser.add_argument("--api-key", "-k", help="Inspector authentication key")
parser.add_argument(
"--raw",
action="store_true",
help="Whether to output the raw response information",
)
class InspectorSubParser(ArgumentParser):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
_add_shared(self)
if not self.description:
self.description = ""
self.description = get_logo(True) + self.description
def make_inspector_parser(parser: ArgumentParser) -> None:
_add_shared(parser)
subparsers = parser.add_subparsers(
action=SanicSubParsersAction,
dest="action",
description=(
"Run one or none of the below subcommands. Using inspect without "
"a subcommand will fetch general information about the state "
"of the application instance.\n\n"
"Or, you can optionally follow inspect with a subcommand. "
"If you have created a custom "
"Inspector instance, then you can run custom commands. See "
"https://sanic.dev/en/guide/deployment/inspector.html"
"for more details."
),
title=" Subcommands",
parser_class=InspectorSubParser,
)
reloader = subparsers.add_parser(
"reload",
help="Trigger a reload of the server workers",
formatter_class=SanicHelpFormatter,
)
reloader.add_argument(
"--zero-downtime",
action="store_true",
help=(
"Whether to wait for the new process to be online before "
"terminating the old"
),
)
subparsers.add_parser(
"shutdown",
help="Shutdown the application and all processes",
formatter_class=SanicHelpFormatter,
)
scale = subparsers.add_parser(
"scale",
help="Scale the number of workers",
formatter_class=SanicHelpFormatter,
)
scale.add_argument(
"replicas",
type=int,
help="Number of workers requested",
)
custom = subparsers.add_parser(
"<custom>",
help="Run a custom command",
description=(
"keyword arguments:\n When running a custom command, you can "
"add keyword arguments by appending them to your command\n\n"
"\tsanic inspect foo --one=1 --two=2"
),
formatter_class=SanicHelpFormatter,
)
custom.add_argument(
"positional",
nargs="*",
help="Add one or more non-keyword args to your custom command",
)