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5cbdf7ba3c
* metrics: add support for flask request buckets * Add config flag to schema * Remove unused function * Add type annotation for config flag
84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
import logging
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from functools import wraps
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from flask import Blueprint, jsonify, make_response
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import features
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from app import app
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from data.readreplica import ReadOnlyModeException
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from endpoints.decorators import anon_allowed, anon_protect
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from util.http import abort
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from util.metrics.prometheus import timed_blueprint
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logger = logging.getLogger(__name__)
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v1_bp = timed_blueprint(Blueprint("v1", __name__), get_app=lambda: app)
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# Note: This is *not* part of the Docker index spec. This is here for our own health check,
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# since we have nginx handle the _ping below.
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@v1_bp.route("/_internal_ping")
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@anon_allowed
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def internal_ping():
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return make_response("true", 200)
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@v1_bp.route("/_ping")
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@anon_allowed
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def ping():
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# NOTE: any changes made here must also be reflected in the nginx config
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response = make_response("true", 200)
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response.headers["X-Docker-Registry-Version"] = "0.6.0"
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response.headers["X-Docker-Registry-Standalone"] = "0"
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return response
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@v1_bp.app_errorhandler(ReadOnlyModeException)
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def handle_readonly(ex):
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response = jsonify(
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{
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"message": "System is currently read-only. Pulls will succeed but all "
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+ "write operations are currently suspended.",
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"is_readonly": True,
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}
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)
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response.status_code = 503
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return response
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def check_v1_push_enabled(namespace_name_kwarg="namespace_name"):
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"""
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Decorator which checks if V1 push is enabled for the current namespace.
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The first argument to the wrapped function must be the namespace name or there must be a kwarg
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with the name `namespace_name`.
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"""
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def wrapper(wrapped):
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@wraps(wrapped)
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def decorated(*args, **kwargs):
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if namespace_name_kwarg in kwargs:
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namespace_name = kwargs[namespace_name_kwarg]
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else:
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namespace_name = args[0]
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if features.RESTRICTED_V1_PUSH:
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whitelist = app.config.get("V1_PUSH_WHITELIST") or []
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logger.debug("V1 push is restricted to whitelist: %s", whitelist)
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if namespace_name not in whitelist:
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abort(
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405,
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message=(
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"V1 push support has been deprecated. To enable for this "
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+ "namespace, please contact support."
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),
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)
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return wrapped(*args, **kwargs)
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return decorated
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return wrapper
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from endpoints.v1 import index, registry, tag
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