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7af78af1f0
Since `addCustomerHeaders` middleware was after the `httpTracer` middleware, the request ID was not set in the http tracing context. By reordering these middleware functions, the request ID header becomes available. We also avoid setting the tracing context key again in `newContext`. Bonus: All middleware functions are renamed with a "Middleware" suffix to avoid confusion with http Handler functions.
107 lines
3.5 KiB
Go
107 lines
3.5 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"net/http"
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"github.com/minio/mux"
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)
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// Composed function registering routers for only distributed Erasure setup.
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func registerDistErasureRouters(router *mux.Router, endpointServerPools EndpointServerPools) {
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// Register storage REST router only if its a distributed setup.
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registerStorageRESTHandlers(router, endpointServerPools)
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// Register peer REST router only if its a distributed setup.
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registerPeerRESTHandlers(router)
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// Register peer S3 router only if its a distributed setup.
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registerPeerS3Handlers(router)
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// Register bootstrap REST router for distributed setups.
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registerBootstrapRESTHandlers(router)
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// Register distributed namespace lock routers.
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registerLockRESTHandlers(router)
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}
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// List of some generic middlewares which are applied for all incoming requests.
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var globalMiddlewares = []mux.MiddlewareFunc{
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// set x-amz-request-id header and others
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addCustomHeadersMiddleware,
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// The generic tracer needs to be the first middleware to catch all requests
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// returned early by any other middleware (but after the middleware that
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// sets the amz request id).
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httpTracerMiddleware,
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// Auth middleware verifies incoming authorization headers and routes them
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// accordingly. Client receives a HTTP error for invalid/unsupported
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// signatures.
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//
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// Validates all incoming requests to have a valid date header.
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setAuthMiddleware,
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// Redirect some pre-defined browser request paths to a static location
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// prefix.
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setBrowserRedirectMiddleware,
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// Adds 'crossdomain.xml' policy middleware to serve legacy flash clients.
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setCrossDomainPolicyMiddleware,
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// Limits all body and header sizes to a maximum fixed limit
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setRequestLimitMiddleware,
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// Validate all the incoming requests.
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setRequestValidityMiddleware,
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// Add upload forwarding middleware for site replication
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setUploadForwardingMiddleware,
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// Add bucket forwarding middleware
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setBucketForwardingMiddleware,
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// Add new middlewares here.
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}
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// configureServer handler returns final handler for the http server.
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func configureServerHandler(endpointServerPools EndpointServerPools) (http.Handler, error) {
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// Initialize router. `SkipClean(true)` stops minio/mux from
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// normalizing URL path minio/minio#3256
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router := mux.NewRouter().SkipClean(true).UseEncodedPath()
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// Initialize distributed NS lock.
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if globalIsDistErasure {
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registerDistErasureRouters(router, endpointServerPools)
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}
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// Add Admin router, all APIs are enabled in server mode.
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registerAdminRouter(router, true)
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// Add healthcheck router
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registerHealthCheckRouter(router)
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// Add server metrics router
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registerMetricsRouter(router)
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// Add STS router always.
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registerSTSRouter(router)
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// Add KMS router
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registerKMSRouter(router)
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// Add API router
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registerAPIRouter(router)
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router.Use(globalMiddlewares...)
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return router, nil
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}
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