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https://github.com/containers/podman.git
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deaf969243
* To aid in debugging log API request and response bodies at trace level. Events can be correlated using the X-Reference-Id. * Server now echos X-Reference-Id from client if set, otherwise generates an unique id. * Move logic for X-Reference-Id into middleware * Change uses of Header.Add() to Set() when setting Content-Type * Log API operations in Apache format using gorilla middleware * Port server code to use BaseContext and ConnContext Fixes #10053 Signed-off-by: Jhon Honce <jhonce@redhat.com>
33 lines
926 B
Go
33 lines
926 B
Go
package server
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import (
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"fmt"
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"net/http"
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"runtime"
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"github.com/containers/podman/v3/pkg/api/handlers/utils"
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"github.com/gorilla/mux"
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"github.com/sirupsen/logrus"
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)
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// panicHandler captures panics from endpoint handlers and logs stack trace
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func panicHandler() mux.MiddlewareFunc {
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return func(h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// http.Server hides panics from handlers, we want to record them and fix the cause
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defer func() {
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err := recover()
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if err != nil {
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buf := make([]byte, 1<<20)
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n := runtime.Stack(buf, true)
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logrus.Warnf("Recovering from API service endpoint handler panic: %v, %s", err, buf[:n])
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// Try to inform client things went south... won't work if handler already started writing response body
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utils.InternalServerError(w, fmt.Errorf("%v", err))
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}
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}()
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h.ServeHTTP(w, r)
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})
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}
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}
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