35 lines
1005 B
Go
35 lines
1005 B
Go
package server
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import (
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"net/http"
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"github.com/docker/docker/api/server/httpstatus"
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"github.com/docker/docker/api/server/httputils"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/versions"
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"github.com/gorilla/mux"
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"google.golang.org/grpc/status"
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)
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// makeErrorHandler makes an HTTP handler that decodes a Docker error and
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// returns it in the response.
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func makeErrorHandler(err error) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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statusCode := httpstatus.FromError(err)
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vars := mux.Vars(r)
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if apiVersionSupportsJSONErrors(vars["version"]) {
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response := &types.ErrorResponse{
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Message: err.Error(),
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}
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_ = httputils.WriteJSON(w, statusCode, response)
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} else {
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http.Error(w, status.Convert(err).Message(), statusCode)
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}
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}
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}
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func apiVersionSupportsJSONErrors(version string) bool {
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const firstAPIVersionWithJSONErrors = "1.23"
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return version == "" || versions.GreaterThan(version, firstAPIVersionWithJSONErrors)
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}
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