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transport.go
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transport.go
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package transport // import "github.com/docker/docker/pkg/plugins/transport"
import (
"io"
"net/http"
"strings"
)
// VersionMimetype is the Content-Type the engine sends to plugins.
const VersionMimetype = "application/vnd.docker.plugins.v1.2+json"
// RequestFactory defines an interface that
// transports can implement to create new requests.
type RequestFactory interface {
NewRequest(path string, data io.Reader) (*http.Request, error)
}
// Transport defines an interface that plugin transports
// must implement.
type Transport interface {
http.RoundTripper
RequestFactory
}
// newHTTPRequest creates a new request with a path and a body.
func newHTTPRequest(path string, data io.Reader) (*http.Request, error) {
if !strings.HasPrefix(path, "/") {
path = "/" + path
}
req, err := http.NewRequest(http.MethodPost, path, data)
if err != nil {
return nil, err
}
req.Header.Add("Accept", VersionMimetype)
return req, nil
}