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package utils
import (
"fmt"
"net/http"
"github.com/containers/libpod/libpod/define"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
)
var (
ErrLinkNotSupport = errors.New("Link is not supported")
)
// Error formats an API response to an error
//
// apiMessage and code must match the container API, and are sent to client
// err is logged on the system running the podman service
func Error(w http.ResponseWriter, apiMessage string, code int, err error) {
// Log detailed message of what happened to machine running podman service
log.Infof("Request Failed(%s): %s", http.StatusText(code), err.Error())
em := ErrorModel{
Because: (errors.Cause(err)).Error(),
Message: err.Error(),
ResponseCode: code,
}
WriteJSON(w, code, em)
}
func VolumeNotFound(w http.ResponseWriter, name string, err error) {
if errors.Cause(err) != define.ErrNoSuchVolume {
InternalServerError(w, err)
}
msg := fmt.Sprintf("No such volume: %s", name)
Error(w, msg, http.StatusNotFound, err)
}
func ContainerNotFound(w http.ResponseWriter, name string, err error) {
if errors.Cause(err) != define.ErrNoSuchCtr {
InternalServerError(w, err)
}
msg := fmt.Sprintf("No such container: %s", name)
Error(w, msg, http.StatusNotFound, err)
}
func ImageNotFound(w http.ResponseWriter, name string, err error) {
if errors.Cause(err) != define.ErrNoSuchImage {
InternalServerError(w, err)
}
msg := fmt.Sprintf("No such image: %s", name)
Error(w, msg, http.StatusNotFound, err)
}
func PodNotFound(w http.ResponseWriter, name string, err error) {
if errors.Cause(err) != define.ErrNoSuchPod {
InternalServerError(w, err)
}
msg := fmt.Sprintf("No such pod: %s", name)
Error(w, msg, http.StatusNotFound, err)
}
func ContainerNotRunning(w http.ResponseWriter, containerID string, err error) {
msg := fmt.Sprintf("Container %s is not running", containerID)
Error(w, msg, http.StatusConflict, err)
}
func InternalServerError(w http.ResponseWriter, err error) {
Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError, err)
}
func BadRequest(w http.ResponseWriter, key string, value string, err error) {
e := errors.Wrapf(err, "Failed to parse query parameter '%s': %q", key, value)
Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, e)
}
type ErrorModel struct {
// API root cause formatted for automated parsing
// example: API root cause
Because string `json:"cause"`
// human error message, formatted for a human to read
// example: human error message
Message string `json:"message"`
// http response code
ResponseCode int `json:"response"`
}
func (e ErrorModel) Error() string {
return e.Message
}
func (e ErrorModel) Cause() error {
return errors.New(e.Because)
}
func (e ErrorModel) Code() int {
return e.ResponseCode
}
// UnsupportedParameter logs a given param by its string name as not supported.
func UnSupportedParameter(param string) {
log.Infof("API parameter %q: not supported", param)
}
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