Merge pull request #4832 from baude/apiv2tomaster

Apiv2tomaster

1 files changed, 88 insertions, 0 deletions

diff --git a/pkg/api/handlers/utils/errors.go b/pkg/api/handlers/utils/errors.go
new file mode 100644
index 000000000..3ec0742bd
--- /dev/null
+++ b/pkg/api/handlers/utils/errors.go
@@ -0,0 +1,88 @@
+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(),
+	}
+	WriteJSON(w, code, em)
+}
+
+func VolumeNotFound(w http.ResponseWriter, nameOrId string, err error) {
+	if errors.Cause(err) != define.ErrNoSuchVolume {
+		InternalServerError(w, err)
+	}
+	msg := fmt.Sprintf("No such volume: %s", nameOrId)
+	Error(w, msg, http.StatusNotFound, err)
+}
+func ContainerNotFound(w http.ResponseWriter, nameOrId string, err error) {
+	if errors.Cause(err) != define.ErrNoSuchCtr {
+		InternalServerError(w, err)
+	}
+	msg := fmt.Sprintf("No such container: %s", nameOrId)
+	Error(w, msg, http.StatusNotFound, err)
+}
+
+func ImageNotFound(w http.ResponseWriter, nameOrId string, err error) {
+	if errors.Cause(err) != define.ErrNoSuchImage {
+		InternalServerError(w, err)
+	}
+	msg := fmt.Sprintf("No such image: %s", nameOrId)
+	Error(w, msg, http.StatusNotFound, err)
+}
+
+func PodNotFound(w http.ResponseWriter, nameOrId string, err error) {
+	if errors.Cause(err) != define.ErrNoSuchPod {
+		InternalServerError(w, err)
+	}
+	msg := fmt.Sprintf("No such pod: %s", nameOrId)
+	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 {
+	// root cause
+	Because string `json:"cause"`
+	// error message
+	Message string `json:"message"`
+}
+
+func (e ErrorModel) Error() string {
+	return e.Message
+}
+
+func (e ErrorModel) Cause() error {
+	return errors.New(e.Because)
+}