/
mesh_errors.go
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/
mesh_errors.go
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/*
Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
*/
package errors
import (
"context"
"errors"
"fmt"
"net/http"
"time"
"github.com/iancoleman/strcase"
"github.com/oracle/oci-go-sdk/v65/common"
"github.com/oracle/oci-service-operator/pkg/errorutil"
"github.com/oracle/oci-service-operator/pkg/loggerutil"
"github.com/oracle/oci-service-operator/pkg/servicemanager"
"github.com/oracle/oci-service-operator/pkg/servicemanager/servicemesh/utils/commons"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// RequeueOnError is to used when a request needs to be requeued immediately due to an error.
type RequeueOnError struct {
err error
}
func NewRequeueOnError(err error) *RequeueOnError {
return &RequeueOnError{
err: err,
}
}
func NewRequeueAfter(duration time.Duration) *RequeueAfterError {
return &RequeueAfterError{
err: nil,
duration: duration,
}
}
// RequeueAfterError is used when a request needs to be requeued after some time due to an error.
type RequeueAfterError struct {
err error
duration time.Duration
}
func NewRequeueAfterError(err error, duration time.Duration) *RequeueAfterError {
return &RequeueAfterError{
err: err,
duration: duration,
}
}
func (e *RequeueAfterError) Error() string {
if e.err == nil {
return ""
}
return e.err.Error()
}
var _ error = &RequeueAfterError{}
func (e *RequeueOnError) Error() string {
if e.err == nil {
return ""
}
return e.err.Error()
}
var _ error = &RequeueOnError{}
func GetOsokResponseByHandlingReconcileError(err error) (servicemanager.OSOKResponse, error) {
var doNotRequeue *DoNotRequeueError
if errors.As(err, &doNotRequeue) {
return servicemanager.OSOKResponse{ShouldRequeue: false}, err
}
// Requeue the request right away with rate limiting if there are errors. A nil error will reset the backoff.
var requeueOnError *RequeueOnError
if errors.As(err, &requeueOnError) {
return servicemanager.OSOKResponse{ShouldRequeue: true}, nil
}
// Do not requeue if are customer mistakes
if serviceError, ok := common.IsServiceError(err); ok {
return servicemanager.OSOKResponse{ShouldRequeue: shouldRequeueServiceError(serviceError)}, err
}
// Requeue a Request if there is an error and continue processing items with exponential backoff
return servicemanager.OSOKResponse{ShouldRequeue: true}, err
}
func shouldRequeueServiceError(err common.ServiceError) bool {
if err.GetHTTPStatusCode() != 400 {
return true
}
switch err.GetCode() {
case errorutil.InvalidParameter:
return false
case errorutil.InvalidParameters:
return false
case errorutil.MissingParameter:
return false
case errorutil.MissingParameters:
return false
case errorutil.CannotParseRequest:
return false
default:
return true
}
}
func GetValidationErrorMessage(object client.Object, reason string) string {
return fmt.Sprintf("Failed to create Resource for Kind: %s, Name: %s, Namespace: %s, Error: %s", object.GetObjectKind().GroupVersionKind().Kind, object.GetName(), object.GetNamespace(), reason)
}
func ResponseStatusText(err common.ServiceError) string {
// For connection errors, httpResponse is nil
if err.GetHTTPStatusCode() == 0 {
return string(commons.ConnectionError)
}
return strcase.ToCamel(http.StatusText(err.GetHTTPStatusCode()))
}
// GetConditionStatus returns the state of the condition based on the error returned from Control plane
func GetConditionStatus(err common.ServiceError) metav1.ConditionStatus {
if err.GetHTTPStatusCode() != 404 {
return metav1.ConditionUnknown
}
return metav1.ConditionFalse
}
// GetMeshConfiguredConditionStatus returns the state of the MeshConfigured condition based on the error returned from Control plane
func GetMeshConfiguredConditionStatus(err common.ServiceError) metav1.ConditionStatus {
if err.GetHTTPStatusCode() >= 500 && err.GetHTTPStatusCode() <= 599 {
return metav1.ConditionUnknown
}
return metav1.ConditionFalse
}
// GetErrorMessage returns the error message along with the opcRequestId in it
func GetErrorMessage(err common.ServiceError) string {
return fmt.Sprintf("%s (opc-request-id: %s )", err.GetMessage(), err.GetOpcRequestID())
}
func IsDeleted(ctx context.Context, err error, log loggerutil.OSOKLogger) error {
if err == nil {
return nil
}
if serviceError, ok := err.(common.ServiceError); ok {
if serviceError.GetHTTPStatusCode() == http.StatusNotFound {
log.ErrorLogWithFixedMessage(ctx, err, "Entity not found. Maybe it was already deleted.")
return nil
}
}
log.ErrorLogWithFixedMessage(ctx, err, "Failed to delete entity from control plane")
return err
}
type DoNotRequeueError struct {
err error
}
func NewDoNotRequeueError(err error) *DoNotRequeueError {
return &DoNotRequeueError{
err: err,
}
}
func (e *DoNotRequeueError) Error() string {
if e.err == nil {
return ""
}
return e.err.Error()
}
var _ error = &DoNotRequeueError{}
func HandleErrorAndRequeue(ctx context.Context, err error, log loggerutil.OSOKLogger) (ctrl.Result, error) {
// Do not requeue the request if there is no error or error is of type DoNotRequeue
var doNotRequeue *DoNotRequeueError
if err == nil || errors.As(err, &doNotRequeue) {
return ctrl.Result{}, err
}
// Requeue the request right away with rate limiting if there are errors. A nil error will reset the backoff.
var requeueOnError *RequeueOnError
if errors.As(err, &requeueOnError) {
log.InfoLogWithFixedMessage(ctx, "requeue due to error", "error", requeueOnError.err.Error())
return ctrl.Result{Requeue: true}, nil
}
// Requeue (Pending) the request after a specific duration. A single item will not be processed multiple times
// concurrently, and if an item is added multiple times before it can be processed, it will only be processed once.
var requeueAfterErr *RequeueAfterError
if errors.As(err, &requeueAfterErr) {
if requeueAfterErr.err == nil {
log.InfoLogWithFixedMessage(ctx, "requeue after for periodical syncing", "duration", requeueAfterErr.duration.String())
return ctrl.Result{RequeueAfter: requeueAfterErr.duration}, nil
}
log.InfoLogWithFixedMessage(ctx, "requeue after due to error", "duration", requeueAfterErr.duration.String(), "error", requeueAfterErr.err.Error())
return ctrl.Result{RequeueAfter: requeueAfterErr.duration}, nil
}
// Requeue a Request if there is an error and continue processing items with exponential backoff
log.InfoLogWithFixedMessage(ctx, "request failed due to error: ", "error", err.Error())
return ctrl.Result{}, err
}
func IsNetworkErrorOrInternalError(err error) bool {
if common.IsNetworkError(err) {
return true
}
if serviceError, ok := err.(common.ServiceError); ok {
if serviceError.GetHTTPStatusCode() >= 500 && serviceError.GetHTTPStatusCode() <= 599 {
return true
}
}
return false
}