mirror of
https://github.com/rocky-linux/peridot.git
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90 lines
2.9 KiB
Go
90 lines
2.9 KiB
Go
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/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package internal
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import (
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"encoding/json"
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"fmt"
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"sort"
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"strings"
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"time"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
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"sigs.k8s.io/structured-merge-diff/v4/merge"
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)
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// NewConflictError returns an error including details on the requests apply conflicts
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func NewConflictError(conflicts merge.Conflicts) *errors.StatusError {
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causes := []metav1.StatusCause{}
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for _, conflict := range conflicts {
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causes = append(causes, metav1.StatusCause{
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Type: metav1.CauseTypeFieldManagerConflict,
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Message: fmt.Sprintf("conflict with %v", printManager(conflict.Manager)),
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Field: conflict.Path.String(),
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})
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}
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return errors.NewApplyConflict(causes, getConflictMessage(conflicts))
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}
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func getConflictMessage(conflicts merge.Conflicts) string {
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if len(conflicts) == 1 {
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return fmt.Sprintf("Apply failed with 1 conflict: conflict with %v: %v", printManager(conflicts[0].Manager), conflicts[0].Path)
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}
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m := map[string][]fieldpath.Path{}
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for _, conflict := range conflicts {
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m[conflict.Manager] = append(m[conflict.Manager], conflict.Path)
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}
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uniqueManagers := []string{}
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for manager := range m {
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uniqueManagers = append(uniqueManagers, manager)
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}
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// Print conflicts by sorted managers.
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sort.Strings(uniqueManagers)
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messages := []string{}
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for _, manager := range uniqueManagers {
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messages = append(messages, fmt.Sprintf("conflicts with %v:", printManager(manager)))
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for _, path := range m[manager] {
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messages = append(messages, fmt.Sprintf("- %v", path))
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}
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}
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return fmt.Sprintf("Apply failed with %d conflicts: %s", len(conflicts), strings.Join(messages, "\n"))
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}
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func printManager(manager string) string {
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encodedManager := &metav1.ManagedFieldsEntry{}
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if err := json.Unmarshal([]byte(manager), encodedManager); err != nil {
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return fmt.Sprintf("%q", manager)
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}
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managerStr := fmt.Sprintf("%q", encodedManager.Manager)
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if encodedManager.Subresource != "" {
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managerStr = fmt.Sprintf("%s with subresource %q", managerStr, encodedManager.Subresource)
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}
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if encodedManager.Operation == metav1.ManagedFieldsOperationUpdate {
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if encodedManager.Time == nil {
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return fmt.Sprintf("%s using %v", managerStr, encodedManager.APIVersion)
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}
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return fmt.Sprintf("%s using %v at %v", managerStr, encodedManager.APIVersion, encodedManager.Time.UTC().Format(time.RFC3339))
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}
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return managerStr
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}
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