mirror of
https://github.com/vmware-tanzu/velero.git
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a318e1da99
* Fix floatation of error/message in the backup/restore result Signed-off-by: Shashank Singh <shashank1306s@gmail.com> * fix for checkgates Signed-off-by: Shashank Singh <shashank1306s@gmail.com> * refactoring Signed-off-by: Shashank Singh <shashank1306s@gmail.com> --------- Signed-off-by: Shashank Singh <shashank1306s@gmail.com>
114 lines
3.3 KiB
Go
114 lines
3.3 KiB
Go
/*
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Copyright 2019 the Velero contributors.
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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 logging
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import (
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"errors"
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"fmt"
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"sync"
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"github.com/sirupsen/logrus"
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"github.com/vmware-tanzu/velero/pkg/util/results"
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)
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// LogHook is a logrus hook that counts the number of log
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// statements that have been written at each logrus level. It also
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// maintains log entries at each logrus level in result structure.
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type LogHook struct {
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mu sync.RWMutex
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counts map[logrus.Level]int
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entries map[logrus.Level]*results.Result
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}
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// NewLogHook returns a pointer to an initialized LogHook.
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func NewLogHook() *LogHook {
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return &LogHook{
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counts: make(map[logrus.Level]int),
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entries: make(map[logrus.Level]*results.Result),
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}
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}
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// Levels returns the logrus levels that the hook should be fired for.
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func (h *LogHook) Levels() []logrus.Level {
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return logrus.AllLevels
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}
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// Fire executes the hook's logic.
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func (h *LogHook) Fire(entry *logrus.Entry) error {
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h.mu.Lock()
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defer h.mu.Unlock()
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h.counts[entry.Level]++
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if h.entries[entry.Level] == nil {
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h.entries[entry.Level] = &results.Result{}
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}
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namespace, isNamespacePresent := entry.Data["namespace"]
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errorField, isErrorFieldPresent := entry.Data["error"]
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// When JSON logging format is enabled, error message is placed at "error.message" instead of "error"
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errorMsgField, isErrorMsgFieldPresent := entry.Data["error.message"]
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resourceField, isResourceFieldPresent := entry.Data["resource"]
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nameField, isNameFieldPresent := entry.Data["name"]
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msgField, isMsgFieldPresent := entry.Message, true
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entryMessage := ""
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if isResourceFieldPresent {
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entryMessage = fmt.Sprintf("%s resource: /%s", entryMessage, resourceField.(string))
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}
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if isNameFieldPresent {
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entryMessage = fmt.Sprintf("%s name: /%s", entryMessage, nameField.(string))
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}
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if isMsgFieldPresent {
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entryMessage = fmt.Sprintf("%s message: /%v", entryMessage, msgField)
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}
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if isErrorFieldPresent {
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entryMessage = fmt.Sprintf("%s error: /%v", entryMessage, errorField)
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}
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if isErrorMsgFieldPresent {
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entryMessage = fmt.Sprintf("%s error: /%v", entryMessage, errorMsgField)
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}
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if isNamespacePresent {
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h.entries[entry.Level].Add(namespace.(string), errors.New(entryMessage))
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} else {
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h.entries[entry.Level].AddVeleroError(errors.New(entryMessage))
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}
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return nil
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}
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// GetCount returns the number of log statements that have been
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// written at the specific level provided.
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func (h *LogHook) GetCount(level logrus.Level) int {
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h.mu.RLock()
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defer h.mu.RUnlock()
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return h.counts[level]
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}
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// GetEntries returns the log statements that have been
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// written at the specific level provided.
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func (h *LogHook) GetEntries(level logrus.Level) results.Result {
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h.mu.RLock()
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defer h.mu.RUnlock()
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response, isPresent := h.entries[level]
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if isPresent {
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return *response
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}
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return results.Result{}
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}
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