mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-14 11:57:37 +00:00
130 lines
2.8 KiB
Go
130 lines
2.8 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2016-2023 ArangoDB GmbH, Cologne, Germany
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package operator
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import (
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"github.com/arangodb/kube-arangodb/pkg/operatorV2/operation"
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"github.com/arangodb/kube-arangodb/pkg/util/errors"
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)
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func (o *operator) worker() {
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for o.processNextItem() {
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}
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}
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func (o *operator) processNextItem() bool {
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defer func() {
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// Recover from panic to not shutdown whole operator
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if err := recover(); err != nil {
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e := loggerWorker.Str("type", "worker")
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switch obj := err.(type) {
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case error:
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e = e.Err(obj)
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case string:
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e = e.Str("err", obj)
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case int:
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e = e.Int("err", obj)
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default:
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e.Interface("err", obj)
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}
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e.Error("Recovered from panic")
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}
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}()
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obj, shutdown := o.workqueue.Get()
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if shutdown {
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return false
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}
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err := o.processObject(obj)
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if err != nil {
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loggerWorker.Interface("object", obj).Error("Error during object handling: %v", err)
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return true
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}
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return true
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}
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func (o *operator) processObject(obj interface{}) error {
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defer o.workqueue.Done(obj)
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var item operation.Item
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var key string
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var ok bool
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var err error
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if key, ok = obj.(string); !ok {
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o.workqueue.Forget(obj)
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return nil
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}
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if item, err = operation.NewItemFromString(key); err != nil {
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o.workqueue.Forget(obj)
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return nil
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}
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if item.Operation != operation.Update {
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item.Operation = operation.Update
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o.workqueue.Forget(obj)
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o.workqueue.Add(item.String())
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return nil
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}
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o.objectProcessed.Inc()
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loggerWorker.Trace("Received Item Action: %s, Type: %s/%s/%s, Namespace: %s, Name: %s",
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item.Operation,
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item.Group,
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item.Version,
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item.Kind,
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item.Namespace,
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item.Name)
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if err = o.processItem(item); err != nil {
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o.workqueue.AddRateLimited(key)
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return errors.Newf("error syncing '%s': %s, re-queuing", key, err.Error())
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}
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loggerWorker.Trace("Processed Item Action: %s, Type: %s/%s/%s, Namespace: %s, Name: %s",
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item.Operation,
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item.Group,
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item.Version,
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item.Kind,
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item.Namespace,
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item.Name)
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o.workqueue.Forget(obj)
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return nil
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}
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func (o *operator) processItem(item operation.Item) error {
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for _, handler := range o.handlers {
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if handler.CanBeHandled(item) {
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return handler.Handle(item)
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}
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}
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return nil
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}
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