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kube_helper.go
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kube_helper.go
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/*
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package kube
import (
"fmt"
"path/filepath"
"time"
"github.com/keikoproj/kubedog/internal/util"
"github.com/keikoproj/kubedog/pkg/kube/common"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/discovery"
)
type configuration struct {
filesPath string
templateArguments interface{}
waiterInterval time.Duration
waiterTries int
}
func (kc *ClientSet) GetTimestamp(timestampName string) (time.Time, error) {
commonErrorMessage := fmt.Sprintf("failed getting timestamp '%s'", timestampName)
if kc.timestamps == nil {
return time.Time{}, errors.Errorf("%s: 'ClientSet.Timestamps' is nil", commonErrorMessage)
}
timestamp, ok := kc.timestamps[timestampName]
if !ok {
return time.Time{}, errors.Errorf("%s: Timestamp not found", commonErrorMessage)
}
return timestamp, nil
}
func (kc *ClientSet) getResourcePath(resourceFileName string) string {
templatesPath := kc.getTemplatesPath()
return filepath.Join(templatesPath, resourceFileName)
}
func (kc *ClientSet) getTemplatesPath() string {
defaultFilePath := "templates"
if kc.config.filesPath != "" {
return kc.config.filesPath
}
return defaultFilePath
}
func (kc *ClientSet) getWaiterInterval() time.Duration {
defaultWaiterInterval := time.Second * 30
if kc.config.waiterInterval > 0 {
return kc.config.waiterInterval
}
return defaultWaiterInterval
}
func (kc *ClientSet) getWaiterTries() int {
defaultWaiterTries := 40
if kc.config.waiterTries > 0 {
return kc.config.waiterTries
}
return defaultWaiterTries
}
func (kc *ClientSet) getWaiterConfig() common.WaiterConfig {
return common.NewWaiterConfig(kc.getWaiterTries(), kc.getWaiterInterval())
}
func (kc *ClientSet) getExpBackoff() wait.Backoff {
return util.GetExpBackoff(kc.getWaiterTries())
}
func (kc *ClientSet) getDiscoveryClient() discovery.DiscoveryInterface {
if kc.KubeInterface != nil {
return kc.KubeInterface.Discovery()
}
return nil
}