/
default.go
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/
default.go
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// Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 healthz
import (
"sync"
)
// DefaultHealthManagerName is the name of the default health manager.
const DefaultHealthManagerName = "default"
// NewDefaultHealthz returns a default health manager that stores the given health status and returns it.
func NewDefaultHealthz() Manager {
return &defaultHealthz{}
}
type defaultHealthz struct {
mutex sync.RWMutex
health bool
started bool
}
// Name returns the name of the health manager.
func (d *defaultHealthz) Name() string {
return DefaultHealthManagerName
}
// Start starts the health manager.
func (d *defaultHealthz) Start() {
d.mutex.Lock()
defer d.mutex.Unlock()
d.started = true
d.health = true
}
// Stop stops the health manager.
func (d *defaultHealthz) Stop() {
d.mutex.Lock()
defer d.mutex.Unlock()
d.started = false
d.health = false
}
// Get returns the current health status.
func (d *defaultHealthz) Get() bool {
d.mutex.RLock()
defer d.mutex.RUnlock()
return d.health
}
// Set sets the current health status.
func (d *defaultHealthz) Set(health bool) {
d.mutex.Lock()
defer d.mutex.Unlock()
d.health = health && d.started
}