github.com/kubewharf/katalyst-core@v0.5.3/pkg/util/general.go (about)

     1  /*
     2  Copyright 2022 The Katalyst Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  // util package will be arranged as follows
    18  // - utils for extended crd will be put in top-level dir
    19  // 	 - for each crd, put functions in individual file(s)
    20  //   - for general utils, put functions in this file
    21  // - utils for specific utils, put them in individual dir(s)
    22  //   - e.g. cgroup/native-objects ...
    23  
    24  package util
    25  
    26  import (
    27  	"sync"
    28  
    29  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    30  
    31  	apiconsts "github.com/kubewharf/katalyst-api/pkg/consts"
    32  )
    33  
    34  // WorkloadSPDEnabledFunc checks if the given workload is enabled with service profiling.
    35  type WorkloadSPDEnabledFunc func(metav1.Object) bool
    36  
    37  var (
    38  	workloadSPDEnabledLock sync.RWMutex
    39  	workloadSPDEnabled     WorkloadSPDEnabledFunc = func(workload metav1.Object) bool {
    40  		return workload.GetAnnotations()[apiconsts.WorkloadAnnotationSPDEnableKey] == apiconsts.WorkloadAnnotationSPDEnabled
    41  	}
    42  )
    43  
    44  // SetWorkloadEnableFunc provides a way to set the
    45  func SetWorkloadEnableFunc(f WorkloadSPDEnabledFunc) {
    46  	workloadSPDEnabledLock.Lock()
    47  	defer workloadSPDEnabledLock.Unlock()
    48  	workloadSPDEnabled = f
    49  }
    50  
    51  func WorkloadSPDEnabled(workload metav1.Object) bool {
    52  	workloadSPDEnabledLock.RLock()
    53  	defer workloadSPDEnabledLock.RUnlock()
    54  	return workloadSPDEnabled(workload)
    55  }