github.com/deemoprobe/k8s-first-commit@v0.0.0-20230430165612-a541f1982be3/pkg/registry/task_registry.go (about)

     1  /*
     2  Copyright 2014 Google Inc. All rights reserved.
     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  package registry
    17  
    18  import (
    19  	"encoding/json"
    20  	"fmt"
    21  	"net/url"
    22  
    23  	. "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
    24  	"github.com/GoogleCloudPlatform/kubernetes/pkg/apiserver"
    25  	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
    26  )
    27  
    28  // TaskRegistryStorage implements the RESTStorage interface in terms of a TaskRegistry
    29  type TaskRegistryStorage struct {
    30  	registry      TaskRegistry
    31  	containerInfo client.ContainerInfo
    32  	scheduler     Scheduler
    33  }
    34  
    35  func MakeTaskRegistryStorage(registry TaskRegistry, containerInfo client.ContainerInfo, scheduler Scheduler) apiserver.RESTStorage {
    36  	return &TaskRegistryStorage{
    37  		registry:      registry,
    38  		containerInfo: containerInfo,
    39  		scheduler:     scheduler,
    40  	}
    41  }
    42  
    43  // LabelMatch tests to see if a Task's labels map contains 'key' mapping to 'value'
    44  func LabelMatch(task Task, queryKey, queryValue string) bool {
    45  	for key, value := range task.Labels {
    46  		if queryKey == key && queryValue == value {
    47  			return true
    48  		}
    49  	}
    50  	return false
    51  }
    52  
    53  // LabelMatch tests to see if a Task's labels map contains all key/value pairs in 'labelQuery'
    54  func LabelsMatch(task Task, labelQuery *map[string]string) bool {
    55  	if labelQuery == nil {
    56  		return true
    57  	}
    58  	for key, value := range *labelQuery {
    59  		if !LabelMatch(task, key, value) {
    60  			return false
    61  		}
    62  	}
    63  	return true
    64  }
    65  
    66  func (storage *TaskRegistryStorage) List(url *url.URL) (interface{}, error) {
    67  	var result TaskList
    68  	var query *map[string]string
    69  	if url != nil {
    70  		queryMap := client.DecodeLabelQuery(url.Query().Get("labels"))
    71  		query = &queryMap
    72  	}
    73  	tasks, err := storage.registry.ListTasks(query)
    74  	if err == nil {
    75  		result = TaskList{
    76  			Items: tasks,
    77  		}
    78  	}
    79  	return result, err
    80  }
    81  
    82  func (storage *TaskRegistryStorage) Get(id string) (interface{}, error) {
    83  	task, err := storage.registry.GetTask(id)
    84  	if err != nil {
    85  		return task, err
    86  	}
    87  	info, err := storage.containerInfo.GetContainerInfo(task.CurrentState.Host, id)
    88  	if err != nil {
    89  		return task, err
    90  	}
    91  	task.CurrentState.Info = info
    92  	return task, err
    93  }
    94  
    95  func (storage *TaskRegistryStorage) Delete(id string) error {
    96  	return storage.registry.DeleteTask(id)
    97  }
    98  
    99  func (storage *TaskRegistryStorage) Extract(body string) (interface{}, error) {
   100  	task := Task{}
   101  	err := json.Unmarshal([]byte(body), &task)
   102  	return task, err
   103  }
   104  
   105  func (storage *TaskRegistryStorage) Create(task interface{}) error {
   106  	taskObj := task.(Task)
   107  	if len(taskObj.ID) == 0 {
   108  		return fmt.Errorf("ID is unspecified: %#v", task)
   109  	}
   110  	machine, err := storage.scheduler.Schedule(taskObj)
   111  	if err != nil {
   112  		return err
   113  	}
   114  	return storage.registry.CreateTask(machine, taskObj)
   115  }
   116  
   117  func (storage *TaskRegistryStorage) Update(task interface{}) error {
   118  	return storage.registry.UpdateTask(task.(Task))
   119  }