github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/runsc/container/status.go (about)

     1  // Copyright 2018 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package container
    16  
    17  // Status enumerates container statuses. The statuses and their semantics are
    18  // part of the runtime CLI spec.
    19  type Status int
    20  
    21  const (
    22  	// Created indicates "the runtime has finished the create operation and
    23  	// the container process has neither exited nor executed the
    24  	// user-specified program".
    25  	Created Status = iota
    26  
    27  	// Creating indicates "the container is being created".
    28  	Creating
    29  
    30  	// Paused indicates that the process within the container has been
    31  	// suspended.
    32  	Paused
    33  
    34  	// Running indicates "the container process has executed the
    35  	// user-specified program but has not exited".
    36  	Running
    37  
    38  	// Stopped indicates "the container process has exited".
    39  	Stopped
    40  )
    41  
    42  // String converts a Status to a string. These strings are part of the runtime
    43  // CLI spec and should not be changed.
    44  func (s Status) String() string {
    45  	switch s {
    46  	case Created:
    47  		return "created"
    48  	case Creating:
    49  		return "creating"
    50  	case Paused:
    51  		return "paused"
    52  	case Running:
    53  		return "running"
    54  	case Stopped:
    55  		return "stopped"
    56  	default:
    57  		return "unknown"
    58  	}
    59  
    60  }