# 替换MXJob
#### 功能介绍
替换MXJob。如下字段可被替换：
- metadata.labels
- metadata.annotations
- spec.activeDeadlineSeconds
- spec.ttlSecondsAfterFinished
- spec.cleanPodPolicy
 
#### URI
PUT /apis/kubeflow.org/v1/namespaces/{namespace}/mxjobs/{name}
表1Path参数 
| 参数        | 是否必选 | 描述                                                         |
|:---|:---|:---|
| name      | Yes  | name of the MXJob                                          |
| namespace | Yes  | object name and auth scope, such as for teams and projects |
   
表2Query参数 
| 参数     | 是否必选 | 描述                                            |
|:---|:---|:---|
| pretty | No   | If 'true', then the output is pretty printed. |
   
#### 请求消息
**请求参数**：
请求参数的详细描述请参见[表162](https://support.huaweicloud.com/api-cci/cci_02_0074.html#cci_02_0074__table65611161418)。
**请求示例：**
更改MXJob的结束存活时间ttlSecondsAfterFinished：
```
{
    "apiVersion": "kubeflow.org/v1",
    "kind": "MXJob",
    "metadata": {
        "creationTimestamp": "2019-07-29T03:34:33Z",
        "generation": 2,
        "name": "mxnet-job",
        "namespace": "kube-test",
        "resourceVersion": "75615427",
        "selfLink": "/apis/kubeflow.org/v1/namespaces/kube-test/mxjobs/mxnet-job",
        "uid": "c82e664f-b1b1-11e9-b310-b44326d0c915"
    },
    "spec": {
        "cleanPodPolicy": "Running",
        "jobMode": "MXTrain",
        "mxReplicaSpecs": {
            "Scheduler": {
                "replicas": 1,
                "restartPolicy": "Never",
                "template": {
                    "spec": {
                        "containers": [
                            {
                                "args": [
                                    "-c",
                                    "python train_imagenet.py"
                                ],
                                "command": [
                                    "/bin/bash"
                                ],
                                "image": "100.79.1.215:20202/paas_cci_w00427225/mxnet:xsw-dis",
                                "name": "mxnet",
                                "resources": {
                                    "limits": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    },
                                    "requests": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    }
                                }
                            }
                        ],
                        "imagePullSecrets": [
                            {
                                "name": "imagepull-secret"
                            }
                        ]
                    }
                }
            },
            "Server": {
                "replicas": 1,
                "restartPolicy": "Never",
                "template": {
                    "spec": {
                        "containers": [
                            {
                                "args": [
                                    "-c",
                                    "python train_imagenet.py"
                                ],
                                "command": [
                                    "/bin/bash"
                                ],
                                "image": "100.79.1.215:20202/paas_cci_w00427225/mxnet:xsw-dis",
                                "name": "mxnet",
                                "resources": {
                                    "limits": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    },
                                    "requests": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    }
                                }
                            }
                        ],
                        "imagePullSecrets": [
                            {
                                "name": "imagepull-secret"
                            }
                        ]
                    }
                }
            },
            "Worker": {
                "replicas": 1,
                "restartPolicy": "Never",
                "template": {
                    "spec": {
                        "containers": [
                            {
                                "args": [
                                    "-c",
                                    "python train_imagenet.py --benchmark 1  --network resnet --batch-size 1 --num-epochs 1 --kv-store dist_sync --num-examples 500"
                                ],
                                "command": [
                                    "/bin/bash"
                                ],
                                "image": "100.79.1.215:20202/paas_cci_w00427225/mxnet:xsw-dis",
                                "name": "mxnet",
                                "resources": {
                                    "limits": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    },
                                    "requests": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    }
                                }
                            }
                        ],
                        "imagePullSecrets": [
                            {
                                "name": "imagepull-secret"
                            }
                        ]
                    }
                }
            }
        },
        "ttlSecondsAfterFinished": 10000
    },
    "status": {
        "conditions": [
            {
                "lastTransitionTime": "2019-07-29T03:34:33Z",
                "lastUpdateTime": "2019-07-29T03:34:33Z",
                "message": "MXJob mxnet-job is created.",
                "reason": "MXJobCreated",
                "status": "True",
                "type": "Created"
            },
            {
                "lastTransitionTime": "2019-07-29T03:34:33Z",
                "lastUpdateTime": "2019-07-29T03:35:22Z",
                "message": "MXJob mxnet-job is running.",
                "reason": "MXJobRunning",
                "status": "True",
                "type": "Running"
            }
        ],
        "mxReplicaStatuses": {
            "Scheduler": {
                "active": 1
            },
            "Server": {
                "active": 1
            },
            "Worker": {
                "active": 1
            }
        },
        "startTime": "2019-07-29T03:34:33Z"
    }
}
```
#### 响应消息
**响应参数**：
响应参数的详细描述请参见[表162](https://support.huaweicloud.com/api-cci/cci_02_0074.html#cci_02_0074__table65611161418)。
**响应示例：**
```
{
    "apiVersion": "kubeflow.org/v1",
    "kind": "MXJob",
    "metadata": {
        "creationTimestamp": "2019-07-29T03:34:33Z",
        "generation": 2,
        "name": "mxnet-job",
        "namespace": "kube-test",
        "resourceVersion": "75615427",
        "selfLink": "/apis/kubeflow.org/v1/namespaces/kube-test/mxjobs/mxnet-job",
        "uid": "c82e664f-b1b1-11e9-b310-b44326d0c915"
    },
    "spec": {
        "cleanPodPolicy": "Running",
        "jobMode": "MXTrain",
        "mxReplicaSpecs": {
            "Scheduler": {
                "replicas": 1,
                "restartPolicy": "Never",
                "template": {
                    "spec": {
                        "containers": [
                            {
                                "args": [
                                    "-c",
                                    "python train_imagenet.py"
                                ],
                                "command": [
                                    "/bin/bash"
                                ],
                                "image": "100.79.1.215:20202/paas_cci_w00427225/mxnet:xsw-dis",
                                "name": "mxnet",
                                "resources": {
                                    "limits": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    },
                                    "requests": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    }
                                }
                            }
                        ],
                        "imagePullSecrets": [
                            {
                                "name": "imagepull-secret"
                            }
                        ]
                    }
                }
            },
            "Server": {
                "replicas": 1,
                "restartPolicy": "Never",
                "template": {
                    "spec": {
                        "containers": [
                            {
                                "args": [
                                    "-c",
                                    "python train_imagenet.py"
                                ],
                                "command": [
                                    "/bin/bash"
                                ],
                                "image": "100.79.1.215:20202/paas_cci_w00427225/mxnet:xsw-dis",
                                "name": "mxnet",
                                "resources": {
                                    "limits": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    },
                                    "requests": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    }
                                }
                            }
                        ],
                        "imagePullSecrets": [
                            {
                                "name": "imagepull-secret"
                            }
                        ]
                    }
                }
            },
            "Worker": {
                "replicas": 1,
                "restartPolicy": "Never",
                "template": {
                    "spec": {
                        "containers": [
                            {
                                "args": [
                                    "-c",
                                    "python train_imagenet.py --benchmark 1  --network resnet --batch-size 1 --num-epochs 1 --kv-store dist_sync --num-examples 500"
                                ],
                                "command": [
                                    "/bin/bash"
                                ],
                                "image": "100.79.1.215:20202/paas_cci_w00427225/mxnet:xsw-dis",
                                "name": "mxnet",
                                "resources": {
                                    "limits": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    },
                                    "requests": {
                                        "cpu": "1000m",
                                        "memory": "2Gi"
                                    }
                                }
                            }
                        ],
                        "imagePullSecrets": [
                            {
                                "name": "imagepull-secret"
                            }
                        ]
                    }
                }
            }
        },
        "ttlSecondsAfterFinished": 10000
    },
    "status": {
        "conditions": [
            {
                "lastTransitionTime": "2019-07-29T03:34:33Z",
                "lastUpdateTime": "2019-07-29T03:34:33Z",
                "message": "MXJob mxnet-job is created.",
                "reason": "MXJobCreated",
                "status": "True",
                "type": "Created"
            },
            {
                "lastTransitionTime": "2019-07-29T03:34:33Z",
                "lastUpdateTime": "2019-07-29T03:35:22Z",
                "message": "MXJob mxnet-job is running.",
                "reason": "MXJobRunning",
                "status": "True",
                "type": "Running"
            }
        ],
        "mxReplicaStatuses": {
            "Scheduler": {
                "active": 1
            },
            "Server": {
                "active": 1
            },
            "Worker": {
                "active": 1
            }
        },
        "startTime": "2019-07-29T03:34:33Z"
    }
}
```
#### 状态码
表3状态码 
| 状态码 | 描述             |
|:---|:---|
| 200 | OK             |
| 201 | Created        |
| 401 | Unauthorized   |
| 400 | BadRequest     |
| 500 | Internal Error |
| 403 | Forbidden      |