文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。

# 使用以下方法的应用程序信号示例 AWS CLI
<a name="cli_2_application-signals_code_examples"></a>

以下代码示例向您展示了如何使用 with Application Signals 来执行操作和实现常见场景。 AWS Command Line Interface 

*操作*是大型程序的代码摘录，必须在上下文中运行。您可以通过操作了解如何调用单个服务函数，还可以通过函数相关场景的上下文查看操作。

每个示例都包含一个指向完整源代码的链接，您可以从中找到有关如何在上下文中设置和运行代码的说明。

**Topics**
+ [操作](#actions)

## 操作
<a name="actions"></a>

### `batch-get-service-level-objective-budget-report`
<a name="application-signals_BatchGetServiceLevelObjectiveBudgetReport_cli_2_topic"></a>

以下代码示例演示了如何使用 `batch-get-service-level-objective-budget-report`。

**AWS CLI**  
**检索一个或多个服务级别目标（SLO）预算报告。**  
以下 `batch-get-service-level-objective-budget-report` 示例检索一个或多个服务级别目标（SLO）预算报告。  

```
aws application-signals batch-get-service-level-objective-budget-report \
--timestamp 1735059869 \
--slo-ids "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName1" "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName2"
```
输出：  

```
{
    "Timestamp": "2024-12-24T22:34:29+05:30",
    "Reports": [{
            "Arn": "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName1",
            "Name": "Your SLO Name",
            "EvaluationType": "PeriodBased",
            "BudgetStatus": "OK",
            "Attainment": 100.0,
            "TotalBudgetSeconds": 6048,
            "BudgetSecondsRemaining": 6048,
            "Sli": {
                "SliMetric": {
                    "MetricDataQueries": [{
                        "Id": "m1",
                        "MetricStat": {
                            "Metric": {
                                "Namespace": "AWS/EC2",
                                "MetricName": "CPUUtilization",
                                "Dimensions": [{
                                    "Name": "InstanceId",
                                    "Value": "i-0e098765432522"
                                }]
                            },
                            "Period": 60,
                            "Stat": "Average"
                        },
                        "ReturnData": true
                    }]
                },
                "MetricThreshold": 200.0,
                "ComparisonOperator": "LessThanOrEqualTo"
            },
            "Goal": {
                "Interval": {
                    "RollingInterval": {
                        "DurationUnit": "DAY",
                        "Duration": 7
                    }
                },
                "AttainmentGoal": 99.0,
                "WarningThreshold": 50.0
            }
        },
        {
            "Arn": "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName2",
            "Name": "test",
            "EvaluationType": "PeriodBased",
            "BudgetStatus": "BREACHED",
            "Attainment": 97.39583275,
            "TotalBudgetSeconds": 86,
            "BudgetSecondsRemaining": -2154,
            "Sli": {
                "SliMetric": {
                    "MetricDataQueries": [{
                        "Id": "cwMetric",
                        "MetricStat": {
                            "Metric": {
                                "Namespace": "AWS/EC2",
                                "MetricName": "CPUUtilization",
                                "Dimensions": [{
                                    "Name": "InstanceId",
                                    "Value": "i-0e12345678922"
                                }]
                            },
                            "Period": 300,
                            "Stat": "Average"
                        },
                        "ReturnData": true
                    }]
                },
                "MetricThreshold": 5.0,
                "ComparisonOperator": "GreaterThan"
            },
            "Goal": {
                "Interval": {
                    "RollingInterval": {
                        "DurationUnit": "DAY",
                        "Duration": 1
                    }
                },
                "AttainmentGoal": 99.9,
                "WarningThreshold": 30.0
            }
        }
    ],
    "Errors": []
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[BatchGetServiceLevelObjectiveBudgetReport](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/batch-get-service-level-objective-budget-report.html)*中的。

### `create-service-level-objective`
<a name="application-signals_CreateServiceLevelObjective_cli_2_topic"></a>

以下代码示例演示了如何使用 `create-service-level-objective`。

**AWS CLI**  
**创建服务级别目标（SLO）**  
以下 `create-service-level-objective` 示例创建服务级别目标（SLO），有助于您确保关键业务运营符合客户期望。  

```
aws application-signals create-service-level-objective \
    --name "SLOName" \
    --description "Description of your SLO" \
    --sli-config file://sli-config.json
```
`sli-config.json` 的内容：  

```
{
    "SliMetricConfig": {
        "MetricDataQueries": [
            {
                "Id": "m1",
                "MetricStat": {
                    "Metric": {
                        "Namespace": "AWS/EC2",
                        "MetricName": "CPUUtilization",
                        "Dimensions": [
                            {
                                "Name": "InstanceId",
                                "Value": "i-0e5a1234561522"
                            }
                        ]
                    },
                    "Period": 60,
                    "Stat": "Average"
                },
                "ReturnData": true
            }
        ]
    },
    "MetricThreshold": 200,
    "ComparisonOperator": "LessThanOrEqualTo"
}
```
输出：  

```
{
    "Slo": {
    "Arn": "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName",
    "Name": "SLOName",
    "Description": "Description of your SLO",
    "CreatedTime": "2024-12-27T08:16:09.032000+05:30",
    "LastUpdatedTime": "2024-12-27T08:16:09.032000+05:30",
    "Sli": {
        "SliMetric": {
            "MetricDataQueries": [
                {
                    "Id": "m1",
                    "MetricStat": {
                        "Metric": {
                            "Namespace": "AWS/EC2",
                            "MetricName": "CPUUtilization",
                            "Dimensions": [
                                {
                                    "Name": "InstanceId",
                                    "Value": "i-0e59876543234522"
                                }
                            ]
                        },
                        "Period": 60,
                        "Stat": "Average"
                    },
                    "ReturnData": true
                }
            ]
        },
        "MetricThreshold": 200.0,
        "ComparisonOperator": "LessThanOrEqualTo"
    },
    "EvaluationType": "PeriodBased",
    "Goal": {
        "Interval": {
            "RollingInterval": {
                "DurationUnit": "DAY",
                "Duration": 7
            }
        },
        "AttainmentGoal": 99.0,
        "WarningThreshold": 50.0
      }
    }
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[CreateServiceLevelObjective](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/create-service-level-objective.html)*中的。

### `delete-service-level-objective`
<a name="application-signals_DeleteServiceLevelObjective_cli_2_topic"></a>

以下代码示例演示了如何使用 `delete-service-level-objective`。

**AWS CLI**  
**删除指定的服务级别目标。**  
以下 `delete-service-level-objective` 示例删除指定的服务级别目标。  

```
aws application-signals delete-service-level-objective \
    --id "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName"
```
此命令不生成任何输出。  
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DeleteServiceLevelObjective](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/delete-service-level-objective.html)*中的。

### `get-service-level-objective`
<a name="application-signals_GetServiceLevelObjective_cli_2_topic"></a>

以下代码示例演示了如何使用 `get-service-level-objective`。

**AWS CLI**  
**返回有关在账户中创建的 SLO 的信息**  
以下 `get-service-level-objective` 示例返回有关在账户中创建的一个 SLO 的信息。  

```
aws application-signals get-service-level-objective \
    --id "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName"
```
输出：  

```
{
    "Slo": {
        "Arn": "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName",
        "Name": "SLOName",
        "Description": "Description of your SLO",
        "CreatedTime": "2024-12-24T22:19:18.624000+05:30",
        "LastUpdatedTime": "2024-12-24T22:19:55.280000+05:30",
        "Sli": {
            "SliMetric": {
                "MetricDataQueries": [{
                    "Id": "m1",
                    "MetricStat": {
                        "Metric": {
                            "Namespace": "AWS/EC2",
                            "MetricName": "CPUUtilization",
                            "Dimensions": [{
                                "Name": "InstanceId",
                                "Value": "i-0e0987654321522"
                            }]
                        },
                        "Period": 60,
                        "Stat": "Average"
                    },
                    "ReturnData": true
                }]
            },
            "MetricThreshold": 200.0,
            "ComparisonOperator": "LessThanOrEqualTo"
        },
        "EvaluationType": "PeriodBased",
        "Goal": {
            "Interval": {
                "RollingInterval": {
                    "DurationUnit": "DAY",
                    "Duration": 7
                }
            },
            "AttainmentGoal": 99.0,
            "WarningThreshold": 50.0
        }
    }
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[GetServiceLevelObjective](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/get-service-level-objective.html)*中的。

### `get-service`
<a name="application-signals_GetService_cli_2_topic"></a>

以下代码示例演示了如何使用 `get-service`。

**AWS CLI**  
**返回有关 Application Signals 发现的服务的信息**  
以下 `get-service` 示例返回有关 Application Signals 发现的服务的信息。  

```
aws application-signals get-service \
    --start-time 1732704000 \
    --end-time 1732714500 \
    --key-attributes Environment=lambda:default,Name=hello-world-python,Type=Service
```
输出：  

```
{
    "Service": {
        "KeyAttributes": {
            "Environment": "lambda:default",
            "Name": "hello-world-python",
            "Type": "Service"
        },
        "AttributeMaps": [{
            "Lambda.Function.Name": "hello-world-python",
            "PlatformType": "AWS::Lambda"
        }],
        "MetricReferences": [{
            "Namespace": "ApplicationSignals",
            "MetricType": "LATENCY",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "lambda:default"
            }, {
                "Name": "Service",
                "Value": "hello-world-python"
            }],
            "MetricName": "Latency"
        }, {
            "Namespace": "ApplicationSignals",
            "MetricType": "FAULT",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "lambda:default"
            }, {
                "Name": "Service",
                "Value": "hello-world-python"
            }],
            "MetricName": "Fault"
        }, {
            "Namespace": "ApplicationSignals",
            "MetricType": "ERROR",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "lambda:default"
            }, {
                "Name": "Service",
                "Value": "hello-world-python"
            }],
            "MetricName": "Error"
        }],
        "LogGroupReferences": [{
            "Identifier": "/aws/lambda/hello-world-python",
            "ResourceType": "AWS::Logs::LogGroup",
            "Type": "AWS::Resource"
        }]
    },
    "StartTime": "2024-11-27T10:00:00+00:00",
    "EndTime": "2024-11-27T14:00:01+00:00",
    "LogGroupReferences": [{
        "Identifier": "/aws/lambda/hello-world-python",
        "ResourceType": "AWS::Logs::LogGroup",
        "Type": "AWS::Resource"
    }]
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[GetService](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/get-service.html)*中的。

### `list-service-dependencies`
<a name="application-signals_ListServiceDependencies_cli_2_topic"></a>

以下代码示例演示了如何使用 `list-service-dependencies`。

**AWS CLI**  
**返回您指定的服务的服务依赖项列表**  
以下 `list-service-dependencies` 示例返回您指定的服务的服务依赖项列表。  

```
aws application-signals list-service-dependencies \
    --start-time 1732021200 \
    --end-time 1732107600 \
    --key-attributes Environment=api-gateway:prod, Name=PetAdoptionStatusUpdater,Type=Service
```
输出：  

```
{
    "ServiceDependencies": [{
        "OperationName": "PUT /prod",
        "DependencyKeyAttributes": {
            "Environment": "lambda:default",
            "Name": "Services-name",
            "Type": "Service"
        },
        "DependencyOperationName": "Invoke",
        "MetricReferences": [{
            "Namespace": "ApplicationSignals",
            "MetricType": "LATENCY",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "api-gateway:prod"
            }, {
                "Name": "Operation",
                "Value": "PUT /prod"
            }, {
                "Name": "RemoteEnvironment",
                "Value": "lambda:default"
            }, {
                "Name": "RemoteOperation",
                "Value": "Invoke"
            }, {
                "Name": "RemoteService",
                "Value": "Services-name"
            }, {
                "Name": "Service",
                "Value": "PetAdoptionStatusUpdater"
            }],
            "MetricName": "Latency"
        }, {
            "Namespace": "ApplicationSignals",
            "MetricType": "FAULT",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "api-gateway:prod"
            }, {
                "Name": "Operation",
                "Value": "PUT /prod"
            }, {
                "Name": "RemoteEnvironment",
                "Value": "lambda:default"
            }, {
                "Name": "RemoteOperation",
                "Value": "Invoke"
            }, {
                "Name": "RemoteService",
                "Value": "Services-name"
            }, {
                "Name": "Service",
                "Value": "PetAdoptionStatusUpdater"
            }],
            "MetricName": "Fault"
        }, {
            "Namespace": "ApplicationSignals",
            "MetricType": "ERROR",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "api-gateway:prod"
            }, {
                "Name": "Operation",
                "Value": "PUT /prod"
            }, {
                "Name": "RemoteEnvironment",
                "Value": "lambda:default"
            }, {
                "Name": "RemoteOperation",
                "Value": "Invoke"
            }, {
                "Name": "RemoteService",
                "Value": "Services-name"
            }, {
                "Name": "Service",
                "Value": "PetAdoptionStatusUpdater"
            }],
            "MetricName": "Error"
        }]
    }],
    "StartTime": "2024-11-19T13:00:00+00:00",
    "EndTime": "2024-11-20T13:00:01+00:00"
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[ListServiceDependencies](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/list-service-dependencies.html)*中的。

### `list-service-dependents`
<a name="application-signals_ListServiceDependents_cli_2_topic"></a>

以下代码示例演示了如何使用 `list-service-dependents`。

**AWS CLI**  
**返回在提供的时间范围内调用指定服务的依赖项列表**  
以下 `list-service-dependents` 示例返回在提供的时间范围内调用指定服务的依赖项列表。  

```
aws application-signals list-service-dependents \
    --start-time 1732021200 \
    --end-time 1732107600 \
    --key-attributes Environment=generic:default,Name=PetSite,Type=Service
```
输出：  

```
{
    "ServiceDependents": [{
        "OperationName": "",
        "DependentKeyAttributes": {
            "Identifier": "pet-api-canary-hao",
            "ResourceType": "AWS::Synthetics::Canary",
            "Type": "AWS::Resource"
        },
        "DependentOperationName": "",
        "MetricReferences": []
    }, {
        "OperationName": "",
        "DependentKeyAttributes": {
            "Identifier": "PetSite",
            "ResourceType": "AWS::Synthetics::Canary",
            "Type": "AWS::Resource"
        },
        "DependentOperationName": "",
        "MetricReferences": []
    }],
    "StartTime": "2024-12-24T05:00:00+00:00",
    "EndTime": "2024-12-25T06:00:01+00:00"
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[ListServiceDependents](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/list-service-dependents.html)*中的。

### `list-service-level-objectives`
<a name="application-signals_ListServiceLevelObjectives_cli_2_topic"></a>

以下代码示例演示了如何使用 `list-service-level-objectives`。

**AWS CLI**  
**返回在此账户中 SLOs 创建的列表。**  
以下`list-service-level-objectives`示例返回在此账户中 SLOs 创建的列表。  

```
aws application-signals list-service-level-objectives
```
输出：  

```
{
    "SloSummaries": [{
        "Arn": "arn:aws:application-signals:us-east-1:123456789101:slo/test",
        "Name": "test",
        "CreatedTime": "2024-12-24T22:01:21.116000+05:30"
    }]
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[ListServiceLevelObjectives](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/list-service-level-objectives.html)*中的。

### `list-service-operations`
<a name="application-signals_ListServiceOperations_cli_2_topic"></a>

以下代码示例演示了如何使用 `list-service-operations`。

**AWS CLI**  
**返回此服务的已由 Application Signals 发现的操作的列表**  
以下 `list-service-operations` 示例返回此服务的已由 Application Signals 发现的操作的列表。  

```
aws application-signals list-service-operations \
    --start-time 1735017423 \
    --end-time 1735103823 \
    --key-attributes Environment=generic:default,Name=payforadoption,Type=Service
```
输出：  

```
{
    "ServiceOperations": [{
        "Name": "POST /api",
        "MetricReferences": [{
            "Namespace": "ApplicationSignals",
            "MetricType": "LATENCY",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "generic:default"
            }, {
                "Name": "Operation",
                "Value": "POST /api"
            }, {
                "Name": "Service",
                "Value": "payforadoption"
            }],
            "MetricName": "Latency"
        }, {
            "Namespace": "ApplicationSignals",
            "MetricType": "FAULT",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "generic:default"
            }, {
                "Name": "Operation",
                "Value": "POST /api"
            }, {
                "Name": "Service",
                "Value": "payforadoption"
            }],
            "MetricName": "Fault"
        }, {
            "Namespace": "ApplicationSignals",
            "MetricType": "ERROR",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "generic:default"
            }, {
                "Name": "Operation",
                "Value": "POST /api"
            }, {
                "Name": "Service",
                "Value": "payforadoption"
            }],
            "MetricName": "Error"
        }]
    }],
    "StartTime": "2024-12-24T05:00:00+00:00",
    "EndTime": "2024-12-25T06:00:01+00:00"
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[ListServiceOperations](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/list-service-operations.html)*中的。

### `list-services`
<a name="application-signals_ListServices_cli_2_topic"></a>

以下代码示例演示了如何使用 `list-services`。

**AWS CLI**  
**返回 Application Signals 已发现的服务列表**  
以下 `list-services` 示例返回 Application Signals 已发现的服务列表。  

```
aws application-signals list-services \
    --start-time 1734918791 \
    --end-time 1734965591
```
输出：  

```
{
    "ServiceSummaries": [{
        "KeyAttributes": {
            "Environment": "lambda:default",
            "Name": "hello-world-python",
            "Type": "Service"
        },
        "AttributeMaps": [{
            "Lambda.Function.Name": "hello-world-python",
            "PlatformType": "AWS::Lambda"
        }],
        "MetricReferences": [{
            "Namespace": "ApplicationSignals",
            "MetricType": "LATENCY",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "lambda:default"
            }, {
                "Name": "Service",
                "Value": "hello-world-python"
            }],
            "MetricName": "Latency"
        }, {
            "Namespace": "ApplicationSignals",
            "MetricType": "FAULT",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "lambda:default"
            }, {
                "Name": "Service",
                "Value": "hello-world-python"
            }],
            "MetricName": "Fault"
        }, {
            "Namespace": "ApplicationSignals",
            "MetricType": "ERROR",
            "Dimensions": [{
                "Name": "Environment",
                "Value": "lambda:default"
            }, {
                "Name": "Service",
                "Value": "hello-world-python"
            }],
            "MetricName": "Error"
        }]
    }],
    "StartTime": "2024-11-27T10:00:00+00:00",
    "EndTime": "2024-11-27T14:00:01+00:00"
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[ListServices](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/list-services.html)*中的。

### `list-tags-for-resource`
<a name="application-signals_ListTagsForResource_cli_2_topic"></a>

以下代码示例演示了如何使用 `list-tags-for-resource`。

**AWS CLI**  
**显示与 CloudWatch 资源关联的标签**  
以下`list-tags-for-resource`示例显示了与 CloudWatch 资源关联的标签。  

```
aws application-signals list-tags-for-resource \
    --resource-arn "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName"
```
输出：  

```
{
    "Tags": [{
        "Key": "test",
        "Value": "value"
    }]
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[ListTagsForResource](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/list-tags-for-resource.html)*中的。

### `start-discovery`
<a name="application-signals_StartDiscovery_cli_2_topic"></a>

以下代码示例演示了如何使用 `start-discovery`。

**AWS CLI**  
**为了使此 Amazon Web Services 账户能够使用 CloudWatch 应用程序信号**  
以下`start-discovery`示例通过创建*AWS ServiceRoleForCloudWatchApplicationSignals*服务相关角色使此 Amazon Web Services 账户能够使用 CloudWatch 应用程序信号。  

```
aws application-signals start-discovery
```
此命令不生成任何输出。  
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[StartDiscovery](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/start-discovery.html)*中的。

### `tag-resource`
<a name="application-signals_TagResource_cli_2_topic"></a>

以下代码示例演示了如何使用 `tag-resource`。

**AWS CLI**  
**为指定 CloudWatch 资源（例如服务级别目标）分配一个或多个标签（键值对）**  
以下`tag-resource`示例为指定 CloudWatch 资源（例如服务级别目标）分配一个或多个标签（键值对）。  

```
aws application-signals tag-resource \
    --resource-arn "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName" \
    --tags '{"Key":"test","Value":"value"}'
```
此命令不生成任何输出。  
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[TagResource](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/tag-resource.html)*中的。

### `untag-resource`
<a name="application-signals_UntagResource_cli_2_topic"></a>

以下代码示例演示了如何使用 `untag-resource`。

**AWS CLI**  
**从指定资源中移除一个或多个标签**  
以下 `untag-resource` 示例从指定的资源中移除一个或多个标签。  

```
aws application-signals untag-resource \
    --resource-arn "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName" \
    --tag-keys "test"
```
此命令不生成任何输出。  
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[UntagResource](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/untag-resource.html)*中的。

### `update-service-level-objective`
<a name="application-signals_UpdateServiceLevelObjective_cli_2_topic"></a>

以下代码示例演示了如何使用 `update-service-level-objective`。

**AWS CLI**  
**更新现有服务级别目标（SLO）**  
以下 `update-service-level-objective` 示例更新现有服务级别目标（SLO）。  

```
aws application-signals update-service-level-objective \
--cli-input-json file://update-slo.json
```
`update-slo.json` 的内容：  

```
{
    "id": "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName",
    "goal": {
        "Interval": {
            "RollingInterval": {
                "DurationUnit": "DAY",
                "Duration": 7
            }
        },
        "AttainmentGoal": 90.0,
        "WarningThreshold": 50.0
    }
}
```
输出：  

```
{
    "Slo": {
        "Arn": "arn:aws:application-signals:us-east-1:123456789101:slo/SLOName",
        "Name": "SLOName",
        "Description": "Description of your SLO",
        "CreatedTime": "2024-12-24T22:19:18.624000+05:30",
        "LastUpdatedTime": "2024-12-27T08:51:38.278000+05:30",
        "Sli": {
            "SliMetric": {
                "MetricDataQueries": [{
                    "Id": "m1",
                    "MetricStat": {
                        "Metric": {
                            "Namespace": "AWS/EC2",
                            "MetricName": "CPUUtilization",
                            "Dimensions": [{
                                "Name": "InstanceId",
                                "Value": "i-00987654345222"
                            }]
                        },
                        "Period": 60,
                        "Stat": "Average"
                    },
                    "ReturnData": true
                }]
            },
            "MetricThreshold": 200.0,
            "ComparisonOperator": "LessThanOrEqualTo"
        },
        "EvaluationType": "PeriodBased",
        "Goal": {
            "Interval": {
                "RollingInterval": {
                    "DurationUnit": "DAY",
                    "Duration": 7
                }
            },
            "AttainmentGoal": 90.0,
            "WarningThreshold": 50.0
        }
    }
}
```
有关更多信息，请参阅 *Amazon CloudWatch 用户指南*中的[应用程序信号](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Application-Monitoring-Sections.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[UpdateServiceLevelObjective](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/application-signals/update-service-level-objective.html)*中的。