[英]How to add custom Metric and Alarm to AWS Lambda function via aws-cdk
我有点坚持配置cdk一个常见的用例:为Lambda 函数设置警报和指标
import lambda = require("@aws-cdk/aws-lambda")
import { Duration } from "@aws-cdk/core"
import lambda = require("@aws-cdk/aws-lambda")
import { Duration } from "@aws-cdk/core";
import { LogGroup } from '@aws-cdk/aws-logs'
import { MetricFilter, FilterPattern } from '@aws-cdk/aws-logs'
import { Alarm, ComparisonOperator, TreatMissingData } from "@aws-cdk/aws-cloudwatch"
const lambdaFn = new lambda.Function(this, "VouchersPayoutQueueConsumer", {
functionName: 'lambda-custom-name',
runtime: lambda.Runtime.NODEJS_10_X,
code: lambda.Code.fromAsset("dir_name"),
timeout: Duration.seconds(15),
memorySize: 1024,
handler: "handler.handlerMethod",
})
const METRIC_NAME = 'metric-name'
const METRIC_NAMESPACE = 'metric-namespace'
new MetricFilter(this, `MetricFilterId`, {
metricName: METRIC_NAME,
metricNamespace: METRIC_NAMESPACE,
logGroup: LogGroup.fromLogGroupName(this, "LambdaLogGroupId", `/aws/lambda/${lambdaFn.functionName}`),
filterPattern: FilterPattern.stringValue("$.params.name", "==", "ReportErrorsToS3"),
metricValue: "$.params.value"
})
new Alarm(this, "AlarmId", {
metric,
evaluationPeriods: 1,
actionsEnabled: true,
alarmName: `alarms-s3errors`,
alarmDescription: "Alarm ReportErrorsToS3",
comparisonOperator: ComparisonOperator.GREATER_THAN_THRESHOLD,
treatMissingData: TreatMissingData.IGNORE,
period: Duration.hours(1),
threshold: 1,
statistic: "max"
})
1/4 | 上午 11:02:05 | 创建失败 | AWS::日志::MetricFilter | MetricFilter (MetricFilter8E0FEF2B) 指定的日志组不存在。 (服务:AWSLogs;状态代码:400;错误代码:ResourceNotFoundException;请求 ID:a1395551-5768-40c3-baaa-cbb133effe7b)
AWS CDK AWS 1.22.0
结果:
import { Metric } from "@aws-cdk/aws-cloudwatch";
import lambda = require("@aws-cdk/aws-lambda")
import { Duration } from "@aws-cdk/core";
import { LogGroup } from '@aws-cdk/aws-logs'
import { MetricFilter, FilterPattern } from '@aws-cdk/aws-logs'
import { Alarm, ComparisonOperator, TreatMissingData } from "@aws-cdk/aws-cloudwatch"
const LAMBDA_CUSTOM_NAME = `lambda-custom-name`
let logGroup = new LogGroup(this, 'LogGroup', {
logGroupName: `/aws/lambda/${LAMBDA_CUSTOM_NAME}`
})
const lambdaFn = new lambda.Function(this, "VouchersPayoutQueueConsumer", {
functionName: LAMBDA_CUSTOM_NAME,
runtime: lambda.Runtime.NODEJS_10_X,
code: lambda.Code.fromAsset("dir_name"),
timeout: Duration.seconds(15),
memorySize: 1024,
handler: "handler.handlerMethod",
});
const METRIC_NAME = 'metric-name'
const METRIC_NAMESPACE = 'metric-namespace'
const metric = new Metric({
namespace: METRIC_NAMESPACE,
metricName: METRIC_NAME
})
new MetricFilter(this, `MetricFilterId`, {
metricName: METRIC_NAME,
metricNamespace: METRIC_NAMESPACE,
logGroup: logGroup,
filterPattern: FilterPattern.stringValue("$.params.name", "==", "ReportErrorsToS3"),
metricValue: "$.params.value"
})
new Alarm(this, "AlarmId", {
metric,
evaluationPeriods: 1,
actionsEnabled: true,
alarmName: `alarms-s3errors`,
alarmDescription: "Alarm ReportErrorsToS3",
comparisonOperator: ComparisonOperator.GREATER_THAN_THRESHOLD,
treatMissingData: TreatMissingData.IGNORE,
period: Duration.hours(1),
threshold: 1,
statistic: "max"
})
以上述答案为基础(我没有足够的评论要点)——如果您想遵循这种模式,请确保您指定了常量指标的类型“指标”。 它应该看起来像:
new Alarm(this, "AlarmId", {
metric: metric,
evaluationPeriods: 1,
actionsEnabled: true,
alarmName: `alarms-s3errors`,
alarmDescription: "Alarm ReportErrorsToS3",
comparisonOperator: ComparisonOperator.GREATER_THAN_THRESHOLD,
treatMissingData: TreatMissingData.IGNORE,
period: Duration.hours(1),
threshold: 1,
statistic: "max"
})
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.