| 1 | import * as Alchemy from "alchemy"; |
| 2 | import * as AWS from "alchemy/AWS"; |
| 3 | import * as Output from "alchemy/Output"; |
| 4 | import * as Effect from "effect/Effect"; |
| 5 | import JobFunction from "./src/JobFunction.ts"; |
| 6 | |
| 7 | // AWS.providers() already provides AWSEnvironment from the SSO profile |
| 8 | // named by $AWS_PROFILE (defaults to "default"). To pin a different |
| 9 | // profile per stage, wrap with `Layer.provide(AWS.makeEnvironment({...}))`. |
| 10 | const aws = AWS.providers(); |
| 11 | const dashboardRegion = process.env.AWS_REGION ?? "us-west-2"; |
| 12 | |
| 13 | export default Alchemy.Stack( |
| 14 | "JobLambda", |
| 15 | { |
| 16 | providers: aws, |
| 17 | state: Alchemy.localState(), |
| 18 | }, |
| 19 | Effect.gen(function* () { |
| 20 | const func = yield* JobFunction; |
| 21 | const dashboard = yield* AWS.CloudWatch.Dashboard("JobDashboard", { |
| 22 | DashboardBody: func.functionName.pipe( |
| 23 | Output.map((functionName) => ({ |
| 24 | widgets: [ |
| 25 | { |
| 26 | type: "metric", |
| 27 | x: 0, |
| 28 | y: 0, |
| 29 | width: 12, |
| 30 | height: 6, |
| 31 | properties: { |
| 32 | title: "Lambda Invocations and Errors", |
| 33 | region: dashboardRegion, |
| 34 | stat: "Sum", |
| 35 | period: 300, |
| 36 | metrics: [ |
| 37 | ["AWS/Lambda", "Invocations", "FunctionName", functionName], |
| 38 | ["AWS/Lambda", "Errors", "FunctionName", functionName], |
| 39 | ], |
| 40 | }, |
| 41 | }, |
| 42 | { |
| 43 | type: "metric", |
| 44 | x: 12, |
| 45 | y: 0, |
| 46 | width: 12, |
| 47 | height: 6, |
| 48 | properties: { |
| 49 | title: "Lambda Duration", |
| 50 | region: dashboardRegion, |
| 51 | stat: "Average", |
| 52 | period: 300, |
| 53 | metrics: [ |
| 54 | ["AWS/Lambda", "Duration", "FunctionName", functionName], |
| 55 | ], |
| 56 | }, |
| 57 | }, |
| 58 | ], |
| 59 | })), |
| 60 | ), |
| 61 | }); |
| 62 | const alarm = yield* AWS.CloudWatch.Alarm("JobFunctionErrorsAlarm", { |
| 63 | AlarmDescription: |
| 64 | "Alerts when the example Lambda function reports errors.", |
| 65 | MetricName: "Errors", |
| 66 | Namespace: "AWS/Lambda", |
| 67 | Statistic: "Sum", |
| 68 | Period: 300, |
| 69 | EvaluationPeriods: 1, |
| 70 | Threshold: 1, |
| 71 | ComparisonOperator: "GreaterThanOrEqualToThreshold", |
| 72 | TreatMissingData: "notBreaching", |
| 73 | Dimensions: [ |
| 74 | { |
| 75 | Name: "FunctionName", |
| 76 | Value: func.functionName, |
| 77 | }, |
| 78 | ], |
| 79 | }); |
| 80 | return { |
| 81 | url: Output.interpolate`${func.functionUrl}?jobId=foo`, |
| 82 | dashboardName: dashboard.dashboardName, |
| 83 | alarmName: alarm.alarmName, |
| 84 | }; |
| 85 | }), |
| 86 | ); |