fix(infra): 1/3 use existing log on new ALB fargate

Ref. metriport/metriport-internal#1040

Signed-off-by: Rafael Leite <[email protected]>

packages/infra/config/env-config.ts

@@ -76,6 +76,10 @@ type EnvConfigBase = {
  alarmThresholds: RDSAlarmThresholds;
  };
  loadBalancerDnsName: string;
+ /**
+ * Introduced when we had to recreate the Fargate service, so we could keep using the existing log group.
+ */
+ logArn: string;
  apiGatewayUsagePlanId?: string; // optional since we need to create the stack first, then update this and redeploy
  usageReportUrl?: string;
  fhirServerUrl: string;

packages/infra/config/example.ts

@@ -25,6 +25,7 @@ export const config: EnvConfigNonSandbox = {
  },
  },
  loadBalancerDnsName: "<your-load-balancer-dns-name>",
+ logArn: "<your-log-arn>",
  fhirToMedicalLambda: {
  nodeRuntimeArn: "arn:aws:lambda:<region>::runtime:<id>",
  },

packages/infra/lib/api-stack/api-service.ts

@@ -17,6 +17,7 @@ import {
 import { AlbTarget } from "aws-cdk-lib/aws-elasticloadbalancingv2-targets";
 import * as iam from "aws-cdk-lib/aws-iam";
 import { IFunction as ILambda } from "aws-cdk-lib/aws-lambda";
+import { LogGroup } from "aws-cdk-lib/aws-logs";
 import * as rds from "aws-cdk-lib/aws-rds";
 import * as r53 from "aws-cdk-lib/aws-route53";
 import * as r53_targets from "aws-cdk-lib/aws-route53-targets";
@@ -128,6 +129,7 @@ export function createAPIService({
  // Run some servers on fargate containers
  const listenerPort = 80;
  const containerPort = 8080;
+ const logGroup = LogGroup.fromLogGroupArn(stack, "ApiLogGroup", props.config.logArn);
  // TODO RENAME to remove "Alb"
  const fargateServiceAlb = new ecs_patterns.ApplicationLoadBalancedFargateService(
  stack,
@@ -142,6 +144,10 @@ export function createAPIService({
  image: ecs.ContainerImage.fromEcrRepository(ecrRepo, "latest"),
  containerPort,
  containerName: "API-Server",
+ logDriver: ecs.LogDrivers.awsLogs({
+ logGroup,
+ streamPrefix: "APIFargateService",
+ }),
  secrets: {
  DB_CREDS: ecs.Secret.fromSecretsManager(dbCredsSecret),
  SEARCH_PASSWORD: ecs.Secret.fromSecretsManager(searchAuth.secret),