OJ-2748 lambda warmer stage added to performance tests

deploy/scripts/README.md

@@ -103,6 +103,8 @@ Parameter store locations must start with the prefix `/perfTest/` in order for t
     |`SCENARIO`|`all`<sup>[_default_]</sup></br>`sign_in`</br>`create_account,sign_in`|Comma seperated list of scenarios to enable. Blank strings or `'all'` will default to enabling all scenarios in the selected load profile. Implementation in [`getScenarios`](src/common/utils/config/load-profiles.ts#L27-L36) function|
     |`ENVIRONMENT`|`build`<sup>[_default_]</sup></br>`staging`|Name of the environment where the test is being conducted. Accepted Values are build/staging depending on the test scenario|
 
+Note: To overcome latency issues caused by lambda cold starts, a [lambda warmer script](src/common/lambda-warmer.ts) is ran before performance tests. This sends concurrent requests to the respective imposter stub.
+
 5. Click 'Start Build'
 
 6. Build progress and the stdout results summary are printed in the 'Build logs'

deploy/scripts/src/common/lambda-warmer.ts

@@ -0,0 +1,32 @@
+import http from 'k6/http'
+import { getEnv } from './utils/config/environment-variables'
+
+const env = {
+  imposterStubURL: getEnv('IDENTITY_IMPOSTER_STUB_URL'),
+  environment: getEnv('ENVIRONMENT')
+}
+const payload = {
+  reqBody: getEnv('IDENTITY_IMPOSTER_PAYLOAD')
+}
+const bearerToken = getEnv('IDENTITY_IMPOSTER_BEARER_TOKEN')
+
+export class Imposter {
+  public handler() {
+    const req = {
+      method: 'POST',
+      url: `https://${env.imposterStubURL}/${env.environment}/individuals/authentication/authenticator/api/match`,
+      body: JSON.stringify(payload.reqBody),
+      params: {
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: bearerToken
+        }
+      }
+    }
+
+    const reqArray = Array(10).fill(req)
+    const response = http.batch(reqArray)
+
+    return response
+  }
+}

deploy/scripts/src/cri-orange/nino-check.ts

@@ -15,6 +15,9 @@ import { isStatusCode200, isStatusCode302, pageContentCheck } from '../common/ut
 import { sleepBetween } from '../common/utils/sleep/sleepBetween'
 import { getEnv } from '../common/utils/config/environment-variables'
 import { getThresholds } from '../common/utils/config/thresholds'
+import { Imposter } from '../common/lambda-warmer'
+
+const imposter = new Imposter()
 
 const profiles: ProfileList = {
   smoke: {
@@ -40,11 +43,8 @@ const groupMap = {
 export const options: Options = {
   scenarios: loadProfile.scenarios,
   thresholds: getThresholds(groupMap),
-  tags: { name: '' }
-}
-
-export function setup(): void {
-  describeProfile(loadProfile)
+  tags: { name: '' },
+  batchPerHost: 10
 }
 
 const env = {
@@ -83,6 +83,16 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
     })
 })
 
+export function setup(): void {
+  describeProfile(loadProfile)
+  const imposterstarted = false
+  if (!imposterstarted) {
+    const response = imposter.handler()
+    console.log('Response status: ', response[0].status)
+    console.log('Response body: ', response[0].body)
+  }
+}
+
 export function ninoCheck(): void {
   const groups = groupMap.ninoCheck
   let res: Response

deploy/template.yaml

@@ -478,6 +478,9 @@ Resources:
               IDENTITY_KIWI_F2F_STUB_URL: "/perfTest/identity/kiwi/f2f/stubUrl"
               IDENTITY_KIWI_F2F_TARGET: "/perfTest/identity/kiwi/f2f/target"
               IDENTITY_KIWI_STUB_SQS: "/perfTest/identity/kiwi/stubTxMAConsumer"
+              IDENTITY_IMPOSTER_BEARER_TOKEN: "/perfTest/identity/nino/bearerToken"
+              IDENTITY_IMPOSTER_PAYLOAD: "/perfTest/identity/nino/imposterStubPayload"
+              IDENTITY_IMPOSTER_STUB_URL: "/perfTest/identity/nino/imposterStubUrl"
               IDENTITY_ORCH_STUB_PASSWORD: "/perfTest/identity/orchStubPassword"
               IDENTITY_ORCH_STUB_USERNAME: "/perfTest/identity/orchStubUsername"
               IDENTITY_PASSPORT_URL: "/perfTest/identity/lime/passportUrl"