From efde1fce5a548bddac675c7563883ff8b2695fe3 Mon Sep 17 00:00:00 2001
From: Sandra Soinska <sandra.soinska@digital.cabinet-office.gov.uk>
Date: Fri, 30 Aug 2024 09:27:59 +0100
Subject: [PATCH 01/15] OJ-2748 one request set in nino-check script to warm
 lambda

---
 deploy/scripts/src/common/imposter.ts       | 25 +++++++++++++++++++++
 deploy/scripts/src/cri-orange/nino-check.ts | 12 +++++++++-
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 deploy/scripts/src/common/imposter.ts

diff --git a/deploy/scripts/src/common/imposter.ts b/deploy/scripts/src/common/imposter.ts
new file mode 100644
index 00000000..cbf3366a
--- /dev/null
+++ b/deploy/scripts/src/common/imposter.ts
@@ -0,0 +1,25 @@
+import http from 'k6/http';
+
+export class Imposter {
+  public handler() {
+    const url = 'https://26okyhxy99.execute-api.eu-west-2.amazonaws.com/build/individuals/authentication/authenticator/api/match';
+    
+    const body = JSON.stringify({
+      firstName: 'Jim',
+      lastName: 'Ferguson',
+      dateOfBirth: '1970-01-01',
+      nino: 'AA000003D',
+    });
+
+    const params = {
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: 'Bearer goodToken',
+      },
+    };
+
+    const response = http.post(url, body, params);
+
+    return response;
+  }
+}
\ No newline at end of file
diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index 6436e03c..87265c00 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/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/imposter'
+
+const imposter = new Imposter()
 
 const profiles: ProfileList = {
   smoke: {
@@ -83,7 +86,14 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
     })
 })
 
-export function ninoCheck(): void {
+let imposterstarted = false
+
+export function ninoCheck(): void{
+  if (!imposterstarted) { const response = imposter.handler(); 
+    console.log('Response status: ', response.status);
+    console.log('Response body: ', response.body);
+    imposterstarted = true
+  }
   const groups = groupMap.ninoCheck
   let res: Response
   const credentials = `${stubCreds.userName}:${stubCreds.password}`

From 673974ab988cd91918f170a47470423e01246fc1 Mon Sep 17 00:00:00 2001
From: Sandra Soinska <sandra.soinska@digital.cabinet-office.gov.uk>
Date: Mon, 2 Sep 2024 16:22:44 +0100
Subject: [PATCH 02/15] OJ-2748 one request set in nino-check script to warm
 lambda

---
 deploy/scripts/src/common/imposter.ts       | 22 +++++++++++++++++++++
 deploy/scripts/src/cri-orange/nino-check.ts | 12 ++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 deploy/scripts/src/common/imposter.ts

diff --git a/deploy/scripts/src/common/imposter.ts b/deploy/scripts/src/common/imposter.ts
new file mode 100644
index 00000000..5c8190ea
--- /dev/null
+++ b/deploy/scripts/src/common/imposter.ts
@@ -0,0 +1,22 @@
+import http from 'k6/http';
+
+export class Imposter {
+  public handler() {
+    const url = 'https://privatevpceid';
+
+    const body = JSON.stringify({
+      'jsonbody'
+    });
+
+    const params = {
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: 'Bearer goodToken',
+      },
+    };
+
+    const response = http.post(url, body, params);
+
+    return response;
+  }
+}
\ No newline at end of file
diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index 6436e03c..902a86ca 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/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/imposter'
+
+const imposter = new Imposter()
 
 const profiles: ProfileList = {
   smoke: {
@@ -83,7 +86,14 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
     })
 })
 
-export function ninoCheck(): void {
+let imposterstarted = false
+
+export function ninoCheck(): void{
+  if (!imposterstarted) { const response = imposter.handler();
+    console.log('Response status: ', response.status);
+    console.log('Response body: ', response.body);
+    imposterstarted = true
+  }
   const groups = groupMap.ninoCheck
   let res: Response
   const credentials = `${stubCreds.userName}:${stubCreds.password}`

From 060c482366cfacfa56491ffaeb4421ef78d7a371 Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Thu, 5 Sep 2024 17:31:55 +0100
Subject: [PATCH 03/15] Fixed linting issues

---
 deploy/scripts/src/cri-orange/nino-check.ts | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index 87265c00..4124ad78 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/deploy/scripts/src/cri-orange/nino-check.ts
@@ -88,10 +88,11 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
 
 let imposterstarted = false
 
-export function ninoCheck(): void{
-  if (!imposterstarted) { const response = imposter.handler(); 
-    console.log('Response status: ', response.status);
-    console.log('Response body: ', response.body);
+export function ninoCheck(): void {
+  if (!imposterstarted) {
+    const response = imposter.handler()
+    console.log('Response status: ', response.status)
+    console.log('Response body: ', response.body)
     imposterstarted = true
   }
   const groups = groupMap.ninoCheck

From 9b0e19cc6076486e3a98d28c852650cca29671bb Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Fri, 6 Sep 2024 13:05:23 +0100
Subject: [PATCH 04/15] Fix Linting issues after merge from main

---
 deploy/scripts/src/cri-orange/nino-check.ts | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index e77ff5c4..4124ad78 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/deploy/scripts/src/cri-orange/nino-check.ts
@@ -88,12 +88,11 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
 
 let imposterstarted = false
 
-let imposterstarted = false
-
-export function ninoCheck(): void{
-  if (!imposterstarted) { const response = imposter.handler();
-    console.log('Response status: ', response.status);
-    console.log('Response body: ', response.body);
+export function ninoCheck(): void {
+  if (!imposterstarted) {
+    const response = imposter.handler()
+    console.log('Response status: ', response.status)
+    console.log('Response body: ', response.body)
     imposterstarted = true
   }
   const groups = groupMap.ninoCheck

From c6002bf48eb87fcb844e5122d4145983bc8132a3 Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Fri, 6 Sep 2024 13:12:26 +0100
Subject: [PATCH 05/15] Parameterize imposter stub URL and payload

---
 deploy/scripts/src/common/imposter.ts | 28 ++++++++++++++++-----------
 deploy/template.yaml                  |  2 ++
 2 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/deploy/scripts/src/common/imposter.ts b/deploy/scripts/src/common/imposter.ts
index 5c8190ea..5b0f0d17 100644
--- a/deploy/scripts/src/common/imposter.ts
+++ b/deploy/scripts/src/common/imposter.ts
@@ -1,22 +1,28 @@
-import http from 'k6/http';
+import http from 'k6/http'
+import { getEnv } from './utils/config/environment-variables'
+
+const env = {
+  imposterStubURL: getEnv('IDENTITY_NINO_IMPOSTER_STUB_URL')
+}
+const payload = {
+  reqBody: getEnv('IDENTITY_NINO_IMPOSTER_PAYLOAD')
+}
 
 export class Imposter {
   public handler() {
-    const url = 'https://privatevpceid';
+    const url = `'https://${env.imposterStubURL}`
 
-    const body = JSON.stringify({
-      'jsonbody'
-    });
+    const body = JSON.stringify(payload.reqBody)
 
     const params = {
       headers: {
         'Content-Type': 'application/json',
-        Authorization: 'Bearer goodToken',
-      },
-    };
+        Authorization: 'Bearer goodToken'
+      }
+    }
 
-    const response = http.post(url, body, params);
+    const response = http.post(url, body, params)
 
-    return response;
+    return response
   }
-}
\ No newline at end of file
+}
diff --git a/deploy/template.yaml b/deploy/template.yaml
index fb597f10..2c1fae86 100644
--- a/deploy/template.yaml
+++ b/deploy/template.yaml
@@ -478,6 +478,8 @@ 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_NINO_IMPOSTER_STUB_URL: "/perfTest/identity/nino/imposterStubUrl"
+              IDENTITY_NINO_IMPOSTER_PAYLOAD: "/perfTest/identity/nino/imposterStubPayload"
               IDENTITY_ORCH_STUB_PASSWORD: "/perfTest/identity/orchStubPassword"
               IDENTITY_ORCH_STUB_USERNAME: "/perfTest/identity/orchStubUsername"
               IDENTITY_PASSPORT_URL: "/perfTest/identity/lime/passportUrl"

From c9b724f6d5ec21e4d793db720e2695bd26651716 Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Fri, 6 Sep 2024 15:37:37 +0100
Subject: [PATCH 06/15] Update Imposter Stub URL path

---
 deploy/scripts/src/common/imposter.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/deploy/scripts/src/common/imposter.ts b/deploy/scripts/src/common/imposter.ts
index 5b0f0d17..8d32ab4f 100644
--- a/deploy/scripts/src/common/imposter.ts
+++ b/deploy/scripts/src/common/imposter.ts
@@ -10,7 +10,7 @@ const payload = {
 
 export class Imposter {
   public handler() {
-    const url = `'https://${env.imposterStubURL}`
+    const url = `https://${env.imposterStubURL}/build/individuals/authentication/authenticator/api/match`
 
     const body = JSON.stringify(payload.reqBody)
 

From cee80103008b9d9e812483cd56ec63ca8d53aeeb Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Fri, 6 Sep 2024 15:40:55 +0100
Subject: [PATCH 07/15] Move the imposter call in set up stage

---
 deploy/scripts/src/cri-orange/nino-check.ts | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index 4124ad78..578dd9bf 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/deploy/scripts/src/cri-orange/nino-check.ts
@@ -46,10 +46,6 @@ export const options: Options = {
   tags: { name: '' }
 }
 
-export function setup(): void {
-  describeProfile(loadProfile)
-}
-
 const env = {
   ipvCoreStub: getEnv('IDENTITY_CORE_STUB_URL'),
   envName: getEnv('ENVIRONMENT')
@@ -86,15 +82,18 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
     })
 })
 
-let imposterstarted = false
-
-export function ninoCheck(): void {
+export function setup(): void {
+  describeProfile(loadProfile)
+  let imposterstarted = false
   if (!imposterstarted) {
     const response = imposter.handler()
     console.log('Response status: ', response.status)
     console.log('Response body: ', response.body)
     imposterstarted = true
   }
+}
+
+export function ninoCheck(): void {
   const groups = groupMap.ninoCheck
   let res: Response
   const credentials = `${stubCreds.userName}:${stubCreds.password}`

From 8a53d4be5023dc44c8d3b545b8de716bf4a2ee29 Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Tue, 10 Sep 2024 15:09:51 +0100
Subject: [PATCH 08/15] Parameterizing bearer token

---
 deploy/scripts/src/common/imposter.ts | 3 ++-
 deploy/template.yaml                  | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/deploy/scripts/src/common/imposter.ts b/deploy/scripts/src/common/imposter.ts
index 8d32ab4f..8f86a744 100644
--- a/deploy/scripts/src/common/imposter.ts
+++ b/deploy/scripts/src/common/imposter.ts
@@ -7,6 +7,7 @@ const env = {
 const payload = {
   reqBody: getEnv('IDENTITY_NINO_IMPOSTER_PAYLOAD')
 }
+const bearerToken = getEnv('IDENTITY_NINO_BEARER_TOKEN')
 
 export class Imposter {
   public handler() {
@@ -17,7 +18,7 @@ export class Imposter {
     const params = {
       headers: {
         'Content-Type': 'application/json',
-        Authorization: 'Bearer goodToken'
+        Authorization: bearerToken
       }
     }
 
diff --git a/deploy/template.yaml b/deploy/template.yaml
index 2c1fae86..0accddba 100644
--- a/deploy/template.yaml
+++ b/deploy/template.yaml
@@ -478,6 +478,7 @@ 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_NINO_BEARER_TOKEN: "/perfTest/identity/nino/bearerToken"
               IDENTITY_NINO_IMPOSTER_STUB_URL: "/perfTest/identity/nino/imposterStubUrl"
               IDENTITY_NINO_IMPOSTER_PAYLOAD: "/perfTest/identity/nino/imposterStubPayload"
               IDENTITY_ORCH_STUB_PASSWORD: "/perfTest/identity/orchStubPassword"

From 1092c20d169f4d44282ca39919869f91b60f5244 Mon Sep 17 00:00:00 2001
From: Sandra Soinska <sandra.soinska@digital.cabinet-office.gov.uk>
Date: Wed, 11 Sep 2024 11:10:01 +0100
Subject: [PATCH 09/15] Function name and Readme updated

---
 deploy/scripts/README.md                                    | 2 ++
 deploy/scripts/src/common/{imposter.ts => lambda-warmer.ts} | 0
 deploy/scripts/src/cri-orange/nino-check.ts                 | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)
 rename deploy/scripts/src/common/{imposter.ts => lambda-warmer.ts} (100%)

diff --git a/deploy/scripts/README.md b/deploy/scripts/README.md
index fe925c24..097820f1 100644
--- a/deploy/scripts/README.md
+++ b/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'
diff --git a/deploy/scripts/src/common/imposter.ts b/deploy/scripts/src/common/lambda-warmer.ts
similarity index 100%
rename from deploy/scripts/src/common/imposter.ts
rename to deploy/scripts/src/common/lambda-warmer.ts
diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index 578dd9bf..68f93346 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/deploy/scripts/src/cri-orange/nino-check.ts
@@ -15,7 +15,7 @@ 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/imposter'
+import { Imposter } from '../common/lambda-warmer'
 
 const imposter = new Imposter()
 

From f3798d60188c7e8e638168464e533c9ecafcd282 Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Wed, 11 Sep 2024 16:19:08 +0100
Subject: [PATCH 10/15] Updated env var names and parameterize env name in URL

---
 deploy/scripts/src/common/imposter.ts | 9 +++++----
 deploy/template.yaml                  | 6 +++---
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/deploy/scripts/src/common/imposter.ts b/deploy/scripts/src/common/imposter.ts
index 8f86a744..073a950d 100644
--- a/deploy/scripts/src/common/imposter.ts
+++ b/deploy/scripts/src/common/imposter.ts
@@ -2,16 +2,17 @@ import http from 'k6/http'
 import { getEnv } from './utils/config/environment-variables'
 
 const env = {
-  imposterStubURL: getEnv('IDENTITY_NINO_IMPOSTER_STUB_URL')
+  imposterStubURL: getEnv('IDENTITY_IMPOSTER_STUB_URL'),
+  environment: getEnv('ENVIRONMENT')
 }
 const payload = {
-  reqBody: getEnv('IDENTITY_NINO_IMPOSTER_PAYLOAD')
+  reqBody: getEnv('IDENTITY_IMPOSTER_PAYLOAD')
 }
-const bearerToken = getEnv('IDENTITY_NINO_BEARER_TOKEN')
+const bearerToken = getEnv('IDENTITY_IMPOSTER_BEARER_TOKEN')
 
 export class Imposter {
   public handler() {
-    const url = `https://${env.imposterStubURL}/build/individuals/authentication/authenticator/api/match`
+    const url = `https://${env.imposterStubURL}/${env.environment}/individuals/authentication/authenticator/api/match`
 
     const body = JSON.stringify(payload.reqBody)
 
diff --git a/deploy/template.yaml b/deploy/template.yaml
index 0accddba..119aae2b 100644
--- a/deploy/template.yaml
+++ b/deploy/template.yaml
@@ -478,9 +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_NINO_BEARER_TOKEN: "/perfTest/identity/nino/bearerToken"
-              IDENTITY_NINO_IMPOSTER_STUB_URL: "/perfTest/identity/nino/imposterStubUrl"
-              IDENTITY_NINO_IMPOSTER_PAYLOAD: "/perfTest/identity/nino/imposterStubPayload"
+              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"

From 2264d257f3f8ae445c216f78d136aebf69bbe577 Mon Sep 17 00:00:00 2001
From: Sandra Soinska <sandra.soinska@digital.cabinet-office.gov.uk>
Date: Wed, 18 Sep 2024 09:04:01 +0100
Subject: [PATCH 11/15] Move imposter call in default stage

---
 deploy/scripts/src/cri-orange/nino-check.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index 68f93346..f9a06ba1 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/deploy/scripts/src/cri-orange/nino-check.ts
@@ -84,6 +84,9 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
 
 export function setup(): void {
   describeProfile(loadProfile)
+}
+
+export function ninoCheck(): void {
   let imposterstarted = false
   if (!imposterstarted) {
     const response = imposter.handler()
@@ -91,9 +94,6 @@ export function setup(): void {
     console.log('Response body: ', response.body)
     imposterstarted = true
   }
-}
-
-export function ninoCheck(): void {
   const groups = groupMap.ninoCheck
   let res: Response
   const credentials = `${stubCreds.userName}:${stubCreds.password}`

From c969a9c6061218d7c215fb4b37dd969761180dcd Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Thu, 3 Oct 2024 16:49:23 +0100
Subject: [PATCH 12/15] Move imposter stub to set up function and make
 concurrent batch request

---
 deploy/scripts/src/common/lambda-warmer.ts  | 20 +++++++++++---------
 deploy/scripts/src/cri-orange/nino-check.ts | 13 +++++++------
 2 files changed, 18 insertions(+), 15 deletions(-)

diff --git a/deploy/scripts/src/common/lambda-warmer.ts b/deploy/scripts/src/common/lambda-warmer.ts
index 073a950d..e7102ffe 100644
--- a/deploy/scripts/src/common/lambda-warmer.ts
+++ b/deploy/scripts/src/common/lambda-warmer.ts
@@ -12,18 +12,20 @@ const bearerToken = getEnv('IDENTITY_IMPOSTER_BEARER_TOKEN')
 
 export class Imposter {
   public handler() {
-    const url = `https://${env.imposterStubURL}/${env.environment}/individuals/authentication/authenticator/api/match`
-
-    const body = JSON.stringify(payload.reqBody)
-
-    const params = {
-      headers: {
-        'Content-Type': 'application/json',
-        Authorization: bearerToken
+    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 response = http.post(url, body, params)
+    const reqArray = Array(10).fill(req)
+    const response = http.batch(reqArray)
 
     return response
   }
diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index f9a06ba1..e0d33f94 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/deploy/scripts/src/cri-orange/nino-check.ts
@@ -43,7 +43,8 @@ const groupMap = {
 export const options: Options = {
   scenarios: loadProfile.scenarios,
   thresholds: getThresholds(groupMap),
-  tags: { name: '' }
+  tags: { name: '' },
+  batchPerHost: 10
 }
 
 const env = {
@@ -84,16 +85,16 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
 
 export function setup(): void {
   describeProfile(loadProfile)
-}
-
-export function ninoCheck(): void {
   let imposterstarted = false
   if (!imposterstarted) {
     const response = imposter.handler()
-    console.log('Response status: ', response.status)
-    console.log('Response body: ', response.body)
+    console.log('Response status: ', response[0].status)
+    console.log('Response body: ', response[0].body)
     imposterstarted = true
   }
+}
+
+export function ninoCheck(): void {
   const groups = groupMap.ninoCheck
   let res: Response
   const credentials = `${stubCreds.userName}:${stubCreds.password}`

From d7371cc4a3af2ca9e1a646a5a3684e9ecb64ae28 Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Thu, 3 Oct 2024 16:59:33 +0100
Subject: [PATCH 13/15] Fix code smell

---
 deploy/scripts/src/cri-orange/nino-check.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index e0d33f94..fc989eed 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/deploy/scripts/src/cri-orange/nino-check.ts
@@ -85,12 +85,11 @@ const csvData1: Nino[] = new SharedArray('csvDataNino', () => {
 
 export function setup(): void {
   describeProfile(loadProfile)
-  let imposterstarted = false
+  const imposterstarted = false
   if (!imposterstarted) {
     const response = imposter.handler()
     console.log('Response status: ', response[0].status)
     console.log('Response body: ', response[0].body)
-    imposterstarted = true
   }
 }
 

From 97fbaed22b891a1a03aea58dbdbd9a117ac380f1 Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Thu, 3 Oct 2024 17:03:00 +0100
Subject: [PATCH 14/15] Fix linting issue

---
 deploy/scripts/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/deploy/scripts/README.md b/deploy/scripts/README.md
index 097820f1..8c87089f 100644
--- a/deploy/scripts/README.md
+++ b/deploy/scripts/README.md
@@ -103,7 +103,7 @@ 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.  
+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'
 

From 9fbf6856871b00d209630e55f0b0293a834f0d86 Mon Sep 17 00:00:00 2001
From: Abhinay Srivastava
 <117734822+abhinaysrivastavaperf@users.noreply.github.com>
Date: Fri, 4 Oct 2024 15:00:01 +0100
Subject: [PATCH 15/15] Remove unused assignment variable and if condition

---
 deploy/scripts/src/cri-orange/nino-check.ts | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/deploy/scripts/src/cri-orange/nino-check.ts b/deploy/scripts/src/cri-orange/nino-check.ts
index fc989eed..71973c53 100644
--- a/deploy/scripts/src/cri-orange/nino-check.ts
+++ b/deploy/scripts/src/cri-orange/nino-check.ts
@@ -85,12 +85,9 @@ 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)
-  }
+  const response = imposter.handler()
+  console.log('Response status: ', response[0].status)
+  console.log('Response body: ', response[0].body)
 }
 
 export function ninoCheck(): void {