add ubuntu agent and cdn with lambda@edge resource for public access

.github/workflows/cdk.yml

@@ -15,4 +15,7 @@ jobs:
       - name: Run CDK Build and Test
         run: | 
           npm install
+          cd resources/cf-url-rewriter
+          npm install
+          cd -
           npm run build

bin/ci-stack.ts

@@ -9,6 +9,7 @@
 import { App, RemovalPolicy } from '@aws-cdk/core';
 import { CIStack } from '../lib/ci-stack';
 import { CIConfigStack } from '../lib/ci-config-stack';
+import { CiCdnStack } from '../lib/ci-cdn-stack';
 
 const app = new App();
 
@@ -17,3 +18,6 @@ const defaultEnv: string = 'Dev';
 const ciConfigStack = new CIConfigStack(app, `OpenSearch-CI-Config-${defaultEnv}`, {});
 
 const ciStack = new CIStack(app, `OpenSearch-CI-${defaultEnv}`, {});
+
+const ciCdnStack = new CiCdnStack(app, `OpenSearch-CI-Cdn-${defaultEnv}`, {});
+ciCdnStack.addDependency(ciStack);

lib/buildArtefacts/artifacts-public-access.ts

@@ -0,0 +1,69 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+import { Bucket } from '@aws-cdk/aws-s3';
+import {
+  CloudFrontAllowedMethods, CloudFrontWebDistribution, LambdaEdgeEventType, OriginAccessIdentity,
+} from '@aws-cdk/aws-cloudfront';
+import { CanonicalUserPrincipal, PolicyStatement } from '@aws-cdk/aws-iam';
+import { NodejsFunction } from '@aws-cdk/aws-lambda-nodejs';
+import { Architecture, Runtime } from '@aws-cdk/aws-lambda';
+import { CfnOutput, Duration } from '@aws-cdk/core';
+import { CiCdnStack } from '../ci-cdn-stack';
+
+export class ArtifactsPublicAccess {
+  constructor(stack: CiCdnStack, buildBucketArn: string) {
+    const buildBucket = Bucket.fromBucketArn(stack, 'artifactBuildBucket', `${buildBucketArn.toString()}`);
+
+    const originAccessIdentity = new OriginAccessIdentity(stack, 'cloudfront-OAI', {
+      comment: `OAI for ${buildBucket.bucketName}`,
+    });
+
+    buildBucket.addToResourcePolicy(new PolicyStatement({
+      actions: ['s3:GetObject'],
+      resources: [buildBucket.arnForObjects('*')],
+      principals: [new CanonicalUserPrincipal(originAccessIdentity.cloudFrontOriginAccessIdentityS3CanonicalUserId)],
+    }));
+
+    const urlRewriter = new NodejsFunction(stack, 'CfUrlRewriter', {
+      runtime: Runtime.NODEJS_14_X,
+      entry: `${__dirname}/../../resources/cf-url-rewriter/cf-url-rewriter.ts`,
+      handler: 'handler',
+      memorySize: 128,
+      architecture: Architecture.X86_64,
+    });
+
+    const distro = new CloudFrontWebDistribution(stack, 'CloudFrontBuildBucket', {
+      originConfigs: [
+        {
+          s3OriginSource: {
+            s3BucketSource: buildBucket,
+            originAccessIdentity,
+          },
+          behaviors: [
+            {
+              isDefaultBehavior: true,
+              compress: true,
+              allowedMethods: CloudFrontAllowedMethods.GET_HEAD,
+              lambdaFunctionAssociations: [{
+                eventType: LambdaEdgeEventType.VIEWER_REQUEST,
+                lambdaFunction: urlRewriter.currentVersion,
+              }],
+              defaultTtl: Duration.seconds(300),
+            },
+          ],
+        },
+      ],
+    });
+
+    new CfnOutput(stack, 'BuildDistributionDomainName', {
+      value: distro.distributionDomainName,
+      description: 'The domain name where the build artifacts will be available',
+    });
+  }
+}

lib/buildArtefacts/build-artifacts-permissions.ts

@@ -0,0 +1,93 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+import { Stack } from '@aws-cdk/core';
+import {
+  ArnPrincipal, Effect, Policy, PolicyStatement, Role,
+} from '@aws-cdk/aws-iam';
+import { CiCdnStack } from '../ci-cdn-stack';
+
+export interface buildArtifactProps {
+  mainNodeArn: string,
+  agentNodeArn: string,
+  buildBucketArn: string
+}
+
+export class BuildArtifactsPermissions {
+  private static readonly BUNDLE_ROLE_NAME = 'opensearch-bundle';
+
+  constructor(stack: CiCdnStack, props: buildArtifactProps) {
+    const opensearchBundleRole = new Role(stack, BuildArtifactsPermissions.BUNDLE_ROLE_NAME, {
+      assumedBy: Role.fromRoleArn(stack, 'MainNodeRole', `${props.mainNodeArn}`),
+      roleName: 'opensearch-bundle',
+    });
+
+    opensearchBundleRole.assumeRolePolicy?.addStatements(new PolicyStatement({
+      actions: ['sts:AssumeRole'],
+      principals: [new ArnPrincipal(`${props.agentNodeArn}`)],
+    }));
+
+    const opensearchBundlePolicies = BuildArtifactsPermissions.getOpensearchBundlePolicies(stack, props.buildBucketArn);
+    opensearchBundlePolicies.forEach((policy) => {
+      policy.attachToRole(opensearchBundleRole);
+    });
+  }
+
+  private static getOpensearchBundlePolicies(scope: Stack, s3BucketArn: string): Policy[] {
+    const policies: Policy[] = [];
+    const signingPolicy = new Policy(scope, 'signing-policy', {
+      statements: [
+        new PolicyStatement(
+          {
+            actions: ['sts:AssumeRole'],
+            resources: ['arn:aws:iam::447201093745:role/OpenSearchSignerPGPSigning-ArtifactAccessRole'],
+            effect: Effect.ALLOW,
+          },
+        ),
+      ],
+    });
+
+    const openSearchBundlePolicy = new Policy(scope, 'opensearch-bundle-policy', {
+      statements: [
+        new PolicyStatement({
+          actions: [
+            's3:GetObject*',
+            's3:GetBucket*',
+            's3:List*',
+          ],
+          resources: [`${s3BucketArn}`],
+          effect: Effect.ALLOW,
+        }),
+        new PolicyStatement(
+          {
+            actions: [
+              's3:GetObject*',
+              's3:GetBucket*',
+              's3:List*',
+              's3:PutObject',
+              's3:PutObjectLegalHold',
+              's3:PutObjectRetention',
+              's3:PutObjectTagging',
+              's3:PutObjectVersionTagging',
+              's3:Abort*',
+            ],
+            resources: [
+              `${s3BucketArn}/*/builds/*`,
+              `${s3BucketArn}/*/shas/*`,
+              `${s3BucketArn}/*/dist/*`,
+              `${s3BucketArn}/*/index.json`,
+            ],
+            effect: Effect.ALLOW,
+          },
+        ),
+      ],
+    });
+    policies.push(signingPolicy, openSearchBundlePolicy);
+    return policies;
+  }
+}

lib/ci-cdn-stack.ts

@@ -0,0 +1,30 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+import {
+  Construct, Fn, Stack, StackProps,
+} from '@aws-cdk/core';
+import { BuildArtifactsPermissions } from './buildArtefacts/build-artifacts-permissions';
+import { ArtifactsPublicAccess } from './buildArtefacts/artifacts-public-access';
+
+export class CiCdnStack extends Stack {
+  constructor(scope: Construct, id: string, props: StackProps) {
+    super(scope, id, props);
+    const mainNodeRoleArn = Fn.importValue('mainNodeRoleArn');
+    const agentNodeRoleArn = Fn.importValue('agentNodeRoleArn');
+    const buildBucketArn = Fn.importValue('buildBucketArn');
+
+    const buildArtifacts = new BuildArtifactsPermissions(this, {
+      mainNodeArn: mainNodeRoleArn,
+      agentNodeArn: agentNodeRoleArn,
+      buildBucketArn,
+    });
+
+    const artifactPublicAccess = new ArtifactsPublicAccess(this, buildBucketArn);
+  }
+}

lib/ci-stack.ts

@@ -9,10 +9,12 @@
 import { FlowLogDestination, FlowLogTrafficType, Vpc } from '@aws-cdk/aws-ec2';
 import { Secret } from '@aws-cdk/aws-secretsmanager';
 import {
+  CfnOutput,
   CfnParameter, Construct, Fn, RemovalPolicy, Stack, StackProps,
 } from '@aws-cdk/core';
 import { ListenerCertificate } from '@aws-cdk/aws-elasticloadbalancingv2';
 import { FileSystem } from '@aws-cdk/aws-efs';
+import { Bucket } from '@aws-cdk/aws-s3';
 import { CIConfigStack } from './ci-config-stack';
 import { JenkinsMainNode } from './compute/jenkins-main-node';
 import { JenkinsMonitoring } from './monitoring/ci-alarms';
@@ -96,7 +98,8 @@ export class CIStack extends Stack {
     const certificateArn = Secret.fromSecretCompleteArn(this, 'certificateArn', importedArnSecretBucketValue.toString());
     const listenerCertificate = ListenerCertificate.fromArn(certificateArn.secretValue.toString());
     const agentNode = new AgentNodes(this);
-    const agentNodes: AgentNodeProps[] = [agentNode.AL2_X64, agentNode.AL2_X64_DOCKER_1, agentNode.AL2_ARM64, agentNode.AL2_ARM64_DOCKER_1];
+    const agentNodes: AgentNodeProps[] = [agentNode.AL2_X64, agentNode.AL2_X64_DOCKER_1, agentNode.AL2_ARM64, agentNode.AL2_ARM64_DOCKER_1,
+      agentNode.UBUNTU_X64_DOCKER];
 
     const mainJenkinsNode = new JenkinsMainNode(this, {
       vpc,
@@ -124,10 +127,17 @@ export class CIStack extends Stack {
       useSsl,
     });
 
+    const artifactBucket = new Bucket(this, 'BuildBucket');
+
     this.monitoring = new JenkinsMonitoring(this, externalLoadBalancer, mainJenkinsNode);
 
     if (additionalCommandsContext.toString() !== 'undefined') {
       new RunAdditionalCommands(this, additionalCommandsContext.toString());
     }
+
+    new CfnOutput(this, 'Artifact Bucket Arn', {
+      value: artifactBucket.bucketArn.toString(),
+      exportName: 'buildBucketArn',
+    });
   }
 }

lib/compute/agent-nodes.ts

@@ -22,6 +22,8 @@ export class AgentNodes {
 
     readonly AL2_ARM64_DOCKER_1: AgentNodeProps;
 
+    readonly UBUNTU_X64_DOCKER: AgentNodeProps;
+
     constructor(stack: Stack) {
       this.AL2_X64 = {
         workerLabelString: 'AL2-X64',
@@ -61,5 +63,12 @@ export class AgentNodes {
         amiId: 'ami-020c52efb1a60f1ae',
         initScript: 'sudo yum update -y || sudo yum update -y',
       };
+      this.UBUNTU_X64_DOCKER = {
+        workerLabelString: 'Jenkins-Agent-Ubuntu2004-X64-m52xlarge-Docker-Builder',
+        instanceType: 'M52xlarge',
+        remoteUser: 'ubuntu',
+        amiId: 'ami-0f6ceb3b3687a3fba',
+        initScript: 'sudo apt-mark hold docker docker.io openssh-server && docker ps',
+      };
     }
 }