merge files from the blockchain infra repo (#59)

code/kubernetes/python-cdk/ts/MSK_example/lib/MskCluster.ts

@@ -0,0 +1,75 @@
+import cdk = require("@aws-cdk/core");
+import ec2 = require("@aws-cdk/aws-ec2");
+import msk = require("@aws-cdk/aws-msk");
+
+
+interface MSKStackProps extends cdk.StackProps {
+  vpc: ec2.IVpc;
+}
+export class MskClusterStack extends cdk.Stack {
+  private vpc: ec2.IVpc;
+  
+  constructor(scope: cdk.Construct, id: string, props?: MSKStackProps) {
+    super(scope, id, props);
+    const current_env = this.node.tryGetContext("env.type");
+
+    //****************************** Context variables **************************************//
+    const clusterName = this.node.tryGetContext("msk.DevMskCluster");
+    const clusterTag = this.node.tryGetContext("msk.mskClusterTag");
+    const brokerNodeGroupBrokerAzDistribution = this.node.tryGetContext("msk.brokerNodeGroupBrokerAzDistribution");
+    const brokerNodeGroupEBSVolumeSize = this.node.tryGetContext("msk.brokerNodeGroupEBSVolumeSize");
+    const brokerNodeGroupInstanceType = this.node.tryGetContext("msk.brokerNodeGroupInstanceType");
+    const brokerPort = this.node.tryGetContext("msk.brokerPort");
+    const kafkaVersion = this.node.tryGetContext("msk.kafkaVersion");
+    const numberOfBrokerNodes = this.node.tryGetContext("msk.numberOfBrokerNodes");
+    const enhancedMonitoring = this.node.tryGetContext("msk.enhancedMonitoring");
+
+    //****************************************  VPC 
+    if (props)
+      this.vpc = props.vpc;
+    else
+      this.vpc = ec2.Vpc.fromLookup(this, current_env+"Vpc", {
+        vpcName: "VPCStack/"+current_env+"Vpc"
+      });
+
+    //****************************************  SG 
+    const description = "Allow access to "+current_env+" MSK Cluster";
+    const SecurityGroup = new ec2.SecurityGroup(
+        this,
+        current_env+"MskClusterSG",
+        {
+          vpc: this.vpc,
+          securityGroupName: current_env+"MskClusterSG",
+          description: description,
+          allowAllOutbound: true
+        }
+    );
+    SecurityGroup.addIngressRule(
+        ec2.Peer.anyIpv4(),
+        ec2.Port.tcp(brokerPort),
+        description
+    );
+
+    //*******************************  MSK Cluster **************************//
+    const cluster = new msk.CfnCluster(this, "MskCluster", {
+        brokerNodeGroupInfo: {
+          clientSubnets: this.vpc.privateSubnets.map(x => x.subnetId),
+          instanceType: brokerNodeGroupInstanceType,
+          brokerAzDistribution: brokerNodeGroupBrokerAzDistribution,
+          storageInfo: {
+            ebsStorageInfo: {
+              volumeSize: brokerNodeGroupEBSVolumeSize
+            }
+          }
+        },
+        clusterName: clusterName,
+        kafkaVersion: kafkaVersion,
+        numberOfBrokerNodes: numberOfBrokerNodes,
+        enhancedMonitoring: enhancedMonitoring,
+        tags: {
+          name: current_env+clusterTag,
+        }
+      });
+    }
+  }
+

code/kubernetes/python-cdk/ts/MSK_example/lib/Vpc.ts

@@ -0,0 +1,19 @@
+import cdk = require('@aws-cdk/core');
+import ec2 = require("@aws-cdk/aws-ec2");
+
+export class VPCStack extends cdk.Stack {
+  readonly Vpc: ec2.IVpc;
+
+  constructor(scope: cdk.Construct, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+    const current_env = this.node.tryGetContext("env.type");
+
+    const vpc_cidr = this.node.tryGetContext("vpc.cidr");
+    const vpc_maxAzs = this.node.tryGetContext("vpc.maxAzs");
+    const vpc = new ec2.Vpc(this, current_env+"Vpc", {
+      cidr: vpc_cidr,
+      maxAzs: vpc_maxAzs
+    });
+    this.Vpc = vpc;
+  }
+}