How do I use AWS X-Ray with Redis?
In this guide, we will set up AWS X-Ray to monitor a Redis instance. AWS X-Ray helps with debugging and analyzing applications by tracing requests as they travel through the system. We will create a Redis instance and enable AWS X-Ray for monitoring.
Key Points:
- Set up a Redis instance on AWS.
- Enable AWS X-Ray for tracing and monitoring.
- Use Pulumi to define and deploy the infrastructure.
import * as pulumi from "@pulumi/pulumi";
import * as aws from "@pulumi/aws";
// Create an AWS VPC
const vpc = new aws.ec2.Vpc("myVpc", {
cidrBlock: "10.0.0.0/16",
enableDnsHostnames: true,
enableDnsSupport: true,
});
// Create a subnet in the VPC
const subnet = new aws.ec2.Subnet("mySubnet", {
vpcId: vpc.id,
cidrBlock: "10.0.1.0/24",
availabilityZone: "us-west-2a",
});
// Create a security group for the Redis instance
const securityGroup = new aws.ec2.SecurityGroup("redisSecurityGroup", {
vpcId: vpc.id,
ingress: [
{
protocol: "tcp",
fromPort: 6379,
toPort: 6379,
cidrBlocks: ["0.0.0.0/0"],
},
],
egress: [
{
protocol: "tcp",
fromPort: 0,
toPort: 0,
cidrBlocks: ["0.0.0.0/0"],
},
],
});
// Create a Redis instance
const redis = new aws.elasticache.Cluster("myRedis", {
clusterId: "my-redis-cluster",
engine: "redis",
nodeType: "cache.t2.micro",
numCacheNodes: 1,
parameterGroupName: "default.redis3.2",
port: 6379,
subnetGroupName: new aws.elasticache.SubnetGroup("redisSubnetGroup", {
subnetIds: [subnet.id],
}).name,
securityGroupIds: [securityGroup.id],
});
// Create an IAM role for AWS X-Ray
const xrayRole = new aws.iam.Role("xrayRole", {
assumeRolePolicy: aws.iam.assumeRolePolicyForPrincipal({ Service: "xray.amazonaws.com" }),
});
// Attach the AWS X-Ray policy to the role
const xrayPolicyAttachment = new aws.iam.RolePolicyAttachment("xrayPolicyAttachment", {
role: xrayRole,
policyArn: "arn:aws:iam::aws:policy/AWSXRayDaemonWriteAccess",
});
// Create an X-Ray group
const xrayGroup = new aws.xray.Group("xrayGroup", {
filterExpression: "service(\"redis\")",
groupName: "redis-group",
});
// Export the Redis endpoint and X-Ray group URL
export const redisEndpoint = redis.cacheNodes.apply(nodes => nodes[0].address);
export const xrayGroupUrl = pulumi.interpolate`https://console.aws.amazon.com/xray/home#/groups/${xrayGroup.groupName}`;
Summary
In this guide, we created an AWS VPC, a subnet, and a security group for our Redis instance. We then set up a Redis instance within the subnet. Additionally, we created an IAM role and attached the necessary policy for AWS X-Ray. Finally, we created an X-Ray group to monitor our Redis instance and exported the Redis endpoint and X-Ray group URL. This setup allows us to trace and debug requests to our Redis instance using AWS X-Ray.
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