linkerd examples

🎈 Welcome to linkerd-examples! 👋

This repo contains subdirectories with various examples for how to use linkerd and namerd. Each of the subdirectories is described below.

All examples and documents in this repo refer to Linkerd 1.x unless explicitly called out as a Linkerd2 example. For more information on getting started with Linkerd2, head over to the Linkerd2 Getting Started Guide.

Getting started

• getting-started/

Provides guides for getting linkerd up and running in multiple different environments, including local development, docker-compose, DC/OS, and Kubernetes. More information:

• Getting Started: Running with Docker
• Getting Started: Running in Kubernetes

Add steps demo

• add-steps/

Provides a self-contained docker-compose environment that can be used to test linkerd's performance. More information:

• Making Things Faster by Adding More Steps

Consul

• consul/

Provides a self-contained docker-compose environment which shows how to use consul as a service discovery back-end with linkerd.

DC/OS

• dcos/

Provides common configurations for deploying linkerd and namerd to DC/OS. More information:

• Getting Started: Running in DC/OS
• linkerd on DC/OS for Service Discovery and Visibility

Docker

• docker/

Contains files and scripts for building custom Docker images that are used in some of the examples in this repo.

Amazon ECS

• ecs/

Provides common configurations for deploying linkerd to Amazon ECS. More information:

• Getting Started: Running in ECS

Failure accrual demo

• failure-accrual/

Provides a self-contained docker-compose environment that can be used to test various failure accrual settings. More information:

• Making microservices more resilient with advanced circuit breaking

Gob's microservice

• gob/

Defines an example microservice application that uses linkerd and namerd to do staging, canary, and blue-green deploy.

http_proxy

• http-proxy/

Contains a linkerd configuration file that demonstrates how to make requests through linkerd using the http_proxy environment variable. More information:

• Features: HTTP proxy integration

influxdb

• influxdb/

Sets up a demo environment that configures a linkerd-viz-like dashboard using linkerd, Telegraf, InfluxDB, and Grafana. Provides helpful configuration files and dashboards for all components.

A Service Mesh for Kubernetes

• k8s-daemonset/

Defines a sample hello world app and multiple configs for deploying the app to Kubernetes in various configurations, in support for Buoyant's "A Service Mesh for Kubernetes" series of blog posts. More information:

• A Service Mesh for Kubernetes, Part I: Top-Line Service Metrics
• Getting Started: Running in Kubernetes with DaemonSets

lifecycle

• lifecycle/

Production testing Linkerd2's discovery & caching.

linkerd-tcp

• linkerd-tcp/

Sets up a demo environment that uses linkerd to route HTTP traffic and linkerd-tcp to route Redis traffic. Provides helpful configuration files and dashboards for all components.

Mesos + Marathon

• mesos-marathon/

Demonstrates running linkerd and a sample hello world app on Mesos and Marathon, without DC/OS.

Perf baseline

• perf-baseline/

Demonstrates baseline performance metrics for the Linkerd2 Proxy.

Plugins

• plugins/

Contains sample code for building linkerd plugins. More information:

• In Depth: Plugins

Testing

docker run -v `pwd`:/root/linkerd-examples --entrypoint=/root/linkerd-examples/.circleci/ci.sh buoyantio/linkerd:1.4.6