This repo is for the 1.x version of Linkerd. Feature development is now happening in thelinkerd2repo. This repo is currently only used for periodic maintenance releases of Linkerd 1.x.

Linkerd 1.x (pronounced "linker-DEE" ) acts as a transparent HTTP/gRPC/thrift/etc proxy, and can usually be dropped into existing applications with a minimum of configuration, regardless of what language they're written in. It works with many common protocols and service discovery backends, including scheduled environments like Nomad, Mesos and Kubernetes.

Linkerd is built on top ofNettyandFinagle,a production-tested RPC framework used by high-traffic companies like Twitter, Pinterest, Tumblr, PagerDuty, and others.

Linkerd is hosted by the Cloud Native Computing Foundation (CNCF).

Want to try it?

We distribute binaries which you can download from theLinkerd releases page.We also publish Docker images for each release, which you can find onDocker Hub.

For instructions on how to configure and run Linkerd, see the1.x user documentation on linkerd.io.

Working in this repo

BUILD.mdincludes general information on how to work in this repo. Additionally, there are documents on how to build several of the application subprojects:

• linkerd-- produceslinkerdrouter artifacts
• namerd-- producesnamerdservice discovery artifacts
• grpc-- produces theprotoc-gen-io.buoyant.grpccode generator

We ❤️ pull requests! SeeCONTRIBUTING.mdfor info on contributing changes.

Related Repos

• linkerd2:The main repo for Linkerd 2.x and where current development is happening.
• linkerd-examples:A variety of configuration examples and explanations
• linkerd-tcp:A lightweight TCP/TLS load balancer that uses Namerd
• linkerd-viz:Zero-configuration service dashboard for Linkerd
• linkerd-zipkin:Zipkintracing plugins
• namerctl:A commandline utility for controlling Namerd

Code of Conduct

This project is for everyone. We ask that our users and contributors take a few minutes to review ourcode of conduct.

License

Copyright 2018, Linkerd Authors. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License" ); you may not use these files except in compliance with the License. You may obtain a copy of the License at

http:// apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.