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Last pushed: 2 years ago
Short Description
calico-node w/o felix
Full Description

Calico for containers

Calico provides a highly scalable networking solution for connecting data
center workloads (containers, VMs, or bare metal). It is based on the same
scalable IP networking principles as the internet: providing connectivity using
a pure Layer 3 approach. Calico can be deployed without encapsulation or
overlays to provide high performance at massive scales.

Read more about it on the Project Calico website.

When using Calico networking in containerized environments, each container
gets its own IP and fine grain security policy. A calico-node service runs
on each node which handles all of the necessary IP routing, installation of
policy rules, and distribution of routes across the cluster of nodes.

This repository contains:

  • The calico-node container Dockerfile and build environment. It contains
    the configuration and "glue" that pull together four separate processes to
    provide Calico networking:
    • Felix, the Calico worker process
    • BIRD, the route distribution process
      (there are separate processes for IPv4 and IPv6)
    • Confd, a templating process to auto-generate configuration for BIRD
  • A command line tool, calicoctl, which makes it easy to configure
    and start the Calico service listed above, and allows you to interact with
    the datastore (etcd) to define and apply rich security policy to the
    containers you create.
  • Documentation and getting started tutorials for various different deployment
  • Build, test and release frameworks.

Development is very active at the moment so please Star this project and check
back often.

We welcome questions/comments/feedback (and pull requests).

Getting started

To get started using Calico, we recommend running through one or more of the
available tutorials linked below.

These tutorials will help you understand the different environment options when
using Calico. In most cases we provide worked examples using manual setup on
your own servers, a quick set-up in a virtualized environment using Vagrant and
a number of cloud services.

Further reading

You can read more about Calico networking in a containerized environment in
the material listed below.

  • Learn how to configure Calico features in a deployment
    • calicoctl Reference Guide explains how the
      calicoctl command line tool can be used to manage your Calico cluster
    • Logging describes how to set logging
      levels and choose where Calico logs should be stored
    • Advanced Network Policy describes how
      to configure security policy between Calico endpoints and other networks
    • BGP Configuration explains how to manage the BGP peering
      for integration of a Calico cluster in your network
    • External Connectivity describes how to
      configure external connectivity for hosts on their own Layer 2 segment
    • Running Calico Node Containers as Services
      describes how to run the calico/node and calico/node-libnetwork images
      as system processes or services. This guide includes example config for
      systemd services.
  • Learn how Calico works under the covers
  • Learn how to get involved with Calico builds and lower level integrations
  • FAQ and Troubleshooting

If you are interested in contributing, please review our contributing guidelines.

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