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Deploy a Production Ready Kubernetes Cluster
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Bogdan Dobrelya dff78f616e Allow pre-downloaded images to be used effectively 
According to http://kubernetes.io/docs/user-guide/images/ :
By default, the kubelet will try to pull each image from the
specified registry. However, if the imagePullPolicy property
of the container is set to IfNotPresent or Never, then a local\
image is used (preferentially or exclusively, respectively).

Use IfNotPresent value to allow images prepared by the download
role dependencies to be effectively used by kubelet without pull
errors resulting apps to stay blocked in PullBackOff/Error state
even when there are images on the localhost exist.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
 		2016-11-22 16:16:04 +01:00
contrib/terraform Add download localhost and enable for CI 2016-11-18 16:00:07 +01:00
docs Merge pull request #621 from xenolog/calico_network_backend 2016-11-22 14:55:47 +01:00
inventory Allow pre-downloaded images to be used effectively 2016-11-22 16:16:04 +01:00
roles Allow pre-downloaded images to be used effectively 2016-11-22 16:16:04 +01:00
scripts Download images as dependencies of roles 2016-11-22 11:13:57 +01:00
tests Merge pull request #635 from kubernetes-incubator/download_images 2016-11-22 14:53:12 +01:00
.gitignore Added IntelliJ IDEA Project folder to .gitignore 2016-09-14 10:34:47 +01:00
.gitmodules Remove submodules 2016-03-04 16:14:01 +01:00
.travis.yml Merge pull request #629 from kubernetes-incubator/fix-download-once 2016-11-21 10:55:54 +01:00
CONTRIBUTING.md files needed to move kargo to k8s 2016-08-16 14:01:03 +02:00
LICENSE Create LICENSE 2016-03-01 15:37:01 +01:00
OWNERS adds ability to have hosts with no floating ips on terraform/openstack (+8 squashed commits) 2016-11-07 10:53:13 +00:00
README.md upgrade k8s version to 1.4.6 2016-11-14 21:40:05 +01:00
RELEASE.md files needed to move kargo to k8s 2016-08-16 14:01:03 +02:00
Vagrantfile adds ability to have hosts with no floating ips on terraform/openstack (+8 squashed commits) 2016-11-07 10:53:13 +00:00
ansible.cfg Enable smart facts cache for CI jobs 2016-10-25 12:23:49 +02:00
cluster.yml Adding support for canal network plugin 2016-11-08 11:04:01 +01:00
code-of-conduct.md files needed to move kargo to k8s 2016-08-16 14:01:03 +02:00
requirements.txt Add native Vagrant support 2016-05-08 10:17:11 -05:00
requirements.yml upgrade calico v0.19.0, calico-cni v1.2.1 2016-04-19 18:28:45 +02:00
ubuntu-bootstrap.yml Added bootstrap script for Ubuntu 16.04 LTS and later 2016-09-07 20:13:05 +02:00
uploads.yml Upload files to a separate storage 2016-03-04 17:39:02 +01:00

README.md

Kubespray Logo

##Deploy a production ready kubernetes cluster

If you have questions, you can invite yourself to chat with us on Slack! SlackStatus

  • Can be deployed on AWS, GCE, OpenStack or Baremetal
  • High available cluster
  • Composable (Choice of the network plugin for instance)
  • Support most popular Linux distributions
  • Continuous integration tests

To deploy the cluster you can use :

kargo-cli (deprecated, a newer go version soon)
Ansible usual commands
vagrant by simply running vagrant up (for tests purposes)

Supported Linux distributions

  • CoreOS
  • Debian Wheezy, Jessie
  • Ubuntu 14.10, 15.04, 15.10, 16.04
  • Fedora 23
  • CentOS/RHEL 7

Versions

kubernetes v1.4.6
etcd v3.0.6
flanneld v0.6.2
calicoctl v0.22.0
weave v1.6.1
docker v1.10.3

Requirements

  • The target servers must have access to the Internet in order to pull docker images.
  • The firewalls are not managed, you'll need to implement your own rules the way you used to. in order to avoid any issue during deployment you should disable your firewall
  • Copy your ssh keys to all the servers part of your inventory.
  • Ansible v2.x and python-netaddr

Network plugins

You can choose between 3 network plugins. (default: flannel with vxlan backend)

  • flannel: gre/vxlan (layer 2) networking.

  • calico: bgp (layer 3) networking.

  • weave: Weave is a lightweight container overlay network that doesn't require an external K/V database cluster.
    (Please refer to weave troubleshooting documentation)

The choice is defined with the variable kube_network_plugin

CI Tests

Build Status

Google Compute Engine

          | Calico        | Flannel       | Weave         |

------------- | ------------- | ------------- | ------------- | Ubuntu Xenial |Build Status|Build Status|Build Status| CentOS 7 |Build Status|Build Status|Build Status| CoreOS (stable) |Build Status|Build Status|Build Status|

CI tests sponsored by Google (GCE), and teuto.net for OpenStack.