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- Renaming templates for netchecker - Add dnsPolicy: ClusterFirstWithHostNet to kube-proxy Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com> |
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Deploy a production ready kubernetes cluster
If you have questions, join us on the kubernetes slack, channel #kargo.
- Can be deployed on AWS, GCE, Azure, 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
Ansible usual commands and inventory builder
vagrant by simply running vagrant up (for tests purposes)
- Requirements
- Kargo vs ...
- Getting started
- Ansible inventory and tags
- Deployment data variables
- DNS stack
- HA mode
- Network plugins
- Vagrant install
- CoreOS bootstrap
- Downloaded artifacts
- Cloud providers
- OpenStack
- AWS
- Azure
- Large deployments
- Upgrades basics
- Roadmap
Supported Linux distributions
- Container Linux by CoreOS
- Debian Jessie
- Ubuntu 16.04
- CentOS/RHEL 7
Note: Upstart/SysV init based OS types are not supported.
Versions of supported components
kubernetes v1.5.1
etcd v3.0.6
flanneld v0.6.2
calicoctl v0.23.0
canal (given calico/flannel versions)
weave v1.8.2
docker v1.12.5
rkt v1.21.0
Note: rkt support as docker alternative is limited to control plane (etcd and kubelet). Docker is still used for Kubernetes cluster workloads and network plugins' related OS services. Also note, only one of the supported network plugins can be deployed for a given single cluster.
Requirements
- Ansible v2.2 (or newer) and python-netaddr is installed on the machine that will run Ansible commands
- Jinja 2.8 (or newer) is required to run the Ansible Playbooks
- The target servers must have access to the Internet in order to pull docker images.
- The target servers are configured to allow IPv4 forwarding.
- Your ssh key must be copied to all the servers part of your inventory.
- 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.
Network plugins
You can choose between 4 network plugins. (default: calico)
-
flannel: gre/vxlan (layer 2) networking.
-
calico: bgp (layer 3) networking.
-
canal: a composition of calico and flannel plugins.
-
weave: Weave is a lightweight container overlay network that doesn't require an external K/V database cluster.
(Please refer toweavetroubleshooting documentation).
The choice is defined with the variable kube_network_plugin. There is also an
option to leverage built-in cloud provider networking instead.
See also Network checker.
Community docs and resources
- kubernetes.io/docs/getting-started-guides/kargo/
- kargo, monitoring and logging by @gregbkr
- Deploy Kubernetes w/ Ansible & Terraform by @rsmitty
- Deploy a Kubernets Cluster with Kargo (video)
Tools and projects on top of Kargo
CI Tests
CI/end-to-end tests sponsored by Google (GCE), DigitalOcean, teuto.net (openstack). See the test matrix for details.