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Ansible: Updating README

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Jeff Bean 2015-07-06 17:34:38 -07:00 committed by Eric Paris
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contrib/ansible/README.md
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# Kubernetes Ansible # Kubernetes Ansible
This playbook helps you to set up a Kubernetes cluster on machines where you This playbook and set of roles set up a Kubernetes cluster onto machines. They
can't or don't want to use the salt scripts and cluster up/down tools. They can be real hardware, VMs, things in a public cloud, etc. Anything that you can connect to via SSH.
can be real hardware, VMs, things in a public cloud, etc.
## Before starting ## Before starting
@ -11,45 +10,50 @@ can be real hardware, VMs, things in a public cloud, etc.
* Record the IP addresses/hostname of the machines you want to be your nodes. (the master can also be a node) * Record the IP addresses/hostname of the machines you want to be your nodes. (the master can also be a node)
* Make sure your ansible running machine has ansible 1.9 and python-netaddr installed. * Make sure your ansible running machine has ansible 1.9 and python-netaddr installed.
### Configure the inventory file ## Setup
Stick the system information gathered above into the 'inventory' file. ### Configure inventory
### Configure your cluster Add the system information gathered above into the 'inventory' file, or create a new inventory file for the cluster.
You will want to look though all of the options in `group_vars/all.yml` and ### Configure Cluster options
set the variables to reflect your needs. The options should be described there
Look though all of the options in `group_vars/all.yml` and
set the variables to reflect your needs. The options are described there
in full detail. in full detail.
### Set up the actual kubernetes cluster ## Running the playbook
Now run the setup: After going through the setup, run the setup script provided:
`$ ./setup.sh` `$ ./setup.sh`
In generel this will work on very recent Fedora, rawhide or F21. Future work to You may override the inventory file by doing:
support RHEL7, CentOS, and possible other distros should be forthcoming.
### You can just set up certain parts instead of doing it all
Only etcd:
`$ ./setup.sh --tags=etcd`
Only the kubernetes master:
`$ ./setup.sh --tags=masters`
Only the kubernetes nodes:
`$ ./setup.sh --tags=nodes`
### You may overwrite the inventory file by doing
`INVENTORY=myinventory ./setup.sh` `INVENTORY=myinventory ./setup.sh`
Only flannel:
$ ./setup.sh --tags=flannel In general this will work on very recent Fedora, rawhide or F21. Future work to
support RHEL7, CentOS, and possible other distros should be forthcoming.
### Targeted runs
You can just setup certain parts instead of doing it all.
#### etcd
`$ ./setup.sh --tags=etcd`
#### Kubernetes master
`$ ./setup.sh --tags=masters`
#### kubernetes nodes
`$ ./setup.sh --tags=nodes`
### flannel
`$ ./setup.sh --tags=flannel`
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