2020-03-04 10:47:40 +01:00
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# Build a Kubernetes cluster using k3s via Ansible
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2019-04-26 21:10:27 +02:00
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2020-03-04 10:47:40 +01:00
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Author: <https://github.com/itwars>
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2019-05-18 19:58:25 +02:00
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2019-04-26 21:10:27 +02:00
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## K3s Ansible Playbook
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Build a Kubernetes cluster using Ansible with k3s. The goal is easily install a Kubernetes cluster on machines running:
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2020-03-04 10:47:40 +01:00
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- [X] Debian
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2020-05-22 18:01:03 +02:00
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- [X] Ubuntu
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2020-03-04 10:47:40 +01:00
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- [X] CentOS
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2019-04-26 21:10:27 +02:00
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on processor architecture:
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- [X] x64
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- [X] arm64
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- [X] armhf
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2020-03-04 10:47:40 +01:00
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## System requirements
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2019-04-26 21:10:27 +02:00
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Deployment environment must have Ansible 2.4.0+
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Master and nodes must have passwordless SSH access
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## Usage
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2020-06-06 11:05:37 +02:00
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First create a new directory based on the `sample` directory within the `inventory` directory:
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2020-06-06 10:52:12 +02:00
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```bash
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cp -R inventory/sample inventory/my-cluster
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```
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2020-06-06 11:05:37 +02:00
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Second, edit `inventory/my-cluster/hosts.ini` to match the system information gathered above. For example:
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2019-04-26 21:10:27 +02:00
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2020-03-04 10:47:40 +01:00
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```bash
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2019-04-26 21:10:27 +02:00
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[master]
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192.16.35.12
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[node]
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192.16.35.[10:11]
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2020-05-12 22:21:00 +02:00
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[k3s_cluster:children]
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2019-04-26 21:10:27 +02:00
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master
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node
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```
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2020-06-06 10:52:12 +02:00
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If needed, you can also edit `inventory/my-cluster/group_vars/all.yml` to match your environment.
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2019-04-26 21:10:27 +02:00
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Start provisioning of the cluster using the following command:
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2020-03-04 10:47:40 +01:00
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```bash
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2020-06-06 10:52:12 +02:00
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ansible-playbook site.yml -i inventory/my-cluster/hosts.ini
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2019-04-26 21:10:27 +02:00
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```
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2019-05-18 19:58:25 +02:00
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## Kubeconfig
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2020-03-04 10:47:40 +01:00
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To get access to your **Kubernetes** cluster just
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```bash
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2020-05-12 23:41:24 +02:00
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scp debian@master_ip:~/.kube/config ~/.kube/config
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2020-03-04 10:47:40 +01:00
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```
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