Installing kubernetes on-premise with kubespray

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紀錄使用 kubespray 安裝 kubernetes

可以參考官方提供的比較

Clone Kubespray

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git clone https://github.com/kubernetes-sigs/kubespray.git

you can checkout by tag name

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git checkout v2.14.1

or checkout release branch

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git checkout release-2.14

Install dependencies

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sudo pip3 install -r requirements.txt

Building your own inventory

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CLUSTER_NAME=mycluster

# copy sample inventory to your cluster
cp -rfp inventory/sample inventory/${CLUSTER_NAME}

# declare your node ips
declare -a IPS=(10.10.1.3 10.10.1.4 10.10.1.5)

# build your inventory
CONFIG_FILE=inventory/${CLUSTER_NAME}/hosts.yml python3 contrib/inventory_builder/inventory.py ${IPS[@]}

你可以在 inventory/${CLUSTER_NAME}/hosts.yml 看到你的 inventory

Configure your cluster

你可以配置你的 cluster 在 inventory/${CLUSTER_NAME}/group_vars 裡，詳細內容可以參考

Starting custom deployment

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ansible-playbook -i inventory/${CLUSTER_NAME}/hosts.yml cluster.yml -b --private-key=~/.ssh/private_key

Adding nodes

  • Add the new work nodes to your inventory
  • Run the ansible-playbook command with scale.yml
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ansible-playbook -i inventory/${CLUSTER_NAME}/hosts.yml scale.yml -b --private-key=~/.ssh/private_key

Remove nodes

Use --extra-vars "node=node1,node2"

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ansible-playbook -i inventory/${CLUSTER_NAME}/hosts.yml remove-node.yml -b \
  --extra-vars "node=node1,node2" \
  --private-key=~/.ssh/private_key