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fix remove node (#6666)

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Samuel Liu 2020-09-17 17:45:05 +08:00 committed by GitHub
parent a870dd368e
commit a9e11623cd
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3 changed files with 10 additions and 10 deletions
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4
docs/getting-started.md
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@ -69,9 +69,9 @@ ansible-playbook -i inventory/mycluster/hosts.yml remove-node.yml -b -v \
--extra-vars "node=nodename,nodename2" --extra-vars "node=nodename,nodename2"
``` ```
If a node is completely unreachable by ssh, add `--extra-vars reset_nodes=no` If a node is completely unreachable by ssh, add `--extra-vars reset_nodes=false`
to skip the node reset step. If one node is unavailable, but others you wish to skip the node reset step. If one node is unavailable, but others you wish
to remove are able to connect via SSH, you could set reset_nodes=no as a host to remove are able to connect via SSH, you could set `reset_nodes=false` as a host
var in inventory. var in inventory.
## Connecting to Kubernetes ## Connecting to Kubernetes

2
docs/nodes.md
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@ -70,7 +70,7 @@ Before using `--limit` run playbook `facts.yml` without the limit to refresh fac
With the old node still in the inventory, run `remove-node.yml`. You need to pass `-e node=NODE_NAME` to the playbook to limit the execution to the node being removed. With the old node still in the inventory, run `remove-node.yml`. You need to pass `-e node=NODE_NAME` to the playbook to limit the execution to the node being removed.
If the node you want to remove is not online, you should add `reset_nodes=false` to your extra-vars: `-e node=NODE_NAME reset_nodes=false`. If the node you want to remove is not online, you should add `reset_nodes=false` to your extra-vars: `-e node=NODE_NAME -e reset_nodes=false`.
Use this flag even when you remove other types of nodes like a master or etcd nodes. Use this flag even when you remove other types of nodes like a master or etcd nodes.
### 5) Remove the node from the inventory ### 5) Remove the node from the inventory

14
remove-node.yml
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@ -31,7 +31,7 @@
msg: "Delete nodes confirmation failed" msg: "Delete nodes confirmation failed"
when: delete_nodes_confirmation != "yes" when: delete_nodes_confirmation != "yes"
- hosts: kube-master - hosts: kube-master[0]
gather_facts: no gather_facts: no
roles: roles:
- { role: kubespray-defaults } - { role: kubespray-defaults }
@ -41,15 +41,15 @@
- hosts: "{{ node | default('kube-node') }}" - hosts: "{{ node | default('kube-node') }}"
gather_facts: no gather_facts: no
roles: roles:
- { role: kubespray-defaults } - { role: kubespray-defaults, when: reset_nodes|default(True)|bool }
- { role: bootstrap-os, tags: bootstrap-os } - { role: bootstrap-os, tags: bootstrap-os, when: reset_nodes|default(True)|bool }
- { role: remove-node/remove-etcd-node} - { role: remove-node/remove-etcd-node }
- { role: reset, tags: reset, when: reset_nodes|default(True) } - { role: reset, tags: reset, when: reset_nodes|default(True)|bool }
# Currently cannot remove first master or etcd # Currently cannot remove first master or etcd
- hosts: "{{ node | default('kube-master[1:]:etcd[1:]') }}" - hosts: "{{ node | default('kube-master[1:]:etcd[1:]') }}"
gather_facts: no gather_facts: no
roles: roles:
- { role: kubespray-defaults } - { role: kubespray-defaults, when: reset_nodes|default(True)|bool }
- { role: bootstrap-os, tags: bootstrap-os} - { role: bootstrap-os, tags: bootstrap-os, when: reset_nodes|default(True)|bool }
- { role: remove-node/post-remove, tags: post-remove } - { role: remove-node/post-remove, tags: post-remove }