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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"
```
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 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.
## 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.
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.
### 5) Remove the node from the inventory

14
remove-node.yml
View file

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