安装新node后推送所有镜像，防止某些镜像不存在 #650
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很有用的一个fix；感谢PR |
gjmzj
reviewed
Jul 26, 2019
tools/02.addnode.yml
Outdated
| @@ -13,3 +13,14 @@ | |||
| - { role: flannel, when: "CLUSTER_NETWORK == 'flannel'" } | |||
| - { role: kube-router, when: "CLUSTER_NETWORK == 'kube-router'" } | |||
| - { role: kube-ovn, when: "CLUSTER_NETWORK == 'kube-ovn'" } | |||
| post_tasks: | |||
| - name: 推送所有离线镜像包 | |||
| copy: src={{ base_dir }}/down/ dest=/opt/kube/images/ | |||
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这里把 down目录下都复制过去，东西太多了，里面还有离线系统包 packages，会导致执行时间长；
建议只复制需要的tar包即可：coredns*.tar dashboard*.tar heapster*.tar metrics*.tar traefik*.tar，参考如下
- name: create images directory
file: dest=/opt/kube/images state=directory
- name: copy offline images
copy: src={{ item }} dest=/opt/kube/images/
with_fileglob:
- "{{ base_dir }}/down/coredns*.tar"
- "{{ base_dir }}/down/dashboard*.tar"
- "{{ base_dir }}/down/heapster*.tar"
- "{{ base_dir }}/down/metrics*.tar"
- "{{ base_dir }}/down/traefik*.tar"
ignore_errors: true
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这样改的确传输文件的大小和执行时间都能少很多
gjmzj
reviewed
Jul 26, 2019
tools/02.addnode.yml
Outdated
| @@ -13,3 +13,14 @@ | |||
| - { role: flannel, when: "CLUSTER_NETWORK == 'flannel'" } | |||
| - { role: kube-router, when: "CLUSTER_NETWORK == 'kube-router'" } | |||
| - { role: kube-ovn, when: "CLUSTER_NETWORK == 'kube-ovn'" } | |||
| post_tasks: | |||
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post_tasks 建议改成 tasks
post_tasks: 不管前面部分成功或者失败，都会被执行，这应该不是我们想要的
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为了防止addone中推送的镜像在新的node中不存在，从而导致pod无法启动，推送所有镜像