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main.yml
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main.yml
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- name: 在 node 节点创建相关目录
file: path={{ item }} state=directory
with_items:
- /opt/kube/kube-system
# 设置 dns svc ip (这里选用 SERVICE_CIDR 中第2个IP)
- name: 注册变量 DNS_SVC_IP
shell: echo {{ SERVICE_CIDR }}|cut -d/ -f1|awk -F. '{print $1"."$2"."$3"."$4+2}'
register: DNS_SVC_IP
- name: 设置变量 CLUSTER_DNS_SVC_IP
set_fact: CLUSTER_DNS_SVC_IP={{ DNS_SVC_IP.stdout }}
# DNS文件中部分参数根据hosts文件设置而定，因此需要用template模块替换参数
- name: 准备 DNS的部署文件
template: src={{ item }}.yaml.j2 dest=/opt/kube/kube-system/{{ item }}.yaml
with_items:
- kubedns
- coredns
- name: 获取所有已经创建的POD信息
command: "{{ bin_dir }}/kubectl get pod --all-namespaces"
register: pod_info
run_once: true
- name: 获取已下载离线镜像信息
command: "ls {{ base_dir }}/down"
register: download_info
connection: local
run_once: true
- block:
- block:
- name: 尝试推送离线{{ dns_backend }}镜像（若执行失败，可忽略）
copy: src={{ base_dir }}/down/{{ dns_offline }} dest=/opt/kube/images/{{ dns_offline }}
when: 'dns_offline in download_info.stdout'
- name: 获取{{ dns_backend }}离线镜像推送情况
command: "ls /opt/kube/images"
register: image_info
- name: 导入{{ dns_backend }}的离线镜像（若执行失败，可忽略）
shell: "{{ bin_dir }}/docker load -i /opt/kube/images/{{ dns_offline }}"
when: 'dns_offline in image_info.stdout and CONTAINER_RUNTIME == "docker"'
- name: 导入{{ dns_backend }}的离线镜像（若执行失败，可忽略）
shell: "{{ bin_dir }}/ctr -n=k8s.io images import /opt/kube/images/{{ dns_offline }}"
when: 'dns_offline in image_info.stdout and CONTAINER_RUNTIME == "containerd"'
- name: 创建{{ dns_backend }}部署
shell: "{{ bin_dir }}/kubectl apply -f /opt/kube/kube-system/{{ dns_backend }}.yaml"
run_once: true
when:
- '"kube-dns" not in pod_info.stdout'
- '"coredns" not in pod_info.stdout'
- 'dns_install == "yes"'
ignore_errors: true
- block:
- block:
- name: 尝试推送离线 metrics-server镜像（若执行失败，可忽略）
copy: src={{ base_dir }}/down/{{ metricsserver_offline }} dest=/opt/kube/images/{{ metricsserver_offline }}
when: 'metricsserver_offline in download_info.stdout'
- name: 获取metrics-server离线镜像推送情况
command: "ls /opt/kube/images"
register: image_info
- name: 导入 metrics-server的离线镜像（若执行失败，可忽略）
shell: "{{ bin_dir }}/docker load -i /opt/kube/images/{{ metricsserver_offline }}"
when: 'metricsserver_offline in image_info.stdout and CONTAINER_RUNTIME == "docker"'
- name: 导入 metrics-server的离线镜像（若执行失败，可忽略）
shell: "{{ bin_dir }}/ctr -n=k8s.io images import /opt/kube/images/{{ metricsserver_offline }}"
when: 'metricsserver_offline in image_info.stdout and CONTAINER_RUNTIME == "containerd"'
- name: 创建 metrics-server部署
shell: "{{ base_dir }}/bin/kubectl apply -f {{ base_dir }}/manifests/metrics-server"
run_once: true
connection: local
when: '"metrics-server" not in pod_info.stdout and metricsserver_install == "yes"'
ignore_errors: true
# 现阶段 dashboard 获取metrics仍旧依赖于heapster，因此需连带安装heapster
- block:
- block:
- name: 尝试推送离线 dashboard heapster镜像（若执行失败，可忽略）
copy: src={{ base_dir }}/down/{{ item }} dest=/opt/kube/images/{{ item }}
when: 'item in download_info.stdout'
with_items:
- "{{ dashboard_offline }}"
- "{{ heapster_offline }}"
- name: 获取dashboard离线镜像推送情况
command: "ls /opt/kube/images"
register: image_info
- name: 导入 dashboard heapster的离线镜像（docker）
shell: "{{ bin_dir }}/docker load -i /opt/kube/images/{{ item }}"
with_items:
- "{{ dashboard_offline }}"
- "{{ heapster_offline }}"
when: "item in image_info.stdout and CONTAINER_RUNTIME == 'docker'"
- name: 导入 dashboard heapster的离线镜像（containerd）
shell: "{{ bin_dir }}/ctr -n=k8s.io images import /opt/kube/images/{{ item }}"
with_items:
- "{{ dashboard_offline }}"
- "{{ heapster_offline }}"
when: "item in image_info.stdout and CONTAINER_RUNTIME == 'containerd'"
- name: 创建 dashboard部署
shell: "{{ base_dir }}/bin/kubectl apply -f {{ base_dir }}/manifests/dashboard && \
{{ base_dir }}/bin/kubectl apply -f {{ base_dir }}/manifests/heapster/heapster-only"
run_once: true
connection: local
when: '"kubernetes-dashboard" not in pod_info.stdout and dashboard_install == "yes"'
ignore_errors: true
- import_tasks: ingress.yml
when: '"ingress-controller" not in pod_info.stdout and ingress_install == "yes"'
- block:
- block:
- name: 尝试推送离线 metallb镜像（若执行失败，可忽略）
copy: src={{ base_dir }}/down/{{ metallb_offline }} dest=/opt/kube/images/{{ metallb_offline }}
when: 'metallb_offline in download_info.stdout'
- name: 获取metallb离线镜像推送情况
command: "ls /opt/kube/images"
register: image_info
- name: 导入 metallb的离线镜像（若执行失败，可忽略）
shell: "{{ bin_dir }}/docker load -i /opt/kube/images/{{ metallb_offline }}"
when: 'metallb_offline in image_info.stdout and CONTAINER_RUNTIME == "docker"'
- name: 导入 metallb的离线镜像（若执行失败，可忽略）
shell: "{{ bin_dir }}/ctr -n=k8s.io images import /opt/kube/images/{{ metallb_offline }}"
when: 'metallb_offline in image_info.stdout and CONTAINER_RUNTIME == "containerd"'
- name: 生成 metallb 相关 manifests
template: src=metallb/{{ item }}.j2 dest=/opt/kube/kube-system/{{ item }}
with_items:
- "metallb.yaml"
- "{{ metallb_protocol }}.yaml"
- name: 创建 metallb controller 部署
shell: "{{ bin_dir }}/kubectl apply -f /opt/kube/kube-system/metallb.yaml && \
{{ bin_dir }}/kubectl apply -f /opt/kube/kube-system/{{ metallb_protocol }}.yaml"
run_once: true
when: '"metallb" not in pod_info.stdout and metallb_install == "yes"'
ignore_errors: true