kubeasz/roles/kube-node/tasks/main.yml

131 lines
4.9 KiB
YAML

##----------kubelet 配置部分--------------
- name: 下载 kubelet和kube-proxy 二进制
copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
with_items:
- kubelet
- kube-proxy
# kubelet 启动时向 kube-apiserver 发送 TLS bootstrapping 请求,需要绑定该角色
# 只需单节点执行一次,重复执行的报错可以忽略
# 增加15s等待kube-apiserver正常工作
- name: kubelet-bootstrap-setting
shell: "sleep 15 && {{ bin_dir }}/kubectl create clusterrolebinding kubelet-bootstrap \
--clusterrole=system:node-bootstrapper --user=kubelet-bootstrap"
when: NODE_ID is defined and NODE_ID == "node1"
ignore_errors: true
#创建bootstrap.kubeconfig配置文件
- name: 设置集群参数
shell: "{{ bin_dir }}/kubectl config set-cluster kubernetes \
--certificate-authority={{ ca_dir }}/ca.pem \
--embed-certs=true \
--server={{ KUBE_APISERVER }} \
--kubeconfig=bootstrap.kubeconfig"
- name: 设置客户端认证参数
shell: "{{ bin_dir }}/kubectl config set-credentials kubelet-bootstrap \
--token={{ BOOTSTRAP_TOKEN }} \
--kubeconfig=bootstrap.kubeconfig"
- name: 设置上下文参数
shell: "{{ bin_dir }}/kubectl config set-context default \
--cluster=kubernetes \
--user=kubelet-bootstrap \
--kubeconfig=bootstrap.kubeconfig"
- name: 选择默认上下文
shell: "{{ bin_dir }}/kubectl config use-context default --kubeconfig=bootstrap.kubeconfig"
- name: 安装bootstrap.kubeconfig配置文件
shell: "mv $HOME/bootstrap.kubeconfig /etc/kubernetes/bootstrap.kubeconfig"
- name: 创建kubelet的工作目录
file: name=/var/lib/kubelet state=directory
- name: 创建kubelet的systemd unit文件
template: src=kubelet.service.j2 dest=/etc/systemd/system/kubelet.service
- name: daemon-reload
shell: systemctl daemon-reload
- name: enable-kubelet
shell: systemctl enable kubelet
- name: start-kubelet
shell: systemctl restart kubelet
- name: approve-kubelet-csr
shell: "sleep 15 && {{ bin_dir }}/kubectl get csr|grep 'Pending' | awk 'NR>0{print $1}'| xargs {{ bin_dir }}/kubectl certificate approve"
when: NODE_ID is defined and NODE_ID == "node1"
ignore_errors: true
##-------kube-proxy部分----------------
- name: 准备kube-proxy 证书签名请求
template: src=kube-proxy-csr.json.j2 dest={{ ca_dir }}/kube-proxy-csr.json
- name: 创建 kube-proxy证书与私钥
shell: "cd {{ ca_dir }} && {{ bin_dir }}/cfssl gencert \
-ca={{ ca_dir }}/ca.pem \
-ca-key={{ ca_dir }}/ca-key.pem \
-config={{ ca_dir }}/ca-config.json \
-profile=kubernetes kube-proxy-csr.json | {{ bin_dir }}/cfssljson -bare kube-proxy"
#创建kube-proxy.kubeconfig配置文件
- name: 设置集群参数
shell: "{{ bin_dir }}/kubectl config set-cluster kubernetes \
--certificate-authority={{ ca_dir }}/ca.pem \
--embed-certs=true \
--server={{ KUBE_APISERVER }} \
--kubeconfig=kube-proxy.kubeconfig"
- name: 设置客户端认证参数
shell: "{{ bin_dir }}/kubectl config set-credentials kube-proxy \
--client-certificate={{ ca_dir }}/kube-proxy.pem \
--client-key={{ ca_dir }}/kube-proxy-key.pem \
--embed-certs=true \
--kubeconfig=kube-proxy.kubeconfig"
- name: 设置上下文参数
shell: "{{ bin_dir }}/kubectl config set-context default \
--cluster=kubernetes \
--user=kube-proxy \
--kubeconfig=kube-proxy.kubeconfig"
- name: 选择默认上下文
shell: "{{ bin_dir }}/kubectl config use-context default --kubeconfig=kube-proxy.kubeconfig"
- name: 安装kube-proxy.kubeconfig配置文件
shell: "mv $HOME/kube-proxy.kubeconfig /etc/kubernetes/kube-proxy.kubeconfig"
- name: 创建kube-proxy的工作目录
file: name=/var/lib/kube-proxy state=directory
- name: 创建kube-proxy的systemd unit文件
template: src=kube-proxy.service.j2 dest=/etc/systemd/system/kube-proxy.service
- name: daemon-reload
shell: systemctl daemon-reload
- name: enable-kube-proxy
shell: systemctl enable kube-proxy
- name: start-kube-proxy
shell: systemctl restart kube-proxy
##-------calico-kube-controllers部分----------------
#
- name: 创建calico-kube-controllers目录
tags: calico-controller
file: name=/root/local/kube-system/calico state=directory
- name: 准备RBAC 配置文件
tags: calico-controller
copy: src=rbac.yaml dest=/root/local/kube-system/calico/rbac.yaml
- name: 准备calico-kube-controllers.yaml 文件
tags: calico-controller
template: src=calico-kube-controllers.yaml.j2 dest=/root/local/kube-system/calico/calico-kube-controllers.yaml
# 只需单节点执行一次,重复执行的报错可以忽略
# 增加15s等待node ready
- name: 运行calico-kube-controllers
tags: calico-controller
shell: "sleep 15 && {{ bin_dir }}/kubectl create -f /root/local/kube-system/calico/rbac.yaml && \
{{ bin_dir }}/kubectl create -f /root/local/kube-system/calico/calico-kube-controllers.yaml"
when: NODE_ID is defined and NODE_ID == "node1"
ignore_errors: true