暗能星系

zhanglu

2. Worker节点

增加worker节点

# 刷新缓存
$ ansible-playbook -i inventory/mycluster/hosts.yaml facts.yml -b -v
# 修改配置hosts.yaml，增加节点
$ vi inventory/mycluster/hosts.yaml
# 执行scale添加节点，--limit限制只在某个固定节点执行
$ ansible-playbook -i inventory/mycluster/hosts.yaml scale.yml --limit=NODE-NAME -b -v

zhanglu

Unable to get valid context for root
Activate the web console with: systemctl enable --now cockpit.socket

zhanglu

Failed to download packages: Cannot download Packages/libnetfilter_cthelper-1.0.0-15.el8.x86_64.rpm: All mirrors were tried

zhanglu

fatal: [node5]: FAILED! => {"attempts": 4, "changed": false, "msg": "Failed to download packages: Cannot download Packages/ipvsadm-1.31-1.el8.x86_64.rpm: All mirrors were tried", "results": []}

zhanglu

https://repo.almalinux.org/almalinux/8/BaseOS/x86_64/os/Packages/libnetfilter_cthelper-1.0.0-15.el8.x86_64.rpm

zhanglu

https://almalinux.pkgs.org/8/almalinux-baseos-aarch64/libnetfilter_cthelper-1.0.0-15.el8.aarch64.rpm.html

zhanglu

https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/ipvsadm-1.31-1.el8.x86_64.rpm

zhanglu

libnetfilter_queue-1.0.4-3.el8.x86_64.rpm

zhanglu

https://repo.almalinux.org/almalinux/8/BaseOS/x86_64/os/Packages/libnetfilter_queue-1.0.4-3.el8.x86_64.rpm

zhanglu

libnetfilter_cttimeout-1.0.0-11.el8.x86_64.rpm

zhanglu

https://repo.almalinux.org/almalinux/8/BaseOS/x86_64/os/Packages/libnetfilter_cttimeout-1.0.0-11.el8.x86_64.rpm

zhanglu

socat-1.7.4.1-1.el8.x86_64.rpm

zhanglu

cd /etc/yum.repos.d/
创建新文件夹并将源文件备份为repo.bak
mkdir backup && mv repo backup/
下载国内yum源文件
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-8.repo
更新下载yum源地址
sed -i -e"s|mirrors.cloud.aliyuncs.com|mirrors.aliyun.com|g " /etc/yum.repos.d/CentOS-
sed -i -e "s|releasever|releasever-stream|g" /etc/yum.repos.d/CentOS-*
生成缓存
yum clean all && yum makecache

zhanglu

rrors during downloading metadata for repository 'appstream':

Curl error (60): Peer certificate cannot be authenticated with given CA certificates for https://vault.centos.org/centos/8-stream/AppStream/x86_64/os/repodata/repomd.xml [SSL certificate problem: certificate has expired]
Error: Failed to download metadata for repo 'appstream': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried

zhanglu

name': 'containerd.io-1.3.9-3.1.el8', 'repo': 'docker-ce'}) => {"ansible_loop_var": "item", "attempts": 4, "changed": false, "item": {"name": "containerd.io-1.3.9-3.1.el8", "repo": "docker-ce"}, "msg": "Failed to download metadata for repo 'docker-ce': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried", "rc": 1, "results": []}

zhanglu

yum install -y docker-ce-19.03.15-3.el8

zhanglu

yum -y install docker-ce-19.03.6-3.el8 docker-ce-cli-19.03.6-3.el8 containerd.io

zhanglu

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

yum install containerd.io-1.3.9-3.1.el8 docker-ce-cli-19.03.14-3.el8 docker-ce-19.03.14-3.el8

zhanglu

failed: [node5] (item={'name': 'containerd.io-1.3.9-3.1.el8', 'repo': 'docker-ce'}) => {"ansible_loop_var": "item", "attempts": 4, "changed": false, "item": {"name": "containerd.io-1.3.9-3.1.el8", "repo": "docker-ce"}, "msg": "Failed to download metadata for repo 'docker-ce': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried", "rc": 1, "results": []}

zhanglu

docker重启失败,重装docker和恢复服务操作：

yum remove docker*
yum install docker-ce
配置/etc/docker/daimon.json
systemctl start docker
systemctl enable docker
拉取镜像

docker pull dockerhub.genostack.com:8090/rook/cephcsi/cephcsi:v3.7.2
docker pull dockerhub.genostack.com:8090/rook/csi-node-driver-registrar:v2.5.1
docker pull dockerhub.genostack.com:8090/rook/csi-resizer:v1.6.0
docker pull dockerhub.genostack.com:8090/rook/csi-provisioner:v3.3.0
docker pull dockerhub.genostack.com:8090/rook/csi-snapshotter:v6.1.0
docker pull dockerhub.genostack.com:8090/rook/csi-attacher:v4.0.0
docker pull dockerhub.genostack.com:8090/rook/ceph/ceph:v17.2.5

docker tag dockerhub.genostack.com:8090/rook/cephcsi/cephcsi:v3.7.2 quay.io/cephcsi/cephcsi:v3.7.2
docker tag dockerhub.genostack.com:8090/rook/csi-node-driver-registrar:v2.5.1 registry.k8s.io/sig-storage/csi-node-driver-registrar:v2.5.1
docker tag dockerhub.genostack.com:8090/rook/csi-resizer:v1.6.0 registry.k8s.io/sig-storage/csi-resizer:v1.6.0
docker tag dockerhub.genostack.com:8090/rook/csi-provisioner:v3.3.0 registry.k8s.io/sig-storage/csi-provisioner:v3.3.0
docker tag dockerhub.genostack.com:8090/rook/csi-snapshotter:v6.1.0 registry.k8s.io/sig-storage/csi-snapshotter:v6.1.0
docker tag dockerhub.genostack.com:8090/rook/csi-attacher:v4.0.0 registry.k8s.io/sig-storage/csi-attacher:v4.0.0
docker tag dockerhub.genostack.com:8090/rook/ceph/ceph:v17.2.5 quay.io/ceph/ceph:v17.2.5

启动服务：
（1）检查swap内存，需要处于关闭状态，关闭命令：
swapoff -a
(2) 重启kubelet:
systemctl restart kubelet
(3) 等待集群重启，正常情况下执行docker ps,会有很多容器启动，
查看服务： kubectl get pod -n kube-system
存储服务： kubectl get pod -n rook-ceph

tmp

2. Worker节点

增加worker节点