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部署k8s集群+ceph存储出现依赖性缺失的故障案例（最小化系统）
source link: https://blog.51cto.com/u_15380854/5433923
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部署k8s集群+ceph存储出现依赖性缺失的故障案例（最小化系统）
原创环境：最小化安装的系统（以redhat系为例）
日志报障1：
[INFO] - fatal: [master01]: FAILED! => {"changed": false, "failures": [],
"msg":"Depsolve Error occured: \n Problem: package kubeadm-1.21.8-0.x86_64 requires kubelet >= 1.19.0,
but none of the providers can be installed\n- conflicting requests\n
-nothing provides socat needed by kubelet-1.21.8-0.x86_64", "rc": 1, "results": []}
原因：缺少kubeadm的依赖包
解决办法：使用系统自带的yum源+K8S腾讯源进行依赖包的rpm下载（如果部署的机器可以直接连接外网那就直接安装就行）
附：k8s腾讯源
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.cloud.tencent.com/kubernetes/yum/repos/kubernetes-el7-aarch64/
enabled=1
gpgcheck=0
#repo_gpgcheck=1
##gpgkey=https://mirrors.cloud.tencent.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.cloud.tencent.com/kubernetes/yum/doc/rpm-package-key.gpg
随后通过yum这边下载对应的软件即可
yum install -y 下载的软件 --downloadonly --downloaddir=/opt #会一起把依赖包都下载下来
日志报障2：
2022-06-29 15:44:35 [INFO] - fatal: [master01]:
FAILED! => {"changed": false, "failures": [], "msg":
"Depsolve Error occured: \n Problem: package kubeadm-1.21.8-0.x86_64 requires kubelet
>= 1.19.0, but none of the providers can be installed\n
- package kubelet-1.21.8-0.x86_64 requires socat,
- but none of the providers can be installed\n - conflicting requests\n
- - nothing provides libwrap.so.0()(64bit) needed by socat-1.7.3.2-2.el7.x86_64", "rc": 1, "results": []}
原因1：kubeadm完成依赖问题后缺少依赖包的依赖：socat
原因2：kubeadm完成依赖问题后socat缺少依赖包的依赖：libwrap.so.0()(64bit)
解决：首先，libwrap.so.0这些是属于openssl这块方面的。socat这块完全可以通过系统自带的Yum源配置下载rpm包，或者可以再添加一个epel源来进行大范围的搜索。（如果部署的机器可以直接连接外网那就直接安装就行）
yum install -y epel-release
yum clean all && yum makecache
随后通过yum这边下载对应的openssl以及socat即可
yum install -y 下载的软件 --downloadonly --downloaddir=/opt #会一起把依赖包都下载下来
日志报障3：
[INFO] - fatal: [master01]: FAILED! =>
{"changed": false, "failures": [], "msg":
"Depsolve Error occured: \n Problem: package
cephmount-1.0.0-1.x86_64 requires
libcrypto.so.10()(64bit), but none of
the providers can be installed\n
- package cephmount-1.0.0-1.x86_64
- requires libcrypto.so.10(libcrypto.so.10)(64bit),
- but none of the providers can be installed\n
- - cannot install both openssl-libs-1:1.1.1m-5.oe2203.x86_64
- and openssl-libs-1:1.0.2k-19.el7.x86_64\n
- - cannot install both openssl-libs-1:1.1.1m-5.oe2203.x86_64
- and openssl-libs-1:1.0.2k-25.el7_9.x86_64\n
- - package unbound-libs-1.13.2-3.oe2203.x86_64 requires
- libcrypto.so.1.1()(64bit), but none of the providers can be installed\n - package unbound-libs-1.13.2-3.oe2203.x86_64 requires libcrypto.so.1.1(OPENSSL_1_1_0)(64bit),
- but none of the providers can be installed\n
- - package unbound-libs-1.13.2-3.oe2203.x86_64
- requires libssl.so.1.1()(64bit),
- but none of the providers can be installed\n
- - package unbound-libs-1.13.2-3.oe2203.x86_64 requires libssl.so.1.1(OPENSSL_1_1_0)(64bit),
- but none of the providers can be installed\n
- - package unbound-libs-1.13.2-3.oe2203.x86_64 requires libcrypto.so.1.1(OPENSSL_1_1_1)(64bit),
- but none of the providers can be installed\n
- - cannot install both
- openssl-libs-1:1.0.2k-19.el7.x86_64 and openssl-libs-1:1.1.1m-1.oe2203.x86_64\n - cannot install both openssl-libs-1:1.0.2k-25.el7_9.x86_64
- and openssl-libs-1:1.1.1m-1.oe2203.x86_64\n
- - conflicting requests\n
- - problem with installed package
- unbound-libs-1.13.2-3.oe2203.x86_64", "rc": 1, "results": []}
原因：在安装ceph的时候（这里是自己打包好的镜像包），cephmount版本过低，需求低版本的openssl。而我这里的最小化系统（最新版）自带高版本的openssl，如果想安装低版本的openssl。则会出现高低版本的openssl相互冲突。而在实际环境中，系统自带的高版本的openssl一般不可以随意降级
解决：寻找相关人员重新打包ceph的安装包（新版）或者去自己对应版本的yum仓库下载最新的ceph然后安装完成即可（如果部署的机器可以直接连接外网那就直接安装就行）
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