Processing Conflict: docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts docker-io

[codyzhang]

I had tried to execute this scripte, but met this issue.
Could you help me to check it? ：）

[root@master1 kubeadm-ansible]# cat site.yaml 
---

- hosts: kube-cluster
  gather_facts: yes
  become: yes
  roles:
    - { role: docker, tags: docker }

- hosts: master
  gather_facts: yes
  become: yes
  roles:
    - { role: kubernetes/master, tags: master }
    - { role: cni, tags: cni }

- hosts: node
  gather_facts: yes
  become: yes
  roles:
    - { role: kubernetes/node, tags: node }


[root@master1 kubeadm-ansible]# ansible-playbook site.yaml

TASK [docker : Install docker engine (RHEL/CentOS)] **************************************************************************************************************************************************************************************************************************
Friday 14 December 2018  11:33:03 +0200 (0:00:00.550)       0:00:02.481 ******* 
fatal: [192.168.0.32]: FAILED! => {"changed": false, "msg": "\n\nTransaction check error:\n  file /usr/bin/docker from install of docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.13.1-75.git8633870.el7.centos.x86_64\n  file /usr/bin/docker-containerd from install of docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.13.1-75.git8633870.el7.centos.x86_64\n  file /usr/bin/docker-containerd-shim from install of docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.13.1-75.git8633870.el7.centos.x86_64\n  file /usr/bin/dockerd from install of docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.13.1-75.git8633870.el7.centos.x86_64\n\nError Summary\n-------------\n\n", "rc": 1, "results": ["Loaded plugins: fastestmirror, langpacks\nLoading mirror speeds from cached hostfile\n * epel: mirror.yandex.ru\nResolving Dependencies\n--> Running transaction check\n---> Package docker-engine.x86_64 0:17.03.1.ce-1.el7.centos will be installed\n--> Finished Dependency Resolution\n\nDependencies Resolved\n\n================================================================================\n Package            Arch        Version                       Repository   Size\n================================================================================\nInstalling:\n docker-engine      x86_64      17.03.1.ce-1.el7.centos       Docker       19 M\n\nTransaction Summary\n================================================================================\nInstall  1 Package\n\nTotal size: 19 M\nInstalled size: 19 M\nDownloading packages:\nRunning transaction check\nRunning transaction test\n"]}
fatal: [192.168.0.33]: FAILED! => {"changed": false, "msg": "\n\nTransaction check error:\n  file /usr/bin/docker from install of docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.13.1-75.git8633870.el7.centos.x86_64\n  file /usr/bin/docker-containerd from install of docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.13.1-75.git8633870.el7.centos.x86_64\n  file /usr/bin/docker-containerd-shim from install of docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.13.1-75.git8633870.el7.centos.x86_64\n  file /usr/bin/dockerd from install of docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts with file from package docker-common-2:1.13.1-75.git8633870.el7.centos.x86_64\n\nError Summary\n-------------\n\n", "rc": 1, "results": ["Loaded plugins: fastestmirror, langpacks\nLoading mirror speeds from cached hostfile\n * epel: www.nic.funet.fi\nResolving Dependencies\n--> Running transaction check\n---> Package docker-engine.x86_64 0:17.03.1.ce-1.el7.centos will be installed\n--> Finished Dependency Resolution\n\nDependencies Resolved\n\n================================================================================\n Package            Arch        Version                       Repository   Size\n================================================================================\nInstalling:\n docker-engine      x86_64      17.03.1.ce-1.el7.centos       Docker       19 M\n\nTransaction Summary\n================================================================================\nInstall  1 Package\n\nTotal size: 19 M\nInstalled size: 19 M\nDownloading packages:\nRunning transaction check\nRunning transaction test\n"]}
fatal: [192.168.0.18]: FAILED! => {"changed": false, "msg": "Error: docker-engine conflicts with 2:docker-1.13.1-88.git07f3374.el7.centos.x86_64\n", "rc": 1, "results": ["Loaded plugins: fastestmirror, langpacks\nLoading mirror speeds from cached hostfile\n * epel: www.nic.funet.fi\nResolving Dependencies\n--> Running transaction check\n---> Package docker-engine.x86_64 0:17.03.1.ce-1.el7.centos will be installed\n--> Processing Conflict: docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts docker-io\n--> Restarting Dependency Resolution with new changes.\n--> Running transaction check\n---> Package docker.x86_64 2:1.13.1-75.git8633870.el7.centos will be updated\n---> Package docker.x86_64 2:1.13.1-88.git07f3374.el7.centos will be an update\n--> Processing Dependency: docker-common = 2:1.13.1-88.git07f3374.el7.centos for package: 2:docker-1.13.1-88.git07f3374.el7.centos.x86_64\n--> Processing Dependency: docker-client = 2:1.13.1-88.git07f3374.el7.centos for package: 2:docker-1.13.1-88.git07f3374.el7.centos.x86_64\n--> Running transaction check\n---> Package docker-client.x86_64 2:1.13.1-75.git8633870.el7.centos will be updated\n---> Package docker-client.x86_64 2:1.13.1-88.git07f3374.el7.centos will be an update\n---> Package docker-common.x86_64 2:1.13.1-75.git8633870.el7.centos will be updated\n---> Package docker-common.x86_64 2:1.13.1-88.git07f3374.el7.centos will be an update\n--> Processing Conflict: docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts docker-io\n--> Processing Conflict: docker-engine-17.03.1.ce-1.el7.centos.x86_64 conflicts docker\n--> Finished Dependency Resolution\n You could try using --skip-broken to work around the problem\n You could try running: rpm -Va --nofiles --nodigest\n"]}
        to retry, use: --limit @/root/workspace/kubeadm-ansible/site.retry

PLAY RECAP *******************************************************************************************************************************************************************************************************************************************************************
192.168.0.18               : ok=3    changed=0    unreachable=0    failed=1   
192.168.0.32               : ok=3    changed=0    unreachable=0    failed=1   
192.168.0.33               : ok=3    changed=0    unreachable=0    failed=1   

[cdrage]

Looks like you've already got docker installed on your CentOS machines. I'd suggest removing them with yum from each machine and trying the ansible script again. Kubernetes requires a specific version of Docker to run successfully.