我在执行 Jenkins 的 ansible-playbook 时遇到问题，
喜欢 ：
PLAY [centos-slave-02] *********************************************************
TASK [Gathering Facts] *********************************************************
fatal: [centos-slave-02]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: Host key verification failed.", "unreachable": true}
PLAY RECAP *********************************************************************
centos-slave-02 : ok=0 changed=0 unreachable=1 failed=0 skipped=0 rescued=0 ignored=0
但我能够得到乒乓响应，每次都要求
Matching host key in /var/jenkins_home/.ssh/known_hosts:5 :
jenkins@c11582cb5024:~/jenkins-ansible$ ansible -i hosts -m ping centos-slave-02
Warning: the ECDSA host key for 'centos-slave-02' differs from the key for the IP address '172.19.0.3'
Offending key for …