실습5 진행시 젠킨스에서 playbook실행 커맨드 추가하고 빌드 시 오류

Running as SYSTEM
Building in workspace /var/jenkins_home/workspace/My-First-Project
The recommended git tool is: NONE
No credentials specified
 > git rev-parse --resolve-git-dir /var/jenkins_home/workspace/My-First-Project/.git # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://github.com/joneconsulting/cicd-web-project # timeout=10
Fetching upstream changes from https://github.com/joneconsulting/cicd-web-project
 > git --version # timeout=10
 > git --version # 'git version 2.39.2'
 > git fetch --tags --force --progress -- https://github.com/joneconsulting/cicd-web-project +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git rev-parse refs/remotes/origin/main^{commit} # timeout=10
Checking out Revision df356f7f9629011a817acf6fbd0ae17864226dea (refs/remotes/origin/main)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f df356f7f9629011a817acf6fbd0ae17864226dea # timeout=10
Commit message: "changed version to 3.2.5"
 > git rev-list --no-walk df356f7f9629011a817acf6fbd0ae17864226dea # timeout=10
SSH: Connecting from host [00eb708d0fb1]
SSH: Connecting with configuration [ansible-server] ...
SSH: Creating session: username [root], hostname [172.17.0.3], port [22]
SSH: Connecting session ...
SSH: Connected
SSH: Opening SFTP channel ...
SSH: SFTP channel open
SSH: Connecting SFTP channel ...
SSH: Connected
SSH: cd [.]
SSH: OK
SSH: Remote root is not absolute, getting absolute directory from PWD
SSH: cd [/root]
SSH: OK
SSH: put [hello-world.war]
SSH: Opening exec channel ...
SSH: EXEC: channel open
SSH: EXEC: STDOUT/STDERR from command [ansible-playbook -i hosts first-devops-playbook.yml] ...
SSH: EXEC: connected

PLAY [all] *********************************************************************

TASK [Gathering Facts] *********************************************************
fatal: [172.17.0.3]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: root@172.17.0.3: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).", "unreachable": true}

PLAY RECAP *********************************************************************
172.17.0.3                 : ok=0    changed=0    unreachable=1    failed=0    skipped=0    rescued=0    ignored=0   

SSH: EXEC: completed after 1,002 ms
SSH: Disconnecting configuration [ansible-server] ...
ERROR: Exception when publishing, exception message [Exec exit status not zero. Status [4]]
Build step 'Send build artifacts over SSH' changed build result to UNSTABLE
Finished: UNSTABLE

실습 5번 진행하면서 젠킨스에서 ansible-server를 ssh로 연결 한 후에 playbook 실행 exec에 작성하고 빌드하면 위와 같은 문제가 납니다...

yml파일을 ansible-server에서 직접 실행하면 동작이 되는데 젠킨스에서 빌드 할 때 만 오류가 나네요.... ㅠㅠ