请问老师做静态集成时候，jenkins build shell里面的cd $WORKSPACE/nginx_playbook请问这个WORKSPACE是哪来的？按视频操作报错了
/tmp/jenkins5447534446360083653.sh: line 7: cd: /var/lib/jenkins/workspace/nginx-freestyle-job/nginx_playbook: No such file or directory
ansible 2.5.14 (stable-2.5 6548b7a558) last updated 2018/12/26 18:03:26 (GMT +800)
config file = None
configured module search path = [’/home/deploy/.ansible/plugins/modules’, ‘/usr/share/ansible/plugins/modules’]
ansible python module location = /home/deploy/.py3-a2.5-env/ansible/lib/ansible
executable location = /home/deploy/.py3-a2.5-env/ansible/bin/ansible
python version = 3.6.5 (default, Dec 26 2018, 17:45:06) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)]
ansible-playbook 2.5.14 (stable-2.5 6548b7a558) last updated 2018/12/26 18:03:26 (GMT +800)
config file = None
configured module search path = [’/home/deploy/.ansible/plugins/modules’, ‘/usr/share/ansible/plugins/modules’]
ansible python module location = /home/deploy/.py3-a2.5-env/ansible/lib/ansible
executable location = /home/deploy/.py3-a2.5-env/ansible/bin/ansible-playbook
python version = 3.6.5 (default, Dec 26 2018, 17:45:06) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)]
ERROR! the playbook: ./deploy.yml could not be found