解决了,好像是/etc/hosts有点问题
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost6 localhost6.localdomain6 localhost6.localdomain
# Ansible inventory hosts BEGIN
192.168.10.203 node-1.cluster.local node-1
192.168.10.204 node-2.cluster.local node-2
192.168.10.205 node-3.cluster.local node-3
# Ansible inventory hosts END
改成
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 localhost6.localdomain
# Ansible inventory hosts BEGIN
192.168.10.203 node-1.cluster.local node-1
192.168.10.204 node-2.cluster.local node-2
192.168.10.205 node-3.cluster.local node-3
# Ansible inventory hosts END
就好了