oc: command not found (htpasswd error?) about installcentos HOT 3 CLOSED

Failure summary:


  1. Hosts:    10.0.2.15
     Play:     Configure etcd
     Task:     Pull etcd container
     Message:  non-zero return code
htpasswd: cannot modify file /etc/origin/master/htpasswd; use '-c' to create it
./install-openshift.sh: line 103: oc: command not found
Failed to restart origin-master-api.service: Unit not found.
******
* Your console is https://console.xxx.xxx.xxx.xxx.nip.io:8443
* Your username is xxx
* Your password is password
*
* Login using:
*
$ oc login -u xxx -p password https://console.xxx.xxx.xxx.xxx.nip.io:8443/
******
./install-openshift.sh: line 118: oc: command not found

fatal: [10.0.2.15]: FAILED! => {"changed": false, "cmd": ["docker", "pull", "registry.fedoraproject.org/latest/etcd"], "delta": "0:00:01.481021", "end": "2018-05-14 14:
52:37.201731", "msg": "non-zero return code", "rc": 1, "start": "2018-05-14 14:52:35.720710", "stderr": "Get https://registry.fedoraproject.org/v1/_ping: dial tcp: look
up registry.fedoraproject.org: no such host", "stderr_lines": ["Get https://registry.fedoraproject.org/v1/_ping: dial tcp: lookup registry.fedoraproject.org: no such ho
st"], "stdout": "Using default tag: latest\nTrying to pull repository registry.fedoraproject.org/latest/etcd ... ", "stdout_lines": ["Using default tag: latest", "Tryin
g to pull repository registry.fedoraproject.org/latest/etcd ... "]}