jq required but not found

[chenqifeng28]

Is this a BUG REPORT or a FEATURE REQUEST ? (choose one):
FEATURE REQUEST

$ mkdir ~/git
$ cd ~/git
$ git clone https://github.com/openshift/openshift-ansible-contrib.git
$ cd openshift-ansible-contrib/reference-architecture/day2ops/scripts
$ ./project_export.sh logging

[root@master scripts]# ./project_export.sh logging
jq required but not found

What is the jq?
How can i resove it ,thx.

[root@master ~]# oc version
oc v3.6.173.0.5
kubernetes v1.6.1+5115d708d7
features: Basic-Auth GSSAPI Kerberos SPNEGO

Server https://master.example.com:8443
openshift v3.6.173.0.5
kubernetes v1.6.1+5115d708d7

[root@master ~]# ansible --version
ansible 2.3.1.0
config file = /etc/ansible/ansible.cfg
configured module search path = Default w/o overrides
python version = 2.7.5 (default, May 3 2017, 07:55:04) [GCC 4.8.5 20150623 (Red Hat 4.8.5-14)]

[l3andro]

Need install jq package on Linux.