Error installing

Im using virtualbox with centos 7 i want to try this
but executing this command yum -y install grafana

i get error message
[root@centos7vbox yum.repos.d]# yum -y install grafana
Loaded plugins: fastestmirror, langpacks

File contains parsing errors: file:///etc/yum.repos.d/grafana.repo
[line 2]: name=grafana

[line  3]:  baseurl=

[line  4]:  repo_gpgcheck=1

[line  5]:  enabled=1

[line  6]:  gpgcheck=1

[line  7]:  gpgkey=

[line  8]:  sslverify=1

[line  9]:  sslcacert=/etc/pki/tls/certs/ca-bundle.crt

[root@centos7vbox yum.repos.d]#


solved already

followed this link Official Documentaion