(FM-8029) Add RedHat 8 to CI

Author: eimlav

provision.yaml

@@ -10,4 +10,4 @@ travis_el7:
   images: ['waffleimage/centos7', 'waffleimage/oraclelinux7', 'waffleimage/scientificlinux7']
 release_checks:
   provisioner: vmpooler
-  images: ['redhat-5-x86_64', 'redhat-6-x86_64', 'redhat-7-x86_64', 'centos-5-x86_64', 'centos-6-x86_64', 'centos-7-x86_64', 'oracle-5-x86_64', 'oracle-6-x86_64', 'oracle-7-x86_64', 'scientific-6-x86_64', 'scientific-7-x86_64', 'debian-8-x86_64', 'debian-9-x86_64', 'sles-11-x86_64', 'ubuntu-1404-x86_64', 'ubuntu-1604-x86_64', 'ubuntu-1804-x86_64']
+  images: ['redhat-5-x86_64', 'redhat-6-x86_64', 'redhat-7-x86_64', 'redhat-8-x86_64', 'centos-5-x86_64', 'centos-6-x86_64', 'centos-7-x86_64', 'oracle-5-x86_64', 'oracle-6-x86_64', 'oracle-7-x86_64', 'scientific-6-x86_64', 'scientific-7-x86_64', 'debian-8-x86_64', 'debian-9-x86_64', 'sles-11-x86_64', 'ubuntu-1404-x86_64', 'ubuntu-1604-x86_64', 'ubuntu-1804-x86_64']