(FACT-2732) OracleLinux 7 and Scientific Linux 7 OS facts incorrect in Facter 4.0.30

[BogdanIrimie]

Added Oracle and Scientific Linux to os_hierarchy.json under Red Hat Enterprise Linux. Before the addition, they were considered default linux distributions.

[BogdanIrimie]

jenkins please test this on redhat7-64a,ubuntu1604-64a,aix61-POWERfa,amazon6-64a,amazon7-64a,debian9-64a,debian9-32a,debian10-64a,fedora30-64a,fedora31-64a,fedora32-64a,osx1014-64a,osx1015-64a,centos6-64a,centos6-32a,centos8-64a,redhat7-AARCH64a,redhat8-64a,redhatfips7-64a,sles12-64a,sles12-POWERa,sles15-64a,solaris11-64a,solaris114-64a,ubuntu1604-32a,ubuntu1604-POWERa,ubuntu1804-64a,ubuntu2004-64a,windows10ent-64a,windows10ent-32a,windows2012r2-64a,windows2016-64a,windows2019-64a,windowsfips2012r2-64a

[Filipovici-Andrei]

A unit test for this particular case in the os_release_resolver_spec?

[mihaibuzgau]

Tested on Oracle Linux 7:
Before this fix:

{
  architecture => "x86_64",
  family => "Ol",
  hardware => "x86_64",
  name => "Oracle",
  release => {
    full => "7.2",
    major => "7.2"
  },
  selinux => {
    config_mode => "enforcing",
    config_policy => "targeted",
    current_mode => "enforcing",
    enabled => true,
    enforced => true,
    policy_version => "28"
  }

After this fix was applied:

{
  architecture => "x86_64",
  family => "RedHat",
  hardware => "x86_64",
  name => "OracleLinux",
  release => {
    full => "7.2",
    major => "7",
    minor => "2"
  },
  selinux => {
    config_mode => "enforcing",
    config_policy => "targeted",
    current_mode => "enforcing",
    enabled => true,
    enforced => true,
    policy_version => "28"
  }
}

[mihaibuzgau]

This also fixes the issue on Scientific linux 7:
Before the fix:

{
  architecture => "x86_64",
  family => "Rhel centos fedora",
  hardware => "x86_64",
  name => "Scientific",
  release => {
    full => "7.2",
    major => "7.2"
  },
  selinux => {
    enabled => false
  }
}

After the fix:

{
  architecture => "x86_64",
  family => "RedHat",
  hardware => "x86_64",
  name => "Scientific",
  release => {
    full => "7.2",
    major => "7",
    minor => "2"
  },
  selinux => {
    enabled => false
  }
}

[BogdanIrimie]

@Filipovici-Andrei added a unit test for Oracle Linux name detection from os_release_resolver