M #: Fix CE rhel repo setup code blocks

[dann1]

Description

rhel repo CE code blocks don't work when copying from the doc

[root@localhost ~]#  # cat << "EOT" > /etc/yum.repos.d/opennebula.repo
[root@localhost ~]#  [opennebula]
-bash: [opennebula]: command not found
[root@localhost ~]#  name=OpenNebula Community Edition
-bash: Community: command not found
[root@localhost ~]#  baseurl=https://downloads.opennebula.io/repo/7.0/AlmaLinux/$releasever/$basearch
[root@localhost ~]#  enabled=1
[root@localhost ~]#  gpgkey=https://downloads.opennebula.io/repo/repo2.key
[root@localhost ~]#  gpgcheck=1
[root@localhost ~]#  repo_gpgcheck=1
[root@localhost ~]#  EOT
-bash: EOT: command not found
[root@localhost ~]#  # yum makecache

EE works

[root@localhost ~]# cat << "EOT" > /etc/yum.repos.d/opennebula.repo
> [opennebula]
> name=OpenNebula Enterprise Edition
> baseurl=https://<token>@enterprise.opennebula.io/repo/7.0/AlmaLinux/$releasever/$basearch
> enabled=1
> gpgkey=https://downloads.opennebula.io/repo/repo2.key
> gpgcheck=1
> repo_gpgcheck=1
> EOT
[root@localhost ~]# yum makecache
AlmaLinux 8 - BaseOS                                                                                                                               12 kB/s | 3.8 kB     00:00
AlmaLinux 8 - AppStream                                                                                                                            15 kB/s | 4.3 kB     00:00
AlmaLinux 8 - Extras                                                                                                                               11 kB/s | 3.3 kB     00:00
Extra Packages for Enterprise Linux 8 - x86_64                                                                                                     50 kB/s |  37 kB     00:00
OpenNebula Enterprise Edition                                                                                                                     334  B/s | 381  B     00:01
Errors during downloading metadata for repository 'opennebula':
  - Status code: 401 for https://<token>@enterprise.opennebula.io/repo/7.0/AlmaLinux/8/x86_64/repodata/repomd.xml (IP: 139.162.168.171)
Error: Failed to download metadata for repo 'opennebula': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried

Also fix a warning with VM HA code block

Branches to which this PR applies

• master
• one-6.10
• one-6.10-maintenance

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