Opsview - Gather SSH host keys for target hosts failure

Symptoms:

• This applies to Red Hat 8, Oracle Linux 8, and Ubuntu 20.04
• Gathering SSH host keys for target hosts might fail when it cannot gather keys from a target host (due to NAT or other issues).

Cause:

Known Issue OP-61084

Due to recent changes made in ssh-keyscan command, the ansible task, 'Gather SSH host keys for target hosts' might fail when it cannot gather keys from a target host (due to NAT or other issues).

Solution:

To be able to progress with the installation/upgrade we need to modify opsview-deploy file by running the below command as root:

sed -i '/ register: _ssh_keys_host_keys/i \ \ ignore_errors: true' /opt/opsview/deploy/lib/roles/ssh_keys/tasks/main.yml

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