testnode: Try to work around flaky rocky mirrorlists

```
[root@trial052 ~]# cat /etc/yum.repos.d/rocky.repo

[baseos]
name=Rocky Linux $releasever - BaseOS
mirrorlist=https://mirrors.rockylinux.org/mirrorlist?arch=$basearch&repo=BaseOS-$releasever$rltype
gpgcheck=1
enabled=1
countme=1
metadata_expire=6h
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Rocky-10
```

Fixes: https://tracker.ceph.com/issues/74563
Signed-off-by: David Galloway <david.galloway@ibm.com>

diff --git a/roles/testnode/tasks/yum/packages.yml b/roles/testnode/tasks/yum/packages.yml
index 010695ac427ed45faf464fa443d6ca1d5bafbb5b..d80a10f2ed4431c18e176fd7825b127c8622fbcf 100644 (file)
--- a/roles/testnode/tasks/yum/packages.yml
+++ b/roles/testnode/tasks/yum/packages.yml
@@ -49,6 +49,7 @@
     name: "{{ packages|list }}"
     state: present 
   when: packages|length > 0
+  retries: 5
 
 - name: Install epel packages
   package: