I use something like "^ceph(0[1-9])|(1[0-9])$", but in a script that checks a parameter for a "correct" ceph node name like in:
wantNum=$1
if [[ $wantNum =~ ^ceph(0[2-9]|1[0-9])$ ]] ; then
wantNum=${BASH_REMATCH[1]}
Which gives me the number, if it is in the range 02-19
Dunno, if that helps :)
Ciao, Uli
> On 27. Jan 2023, at 18:17, E Taka <0etaka0@xxxxxxxxx> wrote:
>
> Hi,
>
> I wonder if it is possible to define a host pattern, which includes the
> host names
> ceph01…ceph19, but no other hosts, especially not ceph00. That means, this
> pattern is wrong: ceph[01][0-9] , since it includes ceph00.
>
> Not really a problem, but it seems that the "“host-pattern” is a regex that
> matches against hostnames and returns only matching hosts"¹ is not defined
> more precisely in the docs.
>
> 1) https://docs.ceph.com/en/latest/cephadm/host-management/
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