fix(inputs.openstack): Resolve regression in block storage and server info

[powersj]

Summary

Checklist

• No AI generated code was used in this PR

Related issues

fixes: #14963

[telegraf-tiger]

Download PR build artifacts for linux_amd64.tar.gz, darwin_arm64.tar.gz, and windows_amd64.zip.
Downloads for additional architectures and packages are available below.

☺️ This pull request doesn't significantly change the Telegraf binary size (less than 1%)

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Artifact URLs

DEB	RPM	TAR GZ	ZIP
amd64.deb	aarch64.rpm	darwin_amd64.tar.gz	windows_amd64.zip
arm64.deb	armel.rpm	darwin_arm64.tar.gz	windows_arm64.zip
armel.deb	armv6hl.rpm	freebsd_amd64.tar.gz	windows_i386.zip
armhf.deb	i386.rpm	freebsd_armv7.tar.gz
i386.deb	ppc64le.rpm	freebsd_i386.tar.gz
mips.deb	riscv64.rpm	linux_amd64.tar.gz
mipsel.deb	s390x.rpm	linux_arm64.tar.gz
ppc64el.deb	x86_64.rpm	linux_armel.tar.gz
riscv64.deb		linux_armhf.tar.gz
s390x.deb		linux_i386.tar.gz
		linux_mips.tar.gz
		linux_mipsel.tar.gz
		linux_ppc64le.tar.gz
		linux_riscv64.tar.gz
		linux_s390x.tar.gz

[noor47-pixel]

@powersj thanks a lot problem seems solved i got all the metrics i need, but i want to know when i can have telegraf image avaible on docker hub in version 1.31.0 or the correction wil be update on older version like 1.29.5 ?

[powersj]

Thank you for confirming!

the correction wil be update on older version like 1.29.5 ?

We do not update previous versions. The fix would go into our nightly build once merged, and then into 1.30.1 scheduled for ~April 1

[srebhan]

@powersj could you please tick the "No AI" box!

[powersj]

@powersj could you please tick the "No AI" box!

done!