[ClusterLabs] Antw: [EXT] Re: Q: All the versions
Ulrich.Windl at rz.uni-regensburg.de
Thu Mar 19 10:26:13 EDT 2020
>>> Ken Gaillot <kgaillot at redhat.com> schrieb am 18.03.2020 um 17:59 in
el at redhat.com>:
> On Wed, 2020‑03‑18 at 10:31 +0100, Ulrich Windl wrote:
>> I have a question on the various versions in the RA metadata. For
>> <?xml version="1.0"?>
>> <!DOCTYPE resource‑agent SYSTEM "ra‑api‑1.dtd">
>> <resource‑agent name="HealthCPU" version="0.1">
>> The XML version should be OK. Next version is the RA API version 1 as
>> indicated in the file name.
>> Then the resource‑agent element has version "0.1".
>> Is that the version (0.1) that should be incremented if the metadata
>> changes or the contents of the <version> element (1.0)?
>> Confused, sorry!
> It is definitely confusing.
> The version inside <resource‑agent> is for the agent's own use, so the
> agent developer can do whatever they want with that one.
> The <version> tag is for the RA API version (it happens to be in the
> DTD filename as well, but what that file is named is not considered to
> have any significance). If possible I'd rename this to be clearer but
> that's probably not a good idea due to backward compatibility issues.
But that's against the tradition of SGML/XML usage: If there are different
DTDs, then the doctype expresses that, probably using a "public" identifier
instead of a "system" identifier. An extra <version> element inside the
document is redundant at least...
> Ken Gaillot <kgaillot at redhat.com>
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