Re: [thredds] Uncorrelate disk path and href for catalogRef and dataset in catalog.xml

Hello Dave,

thanks for your response. Unfortunately no, I'm migrating a 4.6 instance on bare metal to another 4.6 on Docker. But since the docs related to catalogRef doesn't seem to differ between 4.6 and 5.5, I was wondering if there was a solution for both versions. (I know 4.6 is not maintained anymore)

The ticket is still interesting for the following upgrades we would have.

Léo

Le 30/10/2024 à 16:01, David Robertson a écrit :

Hi,

If your THREDDS instance went from 4.6 to 5.x then you are probably running into the same thing I did that is detailed in the following GitHub issue:

https://github.com/Unidata/tds/issues/504

Dave

*From: *thredds <thredds-bounces@xxxxxxxxxxxxxxxx> on behalf of Léo Le Lonquer <leo.le.lonquer@xxxxxxxxxx>
*Date: *Wednesday, October 30, 2024 at 10:25 AM
*To: *thredds@xxxxxxxxxxxxxxxx <thredds@xxxxxxxxxxxxxxxx>
*Subject: *[thredds] Uncorrelate disk path and href for catalogRef and dataset in catalog.xml

Hello everyone,

I'm migrating Thredds instances, and as I do so, I'm also reorganising Thredds folders.

We have a large amount of catalogRef and datasets that are located under {tds.content.root.path}. I would like to move them all to a new folder {tds.content.root.path}/catalogs to simplify management.

However doing so, an extra /catalogs/ is added to the URL of each of the underlying datasets.

ex :

https://tds0.ifremer.fr/thredds/CERSAT.html => https://tds0.ifremer.fr/thredds/catalogs/CERSAT.html

My root catalog is the following :

<?xmlversion="1.0"encoding="UTF-8"?>

<catalogname="tds0"xmlns="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0"; <http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0>xmlns:xlink="http://www.w3.org/1999/xlink"; <http://www.w3.org/1999/xlink>>

<catalogRefxlink:title="CERSAT"xlink:href="catalogs/CERSAT.xml"name=""/>

<catalogRefxlink:title="CORIOLIS"xlink:href="catalogs/CORIOLIS.xml"name=""/>

<catalogRefxlink:title="LPO"xlink:href="catalogs/LPO.xml"name=""/>

</catalog>

I tried several solution but none of them worked :

- adding in threddsConfig.xml a catalogRoot element pointing to a new catalog.xml file located at catalogs/catalog.xml. But it resolves as url : thredds/catalogs/catalog.html

- using attributes name, ID, alias, urlPath in the definition of catalogRef elements in catalog.xml file trying to truncate catalogs/ folder

- defining default catalog.xml at startup, but couldn't find a java parameter to do so. Only tds.content.root.path is settable.

It is quite important to keep the same urls while migrating as a lot of products stored in the Ifremer Thredds instances are referenced in multiple services with their urls.

Maybe I missed a configuration while reading the docs. Does anybody know if it's possible and how to do it ?

Thanks,

--

Léo Le Lonquer
Ingénieur Cloud pour la Science
Ifremer Centre Bretagne, 29280 Plouzané, France

--

Léo Le Lonquer
Ingénieur Cloud pour la Science
Ifremer Centre Bretagne, 29280 Plouzané, France
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