[Geoserver-users] REST API and PUT updates

GeoServer GeoServer User
1

Hello All,

I’ve been using the REST API lately, which has been a bit problematic for me.

Is there a way to change a single parameter for an object from a single REST call? For example, change the database name for a data store?

I suppose what I’m after is PATCH rather than PUT, as PUT is supposed to be atomic.

At the moment it looks like you would have to:

  1. Do a GET to get the current config
  2. Load the response to a data structure
  3. Merge the response with your desired change (this would be a lot easier if the JSON was standard key:value)
  4. Do a PUT to make the merged change active
    As I said I can see why PUT shouldn’t do this, but to show what I mean here is an example of it not working from a PUT:

Say I’ve got a datastore:

curl -u admin:geoserver -GET http://192.168.2.237:8080/geoserver/rest/workspaces/tester/datastores/Test.xml

Test PostGIS true tester public postgres crypt1:mWGfLiNZL8UOZCpLkRE7mw== localhost [http://james](http://james) postgres <__default>true

Then I want to change the database name from ‘postgres’ to ‘postgres-test’, so I sent the following XML in a PUT request:

Test PostGIS postgres-test /connectionParameters>

But this removes the other config:

curl -u admin:geoserver -GET http://192.168.2.237:8080/geoserver/rest/workspaces/tester/datastores/Test.xml

Test PostGIS true tester postgres-test <__default>true
···

James Sewell,
PostgreSQL Team Lead / Solutions Architect

Level 2, 50 Queen St, Melbourne VIC 3000

P (+61) 3 8370 8000 W www.lisasoft.com F (+61) 3 8370 8099

2

If I remember the code both POST and PUT are supported. Patch grabs the existing catalog item, applies the change to it, and saves…

https://github.com/geoserver/geoserver/blob/master/src/restconfig/src/main/java/org/geoserver/catalog/rest/FeatureTypeResource.java#L87

···

On 6 July 2016 at 17:16, James Sewell <james.sewell@anonymised.com> wrote:

Hello All,

I’ve been using the REST API lately, which has been a bit problematic for me.

Is there a way to change a single parameter for an object from a single REST call? For example, change the database name for a data store?

I suppose what I’m after is PATCH rather than PUT, as PUT is supposed to be atomic.

At the moment it looks like you would have to:

  1. Do a GET to get the current config
  2. Load the response to a data structure
  3. Merge the response with your desired change (this would be a lot easier if the JSON was standard key:value)
  4. Do a PUT to make the merged change active
    As I said I can see why PUT shouldn’t do this, but to show what I mean here is an example of it not working from a PUT:

Say I’ve got a datastore:

curl -u admin:geoserver -GET http://192.168.2.237:8080/geoserver/rest/workspaces/tester/datastores/Test.xml

Test PostGIS true tester public postgres crypt1:mWGfLiNZL8UOZCpLkRE7mw== localhost [http://james](http://james) postgres <__default>true

Then I want to change the database name from ‘postgres’ to ‘postgres-test’, so I sent the following XML in a PUT request:

Test PostGIS postgres-test /connectionParameters>

But this removes the other config:

curl -u admin:geoserver -GET http://192.168.2.237:8080/geoserver/rest/workspaces/tester/datastores/Test.xml

Test PostGIS true tester postgres-test <__default>true

James Sewell,
PostgreSQL Team Lead / Solutions Architect

Level 2, 50 Queen St, Melbourne VIC 3000

P (+61) 3 8370 8000 W www.lisasoft.com F (+61) 3 8370 8099

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