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Overwrite map service with ArcPy but use existing service properties?

Anonymous User

I am currently use a map service publishing script that uses CreateMapSDDraft to create the service definition draft and then I edit the service properties by treating it as an xml file. This script works for fresh publishes as well as overwrites. I'm curious if anybody has a workflow for overwrites that uses the service properties that already exist for the given map service, just like "Share As > Service... > Overwrite an existing service" in ArcMap does. I'd like to avoid having to repopulate the service properties every time I want to overwrite a map service because they differ slightly depending on the map service.

In case it's relevant, I am using ArcMap 10.2.1 and publishing to ArcGIS Enterprise 10.5.1.

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Accepted answers

JonathanQuinn

What if you store the settings for the service as JSON by accessing the service through the Admin API (ex https://server.domain.com:6443/arcgis/admin/services/<service>.MapServer?f=json) prior to publishing, overwrite the service, and then re-apply the settings?

What is updating within the service to require you to overwrite it? Symbology, layer/layer order, etc)?

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JonathanQuinn

What is updating within the service to require you to overwrite it? Symbology, layer/layer order, etc)?

Anonymous User

The general idea is that when a change to a map document is made (symbology, layers, whatever), I'd like to republish it without changing the service properties. For example, I'm currently working on a request that involves enabling the time properties on a handful of layers scattered across 20 map documents that have different min/max instances set. I'd like to run a script to republish them all in one go without having to worry about re-setting the min/max instances per-document.

I think your solution will do the trick. I just wish there was a better way to fetch service properties so it could function more like the manual overwrite process that just uses what's already there. Thank you!

Edit: I'll go ahead and mark your answer as correct but I'm still curious to see if anybody else has other ideas!

ZahirIbrahim

Has there been any update on this? I am trying to complete the exact same task.

ZahirIbrahim

How do you do this? Ie. store settings as JSON and then reapply?

JonathanQuinn

Yes, access the service properties through the Admin API first and store them in a variable, then once the service is published, reapply the service properties through the <service URL>/edit URL.

ZahirIbrahim

Thanks for this. I am attempting this for the first time. Do you have a script for this, or an example i can use?

BenjaminBlackshear

Thanks, this is very helpful!

I am trying to modify it to use to migrate services from one server to another and it is mostly working but I have a question.

Is there an easy way to use all the properties of the existing service for the new service or do they have to be specified one by one?

Given the ease of importing the properties when publishing in arcmap it feels like there must be an arcpy equivalent to this.

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