Auto Migration for Elasticsearch Indexes

Elastic Stack Elasticsearch
1

I am new to Elasticsearch,
Is there any tools or technique through which we can manage the Index automatically like the concept database schema migration /evolutions for Elasticsearch indexes.

We can use Index and assign an Index Aliases and reindex it while switching to new index. Is there a process which can help to automate this process?

2

App search does similar things.

Have a look at the SaaS version: https://www.elastic.co/cloud/app-search-service
Or the standalone version: https://www.elastic.co/downloads/app-search

3

@dadoonet
Thanks for the info regarding app-search-service.
But I am searching for a solution which will help me migrate from one index to another.

Example:
If the is an index animal_v1 whose aliases is animal
animal_v1 consist of following fields name ,weight
and this animal_v1 is in production.

Now suppose I need to add a few more fields in animal like height
So I will create a new index animal_v2 and perform reindexing from animal_v1 to animal_v2 and change aliases for animal from animal_v1 to animal_v2.

This is kind of a use case, But I am searching for a solution which will help me write migration template and help to automate the process.

4

You have to write this yourself.

5

@dadoonet Okay Thanks we need to write it manually.
I just wonder if there is some framework which will help manage this migration process. Like detect new manually written migration file, and update the elasticsearch index.

6

Not anything I'm aware of.

7

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