fix: add OpenSearch/Elasticsearch 7+ compatibility#54
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…p; cache the list of old indices; exit with a non-zero code in case of fatal Elasticsearch errors; emit a warning upon index deletion failure
Fix random Elasticsearch errors
Managing ES authentication both from env var and uri params
Fix typo in readme
Remove deprecated type-based mappings and bulk endpoint format.
- Remove type wrapper from mappings (was: {"mappings": {"_doc": {...}}})
Now uses flat structure: {"mappings": {...}}
- Remove type from bulk endpoint (was: /{index}/_doc/_bulk)
Now uses: /{index}/_bulk
These changes maintain backward compatibility with Elasticsearch 7+
while adding support for OpenSearch.
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Summary
This PR updates the indexer to be compatible with OpenSearch and Elasticsearch 7+.
Changes
1. Mappings format
Before: Mappings were wrapped in a type (deprecated since ES 7):
{"mappings": {"_doc": {"properties": {...}}}}After: Flat structure (ES 7+ / OpenSearch compatible):
{"mappings": {"properties": {...}}}2. Bulk endpoint
Before: Included type in URL (deprecated):
After: Type-less endpoint (ES 7+ / OpenSearch compatible):
Compatibility
Related
Needed for https://github.com/italia/developers.italia.it to migrate from Elasticsearch to OpenSearch.