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talarczykco/elasticsearch.exceptions.ElasticsearchException-fix.md

Last active November 17, 2017 20:12
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elasticsearch.exceptions.ElasticsearchException: Unable to create client connection to Elasticsearch. Error: Root certificates are missing for certificate validation. Either pass them in using the ca_certs parameter or install certifi to use it automatically
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elasticsearch.exceptions.ElasticsearchException-fix.md

If you use elasticsearch-curator on AWS (or possibly other hosted or self-hosted Elasticsearch installations that use SSL,) and you get this when curating:

elasticsearch.exceptions.ElasticsearchException: Unable to create client connection to Elasticsearch. Error: Root certificates are missing for certificate validation. Either pass them in using the ca_certs parameter or install certifi to use it automatically.

Then make sure the client.use_ssl key is present and True. This is a non-obvious error that led me down a rathole of Googling. Don't bother specifying root certificates, or installing certifi (it's probably already installed, if you installed elasticsearch-curator with pip.)

---
# https://www.elastic.co/guide/en/elasticsearch/client/curator/current/configfile.html
client:
  hosts:
    - https://your.elastic.endpoint
  port: 443
  use_ssl: True
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