[meta] support for elasticsearch API key

[colinsurprenant]

This is what need to be done to support Elasticsearch API key for access from Logstash without requiring basic authentication.

Plugins

• add support for api_key option in logstash-input-elasticsearch add support for api_key authentication logstash-plugins/logstash-input-elasticsearch#131
• add support for api_key option in logstash-filter-elasticsearch add support for api_key authentication logstash-plugins/logstash-filter-elasticsearch#132
• add support for api_key option in logstash-output-elasticsearch Add support authentication with API keys logstash-plugins/logstash-output-elasticsearch#908 add elasticsearch API key support logstash-plugins/logstash-output-elasticsearch#934
• documentation for plugins api_key support

Logstash

Related issue #11748

• add support for api_key option in xpack monitoring and management add support for api_key in xpack monitoring and management  #11864
• Documentation for api_key for monitoring and management

[colinsurprenant]

PR for elasticsearch output logstash-plugins/logstash-output-elasticsearch#934

[colinsurprenant]

logstash-output-elasticsearch v10.5.0 with API ket support is published.

[colinsurprenant]

Created #11864 for xpack monitoring and management

[colinsurprenant]

PR up for elasticsearch filter logstash-plugins/logstash-filter-elasticsearch#132

[colinsurprenant]

PR up for elasticsearch input logstash-plugins/logstash-input-elasticsearch#131

[colinsurprenant]

All plugins now support api_key starting at versions:

• logstash-input-elasticsearch v4.7.0
• logstash-filter-elasticsearch v3.8.0
• logstash-output-elasticsearch v10.5.0

xpack management and monitoring now support api_key in master (for v8.0.0) and in 7.x (for 7.9.0)

Closing.