mark ssl config option as obsolete

Author: jsvd

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 8.0.0
+  - Breaking: mark deprecated `ssl` option as obsolete
+
 ## 7.0.0
   - Breaking: Nest the decorated fields under `@metadata` field to avoid mapping conflicts with beats.
     Fixes #198, #180

docs/index.asciidoc

@@ -470,15 +470,6 @@ The size of the TCP send buffer (SO_SNDBUF) to use when sending data
 The timeout after which, if the `poll_timeout_ms` is not invoked, the consumer is marked dead
 and a rebalance operation is triggered for the group identified by `group_id`
 
-[id="plugins-{type}s-{plugin}-ssl"]
-===== `ssl`  (DEPRECATED)
-
-  * DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
-  * Value type is <<boolean,boolean>>
-  * Default value is `false`
-
-Enable SSL/TLS secured communication to Kafka broker.
-
 [id="plugins-{type}s-{plugin}-ssl_key_password"]
 ===== `ssl_key_password` 
 

lib/logstash/inputs/kafka.rb

@@ -160,7 +160,7 @@ class LogStash::Inputs::Kafka < LogStash::Inputs::Base
   # Time kafka consumer will wait to receive new messages from topics
   config :poll_timeout_ms, :validate => :number, :default => 100
   # Enable SSL/TLS secured communication to Kafka broker.
-  config :ssl, :validate => :boolean, :default => false, :deprecated => "Use security_protocol => 'ssl'"
+  config :ssl, :validate => :boolean, :obsolete => "Use security_protocol => 'SSL'"
   # The truststore type.
   config :ssl_truststore_type, :validate => :string
   # The JKS truststore path to validate the Kafka broker's certificate.

logstash-input-kafka.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name            = 'logstash-input-kafka'
-  s.version         = '7.0.0'
+  s.version         = '8.0.0'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = 'This input will read events from a Kafka topic. It uses the high level consumer API provided by Kafka to read messages from the broker'
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"