feat: expose sasl mechanism configuration in kafka_log package (elastic#15647)

* feat: expose sasl mechanism configuration in kafka_log package

* update PR id in changelog

* CI failure fix

Author: stefans-elastic

packages/kafka_log/changelog.yml

@@ -1,3 +1,8 @@
+- version: "1.9.0"
+  changes:
+    - description: Add SASL mechanism configuration.
+      type: enhancement
+      link: https://github.com/elastic/integrations/pull/15647
 - version: "1.8.1"
   changes:
     - description: Updated SSL description to be uniform and to include links to documentation.

packages/kafka_log/data_stream/generic/agent/stream/kafka.yml.hbs

@@ -17,6 +17,9 @@ group_id: {{group_id}}
 {{#if client_id}}
 client_id: {{client_id}}
 {{/if}}
+{{#if sasl_mechanism}}
+sasl.mechanism: {{sasl_mechanism}}
+{{/if}}
 {{#if username}}
 username: {{username}}
 {{/if}}

packages/kafka_log/data_stream/generic/manifest.yml

@@ -76,6 +76,22 @@ streams:
           #- multiline:
           #    type: counter
           #    lines_count: 3
+      - name: sasl_mechanism
+        title: SASL Mechanism
+        description: SASL Auth Mechanism
+        type: select
+        options:
+          - text: None
+            value: ""
+          - text: PLAIN
+            value: PLAIN
+          - text: SCRAM-SHA-256
+            value: SCRAM-SHA-256
+          - text: SCRAM-SHA-512
+            value: SCRAM-SHA-512
+        default: ""
+        required: false
+        show_user: true
       - name: username
         type: text
         title: Username

packages/kafka_log/manifest.yml

@@ -3,7 +3,7 @@ name: kafka_log
 title: Custom Kafka Logs
 description: Collect data from kafka topic with Elastic Agent.
 type: integration
-version: "1.8.1"
+version: "1.9.0"
 conditions:
   kibana:
     version: "^8.13.0 || ^9.0.0"