improved error handling

.ansible-sign/sha256sum.txt

@@ -22,7 +22,7 @@ e0aa583a3faf802922a6cb66c3e2fa5906105a619a6d9821f47c6a068e728570  jenkins.yml
 d26a0f12ebb5835b5aa36074b24addf52fdca91939d97244eb682bb3bd05545e  roles/jenkins_setup/files/shadowman.xml
 3ce37f28b0b4cd83a86440fdfbc1148f6a61125dd4dcf900b953778a588ac12b  roles/jenkins_setup/tasks/main.yml
 fde421bd02e9d5d96effcbef92b4657f2ed9283855cebafcb3246c4829882382  roles/kafka/handlers/main.yml
-70078a53895da6af9f14f6d64ab7074aa6f79af2bb3c5777c2d8d78e3a215583  roles/kafka/tasks/main.yml
+c84ba59db2f5d91530ef26958b253432321ecc571b7d840831d5b11675e93544  roles/kafka/tasks/main.yml
 2d12114b12a76da493a951ed2c1abcd3d2d3e5a1ca0dcb0943fbc91665f5f91a  roles/prometheus/defaults/main.yml
 a8355ca3078663433c90e991a1a9622ae2d5b911696aef4a62701ed6a454690c  roles/prometheus/handlers/main.yml
 4116ff338c5ffed270d770729ff19e4f0a85365be1745f282fd35f50ca660fd6  roles/prometheus/tasks/main.yml

.ansible-sign/sha256sum.txt.sig

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roles/kafka/tasks/main.yml

@@ -64,5 +64,6 @@
   ansible.builtin.command: "/opt/kafka_2.13-3.6.0/bin/kafka-topics.sh --create --bootstrap-server localhost:9092 --replication-factor 1 --partitions 1 --topic {{ topic }}"
   register: kafkatopic
   changed_when: kafkatopic.stdout == "Created topic " ~ topic ~ "."
+  failed_when: '"already exists" not in kafkatopic.stderr'
   tags:
     - createtopic