[ansible-project] Run task based on value in register

[dudu.c...@gmail.com]

I have created a playbook that should run the following scenario – I’m 
having a problem with the second tasks 

1.       Query the source Kafka for a topic list and save the output in 
register 

2.       Run topics creation as a loop on destination kafka

a.       Topics list is taken from the input file

b.       The topic will be created only if the topic exists in the source 
kafka 

 

Playbook tasks explanation – It seems that task 6 is been skipped 

Host: source Kafka 

1.       Task 1 : connect to source Kafka and get a list of topic à update 
register

2.       Task 2: print topic list – debug 

3.       Task 3 : Copy register output to a file 

Host: destination  kafka

4.       Task 4 : upload topic list from the file to a register 

5.       Task 5: print register

6.       Task 6: create topic per input list, only if topic name exists in 
register *  If this can be done as a search in file it will be much better 
(will save task 4)

 


*## Verification *- hosts:
      - kafka_source_master_server[0]
  become: true
  any_errors_fatal: true
  gather_facts: False
  vars:
    zookeeper_port: 2999
  tasks:

    - name: list topic from source kafka
      command:
        argv:
          - kafka-topics
          - --list
          - --zookeeper
          - localhost
          - "{{ zookeeper_port }}"
      register: kafka_topic_list

    - name: Debug - print list of Topics
      debug:
        msg: "{{kafka_topic_list.stdout_lines}}"



    - name: write results to a file
      local_action: copy content={{ kafka_topic_list.stdout_lines }} 
dest=/tmp/topic-list.txt

- hosts:
      - bigdata_kafka_master[0]
  become: true
  any_errors_fatal: true
  gather_facts: False
  vars_files:
    - ./environment.yml
    - ./kafka_enviroment.yml
  vars:
    zookeeper_port: 2999
    srm_bin_path: 
/opt/cloudera/parcels/STREAMS_REPLICATION_MANAGER/bin/srm-control
  tasks:

    - name: Update register with topic list
      shell: cat /tmp/topic-list.txt
      register: topic_list
      delegate_to: localhost


    - name: print topics
      debug:
        msg: "{{ topic_list.stdout_lines }}"

    - name: Create duplication per topic
      command:
        argv:
          - "{{ srm_bin_path }}"
          - topics
          - --source
          - "{{ kafka_source }}"
          - --target
          - "{{ kafka_destination }}"
          - --add
          - "{{ item }}"
      with_items: "{{ kafka_topics_to_be_mirrored }}"
      when: '"{{ kafka_topics_to_be_mirrored }}" in topic_list'

 

-- 
You received this message because you are subscribed to the Google Groups 
"Ansible Project" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to ansible-project+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/ansible-project/b4d981e0-8d1e-43ea-aa17-a7c35afd4d42n%40googlegroups.com.