提交各组件部署Ansible剧本初版

Apache Kafka/3.4.1/kafka/role/tasks/deploy.yml

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+- name: Setting node_nums variable
+  set_fact: node_nums="{{groups.kafka|length}}"
+
+- block:
+    - name: Check the Zookeeper status
+      shell: netstat -anlp | egrep "2181" | grep LISTEN | wc -l
+      register: port_out
+      delegate_to: "{{ groups.zookeeper[0] }}"
+    
+    - name: To terminate execution
+      fail:
+       msg: "Port 2181 of the zookeeper node is not monitored. The status may be abnormal"
+      run_once: true
+      delegate_to: 127.0.0.1
+      when: port_out.stdout != '1'
+
+- name: Creating directory
+  file:
+    state: directory
+    path: '{{ deploy_dir }}/{{ container_name }}/{{ item.dir }}'
+  with_items:
+    - { dir: 'kafka-logs' }
+    - { dir: 'config' }
+    - { dir: 'logs' }  
+    - { dir: 'monitor' }  
+
+- name: unpack {{ component_version }}.tgz to /usr/local/
+  unarchive:
+    src: 'files/{{ component_version }}.tgz'
+    dest: '/usr/local/'
+
+- name: Copying Kafka config files
+  template:
+    src: '{{ item.src }}'
+    dest: '{{ item.dest }}'
+    mode: 0755
+  with_items:
+    - { src: 'kafka-operation.sh.j2', dest: '/usr/local/{{ component_version }}/bin/kafka-operation.sh' }
+    - { src: 'kafka.sh.j2', dest: '/etc/profile.d/kafka.sh' }
+    
+- name: Copying image to {{ deploy_dir }}/{{ container_name }}/
+  copy:
+    src: 'files/{{ image_name }}-{{ image_tag }}.tar'
+    dest: '{{ deploy_dir }}/{{ container_name }}/'
+    force: true
+  notify:
+    - Loading Image
+
+- name: Copying image to {{ deploy_dir }}/{{ container_name }}/monitor
+  copy:
+    src: 'files/kafka_exporter-v2.0.tar'
+    dest: '{{ deploy_dir }}/{{ container_name }}/monitor/'
+    force: true
+  notify:
+    - Loading Exporter Image
+
+- name: Copying Kafka config files
+  template:
+    src: '{{ item.src }}'
+    dest: '{{ item.dest }}'
+    mode: 0644
+  with_items:
+    - { src: 'server.properties.j2', dest: '{{ deploy_dir }}/{{ container_name }}/config/server.properties' }
+    - { src: 'docker-compose.yml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/docker-compose.yml' }
+    - { src: 'docker-compose_exporter.yml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/monitor/docker-compose.yml' }
+  notify:
+    - Start Container
+    - Start Exporter Container
+
+- meta: flush_handlers
+
+

Apache Kafka/3.4.1/kafka/role/tasks/main.yml

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+- block: 
+    - include: uninstall.yml
+    - include: deploy.yml
+    - include: status-check.yml
+  when: (operation) == "install"
+
+- block:
+    - include: uninstall.yml
+  when: (operation) == "uninstall"
+

Apache Kafka/3.4.1/kafka/role/tasks/status-check.yml

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+- name: Waitting for Kafka running,60s
+  shell: sleep 60
+
+- name: Check if the Kafka already exists
+  shell: ps -ef | grep -v grep | grep kafka.Kafka | wc -l
+  register: process_out
+  
+- name: Check if the Kafka already exists
+  shell: netstat -anlp | egrep "9092|9094|9095" | grep LISTEN | wc -l
+  register: port_out
+
+- name: To terminate execution
+  fail:
+   msg: "Kafka on node {{ inventory_hostname }} is not started. Please check"
+  run_once: true
+  delegate_to: 127.0.0.1 
+  when: process_out.stdout != '1' or port_out.stdout != '3'

Apache Kafka/3.4.1/kafka/role/tasks/uninstall.yml

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+- block: 
+    - name: Stopping and removing {{ container_name }} container
+      docker_container:
+        name: '{{ container_name }}'
+        state: absent
+    
+    - name: Removing old {{ image_name }} image
+      docker_image:
+        name: '{{ image_name }}'
+        tag: '{{ image_tag }}'
+        state: absent
+
+    - name: Stopping and removing exporter container
+      docker_container:
+        name: 'kafka_exporter'
+        state: absent
+
+    - name: Removing old exporter image
+      docker_image:
+        name: 'kafka_exporter'
+        tag: 'v2.0'
+        state: absent
+
+    - name: Ansible delete old {{ deploy_dir }}/{{ container_name }}
+      file:
+        path: '{{ deploy_dir }}/{{ container_name }}'
+        state: absent
+
+    - name: Checking ZooKeeper has Kafka nodes
+      shell: "docker exec -it zookeeper zkCli.sh ls / | grep kafka | wc -l"
+      run_once: true
+      delegate_to: "{{ groups.zookeeper[0] }}"
+      register: has_zknode
+
+    - name: Delete Kafka nodes in ZooKeeper
+      shell: "docker exec -it zookeeper zkCli.sh rmr /kafka"
+      run_once: true
+      delegate_to: "{{ groups.zookeeper[0] }}"
+      when: has_zknode.stdout >= '1'