[英]Ansible loop based on fact to Restart Kafka Connector Failed Tasks
在這里,如果 Kafka Connect 任務處於失敗狀態,我想使用 ansible-playbook 重新啟動它們,我已經使用“set_fact”獲取了連接器任務狀態我想在收集的事實上創建一個循環,以使用連接器名稱和任務 ID 重新啟動 Kafka 連接器任務。
tasks:
- name: Gethering Connector Names
uri:
url: "{{scheme }}://{{ server }}:{{ port_no }}/connectors"
user: "{{ username }}"
password: "{{ password }}"
method: GET
force_basic_auth: yes
status_code: 200
register: conn_stat
- name: Checking for Connector status
uri:
url: "{{scheme }}://{{ server }}:{{ port_no }}/connectors/{{ abc_conn_name }}/status"
user: "{{ username }}"
password: "{{ password }}"
method: GET
force_basic_auth: yes
loop: "{{ conn_name }}"
loop_control:
loop_var: abc_conn_name
vars:
conn_name: "{{ conn_stat.json }}"
register: conn_stat_1
- name: Gethering Failed task id
set_fact:
failed_connector_name_task_id: "{{ conn_stat_1 | json_query('results[].json[].{name: name ,id: [tasks[?state == `RUNNING`].id [] | [0] ]}') }}"
- name: Failed connector name with tasks id
ansible.builtin.debug:
var: failed_connector_name_task_id
從事實中獲取低於值,我需要將其推入循環
"failed_connector_name_task_id": [
{
"id": [
0
1
],
"name": "test-connector-sample"
},
{
"id": [
0
1
],
"name": "confluent-connect"
},
{
"id": [
0
1
2
],
"name": "confluent-test-1"
}
]
},
"changed": false
}
需要發布價值
- name: Restart Connector Failed tasks
uri:
url: "{{scheme }}://{{ server }}:{{ port_no }}/connectors/**{{name of connector}}**/tasks/**{{task ID}}**/restart"
user: "{{ username }}"
password: "{{ password }}"
method: POST
force_basic_auth: yes
status_code: 200
register: conn_stat
連接器的名稱,要在循環中使用的任務 ID 。
在上面我需要為任務設置循環。 正如我們在上面看到的連接器“confluent-test-1”有三個處於失敗狀態的任務,所以它需要用任務“confluent-test-1”迭代三次。
這是您想要通過上述過濾器或查找使用子元素的典型情況。 這是使用過濾器的示例
- name: Restart Connector Failed tasks
uri:
url: "{{scheme }}://{{ server }}:{{ port_no }}/connectors/{{ item.0.name }}/tasks/{{ item.1 }}/restart"
user: "{{ username }}"
password: "{{ password }}"
method: POST
force_basic_auth: yes
status_code: 200
loop: "{{ failed_connector_name_task_id | subelements('id', skip_missing=True) }}"
值得一讀的參考資料:
您實際上可以使用以下構造刪除最后一個不必要的set_fact
任務:
- name: Restart Connector Failed tasks
vars:
failed_connector_name_task_id: "{{ conn_stat_1 | json_query('results[].json[].{name: name ,id: [tasks[?state == `RUNNING`].id [] | [0] ]}') }}"
uri:
url: "{{scheme }}://{{ server }}:{{ port_no }}/connectors/{{ item.0.name }}/tasks/{{ item.1 }}/restart"
user: "{{ username }}"
password: "{{ password }}"
method: POST
force_basic_auth: yes
status_code: 200
loop: "{{ failed_connector_name_task_id | subelements('id', skip_missing=True) }}"
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