39 lines
1.4 KiB
YAML
39 lines
1.4 KiB
YAML
- block:
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- name: copy unload_hdfs.sh to {{ deploy_dir }}/
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template:
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src: 'unload_hdfs.sh.j2'
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dest: '{{ deploy_dir }}/unload_hdfs.sh'
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force: true
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mode: 0755
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- name: unload hadoop
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shell: cd {{ deploy_dir }} && sh unload_hdfs.sh
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- name: Ansible delete {{ deploy_dir }}/unload_hdfs.sh
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file:
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path: "{{ deploy_dir }}/unload_hdfs.sh"
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state: absent
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- name: Checking ZooKeeper has Hadoop nodes
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shell: docker exec zookeeper zkCli.sh ls / | grep -w "hadoop-ha" | wc -l
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run_once: true
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delegate_to: "{{ groups.zookeeper[0] }}"
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register: has_zknode
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- name: Delete Hadoop nodes in ZooKeeper
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shell: "docker exec zookeeper zkCli.sh rmr /hadoop-ha"
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run_once: true
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delegate_to: "{{ groups.zookeeper[0] }}"
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when: has_zknode.stdout >= '1'
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- name: Check if the Hadoop service already exists
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shell: source /etc/profile && jps -l | egrep "org.apache.hadoop.hdfs.qjournal.server.JournalNode|org.apache.hadoop.hdfs.tools.DFSZKFailoverController|org.apache.hadoop.hdfs.server.datanode.DataNode|org.apache.hadoop.hdfs.server.namenode.NameNode" | wc -l
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register: check_out
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- name: To terminate execution
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fail:
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msg: "卸载失败，组件可能非本安装部署，请手动卸载后继续安装"
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run_once: true
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delegate_to: 127.0.0.1
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when: check_out.stdout >= '1'
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