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galaxy-deployment-ansible-d…/Apache Hadoop/2.7.1/yarn/role/tasks/status-check.yml

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- name: Setting node_nums variable
set_fact: node_nums="{{groups.yarn|length}}"
- name: Waiting for the Yarn start,sleep 30s
shell: sleep 30
- block:
- name: checking ResourceManager status
shell: source /etc/profile && jps -l | grep "org.apache.hadoop.yarn.server.resourcemanager.ResourceManager" | grep -v grep | wc -l
register: resourcemanager_check
- name: checking ResourceManager
fail:
msg: "ResourceManager节点启动异常请登陆{{ inventory_hostname }},保留日志反馈,路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/"
when: resourcemanager_check.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
- name: checking JobHistoryServer status
shell: source /etc/profile && jps -l | grep "org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer" | grep -v grep | wc -l
register: history_check
- name: checking JobHistoryServer
fail:
msg: "JobHistoryServer节点启动异常请登陆{{ inventory_hostname }},保留日志反馈,路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/"
when: history_check.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
when: inventory_hostname in groups['yarn'][0:2]
- block:
- name: checking NodeManager status
shell: source /etc/profile && jps -l | grep "org.apache.hadoop.yarn.server.nodemanager.NodeManager" | grep -v grep | wc -l
register: datanode_status
- name: checking NodeManager
fail:
msg: "NodeManager未启动,请登陆[{{ inventory_hostname }}],保留日志反馈,路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/"
when: datanode_status.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
when: node_nums >= cluster_limit and inventory_hostname not in groups['yarn'][0:2]
- block:
- name: checking NodeManager status
shell: source /etc/profile && jps -l | grep "org.apache.hadoop.yarn.server.nodemanager.NodeManager" | grep -v grep | wc -l
register: datanode_status
- name: checking NodeManager
fail:
msg: "NodeManager未启动,请登陆[{{ inventory_hostname }}],保留日志反馈,路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/"
when: datanode_status.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
when: node_nums < cluster_limit