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|
- name: Setting node_nums variable
set_fact: node_nums="{{groups.hdfs|length}}"
- name: To terminate execution
fail:
msg: "Fully Distributed Mode at least 3 nodes, please checking configurations/hosts -> hdfs"
when: node_nums < 3
- name: check Jdk version
shell: source /etc/profile && java -version 2>&1 | grep {{ java_version }} | wc -l
ignore_errors: false
register: jdk_out
- name: To terminate execution
fail:
msg: "JDK is not installed in the target cluster, please check!"
when: jdk_out.stdout != '2'
run_once: true
delegate_to: 127.0.0.1
- name: create hadoop package path:{{ deploy_dir }}
file:
state: directory
path: '{{ item.path }}'
with_items:
- { path: '{{ hdfs_data_dir }}' }
- { path: '{{ deploy_dir }}' }
- name: master_ip to ansible variable
set_fact: master_ip={{groups.hdfs[0]}}
- name: slave1_ip to ansible variable
set_fact: slave1_ip={{groups.hdfs[1]}}
- name: slave2_ip to ansible variable
set_fact: slave2_ip={{groups.hdfs[2]}}
#解压tar
- name: unpack hadoop-2.7.1.tar.gz to {{ deploy_dir }}/
unarchive:
src: 'files/{{ hadoop_version }}.tar.gz'
dest: '{{ deploy_dir }}/'
- name: Copying hadoop config files
template:
src: '{{ item.src }}'
dest: '{{ deploy_dir }}/{{ hadoop_version }}/{{ item.dest }}'
mode: '{{ item.mode }}'
backup: false
with_items:
- { src: 'core-site.xml.j2', dest: 'etc/hadoop/core-site.xml', mode: '0644' }
- { src: 'hdfs-site.xml.j2', dest: 'etc/hadoop/hdfs-site.xml', mode: '0644' }
- { src: 'mapred-site.xml.j2', dest: 'etc/hadoop/mapred-site.xml', mode: '0644' }
- { src: 'slaves.j2', dest: 'etc/hadoop/slaves', mode: '0644' }
- { src: 'hadoop-env.sh.j2', dest: 'etc/hadoop/hadoop-env.sh', mode: '0755' }
- { src: 'set_hdfs_env.sh.j2', dest: 'bin/set_hdfs_env.sh', mode: '0755' }
- name: Copying HDFS config to {{ master_ip }}
template:
src: '{{ item.src }}'
dest: '{{ item.dest }}'
mode: 0755
backup: false
with_items:
- { src: 'daemonscript/dae-hdfsjournal.sh.j2', dest: '{{ deploy_dir }}/{{ hadoop_version }}/sbin/dae-hdfsjournal.sh' }
- { src: 'daemonscript/dae-hdfsmaster.sh.j2', dest: '{{ deploy_dir }}/{{ hadoop_version }}/sbin/dae-hdfsmaster.sh' }
- { src: 'daemonscript/keephdfsmaster.j2', dest: '/etc/init.d/keephdfsmaster' }
- { src: 'daemonscript/keephdfsjournal.j2', dest: '/etc/init.d/keephdfsjournal' }
- { src: 'ini_hdfs.sh.j2', dest: '{{ deploy_dir }}/{{ hadoop_version }}/bin/ini_hdfs.sh' }
run_once: true
delegate_to: "{{ master_ip }}"
- name: Copying HDFS config to {{ slave1_ip }}
template:
src: 'daemonscript/{{ item.src }}'
dest: '{{ item.dest }}'
mode: 0755
backup: yes
with_items:
- { src: 'dae-hdfsjournal.sh.j2', dest: '{{ deploy_dir }}/{{ hadoop_version }}/sbin/dae-hdfsjournal.sh' }
- { src: 'dae-hdfsslave.sh.j2', dest: '{{ deploy_dir }}/{{ hadoop_version }}/sbin/dae-hdfsslave.sh' }
- { src: 'keephdfsslave.j2', dest: '/etc/init.d/keephdfsslave' }
- { src: 'keephdfsjournal.j2', dest: '/etc/init.d/keephdfsjournal' }
run_once: true
delegate_to: "{{ slave1_ip }}"
- name: Copying HDFS config to {{ slave2_ip }}
template:
src: 'daemonscript/{{ item.src }}'
dest: '{{ item.dest }}'
mode: 0755
backup: yes
with_items:
- { src: 'dae-hdfsjournal.sh.j2', dest: '{{ deploy_dir }}/{{ hadoop_version }}/sbin/dae-hdfsjournal.sh' }
- { src: 'keephdfsjournal.j2', dest: '/etc/init.d/keephdfsjournal' }
run_once: true
delegate_facts: true
delegate_to: "{{ slave2_ip }}"
- name: Copying HDFS config to worker nodes
template:
src: 'daemonscript/{{ item.src }}'
dest: '{{ item.dest }}'
mode: 0755
backup: yes
with_items:
- { src: 'dae-hdfsworker.sh.j2', dest: '{{ deploy_dir }}/{{ hadoop_version }}/sbin/dae-hdfsworker.sh' }
- { src: 'keephdfsworker.j2', dest: '/etc/init.d/keephdfsworker' }
- name: set hadoop env
shell: cd {{ deploy_dir }}/{{ hadoop_version }}/bin/ && ./set_hdfs_env.sh {{ item.opeation }}
with_items:
- { opeation: 'chkconfig' }
- { opeation: 'journal' }
- name: Waiting for the JournalNode start,sleep 10s
shell: sleep 10
- block:
- name: checking JournalNode status
shell: source /etc/profile && jps | grep JournalNode | grep -v grep | wc -l
register: status_out
- name: checking JournalNode
fail:
msg: "JournalNode节点启动异常，请登陆{{ inventory_hostname }},保留日志反馈，路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/*journalnode*"
when: status_out.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
when: inventory_hostname in [master_ip,slave1_ip,slave2_ip]
- name: Initialization NameNode/ZKFC,Start master NameNode
block:
- name: initialization hadoop NameNode
shell: sh {{ deploy_dir }}/{{ hadoop_version }}/bin/ini_hdfs.sh namenode | grep "yes" | grep -v grep | wc -l
register: ini_namenode_out
- name: checking namenode init status
fail:
msg: "namenode 初始化异常,请登陆[{{ master_ip }}],保留日志反馈，路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/*namenode*"
when: ini_namenode_out.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
- name: initialization hadoop ZKFC
shell: sh {{ deploy_dir }}/{{ hadoop_version }}/bin/ini_hdfs.sh zkfc | grep "yes" | grep -v grep | wc -l
register: ini_zkfc_out
- name: checking hadoop-zk init status
fail:
msg: "hadoop-zk 初始化异常,请登陆[{{ master_ip }}],保留日志反馈，路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/"
when: ini_zkfc_out.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
- name: start hadoop Master node
shell: cd {{ deploy_dir }}/{{ hadoop_version }}/bin/ && ./set_hdfs_env.sh master
- name: Waiting for the Master-namenode start,sleep 20s
shell: sleep 20
- name: checking {{ master_ip }} NameNode status
shell: source /etc/profile && jps | grep NameNode | grep -v grep | wc -l
register: master_namenode_status
- name: checking master NameNode
fail:
msg: "NameNode-master未启动,请登陆[{{ master_ip }}],保留日志反馈，路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/*namenode*"
when: master_namenode_status.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
run_once: true
delegate_facts: true
delegate_to: "{{ master_ip }}"
- name: Start slave NameNode
block:
- name: copying {{ master_ip }} NameNode files to Slave
shell: "yes | {{ deploy_dir }}/{{ hadoop_version }}/bin/hdfs namenode -bootstrapStandby"
- name: start hadoop Slave node
shell: cd {{ deploy_dir }}/{{ hadoop_version }}/bin/ && ./set_hdfs_env.sh slave
- name: Waiting for the Slave-namenode start,sleep 60s
shell: sleep 60
- name: checking {{ slave1_ip }} NameNode status
shell: source /etc/profile && jps | grep NameNode | grep -v grep | wc -l
register: slave1_namenode_status
- name: checking slavel NameNode
fail:
msg: "NameNode-slave未启动,请登陆[{{ slave1_ip }}],保留日志反馈，路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/*namenode*"
when: slave1_namenode_status.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
run_once: true
delegate_facts: true
delegate_to: "{{ slave1_ip }}"
- name: Start DataNode
block:
- name: start hadoop Worker nodes
shell: cd {{ deploy_dir }}/{{ hadoop_version }}/bin/ && ./set_hdfs_env.sh worker
- name: Waiting for the DataNode start,sleep 60s
shell: sleep 60
- name: checking DataNode status
shell: source /etc/profile && jps | grep DataNode | grep -v grep | wc -l
register: datanode_status
- name: checking DataNode
fail:
msg: "DataNode未启动,请登陆[{{ inventory_hostname }}],保留日志反馈，路径:{{ deploy_dir }}/{{ hadoop_version }}/logs/*datanode*"
when: datanode_status.stdout != '1'
run_once: true
delegate_to: 127.0.0.1
- name: delete {{ deploy_dir }}/hadoop-2.7.1.tar.gz
file:
path: "{{ deploy_dir }}/{{ hadoop_version }}.tar.gz"
state: absent
|
