Add /etc/hosts configuration for HDFS multiple nodes

d6986f60 · Decoupes Remy · 083c7add · d6986f60 · d6986f60 · d6986f60
Commit d6986f60 authored 5 years ago by Decoupes Remy
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+17 -0
--- a/playbook/install-datanode.yml
+++ b/playbook/install-datanode.yml
@@ -4,4 +4,5 @@
  roles:
    - common
+    - hosts-file
    - hadoop-common
\ No newline at end of file
--- a/playbook/install-namenode.yml
+++ b/playbook/install-namenode.yml
@@ -4,4 +4,5 @@
  roles:
    - common
+    - hosts-file
    - hadoop-common
\ No newline at end of file
--- a/playbook/roles/hosts-file/tasks/main.yml
+++ b/playbook/roles/hosts-file/tasks/main.yml
+- name: build /etc/hosts with variables definition
+  become: yes
+  template:
+    src: templates/etc_hosts.j2
+    dest: "/etc/hosts"
\ No newline at end of file
--- a/playbook/roles/hosts-file/templates/etc_hosts.j2
+++ b/playbook/roles/hosts-file/templates/etc_hosts.j2
+{% for node in cluster %}
+{{node.IP}}   {{node.hostname}}
+{% endfor %}
\ No newline at end of file
--- a/playbook/roles/hosts-file/vars/main.yml
+++ b/playbook/roles/hosts-file/vars/main.yml
+cluster:
+  - hostname: namenode
+    IP: 10.0.0.10
+  - hostname: datanode1
+    IP: 10.0.0.11
+  - hostname: datanode2
+    IP: 10.0.0.12