Create main.yml

roles/elasticsearch/tasks/main.yml

+---
+#
+# Installing Elasticsearch
+#
+# Add apt-key 
+- name: Add apt-key
+ apt_key:
+   url: "https://artifacts.elastic.co/GPG-KEY-elasticsearch"
+   state: present
+# Add the Elasticsearch APT-repository
+- name: Adding Elasticsearch APT repository
+ apt_repository:
+   repo: deb https://artifacts.elastic.co/packages/5.x/apt stable main
+   state: present
+# Install Elasticsearch
+- name: Update repos cache, install Elasticsearch
+ apt:
+   name: elasticsearch
+   update_cache: yes
+# Update Elasticsearch config file to allow remote connections
+- name: Updating config file to allow outside access
+ lineinfile:
+   destfile: /etc/elasticsearch/elasticsearch.yml
+   regexp: 'network.host:'
+   line: 'network.host: 0.0.0.0'
+# Start Elasticsearch
+- name: Starting Elasticsearch
+ service:
+   name: elasticsearch
+   state: started