Memory&Disk Playbook

---
#Creating memory alarm and make sure CLoudwatch role is assigned to the ec2 instances
- hosts: all     #must have valid ips,ssh-keys and user-name.
  become: yes
  gather_facts: yes
  tasks:
  - name: Installing the required packages for Ubuntu Dist
    apt:
      name: "{{ item }}"
      update_cache: yes
      state: latest
    with_items:
      - unzip
      - libwww-perl
      - libdatetime-perl
    when: ansible_os_family == "Debian"

  - name: Installing the required packages for Redhat Dist
    yum:
      name: "{{ item }}"
      state: latest
    with_items:
      - perl-Switch
      - perl-Sys-Syslog
      - perl-LWP-Protocol-https
      - perl-DateTime
    when:  ansible_os_family == "RedHat"

  - name: Download the script
    get_url:
      url: http://aws-cloudwatch.s3.amazonaws.com/downloads/CloudWatchMonitoringScripts-1.2.1.zip
      dest: /opt/CloudWatchMonitoringScripts.zip

  - name: Unzip the script
    shell: cd /opt && unzip /opt/CloudWatchMonitoringScripts.zip
    register: output
  - debug:
      var: output

  - name: Delete the Archive file
    file:
      path: /opt/CloudWatchMonitoringScripts.zip
      state: absent

  - name: Verfiy
    shell: cd /opt/aws-scripts-mon && /opt/aws-scripts-mon/mon-put-instance-data.pl --mem-util --mem-used --mem-avail --swap-util --swap-used --disk-space-util --disk-space-used --disk-space-avail --memory-units=megabytes --disk-space-units=gigabytes --disk-path=/dev/xvda1
    register: script_out
  - debug:
      var: script_out

  - name: Add it to crontab
    lineinfile:
      path: /etc/crontab
      insertafter: EOF
      line: "*/5 * * * * root /opt/aws-scripts-mon/mon-put-instance-data.pl --mem-util --mem-used --mem-avail --swap-util --swap-used --disk-space-util --disk-space-used --disk-space-avail --memory-units=megabytes --disk-space-units=gigabytes --disk-path=/dev/xvda1"
    register: cron_out
  - debug:
      var: cron_out