ansible playbook to add memory metrics for cloudwatch - RedHat family only

memory-cloudwatch.yaml

- hosts: all
  vars:
    ec2_access_key: "AKIA-----------A"
    ec2_secret_key: "i-------------/--------A"
  remote_user: ec2-user
  sudo: yes
  tasks:
  - name: "make sure package perl-switch is installed for the monitoring scripts"
    yum: name=perl-Switch state=present
    when: ansible_os_family == "RedHat"
  - name: "make sure package perl-Sys-Syslog is installed for the monitoring scripts"
    yum: name=perl-Sys-Syslog state=present
    when: ansible_os_family == "RedHat"
  - name: "make sure package perl-LWP-Protocol-https is installed for the monitoring scripts"
    yum: name=perl-LWP-Protocol-https state=present
    when: ansible_os_family == "RedHat"
  - name: download scripts
    get_url: url=http://ec2-downloads.s3.amazonaws.com/cloudwatch-samples/CloudWatchMonitoringScripts-v1.1.0.zip dest=/tmp/CloudWatchMonitoringScripts.zip
  - name: unzip the scripts
    unarchive: src=/tmp/CloudWatchMonitoringScripts.zip dest=/tmp/
  - name: delete archive
    file: path=/tmp/CloudWatchMonitoringScripts.zip state=absent
  - name: set Access key in credentials file
    replace: dest=/tmp/aws-scripts-mon/awscreds.template regexp='AWSAccessKeyId=' replace='AWSAccessKeyId={{ ec2_access_key }}' backup=yes
  - name: set Secret key in credentials file
    replace: dest=/tmp/aws-scripts-mon/awscreds.template regexp='AWSSecretKey=' replace='AWSSecretKey={{ ec2_secret_key }}' backup=yes
  - name: move directory out of /tmp
    command: mv /tmp/aws-scripts-mon/ /root/ creates=/root/aws-scripts-mon/
  - name: add command to cron
    lineinfile: dest=/etc/crontab insertafter=EOF line="* * * * * root /root/aws-scripts-mon/mon-put-instance-data.pl --mem-util --mem-used --mem-avail --aws-credential-file=/root/aws-scripts-mon/awscreds.template"

Thanks for the Script. I have faced some errors and I have tried to solve them using below script.
Note: Syntax of command may differ by version to version in Ansible Playbook.

• hosts: all
  vars:
  ec2_access_key: "AKIA......................."
  ec2_secret_key: "b..........................................................H"
  remote_user: ec2-user
  become: yes
  tasks:
  • name: "make sure package perl-switch is installed for the monitoring scripts"
    yum: name=perl-Switch state=present
    when: ansible_distribution == "RedHat"
  • name: "make sure package perl-Sys-Syslog is installed for the monitoring scripts"
    yum: name=perl-Sys-Syslog state=present
    when: ansible_distribution == "RedHat"
  • name: "make sure package perl-LWP-Protocol-https is installed for the monitoring scripts"
    yum: name=perl-LWP-Protocol-https state=present
    when: ansible_distribution == "RedHat"
  • name: download scripts
    get_url: url=http://ec2-downloads.s3.amazonaws.com/cloudwatch-samples/CloudWatchMonitoringScripts-v1.1.0.zip dest=/tmp/CloudWatchMonitoringScripts.zip
  • yum: name=unzip state=present
  • name: unzip the scripts
    unarchive:
    src: /tmp/CloudWatchMonitoringScripts.zip
    dest: /tmp/
    remote_src: True
  • name: delete archive
    file: path=/tmp/CloudWatchMonitoringScripts.zip state=absent
  • name: set Access key in credentials file
    replace: dest=/tmp/aws-scripts-mon/awscreds.template regexp='AWSAccessKeyId=' replace='AWSAccessKeyId={{ ec2_access_key }}' backup=yes
  • name: set Secret key in credentials file
    replace: dest=/tmp/aws-scripts-mon/awscreds.template regexp='AWSSecretKey=' replace='AWSSecretKey={{ ec2_secret_key }}' backup=yes
  • name: move directory out of /tmp
    command: mv /tmp/aws-scripts-mon/ /root/ creates=/root/aws-scripts-mon/
  • name: "add command to cron"
    lineinfile: dest=/etc/crontab insertafter=EOF line="* * * * * root /root/aws-scripts-mon/mon-put-instance-data.pl --mem-util --mem-used --mem-avail --disk-path=/dev/xvda2 --disk-space-util --disk-space-used --disk-space-avail --aws-credential-file=/root/aws-scripts-mon/awscreds.template"

@mkatkade ever heard of syntax highlighting 🙃