Monitoring Memory and Disk Metrics for Amazon EC2 Linux Instances
From DevOps Notebook
Contents
Requirements
In order for script to work either IAM role or awscreds.conf file needs to be configure.
Required packages
Amazon Linux
- login with ec2-user
$ sudo yum install -y perl-Switch perl-DateTime perl-Sys-Syslog perl-LWP-Protocol-https perl-Digest-SHA.x86_64
Ubuntu
- login with ubuntu user
$ sudo apt-get update && \ sudo apt-get install libwww-perl libdatetime-perl unzip
Install Monitoring Scripts
$ cd /opt/ && sudo curl https://aws-cloudwatch.s3.amazonaws.com/downloads/CloudWatchMonitoringScripts-1.2.2.zip -O $ sudo unzip CloudWatchMonitoringScripts-1.2.2.zip && \ sudo rm CloudWatchMonitoringScripts-1.2.2.zip && \ cd aws-scripts-mon
Setup crontab
Crontab needs to be setup in order to push data periodically to cloudwatch
Bellow cron is example, you should add paremeters for metrics you need.
*/5 * * * * /opt/aws-scripts-mon/mon-put-instance-data.pl --mem-used-incl-cache-buff --mem-util --disk-space-util --disk-path=/ --from-cron