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feat(monitoring): add memory monitoring to EC2 instances #620

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merged 2 commits into from
Nov 16, 2020
Merged

feat(monitoring): add memory monitoring to EC2 instances #620

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3849085
feat(monitoring): add memory monitoring to EC2 instances
Nov 11, 2020
aceb6b2
doc: Add TODO for change to Amazon Linux 2 instances
Nov 16, 2020
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43 changes: 24 additions & 19 deletions .ebextensions/eb-memory-monitor.config
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Original file line number Diff line number Diff line change
@@ -1,24 +1,29 @@
###################################################################################################
#### Memory monitoring for Elastic Beanstalk
#### https://medium.com/tomincode/cloudwatch-memory-monitoring-for-elastic-beanstalk-1caa98d57d5c
#### https://aws.amazon.com/premiumsupport/knowledge-center/elastic-beanstalk-memory-monitoring/
###################################################################################################

packages:
yum:
perl-DateTime: []
perl-Sys-Syslog: []
perl-LWP-Protocol-https: []
perl-Switch: []
perl-URI: []
perl-Bundle-LWP: []
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sources:
/opt/cloudwatch: https://aws-cloudwatch.s3.amazonaws.com/downloads/CloudWatchMonitoringScripts-1.2.1.zip

container_commands:
00download:
command: "wget http://aws-cloudwatch.s3.amazonaws.com/downloads/CloudWatchMonitoringScripts-1.2.2.zip"
ignoreErrors: true
01extract:
command: "unzip -o CloudWatchMonitoringScripts-1.2.2.zip"
ignoreErrors: true
02rmzip:
command: "rm CloudWatchMonitoringScripts-1.2.2.zip"
ignoreErrors: true
03prereq:
command: "yum install -y perl-Switch perl-DateTime perl-Sys-Syslog perl-LWP-Protocol-https"
ignoreErrors: false
04cdinto:
command: "mv aws-scripts-mon/ /home/ec2-user"
ignoreErrors: true
05cron:
command: "crontab -l | grep -q 'mon-put-instance-data.pl' || crontab -l | { cat; echo '* * * * * /home/ec2-user/aws-scripts-mon/mon-put-instance-data.pl --mem-util --mem-used --mem-avail'; } | crontab -"
ignoreErrors: false
01-setupcron:
command: |
echo '*/5 * * * * root perl /opt/cloudwatch/aws-scripts-mon/mon-put-instance-data.pl `{"Fn::GetOptionSetting" : { "OptionName" : "CloudWatchMetrics", "DefaultValue" : "--mem-util --disk-space-util --disk-path=/" }}` >> /var/log/cwpump.log 2>&1' > /etc/cron.d/cwpump
02-changeperm:
command: chmod 644 /etc/cron.d/cwpump
03-changeperm:
command: chmod u+x /opt/cloudwatch/aws-scripts-mon/mon-put-instance-data.pl
option_settings:
"aws:autoscaling:launchconfiguration" :
IamInstanceProfile : "aws-elasticbeanstalk-ec2-role"
"aws:elasticbeanstalk:customoption" :
CloudWatchMetrics : "--mem-util --mem-used --mem-avail --disk-space-util --disk-space-used --disk-space-avail --disk-path=/ --auto-scaling"