標準だけだと足り無いのでカスタム用メトリックスを作成
[hoge@ip-2342-234 cloudwatch]$ ls credential custom_metrics.sh http_status_check.sh
#!/bin/bash export JAVA_HOME=/usr/lib/jvm/jre export AWS_CLOUDWATCH_HOME=/opt/aws/apitools/mon export EC2_REGION=ap-northeast-1 export AWS_CREDENTIAL_FILE=/home/deployer/cloudwatch/credential instanceid=i-6786876768 # EC-2メニューの「Instances」から該当サーバのInstanceIDを取得して記述 # http status check status=`/home/deployer/cloudwatch/http_status_check.sh https://hogehoge.work` # 監視したいurlを記述 if [ $status -eq 200 ]; then Fail=0 else Fail=1 fi /opt/aws/bin/mon-put-data --metric-name "Http Status fail" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid" --value "$Fail" --unit "Count" # memory check memtotal=`free -m | grep 'Mem' | tr -s ' ' | cut -d ' ' -f 2` memfree=`free -m | grep 'buffers/cache' | tr -s ' ' | cut -d ' ' -f 4` let "memused=100-memfree*100/memtotal" /opt/aws/bin/mon-put-data --metric-name "FreeMemoryMBytes" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid" --value "$memfree" --unit "Megabytes" /opt/aws/bin/mon-put-data --metric-name "UsedMemoryPercent" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid" --value "$memused" --unit "Percent" # sidekiq check sidekiq=`ps aux | grep sidekiq | grep -v grep | wc -l` if [ "$sidekiq" -gt "0" ]; then SidekiqProcesses=1 else SidekiqProcesses=0 fi /opt/aws/bin/mon-put-data --metric-name "Sidekiq Processes" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid" --value "$SidekiqProcesses" --unit "Count" # redis check redis=`ps cax | grep redis | wc -l` if [ "$redis" -gt "0" ]; then RedisProcesses=1 else RedisProcesses=0 fi /opt/aws/bin/mon-put-data --metric-name "Redis Processes" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid" --value "$RedisProcesses" --unit "Count" # nginx check nginx=`ps cax | grep nginx | wc -l` if [ "$nginx" -gt "0" ]; then NginxProcesses=1 else NginxProcesses=0 fi /opt/aws/bin/mon-put-data --metric-name "Nginx Processes" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid" --value "$NginxProcesses" --unit "Count" # unicorn check unicorn=`ps -ef | grep unicorn | grep -v grep | wc -l` if [ "$unicorn" -gt "0" ]; then UnicornProcesses=1 else UnicornProcesses=0 fi /opt/aws/bin/mon-put-data --metric-name "Unicorn Processes" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid" --value "$UnicornProcesses" --unit "Count" # cron check cron=`ps cax | grep cron | wc -l` if [ "$cron" -gt "0" ]; then CronProcesses=1 else CronProcesses=0 fi /opt/aws/bin/mon-put-data --metric-name "Cron Processes" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid" --value "$CronProcesses" --unit "Count" # diskspace check path='/' freespace=`df --local --block-size=1M $path | grep $path | tr -s ' ' | cut -d ' ' -f 4` usedpercent=`df --local $path | grep $path | tr -s ' ' | cut -d ' ' -f 5 | grep -o "[0-9]*"` mon-put-data --metric-name "FreeSpaceMBytes" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid,Path=$path" --value "$freespace" --unit "Megabytes" mon-put-data --metric-name "UsedSpacePercent" --namespace "Custom Metrix" --dimensions "InstanceId=$instanceid,Path=$path" --value "$usedpercent" --unit "Percent"
crontab -eでクーロンの設定
MAILTO=dev@creww.me */5 * * * * /home/deployer/cloudwatch/custom_metrics.sh
