AWS CLIで月160万円の負債を解消した話 / AWS CLI debt resolution

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AWS CLIͰ݄160ສԁͷෛ࠴Λ ղফͨ͠࿩ େ಺ ௚थʢ@NaoNoaNaoNoaNʣ 2020.09.24

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େ಺ ௚थ @NaoNoaNaoNoaN • System Shared, Inc. • AWS, Nuxt.js, Node.js, TypeScript • ٳ೔͸Α͘ເͷࠃʹߦ·͢ • ϒϩάॻ͍ͯ·͢ https://www.ooooouchi.info/

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ຊ୊ͷલʹ

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System Shared, Inc. Ͳ͏͍͏ձࣾʁ

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SES΍ͬͯ·͢

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डୗ։ൃ΍ͬͯ·͢

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৽ଔ޲͚ITݚम΍ͬͯ·͢ ʢ̐ʙ݄̒ʣ

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ݚमதʹ AWSͷೖ໳΋΍ͬͯ·͢ ʢ̏೔͘Β͍ʣ

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ࣗࣾαʔϏε΋΍ͬͯ·͢

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AWSΞΧ΢ϯτ؅ཧ୅ߦαʔϏε ʢڴҖݕ஌ͱ͔༧ࢉ؅ཧͱ͔΍ͬͯ·͢ʣ

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No content

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͜Ε͸ System Shared, Inc.͕ ݚमੜͷAWSΞΧ΢ϯτΛ ؅ཧ୅ߦͨ࣌͠ͷ ෺ޠ

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ຊ୊

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AWSೖ໳ݚमͰ࢖͏ AWSϦιʔε

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EIP + EC2 + RDS

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ݚमੜͷAWSΞΧ΢ϯτ͸ AWS OrganizationsͰ૊৫؅ཧͯ͠Δ →ແྉར༻࿮࢒ྔͳ͠

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Ϧιʔείετ ֹ݄໿2000ԁ

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ݚमੜͷ਺

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800ਓऑ

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2000 × 800 = ʁ

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1,600,000

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̏೔͘Β͍ͷݚमͰ ݄160ສԁͷෛ࠴

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ղܾ͍͖ͯ͠·͢

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ղܾํ๏

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ᾇ

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StepFunctions + Lambda Node.js + AWS SDK Ͱ֤छϦιʔεΛফ͢

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ςετ༻ʹ༻ҙͨ͠ AWSΞΧ΢ϯτ 10ΞΧ΢ϯτͰ࡟আ੒ޭ

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͍͟ຊ൪

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Τϥʔൃੜ

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The state/task ‘arn:xxxxxxxxxxxxxxxx’ returned a result with a size exceeding the maximum number of characters service limit.

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λεΫؒͷύϥϝʔλαΠζ͕େ͖͗͢Δ ※্ݶɿ32,768byte

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800ΞΧ΢ϯτ෼ͷ৘ใΛ౉͢ʹ͸ গͳ͗͢Δ

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ࠔͬͨɾɾ

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͓ʁ

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͜Εͩʂʂ

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ᾈ

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Shell + AWS CLI

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AWSΞΧ΢ϯτIDΛऔಘͯ͠ aws organizations list-accounts-for-parent \ --parent-id ${OU_ID} \ --profile ${AWS_PROFILE_NAME} | jq -r ".Accounts[].Id" | sed -e "s/[\r\n]\+//g"

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શϦʔδϣϯ໊Λऔಘͯ͠ regions=$( aws ec2 describe-regions \ --query Regions[*].RegionName \ --output text \ --region ap-northeast-1 )

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EC2Πϯελϯε࡟আ INSTANCE_IDS=$( aws ec2 describe-instances \ --region $1 \ --filters “Name=instance-state-name, Values=pending,running,stopped,stopping" \ --query "Reservations[].Instances[].[InstanceId]" \ --output text | sed -e "s/[\r\n]\+//g" ) if [ -n "${INSTANCE_IDS[0]}" ]; then aws ec2 terminate-instances \ --instance-ids ${INSTANCE_IDS} \ --region $1 fi