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AWSΠϯϑϥߏஙπʔϧͱͯ͠ͷTerraform

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resource "Profile" "Yuma Iwasaki" { company = "Speee Inc." division = "Web Marketing" development_product = "UZOU ~ Native Ad Network" age = 25 programming_language [ "Ruby", "Scala", "Golang" ] }

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agenda • Terraformͱ͸ʁ • AWSΠϯϑϥߏஙπʔϧൺֱ • Terraform࢖͍ํ • ๻Β͸Ͳ͏࢖͍ͬͯΔͷ͔

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Πϯϑϥߏ੒ΛίʔυԽ͢Δ͜ͱͷͰ͖Δπʔϧ

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ͲΜͳ͜ͱ͕Ͱ͖Δ͔ • IaaSͷαʔόʔߏஙͷίʔυԽ • Amazon Web Services • Google Cloud Platform • Microsoft Azure • Heroku SetupͷίʔυԽ

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ओʹAWSͷΠϯϑϥߏஙπʔϧͱͯ͠࢖ΘΕ͍ͯΔ

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͜Μͳܦݧͳ͍Ͱ͔͢ʁ • VPCΛ࡞Δࡍɺςετ؀ڥͱຊ൪؀ڥ΋ಉ͡ૢ࡞Λͯ͠࡞੒ͨ͠ ͭ΋Γ͕ͩҰ෦ؒҧ͍͑ͯͨ • ϚωδϝϯτίϯιʔϧΛݟΔͱ͍ͭͷؒʹ͔ṖͷΠϯελϯ ε͕Ͱ͖ͯͯɺ͍ͭ୭͕࡞੒͔͕ͨ͠Θ͔Βͳ͍

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AWSͷΠϯϑϥߏஙΛίʔυԽ͢Δͱͳʹ͕͍͍ͷ͔ʁ

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AWSͷΠϯϑϥߏஙΛίʔυԽ͢Δͱͳʹ͕͍͍ͷ͔ʁ • ϛεΒͳ͍ • ਓͷख͸ϛε͠·͕͢ɺػց͸ϛε͠ͳ͍ • ίʔυԽ͢Δ͜ͱʹΑͬͯཤྺ؅ཧ͕Մೳ • Կճ΋ߏங͢Δ৔߹ʹ͸ޮ཰త • ίϐϖͰ؀ڥߏங͕Ͱ͖Δ

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Pull RequestϕʔεͰΠϯϑϥߏங͕Ͱ͖Δɻ

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AWSΠϯϑϥߏஙπʔϧ • CloudFormation • Terraform • Ansible

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Terraform VS CloudFormation VS Ansible

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AWSରԠ • CloudFormation • AWSެࣜαʔϏεͳͷͰ΄΅શͯͷAWSαʔϏε͕ରԠ • ৽͍͠αʔϏεʹରͯ͠΋ɺ͍ͪૣ͘ରԠ • Terraform • ଟ͘ͳਓ͕࢖͏Α͏ͳαʔϏε͸΄΅ରԠ • Ansible • ଟ͘ͷਓ͕࢖͏Α͏ͳαʔϏε͸΄΅ରԠ

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هड़ํࣜ • CloudFormation • JSON • Terraform • ಺෦DSL • Ansible • YAML

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DryRun • CloudFormation • None • Terraform • શͯͷ࣮ߦ͸terraform planͰ֬ೝՄೳ • Ansible • --dry-runΦϓγϣϯͰҰ෦ରԠ

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طଘ؀ڥͷίʔυԽ • CloudFormation • Cloudfomer • Terraform • Terraforming • Ansible • None

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ิ଍

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TerraformͰCloudFormationɺAnsibleΛ࣮ߦ͢Δ͜ͱ͕Ͱ͖Δɻ

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Terraform࢖͍ํ

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provider "aws" { region = "ap-northeast-1" } resource "aws_instance" "web" { ami = "ami-408c7f28" instance_type = "t1.micro" tags { Name = "HogeHogeEC2Instance } }

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terraform plan

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+ aws_instance.web ami: "" => "ami-408c7f28" availability_zone: "" => "" ebs_block_device.#: "" => "" ephemeral_block_device.#: "" => "" instance_state: "" => "" instance_type: "" => "t1.micro" key_name: "" => "" placement_group: "" => "" private_dns: "" => "" private_ip: "" => "" public_dns: "" => "" public_ip: "" => "" root_block_device.#: "" => "" security_groups.#: "" => "" source_dest_check: "" => "1" subnet_id: "" => "" tags.#: "" => "1" tags.Name: "" => "HogeHoge" tenancy: "" => "" vpc_security_group_ids.#: "" => "" Plan: 1 to add, 0 to change, 0 to destroy.

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terraform apply

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޿ࠂ഑৴γεςϜͷ։ൃͰ͸Ͳ͏࢖͍ͬͯΔͷ͔

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൥ࡶʹͳΓ͕ͪͳΠϯϑϥΛίʔυԽͯ͠؅ཧ

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AWSͷαʔϏε͝ͱʹϑΝΠϧΛ෼͚ͯ؅ཧ͍ͯ͠Δɻ

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ଞͷ։ൃͰ΋༗ޮ׆༻Ͱ͖Δ • ֤αʔϏεͷAWS؀ڥΛඪ४Խͯ͠TerraformԽ͢Δ͜ͱͰɺ ߴ଎͔ͭ҆શʹΠϯϑϥߏஙΛߦ͏͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔɻ • ༰қʹςετ؀ڥΛߏங͢Δ͜ͱ͕Ͱ͖ɺ MicroservicesԽͨ࣌͠ͷςετ͕΍Γ΍͘͢ͳΔ

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͓·͚

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v0.7.0৽ػೳ • Data Resource • S3ͳͲ֎෦͔Β஋ΛಡΈࠐΜͰTerraform࣮ߦ͕Մೳ • Importػೳ • ݱࡏͷΠϯϑϥঢ়ଶ͔ΒTerraformͷίʔυΛੜ੒ʢtfϑ ΝΠϧͷΈʣ

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AWSͷΠϯϑϥߏங΋ίʔυԽ͠Α͏ʂ