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IaCでクラウドインフラの運⽤を効率化しよう 丸川祐考 日本オラクル株式会社 Solution Engineer 2021/12/17 1 Copyright © 2021, Oracle and/or its affiliates

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丸川 祐考 Masataka Marukawa 日本オラクル株式会社 ソリューション・エンジニア 2 Copyright © 2021, Oracle and/or its affiliates @mmarukaw Twitter/GitHub/Qiita

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3 Copyright © 2021, Oracle and/or its affiliates Agenda 1. Infrastructure as Code と OCIでの活用 2. OCIでのTerraformの利用 3. OCI Resource Manager

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Infrastructure as Code と OCIでの活用 4 Copyright © 2021, Oracle and/or its affiliates

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IT Copyright © 2021, Oracle and/or its affiliates 5 • • • • IT • • • • • DevOps • Infrastructure-as-Code

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Infrastructure as Code IT ( ) Kief Morris - Infrastrucrue as Code 2nd Edition – O'reilly 2020 Infrastructure as Code (IaC) Copyright © 2021, Oracle and/or its affiliates 6 DEPLOY DELIVER TEST BUILD CODE Infrastructure

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• IT • IT (装 ) • IT 装 • • • • DevOps Infrastructure as Code (IaC) Copyright © 2021, Oracle and/or its affiliates 7 GUI

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8 IaC - Virtual Machine Virtual Cloud Network Internet Gateway Route Table Security Lists Block Storage Subnet • ) • “ ” ” ” Copyright © 2021, Oracle and/or its affiliates

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9 Copyright © 2021, Oracle and/or its affiliates 1. (Bash, Perl, PowerShell, Ruby, Python… +SDK) • (Procedural) 2. (DSL) (CFEngine, Puppet, Chef, Ansible) • ( ) (=Declarative) 3. (Terraform, CloudFormation) • (=Idenpotency) (= ) 4. (Pulumi, AWS CDK ) • TypeScript, Python, Java • ( ) 2000 2010 2020

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• (Declarativity) • ( ) ( ) (Idempotency) • ( ) • ( ) • – 10 yum install nginx yum: name: nginx state: installed (= ) Copyright © 2021, Oracle and/or its affiliates

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Copyright © 2021, Oracle and/or its affiliates 11 SDKs Java, Python, TypeScript/JavaScript, .NET, Ruby, Go, PL/SQL, CLI Terraform OCI Provider Ansible Collections OCI API REST Endpoints Resource Manager OCI

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OCI での Terraform の利用 12 Copyright © 2021, Oracle and/or its affiliates

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Terraform HashiCorp • • (300+) • HCL (HashiCorp Configuration Language) (DSL) • (State) ( OK) • Terraform – 13 Copyright © 2021, Oracle and/or its affiliates

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14 Terraform – Terraform (GRUD ) • • Provider $ terraform apply • ( ) • $ terraform apply • • $ terraform destroy • $ terraform show • $ terraform graph Copyright © 2021, Oracle and/or its affiliates

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15 Terraform – Terraform Core Provider Terraform Plugins Provisioners Client Library GO HTTP(S) Cloud *.tf JSON OR State .tfstate State (terraform.tfstate) Terraform state REST API Provider State Copyright © 2021, Oracle and/or its affiliates

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https://github.com/terraform-providers/terraform-provider-oci/blob/master/examples/networking/vcn/vcn.tf resource "oci_core_virtual_network" "vcn1" { cidr_block = "10.0.0.0/16" dns_label = "vcn1" compartment_id = "var.compartment_ocid" display_name = "vcn1" } resource "oci_core_instance" "instance1" { availability_domain = data.oci_identity_availability_domain.ad1.name compartment_id = var.compartment_ocid display_name = "be-instance1" shape = var.instance_shape metadata = { user_data = base64encode(var.user-data) } } Terraform Copyright © 2021, Oracle and/or its affiliates 16

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デモ Copyright © 2021, Oracle and/or its affiliates 17 Terraformサンプルを利用したOCIリソースの作成、変更 • https://github.com/terraform-providers/terraform-provider-oci/tree/master/examples

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OCI Resource Manager 18 Copyright © 2021, Oracle and/or its affiliates

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Infrastructure-as-Code OCI ( ) OCI Resource Manager 19 = Terraform-as-a-Service • Terraform OCI • HCL(HashiCorp Configuration Language) Terraform • (State) OCI OCI • OCI CRUD • OCI API IAM Audit OCI • OCI (Discovery / ) Copyright © 2021, Oracle and/or its affiliates Resource Manager

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Terraform • Terraform • OCI Resource Manager • • Resource Manager • WebUI/CLI/API Terraform OCI Resource Manager Copyright © 2021, Oracle and/or its affiliates 20

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21 Terraform vs. OCI Resource Manager Terraform OCI Resource Manager State terraform OCI RM • RM • state • OCI IAM • Stack. Terraform Copyright © 2021, Oracle and/or its affiliates

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• OCI • Terraform (.tf) • : Plan, Apply, Destroy State • (.tfstate) • Resource Manager • • OCI Resource Manager Copyright © 2021, Oracle and/or its affiliates 22 1 2 3 State Destroy Apply Plan 1 2 … .tf Resource Manager

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23 OCI Resource Manager – Terraform Terraform https://docs.cloud.oracle.com/iaas/Content/ResourceManager/Concepts/resourcemanager.htm#workflow Plan ' Terraform Apply State Destroy Copyright © 2021, Oracle and/or its affiliates

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デモ Copyright © 2021, Oracle and/or its affiliates 24 OCI Resource Managerを利用したOCIリソースの作成 • テンプレートを利用したネットワークリソースの作成 • zipしたTerraform構成ファイルをアップロードしてロードバランサとWebサーバーを構成 • ソースコードリポジトリ (GitHub) と連携した構成の実行

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… Copyright © 2021, Oracle and/or its affiliates 25

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Terraform • Resource Manager • HCL Oracle Cloud Infrastructure • Copyright © 2021, Oracle and/or its affiliates 26

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Resource Manager (=state ) OCI = Copyright © 2021, Oracle and/or its affiliates 27

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Ansible ← AVAILABLE OCI DevOps Resource Manager Copyright © 2021, Oracle and/or its affiliates 28

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Infrastructure-as-code Oracle Cloud Infrastructure OCI Resource Manager / Terraform OCI IaC Copyright © 2021, Oracle and/or its affiliates 29

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Thank you Copyright © 2021, Oracle and/or its affiliates 30