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    # 使用Infrastructure from Code建置更彈性與可移植的雲端架構 - 李琦 (Rich) {%hackmd @DevOpsDay/B1cnefOI0 %} #### 》[議程介紹](https://devopsdays.tw/2024/speaker-page/573) #### 》[填寫議程滿意度問卷|回饋建言給辛苦的講者](https://forms.gle/hao4DWX7F99yrhPF6) > 共筆從這開始 # 講師: 李琦 Rich - Cloud Native Development - Microservices - Event-driven # Agenda - IaC 面臨的挑戰 - 工具 / 人 / 架構 - IfC 概念與工具 # Iac 的好處 - 自動化和效率 - 一致性與可重複性 - 版本控制 ( sing source of truch ) - 模組化與可移植性 ## 流程 - User → Iac Code → Terraform → environment ## 問題 ### Infrastructure Configuration Drift - 有人手動登入 web console 改了配置,一段時間後,Iac 與運行環境的設定不一致 !! ### 大部分的 Infrastructure 配置是根據 Application - Ordering - Partition ( Message Volume ) - Retry - Error Handing: ( DLQ ) ## 開發者面臨的挑戰 - 不同雲的運算服務不同 - 開發需使用不同雲 SDKs - 與開發相關服務設定 ( Secret Manager 、 Authn & Authz、Logging 等 ) ### Infra / SRE 工程師面臨的挑戰 - 不同雲 Infra 配置不同 - IaC 設定方式也不相同 ## 不同環境 Infra 配置不同 - 每一個 Topic 不同需要建置相對應的 Container - 需要建立的元件會依照不同雲原生環境而不同 ## 現在雲端應用使用 Serverless 與 Infrastructure 緊密相關 - Iaas Paas Saas 不同服務在雲上的成本價格不同 - 建議容器化使用 Serverless 託管應用 ## About Application Architecture ### Classic Iac - 傳統階層式佈署 ### Modern Cloud Automation - 使用交互式橫向方式佈署 > 雲端自動化重點不再於如何建置服務,而是如何關連與整合應用服務 # Infrastructure from Code Application Code > Instead of writing low-level, control-plane specific instructions, IfC infers requirements from application logic and provisions the optimal cloud infrastructure automatically. > - 針對目標環境動態產生 Application 請求 ## IfC Methods and Flow ## Benefits of IfC - Seamless Integration with Application Code - Improved Consistency - Dynamic Infrastructure - Iam,Security,etc - Enhanced Developer Productivity # IfC Tools ## Klotho ### Develop for local, deploy for the cloud # IfC Tools ## Klotho - 需要 pulumi 基礎 ### Develop for local, deploy for the cloud [GitHub - klothoplatform/klotho: Klotho - write AWS applications at lightning speed](https://github.com/klothoplatform/klotho) ### Klotho Capabilities Annotations - Execution Unit - Expose - Persist - Pub Sub ## Winglang - Preflight - 一次性類型 - Inflight ![image](https://hackmd.io/_uploads/HkrDRf6vR.png) > 重要的不是如何使用工具,而是思維改變 ###### tags: `DevOpsDays Taipei 2024` ## 相關連結 - [IfC concept](https://infrastructurefromcode.com/) - [Demo code](https://github.com/RICH0423/devopsdays2024-ifc-demo) --- ### 聊天區

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