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Openai/6922b829-b5f0-8001-a6d8-95709f92afb3
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{{DISPLAYTITLE:Argo Rollouts 介紹}} ''This conversation was exported from ChatGPT''<ref>{{cite web|title=Argo Rollouts 介紹|url=https://chatgpt.com/share/6922b829-b5f0-8001-a6d8-95709f92afb3|publisher=ChatGPT|access-date=2025-11-24}}</ref> == gpt-5-1 == === User: 簡單介紹Argo Rollouts === 簡單介紹Argo Rollouts === Assistant: 下面給你一個 超簡單、超清楚 的 Argo Rollouts 介紹(用你 SRE/DevOps 的角度,秒懂版): === 下面給你一個 超簡單、超清楚 的 Argo Rollouts 介紹(用你 SRE/DevOps 的角度,秒懂版): === 🚀 Argo Rollouts 是什麼? === Argo Rollouts 是一個 Kubernetes 的 Progressive Delivery Controller 用來實現 金絲雀部署 (Canary)、藍綠部署 (Blue-Green)、灰度流量控制、自動回滾 / 自動推進 的工具。 它是 Deployment 的加強版 —— 不是取代 Deployment,而是提供更進階的發布能力。 === 🔧 能做什麼?(一句話版本) === ===== ✔ Canary ===== 逐步釋出流量,例如: * 5% → 20% → 50% → 100% 搭配指標監控(Prometheus/Datadog/SkyWalking)自動決定是否繼續。 ===== ✔ Blue-Green ===== 保持兩個版本(blue / green), 用 Service 或 Ingress 切換到新版本。 切換後若有問題 → 一鍵 Undo 回上一版。 ===== ✔ Progressive Delivery ===== 逐步 + 自動 + 可監測的部署。 ===== ✔ Pause / Resume / AutoPromotion ===== 你可以控制 rollout 在每一階段是否要自動推進或手動確認。 ===== ✔ Undo / Rollback 超快 ===== 因為兩版本都已經 ready,回滾幾乎是瞬間。 === 🧩 它與 Deployment 差在哪? === | 功能 | Deployment | Argo Rollouts | | ------------- | ------------------- | --------------- | | Canary 流量控制 | ❌ 不支援 | ✔ 支援 (細到 1%) | | Blue-Green | ⚠ 需自行用兩個 Deployment | ✔ 內建 | | 自動回滾 | 普通 | ✔ 依監控自動判斷 | | 自動推進 | ❌ | ✔ AutoPromotion | | 分階段 Pause | ❌ | ✔ | | 實驗 (A/B test) | ❌ | ✔ 支援兩版本同時跑 | === 🔥 為什麼大家用它? === * 比 Deployment 更安全 → 不怕一次放大爆炸 * 比手動切換更省力 → 自動化 + 可觀察 * 與 Istio / NGINX Ingress / SMI 都能整合(你常用的 IngressGateway / VS 也能導入) === 🛠 必備組件(你環境常用的) === * Rollout CRD(取代 Deployment) * Argo Rollouts Controller * (可選)Argo Rollouts Dashboard * (可選)Service Mesh 或 Ingress 控流: - Istio VirtualService - NGINX Ingress + annotations - SMI === 🧪 一段最精簡的 Canary YAML === <syntaxhighlight lang="yaml">apiVersion: argoproj.io/v1alpha1 kind: Rollout metadata: name: demo spec: replicas: 4 strategy: canary: steps: * setWeight: 20 * pause: { duration: 60 } * setWeight: 50 * pause: {} </syntaxhighlight> === 📌 一句總結 === : Argo Rollouts = 比 Deployment 更聰明、可控、安全的 Progressive Release 工具。 如果你願意,我也可以 ✔ 幫你做圖示架構圖 ✔ 幫你寫一個可直接套用在你 FAC PRS / API Gateway 的 example ✔ 解釋 autoPromotion 對 undo 的影響(你剛好問過) ✔ 寫成投影片版本 要哪一個? == References == <references /> [[Category:ChatGPT Shares]] [[Category:openai]]
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