58 lines
1.3 KiB
Markdown
58 lines
1.3 KiB
Markdown
# Argo Rollouts - Blue/Green
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## Requirements
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1. Running Kubernetes cluster
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2. Argo Rollouts CLI
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3. Deployed app in specific version
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## Objectives
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1. Install Argo Rollouts controller
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2. Write a rollout manifest that use blue/green deployment and apply it
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1. Set it to 3 replicas
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2. Disable auto-promotions
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3. Check the rollout list
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4. Rollout a new version of your app in any way you prefer
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1. Check the status of the rollout
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## Solution
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Installation:
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1. `kubectl create namespace argo-rollouts`
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1. `kubectl apply -n argo-rollouts -f https://github.com/argoproj/argo-rollouts/releases/latest/download/install.yaml`
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2. Rollout resource:
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```
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---
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apiVersion: argoproj.io/v1alpha1
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kind: Rollout
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metadata:
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name: some-app
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spec:
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replicas: 3
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strategy:
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blueGreen:
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autoPromotionEnabled: false
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selector:
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matchLabels:
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app: some-web-app
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template:
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metadata:
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labels:
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app: some-web-app
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spec:
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containers:
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- name: web-app
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image: some/registry/and/image:v1.0
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ports:
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- name: http
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containerPort: 8080
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protocol: TCP
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```
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3. `kubectl argo rollouts list rollouts`
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4. `kubectl argo rollouts set image SOME-APP web-app=some/registry/and/image:v2.0`
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1. `kubectl argo rollouts get rollout some-app --watch` |