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Introduction of Traefik as
a Kubernetes Ingress Controller
Kubernetes & Cloud Naitive Meetup w/ Liz Rice
25.Oct.2018 - Ikki Shoka @ichigo_abc
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Who are you?
New Grad Infrastructure Engineer
Twitter @ichigo_abc
Github ❤️ ichigism
Jinsei is difficult
Experience:
- Kubernetes 1.5 months ago
- Traefik 5 deys ago
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Table of Content
• What is Traefik
• Architecture
• Web UI
• Use Traefik as Ingress Controller
• Next…
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What is Traefik?
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What is Traefik?
✓ The Cloud Native Edge Router
✓ Provides stuff like a modern reverse proxy and load balancing
✓ It contains one of CNCF’s Service Proxies
✓ for microservices
✓ Writtin in Go
✓ First Commit 3 years ago
✓ Github ★ 18,277
✓ Latest version 1.7.3
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Features
✓Continuously updates its configuration (No restarts❤️)
✓High Availability with cluster mode (beta)
✓Have a simple web UI
✓Websocket, HTTP/2, GRPC ready
✓Circuit breakers
✓Let’s Encrypt
✓Single binary file
✓tiny official docker image : 17.38MB
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Architecture
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Architecture
Reference: https://docs.traefik.io/basics/
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Internal architecture
Reference: https://docs.traefik.io/basics/
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Web UI
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Web UI
✓Traefik Web UI is very simple and provide the magic
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Traefik as Ingress Controller
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Use Traefik as Ingress Controller
✓Can use Traefik Helm chart
✓For more information, check out the helm documentation.
✓It’s easy to use
✓Annotations change a configuration
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Annotation configuration
✓ Rate limiting
✓ Redirects
✓ Whitlist
✓ Custome Headers
✓ ….
EntryPoint＆
Frontend
Backend
✓ Load-balancing
✓ Circuit breakers
✓ Maximum Connection
✓ Sticky Sessions
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Other anottations
- traefik.ingress.kubernetes.io/service-weights: |
my-app: 99%
my-app-canary: 1%
- traefik.ingress.kubernetes.io/priority: "3“
- Traefik.ingress.kubernetes.io/auth-type: basic
- traefik.ingress.kubernetes.io/redirect-entry-point: https
- …
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Thank you for listening