Post on 21-Jan-2018
Senior System Architect, Google Developer Expert, Authorised Trainer
BUILDING RESILIENT CLOUD NATIVE APPS IN GKEJERRY JALAVA - QVIK
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FROM MONOLITHS TO CLOUD NATIVE
A BIT OF HISTORY
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THERE, WE HAVE FIXED IT…
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NETFLIX TWITTER THE EMPIRE
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HOW IS IT DIFFERENTCLOUD NATIVE
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MICROSERVICES CONTAINERIZED DYNAMICALLY ORCHESTRATED
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THE CNCF REFERENCE ARCHITECTURE
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QUICK INTROKUBERNETES & GKE
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KUBERNETES (K8s)
‣ Ancient Greek for “pilot” or “helmsman”; root of the English word “governor”
‣ Orchestrator for containers
‣ Supports multi-cloud environments
‣ Started by Google
‣ Open source https://github.com/kubernetes
‣ Manage applications, not machines
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GOOGLE CONTAINER ENGINE‣ Fully Managed
‣ Auto scale, Auto Upgrade, Auto repair
‣ Great access control
‣ Google maintains security updates, etc
‣ In-place upgrades
‣ Container-optimised OS
‣ Near zero maintenance requirements
‣ No vendor lock-in
‣ Integrated Logging & Monitoring
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OTHER BENEFITS FROM GCP‣ Central Logging, Tracing, Other dev tools
‣ Most performant hardware
‣ GPU support
‣ Global LB (>1M QPS)
‣ Wonderful pricing
‣ Per-minute Billing
‣ Sustained use discounts
‣ preemptible VMs
‣ Custom Machine Types
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RBACENHANCED K8S SECURITY
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CREATE A CLUSTER IN GKE WITH RBAC ENABLED
DEMO
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NAMESPACESENHANCED K8S SECURITY
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MANAGING NAMESPACESDEMO
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AND MOVE TO THE NEXT TOPIC
LETS SKIP REST OF THE K8S FUNDAMENTALS
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WHAT IS IT AND WHY SHOULD I CARE
SERVICE MESH
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DOES MORE THAN TRANSFER PACKETS FROM A TO B
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‣ latency-aware Load Balancing
‣ Service discovery
‣ Tracing
‣ Circuit Breakers
‣ Retries & Deadlines
‣ Canarying
‣ Load Shedding
‣ Error Tracking
‣ Metrics
‣ Service Metrics
‣ Logging
‣ Timeouts
‣ Epirations
‣ Security Policies
‣ Back-offs
‣ Retry Budgets
‣ Dynamic Routing
FEW OPEN-SOURCE PROJECTS AVAILABLE
THERE ARE
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LINKERD.IO ISTIO.IO
ISTIO CONCEPT
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WE ARE USING LINKERD TODAY
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WE ARE USING LINKEDTODAY
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DEPLOYING LINKERDDEMO
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STAGING MICROSERVICES
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STAGING MICROSERVICES
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STAGING MICROSERVICES
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CANARY DEPLOYMENTSDEMO
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CONTINUOUS DELIVERY
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CONTINUOUS DELIVERY
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CONTINUOUS DELIVERY
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EXTRA BENEFITS FROM GOOGLE CLOUD PLATFORM
DEMO
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SOME RESOURCES‣ linkerd.io ‣ https://buoyant.io/2016/10/04/a-service-mesh-for-
kubernetes-part-i-top-line-service-metrics/ ‣ istio.io ‣ http://redmonk.com/jgovernor/2017/05/31/so-what-even-
is-a-service-mesh-hot-take-on-istio-and-linkerd/ ‣ cncf.io ‣ cloud.google.com/container-engine/ ‣ github.com/jerryjj (Demo sources coming soon)
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THANK YOU!
LET’S CREATE IT TOGETHER
jerry@qvik.fi | @W_I