From zero to hero with Kubernetes and Istio

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Sergii Bishyr

Deep dive: From zero to hero with Kubernetes and Istio

Software

4
Agenda
o Docker
o Kubernetes
o Istio
(+demo)
(+demo)
(+demo)

10
Infrastructure cost
Monolith Microservices
martinfowler.com/articles/microservice-trade-offs.html#ops

13blog.netapp.com/blogs/containers-vs-vms
Containers

21
Operational complexity
Node 1 Node 2 Node 3

22
Operational complexity
Node 1 Node 2 Node 3

23
Orchestration
martinfowler.com/articles/microservice-trade-offs.html#ops
Expectation Reality

30
Service Types
ClusterIP
NodePort
LoadBalancer
ExternalName
<NodeIP>:<NodePort>
<ExternalIP>
www.example.com

33
Namespaces
Namespace: Default Namespace: Other

36
Distributed world
SERVICE A SERVICE B
Network

37
Distributed world
SERVICE A SERVICE B
Magic
Network

41
Istio Data Plane
SERVICE
PROXY
SERVICE
PROXY
SERVICE
PROXY
SERVICE
PROXY
SERVICE
PROXY
SERVICE
PROXY

43
Istio Control Plane
Pilot Mixer Citadel
Configs Telemetry,
Policy checks
TLS certs

45
Resiliency
SERVICE A SERVICE BRetry
Timeout

46
Unhealthy service
SERVICE A
SERVICE BSERVICE BSERVICE B

47
Circuit breaker
SERVICE A
SERVICE BSERVICE BSERVICE B

48
Circuit breaker
SERVICE A
SERVICE BSERVICE B

53
Rolling update
SERVICE A
SERVICE B
v1
SERVICE B
v2
SERVICE B
v1
SERVICE B
v1
SERVICE B
v2
SERVICE B
v2

54
Blue-Green deployment
SERVICE A
SERVICE B
v1
SERVICE B
v2
TESTS

55
Canary deployment
SERVICE A
SERVICE B
v1
SERVICE B
v2

56
A/B Testing
SERVICE A
SERVICE B
v1
SERVICE B
v2

57
Shadow deployment
SERVICE A
SERVICE B
v1
SERVICE B
v2

58
Advanced routing
SERVICE A
SERVICE B
v1
SERVICE B
v2

59
Encryption
SERVICE A SERVICE B
Citadel

60
Observability
Mixer
Tracing
Metrics
Logging
etc.
SERVICE SERVICESERVICE

64
Summary
o Docker for running multiple instances
o Kubernetes for orchestration microservices
o Istio to connect, secure, control and observe
o Tools can help, but won’t do your job

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