Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)

Channy Yun
Channy YunTechnical Evangelist at Amazon Web Services, Daum, Nine4u
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everything will eventually
fail over time.
https://www.allthingsdistributed.com/2016/03/10-lessons-from-10-years-of-aws.html
https://www.youtube.com/watch?v=zoz0ZjfrQ9s
Amazon 2006
GameDay: Creating
Resiliency Through
Destruction
Jesse Robbins
Netflix 2011
Chaos Monkeys:
Test the resilience
of its Infrastructure
Simian Army – Open Source
https://github.com/Netflix/SimianArmy
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Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
Chaos doesn’t cause problems.
It reveals them.
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!
https://www.oreilly.com/webops-
perf/free/chaos-engineering.csp
http://principlesofchaos.org/
http://channy.creation.net/blog/netflix-
principles-of-chaos-engineering
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Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
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Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
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Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
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) 5
Microservices (applications)
DevOps(Culture)
C
haos
Engineering
Cloud (Scale)
Chaos Toolkit
PowerfulSeal
Gremlin
mycluster.eks.amazonaws.com
Availability
Zone 1
Availability
Zone 2
Availability
Zone 3
Kubectl
mycluster.eks.amazonaws.com
Availability
Zone 1
Availability
Zone 2
Availability
Zone 3
Kubectl
x
x
Health check?
Dead node?
https://github.com/asobti/kube-monkey
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apiVersion: apps/v1
kind: Deployment
. . .
template:
metadata:
labels:
app: greeting
kube-monkey/enabled: enabled
kube-monkey/identifier: redis-master
kube-monkey/mtbf: 2
kube-monkey/kill-mode: random-max-percent
kube-monkey/kill-value: 40
spec:
containers:
- name: greeting
apiVersion: v1
kind: Confirm
metadata:
name: kube-monkey-config-map
namespace: kube-system
data:
config.toml: |
[kubemonkey]
run_hour = 8
start_hour = 10
end_hour = 16
blacklisted_namespaces = ["kube-system"]
whitelisted_namespaces = [”default”]
time_zone = “UTC”
.
Amazon EKS
Chaos Toolkit
PowerfulSeal
Gremlin
Service Mesh Plane
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Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
name: ratings-destination-rule
spec:
host: ratings
subsets:
- name: ratings
labels:
ratings: hello
trafficPolicy:
connectionPool:
tcp:
maxConnections: 100
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: reviews
spec:
hosts:
- reviews
http:
- route:
- destination:
host: reviews
subset: v1
weight: 75
- destination:
host: reviews
subset: v2
weight: 25
Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: ratings
spec:
hosts:
- ratings
http:
- fault:
delay:
fixedDelay: 10s
percent: 100
route:
- destination:
host: ratings
subset: v1
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
name: ratings
spec:
hosts:
- ratings
http:
- fault:
abort:
httpStatus: 500
percent: 100
route:
- destination:
host: ratings
subset: v1
Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
https://github.com/chaostoolkit/chaostoolkit-kubernetes
& & &
https://help.gremlin.com/installation/#ho
w-to-install-gremlin-with-kubernetes
https://github.com/bloomberg/powerfulseal
https://www.youtube.com/watch?v=00BMn0UjsG4
Kubernates를 위한 Chaos Engineering in Action :: 윤석찬 (AWS 테크에반젤리스트)
https://bit.ly/2uKOJMQ
https://github.com/chaoseng/wg-chaoseng
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References
https://www.facebook.com/groups/chaosengkorea/
https://www.meetup.com/Korea-Chaos-Engineering-Community/
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