isabella232 / apps-5

applications

Chaos Apps

Three data centers demo

Data center server topography

DC-A	DC-B	DC-C
busybox-0	busybox-3	busybox-6
busybox-1	busybox-4	busybox-7
busybox-2	busybox-5	busybox-8

The latency between different DCs

DCs	Latency
A <--> B	10ms
A <--> C	20ms
B <--> C	30ms

# Create apps run on three centers
kubectl apply -f https://raw.githubusercontent.com/chaos-mesh/apps/master/three-centers/busybox-statefulset.yaml

# Create network delays on three centers
kubectl apply -f https://raw.githubusercontent.com/chaos-mesh/apps/master/three-centers/network-delay.yaml

# Then you can ping different pod
kubectl exec busybox-0 -it -n busybox -- ping -c 2 busybox-3.busybox.busybox.svc
# PING busybox-3.busybox.busybox.svc (10.244.3.10): 56 data bytes
# 64 bytes from 10.244.3.10: seq=0 ttl=63 time=10.808 ms
# 64 bytes from 10.244.3.10: seq=1 ttl=63 time=10.419 ms

kubectl exec busybox-0 -it -n busybox -- ping -c 2 busybox-6.busybox.busybox.svc
# PING busybox-6.busybox.busybox.svc (10.244.3.11): 56 data bytes
# 64 bytes from 10.244.3.11: seq=0 ttl=63 time=20.118 ms
# 64 bytes from 10.244.3.11: seq=1 ttl=63 time=20.358 ms

kubectl exec busybox-3 -it -n busybox -- ping -c 2 busybox-6.busybox.busybox.svc
# PING busybox-6.busybox.busybox.svc (10.244.3.11): 56 data bytes
# 64 bytes from 10.244.3.11: seq=0 ttl=63 time=30.219 ms
# 64 bytes from 10.244.3.11: seq=1 ttl=63 time=30.367 ms

# clean up data center and chaos
kubectl delete -f https://raw.githubusercontent.com/chaos-mesh/apps/master/three-centers/network-delay.yaml
kubectl delete -f https://raw.githubusercontent.com/chaos-mesh/apps/master/three-centers/busybox-statefulset.yaml