curl -sL https://run.linkerd.io/install | sh
export PATH=$PATH:$HOME/.linkerd2/bin
linkerd install | kubectl apply -f -
git clone https://github.com/mehrdadrad/servicemesh-examples.git
cd servicemesh-examples/k8s
kubectl apply -f backend.yaml
kubectl apply -f middleware.yaml
kubectl apply -f frontend.yaml
kubectl get deploy/frontend-deployment -o yaml | linkerd inject - \ | kubectl apply -f -
kubectl get deploy/middleware-deployment -o yaml | linkerd inject - \ | kubectl apply -f -
kubectl get deploy/backend-deployment -o yaml | linkerd inject - \ | kubectl apply -f -
kubectl get pods
NAME READY STATUS RESTARTS AGE
backend-deployment-7c65c5cdbf-6gs9z 2/2 Running 0 3h19m
backend-deployment-7c65c5cdbf-m2ckt 2/2 Running 0 3h19m
frontend-deployment-697fb6566-prpd7 2/2 Running 0 4m5s
frontend-deployment-697fb6566-z78sx 2/2 Running 0 4m12s
middleware-deployment-7599d78474-d4ftv 2/2 Running 0 4m24s
middleware-deployment-7599d78474-lxrjm 2/2 Running 0 4m11s
kubectl get svc frontend-external
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
frontend-external LoadBalancer 10.107.208.163 192.168.55.102 8082:32415/TCP 16h
while true; do curl 192.168.55.102:8082/time; sleep 2; done
linkerd stat deploy
NAME MESHED SUCCESS RPS LATENCY_P50 LATENCY_P95 LATENCY_P99 TCP_CONN
backend-deployment 2/2 100.00% 0.5rps 75ms 98ms 100ms 6
frontend-deployment 2/2 100.00% 0.5rps 75ms 98ms 100ms 2
middleware-deployment 2/2 100.00% 0.5rps 75ms 98ms 100ms 6
linkerd top deploy
(press q to quit)
Source Destination Method Path Count Best Worst Last Success Rate
frontend-deployment-697fb6566-5s4rw middleware-deployment-7599d78474-kn4hn GET /time 24 74ms 108ms 107ms 100.00%
frontend-deployment-697fb6566-5s4rw middleware-deployment-7599d78474-wqw8r GET /time 24 78ms 96ms 88ms 100.00%
10.44.0.0 frontend-deployment-697fb6566-5s4rw GET /time 24 87ms 111ms 93ms 100.00%
middleware-deployment-7599d78474-kn4hn backend-deployment-5649869497-dtscv GET /time 22 70ms 97ms 83ms 100.00%
backend-deployment-5649869497-dtscv 12.23.14.17 GET / 22 68ms 89ms 72ms 100.00%
middleware-deployment-7599d78474-wqw8r backend-deployment-5649869497-dtscv GET /time 22 70ms 87ms 77ms 100.00%
middleware-deployment-7599d78474-kn4hn backend-deployment-5649869497-rvvwc GET /time 22 74ms 99ms 77ms 100.00%
backend-deployment-5649869497-rvvwc 12.23.14.17 GET / 22 70ms 93ms 76ms 100.00%
middleware-deployment-7599d78474-wqw8r backend-deployment-5649869497-rvvwc GET /time 22 74ms 88ms 80ms 100.00%
frontend-deployment-697fb6566-57h48 middleware-deployment-7599d78474-wqw8r GET /time 20 77ms 98ms 84ms 100.00%
frontend-deployment-697fb6566-57h48 middleware-deployment-7599d78474-kn4hn GET /time 20 83ms 107ms 87ms 100.00%
10.44.0.0 frontend-deployment-697fb6566-57h48 GET /time 20 85ms 112ms 94ms 100.00%
linkerd tap deploy/middleware-deployment
req id=17:0 proxy=in src=10.32.0.15:56874 dst=10.32.0.20:8081 tls=true :method=GET :authority=middleware.default.svc.cluster.local:8081 :path=/time
req id=17:1 proxy=out src=10.32.0.20:46488 dst=10.32.0.17:8080 tls=true :method=GET :authority=backend.default.svc.cluster.local:8080 :path=/time
rsp id=17:1 proxy=out src=10.32.0.20:46488 dst=10.32.0.17:8080 tls=true :status=200 latency=114343µs
end id=17:1 proxy=out src=10.32.0.20:46488 dst=10.32.0.17:8080 tls=true duration=73µs response-length=100B
rsp id=17:0 proxy=in src=10.32.0.15:56874 dst=10.32.0.20:8081 tls=true :status=200 latency=117368µs
end id=17:0 proxy=in src=10.32.0.15:56874 dst=10.32.0.20:8081 tls=true duration=72µs response-length=22B
linkerd tap deploy/frontend-deployment
req id=15:0 proxy=in src=10.44.0.0:57314 dst=10.32.0.15:8082 tls=not_provided_by_remote :method=GET :authority=192.168.55.102:8082 :path=/time
req id=15:1 proxy=out src=10.32.0.15:48382 dst=10.32.0.4:8081 tls=true :method=GET :authority=middleware.default.svc.cluster.local:8081 :path=/time
rsp id=15:1 proxy=out src=10.32.0.15:48382 dst=10.32.0.4:8081 tls=true :status=200 latency=89552µs
end id=15:1 proxy=out src=10.32.0.15:48382 dst=10.32.0.4:8081 tls=true duration=78µs response-length=22B
rsp id=15:0 proxy=in src=10.44.0.0:57314 dst=10.32.0.15:8082 tls=not_provided_by_remote :status=200 latency=95348µs
end id=15:0 proxy=in src=10.44.0.0:57314 dst=10.32.0.15:8082 tls=not_provided_by_remote duration=37µs response-length=35B
linkerd tap deploy/backend-deployment
req id=18:0 proxy=in src=10.32.0.20:44304 dst=10.32.0.3:8080 tls=true :method=GET :authority=backend.default.svc.cluster.local:8080 :path=/time
req id=18:1 proxy=out src=10.32.0.3:34434 dst=12.23.14.17:80 tls=not_provided_by_service_discovery :method=GET :authority=time.jsontest.com :path=/
rsp id=18:1 proxy=out src=10.32.0.3:34434 dst=12.23.14.17:80 tls=not_provided_by_service_discovery :status=200 latency=71557µs
end id=18:1 proxy=out src=10.32.0.3:34434 dst=12.23.14.17:80 tls=not_provided_by_service_discovery duration=63µs response-length=108B
rsp id=18:0 proxy=in src=10.32.0.20:44304 dst=10.32.0.3:8080 tls=true :status=200 latency=74675µs
end id=18:0 proxy=in src=10.32.0.20:44304 dst=10.32.0.3:8080 tls=true duration=54µs response-length=100B
linkerd dashboard &
