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Installing protoc

Run brew install protobuf or make install-protobuf

Running the chaos dogfood server & client locally using Lima

Setup

(0) Ensure Lima is running

From the root directory, make sure you have already setup Lima: chaos-controller >> make lima-start

(1) Build the gRPC client and server images

Go into the dogfood directory to use its Makefile, and build the two images: chaos-controller >> cd dogfood chaos-controller/dogfood >> make lima-push-dogfood

They will be pushed your local docker repository as k8s.io/chaos-dogfood-client & k8s.io/chaos-dogfood-server.

(2) Deploy a gRPC client and server to Lima

Create the chaos-demo namespace (if necessary) and kubectl apply both Helm charts with this target: chaos-controller/dogfood >> make install

Development

(3) See your pods

Get pod name (such as chaos-dogfood-client-84596b6c5-8kdxl or chaos-dogfood-server-5fdcff889f-hblj2): chaos-controller/dogfood >> kubectl -n chaos-demo get pods -o wide

Sample kubectl output:

NAME                                    READY   STATUS        RESTARTS   AGE
chaos-dogfood-client-59bccfd49c-rn5wl   1/1     Running       0          41s
chaos-dogfood-server-854cc5f49d-gjbnc   1/1     Running       0          4s
Sample client logs

chaos-controller/dogfood >> kubectl -n chaos-demo logs -l app=chaos-dogfood-client

Might output:

connecting to chaos-dogfood-server.chaos-demo.svc.cluster.local:50051...
x
| catalog: 0 items returned ()
| ERROR ordering food: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial tcp 10.96.24.54:50051: connect: connection refused"
| ordered:
x
| catalog: 3 items returned (cat, dog, cow)
| ordered: Meowmix is on its way!
x
| catalog: 3 items returned (cow, cat, dog)
| ERROR ordering food: rpc error: code = Unknown desc = Sorry, we don't deliver food for your mouse =(
| ordered:
x
| catalog: 3 items returned (cow, cat, dog)
| ordered: Chewey is on its way!
x
| catalog: 3 items returned (cat, dog, cow)
| ordered: Meowmix is on its way!
x
| catalog: 3 items returned (cat, dog, cow)
| ERROR ordering food: rpc error: code = Unknown desc = Sorry, we don't deliver food for your mouse =(
| ordered:
x
Sample server logs

chaos-controller/dogfood >> kubectl -n chaos-demo logs -l app=chaos-dogfood-server Might output:

listening on :50050...
x
| returned catalog
| proccessed order - animal:"cat"
x
| returned catalog
| * DECLINED ORDER - animal:"mouse"
x
| returned catalog
| proccessed order - animal:"dog"
x
| returned catalog
| proccessed order - animal:"cat"
x
| returned catalog
| * DECLINED ORDER - animal:"mouse"
x
| returned catalog
| proccessed order - animal:"dog"
x

(4) Apply your disruptions

You can kubectl apply -f examples/<disruption.yaml> for any example/ disruption files. For gRPC disruption, you can follow these detailed steps.

Clean up

  • Run make uninstall to kubectl delete both charts as well as remove the namespace.