Setup

1. Install rustup https://www.rust-lang.org/tools/install
2. Install wasm target

rustup target add wasm32-wasi

3. Install Kind

brew install kind

4. Install istioctl

curl -L https://istio.io/downloadIstio | ISTIO_VERSION=1.10.4 TARGET_ARCH=x86_64 sh -
cd istio-1.10.4
export PATH=$PWD/bin:$PATH

5. Create istio cluster

kind create cluster --name istio-testing
kubectl config use-context kind-istio-testing

6. Install istio

istioctl install --set profile=demo -y

7. Setup demo app

kubectl apply -f https://raw.githubusercontent.com/istio/istio/master/samples/bookinfo/platform/kube/bookinfo.yaml

8. Test setup

kubectl exec "$(kubectl get pod -l app=ratings -o jsonpath='{.items[0].metadata.name}')" -c ratings -- curl -sS productpage:9080/productpage | grep -o "<title>.*</title>"

Build

1. Build and copy wasm binary to root directory

cargo build --target wasm32-wasi --release