#!/bin/bash

#Download and unpack istio
ISTIO_VERSION=1.4.4
curl -L https://git.io/getLatestIstio | sh -
cd istio-${ISTIO_VERSION}

#Install istio CRDs
for i in install/kubernetes/helm/istio-init/files/crd*yaml; do kubectl apply -f $i; done

kubectl apply -f ../istio-namespace.yml

helm template --namespace=istio-system \
  --set prometheus.enabled=false \
  --set mixer.enabled=false \
  --set mixer.policy.enabled=false \
  --set mixer.telemetry.enabled=false \
  --set pilot.sidecar=false \
  --set pilot.resources.requests.memory=128Mi \
  --set galley.enabled=false \
  --set global.useMCP=false \
  --set security.enabled=false \
  --set global.disablePolicyChecks=true \
  --set sidecarInjectorWebhook.enabled=false \
  --set global.proxy.autoInject=disabled \
  --set global.omitSidecarInjectorConfigMap=true \
  --set gateways.istio-ingressgateway.autoscaleMin=1 \
  --set gateways.istio-ingressgateway.autoscaleMax=1 \
  --set pilot.traceSampling=100 \
  install/kubernetes/helm/istio \
  > ./istio-lean.yaml

kubectl apply -f istio-lean.yaml

cd ..

#Install Knative
kubectl apply --selector knative.dev/crd-install=true \
--filename https://github.com/knative/serving/releases/download/v0.9.0/serving.yaml \
--filename https://github.com/knative/eventing/releases/download/v0.9.0/release.yaml

#This is needed because some CRDs do get installed properly
kubectl apply --selector knative.dev/crd-install=true \
--filename https://github.com/knative/serving/releases/download/v0.9.0/serving.yaml \
--filename https://github.com/knative/eventing/releases/download/v0.9.0/release.yaml

kubectl apply --filename https://github.com/knative/serving/releases/download/v0.9.0/serving.yaml \
--filename https://github.com/knative/eventing/releases/download/v0.9.0/release.yaml