#!/bin/sh
set -xe

export K3D_VERSION=${K3D_VERSION:-"1.3.0-dev.0"}
export KUBECTL_VERSION=${KUBECTL_VERSION:-"$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)"}
export HELM_VERSION=${HELM_VERSION:-"2.14.2"}
export TERRAFORM_VERSION=${TERRAFORM_VERSION:-"1.1.7"}
export ISTIO_VERSION=${ISTIO_VERSION:-"1.1.7"}
export KNATIVE_VERSION=${KNATIVE_VERSION:-"0.7.0"}
export CERT_MANAGER_VERSION=${CERT_MANAGER_VERSION:-"0.6.1"}

curl -L -o k3d https://github.com/rancher/k3d/releases/download/v${K3D_VERSION}/k3d-linux-amd64
curl -LO https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl
chmod 700 k3d kubectl
mv k3d kubectl ~/.local/bin/

curl -sSL https://get.helm.sh/helm-v${HELM_VERSION}-linux-amd64.tar.gz | tar xvz
mv linux-amd64/{helm,tiller} ~/.local/bin/
rm -rf linux-amd64/

curl -LO https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip
unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip
rm terraform_${TERRAFORM_VERSION}_linux_amd64.zip
mv terraform ~/.local/bin/

# TODO version tag
curl -LO https://github.com/jbussdieker/tiller-ssl-terraform/raw/master/tiller_certs.tf

# Download and unpack Istio
# TODO version tag
curl -L https://git.io/getLatestIstio | sh -
cd istio-${ISTIO_VERSION}

# Download Knative
curl -LO https://github.com/knative/build/releases/download/v${KNATIVE_VERSION}/build.yaml
curl -LO https://github.com/knative/serving/releases/download/v${KNATIVE_VERSION}/serving.yaml
curl -LO https://github.com/knative/serving/releases/download/v${KNATIVE_VERSION}/monitoring.yaml
curl -LO https://github.com/knative/eventing/releases/download/v${KNATIVE_VERSION}/release.yaml

curl -sSL https://github.com/jetstack/cert-manager/archive/v${CERT_MANAGER_VERSION}.tar.gz | tar xz