#!/bin/bash

echo ""
echo "... ] DEPLOYING SYSTEM SERVICES [ ..."

HOME=$( cd "$(dirname "$0")" && pwd )
source $HOME/config

if [ -f $HOME/config-coreapps ]; then
    echo "config-coreapps file FOUND :)"
    source $HOME/config-coreapps
else
    echo "config-coreapps file is missing."
    exit 1
fi

export KUBECONFIG=$ADMIN_KUBECONFIG
export HELM_CACHE_HOME=~/.cache/helm
export HELM_CONFIG_HOME=~/.config/helm
export HELM_DATA_HOME=~/.local/share/helm

# Setup kube-apiserver RBAC for kubelet authorization
kubectl apply -f yaml/system/kube-apiserver-to-kubelet-clusterrole.yaml
kubectl apply -f yaml/system/kube-apiserver-to-kubelet-clusterrolebinding.yaml

# Setup Calico SDN
kubectl apply -f yaml/calico/rbac-calico-etcd.yaml
printf "\ndeploying calico sdn...\n"
ECA64=$( base64 -w0 ${CA_DIR}/etcd-ca.crt )
ECERT64=$( base64 -w0 ${CA_DIR}/etcd.crt )
EKEY64=$( base64 -w0 ${CA_DIR}/etcd.key )
cat yaml/calico/calico-etcd.yaml | \
    sed -e "s@k8x_calico_etcd_endpoint@https://${ETCD_1_IP}:2379,https://${ETCD_2_IP}:2379,https://${ETCD_3_IP}:2379@g" | \
    sed -e "s@#\ etcd-ca:\ null@etcd-ca:\ ${ECA64}@g" | \
    sed -e "s@#\ etcd-cert:\ null@etcd-cert:\ ${ECERT64}@g" | \
    sed -e "s@#\ etcd-key:\ null@etcd-key:\ ${EKEY64}@g" | \
    sed -e "s@k8x_calico_pool@${CNI_NET}@g" | kubectl apply -f -

# Setup Helm package manager
printf "\nsetting up kubernetes helm repos...\n"
helm repo add stable https://kubernetes-charts.storage.googleapis.com
helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com
helm repo update

# Setup DNS
printf "\ndeploying coredns...\n"
kubectl apply -f yaml/coredns/coredns.yaml

# Setup Metrics provider
printf "\ndeploying metrics-server...\n"
kubectl apply -f yaml/metrics-server/components.yaml