#!/usr/bin/env bash
set -xeuo pipefail

# Add cloudflare DNS as a fallback
# Get default gateway interface
IFACE=$(ip --json route list | jq '.[]|select(.dst == "default").dev' --raw-output)
# `Link 2 (eth0): 172.31.0.2`
ETH_DNS=$(resolvectl dns "$IFACE") || :
CLOUDFLARE_NS=1.1.1.1
if [[ "$ETH_DNS" ]] && [[ "${ETH_DNS#*: }" != *"$CLOUDFLARE_NS"* ]]; then
  # Cut the leading legend
  ETH_DNS=${ETH_DNS#*: }
  # shellcheck disable=SC2206
  new_dns=(${ETH_DNS} "$CLOUDFLARE_NS")
  resolvectl dns "$IFACE" "${new_dns[@]}"
fi

mkdir /home/ubuntu/registrystorage

sed -i 's/preserve_hostname: false/preserve_hostname: true/g' /etc/cloud/cloud.cfg

REGISTRY_PROXY_USERNAME=robotclickhouse
REGISTRY_PROXY_PASSWORD=$(aws ssm get-parameter --name dockerhub_robot_password --with-decryption | jq '.Parameter.Value' -r)

docker run -d --network=host -p 5000:5000 -v /home/ubuntu/registrystorage:/var/lib/registry -e REGISTRY_HTTP_ADDR=0.0.0.0:5000 -e REGISTRY_STORAGE_DELETE_ENABLED=true -e REGISTRY_PROXY_REMOTEURL=https://registry-1.docker.io -e REGISTRY_PROXY_PASSWORD="$REGISTRY_PROXY_PASSWORD" -e REGISTRY_PROXY_USERNAME="$REGISTRY_PROXY_USERNAME" --restart=always --name registry registry:2