#!/usr/bin/env bash
# Build the owpengram-server container image (stamping the current git state into
# the binary - .containerignore excludes .git, so go build can't see the repo and
# the values are passed in here), then restart the owpengram-server and
# owpengram-admin systemd services so they pick up the freshly built image.
# Container creation/lifecycle beyond the pod itself is owned by those systemd
# units, not this script.
#
# Usage:  ./build.sh [extra podman build args...]
#   IMAGE=my/tag ./build.sh     override the image tag   (default: owpengram-server)
#   POD=name ./build.sh         override the pod name    (default: owpengram)
#   NO_DEPLOY=1 ./build.sh      build the image only, don't restart the services
set -euo pipefail
cd "$(dirname "$0")"

IMAGE="${IMAGE:-owpengram-server}"
POD="${POD:-owpengram}"

podman build \
  --build-arg GIT_COMMIT="$(git rev-parse HEAD)" \
  --build-arg GIT_BRANCH="$(git rev-parse --abbrev-ref HEAD)" \
  --build-arg GIT_TREE_STATE="$(git diff --quiet && echo clean || echo dirty)" \
  --build-arg BUILD_TIME="$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
  -t "$IMAGE" \
  -f Containerfile \
  "$@" \
  .

if [ "${NO_DEPLOY:-0}" = "1" ]; then
  echo "built $IMAGE (NO_DEPLOY=1, services unchanged)"
  exit 0
fi

if ! podman pod exists "$POD"; then
  echo "pod '$POD' does not exist - creating it"
  podman pod create --name "$POD" \
    -p 2398:2398 \
    -p 127.0.0.1:2600:2600 \
    -p 2400:2400 \
    -p 2500:2500 \
    -p 12399:12399/udp \
    -p 12400:12400/udp \
    -p 12500-12999:12500-12999/udp
fi

systemctl restart owpengram-server.service owpengram-admin.service
systemctl --no-pager status owpengram-server.service owpengram-admin.service