#!/bin/sh
# First-time setup: download image, create volumes, provision VMs,
# wait for cloud-init, then snapshot as "initialized".
set -eu
. "$(dirname "$0")/env.sh"

echo "==> Downloading cloud image"
"$QEMU_VM" image download

echo "==> Creating volumes"
"$QEMU_VM" volume create "$PROXY_VM" --size 20G --backing debian-12
"$QEMU_VM" volume create "$IDP_VM" --size 20G --backing debian-12

echo "==> Preparing TAP interfaces"
sudo --preserve-env=QEMU_VM "$(dirname "$0")/setup-taps.sh"

echo "==> Clearing stale SSH host keys"
clear_host_keys

echo "==> Creating instances (in screen sessions)"
screen -dmS "$PROXY_VM" \
    "$QEMU_VM" instance create "$PROXY_VM" 0 \
        --network "$NETWORK" --ip "$PROXY_IP" --headless

screen -dmS "$IDP_VM" \
    "$QEMU_VM" instance create "$IDP_VM" 0 \
        --network "$NETWORK" --ip "$IDP_IP" --headless

echo "==> Waiting for cloud-init"
wait_ssh "$PROXY_HOST"
# shellcheck disable=SC2086
ssh $SSH_OPTS "${SSH_USER}@${PROXY_HOST}" 'cloud-init status --wait'
echo "    $PROXY_VM ready"

wait_ssh "$IDP_HOST"
# shellcheck disable=SC2086
ssh $SSH_OPTS "${SSH_USER}@${IDP_HOST}" 'cloud-init status --wait'
echo "    $IDP_VM ready"

echo "==> Stopping for initial snapshot"
"$QEMU_VM" instance stop "$PROXY_VM"
"$QEMU_VM" instance stop "$IDP_VM"

echo "==> Snapshotting 'initialized'"
"$QEMU_VM" volume snapshot "$PROXY_VM" initialized
"$QEMU_VM" volume snapshot "$IDP_VM" initialized

echo "==> Done. Run: scripts/vm/start.sh"