#!/bin/sh
# Deploy a service to the local VMs.
#
# Usage:
#   scripts/deploy.sh <service>                        # deploy service
#   scripts/deploy.sh <service> --skip docker,apache   # skip dependencies
#   scripts/deploy.sh <service> --restore              # restore "provisioned" first
#   scripts/deploy.sh <service> --restore initialized  # restore specific snapshot first
#
# Examples:
#   scripts/deploy.sh bugzilla
#   scripts/deploy.sh bugzilla --skip docker,apache
#   scripts/deploy.sh prosody --restore
#   scripts/deploy.sh authentik --restore initialized
set -eu
. "$(dirname "$0")/env.sh"

service=""
skip_tags=""
restore_snapshot=""

while [ $# -gt 0 ]; do
    case "$1" in
        --skip)
            skip_tags="$2"
            shift 2
            ;;
        --restore)
            restore_snapshot="${2:-provisioned}"
            if [ $# -ge 2 ] && case "$2" in -*) false;; *) true;; esac; then
                shift 2
            else
                shift
            fi
            ;;
        -*)
            echo "Unknown option: $1" >&2
            exit 1
            ;;
        *)
            if [ -z "$service" ]; then
                service="$1"
            else
                echo "Unexpected argument: $1" >&2
                exit 1
            fi
            shift
            ;;
    esac
done

if [ -z "$service" ]; then
    echo "Usage: deploy.sh <service> [--skip tags] [--restore [snapshot]]" >&2
    exit 1
fi

if [ -n "$restore_snapshot" ]; then
    echo "==> Restoring to '$restore_snapshot'"
    "$SCRIPT_DIR/vm/restore.sh" "$restore_snapshot"
fi

echo "==> Deploying: $service"
if [ -n "$skip_tags" ]; then
    ansible-playbook -i "$INVENTORY" "$PLAYBOOK" --vault-password-file "$VAULT_PASS" \
        --tags "$service" --skip-tags "$skip_tags"
else
    ansible-playbook -i "$INVENTORY" "$PLAYBOOK" --vault-password-file "$VAULT_PASS" \
        --tags "$service"
fi