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wild-cloud/bin/wild-app-add

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#!/bin/bash
set -e
set -o pipefail
UPDATE=false
# Parse arguments
while [[ $# -gt 0 ]]; do
case $1 in
--update)
UPDATE=true
shift
;;
-h|--help)
echo "Usage: $0 <app_name> [--update]"
echo ""
echo "Configure an app by applying templates and merging configuration."
echo ""
echo "Options:"
echo " --update Overwrite existing app files without confirmation"
echo " -h, --help Show this help message"
exit 0
;;
-*)
echo "Unknown option $1"
echo "Usage: $0 <app_name> [--update]"
exit 1
;;
*)
if [ -z "${APP_NAME}" ]; then
APP_NAME="$1"
else
echo "Too many arguments"
echo "Usage: $0 <app_name> [--update]"
exit 1
fi
shift
;;
esac
done
if [ -z "${APP_NAME}" ]; then
echo "Usage: $0 <app_name> [--update]"
exit 1
fi
# Initialize Wild Cloud environment
if [ -z "${WC_ROOT}" ]; then
print "WC_ROOT is not set."
exit 1
else
source "${WC_ROOT}/scripts/common.sh"
init_wild_env
fi
CONFIG_FILE="${WC_HOME}/config.yaml"
if [ ! -f "${CONFIG_FILE}" ]; then
echo "Creating config file at '${CONFIG_FILE}'."
echo "# Wild Cloud Configuration" > "${CONFIG_FILE}"
echo "# This file contains app configurations and should be committed to git" >> "${CONFIG_FILE}"
echo "" >> "${CONFIG_FILE}"
fi
SECRETS_FILE="${WC_HOME}/secrets.yaml"
if [ ! -f "${SECRETS_FILE}" ]; then
echo "Creating secrets file at '${SECRETS_FILE}'."
echo "# Wild Cloud Secrets Configuration" > "${SECRETS_FILE}"
echo "# This file contains sensitive data and should NOT be committed to git" >> "${SECRETS_FILE}"
echo "# Add this file to your .gitignore" >> "${SECRETS_FILE}"
echo "" >> "${SECRETS_FILE}"
fi
# Check if app is cached, if not fetch it first
CACHE_APP_DIR="${WC_HOME}/.wildcloud/cache/apps/${APP_NAME}"
if [ ! -d "${CACHE_APP_DIR}" ]; then
echo "Cache directory for app '${APP_NAME}' not found at '${CACHE_APP_DIR}'."
echo "Please fetch the app first using 'wild-app-fetch ${APP_NAME}'."
exit 1
fi
if [ ! -d "${CACHE_APP_DIR}" ]; then
echo "App '${APP_NAME}' not found in cache, fetching..."
if [ "${UPDATE}" = true ]; then
./bin/wild-app-fetch "${APP_NAME}" --update
else
./bin/wild-app-fetch "${APP_NAME}"
fi
fi
APPS_DIR="${WC_HOME}/apps"
if [ ! -d "${APPS_DIR}" ]; then
echo "Creating apps directory at '${APPS_DIR}'."
mkdir -p "${APPS_DIR}"
fi
DEST_APP_DIR="${WC_HOME}/apps/${APP_NAME}"
if [ -d "${DEST_APP_DIR}" ]; then
if [ "${UPDATE}" = true ]; then
echo "Updating app '${APP_NAME}'."
rm -rf "${DEST_APP_DIR}"
else
echo "Warning: Destination directory ${DEST_APP_DIR} already exists."
read -p "Do you want to overwrite it? (y/N): " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "Configuration cancelled."
exit 1
fi
rm -rf "${DEST_APP_DIR}"
fi
else
echo "Adding app '${APP_NAME}' to '${DEST_APP_DIR}'."
fi
mkdir -p "${DEST_APP_DIR}"
# Step 1: Copy only manifest.yaml from cache first
MANIFEST_FILE="${CACHE_APP_DIR}/manifest.yaml"
if [ -f "${MANIFEST_FILE}" ]; then
# manifest.yaml is allowed to have gomplate variables in the defaultConfig and requiredSecrets sections.
# We need to use gomplate to process these variables before using yq.
echo "Copying app manifest from cache."
DEST_MANIFEST="${DEST_APP_DIR}/manifest.yaml"
if [ -f "${SECRETS_FILE}" ]; then
gomplate_cmd="gomplate -c .=${CONFIG_FILE} -c secrets=${SECRETS_FILE} -f ${MANIFEST_FILE} -o ${DEST_MANIFEST}"
else
gomplate_cmd="gomplate -c .=${CONFIG_FILE} -f ${MANIFEST_FILE} -o ${DEST_MANIFEST}"
fi
if ! eval "${gomplate_cmd}"; then
echo "Error processing manifest.yaml with gomplate"
exit 1
fi
else
echo "Warning: App manifest not found in cache."
exit 1
fi
# Check if the app section exists in config.yaml, if not create it
if ! yq eval ".apps.${APP_NAME}" "${CONFIG_FILE}" >/dev/null 2>&1; then
yq eval ".apps.${APP_NAME} = {}" -i "${CONFIG_FILE}"
fi
# Check if apps section exists in the secrets.yaml, if not create it
if ! yq eval ".apps" "${SECRETS_FILE}" >/dev/null 2>&1; then
yq eval ".apps = {}" -i "${SECRETS_FILE}"
fi
# Merge processed defaultConfig into the app config, preserving existing values
# This preserves existing configuration values while adding missing defaults
if yq eval '.defaultConfig' "${DEST_MANIFEST}" | grep -q -v '^null$'; then
# Extract defaultConfig from the processed manifest and merge with existing app config
# The * operator merges objects, with the right side taking precedence for conflicting keys
# So (.apps.${APP_NAME} // {}) preserves existing values, defaultConfig adds missing ones
temp_default_config=$(mktemp)
yq eval '.defaultConfig' "${DEST_MANIFEST}" > "$temp_default_config"
yq eval ".apps.${APP_NAME} = load(\"$temp_default_config\") * (.apps.${APP_NAME} // {})" -i "${CONFIG_FILE}"
rm "$temp_default_config"
echo "Merged default configuration from app manifest into '${CONFIG_FILE}'."
# Remove defaultConfig from the copied manifest since it's now in config.yaml.
yq eval 'del(.defaultConfig)' -i "${DEST_MANIFEST}"
fi
# Scaffold required secrets into .wildcloud/secrets.yaml if they don't exist
if yq eval '.requiredSecrets' "${DEST_MANIFEST}" | grep -q -v '^null$'; then
# Ensure .wildcloud/secrets.yaml exists
if [ ! -f "${SECRETS_FILE}" ]; then
echo "Creating secrets file at '${SECRETS_FILE}'"
echo "# Wild Cloud Secrets Configuration" > "${SECRETS_FILE}"
echo "# This file contains sensitive data and should NOT be committed to git" >> "${SECRETS_FILE}"
echo "# Add this file to your .gitignore" >> "${SECRETS_FILE}"
echo "" >> "${SECRETS_FILE}"
fi
# Add random values for each required secret if not already present
while read -r secret_path; do
current_value=$(yq eval ".${secret_path} // \"null\"" "${SECRETS_FILE}")
if [ "${current_value}" = "null" ]; then
random_secret=$(openssl rand -base64 32 | tr -d "=+/" | cut -c1-32)
yq eval ".${secret_path} = \"${random_secret}\"" -i "${SECRETS_FILE}"
fi
done < <(yq eval '.requiredSecrets[]' "${DEST_MANIFEST}")
echo "Required secrets declared in app manifest added to '${SECRETS_FILE}'."
fi
# Step 3: Copy and compile all other files from cache to app directory
echo "Copying and compiling remaining files from cache."
cp -r "${CACHE_APP_DIR}/." "${DEST_APP_DIR}/"
find "${DEST_APP_DIR}" -type f | while read -r dest_file; do
rel_path="${dest_file#${DEST_APP_DIR}/}"
if [ "${rel_path}" = "manifest.yaml" ]; then
continue
fi
temp_file=$(mktemp)
gomplate -c .=${CONFIG_FILE} -c secrets=${SECRETS_FILE} -f "${dest_file}" > "${temp_file}"
mv "${temp_file}" "${dest_file}"
done
echo "Added '${APP_NAME}'."