chore(DX): added caching speed up shell scripts

.gitignore

@@ -11,4 +11,7 @@ errored.tfstate
 .env.yaml
 dist/
 function-source.zip
-node_modules/
+node_modules/
+
+# Local Stuff
+.project_vars_cache

infra/cloud_function.tf

@@ -1,12 +1,12 @@
 resource "google_cloudfunctions2_function" "watchdog_notifications" {
   project     = module.bootstrap.seed_project_id
   location    = var.region
-  name        = "watchdog-notifications"
+  name        = var.function_name
   description = "A cloud function that receives blockchain event data from QuickAlerts and sends notifications to a Discord channel"
 
   build_config {
     runtime         = "nodejs20"
-    entry_point     = "watchdogNotifier"
+    entry_point     = var.function_entry_point
     service_account = "projects/${module.bootstrap.seed_project_id}/serviceAccounts/${module.bootstrap.terraform_sa_email}"
 
     source {

infra/variables.tf

@@ -69,3 +69,13 @@ variable "quicknode_api_key" {
   type      = string
   sensitive = true
 }
+
+variable "function_name" {
+  type    = string
+  default = "watchdog-notifications"
+}
+
+variable "function_entry_point" {
+  type    = string
+  default = "watchdogNotifier"
+}

package.json

@@ -6,6 +6,7 @@
   "author": "Mento Labs <eng@mentolabs.xyz>",
   "main": "dist/index.js",
   "scripts": {
+    "cache:clear": "./set-project-vars.sh --no-cache",
     "deploy": "npm run deploy:via:tf",
     "deploy:via:gcloud": "./deploy-via-gcloud.sh",
     "deploy:via:terraform": "npm run deploy:via:tf",

set-project-vars.sh

@@ -3,27 +3,77 @@ set -e          # Fail on any error
 set -o pipefail # Ensure piped commands propagate exit codes properly
 set -u          # Treat unset variables as an error when substituting
 
-printf "Looking up project name in variables.tf..."
-project_name=$(awk '/variable "project_name"/{f=1} f==1&&/default/{print $3; exit}' ./infra/variables.tf | tr -d '",')
-printf ' \033[1m%s\033[0m\n' "${project_name}"
-
-printf "Looking up region in variables.tf..."
-region=$(awk '/variable "region"/{f=1} f==1&&/default/{print $3; exit}' ./infra/variables.tf | tr -d '",')
-printf ' \033[1m%s\033[0m\n' "${region}"
-
+cache_file=".project_vars_cache"
 current_local_project_id=$(gcloud config get project)
+current_tf_state_project_id=$(terraform -chdir=infra state show module.bootstrap.module.seed_project.module.project-factory.google_project.main | grep project_id | awk '{print $3}' | tr -d '"')
 
-if [[ ! ${current_local_project_id} =~ ${project_name} ]]; then
+if [[ ${current_local_project_id} != "${current_tf_state_project_id}" ]]; then
 	printf '️\n🚨 Your local gcloud is set to the wrong project: \033[1m%s\033[0m 🚨\n' "${current_local_project_id}"
 	printf "\nRunning ./set-project-id.sh in an attempt to fix this...\n\n"
 	source ./set-project-id.sh
 	printf "\n\n"
-else
-	printf "Looking up the project ID..."
-	project_id=$(gcloud config get project)
-	printf ' \033[1m%s\033[0m\n' "${project_id}"
 fi
 
-printf "Looking up function name..."
-function_name=$(gcloud functions list --format="value(name)")
-printf ' \033[1m%s\033[0m\n' "${function_name}"
+cache_vars() {
+	if [[ $* != *"--no-cache"* ]]; then
+		printf "No cache file found at %s.\n\n" "${cache_file}"
+	fi
+
+	printf "Loading and caching project values...\n\n"
+
+	printf " - Project ID:"
+	project_id=${current_tf_state_project_id}
+	printf ' \033[1m%s\033[0m\n' "${project_id}"
+
+	printf " - Project Name:"
+	project_name=$(awk '/variable "project_name"/{f=1} f==1&&/default/{print $3; exit}' ./infra/variables.tf | tr -d '",')
+	printf ' \033[1m%s\033[0m\n' "${project_name}"
+
+	printf " - Region:"
+	region=$(awk '/variable "region"/{f=1} f==1&&/default/{print $3; exit}' ./infra/variables.tf | tr -d '",')
+	printf ' \033[1m%s\033[0m\n' "${region}"
+
+	printf " - Service Account:"
+	service_account_email=$(terraform -chdir=infra state show "module.bootstrap.google_service_account.org_terraform[0]" | grep email | awk '{print $3}' | tr -d '"')
+	printf ' \033[1m%s\033[0m\n' "${service_account_email}"
+
+	printf " - Function Name:"
+	function_name=$(awk '/variable "function_name"/{f=1} f==1&&/default/{print $3; exit}' ./infra/variables.tf | tr -d '",')
+	printf ' \033[1m%s\033[0m\n' "${function_name}"
+
+	printf " - Function Entry Point:"
+	function_entry_point=$(awk '/variable "function_entry_point"/{f=1} f==1&&/default/{print $3; exit}' ./infra/variables.tf | tr -d '",')
+	printf ' \033[1m%s\033[0m\n' "${function_entry_point}"
+
+	printf "\nCaching values in"
+	printf ' \033[1m%s\033[0m...' "${cache_file}"
+
+	{
+		echo "project_id=${project_id}"
+		echo "project_name=${project_name}"
+		echo "region=${region}"
+		echo "service_account_email=${service_account_email}"
+		echo "function_name=${function_name}"
+		echo "function_entry_point=${function_entry_point}"
+	} >>"${cache_file}"
+	printf "✅\n\n"
+}
+
+if [[ $* == *"--no-cache"* ]]; then
+	echo "Invalidating cache..."
+	rm -f "${cache_file}"
+	cache_vars --no-cache
+elif [[ ! -f ${cache_file} ]]; then
+	cache_vars
+else
+	# shellcheck source=.project_vars_cache
+	source "${cache_file}"
+	printf "Using cached values:\n"
+	printf " - Project ID: \033[1m%s\033[0m\n" "${project_id}"
+	printf " - Project Name: \033[1m%s\033[0m\n" "${project_name}"
+	printf " - Region: \033[1m%s\033[0m\n" "${region}"
+	printf " - Service Account: \033[1m%s\033[0m\n" "${service_account_email}"
+	printf " - Function Name: \033[1m%s\033[0m\n" "${function_name}"
+	printf " - Function Entry Point: \033[1m%s\033[0m\n" "${function_entry_point}"
+	printf "\n"
+fi