Data Stores

Module: Data Stores

Module flag: datastores Enabled by default: yes

---

Overview

The Data Stores module provides read-only inventory for four managed database services: Cloud Spanner, AlloyDB for PostgreSQL, Firestore, and Memorystore (Redis). All tools are read-only.

---

Enable This Module

GCP_PROJECT_ID=my-project ./aura-tracker-gcp --modules datastores

---

Required GCP APIs

gcloud services enable spanner.googleapis.com alloydb.googleapis.com \
  firestore.googleapis.com redis.googleapis.com

---

Required IAM Permissions

Role	Service	Tools that need it
roles/spanner.viewer	Cloud Spanner	gcp_spanner_list_instances
roles/alloydb.viewer	AlloyDB	gcp_alloydb_list_clusters
roles/datastore.viewer	Firestore	gcp_firestore_list_databases
roles/redis.viewer	Memorystore	gcp_memorystore_list_instances

---

Tools

gcp_spanner_list_instances

Lists Cloud Spanner instances.

Parameters:

Name	Required	Description
project_id	yes	GCP project ID

Returns: Instance name, configuration (region/multi-region), node count, processing units, edition (STANDARD / ENTERPRISE / ENTERPRISE_PLUS), state, labels.

---

gcp_alloydb_list_clusters

Lists AlloyDB clusters.

Parameters:

Name	Required	Description
project_id	yes	GCP project ID

Returns: Cluster name, location, state, PostgreSQL version, cluster type (PRIMARY / SECONDARY), network, labels.

---

gcp_firestore_list_databases

Lists Firestore databases in the project.

Parameters:

Name	Required	Description
project_id	yes	GCP project ID

Returns: Database name, type (FIRESTORE_NATIVE / DATASTORE_MODE), location, concurrency mode, state.

---

gcp_memorystore_list_instances

Lists Memorystore Redis instances.

Parameters:

Name	Required	Description
project_id	yes	GCP project ID
region	no	Filter by region; - or omit for all regions

Returns: Instance name, region, tier (BASIC / STANDARD_HA), memory size (GB), Redis version, host (IP), port, state, labels.

---

Prompt Examples

Inventory

"List all managed databases in project my-project — Spanner, AlloyDB, Firestore, and Memorystore."

Spanner sizing

"Which Cloud Spanner instances in project my-project are using fewer than 3 nodes?"

Redis HA check

"Which Memorystore Redis instances are running in BASIC tier (no HA) in project my-project?"

Firestore mode audit

"Which Firestore databases in project my-project are in DATASTORE_MODE?"

---

Related Modules

Module flag	Why you'd combine it
cloudrun	Find Cloud Run services that connect to these databases
networking	Inspect the VPC networks hosting private database endpoints
archgraph	Include data stores in the full architecture graph