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feat(storage): add multi-instance storage backends per workspace

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Introduce tenant-scoped storage backend registry so workspaces can register
multiple storage instances and bind each knowledge base to a specific backend,
with migration from legacy tenant-level storage config and new settings UI.
This commit is contained in:
wizardchen
2026-07-15 13:26:29 +08:00
committed by lyingbug
parent 139ec1e6b8
commit f8b3e5f148
58 changed files with 2863 additions and 470 deletions
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migrations/sqlite/000000_init.up.sql
+23
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@@ -15,6 +15,7 @@ CREATE TABLE IF NOT EXISTS tenants (
web_search_config TEXT DEFAULT NULL,
parser_engine_config TEXT DEFAULT NULL,
storage_engine_config TEXT DEFAULT NULL,
default_storage_backend_id VARCHAR(36),
credentials TEXT DEFAULT NULL,
chat_history_config TEXT,
retrieval_config TEXT,
@@ -69,6 +70,7 @@ CREATE TABLE IF NOT EXISTS knowledge_bases (
pinned_at DATETIME NULL,
asr_config TEXT,
vector_store_id VARCHAR(36),
storage_backend_id VARCHAR(36),
creator_id VARCHAR(36),
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
@@ -78,6 +80,8 @@ CREATE TABLE IF NOT EXISTS knowledge_bases (
CREATE INDEX IF NOT EXISTS idx_knowledge_bases_tenant_id ON knowledge_bases(tenant_id);
CREATE INDEX IF NOT EXISTS idx_knowledge_bases_tenant_vector_store
ON knowledge_bases(tenant_id, vector_store_id);
CREATE INDEX IF NOT EXISTS idx_knowledge_bases_storage_backend
ON knowledge_bases(tenant_id, storage_backend_id);
CREATE INDEX IF NOT EXISTS idx_knowledge_bases_tenant_creator
ON knowledge_bases(tenant_id, creator_id);
@@ -804,6 +808,25 @@ CREATE INDEX IF NOT EXISTS idx_vector_stores_tenant_id ON vector_stores(tenant_i
CREATE INDEX IF NOT EXISTS idx_vector_stores_engine_type ON vector_stores(engine_type);
CREATE INDEX IF NOT EXISTS idx_vector_stores_deleted_at ON vector_stores(deleted_at);
CREATE TABLE IF NOT EXISTS storage_backends (
id VARCHAR(36) PRIMARY KEY,
tenant_id INTEGER NOT NULL,
name VARCHAR(255) NOT NULL,
provider VARCHAR(32) NOT NULL,
config TEXT NOT NULL DEFAULT '{}',
source VARCHAR(16) NOT NULL DEFAULT 'user',
status VARCHAR(16) NOT NULL DEFAULT 'active',
legacy_alias BOOLEAN NOT NULL DEFAULT 0,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
deleted_at DATETIME
);
CREATE UNIQUE INDEX IF NOT EXISTS idx_storage_backends_name_tenant
ON storage_backends(tenant_id, name) WHERE deleted_at IS NULL;
CREATE UNIQUE INDEX IF NOT EXISTS idx_storage_backends_legacy_alias
ON storage_backends(tenant_id, provider) WHERE deleted_at IS NULL AND legacy_alias = 1;
CREATE INDEX IF NOT EXISTS idx_storage_backends_tenant ON storage_backends(tenant_id);
CREATE TABLE IF NOT EXISTS tenant_api_keys (
id INTEGER PRIMARY KEY AUTOINCREMENT,
tenant_id INTEGER NOT NULL,