feat: implement sentinel agent mode

.air.toml

@@ -0,0 +1,22 @@
+# Working directory
+root = "."
+tmp_dir = ".tmp"
+
+[build]
+# Just plain old shell command. You could use `make` as well.
+cmd = "make build"
+# Binary file yields from `cmd`.
+full_bin = "build/sentinel hub start -c ./config.yaml"
+# This log file places in your tmp_dir.
+log = "air_errors.log"
+# Watch these filename extensions.
+include_ext = ["go"]
+# Ignore these filename extensions or directories.
+exclude_dir = [".tmp", "sql", "frontend", "data", "schema", "scripts"]
+# It's not necessary to trigger build each time file changes if it's too frequent.
+delay = 1000           # ms
+send_interrupt = true
+kill_delay = 500000000
+
+[log]
+time = true

.gitignore

@@ -35,6 +35,9 @@ go.work.sum
 # .vscode/
 
 data
+data-agent
 build
 config.yaml
+config-agent.yaml
 dist
+.tmp

Dockerfile

@@ -16,7 +16,7 @@ COPY frontend/ ./
 RUN pnpm run build
 
 # Backend build stage
-FROM golang:1.25.0-alpine AS backend-builder
+FROM golang:1.25.1-alpine AS backend-builder
 
 # Define build arguments for version, commit, and date.
 ARG VERSION="unknown"
@@ -54,4 +54,4 @@ WORKDIR /root/
 COPY --from=backend-builder /app/bin/sentinel .
 
 # Run the binary
-CMD ["./sentinel", "start"]
+ENTRYPOINT ["./sentinel"]

Makefile

@@ -4,10 +4,11 @@
 
 # Variables
 BINARY_NAME=sentinel
-MAIN_PATH=./cmd/sentinel
+SENTINEL_PATH=./cmd/sentinel
 BUILD_DIR=./build
 VERSION?=dev
 LDFLAGS=-ldflags="-w -s -X main.version=${VERSION}"
+MIGRATIONS_DIR	 = ./sql/migrations/
 
 # Default target
 help: ## Show this help message
@@ -17,36 +18,44 @@ help: ## Show this help message
 	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "  %-15s %s\n", $$1, $$2}' $(MAKEFILE_LIST)
 
 # Development
-dev: ## Run in development mode with auto-reload
-	go run $(MAIN_PATH) start
+hub: ## Run in development mode with auto-reload
+	go run $(SENTINEL_PATH) hub start -c ./config.yaml
+
+agent: ## Run in development mode with auto-reload
+	go run $(SENTINEL_PATH) agent start -c ./config-agent.yaml
+
+migrateup:
+	go run $(SENTINEL_PATH) migrations up -db-path ./data/hub/sqlite/db.sqlite
+
+migratedown:
+	go run $(SENTINEL_PATH) migrations down -db-path ./data/hub/sqlite/db.sqlite
+
+air:
+	air -c .air.toml
 
 run: build ## Build and run the application
 	./$(BUILD_DIR)/$(BINARY_NAME)
 
-runtcpserver:
-	go run ./cmd/tcpserver
-
-rungrpcserver:
-	go run ./cmd/grpcserver
+runtestservers:
+	go run ./cmd/testserver -http -grpc -tcp
 
 front:
 	cd frontend && pnpm dev
 
 # Build targets
-build: deps ## Build the application
-	@mkdir -p $(BUILD_DIR)
-	go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME) $(MAIN_PATH)
+build:
+	go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME) $(SENTINEL_PATH)
 
 
 build-linux: deps ## Build for Linux
 	@mkdir -p $(BUILD_DIR)
-	GOOS=linux GOARCH=amd64 go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux $(MAIN_PATH)
+	GOOS=linux GOARCH=amd64 go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux $(SENTINEL_PATH)
 
 build-all: deps ## Build for all platforms
 	@mkdir -p $(BUILD_DIR)
-	GOOS=linux GOARCH=amd64 go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-amd64 $(MAIN_PATH)
-	GOOS=darwin GOARCH=amd64 go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-darwin-amd64 $(MAIN_PATH)
-	GOOS=windows GOARCH=amd64 go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-windows-amd64.exe $(MAIN_PATH)
+	GOOS=linux GOARCH=amd64 go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-amd64 $(SENTINEL_PATH)
+	GOOS=darwin GOARCH=amd64 go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-darwin-amd64 $(SENTINEL_PATH)
+	GOOS=windows GOARCH=amd64 go build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-windows-amd64.exe $(SENTINEL_PATH)
 
 # Dependencies
 deps: ## Download dependencies
@@ -115,9 +124,11 @@ clean: ## Clean build artifacts
 	rm -f coverage.out coverage.html
 	docker-compose down --volumes --remove-orphans || true
 
-# Database
-init-db: ## Initialize database directory
-	mkdir -p data
+# db-create-migration:
+# 	migrate create -ext sql -format unix -dir "$(MIGRATIONS_DIR)" $(filter-out $@,$(MAKECMDGOALS))
+
+db-create-migration:
+	go run ./cmd/sentinel migrations create -p ./sql/migrations -name $(filter-out $@,$(MAKECMDGOALS))
 
 # Configuration
 init-config: ## Copy example configuration
@@ -133,3 +144,26 @@ genswagger:
 	rm -rf ./docs/*
 	swag fmt -d ./internal/web
 	swag init -o docs/docsv1 --dir ./internal/web -g handlers.go --parseDependency
+
+genenvs:
+	go run ./cmd/sentinel config genenvs
+
+gensql:
+	pgxgen crud
+	pgxgen sqlc generate
+
+genproto: ## Generate protobuf code
+	buf lint
+	rm -rf ./internal/hub/hubserver/api/*
+	rm -rf frontend/src/api/gen/*
+	buf generate
+	rm -rf frontend/src/api/gen/sentinel/hub
+
+grpcui-hub:
+	grpcui --plaintext localhost:8080
+
+grpcui-server:
+	grpcui --plaintext localhost:8080
+
+%:
+	@:

README.md

@@ -123,9 +123,6 @@ monitoring:
     default_timeout: 10s
     default_retries: 5
 
-database:
-  path: "./data/db.sqlite"
-
 notifications:
   enabled: true
   urls:
@@ -218,7 +215,7 @@ The gRPC monitor supports three types of checks:
 
 ## Notification Setup
 
-Sentinel uses [Shoutrrr](https://github.com/containrrr/shoutrrr) for notifications, which supports multiple providers
+Sentinel uses [Shoutrrr](https://github.com/nicholas-fedor/shoutrrr) for notifications, which supports multiple providers
 
 You can configure multiple notification providers simultaneously. If one provider fails, notifications will still be sent to the others:
 

buf.gen.yaml

@@ -0,0 +1,19 @@
+version: v2
+managed:
+  enabled: true
+  override:
+    - file_option: go_package_prefix
+      value: github.com/sxwebdev/sentinel/internal/hub/hubserver/api
+plugins:
+  - remote: buf.build/protocolbuffers/go:v1.36.9
+    out: internal/hub/hubserver/api
+    opt: paths=source_relative
+  - remote: buf.build/connectrpc/go:v1.18.1
+    out: internal/hub/hubserver/api
+    opt: paths=source_relative
+  - remote: buf.build/bufbuild/es:v2.9.0
+    out: frontend/src/api/gen
+    opt: target=ts
+  - remote: buf.build/connectrpc/query-es:v2.2.0
+    out: frontend/src/api/gen
+    opt: target=ts

buf.yaml

@@ -0,0 +1,20 @@
+version: v2
+modules:
+  - path: schema
+lint:
+  use:
+    - COMMENT_SERVICE
+    - STANDARD
+  except:
+    - FIELD_NOT_REQUIRED
+    - PACKAGE_NO_IMPORT_CYCLE
+  disallow_comment_ignores: true
+  rpc_allow_google_protobuf_empty_requests: true
+  rpc_allow_google_protobuf_empty_responses: true
+
+breaking:
+  use:
+    - FILE
+  except:
+    - EXTENSION_NO_DELETE
+    - FIELD_SAME_DEFAULT