feat(agent) multi-driver db monitoring, hot-plug config, release pipeline

internal/config/config.go

@@ -0,0 +1,45 @@
+package config
+
+import (
+	"errors"
+	"os"
+)
+
+const DefaultDBConfigPath = "/etc/bugswatch/databases.json"
+
+type Config struct {
+	Endpoint     string
+	AgentID      string
+	APIToken     string
+	HostID       string
+	Env          string
+	DBConfigPath string
+}
+
+func Load() (Config, error) {
+	dbConfig := os.Getenv("BUGSWATCH_DB_CONFIG")
+	if dbConfig == "" {
+		dbConfig = DefaultDBConfigPath
+	}
+
+	cfg := Config{
+		Endpoint:     os.Getenv("BUGSWATCH_ENDPOINT"),
+		AgentID:      os.Getenv("BUGSWATCH_AGENT_ID"),
+		APIToken:     os.Getenv("BUGSWATCH_API_TOKEN"),
+		HostID:       os.Getenv("BUGSWATCH_HOST_ID"),
+		Env:          os.Getenv("BUGSWATCH_ENVIRONMENT"),
+		DBConfigPath: dbConfig,
+	}
+
+	if cfg.Endpoint == "" {
+		return Config{}, errors.New("BUGSWATCH_ENDPOINT not set")
+	}
+	if cfg.AgentID == "" {
+		return Config{}, errors.New("BUGSWATCH_AGENT_ID not set")
+	}
+	if cfg.APIToken == "" {
+		return Config{}, errors.New("BUGSWATCH_API_TOKEN not set")
+	}
+
+	return cfg, nil
+}