discovery service

api/discovery/internal/server/internal/config.go

@@ -0,0 +1,47 @@
+package serverimp
+
+import (
+	"os"
+	"strings"
+
+	msg "github.com/tech/sendico/pkg/messaging"
+	"github.com/tech/sendico/pkg/server/grpcapp"
+	"go.uber.org/zap"
+	"gopkg.in/yaml.v3"
+)
+
+const defaultMetricsAddress = ":9405"
+
+type config struct {
+	Runtime   *grpcapp.RuntimeConfig `yaml:"runtime"`
+	Messaging *msg.Config            `yaml:"messaging"`
+	Metrics   *metricsConfig         `yaml:"metrics"`
+}
+
+type metricsConfig struct {
+	Address string `yaml:"address"`
+}
+
+func (i *Imp) loadConfig() (*config, error) {
+	data, err := os.ReadFile(i.file)
+	if err != nil {
+		i.logger.Error("Could not read configuration file", zap.String("config_file", i.file), zap.Error(err))
+		return nil, err
+	}
+
+	cfg := &config{}
+	if err := yaml.Unmarshal(data, cfg); err != nil {
+		i.logger.Error("Failed to parse configuration", zap.Error(err))
+		return nil, err
+	}
+
+	if cfg.Runtime == nil {
+		cfg.Runtime = &grpcapp.RuntimeConfig{ShutdownTimeoutSeconds: 15}
+	}
+
+	if cfg.Metrics != nil && strings.TrimSpace(cfg.Metrics.Address) == "" {
+		cfg.Metrics.Address = defaultMetricsAddress
+	}
+
+	return cfg, nil
+}