feat(config): add log sink support

Signed-off-by: Xe Iaso <me@xeiaso.net>

lib/config/config.go

@@ -332,6 +332,7 @@ type fileConfig struct {
 	Thresholds  []Threshold         `json:"thresholds"`
 	StatusCodes StatusCodes         `json:"status_codes"`
 	DNSBL       bool                `json:"dnsbl"`
+	Logging     *Logging            `json:"logging"`
 }
 
 func (c *fileConfig) Valid() error {
@@ -363,6 +364,10 @@ func (c *fileConfig) Valid() error {
 		}
 	}
 
+	if err := c.Logging.Valid(); err != nil {
+		errs = append(errs, err)
+	}
+
 	if c.Store != nil {
 		if err := c.Store.Valid(); err != nil {
 			errs = append(errs, err)
@@ -385,6 +390,7 @@ func Load(fin io.Reader, fname string) (*Config, error) {
 		Store: &Store{
 			Backend: "memory",
 		},
+		Logging: (Logging{}).Default(),
 	}
 
 	if err := yaml.NewYAMLToJSONDecoder(fin).Decode(&c); err != nil {
@@ -404,6 +410,7 @@ func Load(fin io.Reader, fname string) (*Config, error) {
 		},
 		StatusCodes: c.StatusCodes,
 		Store:       c.Store,
+		Logging:     c.Logging,
 	}
 
 	if c.OpenGraph.TimeToLive != "" {
@@ -469,6 +476,7 @@ type Config struct {
 	Bots        []BotConfig
 	Thresholds  []Threshold
 	StatusCodes StatusCodes
+	Logging     *Logging
 	DNSBL       bool
 }