provsioning: dont stop grafana due to missing

pkg/services/provisioning/dashboards/config_reader.go

@@ -5,20 +5,25 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/grafana/grafana/pkg/log"
 	yaml "gopkg.in/yaml.v2"
 )
 
 type configReader struct {
 	path string
+	log  log.Logger
 }
 
 func (cr *configReader) readConfig() ([]*DashboardsAsConfig, error) {
+	var dashboards []*DashboardsAsConfig
+
 	files, err := ioutil.ReadDir(cr.path)
+
 	if err != nil {
-		return nil, err
+		cr.log.Error("cant read dashboard provisioning files from directory", "path", cr.path)
+		return dashboards, nil
 	}
 
-	var dashboards []*DashboardsAsConfig
 	for _, file := range files {
 		if !strings.HasSuffix(file.Name(), ".yaml") && !strings.HasSuffix(file.Name(), ".yml") {
 			continue
@@ -30,13 +35,13 @@ func (cr *configReader) readConfig() ([]*DashboardsAsConfig, error) {
 			return nil, err
 		}
 
-		var datasource []*DashboardsAsConfig
-		err = yaml.Unmarshal(yamlFile, &datasource)
+		var dashCfg []*DashboardsAsConfig
+		err = yaml.Unmarshal(yamlFile, &dashCfg)
 		if err != nil {
 			return nil, err
 		}
 
-		dashboards = append(dashboards, datasource...)
+		dashboards = append(dashboards, dashCfg...)
 	}
 
 	for i := range dashboards {