Add permissions configuration for file output

libbeat/docs/outputconfig.asciidoc

@@ -958,6 +958,7 @@ output.file:
   filename: {beatname_lc}
   #rotate_every_kb: 10000
   #number_of_files: 7
+  #permissions: 0666
 ------------------------------------------------------------------------------
 
 ==== File Output Options
@@ -993,6 +994,10 @@ The maximum number of files to save under <<path>>. When this number of files is
 oldest file is deleted, and the rest of the files are shifted from last to first. The default
 is 7 files.
 
+===== permissions
+
+Permissions to use for file creation. The default is 0600.
+
 ===== codec
 
 Output codec configuration. If the `codec` section is missing, events will be json encoded.

libbeat/outputs/fileout/config.go

@@ -13,6 +13,7 @@ type config struct {
 	RotateEveryKb int          `config:"rotate_every_kb" validate:"min=1"`
 	NumberOfFiles int          `config:"number_of_files"`
 	Codec         codec.Config `config:"codec"`
+	Permissions   uint32       `config:"permissions"`
 }
 
 var (

libbeat/outputs/fileout/file.go

@@ -42,6 +42,9 @@ func (out *fileOutput) init(config config) error {
 
 	out.rotator.Path = config.Path
 	out.rotator.Name = config.Filename
+	if config.Permissions != 0 {
+		out.rotator.Permissions = &config.Permissions
+	}
 	if out.rotator.Name == "" {
 		out.rotator.Name = out.beat.Beat
 	}
@@ -53,6 +56,7 @@ func (out *fileOutput) init(config config) error {
 
 	out.codec = enc
 
+	logp.Info("File output permissions set to: %v", *out.rotator.Permissions)
 	logp.Info("File output path set to: %v", out.rotator.Path)
 	logp.Info("File output base filename set to: %v", out.rotator.Name)
 

metricbeat/metricbeat.full.yml

@@ -953,6 +953,9 @@ output.elasticsearch:
   # default is 7 files.
   #number_of_files: 7
 
+  # Permissions to use for file creation. The default is 0600.
+  #permissions: 0666
+
 
 #----------------------------- Console output ---------------------------------
 #output.console: