Add --human-readable option

Signed-off-by: Steven Agbo <[email protected]>

CHANGELOG.md

@@ -7,6 +7,11 @@ Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
 
+## [0.5.0] - 2021-04-16
+
+### Added
+- Added --human-readable option to support ignoring human-readable option like df unix/linux command
+
 ## [0.4.2] - 2021-03-31
 
 ### Changed

README.md

@@ -45,6 +45,7 @@ Flags:
   -p, --include-pseudo-fs         Include pseudo-filesystems (e.g. tmpfs) (default false)
   -r, --include-read-only         Include read-only filesystems (default false)
   -f, --fail-on-error             Fail and exit on errors getting file system usage (e.g. permission denied) (default false)
+  -H, --human-readable            print sizes in powers of 1024 (default false)
   -h, --help                      help for check-disk-usage
 
 Use "check-disk-usage [command] --help" for more information about a command.
@@ -75,6 +76,9 @@ error, such as `permission denied` for a file system.  If true, the check will
 exit with as a critical failure and provide the error message.  If false (the
 defaut), it will specify unknown for that file system, provide the error and
 continue to check the remaining file systems as expected.
+* The `--human-readable` (False by default) option determines if you prefer
+to display sizes of different drives in a human format. (Like df Unix/linux
+command.)
 
 ## Configuration
 

main.go

@@ -22,6 +22,7 @@ type Config struct {
 	IncludePseudo   bool
 	IncludeReadOnly bool
 	FailOnError     bool
+    HumanReadable   bool
 }
 
 var (
@@ -115,6 +116,16 @@ var (
 			Usage:     "Include read-only filesystems (default false)",
 			Value:     &plugin.IncludeReadOnly,
 		},
+		{
+			Path:      "human-readable",
+			Env:       "",
+			Argument:  "human-readable",
+			Shorthand: "H",
+			Default:   false,
+			Usage:     "print sizes in powers of 1024 (default false)",
+			Value:     &plugin.HumanReadable,
+		},
+
 	}
 )
 
@@ -189,7 +200,11 @@ func executeCheck(event *types.Event) (int, error) {
 		} else {
 			fmt.Printf("      OK: ")
 		}
-		fmt.Printf("%s %.2f%% - Total: %s, Used: %s, Free: %s\n", p.Mountpoint, s.UsedPercent, human.Bytes(s.Total), human.Bytes(s.Used), human.Bytes(s.Free))
+        if plugin.HumanReadable {
+		    fmt.Printf("%s %.2f%% - Total: %s, Used: %s, Free: %s\n", p.Mountpoint, s.UsedPercent, human.IBytes(s.Total), human.IBytes(s.Used), human.IBytes(s.Free))
+        } else {
+            fmt.Printf("%s %.2f%% - Total: %s, Used: %s, Free: %s\n", p.Mountpoint, s.UsedPercent, human.Bytes(s.Total), human.Bytes(s.Used), human.Bytes(s.Free))
+        }
 	}
 
 	if criticals > 0 {