vendor: update docker/go-metrics v0.0.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/prometheus/procfs/stat.go

@@ -1,3 +1,16 @@
+// Copyright 2018 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package procfs
 
 import (
@@ -7,6 +20,8 @@ import (
 	"os"
 	"strconv"
 	"strings"
+
+	"github.com/prometheus/procfs/internal/fs"
 )
 
 // CPUStat shows how much time the cpu spend in various stages.
@@ -65,16 +80,6 @@ type Stat struct {
 	SoftIRQ SoftIRQStat
 }
 
-// NewStat returns kernel/system statistics read from /proc/stat.
-func NewStat() (Stat, error) {
-	fs, err := NewFS(DefaultMountPoint)
-	if err != nil {
-		return Stat{}, err
-	}
-
-	return fs.NewStat()
-}
-
 // Parse a cpu statistics line and returns the CPUStat struct plus the cpu id (or -1 for the overall sum).
 func parseCPUStat(line string) (CPUStat, int64, error) {
 	cpuStat := CPUStat{}
@@ -136,11 +141,31 @@ func parseSoftIRQStat(line string) (SoftIRQStat, uint64, error) {
 	return softIRQStat, total, nil
 }
 
-// NewStat returns an information about current kernel/system statistics.
-func (fs FS) NewStat() (Stat, error) {
-	// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
+// NewStat returns information about current cpu/process statistics.
+// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
+//
+// Deprecated: use fs.Stat() instead
+func NewStat() (Stat, error) {
+	fs, err := NewFS(fs.DefaultProcMountPoint)
+	if err != nil {
+		return Stat{}, err
+	}
+	return fs.Stat()
+}
 
-	f, err := os.Open(fs.Path("stat"))
+// NewStat returns information about current cpu/process statistics.
+// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
+//
+// Deprecated: use fs.Stat() instead
+func (fs FS) NewStat() (Stat, error) {
+	return fs.Stat()
+}
+
+// Stat returns information about current cpu/process statistics.
+// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
+func (fs FS) Stat() (Stat, error) {
+
+	f, err := os.Open(fs.proc.Path("stat"))
 	if err != nil {
 		return Stat{}, err
 	}