1 files changed, 0 insertions, 262 deletions
diff --git a/vendor/github.com/prometheus/procfs/mdstat.go b/vendor/github.com/prometheus/procfs/mdstat.go
deleted file mode 100644
index f0b9e5f75..000000000
--- a/vendor/github.com/prometheus/procfs/mdstat.go
+++ /dev/null
@@ -1,262 +0,0 @@
-// 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 (
-	"fmt"
-	"io/ioutil"
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-var (
-	statusLineRE         = regexp.MustCompile(`(\d+) blocks .*\[(\d+)/(\d+)\] \[([U_]+)\]`)
-	recoveryLineBlocksRE = regexp.MustCompile(`\((\d+)/\d+\)`)
-	recoveryLinePctRE    = regexp.MustCompile(`= (.+)%`)
-	recoveryLineFinishRE = regexp.MustCompile(`finish=(.+)min`)
-	recoveryLineSpeedRE  = regexp.MustCompile(`speed=(.+)[A-Z]`)
-	componentDeviceRE    = regexp.MustCompile(`(.*)\[\d+\]`)
-)
-
-// MDStat holds info parsed from /proc/mdstat.
-type MDStat struct {
-	// Name of the device.
-	Name string
-	// activity-state of the device.
-	ActivityState string
-	// Number of active disks.
-	DisksActive int64
-	// Total number of disks the device requires.
-	DisksTotal int64
-	// Number of failed disks.
-	DisksFailed int64
-	// Number of "down" disks. (the _ indicator in the status line)
-	DisksDown int64
-	// Spare disks in the device.
-	DisksSpare int64
-	// Number of blocks the device holds.
-	BlocksTotal int64
-	// Number of blocks on the device that are in sync.
-	BlocksSynced int64
-	// progress percentage of current sync
-	BlocksSyncedPct float64
-	// estimated finishing time for current sync (in minutes)
-	BlocksSyncedFinishTime float64
-	// current sync speed (in Kilobytes/sec)
-	BlocksSyncedSpeed float64
-	// Name of md component devices
-	Devices []string
-}
-
-// MDStat parses an mdstat-file (/proc/mdstat) and returns a slice of
-// structs containing the relevant info.  More information available here:
-// https://raid.wiki.kernel.org/index.php/Mdstat
-func (fs FS) MDStat() ([]MDStat, error) {
-	data, err := ioutil.ReadFile(fs.proc.Path("mdstat"))
-	if err != nil {
-		return nil, err
-	}
-	mdstat, err := parseMDStat(data)
-	if err != nil {
-		return nil, fmt.Errorf("error parsing mdstat %q: %w", fs.proc.Path("mdstat"), err)
-	}
-	return mdstat, nil
-}
-
-// parseMDStat parses data from mdstat file (/proc/mdstat) and returns a slice of
-// structs containing the relevant info.
-func parseMDStat(mdStatData []byte) ([]MDStat, error) {
-	mdStats := []MDStat{}
-	lines := strings.Split(string(mdStatData), "\n")
-
-	for i, line := range lines {
-		if strings.TrimSpace(line) == "" || line[0] == ' ' ||
-			strings.HasPrefix(line, "Personalities") ||
-			strings.HasPrefix(line, "unused") {
-			continue
-		}
-
-		deviceFields := strings.Fields(line)
-		if len(deviceFields) < 3 {
-			return nil, fmt.Errorf("not enough fields in mdline (expected at least 3): %s", line)
-		}
-		mdName := deviceFields[0] // mdx
-		state := deviceFields[2]  // active or inactive
-
-		if len(lines) <= i+3 {
-			return nil, fmt.Errorf("error parsing %q: too few lines for md device", mdName)
-		}
-
-		// Failed disks have the suffix (F) & Spare disks have the suffix (S).
-		fail := int64(strings.Count(line, "(F)"))
-		spare := int64(strings.Count(line, "(S)"))
-		active, total, down, size, err := evalStatusLine(lines[i], lines[i+1])
-
-		if err != nil {
-			return nil, fmt.Errorf("error parsing md device lines: %w", err)
-		}
-
-		syncLineIdx := i + 2
-		if strings.Contains(lines[i+2], "bitmap") { // skip bitmap line
-			syncLineIdx++
-		}
-
-		// If device is syncing at the moment, get the number of currently
-		// synced bytes, otherwise that number equals the size of the device.
-		syncedBlocks := size
-		speed := float64(0)
-		finish := float64(0)
-		pct := float64(0)
-		recovering := strings.Contains(lines[syncLineIdx], "recovery")
-		resyncing := strings.Contains(lines[syncLineIdx], "resync")
-		checking := strings.Contains(lines[syncLineIdx], "check")
-
-		// Append recovery and resyncing state info.
-		if recovering || resyncing || checking {
-			if recovering {
-				state = "recovering"
-			} else if checking {
-				state = "checking"
-			} else {
-				state = "resyncing"
-			}
-
-			// Handle case when resync=PENDING or resync=DELAYED.
-			if strings.Contains(lines[syncLineIdx], "PENDING") ||
-				strings.Contains(lines[syncLineIdx], "DELAYED") {
-				syncedBlocks = 0
-			} else {
-				syncedBlocks, pct, finish, speed, err = evalRecoveryLine(lines[syncLineIdx])
-				if err != nil {
-					return nil, fmt.Errorf("error parsing sync line in md device %q: %w", mdName, err)
-				}
-			}
-		}
-
-		mdStats = append(mdStats, MDStat{
-			Name:                   mdName,
-			ActivityState:          state,
-			DisksActive:            active,
-			DisksFailed:            fail,
-			DisksDown:              down,
-			DisksSpare:             spare,
-			DisksTotal:             total,
-			BlocksTotal:            size,
-			BlocksSynced:           syncedBlocks,
-			BlocksSyncedPct:        pct,
-			BlocksSyncedFinishTime: finish,
-			BlocksSyncedSpeed:      speed,
-			Devices:                evalComponentDevices(deviceFields),
-		})
-	}
-
-	return mdStats, nil
-}
-
-func evalStatusLine(deviceLine, statusLine string) (active, total, down, size int64, err error) {
-
-	sizeStr := strings.Fields(statusLine)[0]
-	size, err = strconv.ParseInt(sizeStr, 10, 64)
-	if err != nil {
-		return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
-	}
-
-	if strings.Contains(deviceLine, "raid0") || strings.Contains(deviceLine, "linear") {
-		// In the device deviceLine, only disks have a number associated with them in [].
-		total = int64(strings.Count(deviceLine, "["))
-		return total, total, 0, size, nil
-	}
-
-	if strings.Contains(deviceLine, "inactive") {
-		return 0, 0, 0, size, nil
-	}
-
-	matches := statusLineRE.FindStringSubmatch(statusLine)
-	if len(matches) != 5 {
-		return 0, 0, 0, 0, fmt.Errorf("couldn't find all the substring matches: %s", statusLine)
-	}
-
-	total, err = strconv.ParseInt(matches[2], 10, 64)
-	if err != nil {
-		return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
-	}
-
-	active, err = strconv.ParseInt(matches[3], 10, 64)
-	if err != nil {
-		return 0, 0, 0, 0, fmt.Errorf("unexpected statusLine %q: %w", statusLine, err)
-	}
-	down = int64(strings.Count(matches[4], "_"))
-
-	return active, total, down, size, nil
-}
-
-func evalRecoveryLine(recoveryLine string) (syncedBlocks int64, pct float64, finish float64, speed float64, err error) {
-	matches := recoveryLineBlocksRE.FindStringSubmatch(recoveryLine)
-	if len(matches) != 2 {
-		return 0, 0, 0, 0, fmt.Errorf("unexpected recoveryLine: %s", recoveryLine)
-	}
-
-	syncedBlocks, err = strconv.ParseInt(matches[1], 10, 64)
-	if err != nil {
-		return 0, 0, 0, 0, fmt.Errorf("error parsing int from recoveryLine %q: %w", recoveryLine, err)
-	}
-
-	// Get percentage complete
-	matches = recoveryLinePctRE.FindStringSubmatch(recoveryLine)
-	if len(matches) != 2 {
-		return syncedBlocks, 0, 0, 0, fmt.Errorf("unexpected recoveryLine matching percentage: %s", recoveryLine)
-	}
-	pct, err = strconv.ParseFloat(strings.TrimSpace(matches[1]), 64)
-	if err != nil {
-		return syncedBlocks, 0, 0, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
-	}
-
-	// Get time expected left to complete
-	matches = recoveryLineFinishRE.FindStringSubmatch(recoveryLine)
-	if len(matches) != 2 {
-		return syncedBlocks, pct, 0, 0, fmt.Errorf("unexpected recoveryLine matching est. finish time: %s", recoveryLine)
-	}
-	finish, err = strconv.ParseFloat(matches[1], 64)
-	if err != nil {
-		return syncedBlocks, pct, 0, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
-	}
-
-	// Get recovery speed
-	matches = recoveryLineSpeedRE.FindStringSubmatch(recoveryLine)
-	if len(matches) != 2 {
-		return syncedBlocks, pct, finish, 0, fmt.Errorf("unexpected recoveryLine matching speed: %s", recoveryLine)
-	}
-	speed, err = strconv.ParseFloat(matches[1], 64)
-	if err != nil {
-		return syncedBlocks, pct, finish, 0, fmt.Errorf("error parsing float from recoveryLine %q: %w", recoveryLine, err)
-	}
-
-	return syncedBlocks, pct, finish, speed, nil
-}
-
-func evalComponentDevices(deviceFields []string) []string {
-	mdComponentDevices := make([]string, 0)
-	if len(deviceFields) > 3 {
-		for _, field := range deviceFields[4:] {
-			match := componentDeviceRE.FindStringSubmatch(field)
-			if match == nil {
-				continue
-			}
-			mdComponentDevices = append(mdComponentDevices, match[1])
-		}
-	}
-
-	return mdComponentDevices
-}