[VOL-5486] Fix deprecated versions
Change-Id: If0b888d6c2f33b2f415c8b03b08dc994bb3df3f4
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/github.com/prometheus/procfs/mdstat.go b/vendor/github.com/prometheus/procfs/mdstat.go
new file mode 100644
index 0000000..67a9d2b
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/mdstat.go
@@ -0,0 +1,276 @@
+// 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"
+ "os"
+ "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
+ // Number of blocks on the device that need to be synced.
+ BlocksToBeSynced 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 := os.ReadFile(fs.proc.Path("mdstat"))
+ if err != nil {
+ return nil, err
+ }
+ mdstat, err := parseMDStat(data)
+ if err != nil {
+ return nil, fmt.Errorf("%w: Cannot parse %v: %w", ErrFileParse, 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("%w: Expected 3+ lines, got %q", ErrFileParse, line)
+ }
+ mdName := deviceFields[0] // mdx
+ state := deviceFields[2] // active or inactive
+
+ if len(lines) <= i+3 {
+ return nil, fmt.Errorf("%w: Too few lines for md device: %q", ErrFileParse, 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("%w: Cannot parse md device lines: %v: %w", ErrFileParse, active, 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.
+ blocksSynced := size
+ blocksToBeSynced := 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") {
+ blocksSynced = 0
+ } else {
+ blocksSynced, blocksToBeSynced, pct, finish, speed, err = evalRecoveryLine(lines[syncLineIdx])
+ if err != nil {
+ return nil, fmt.Errorf("%w: Cannot parse sync line in md device: %q: %w", ErrFileParse, mdName, err)
+ }
+ }
+ }
+
+ mdStats = append(mdStats, MDStat{
+ Name: mdName,
+ ActivityState: state,
+ DisksActive: active,
+ DisksFailed: fail,
+ DisksDown: down,
+ DisksSpare: spare,
+ DisksTotal: total,
+ BlocksTotal: size,
+ BlocksSynced: blocksSynced,
+ BlocksToBeSynced: blocksToBeSynced,
+ BlocksSyncedPct: pct,
+ BlocksSyncedFinishTime: finish,
+ BlocksSyncedSpeed: speed,
+ Devices: evalComponentDevices(deviceFields),
+ })
+ }
+
+ return mdStats, nil
+}
+
+func evalStatusLine(deviceLine, statusLine string) (active, total, down, size int64, err error) {
+ statusFields := strings.Fields(statusLine)
+ if len(statusFields) < 1 {
+ return 0, 0, 0, 0, fmt.Errorf("%w: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
+ }
+
+ sizeStr := statusFields[0]
+ size, err = strconv.ParseInt(sizeStr, 10, 64)
+ if err != nil {
+ return 0, 0, 0, 0, fmt.Errorf("%w: Unexpected statusline %q: %w", ErrFileParse, 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("%w: Could not fild all substring matches %s: %w", ErrFileParse, statusLine, err)
+ }
+
+ total, err = strconv.ParseInt(matches[2], 10, 64)
+ if err != nil {
+ return 0, 0, 0, 0, fmt.Errorf("%w: Unexpected statusline %q: %w", ErrFileParse, statusLine, err)
+ }
+
+ active, err = strconv.ParseInt(matches[3], 10, 64)
+ if err != nil {
+ return 0, 0, 0, 0, fmt.Errorf("%w: Unexpected active %d: %w", ErrFileParse, active, err)
+ }
+ down = int64(strings.Count(matches[4], "_"))
+
+ return active, total, down, size, nil
+}
+
+func evalRecoveryLine(recoveryLine string) (blocksSynced int64, blocksToBeSynced int64, pct float64, finish float64, speed float64, err error) {
+ matches := recoveryLineBlocksRE.FindStringSubmatch(recoveryLine)
+ if len(matches) != 2 {
+ return 0, 0, 0, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine blocks %s: %w", ErrFileParse, recoveryLine, err)
+ }
+
+ blocks := strings.Split(matches[1], "/")
+ blocksSynced, err = strconv.ParseInt(blocks[0], 10, 64)
+ if err != nil {
+ return 0, 0, 0, 0, 0, fmt.Errorf("%w: Unable to parse recovery blocks synced %q: %w", ErrFileParse, matches[1], err)
+ }
+
+ blocksToBeSynced, err = strconv.ParseInt(blocks[1], 10, 64)
+ if err != nil {
+ return blocksSynced, 0, 0, 0, 0, fmt.Errorf("%w: Unable to parse recovery to be synced blocks %q: %w", ErrFileParse, matches[2], err)
+ }
+
+ // Get percentage complete
+ matches = recoveryLinePctRE.FindStringSubmatch(recoveryLine)
+ if len(matches) != 2 {
+ return blocksSynced, blocksToBeSynced, 0, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine matching percentage %s", ErrFileParse, recoveryLine)
+ }
+ pct, err = strconv.ParseFloat(strings.TrimSpace(matches[1]), 64)
+ if err != nil {
+ return blocksSynced, blocksToBeSynced, 0, 0, 0, fmt.Errorf("%w: Error parsing float from recoveryLine %q", ErrFileParse, recoveryLine)
+ }
+
+ // Get time expected left to complete
+ matches = recoveryLineFinishRE.FindStringSubmatch(recoveryLine)
+ if len(matches) != 2 {
+ return blocksSynced, blocksToBeSynced, pct, 0, 0, fmt.Errorf("%w: Unexpected recoveryLine matching est. finish time: %s", ErrFileParse, recoveryLine)
+ }
+ finish, err = strconv.ParseFloat(matches[1], 64)
+ if err != nil {
+ return blocksSynced, blocksToBeSynced, pct, 0, 0, fmt.Errorf("%w: Unable to parse float from recoveryLine: %q", ErrFileParse, recoveryLine)
+ }
+
+ // Get recovery speed
+ matches = recoveryLineSpeedRE.FindStringSubmatch(recoveryLine)
+ if len(matches) != 2 {
+ return blocksSynced, blocksToBeSynced, pct, finish, 0, fmt.Errorf("%w: Unexpected recoveryLine value: %s", ErrFileParse, recoveryLine)
+ }
+ speed, err = strconv.ParseFloat(matches[1], 64)
+ if err != nil {
+ return blocksSynced, blocksToBeSynced, pct, finish, 0, fmt.Errorf("%w: Error parsing float from recoveryLine: %q: %w", ErrFileParse, recoveryLine, err)
+ }
+
+ return blocksSynced, blocksToBeSynced, 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
+}