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fix chown and seccomp

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Signed-off-by: Jess Frazelle <acidburn@microsoft.com>
This commit is contained in:
Jess Frazelle 2018-03-22 09:22:44 -04:00
parent 60f032f6f5
commit 2569457739
8197 changed files with 30742 additions and 1596554 deletions
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84
vendor/github.com/prometheus/procfs/bcache/bcache.go generated vendored
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@ -1,84 +0,0 @@
// Copyright 2017 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 bcache provides access to statistics exposed by the bcache (Linux
// block cache).
package bcache
// Stats contains bcache runtime statistics, parsed from /sys/fs/bcache/.
//
// The names and meanings of each statistic were taken from bcache.txt and
// files in drivers/md/bcache in the Linux kernel source. Counters are uint64
// (in-kernel counters are mostly unsigned long).
type Stats struct {
// The name of the bcache used to source these statistics.
Name string
Bcache BcacheStats
Bdevs []BdevStats
Caches []CacheStats
}
// BcacheStats contains statistics tied to a bcache ID.
type BcacheStats struct {
AverageKeySize uint64
BtreeCacheSize uint64
CacheAvailablePercent uint64
Congested uint64
RootUsagePercent uint64
TreeDepth uint64
Internal InternalStats
FiveMin PeriodStats
Total PeriodStats
}
// BdevStats contains statistics for one backing device.
type BdevStats struct {
Name string
DirtyData uint64
FiveMin PeriodStats
Total PeriodStats
}
// CacheStats contains statistics for one cache device.
type CacheStats struct {
Name string
IOErrors uint64
MetadataWritten uint64
Written uint64
Priority PriorityStats
}
// PriorityStats contains statistics from the priority_stats file.
type PriorityStats struct {
UnusedPercent uint64
MetadataPercent uint64
}
// InternalStats contains internal bcache statistics.
type InternalStats struct {
ActiveJournalEntries uint64
BtreeNodes uint64
BtreeReadAverageDurationNanoSeconds uint64
CacheReadRaces uint64
}
// PeriodStats contains statistics for a time period (5 min or total).
type PeriodStats struct {
Bypassed uint64
CacheBypassHits uint64
CacheBypassMisses uint64
CacheHits uint64
CacheMissCollisions uint64
CacheMisses uint64
CacheReadaheads uint64
}

330
vendor/github.com/prometheus/procfs/bcache/get.go generated vendored
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@ -1,330 +0,0 @@
// Copyright 2017 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 bcache
import (
"bufio"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strconv"
"strings"
)
// ParsePseudoFloat parses the peculiar format produced by bcache's bch_hprint.
func parsePseudoFloat(str string) (float64, error) {
ss := strings.Split(str, ".")
intPart, err := strconv.ParseFloat(ss[0], 64)
if err != nil {
return 0, err
}
if len(ss) == 1 {
// Pure integers are fine.
return intPart, nil
}
fracPart, err := strconv.ParseFloat(ss[1], 64)
if err != nil {
return 0, err
}
// fracPart is a number between 0 and 1023 divided by 100; it is off
// by a small amount. Unexpected bumps in time lines may occur because
// for bch_hprint .1 != .10 and .10 > .9 (at least up to Linux
// v4.12-rc3).
// Restore the proper order:
fracPart = fracPart / 10.24
return intPart + fracPart, nil
}
// Dehumanize converts a human-readable byte slice into a uint64.
func dehumanize(hbytes []byte) (uint64, error) {
ll := len(hbytes)
if ll == 0 {
return 0, fmt.Errorf("zero-length reply")
}
lastByte := hbytes[ll-1]
mul := float64(1)
var (
mant float64
err error
)
// If lastByte is beyond the range of ASCII digits, it must be a
// multiplier.
if lastByte > 57 {
// Remove multiplier from slice.
hbytes = hbytes[:len(hbytes)-1]
const (
_ = 1 << (10 * iota)
KiB
MiB
GiB
TiB
PiB
EiB
ZiB
YiB
)
multipliers := map[rune]float64{
// Source for conversion rules:
// linux-kernel/drivers/md/bcache/util.c:bch_hprint()
'k': KiB,
'M': MiB,
'G': GiB,
'T': TiB,
'P': PiB,
'E': EiB,
'Z': ZiB,
'Y': YiB,
}
mul = multipliers[rune(lastByte)]
mant, err = parsePseudoFloat(string(hbytes))
if err != nil {
return 0, err
}
} else {
// Not humanized by bch_hprint
mant, err = strconv.ParseFloat(string(hbytes), 64)
if err != nil {
return 0, err
}
}
res := uint64(mant * mul)
return res, nil
}
type parser struct {
uuidPath string
subDir string
currentDir string
err error
}
func (p *parser) setSubDir(pathElements ...string) {
p.subDir = path.Join(pathElements...)
p.currentDir = path.Join(p.uuidPath, p.subDir)
}
func (p *parser) readValue(fileName string) uint64 {
if p.err != nil {
return 0
}
path := path.Join(p.currentDir, fileName)
byt, err := ioutil.ReadFile(path)
if err != nil {
p.err = fmt.Errorf("failed to read: %s", path)
return 0
}
// Remove trailing newline.
byt = byt[:len(byt)-1]
res, err := dehumanize(byt)
p.err = err
return res
}
// ParsePriorityStats parses lines from the priority_stats file.
func parsePriorityStats(line string, ps *PriorityStats) error {
var (
value uint64
err error
)
switch {
case strings.HasPrefix(line, "Unused:"):
fields := strings.Fields(line)
rawValue := fields[len(fields)-1]
valueStr := strings.TrimSuffix(rawValue, "%")
value, err = strconv.ParseUint(valueStr, 10, 64)
if err != nil {
return err
}
ps.UnusedPercent = value
case strings.HasPrefix(line, "Metadata:"):
fields := strings.Fields(line)
rawValue := fields[len(fields)-1]
valueStr := strings.TrimSuffix(rawValue, "%")
value, err = strconv.ParseUint(valueStr, 10, 64)
if err != nil {
return err
}
ps.MetadataPercent = value
}
return nil
}
func (p *parser) getPriorityStats() PriorityStats {
var res PriorityStats
if p.err != nil {
return res
}
path := path.Join(p.currentDir, "priority_stats")
file, err := os.Open(path)
if err != nil {
p.err = fmt.Errorf("failed to read: %s", path)
return res
}
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
err = parsePriorityStats(scanner.Text(), &res)
if err != nil {
p.err = fmt.Errorf("failed to parse: %s (%s)", path, err)
return res
}
}
if err := scanner.Err(); err != nil {
p.err = fmt.Errorf("failed to parse: %s (%s)", path, err)
return res
}
return res
}
// GetStats collects from sysfs files data tied to one bcache ID.
func GetStats(uuidPath string) (*Stats, error) {
var bs Stats
par := parser{uuidPath: uuidPath}
// bcache stats
// dir <uuidPath>
par.setSubDir("")
bs.Bcache.AverageKeySize = par.readValue("average_key_size")
bs.Bcache.BtreeCacheSize = par.readValue("btree_cache_size")
bs.Bcache.CacheAvailablePercent = par.readValue("cache_available_percent")
bs.Bcache.Congested = par.readValue("congested")
bs.Bcache.RootUsagePercent = par.readValue("root_usage_percent")
bs.Bcache.TreeDepth = par.readValue("tree_depth")
// bcache stats (internal)
// dir <uuidPath>/internal
par.setSubDir("internal")
bs.Bcache.Internal.ActiveJournalEntries = par.readValue("active_journal_entries")
bs.Bcache.Internal.BtreeNodes = par.readValue("btree_nodes")
bs.Bcache.Internal.BtreeReadAverageDurationNanoSeconds = par.readValue("btree_read_average_duration_us")
bs.Bcache.Internal.CacheReadRaces = par.readValue("cache_read_races")
// bcache stats (period)
// dir <uuidPath>/stats_five_minute
par.setSubDir("stats_five_minute")
bs.Bcache.FiveMin.Bypassed = par.readValue("bypassed")
bs.Bcache.FiveMin.CacheHits = par.readValue("cache_hits")
bs.Bcache.FiveMin.Bypassed = par.readValue("bypassed")
bs.Bcache.FiveMin.CacheBypassHits = par.readValue("cache_bypass_hits")
bs.Bcache.FiveMin.CacheBypassMisses = par.readValue("cache_bypass_misses")
bs.Bcache.FiveMin.CacheHits = par.readValue("cache_hits")
bs.Bcache.FiveMin.CacheMissCollisions = par.readValue("cache_miss_collisions")
bs.Bcache.FiveMin.CacheMisses = par.readValue("cache_misses")
bs.Bcache.FiveMin.CacheReadaheads = par.readValue("cache_readaheads")
// dir <uuidPath>/stats_total
par.setSubDir("stats_total")
bs.Bcache.Total.Bypassed = par.readValue("bypassed")
bs.Bcache.Total.CacheHits = par.readValue("cache_hits")
bs.Bcache.Total.Bypassed = par.readValue("bypassed")
bs.Bcache.Total.CacheBypassHits = par.readValue("cache_bypass_hits")
bs.Bcache.Total.CacheBypassMisses = par.readValue("cache_bypass_misses")
bs.Bcache.Total.CacheHits = par.readValue("cache_hits")
bs.Bcache.Total.CacheMissCollisions = par.readValue("cache_miss_collisions")
bs.Bcache.Total.CacheMisses = par.readValue("cache_misses")
bs.Bcache.Total.CacheReadaheads = par.readValue("cache_readaheads")
if par.err != nil {
return nil, par.err
}
// bdev stats
reg := path.Join(uuidPath, "bdev[0-9]*")
bdevDirs, err := filepath.Glob(reg)
if err != nil {
return nil, err
}
bs.Bdevs = make([]BdevStats, len(bdevDirs))
for ii, bdevDir := range bdevDirs {
var bds = &bs.Bdevs[ii]
bds.Name = filepath.Base(bdevDir)
par.setSubDir(bds.Name)
bds.DirtyData = par.readValue("dirty_data")
// dir <uuidPath>/<bds.Name>/stats_five_minute
par.setSubDir(bds.Name, "stats_five_minute")
bds.FiveMin.Bypassed = par.readValue("bypassed")
bds.FiveMin.CacheBypassHits = par.readValue("cache_bypass_hits")
bds.FiveMin.CacheBypassMisses = par.readValue("cache_bypass_misses")
bds.FiveMin.CacheHits = par.readValue("cache_hits")
bds.FiveMin.CacheMissCollisions = par.readValue("cache_miss_collisions")
bds.FiveMin.CacheMisses = par.readValue("cache_misses")
bds.FiveMin.CacheReadaheads = par.readValue("cache_readaheads")
// dir <uuidPath>/<bds.Name>/stats_total
par.setSubDir("stats_total")
bds.Total.Bypassed = par.readValue("bypassed")
bds.Total.CacheBypassHits = par.readValue("cache_bypass_hits")
bds.Total.CacheBypassMisses = par.readValue("cache_bypass_misses")
bds.Total.CacheHits = par.readValue("cache_hits")
bds.Total.CacheMissCollisions = par.readValue("cache_miss_collisions")
bds.Total.CacheMisses = par.readValue("cache_misses")
bds.Total.CacheReadaheads = par.readValue("cache_readaheads")
}
if par.err != nil {
return nil, par.err
}
// cache stats
reg = path.Join(uuidPath, "cache[0-9]*")
cacheDirs, err := filepath.Glob(reg)
if err != nil {
return nil, err
}
bs.Caches = make([]CacheStats, len(cacheDirs))
for ii, cacheDir := range cacheDirs {
var cs = &bs.Caches[ii]
cs.Name = filepath.Base(cacheDir)
// dir is <uuidPath>/<cs.Name>
par.setSubDir(cs.Name)
cs.IOErrors = par.readValue("io_errors")
cs.MetadataWritten = par.readValue("metadata_written")
cs.Written = par.readValue("written")
ps := par.getPriorityStats()
cs.Priority = ps
}
if par.err != nil {
return nil, par.err
}
return &bs, nil
}

114
vendor/github.com/prometheus/procfs/bcache/get_test.go generated vendored
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@ -1,114 +0,0 @@
// Copyright 2017 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 bcache
import (
"math"
"testing"
)
func TestDehumanizeTests(t *testing.T) {
dehumanizeTests := []struct {
in []byte
out uint64
invalid bool
}{
{
in: []byte("542k"),
out: 555008,
},
{
in: []byte("322M"),
out: 337641472,
},
{
in: []byte("1.1k"),
out: 1124,
},
{
in: []byte("1.9k"),
out: 1924,
},
{
in: []byte("1.10k"),
out: 2024,
},
{
in: []byte(""),
out: 0,
invalid: true,
},
}
for _, tst := range dehumanizeTests {
got, err := dehumanize(tst.in)
if tst.invalid && err == nil {
t.Error("expected an error, but none occurred")
}
if !tst.invalid && err != nil {
t.Errorf("unexpected error: %v", err)
}
if got != tst.out {
t.Errorf("dehumanize: '%s', want %d, got %d", tst.in, tst.out, got)
}
}
}
func TestParsePseudoFloatTests(t *testing.T) {
parsePseudoFloatTests := []struct {
in string
out float64
}{
{
in: "1.1",
out: float64(1.097656),
},
{
in: "1.9",
out: float64(1.878906),
},
{
in: "1.10",
out: float64(1.976562),
},
}
for _, tst := range parsePseudoFloatTests {
got, err := parsePseudoFloat(tst.in)
if err != nil || math.Abs(got-tst.out) > 0.0001 {
t.Errorf("parsePseudoFloat: %s, want %f, got %f", tst.in, tst.out, got)
}
}
}
func TestPriorityStats(t *testing.T) {
var want = PriorityStats{
UnusedPercent: 99,
MetadataPercent: 5,
}
var (
in string
gotErr error
got PriorityStats
)
in = "Metadata: 5%"
gotErr = parsePriorityStats(in, &got)
if gotErr != nil || got.MetadataPercent != want.MetadataPercent {
t.Errorf("parsePriorityStats: '%s', want %d, got %d", in, want.MetadataPercent, got.MetadataPercent)
}
in = "Unused: 99%"
gotErr = parsePriorityStats(in, &got)
if gotErr != nil || got.UnusedPercent != want.UnusedPercent {
t.Errorf("parsePriorityStats: '%s', want %d, got %d", in, want.UnusedPercent, got.UnusedPercent)
}
}