add better generate
Signed-off-by: Jess Frazelle <acidburn@microsoft.com>
This commit is contained in:
Jess Frazelle
parent
3fc6abf56b
commit
cdd93563f5
5655 changed files with 1187011 additions and 392 deletions
1
vendor/github.com/prometheus/procfs/sysfs/.gitignore
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vendor/github.com/prometheus/procfs/sysfs/.gitignore
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fixtures/
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vendor/github.com/prometheus/procfs/sysfs/doc.go
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vendor/github.com/prometheus/procfs/sysfs/doc.go
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// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package sysfs provides functions to retrieve system and kernel metrics
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// from the pseudo-filesystem sys.
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package sysfs
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vendor/github.com/prometheus/procfs/sysfs/fixtures.ttar
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vendor/github.com/prometheus/procfs/sysfs/fixtures.ttar
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# Archive created by ttar -c -f fixtures.ttar fixtures/
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108
vendor/github.com/prometheus/procfs/sysfs/fs.go
generated
vendored
Normal file
108
vendor/github.com/prometheus/procfs/sysfs/fs.go
generated
vendored
Normal file
|
|
@ -0,0 +1,108 @@
|
|||
// 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 sysfs
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"path/filepath"
|
||||
|
||||
"github.com/prometheus/procfs/bcache"
|
||||
"github.com/prometheus/procfs/xfs"
|
||||
)
|
||||
|
||||
// FS represents the pseudo-filesystem sys, which provides an interface to
|
||||
// kernel data structures.
|
||||
type FS string
|
||||
|
||||
// DefaultMountPoint is the common mount point of the sys filesystem.
|
||||
const DefaultMountPoint = "/sys"
|
||||
|
||||
// NewFS returns a new FS mounted under the given mountPoint. It will error
|
||||
// if the mount point can't be read.
|
||||
func NewFS(mountPoint string) (FS, error) {
|
||||
info, err := os.Stat(mountPoint)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("could not read %s: %s", mountPoint, err)
|
||||
}
|
||||
if !info.IsDir() {
|
||||
return "", fmt.Errorf("mount point %s is not a directory", mountPoint)
|
||||
}
|
||||
|
||||
return FS(mountPoint), nil
|
||||
}
|
||||
|
||||
// Path returns the path of the given subsystem relative to the sys root.
|
||||
func (fs FS) Path(p ...string) string {
|
||||
return filepath.Join(append([]string{string(fs)}, p...)...)
|
||||
}
|
||||
|
||||
// XFSStats retrieves XFS filesystem runtime statistics for each mounted XFS
|
||||
// filesystem. Only available on kernel 4.4+. On older kernels, an empty
|
||||
// slice of *xfs.Stats will be returned.
|
||||
func (fs FS) XFSStats() ([]*xfs.Stats, error) {
|
||||
matches, err := filepath.Glob(fs.Path("fs/xfs/*/stats/stats"))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
stats := make([]*xfs.Stats, 0, len(matches))
|
||||
for _, m := range matches {
|
||||
f, err := os.Open(m)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// "*" used in glob above indicates the name of the filesystem.
|
||||
name := filepath.Base(filepath.Dir(filepath.Dir(m)))
|
||||
|
||||
// File must be closed after parsing, regardless of success or
|
||||
// failure. Defer is not used because of the loop.
|
||||
s, err := xfs.ParseStats(f)
|
||||
_ = f.Close()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
s.Name = name
|
||||
stats = append(stats, s)
|
||||
}
|
||||
|
||||
return stats, nil
|
||||
}
|
||||
|
||||
// BcacheStats retrieves bcache runtime statistics for each bcache.
|
||||
func (fs FS) BcacheStats() ([]*bcache.Stats, error) {
|
||||
matches, err := filepath.Glob(fs.Path("fs/bcache/*-*"))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
stats := make([]*bcache.Stats, 0, len(matches))
|
||||
for _, uuidPath := range matches {
|
||||
// "*-*" in glob above indicates the name of the bcache.
|
||||
name := filepath.Base(uuidPath)
|
||||
|
||||
// stats
|
||||
s, err := bcache.GetStats(uuidPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
s.Name = name
|
||||
stats = append(stats, s)
|
||||
}
|
||||
|
||||
return stats, nil
|
||||
}
|
||||
108
vendor/github.com/prometheus/procfs/sysfs/fs_test.go
generated
vendored
Normal file
108
vendor/github.com/prometheus/procfs/sysfs/fs_test.go
generated
vendored
Normal file
|
|
@ -0,0 +1,108 @@
|
|||
// 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 sysfs
|
||||
|
||||
import "testing"
|
||||
|
||||
func TestNewFS(t *testing.T) {
|
||||
if _, err := NewFS("foobar"); err == nil {
|
||||
t.Error("want NewFS to fail for non-existing mount point")
|
||||
}
|
||||
|
||||
if _, err := NewFS("doc.go"); err == nil {
|
||||
t.Error("want NewFS to fail if mount point is not a directory")
|
||||
}
|
||||
}
|
||||
|
||||
func TestFSXFSStats(t *testing.T) {
|
||||
stats, err := FS("fixtures").XFSStats()
|
||||
if err != nil {
|
||||
t.Fatalf("failed to parse XFS stats: %v", err)
|
||||
}
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
allocated uint32
|
||||
}{
|
||||
{
|
||||
name: "sda1",
|
||||
allocated: 1,
|
||||
},
|
||||
{
|
||||
name: "sdb1",
|
||||
allocated: 2,
|
||||
},
|
||||
}
|
||||
|
||||
const expect = 2
|
||||
|
||||
if l := len(stats); l != expect {
|
||||
t.Fatalf("unexpected number of XFS stats: %d", l)
|
||||
}
|
||||
if l := len(tests); l != expect {
|
||||
t.Fatalf("unexpected number of tests: %d", l)
|
||||
}
|
||||
|
||||
for i, tt := range tests {
|
||||
if want, got := tt.name, stats[i].Name; want != got {
|
||||
t.Errorf("unexpected stats name:\nwant: %q\nhave: %q", want, got)
|
||||
}
|
||||
|
||||
if want, got := tt.allocated, stats[i].ExtentAllocation.ExtentsAllocated; want != got {
|
||||
t.Errorf("unexpected extents allocated:\nwant: %d\nhave: %d", want, got)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestFSBcacheStats(t *testing.T) {
|
||||
stats, err := FS("fixtures").BcacheStats()
|
||||
if err != nil {
|
||||
t.Fatalf("failed to parse bcache stats: %v", err)
|
||||
}
|
||||
|
||||
tests := []struct {
|
||||
name string
|
||||
bdevs int
|
||||
caches int
|
||||
}{
|
||||
{
|
||||
name: "deaddd54-c735-46d5-868e-f331c5fd7c74",
|
||||
bdevs: 1,
|
||||
caches: 1,
|
||||
},
|
||||
}
|
||||
|
||||
const expect = 1
|
||||
|
||||
if l := len(stats); l != expect {
|
||||
t.Fatalf("unexpected number of bcache stats: %d", l)
|
||||
}
|
||||
if l := len(tests); l != expect {
|
||||
t.Fatalf("unexpected number of tests: %d", l)
|
||||
}
|
||||
|
||||
for i, tt := range tests {
|
||||
if want, got := tt.name, stats[i].Name; want != got {
|
||||
t.Errorf("unexpected stats name:\nwant: %q\nhave: %q", want, got)
|
||||
}
|
||||
|
||||
if want, got := tt.bdevs, len(stats[i].Bdevs); want != got {
|
||||
t.Errorf("unexpected value allocated:\nwant: %d\nhave: %d", want, got)
|
||||
}
|
||||
|
||||
if want, got := tt.caches, len(stats[i].Caches); want != got {
|
||||
t.Errorf("unexpected value allocated:\nwant: %d\nhave: %d", want, got)
|
||||
}
|
||||
}
|
||||
}
|
||||
165
vendor/github.com/prometheus/procfs/sysfs/net_class.go
generated
vendored
Normal file
165
vendor/github.com/prometheus/procfs/sysfs/net_class.go
generated
vendored
Normal file
|
|
@ -0,0 +1,165 @@
|
|||
// 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 sysfs
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"reflect"
|
||||
"strconv"
|
||||
"strings"
|
||||
"syscall"
|
||||
)
|
||||
|
||||
// NetClassIface contains info from files in /sys/class/net/<iface>
|
||||
// for single interface (iface).
|
||||
type NetClassIface struct {
|
||||
Name string // Interface name
|
||||
AddrAssignType int64 `fileName:"addr_assign_type"` // /sys/class/net/<iface>/addr_assign_type
|
||||
AddrLen int64 `fileName:"addr_len"` // /sys/class/net/<iface>/addr_len
|
||||
Address string `fileName:"address"` // /sys/class/net/<iface>/address
|
||||
Broadcast string `fileName:"broadcast"` // /sys/class/net/<iface>/broadcast
|
||||
Carrier int64 `fileName:"carrier"` // /sys/class/net/<iface>/carrier
|
||||
CarrierChanges int64 `fileName:"carrier_changes"` // /sys/class/net/<iface>/carrier_changes
|
||||
CarrierUpCount int64 `fileName:"carrier_up_count"` // /sys/class/net/<iface>/carrier_up_count
|
||||
CarrierDownCount int64 `fileName:"carrier_down_count"` // /sys/class/net/<iface>/carrier_down_count
|
||||
DevID int64 `fileName:"dev_id"` // /sys/class/net/<iface>/dev_id
|
||||
Dormant int64 `fileName:"dormant"` // /sys/class/net/<iface>/dormant
|
||||
Duplex string `fileName:"duplex"` // /sys/class/net/<iface>/duplex
|
||||
Flags int64 `fileName:"flags"` // /sys/class/net/<iface>/flags
|
||||
IfAlias string `fileName:"ifalias"` // /sys/class/net/<iface>/ifalias
|
||||
IfIndex int64 `fileName:"ifindex"` // /sys/class/net/<iface>/ifindex
|
||||
IfLink int64 `fileName:"iflink"` // /sys/class/net/<iface>/iflink
|
||||
LinkMode int64 `fileName:"link_mode"` // /sys/class/net/<iface>/link_mode
|
||||
MTU int64 `fileName:"mtu"` // /sys/class/net/<iface>/mtu
|
||||
NameAssignType int64 `fileName:"name_assign_type"` // /sys/class/net/<iface>/name_assign_type
|
||||
NetDevGroup int64 `fileName:"netdev_group"` // /sys/class/net/<iface>/netdev_group
|
||||
OperState string `fileName:"operstate"` // /sys/class/net/<iface>/operstate
|
||||
PhysPortID string `fileName:"phys_port_id"` // /sys/class/net/<iface>/phys_port_id
|
||||
PhysPortName string `fileName:"phys_port_name"` // /sys/class/net/<iface>/phys_port_name
|
||||
PhysSwitchID string `fileName:"phys_switch_id"` // /sys/class/net/<iface>/phys_switch_id
|
||||
Speed int64 `fileName:"speed"` // /sys/class/net/<iface>/speed
|
||||
TxQueueLen int64 `fileName:"tx_queue_len"` // /sys/class/net/<iface>/tx_queue_len
|
||||
Type int64 `fileName:"type"` // /sys/class/net/<iface>/type
|
||||
}
|
||||
|
||||
// NetClass is collection of info for every interface (iface) in /sys/class/net. The map keys
|
||||
// are interface (iface) names.
|
||||
type NetClass map[string]NetClassIface
|
||||
|
||||
// NewNetClass returns info for all net interfaces (iface) read from /sys/class/net/<iface>.
|
||||
func NewNetClass() (NetClass, error) {
|
||||
fs, err := NewFS(DefaultMountPoint)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return fs.NewNetClass()
|
||||
}
|
||||
|
||||
// NewNetClass returns info for all net interfaces (iface) read from /sys/class/net/<iface>.
|
||||
func (fs FS) NewNetClass() (NetClass, error) {
|
||||
path := fs.Path("class/net")
|
||||
|
||||
devices, err := ioutil.ReadDir(path)
|
||||
if err != nil {
|
||||
return NetClass{}, fmt.Errorf("cannot access %s dir %s", path, err)
|
||||
}
|
||||
|
||||
netClass := NetClass{}
|
||||
for _, deviceDir := range devices {
|
||||
interfaceClass, err := netClass.parseNetClassIface(path + "/" + deviceDir.Name())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
interfaceClass.Name = deviceDir.Name()
|
||||
netClass[deviceDir.Name()] = *interfaceClass
|
||||
}
|
||||
return netClass, nil
|
||||
}
|
||||
|
||||
// parseNetClassIface scans predefined files in /sys/class/net/<iface>
|
||||
// directory and gets their contents.
|
||||
func (nc NetClass) parseNetClassIface(devicePath string) (*NetClassIface, error) {
|
||||
interfaceClass := NetClassIface{}
|
||||
interfaceElem := reflect.ValueOf(&interfaceClass).Elem()
|
||||
interfaceType := reflect.TypeOf(interfaceClass)
|
||||
|
||||
//start from 1 - skip the Name field
|
||||
for i := 1; i < interfaceElem.NumField(); i++ {
|
||||
fieldType := interfaceType.Field(i)
|
||||
fieldValue := interfaceElem.Field(i)
|
||||
|
||||
if fieldType.Tag.Get("fileName") == "" {
|
||||
panic(fmt.Errorf("field %s does not have a filename tag", fieldType.Name))
|
||||
}
|
||||
|
||||
fileContents, err := sysReadFile(devicePath + "/" + fieldType.Tag.Get("fileName"))
|
||||
|
||||
if err != nil {
|
||||
if os.IsNotExist(err) || err.Error() == "operation not supported" || err.Error() == "invalid argument" {
|
||||
continue
|
||||
}
|
||||
return nil, fmt.Errorf("could not access file %s: %s", fieldType.Tag.Get("fileName"), err)
|
||||
}
|
||||
value := strings.TrimSpace(string(fileContents))
|
||||
|
||||
switch fieldValue.Kind() {
|
||||
case reflect.Int64:
|
||||
if strings.HasPrefix(value, "0x") {
|
||||
intValue, err := strconv.ParseInt(value[2:], 16, 64)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("expected hex value for %s, got: %s", fieldType.Name, value)
|
||||
}
|
||||
fieldValue.SetInt(intValue)
|
||||
} else {
|
||||
intValue, err := strconv.ParseInt(value, 10, 64)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("expected Uint64 value for %s, got: %s", fieldType.Name, value)
|
||||
}
|
||||
fieldValue.SetInt(intValue)
|
||||
}
|
||||
case reflect.String:
|
||||
fieldValue.SetString(value)
|
||||
default:
|
||||
return nil, fmt.Errorf("unhandled type %q", fieldValue.Kind())
|
||||
}
|
||||
}
|
||||
|
||||
return &interfaceClass, nil
|
||||
}
|
||||
|
||||
// sysReadFile is a simplified ioutil.ReadFile that invokes syscall.Read directly.
|
||||
// https://github.com/prometheus/node_exporter/pull/728/files
|
||||
func sysReadFile(file string) ([]byte, error) {
|
||||
f, err := os.Open(file)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
// On some machines, hwmon drivers are broken and return EAGAIN. This causes
|
||||
// Go's ioutil.ReadFile implementation to poll forever.
|
||||
//
|
||||
// Since we either want to read data or bail immediately, do the simplest
|
||||
// possible read using syscall directly.
|
||||
b := make([]byte, 128)
|
||||
n, err := syscall.Read(int(f.Fd()), b)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return b[:n], nil
|
||||
}
|
||||
67
vendor/github.com/prometheus/procfs/sysfs/net_class_test.go
generated
vendored
Normal file
67
vendor/github.com/prometheus/procfs/sysfs/net_class_test.go
generated
vendored
Normal file
|
|
@ -0,0 +1,67 @@
|
|||
// 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 sysfs
|
||||
|
||||
import (
|
||||
"reflect"
|
||||
"testing"
|
||||
)
|
||||
|
||||
func TestNewNetClass(t *testing.T) {
|
||||
fs, err := NewFS("fixtures")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
nc, err := fs.NewNetClass()
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
netClass := NetClass{
|
||||
"eth0": {
|
||||
Address: "01:01:01:01:01:01",
|
||||
AddrAssignType: 3,
|
||||
AddrLen: 6,
|
||||
Broadcast: "ff:ff:ff:ff:ff:ff",
|
||||
Carrier: 1,
|
||||
CarrierChanges: 2,
|
||||
CarrierDownCount: 1,
|
||||
CarrierUpCount: 1,
|
||||
DevID: 32,
|
||||
Dormant: 1,
|
||||
Duplex: "full",
|
||||
Flags: 4867,
|
||||
IfAlias: "",
|
||||
IfIndex: 2,
|
||||
IfLink: 2,
|
||||
LinkMode: 1,
|
||||
MTU: 1500,
|
||||
Name: "eth0",
|
||||
NameAssignType: 2,
|
||||
NetDevGroup: 0,
|
||||
OperState: "up",
|
||||
PhysPortID: "",
|
||||
PhysPortName: "",
|
||||
PhysSwitchID: "",
|
||||
Speed: 1000,
|
||||
TxQueueLen: 1000,
|
||||
Type: 1,
|
||||
},
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(netClass, nc) {
|
||||
t.Errorf("Result not correct: want %v, have %v", netClass, nc)
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue