forked from forgejo/forgejo
Prometheus endpoint (#5256)
* Add prometheus collector and route * dep ensure -add github.com/prometheus/client_golang/prometheus * dep ensure -update github.com/golang/protobuf * add metrics to reserved usernames * add comment head in metrics package * fix style imports * add metrics settings * add bearer token check * mapping metrics configs * fix lint * update config cheat sheet * update conf sample, typo fix
This commit is contained in:
parent
92fb89f6e1
commit
078c404c3b
112 changed files with 24693 additions and 3011 deletions
330
vendor/github.com/prometheus/procfs/xfs/parse.go
generated
vendored
Normal file
330
vendor/github.com/prometheus/procfs/xfs/parse.go
generated
vendored
Normal file
|
@ -0,0 +1,330 @@
|
|||
// 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 xfs
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"fmt"
|
||||
"io"
|
||||
"strings"
|
||||
|
||||
"github.com/prometheus/procfs/internal/util"
|
||||
)
|
||||
|
||||
// ParseStats parses a Stats from an input io.Reader, using the format
|
||||
// found in /proc/fs/xfs/stat.
|
||||
func ParseStats(r io.Reader) (*Stats, error) {
|
||||
const (
|
||||
// Fields parsed into stats structures.
|
||||
fieldExtentAlloc = "extent_alloc"
|
||||
fieldAbt = "abt"
|
||||
fieldBlkMap = "blk_map"
|
||||
fieldBmbt = "bmbt"
|
||||
fieldDir = "dir"
|
||||
fieldTrans = "trans"
|
||||
fieldIg = "ig"
|
||||
fieldLog = "log"
|
||||
fieldRw = "rw"
|
||||
fieldAttr = "attr"
|
||||
fieldIcluster = "icluster"
|
||||
fieldVnodes = "vnodes"
|
||||
fieldBuf = "buf"
|
||||
fieldXpc = "xpc"
|
||||
|
||||
// Unimplemented at this time due to lack of documentation.
|
||||
fieldPushAil = "push_ail"
|
||||
fieldXstrat = "xstrat"
|
||||
fieldAbtb2 = "abtb2"
|
||||
fieldAbtc2 = "abtc2"
|
||||
fieldBmbt2 = "bmbt2"
|
||||
fieldIbt2 = "ibt2"
|
||||
fieldFibt2 = "fibt2"
|
||||
fieldQm = "qm"
|
||||
fieldDebug = "debug"
|
||||
)
|
||||
|
||||
var xfss Stats
|
||||
|
||||
s := bufio.NewScanner(r)
|
||||
for s.Scan() {
|
||||
// Expect at least a string label and a single integer value, ex:
|
||||
// - abt 0
|
||||
// - rw 1 2
|
||||
ss := strings.Fields(string(s.Bytes()))
|
||||
if len(ss) < 2 {
|
||||
continue
|
||||
}
|
||||
label := ss[0]
|
||||
|
||||
// Extended precision counters are uint64 values.
|
||||
if label == fieldXpc {
|
||||
us, err := util.ParseUint64s(ss[1:])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
xfss.ExtendedPrecision, err = extendedPrecisionStats(us)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
continue
|
||||
}
|
||||
|
||||
// All other counters are uint32 values.
|
||||
us, err := util.ParseUint32s(ss[1:])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
switch label {
|
||||
case fieldExtentAlloc:
|
||||
xfss.ExtentAllocation, err = extentAllocationStats(us)
|
||||
case fieldAbt:
|
||||
xfss.AllocationBTree, err = btreeStats(us)
|
||||
case fieldBlkMap:
|
||||
xfss.BlockMapping, err = blockMappingStats(us)
|
||||
case fieldBmbt:
|
||||
xfss.BlockMapBTree, err = btreeStats(us)
|
||||
case fieldDir:
|
||||
xfss.DirectoryOperation, err = directoryOperationStats(us)
|
||||
case fieldTrans:
|
||||
xfss.Transaction, err = transactionStats(us)
|
||||
case fieldIg:
|
||||
xfss.InodeOperation, err = inodeOperationStats(us)
|
||||
case fieldLog:
|
||||
xfss.LogOperation, err = logOperationStats(us)
|
||||
case fieldRw:
|
||||
xfss.ReadWrite, err = readWriteStats(us)
|
||||
case fieldAttr:
|
||||
xfss.AttributeOperation, err = attributeOperationStats(us)
|
||||
case fieldIcluster:
|
||||
xfss.InodeClustering, err = inodeClusteringStats(us)
|
||||
case fieldVnodes:
|
||||
xfss.Vnode, err = vnodeStats(us)
|
||||
case fieldBuf:
|
||||
xfss.Buffer, err = bufferStats(us)
|
||||
}
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
return &xfss, s.Err()
|
||||
}
|
||||
|
||||
// extentAllocationStats builds an ExtentAllocationStats from a slice of uint32s.
|
||||
func extentAllocationStats(us []uint32) (ExtentAllocationStats, error) {
|
||||
if l := len(us); l != 4 {
|
||||
return ExtentAllocationStats{}, fmt.Errorf("incorrect number of values for XFS extent allocation stats: %d", l)
|
||||
}
|
||||
|
||||
return ExtentAllocationStats{
|
||||
ExtentsAllocated: us[0],
|
||||
BlocksAllocated: us[1],
|
||||
ExtentsFreed: us[2],
|
||||
BlocksFreed: us[3],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// btreeStats builds a BTreeStats from a slice of uint32s.
|
||||
func btreeStats(us []uint32) (BTreeStats, error) {
|
||||
if l := len(us); l != 4 {
|
||||
return BTreeStats{}, fmt.Errorf("incorrect number of values for XFS btree stats: %d", l)
|
||||
}
|
||||
|
||||
return BTreeStats{
|
||||
Lookups: us[0],
|
||||
Compares: us[1],
|
||||
RecordsInserted: us[2],
|
||||
RecordsDeleted: us[3],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// BlockMappingStat builds a BlockMappingStats from a slice of uint32s.
|
||||
func blockMappingStats(us []uint32) (BlockMappingStats, error) {
|
||||
if l := len(us); l != 7 {
|
||||
return BlockMappingStats{}, fmt.Errorf("incorrect number of values for XFS block mapping stats: %d", l)
|
||||
}
|
||||
|
||||
return BlockMappingStats{
|
||||
Reads: us[0],
|
||||
Writes: us[1],
|
||||
Unmaps: us[2],
|
||||
ExtentListInsertions: us[3],
|
||||
ExtentListDeletions: us[4],
|
||||
ExtentListLookups: us[5],
|
||||
ExtentListCompares: us[6],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// DirectoryOperationStats builds a DirectoryOperationStats from a slice of uint32s.
|
||||
func directoryOperationStats(us []uint32) (DirectoryOperationStats, error) {
|
||||
if l := len(us); l != 4 {
|
||||
return DirectoryOperationStats{}, fmt.Errorf("incorrect number of values for XFS directory operation stats: %d", l)
|
||||
}
|
||||
|
||||
return DirectoryOperationStats{
|
||||
Lookups: us[0],
|
||||
Creates: us[1],
|
||||
Removes: us[2],
|
||||
Getdents: us[3],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// TransactionStats builds a TransactionStats from a slice of uint32s.
|
||||
func transactionStats(us []uint32) (TransactionStats, error) {
|
||||
if l := len(us); l != 3 {
|
||||
return TransactionStats{}, fmt.Errorf("incorrect number of values for XFS transaction stats: %d", l)
|
||||
}
|
||||
|
||||
return TransactionStats{
|
||||
Sync: us[0],
|
||||
Async: us[1],
|
||||
Empty: us[2],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// InodeOperationStats builds an InodeOperationStats from a slice of uint32s.
|
||||
func inodeOperationStats(us []uint32) (InodeOperationStats, error) {
|
||||
if l := len(us); l != 7 {
|
||||
return InodeOperationStats{}, fmt.Errorf("incorrect number of values for XFS inode operation stats: %d", l)
|
||||
}
|
||||
|
||||
return InodeOperationStats{
|
||||
Attempts: us[0],
|
||||
Found: us[1],
|
||||
Recycle: us[2],
|
||||
Missed: us[3],
|
||||
Duplicate: us[4],
|
||||
Reclaims: us[5],
|
||||
AttributeChange: us[6],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// LogOperationStats builds a LogOperationStats from a slice of uint32s.
|
||||
func logOperationStats(us []uint32) (LogOperationStats, error) {
|
||||
if l := len(us); l != 5 {
|
||||
return LogOperationStats{}, fmt.Errorf("incorrect number of values for XFS log operation stats: %d", l)
|
||||
}
|
||||
|
||||
return LogOperationStats{
|
||||
Writes: us[0],
|
||||
Blocks: us[1],
|
||||
NoInternalBuffers: us[2],
|
||||
Force: us[3],
|
||||
ForceSleep: us[4],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// ReadWriteStats builds a ReadWriteStats from a slice of uint32s.
|
||||
func readWriteStats(us []uint32) (ReadWriteStats, error) {
|
||||
if l := len(us); l != 2 {
|
||||
return ReadWriteStats{}, fmt.Errorf("incorrect number of values for XFS read write stats: %d", l)
|
||||
}
|
||||
|
||||
return ReadWriteStats{
|
||||
Read: us[0],
|
||||
Write: us[1],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// AttributeOperationStats builds an AttributeOperationStats from a slice of uint32s.
|
||||
func attributeOperationStats(us []uint32) (AttributeOperationStats, error) {
|
||||
if l := len(us); l != 4 {
|
||||
return AttributeOperationStats{}, fmt.Errorf("incorrect number of values for XFS attribute operation stats: %d", l)
|
||||
}
|
||||
|
||||
return AttributeOperationStats{
|
||||
Get: us[0],
|
||||
Set: us[1],
|
||||
Remove: us[2],
|
||||
List: us[3],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// InodeClusteringStats builds an InodeClusteringStats from a slice of uint32s.
|
||||
func inodeClusteringStats(us []uint32) (InodeClusteringStats, error) {
|
||||
if l := len(us); l != 3 {
|
||||
return InodeClusteringStats{}, fmt.Errorf("incorrect number of values for XFS inode clustering stats: %d", l)
|
||||
}
|
||||
|
||||
return InodeClusteringStats{
|
||||
Iflush: us[0],
|
||||
Flush: us[1],
|
||||
FlushInode: us[2],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// VnodeStats builds a VnodeStats from a slice of uint32s.
|
||||
func vnodeStats(us []uint32) (VnodeStats, error) {
|
||||
// The attribute "Free" appears to not be available on older XFS
|
||||
// stats versions. Therefore, 7 or 8 elements may appear in
|
||||
// this slice.
|
||||
l := len(us)
|
||||
if l != 7 && l != 8 {
|
||||
return VnodeStats{}, fmt.Errorf("incorrect number of values for XFS vnode stats: %d", l)
|
||||
}
|
||||
|
||||
s := VnodeStats{
|
||||
Active: us[0],
|
||||
Allocate: us[1],
|
||||
Get: us[2],
|
||||
Hold: us[3],
|
||||
Release: us[4],
|
||||
Reclaim: us[5],
|
||||
Remove: us[6],
|
||||
}
|
||||
|
||||
// Skip adding free, unless it is present. The zero value will
|
||||
// be used in place of an actual count.
|
||||
if l == 7 {
|
||||
return s, nil
|
||||
}
|
||||
|
||||
s.Free = us[7]
|
||||
return s, nil
|
||||
}
|
||||
|
||||
// BufferStats builds a BufferStats from a slice of uint32s.
|
||||
func bufferStats(us []uint32) (BufferStats, error) {
|
||||
if l := len(us); l != 9 {
|
||||
return BufferStats{}, fmt.Errorf("incorrect number of values for XFS buffer stats: %d", l)
|
||||
}
|
||||
|
||||
return BufferStats{
|
||||
Get: us[0],
|
||||
Create: us[1],
|
||||
GetLocked: us[2],
|
||||
GetLockedWaited: us[3],
|
||||
BusyLocked: us[4],
|
||||
MissLocked: us[5],
|
||||
PageRetries: us[6],
|
||||
PageFound: us[7],
|
||||
GetRead: us[8],
|
||||
}, nil
|
||||
}
|
||||
|
||||
// ExtendedPrecisionStats builds an ExtendedPrecisionStats from a slice of uint32s.
|
||||
func extendedPrecisionStats(us []uint64) (ExtendedPrecisionStats, error) {
|
||||
if l := len(us); l != 3 {
|
||||
return ExtendedPrecisionStats{}, fmt.Errorf("incorrect number of values for XFS extended precision stats: %d", l)
|
||||
}
|
||||
|
||||
return ExtendedPrecisionStats{
|
||||
FlushBytes: us[0],
|
||||
WriteBytes: us[1],
|
||||
ReadBytes: us[2],
|
||||
}, nil
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue