mirror of
https://codeberg.org/scip/io-exporter.git
synced 2025-12-18 21:11:01 +01:00
Compare commits
2 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| 23fd9ab3a9 | |||
| 37f76b38ab |
@@ -1,67 +0,0 @@
|
||||
# vim: set ts=2 sw=2 tw=0 fo=cnqoj
|
||||
|
||||
version: 2
|
||||
|
||||
before:
|
||||
hooks:
|
||||
- go mod tidy
|
||||
|
||||
gitea_urls:
|
||||
api: https://codeberg.org/api/v1
|
||||
download: https://codeberg.org
|
||||
|
||||
builds:
|
||||
- env:
|
||||
- CGO_ENABLED=0
|
||||
goos:
|
||||
- linux
|
||||
- freebsd
|
||||
|
||||
archives:
|
||||
- formats: [tar.gz]
|
||||
# this name template makes the OS and Arch compatible with the results of `uname`.
|
||||
name_template: >-
|
||||
{{ .ProjectName }}_
|
||||
{{- title .Os }}_
|
||||
{{- if eq .Arch "amd64" }}x86_64
|
||||
{{- else if eq .Arch "386" }}i386
|
||||
{{- else }}{{ .Arch }}{{ end }}
|
||||
{{- if .Arm }}v{{ .Arm }}{{ end }}_{{ .Tag }}
|
||||
# use zip for windows archives
|
||||
format_overrides:
|
||||
- goos: windows
|
||||
formats: [zip]
|
||||
- goos: linux
|
||||
formats: [tar.gz,binary]
|
||||
files:
|
||||
- src: "*.md"
|
||||
strip_parent: true
|
||||
- src: "docs/*"
|
||||
strip_parent: true
|
||||
- src: Makefile.dist
|
||||
dst: Makefile
|
||||
wrap_in_directory: true
|
||||
|
||||
changelog:
|
||||
sort: asc
|
||||
filters:
|
||||
exclude:
|
||||
- "^docs:"
|
||||
- "^test:"
|
||||
groups:
|
||||
- title: Improved
|
||||
regexp: '^.*?(feat|add|new)(\([[:word:]]+\))??!?:.+$'
|
||||
order: 0
|
||||
- title: Fixed
|
||||
regexp: '^.*?(bug|fix)(\([[:word:]]+\))??!?:.+$'
|
||||
order: 1
|
||||
- title: Changed
|
||||
order: 999
|
||||
|
||||
release:
|
||||
header: "# Release Notes"
|
||||
footer: >-
|
||||
|
||||
---
|
||||
|
||||
Full Changelog: [{{ .PreviousTag }}...{{ .Tag }}](https://codeberg.org/scip/io-exporter/compare/{{ .PreviousTag }}...{{ .Tag }})
|
||||
@@ -1,27 +0,0 @@
|
||||
matrix:
|
||||
platform:
|
||||
- linux/amd64
|
||||
goversion:
|
||||
- 1.24
|
||||
|
||||
labels:
|
||||
platform: ${platform}
|
||||
|
||||
steps:
|
||||
build:
|
||||
when:
|
||||
event: [push]
|
||||
image: golang:${goversion}
|
||||
commands:
|
||||
- go get
|
||||
- go build
|
||||
- go test
|
||||
|
||||
linter:
|
||||
when:
|
||||
event: [push]
|
||||
image: golang:${goversion}
|
||||
commands:
|
||||
- curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.5.0
|
||||
- golangci-lint --version
|
||||
- golangci-lint run ./...
|
||||
@@ -1,32 +0,0 @@
|
||||
# https://woodpecker-ci.org/plugins/docker-buildx
|
||||
# enable Package unit and go to /scip/-/packages after building to link to proj
|
||||
|
||||
variables:
|
||||
- &repo codeberg.org/${CI_REPO_OWNER}/io-exporter
|
||||
|
||||
steps:
|
||||
dryrun:
|
||||
image: docker.io/woodpeckerci/plugin-docker-buildx:latest
|
||||
settings:
|
||||
dockerfile: Dockerfile
|
||||
platforms: linux/amd64
|
||||
dry_run: true
|
||||
repo: *repo
|
||||
tags: latest
|
||||
when:
|
||||
event: [pull_request]
|
||||
|
||||
publish:
|
||||
image: docker.io/woodpeckerci/plugin-docker-buildx:latest
|
||||
settings:
|
||||
dockerfile: Dockerfile
|
||||
platforms: linux/amd64
|
||||
repo: *repo
|
||||
registry: codeberg.org
|
||||
tags: latest,${CI_COMMIT_SHA:0:8},${CI_COMMIT_TAG}
|
||||
username: ${CI_REPO_OWNER}
|
||||
password:
|
||||
from_secret: REGISTRY_TOKEN
|
||||
when:
|
||||
event: [tag]
|
||||
branch: main
|
||||
@@ -1,15 +0,0 @@
|
||||
# build release
|
||||
|
||||
labels:
|
||||
platform: linux/amd64
|
||||
|
||||
steps:
|
||||
goreleaser:
|
||||
image: goreleaser/goreleaser
|
||||
when:
|
||||
event: [tag]
|
||||
environment:
|
||||
GITEA_TOKEN:
|
||||
from_secret: DEPLOY_TOKEN
|
||||
commands:
|
||||
- goreleaser release --clean --verbose
|
||||
@@ -1,4 +1,4 @@
|
||||
FROM golang:1.24-alpine AS builder
|
||||
FROM golang:1.24-alpine as builder
|
||||
|
||||
RUN apk update
|
||||
RUN apk upgrade
|
||||
|
||||
44
README.md
44
README.md
@@ -1,7 +1,3 @@
|
||||
[](https://codeberg.org/scip/io-exporter/actions)
|
||||
[](https://codeberg.org/scip/io-exporter/raw/branch/master/LICENSE)
|
||||
[](https://goreportcard.com/report/codeberg.org/scip/io-exporter)
|
||||
|
||||
# io-exporter
|
||||
|
||||
Report if a given filesystem is operating properly
|
||||
@@ -18,15 +14,10 @@ specified via commandline.
|
||||
```default
|
||||
io-exporter [options] <file>
|
||||
Options:
|
||||
-t --timeout <int> When should the operation timeout in seconds
|
||||
-s --sleeptime <int> Time to sleep between checks (default: 5s)
|
||||
-l --label <label=value> Add label to exported metric
|
||||
-i --internals Also add labels about resource usage
|
||||
-r --read Only execute the read test
|
||||
-w --write Only execute the write test
|
||||
-d --debug Enable debug log level
|
||||
-h --help Show help
|
||||
-v --version Show program version
|
||||
-t --timeout <int> When should the operation timeout in seconds
|
||||
-l --label <label=value> Add label to exported metric
|
||||
-h --help Show help
|
||||
-v --version Show program version
|
||||
```
|
||||
|
||||
## Output
|
||||
@@ -40,20 +31,14 @@ io-exporter -l foo=bar -l blah=blubb t/blah
|
||||
You'll get such metrics:
|
||||
|
||||
```default
|
||||
# HELP io_exporter_io_latency how long does the operation take in seconds
|
||||
# TYPE io_exporter_io_latency gauge
|
||||
io_exporter_io_latency{file="/tmp/blah",maxwait="1",namespace="debug",pod="foo1"} 0.0001142815
|
||||
# HELP io_exporter_io_operation whether io is working on the pvc, 1=ok, 0=fail
|
||||
# TYPE io_exporter_io_operation gauge
|
||||
io_exporter_io_operation{blah="blubb",exectime="1761148383705",file="t/blah",foo="bar",maxwait="1"} 1
|
||||
# HELP io_exporter_io_read_latency how long does the read operation take in seconds
|
||||
# TYPE io_exporter_io_read_latency gauge
|
||||
io_exporter_io_read_latency{blah="blubb",exectime="1761148383705",file="t/blah",foo="bar",maxwait="1"} 0.0040411716
|
||||
# HELP io_exporter_io_write_latency how long does the write operation take in seconds
|
||||
# TYPE io_exporter_io_write_latency gauge
|
||||
io_exporter_io_write_latency{blah="blubb",exectime="1761148383705",file="t/blah",foo="bar",maxwait="1"} 0
|
||||
io_exporter_io_operation{file="/tmp/blah",maxwait="1",namespace="debug",pod="foo1"} 1
|
||||
```
|
||||
|
||||
You may also restrict the exporter to only test read (`-r` flag) or
|
||||
write (`-w` flag) operation.
|
||||
|
||||
## Installation
|
||||
|
||||
There are no released binaries yet.
|
||||
@@ -88,21 +73,12 @@ docker compose run -v ./t:/pvc ioexporter /pvc/testfile
|
||||
Or use the pre-build image:
|
||||
|
||||
```default
|
||||
docker run -u `id -u $USER` -v ./t:/pvc codeberg.org/scip/io-exporter:latest /pvc/testfile
|
||||
docker run -u `id -u $USER` -v ./t:/pvc ghcr.io/tlinden/io-exporter:latest /pvc/testfile
|
||||
```
|
||||
|
||||
## Grafana
|
||||
|
||||
I provide a [sample dashboard](grafana), which you can add to your grafana or use
|
||||
as a starting point to integrate it into your monitoring setup.
|
||||
|
||||
It looks like this:
|
||||
|
||||
|
||||
|
||||
# Report bugs
|
||||
|
||||
[Please open an issue](https://codeberg.org/scip/io-exporter/issues). Thanks!
|
||||
[Please open an issue](https://github.com/TLINDEN/io-exporter/issues). Thanks!
|
||||
|
||||
# License
|
||||
|
||||
|
||||
1
blah
Normal file
1
blah
Normal file
@@ -0,0 +1 @@
|
||||
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
|
||||
16
cmd/alloc.go
16
cmd/alloc.go
@@ -1,11 +1,6 @@
|
||||
package cmd
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"errors"
|
||||
|
||||
"github.com/ncw/directio"
|
||||
)
|
||||
import "github.com/ncw/directio"
|
||||
|
||||
// aligned allocs used for testing
|
||||
type Alloc struct {
|
||||
@@ -30,12 +25,3 @@ func NewAlloc() *Alloc {
|
||||
readBlock: directio.AlignedBlock(directio.BlockSize),
|
||||
}
|
||||
}
|
||||
|
||||
func (alloc *Alloc) Compare() bool {
|
||||
// compare
|
||||
if !bytes.Equal(alloc.writeBlock, alloc.readBlock) {
|
||||
return report(errors.New("read not the same as written"), nil)
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
@@ -15,7 +15,7 @@ import (
|
||||
)
|
||||
|
||||
const (
|
||||
Version = `v0.0.8`
|
||||
Version = `v0.0.4`
|
||||
SLEEP = 5
|
||||
Usage = `io-exporter [options] <file>
|
||||
Options:
|
||||
@@ -23,15 +23,9 @@ Options:
|
||||
-s --sleeptime <int> Time to sleep between checks (default: 5s)
|
||||
-l --label <label=value> Add label to exported metric
|
||||
-i --internals Also add labels about resource usage
|
||||
-r --read Only execute the read test
|
||||
-w --write Only execute the write test
|
||||
-d --debug Enable debug log level
|
||||
-h --help Show help
|
||||
-v --version Show program version`
|
||||
|
||||
O_R = iota
|
||||
O_W
|
||||
O_RW
|
||||
)
|
||||
|
||||
// config via commandline flags
|
||||
@@ -40,8 +34,6 @@ type Config struct {
|
||||
Showhelp bool `koanf:"help"` // -h
|
||||
Internals bool `koanf:"internals"` // -i
|
||||
Debug bool `koanf:"debug"` // -d
|
||||
ReadMode bool `koanf:"read"` // -r
|
||||
WriteMode bool `koanf:"write"` // -w
|
||||
Label []string `koanf:"label"` // -v
|
||||
Timeout int `koanf:"timeout"` // -t
|
||||
Port int `koanf:"port"` // -p
|
||||
@@ -68,8 +60,6 @@ func InitConfig(output io.Writer) (*Config, error) {
|
||||
flagset.BoolP("help", "h", false, "show help")
|
||||
flagset.BoolP("debug", "d", false, "enable debug logs")
|
||||
flagset.BoolP("internals", "i", false, "add internal metrics")
|
||||
flagset.BoolP("read", "r", false, "only execute the read test")
|
||||
flagset.BoolP("write", "w", false, "only execute the write test")
|
||||
flagset.StringArrayP("label", "l", nil, "additional labels")
|
||||
flagset.IntP("timeout", "t", 1, "timeout for file operation in seconds")
|
||||
flagset.IntP("port", "p", 9187, "prometheus metrics port to listen to")
|
||||
@@ -113,10 +103,5 @@ func InitConfig(output io.Writer) (*Config, error) {
|
||||
conf.Labels = append(conf.Labels, Label{Name: parts[0], Value: parts[1]})
|
||||
}
|
||||
|
||||
if !conf.ReadMode && !conf.WriteMode {
|
||||
conf.ReadMode = true
|
||||
conf.WriteMode = true
|
||||
}
|
||||
|
||||
return conf, nil
|
||||
}
|
||||
|
||||
172
cmd/exporter.go
172
cmd/exporter.go
@@ -1,182 +1,114 @@
|
||||
package cmd
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"errors"
|
||||
"io"
|
||||
"log/slog"
|
||||
"os"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/ncw/directio"
|
||||
)
|
||||
|
||||
// our primary container for the io checks
|
||||
type Exporter struct {
|
||||
conf *Config
|
||||
alloc *Alloc
|
||||
metrics *Metrics
|
||||
}
|
||||
func die(err error, fd *os.File) bool {
|
||||
slog.Debug("failed to check io", "error", err)
|
||||
|
||||
type Result struct {
|
||||
result bool
|
||||
elapsed float64
|
||||
}
|
||||
|
||||
func NewExporter(conf *Config, alloc *Alloc, metrics *Metrics) *Exporter {
|
||||
return &Exporter{
|
||||
conf: conf,
|
||||
alloc: alloc,
|
||||
metrics: metrics,
|
||||
}
|
||||
}
|
||||
|
||||
// starts the primary go-routine, which will run the io checks for ever
|
||||
func (exp *Exporter) RunIOchecks() *sync.WaitGroup {
|
||||
var wg sync.WaitGroup
|
||||
wg.Add(1)
|
||||
|
||||
go func() {
|
||||
for {
|
||||
var res_r, res_w Result
|
||||
|
||||
exp.alloc.Clean()
|
||||
|
||||
if exp.conf.WriteMode {
|
||||
res_w = exp.measure(O_W)
|
||||
slog.Debug("elapsed write time", "elapsed", res_w.elapsed, "result", res_w.result)
|
||||
}
|
||||
|
||||
if exp.conf.ReadMode {
|
||||
res_r = exp.measure(O_R)
|
||||
slog.Debug("elapsed read time", "elapsed", res_r.elapsed, "result", res_r.result)
|
||||
}
|
||||
|
||||
if (exp.conf.WriteMode && exp.conf.ReadMode) && (res_r.result && res_w.result) {
|
||||
if !exp.alloc.Compare() {
|
||||
res_r.result = false
|
||||
}
|
||||
}
|
||||
|
||||
exp.metrics.Set(res_r, res_w)
|
||||
|
||||
time.Sleep(time.Duration(exp.conf.Sleeptime) * time.Second)
|
||||
if fd != nil {
|
||||
if err := fd.Close(); err != nil {
|
||||
slog.Debug("failed to close filehandle", "error", err)
|
||||
}
|
||||
}()
|
||||
|
||||
return &wg
|
||||
}
|
||||
|
||||
// call an io measurement and collect time needed
|
||||
func (exp *Exporter) measure(mode int) Result {
|
||||
start := time.Now()
|
||||
|
||||
result := exp.runExporter(mode)
|
||||
|
||||
// ns => s
|
||||
now := time.Now()
|
||||
elapsed := float64(now.Sub(start).Nanoseconds()) / 10000000000
|
||||
|
||||
// makes no sense to measure latency if operation failed
|
||||
if !result {
|
||||
elapsed = 0
|
||||
}
|
||||
|
||||
return Result{elapsed: elapsed, result: result}
|
||||
return false
|
||||
}
|
||||
|
||||
// Calls runcheck's with context timeout
|
||||
func (exp *Exporter) runExporter(mode int) bool {
|
||||
// Calls runcheck() with timeout
|
||||
func runExporter(file string, alloc *Alloc, timeout time.Duration) bool {
|
||||
ctx := context.Background()
|
||||
ctx, cancel := context.WithTimeout(ctx, time.Duration(exp.conf.Timeout)*time.Second)
|
||||
ctx, cancel := context.WithTimeout(ctx, timeout)
|
||||
defer cancel()
|
||||
|
||||
run := make(chan struct{}, 1)
|
||||
var res bool
|
||||
|
||||
go func() {
|
||||
switch mode {
|
||||
case O_R:
|
||||
res = exp.runcheck_r()
|
||||
case O_W:
|
||||
res = exp.runcheck_w()
|
||||
}
|
||||
res = runcheck(file, alloc)
|
||||
run <- struct{}{}
|
||||
}()
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return report(ctx.Err(), nil)
|
||||
return die(ctx.Err(), nil)
|
||||
case <-run:
|
||||
return res
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Checks file io on the specified path:
|
||||
//
|
||||
// - opens it for reading
|
||||
// - reads the block
|
||||
// - closes file again
|
||||
//
|
||||
// Returns false if anything failed during that sequence,
|
||||
// true otherwise.
|
||||
func (exp *Exporter) runcheck_r() bool {
|
||||
// read
|
||||
in, err := directio.OpenFile(exp.conf.File, os.O_RDONLY, 0640)
|
||||
if err != nil {
|
||||
report(err, nil)
|
||||
}
|
||||
|
||||
n, err := io.ReadFull(in, exp.alloc.readBlock)
|
||||
if err != nil {
|
||||
return report(err, in)
|
||||
}
|
||||
|
||||
if n != len(exp.alloc.writeBlock) {
|
||||
return report(errors.New("failed to read block"), in)
|
||||
}
|
||||
|
||||
if err := in.Close(); err != nil {
|
||||
return report(err, nil)
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
// Checks file io on the specified path:
|
||||
//
|
||||
// - open the file (create if it doesnt exist)
|
||||
// - truncate it if it already exists
|
||||
// - write some data to it
|
||||
// - closes the file
|
||||
// - re-opens it for reading
|
||||
// - reads the block
|
||||
// - compares if written block is equal to read block
|
||||
// - closes file again
|
||||
//
|
||||
// Returns false if anything failed during that sequence,
|
||||
// true otherwise.
|
||||
func (exp *Exporter) runcheck_w() bool {
|
||||
func runcheck(file string, alloc *Alloc) bool {
|
||||
alloc.Clean()
|
||||
|
||||
// write
|
||||
fd, err := directio.OpenFile(exp.conf.File, os.O_RDWR|os.O_TRUNC|os.O_CREATE, 0640)
|
||||
fd, err := directio.OpenFile(file, os.O_RDWR|os.O_TRUNC|os.O_CREATE, 0640)
|
||||
if err != nil {
|
||||
report(err, nil)
|
||||
die(err, nil)
|
||||
}
|
||||
|
||||
for i := 0; i < len(exp.alloc.writeBlock); i++ {
|
||||
exp.alloc.writeBlock[i] = 'A'
|
||||
for i := 0; i < len(alloc.writeBlock); i++ {
|
||||
alloc.writeBlock[i] = 'A'
|
||||
}
|
||||
|
||||
n, err := fd.Write(exp.alloc.writeBlock)
|
||||
n, err := fd.Write(alloc.writeBlock)
|
||||
if err != nil {
|
||||
return report(err, fd)
|
||||
return die(err, fd)
|
||||
}
|
||||
|
||||
if n != len(exp.alloc.writeBlock) {
|
||||
return report(errors.New("failed to write block"), fd)
|
||||
if n != len(alloc.writeBlock) {
|
||||
return die(errors.New("failed to write block"), fd)
|
||||
}
|
||||
|
||||
if err := fd.Close(); err != nil {
|
||||
return report(err, nil)
|
||||
return die(err, nil)
|
||||
}
|
||||
|
||||
// read
|
||||
in, err := directio.OpenFile(file, os.O_RDONLY, 0640)
|
||||
if err != nil {
|
||||
die(err, nil)
|
||||
}
|
||||
|
||||
n, err = io.ReadFull(in, alloc.readBlock)
|
||||
if err != nil {
|
||||
return die(err, in)
|
||||
}
|
||||
|
||||
if n != len(alloc.writeBlock) {
|
||||
return die(errors.New("failed to read block"), fd)
|
||||
}
|
||||
|
||||
if err := in.Close(); err != nil {
|
||||
return die(err, nil)
|
||||
}
|
||||
|
||||
// compare
|
||||
if !bytes.Equal(alloc.writeBlock, alloc.readBlock) {
|
||||
return die(errors.New("read not the same as written"), nil)
|
||||
}
|
||||
|
||||
return true
|
||||
|
||||
@@ -2,7 +2,6 @@ package cmd
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"github.com/prometheus/client_golang/prometheus/collectors"
|
||||
@@ -15,17 +14,15 @@ type Label struct {
|
||||
|
||||
// simple prometheus wrapper
|
||||
type Metrics struct {
|
||||
run *prometheus.GaugeVec
|
||||
latency_r *prometheus.GaugeVec
|
||||
latency_w *prometheus.GaugeVec
|
||||
registry *prometheus.Registry
|
||||
values []string
|
||||
mode int
|
||||
run *prometheus.GaugeVec
|
||||
latency *prometheus.GaugeVec
|
||||
registry *prometheus.Registry
|
||||
values []string
|
||||
}
|
||||
|
||||
func NewMetrics(conf *Config) *Metrics {
|
||||
labels := []string{"file", "maxwait", "exectime"}
|
||||
LabelLen := 3
|
||||
labels := []string{"file", "maxwait"}
|
||||
LabelLen := 2
|
||||
|
||||
for _, label := range conf.Labels {
|
||||
labels = append(labels, label.Name)
|
||||
@@ -39,17 +36,10 @@ func NewMetrics(conf *Config) *Metrics {
|
||||
},
|
||||
labels,
|
||||
),
|
||||
latency_r: prometheus.NewGaugeVec(
|
||||
latency: prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "io_exporter_io_read_latency",
|
||||
Help: "how long does the read operation take in seconds",
|
||||
},
|
||||
labels,
|
||||
),
|
||||
latency_w: prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "io_exporter_io_write_latency",
|
||||
Help: "how long does the write operation take in seconds",
|
||||
Name: "io_exporter_io_latency",
|
||||
Help: "how long does the operation take in seconds",
|
||||
},
|
||||
labels,
|
||||
),
|
||||
@@ -63,8 +53,7 @@ func NewMetrics(conf *Config) *Metrics {
|
||||
if conf.Internals {
|
||||
metrics.registry.MustRegister(
|
||||
metrics.run,
|
||||
metrics.latency_r,
|
||||
metrics.latency_w,
|
||||
metrics.latency,
|
||||
|
||||
// we might need to take care of the exporter in terms of
|
||||
// resources, so also report those internals
|
||||
@@ -76,50 +65,28 @@ func NewMetrics(conf *Config) *Metrics {
|
||||
),
|
||||
)
|
||||
} else {
|
||||
metrics.registry.MustRegister(metrics.run, metrics.latency_r, metrics.latency_w)
|
||||
metrics.registry.MustRegister(metrics.run, metrics.latency)
|
||||
}
|
||||
|
||||
// static labels
|
||||
metrics.values[0] = conf.File
|
||||
metrics.values[1] = fmt.Sprintf("%d", conf.Timeout)
|
||||
metrics.values[2] = fmt.Sprintf("%d", time.Now().UnixMilli())
|
||||
|
||||
// custom labels via -l label=value
|
||||
for idx, label := range conf.Labels {
|
||||
metrics.values[idx+LabelLen] = label.Value
|
||||
}
|
||||
|
||||
switch {
|
||||
case conf.ReadMode && conf.WriteMode:
|
||||
metrics.mode = O_RW
|
||||
case conf.ReadMode:
|
||||
metrics.mode = O_R
|
||||
case conf.WriteMode:
|
||||
metrics.mode = O_W
|
||||
}
|
||||
|
||||
return metrics
|
||||
}
|
||||
|
||||
func (metrics *Metrics) Set(result_r, result_w Result) {
|
||||
func (metrics *Metrics) Set(result bool, elapsed float64) {
|
||||
var res float64
|
||||
|
||||
switch metrics.mode {
|
||||
case O_RW:
|
||||
if result_r.result && result_w.result {
|
||||
res = 1
|
||||
}
|
||||
case O_R:
|
||||
if result_r.result {
|
||||
res = 1
|
||||
}
|
||||
case O_W:
|
||||
if result_w.result {
|
||||
res = 1
|
||||
}
|
||||
if result {
|
||||
res = 1
|
||||
}
|
||||
|
||||
metrics.run.WithLabelValues(metrics.values...).Set(res)
|
||||
metrics.latency_r.WithLabelValues(metrics.values...).Set(result_r.elapsed)
|
||||
metrics.latency_w.WithLabelValues(metrics.values...).Set(result_w.elapsed)
|
||||
metrics.latency.WithLabelValues(metrics.values...).Set(elapsed)
|
||||
}
|
||||
|
||||
64
cmd/root.go
64
cmd/root.go
@@ -7,17 +7,11 @@ import (
|
||||
"net/http"
|
||||
"os"
|
||||
"strings"
|
||||
|
||||
// enable to debug with roumon
|
||||
//_ "net/http/pprof"
|
||||
// then: roumon -host=localhost -port=9187
|
||||
"time"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus/promhttp"
|
||||
)
|
||||
|
||||
// Main program. starts 2 goroutines: our exporter and the http server
|
||||
// for the prometheus metrics. The exporter reports measurement
|
||||
// results to prometheus metrics directly
|
||||
func Run() {
|
||||
conf, err := InitConfig(os.Stdout)
|
||||
if err != nil {
|
||||
@@ -29,52 +23,36 @@ func Run() {
|
||||
os.Exit(0)
|
||||
}
|
||||
|
||||
if conf.Showhelp {
|
||||
fmt.Println(Usage)
|
||||
os.Exit(0)
|
||||
}
|
||||
setLogger(os.Stdout, conf.Debug)
|
||||
|
||||
metrics := NewMetrics(conf)
|
||||
alloc := NewAlloc()
|
||||
exporter := NewExporter(conf, alloc, metrics)
|
||||
|
||||
wg := exporter.RunIOchecks()
|
||||
setLogger(os.Stdout, conf.Debug)
|
||||
|
||||
go func() {
|
||||
for {
|
||||
start := time.Now()
|
||||
|
||||
result := runExporter(conf.File, alloc, time.Duration(conf.Timeout)*time.Second)
|
||||
|
||||
// ns => s
|
||||
now := time.Now()
|
||||
elapsed := float64(now.Sub(start).Nanoseconds()) / 10000000000
|
||||
slog.Debug("elapsed time", "elapsed", elapsed, "result", result)
|
||||
|
||||
metrics.Set(result, elapsed)
|
||||
|
||||
time.Sleep(time.Duration(conf.Sleeptime) * time.Second)
|
||||
}
|
||||
}()
|
||||
|
||||
http.Handle("/metrics", promhttp.HandlerFor(
|
||||
metrics.registry,
|
||||
promhttp.HandlerOpts{},
|
||||
))
|
||||
|
||||
slog.Info(" ╭──")
|
||||
slog.Info(" │ io-exporter starting up", "version", Version)
|
||||
slog.Info(" │ serving metrics", "host", "localhost", "port", conf.Port)
|
||||
slog.Info(" │ test setup", "file", conf.File, "labels", strings.Join(conf.Label, ","))
|
||||
slog.Info(" │ measuring", "read", conf.ReadMode, "write", conf.WriteMode, "timeout(s)", conf.Timeout)
|
||||
slog.Info(" │ debugging", "enabled", conf.Debug)
|
||||
slog.Info(" ╰──")
|
||||
|
||||
slog.Info("start testing and serving metrics on localhost", "port", conf.Port)
|
||||
slog.Info("test setup", "file", conf.File, "labels", strings.Join(conf.Label, ","))
|
||||
if err := http.ListenAndServe(fmt.Sprintf(":%d", conf.Port), nil); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
wg.Wait()
|
||||
}
|
||||
|
||||
func report(err error, fd *os.File) bool {
|
||||
failure := err.Error()
|
||||
if err.Error() == "context deadline exceeded" {
|
||||
failure = "operation timed out"
|
||||
}
|
||||
|
||||
slog.Error("io error", "error", failure)
|
||||
|
||||
if fd != nil {
|
||||
if err := fd.Close(); err != nil {
|
||||
|
||||
slog.Debug("failed to close filehandle", "error", failure)
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
2
go.mod
2
go.mod
@@ -1,4 +1,4 @@
|
||||
module codeberg.org/scip/io-exporter
|
||||
module github.com/tlinden/io-exporter
|
||||
|
||||
go 1.23.5
|
||||
|
||||
|
||||
@@ -1,580 +0,0 @@
|
||||
{
|
||||
"annotations": {
|
||||
"list": [
|
||||
{
|
||||
"builtIn": 1,
|
||||
"datasource": {
|
||||
"type": "grafana",
|
||||
"uid": "-- Grafana --"
|
||||
},
|
||||
"enable": true,
|
||||
"hide": true,
|
||||
"iconColor": "rgba(0, 211, 255, 1)",
|
||||
"name": "Annotations & Alerts",
|
||||
"type": "dashboard"
|
||||
}
|
||||
]
|
||||
},
|
||||
"editable": true,
|
||||
"fiscalYearStartMonth": 0,
|
||||
"graphTooltip": 0,
|
||||
"id": 37,
|
||||
"links": [],
|
||||
"panels": [
|
||||
{
|
||||
"datasource": {
|
||||
"type": "prometheus",
|
||||
"uid": "P5DCFC7561CCDE821"
|
||||
},
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"color": {
|
||||
"mode": "thresholds"
|
||||
},
|
||||
"custom": {
|
||||
"fillOpacity": 70,
|
||||
"hideFrom": {
|
||||
"legend": false,
|
||||
"tooltip": false,
|
||||
"viz": false
|
||||
},
|
||||
"insertNulls": false,
|
||||
"lineWidth": 0,
|
||||
"spanNulls": false
|
||||
},
|
||||
"mappings": [],
|
||||
"thresholds": {
|
||||
"mode": "absolute",
|
||||
"steps": [
|
||||
{
|
||||
"color": "green",
|
||||
"value": null
|
||||
},
|
||||
{
|
||||
"color": "red",
|
||||
"value": 0
|
||||
},
|
||||
{
|
||||
"color": "green",
|
||||
"value": 1
|
||||
}
|
||||
]
|
||||
},
|
||||
"unit": "bool_yes_no"
|
||||
},
|
||||
"overrides": []
|
||||
},
|
||||
"gridPos": {
|
||||
"h": 9,
|
||||
"w": 24,
|
||||
"x": 0,
|
||||
"y": 0
|
||||
},
|
||||
"id": 4,
|
||||
"options": {
|
||||
"alignValue": "left",
|
||||
"legend": {
|
||||
"displayMode": "list",
|
||||
"placement": "bottom",
|
||||
"showLegend": true
|
||||
},
|
||||
"mergeValues": true,
|
||||
"rowHeight": 0.9,
|
||||
"showValue": "auto",
|
||||
"tooltip": {
|
||||
"mode": "single",
|
||||
"sort": "none"
|
||||
}
|
||||
},
|
||||
"pluginVersion": "11.3.8+security-01",
|
||||
"targets": [
|
||||
{
|
||||
"editorMode": "code",
|
||||
"expr": "sum(io_exporter_io_operation{container=\"ioexporter\",namespace=\"$namespace\"}) by (pod)",
|
||||
"legendFormat": "{{pod}}",
|
||||
"range": true,
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"title": "IO Operation Result",
|
||||
"type": "state-timeline"
|
||||
},
|
||||
{
|
||||
"datasource": {
|
||||
"type": "prometheus",
|
||||
"uid": "P5DCFC7561CCDE821"
|
||||
},
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"color": {
|
||||
"mode": "palette-classic"
|
||||
},
|
||||
"custom": {
|
||||
"axisBorderShow": false,
|
||||
"axisCenteredZero": false,
|
||||
"axisColorMode": "text",
|
||||
"axisLabel": "",
|
||||
"axisPlacement": "auto",
|
||||
"barAlignment": 0,
|
||||
"barWidthFactor": 0.6,
|
||||
"drawStyle": "line",
|
||||
"fillOpacity": 0,
|
||||
"gradientMode": "none",
|
||||
"hideFrom": {
|
||||
"legend": false,
|
||||
"tooltip": false,
|
||||
"viz": false
|
||||
},
|
||||
"insertNulls": false,
|
||||
"lineInterpolation": "linear",
|
||||
"lineWidth": 1,
|
||||
"pointSize": 5,
|
||||
"scaleDistribution": {
|
||||
"type": "linear"
|
||||
},
|
||||
"showPoints": "auto",
|
||||
"spanNulls": false,
|
||||
"stacking": {
|
||||
"group": "A",
|
||||
"mode": "none"
|
||||
},
|
||||
"thresholdsStyle": {
|
||||
"mode": "off"
|
||||
}
|
||||
},
|
||||
"mappings": [],
|
||||
"thresholds": {
|
||||
"mode": "absolute",
|
||||
"steps": [
|
||||
{
|
||||
"color": "green",
|
||||
"value": null
|
||||
},
|
||||
{
|
||||
"color": "red",
|
||||
"value": 80
|
||||
}
|
||||
]
|
||||
},
|
||||
"unit": "s"
|
||||
},
|
||||
"overrides": []
|
||||
},
|
||||
"gridPos": {
|
||||
"h": 10,
|
||||
"w": 12,
|
||||
"x": 0,
|
||||
"y": 9
|
||||
},
|
||||
"id": 1,
|
||||
"options": {
|
||||
"legend": {
|
||||
"calcs": [
|
||||
"lastNotNull",
|
||||
"max",
|
||||
"min"
|
||||
],
|
||||
"displayMode": "table",
|
||||
"placement": "bottom",
|
||||
"showLegend": true
|
||||
},
|
||||
"tooltip": {
|
||||
"mode": "single",
|
||||
"sort": "none"
|
||||
}
|
||||
},
|
||||
"pluginVersion": "11.3.8+security-01",
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {
|
||||
"type": "prometheus",
|
||||
"uid": "P5DCFC7561CCDE821"
|
||||
},
|
||||
"editorMode": "code",
|
||||
"expr": "sum(io_exporter_io_read_latency{container=\"ioexporter\",namespace=\"$namespace\"}) by (pod)",
|
||||
"legendFormat": "{{pod}}",
|
||||
"range": true,
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"title": "IO Read Latency",
|
||||
"type": "timeseries"
|
||||
},
|
||||
{
|
||||
"datasource": {
|
||||
"type": "prometheus",
|
||||
"uid": "P5DCFC7561CCDE821"
|
||||
},
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"color": {
|
||||
"mode": "palette-classic"
|
||||
},
|
||||
"custom": {
|
||||
"axisBorderShow": false,
|
||||
"axisCenteredZero": false,
|
||||
"axisColorMode": "text",
|
||||
"axisLabel": "",
|
||||
"axisPlacement": "auto",
|
||||
"barAlignment": 0,
|
||||
"barWidthFactor": 0.6,
|
||||
"drawStyle": "line",
|
||||
"fillOpacity": 0,
|
||||
"gradientMode": "none",
|
||||
"hideFrom": {
|
||||
"legend": false,
|
||||
"tooltip": false,
|
||||
"viz": false
|
||||
},
|
||||
"insertNulls": false,
|
||||
"lineInterpolation": "linear",
|
||||
"lineWidth": 1,
|
||||
"pointSize": 5,
|
||||
"scaleDistribution": {
|
||||
"type": "linear"
|
||||
},
|
||||
"showPoints": "auto",
|
||||
"spanNulls": false,
|
||||
"stacking": {
|
||||
"group": "A",
|
||||
"mode": "none"
|
||||
},
|
||||
"thresholdsStyle": {
|
||||
"mode": "off"
|
||||
}
|
||||
},
|
||||
"mappings": [],
|
||||
"thresholds": {
|
||||
"mode": "absolute",
|
||||
"steps": [
|
||||
{
|
||||
"color": "green",
|
||||
"value": null
|
||||
},
|
||||
{
|
||||
"color": "red",
|
||||
"value": 80
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Binary file not shown.
|
Before Width: | Height: | Size: 181 KiB |
Reference in New Issue
Block a user