Skip to content

Instantly share code, notes, and snippets.

View sylr's full-sized avatar

Sylvain Rabot sylr

25 followers · 30 following
View GitHub Profile
@sylr
sylr / internet_check.sh
Last active September 23, 2020 09:24 — forked from SuperQ/internet_check.sh
A script to check internet connectivity with the node_exporter textfile
#!/usr/bin/env sh
URLS[0]="https://www.google.com"
URLS[1]="http://169.254.169.254/metadata/instance?api-version=2020-06-01" # azure internal endpoint
HEADERS[O]=""
HEADERS[1]="-H 'Metadata: true'"
OUTPUT=${OUTPUT:-/tmp/curl.prom}
SLEEP=${SLEEP:-10}
@sylr
sylr / inheap.go
Created March 5, 2020 17:01
inheap
package main
import (
_ "unsafe"
"fmt"
)
var slice = []byte("AAA")
func main() {
@sylr
sylr / wg.go
Created February 11, 2020 09:49
wg.go
package main
// Original code found at: https://play.golang.org/p/kWmjEuXn0ab
import (
"fmt"
"sync"
"time"
)
@sylr
sylr / test.log
Last active November 20, 2019 08:18
Alertmanager make test
✘ s.rabot@wmbpro-srabot  ~/go/src/github.com/prometheus/alertmanager   master  make 09:12:40
>> checking code style
>> checking license header
>> running golangci-lint
GO111MODULE=on go list -e -compiled -test=true -export=false -deps=true -find=false -tags= -- ./... > /dev/null
go: finding github.com/prometheus/client_golang v1.2.1
GO111MODULE=on /Users/s.rabot/go/bin/golangci-lint run ./...
>> running check for unused/missing packages in go.mod
GO111MODULE=on go mod tidy
>> running check for unused packages in vendor/
@sylr
sylr / hpa.yaml
Last active November 8, 2019 08:53
k8s-prometheus-adapter deployment avg cpu usage / deployment limit ratio rule (based on cAdvisor and kube-state-metrics)
kind: HorizontalPodAutoscaler
apiVersion: autoscaling/v2beta1
metadata:
name: {{ HPA }}
spec:
scaleTargetRef:
apiVersion: extensions/v1beta1
kind: Deployment
name: {{ DEPLOYMENT }}
minReplicas: 2
@sylr
sylr / clone.go
Created May 27, 2019 11:57
Clone object in golang
package main
import (
"fmt"
)
type Wheel struct {
// Diameter Wheel diameter in centimeters
Diameter int64
}
@sylr
sylr / prometeus.pprof
Last active January 10, 2019 15:28
prometheus azure sd stuck
goroutine 1516690 [running]:
runtime/pprof.writeGoroutineStacks(0x7fcfd86e2b90, 0xc09997ee60, 0x40bb2f, 0xc0d9689c50)
/usr/local/go/src/runtime/pprof/pprof.go:678 +0xa7
runtime/pprof.writeGoroutine(0x7fcfd86e2b90, 0xc09997ee60, 0x2, 0xc00033e700, 0x0)
/usr/local/go/src/runtime/pprof/pprof.go:667 +0x44
runtime/pprof.(*Profile).WriteTo(0x2e6eb80, 0x7fcfd86e2b90, 0xc09997ee60, 0x2, 0xc09997ee60, 0xc041252e80)
/usr/local/go/src/runtime/pprof/pprof.go:328 +0x3e4
net/http/pprof.handler.ServeHTTP(0xc07fd206cd, 0x9, 0x7fcfd86e2b60, 0xc09997ee60, 0xc0b4f3aa00)
/usr/local/go/src/net/http/pprof/pprof.go:245 +0x210
net/http/pprof.Index(0x7fcfd86e2b60, 0xc09997ee60, 0xc0b4f3aa00)
@sylr
sylr / functions_test.go
Created October 24, 2018 15:08
prometheus functions_test.go
// Copyright 2015 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.
@sylr
sylr / azuredeploy.json
Last active February 6, 2018 12:54
{
"$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"vmDnsName": {
"type": "string",
"metadata": {
"description": "DNS name for the VM"
}
},
@sylr
sylr / hash-lev.go
Last active July 22, 2017 09:59
Generate array of hashes and compute levenshtein distances of hashes
package main
import (
"fmt"
"sync"
"time"
"strconv"
"math/rand"
"crypto/md5"
"encoding/hex"