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@thejohnny
thejohnny / fio cheatsheet
Created July 19, 2024 15:40 — forked from githubfoam/fio cheatsheet
fio cheatsheet
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Read Test
fio --name=randread --ioengine=libaio --iodepth=16 --rw=randread --bs=4k --direct=0 --size=512M --numjobs=4 --runtime=240 --group_reporting
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writes a total 2GB files [4 jobs x 512 MB = 2GB] running 4 processes at a time:
fio --name=randwrite --ioengine=libaio --iodepth=1 --rw=randwrite --bs=4k --direct=0 --size=512M --numjobs=4 --runtime=240 --group_reporting
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Read Write Performance Test
fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=random_read_write.fio --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
#!/bin/bash
set -ueo pipefail
TEST_DIR=$1
echo "benchmark disk mounted on" $TEST_DIR
echo "--> write throughput"
sudo fio --name=disk_benchmark --directory=$TEST_DIR --numjobs=8 \
--size=10G --time_based --runtime=60s --ramp_time=2s --ioengine=libaio \
@thejohnny
thejohnny / command.sh
Created January 28, 2024 20:42 — forked from devops-school/command.sh
Terraform Azure Creating Linux VM with a Image using Data Sources
$ terraform init
$ terraform plan
$ terraform apply --auto-approve
$ terraform output
@thejohnny
thejohnny / main.tf
Created August 8, 2023 20:17 — forked from nicklhw/main.tf
Terraform code to enable Vault EGP policy and TOTP MFA
terraform {
required_providers {
vault = {
source = "hashicorp/vault"
version = "3.11.0"
}
}
}
provider "vault" {
@thejohnny
thejohnny / aws_iam_federated.tf
Created August 8, 2023 20:15 — forked from devops-adeel/aws_iam_federated.tf
WIP Code in creating workload identity
data "aws_iam_policy_document" "default" {
version = "2012-10-17"
statement {
sid = "FederatedTrustVaultOIDC"
effect = "Allow"
actions = ["sts:AssumeRoleWithWebIdentity", ]
principals {
type = "Federated"
@thejohnny
thejohnny / OIDC configuration with Hashi Vault.md
Created October 4, 2022 15:45 — forked from alwell-kevin/OIDC configuration with Hashi Vault.md
HashiTalks 2022 - OIDC configuration with Hashi Vault

Setup

Configure Vault

Start Vault:

vault server -dev

Enable JWT auth mechanism:

@thejohnny
thejohnny / aad_oidc_grp.tf
Created April 20, 2022 18:24 — forked from devops-adeel/aad_oidc_grp.tf
Terraform snippet to setup AzureAD Auth Method.
locals {
aad_group = var.aad_group
application = var.application_name
mount_accessor = var.mount_accessor
}
data "azuread_group" "default" {
display_name = local.aad_group
}
@thejohnny
thejohnny / setup-loopback.sh
Created April 20, 2022 14:43
Add network addresses to loopback interface
#!/bin/sh
for x in 10 20 30
do
for y in {1..5}
do
sudo ifconfig lo0 alias 127.0.${x}.${y}
done
done
@thejohnny
thejohnny / github_jwt_auth.tf
Created April 7, 2022 18:11 — forked from jeffwecan/github_jwt_auth.tf
Example of using GitHub OIDC ID token claims for per-repo K/V path access via templated Vault policies.
variable "github_jwt_issuer_url" {
description = "Issuer URL for GitHub; used in JWT/OIDC auth method configuration."
type = string
default = "https://token.actions.githubusercontent.com"
}
variable "github_org_name" {
type = string
default = "some-github-org"
}
@thejohnny
thejohnny / hcp-vault-perf-replication.tf
Created April 6, 2022 15:32
Terraform to create pair of HVNs, peering connection and pair of clusters with perf replication
terraform {
required_providers {
hcp = {
source = "hashicorp/hcp"
}
}
}
provider "hcp" {}