joerx

• php process is wrapped like this: PHP file -> php-fpm -> nginx
• basically means disable all facilities that catch output from the script on it's way to nginx
• standard error output will the end in Nginx's logging facility

On CentOS

• make sure your script does not set error_log
• edit /etc/php-fpm.conf, disable line error_log = /var/log/php-fpm/error.log
• edit /etc/php-fpm.d/www.conf, disable line starting with php_admin_value[error_log] = ...
• restart fpm: systemctl restart php-fpm

joerx

var Aws = require('aws-sdk');
var sinon = require('sinon');

// Only works for 'createBucket', 'update' and a few others since most API methods are generated dynamically
// upon instantiation. Very counterintuitive, thanks Amazon!
var createBucket = sinon.stub(Aws.S3.prototype, 'createBucket');
createBucket.yields(null, 'Me create bucket');

// For other methods, we can 'assign' the stubs to the proto, already defined function won't be overridden
var listBuckets = Aws.S3.prototype.listBuckets = sinon.stub();

joerx

#!/bin/sh

if [ "$INSTANCE" == "" ]; then
    CMD="aws rds describe-db-instances"
else
    CMD="aws rds describe-db-instances --db-instance-identifier=$INSTANCE"
fi

echo '"DBInstanceIdentifier","DBInstanceStatus","DBInstanceClass"'

joerx

//based on http://stackoverflow.com/questions/9210542/node-js-require-cache-possible-to-invalidate

function clearRequireCache() {
  Object.keys(require.cache).forEach(function(key) {
    delete require.cache[key];
  });  
}

var myModule1 = require('./my-module');
console.log(myModule1.counter); // 0

joerx

Minimalistic Development Box with Libvirt

Linux only, requires KVM and QEMU. libvirt and related components need to be installed. Provisions a development VM based on Ubuntu 20.04. Current working directory will be shared with the guest. This is a PoC, not intended to be a fully functional tool. For any serious use case, use something like Vagrant

joerx

// This is the simplest possible approach - use a custom module to wrap a single, pre-configured 
// mail transport instance and then use sinon.js to stub out that modules sendmail()

// This approach has its limitations, but it is still better than having 'if(NODE_ENV === 'test')'
// all over the code base.

// -- app/sendmail.js --

var nodemailer = require('nodemailer');
var config = require('config').email;

joerx

echo "eu-central-1" | sed -E s'/([a-z]{2})-([a-z]{1})[a-z]+-([0-9]{1})/|\1\2\3|/' # 'euc1'

joerx

{
    "[terraform]": {
        "editor.formatOnSave": true,
        "editor.tabSize": 2
    },
    "terraform.indexing": {
        "enabled": false,
        "liveIndexing": false,
        "delay": 500,
        "exclude": [

joerx

RISK=5
[[ $(( ( RANDOM % 6 )  + 1 )) -gt $RISK ]] && echo "terraform destroy -target module.production_db -auto-approve"

joerx

# for discussion and alternatives, see https://unix.stackexchange.com/questions/227662/how-to-rename-multiple-files-using-find
find . -type f -name general.tf -not -path '*/.terraform/*' -exec sh -c 'x="{}"; mv "$x" "${x/general/backend}"' \;