Jason Rogena jasonrogena

We keep all our Terraform files under the terraform directory.

Terraform allows to reuse definitions across environments. We thus don't have to have a set of definitions for provisioning Onadata resources in the production environment and a different set of definitions for provisioning Onadata resources in the staging environment. How we go about this is by creating a shared Terraform module for our setup, then including this module in Terraform files corresponding to each of the environments we plan to deploy the setup.

The following subsections will take you through how to codify your setup using Terraform, the Ona way. As a reference, we will use Onadata's Terraform files:

1. Create a Reusable Module

Keep the Terraform resource blocks for your setup in ../terraform/modules/. For instance, the Onadata setup's resource blocks are kept in terraform/modules/onadata. Then isolate the Ter

How to move commits between two repos that don't share a commit history:

I have two repos github.com/<my employer>/playbooks and github.com/roots/trellis
github.com/<my employer>/playbooks has a directory wordpress/trellis
wordpress/trellis in github.com/<my employer>/playbooks contains code from github.com/roots/trellis, has changes made but commited in github.com/<my employer>/playbooks/.git all tracked changes from upstream have been lost (github.com/<my employer>/playbooks/wordpress/trellis/.git was deleted).

We need to merge the latest changes in github.com/roots/trellis with whatever changes we staged for github.com/<my employer>/playbooks/wordpress/trellis

Clone [email protected]:roots/trellis.git

git clone [email protected]:roots/trellis.git

Methodology

Benchmark tools used

EMQ Benchmarking tool

Hardware used

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	#!/bin/bash

	# Initiates the process of renewing AWS sessions for when you need to
	# use MFA authentication with the AWS CLI (or any tool that relies on the
	# AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, and AWS_SESSION_TOKEN env vars).
	# The script assumes Python3 is installed.
	#
	# This script expects the following variables have been exported and
	# are avilable to it:
	# 1. AWS_IAM_MFA_DEVICE_ARN

	#include <stdio.h>
	#include <errno.h>
	#include <unistd.h>

	int main() {
	int res;
	res = sethostid(gethostid());
	if (res != 0) {
	switch (errno) {
	case EACCES:

	#!/bin/bash

	echo "Enter the serial number for the device you want to switch to WiFi"

	read serialNo

	ipAddr=`adb -s ${serialNo} shell ifconfig wlan0 \| sed -n 's/inet addr:\([0-9]\.[0-9]\.[0-9]\.[0-9]\).*/\1/p'`
	if [ -z "${ipAddr}" ]; then
	ipAddr=`adb -s ${serialNo} shell netcfg \| sed -n 's/wlan0[ ]UP[ ]\([0-9]\.[0-9]\.[0-9]\.[0-9]\).*/\1/p'`
	fi

	---
	#- name: Copy the MariaDB root non-interactive password
	# template: src=mariadb_non_interactive_password.sh.j2 dest=/tmp/mariadb_non_interactive_password.sh owner=root group=root mode=0700
	#
	#- name: Execute the MariaDB root non-interactive password file
	# shell: /tmp/mariadb_non_interactive_password.sh
	#
	#- name: Delete the MariaDB non-interactive password file
	# file: path=/tmp/mariadb_non_interactive_password.sh state=absent
	- name: Set Debconf root_password

	---
	- name: Copy the MariaDB root non-interactive password
	template: src=mariadb_non_interactive_password.sh.j2 dest=/tmp/mariadb_non_interactive_password.sh owner=root group=root mode=0700

	- name: Execute the MariaDN root non-interactive password file
	shell: /tmp/mariadb_non_interactive_password.sh

	- name: Delete the non-interactive password file
	file: path=/tmp/mariadb_non_interactive_password.sh state=absent

	#! /bin/bash
	export DEBIAN_FRONTEND=noninteractive
	debconf-set-selections <<< 'mariadb-server mysql-server/root_password password {{ mariadb_root_password }}'
	debconf-set-selections <<< 'mariadb-server mysql-server/root_password_again password {{ mariadb_root_password }}'