Adding Self-Hosted Build Agents to Azure DevOps

Setup_Self_Hosted_Build_Agents.sh

#!/bin/bash

# Asks user to provide information needed to create agent(s)
prompt_for_missing_variables() {
    # Prompt for project URL (i.e. https://dev.azure.com/TeamNameHere/)
    url_regex="((http|https):\/\/)?dev\.azure\.com\/[a-zA-Z0-9-]+(\/)?"
    if [ -z "$url" ] ;
    then
        echo -e "\nPlease type in server url: "
        read -r url
    fi

    if ! [[ "$url" =~ $url_regex ]] ; then
        echo -e "URL Format Incorrect. Exiting...\n" >&2
        exit 1
    fi
    
    # Prompt number of agents to create
    if [ -z "$agents" ] ;
    then
        echo -e "\nPlease type in number of agents to create: "
        read -r agents
    fi

    number_regex="[0-9]+"
    if ! [[ "$agents" =~ $number_regex ]] ;
    then
        echo -e "\nAgents Format Incorrect. Exiting...\n" >&2
        exit 1
    fi

    # Prompt for Personal Access Token
    if [[  -z "$token" ]];
    then
        echo -e "\nPlease type in Personal Access Token: "
        read -r token
    fi

    # Prompt for pool name where you'd like agents to reside
    if [[ -z "$pool" ]];
    then
        echo -e "\nPlease type in Build Pool Name: "
        read -r pool
    fi

    # Set variables
    export url=$url
    export agents=$agents
    export pool=$pool
    export token=$token

    # Print variables to user
    echo -e "\nURL set as ${url}.\n"
    echo -e "\nNumber of agents set as ${agents}.\n"
    echo -e "\nPool set as ${pool}.\n"
    echo -e "\nToken set as ${token}.\n"
}

# Set directories for agents
add_agent_directories() {
    echo -e "\nAdding 'Agent' Directory\n"
    # Make directory 'builds' on root, and make current user owner of the new directory
    sudo mkdir /builds/
    sudo chown $USER:$USER /builds
    cd /builds/

    work_dir=$PWD
    mkdir ${work_dir}/agents/

    export work_dir=$work_dir
    export agents_dir=${work_dir}/agents/
    
    echo "\n'Agents' Directory Added!\n\n"
}



# Install agents
install_agents() {
    echo -e "\nInstalling Agent(s)\n"

    # Download Agent Set-Up File
    wget https://vstsagentpackage.azureedge.net/agent/2.160.1/vsts-agent-linux-x64-2.160.1.tar.gz

    # Create $agents number of agents
    for (( i=1; i <= ${agents}; i++ ))
    do
        mkdir ${agents_dir}/agent${i}
        cd ${agents_dir}/agent${i}
        tar zxvf ${work_dir}/vsts-agent-linux-x64-2.160.1.tar.gz
        ./config.sh --acceptTeeEula --url ${url} --auth PAT --token ${token} --pool ${pool} --agent "Agent${i}" --work "_work"

        # Install background agent service
        sudo ./svc.sh install

        # Start background agent service
        sudo ./svc.sh start
    done

    echo -e "\nAgents Installed!"
}


echo -e "\nStarting script. \n\nBe sure you have Server URL (\$url), Number of Agents (\$agents), Personal Access Token (\$token), and Build Pool (\$pool) variables ready to be set \n\n"
read -p "\nPress the Enter/Return key to begin. "
prompt_for_missing_variables
read -p "\nPress the Enter/Return key if variables are as intended. Exit now to make changes."
add_agent_directories
install_agents
echo "All Done!"

IS there an updated version of this that works now?