bootstrap-docker

#!/bin/bash

# Configuration
###############
dir=`pwd`

# Functions
###########
function show_help {
    echo "Create a new docker configuration from a template"
    echo "Usage: $0 [options] [container-name]"
    echo "Options:"
    echo -e "-h\tShow this help"
}

# Ask a question, defaults to yes
function yes_no_question () {
    read -r -p "$1 [Y/n] " response
    response=${response,,}
    if [[ "$response" =~ ^(yes|y|)$ ]]; then
        return 0
    else
        return 1
    fi
}

# Ask a question, defaults to no
function no_yes_question () {
    read -r -p "$1 [Y/n] " response
    response=${response,,}
    if [[ "$response" =~ ^(no|n|)$ ]]; then
        return 0
    else
        return 1
    fi
}

# Useful Variables
##################
# Directory containing this script
#  (no matter where it is called from)
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
  SOURCE="$(readlink "$SOURCE")"
  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
script_dir="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

# Script
########
container_name="$1"

# Read Command Line Arguments
while getopts "h" opt; do
    case "$opt" in
        h)
            show_help
            exit 0
            ;;
  esac
done

# Verify Parameters
if [ -z "$container_name" ]
then
    echo -e "Name for the container:"
    read container_name
fi

# Setup the replace command for the scripts
sed_command="sed -i 's/app=\"bootstrap-docker\"/app=\"$container_name\"/g'"

# Confirm the correct dir
if yes_no_question "This will create a Dockerfile and scripts in $dir, continue?"
then
    # Copy Template to Directory
    echo -e "Generating new docker directory in $dir..."
    eval "cp $script_dir/bootstrap/docker/Dockerfile $dir"
    eval "cp $script_dir/bootstrap/docker/README.md $dir"

    eval "cp $script_dir/bootstrap/docker/build $dir"
    eval "cp $script_dir/bootstrap/docker/daemon $dir"
    eval "cp $script_dir/bootstrap/docker/run $dir"
    eval "cp $script_dir/bootstrap/docker/shell $dir"
    eval "$sed_command $dir/build"
    eval "$sed_command $dir/daemon"
    eval "$sed_command $dir/run"
    eval "$sed_command $dir/shell"

    eval "mkdir $dir/scripts"
    eval "cp $script_dir/bootstrap/docker/scripts/setup $dir/scripts"
    eval "cp $script_dir/bootstrap/docker/scripts/start $dir/scripts"

    # Make sure files are executable
    eval "chmod +x build daemon run shell scripts/setup scripts/start"

    echo -e "Docker is ready to go. Modify the Dockerfile before running build."
else
    exit 0
fi