OC-mech-datum-boxes/user-setup.sh
2025-03-07 18:05:45 -05:00

100 lines
2.9 KiB
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#!/bin/bash
# This script creates and configures the user defined in settings.json.
# It is intended to be run at the start of the main.sh script.
# Define colors
GREEN='\033[0;32m'
RED='\033[0;31m'
NC='\033[0m' # No Color
# Global Variables & Settings
SETTINGS_FILE="$(dirname "$0")/settings.json"
if [ ! -f "$SETTINGS_FILE" ]; then
echo -e "${RED}Settings file not found at $SETTINGS_FILE${NC}"
exit 1
fi
# JSON helper function (using sed for simple flat JSON parsing)
read_json_value() {
# Usage: read_json_value "key" file
local key="$1"
local file="$2"
sed -n "s/.*\"$key\": *\"\([^\"]*\)\".*/\1/p" "$file"
}
read_json_bool() {
# Usage: read_json_bool "key" file
local key="$1"
local file="$2"
value=$(sed -n "s/.*\"$key\": *\(true\|false\).*/\1/p" "$file")
if [ "$value" == "true" ]; then
return 0
else
return 1
fi
}
# Ensure running as root/sudo
if [ "$(id -u)" -ne 0 ]; then
echo -e "${RED}This script must be run as root or with sudo privileges.${NC}"
exit 1
fi
# Read user configuration from settings.json
username=$(grep -o '"username": *"[^"]*"' "$SETTINGS_FILE" | cut -d'"' -f4)
if [ -z "$username" ]; then
echo -e "${RED}Could not determine username from settings.json.${NC}"
# Prompt for username if not found in settings
while true; do
read -p "Enter username to create: " username
echo "You entered: $username"
read -p "Is this correct? (y/n): " confirm
if [[ "$confirm" == "y" ]]; then
break
fi
echo "Let's try again."
done
else
# Confirm the username from settings
echo -e "Username from settings: ${GREEN}$username${NC}"
read -p "Do you want to use this username? (y/n): " confirm
if [[ "$confirm" != "y" ]]; then
# Let user override the settings value
while true; do
read -p "Enter username to create: " new_username
echo "You entered: $new_username"
read -p "Is this correct? (y/n): " confirm
if [[ "$confirm" == "y" ]]; then
username=$new_username
break
fi
echo "Let's try again."
done
fi
fi
echo "Using username: $username"
# Check if user exists
if id "$username" &>/dev/null; then
echo -e "${GREEN}User $username already exists.${NC}"
else
read_json_bool "create_if_not_exists" "$SETTINGS_FILE"
if [ $? -eq 0 ]; then
echo "Creating user $username..."
useradd -m -s /bin/bash "$username"
if [ $? -eq 0 ]; then
echo -e "${GREEN}User $username created successfully.${NC}"
else
echo -e "${RED}Failed to create user $username. Exiting.${NC}"
exit 1
fi
else
echo -e "${RED}User $username does not exist and create_if_not_exists is set to false in settings.json. Exiting.${NC}"
exit 1
fi
fi
echo -e "${GREEN}User setup completed successfully.${NC}"
exit 0