Start / stop Rancher Desktop (on macOS)

rancher.sh

#!/bin/bash

# Default action is 'start'
ACTION="${1:-start}"
POST_START_COMMAND="$2"

if [ "$ACTION" == "start" ]; then
    # Check if Rancher Desktop is already running
    if docker ps &> /dev/null; then
        echo "Rancher Desktop is already running."
    else
        # Start Rancher Desktop
        rdctl start

        # Check if Rancher Desktop is ready
        SECONDS_WAITED=0
        while true; do
            # Run docker ps to see if Docker daemon is running
            if docker ps &> /dev/null; then
                echo -e "\rRancher Desktop is ready.                  "
                break
            else
                echo -ne "\rWaiting for Rancher Desktop to be ready... (${SECONDS_WAITED}s)"
                SECONDS_WAITED=$((SECONDS_WAITED + 2))
                sleep 2
            fi
        done

        # Run post-start command if provided
        if [ -n "$POST_START_COMMAND" ]; then
            echo "Running post-start command: $POST_START_COMMAND"
            eval "$POST_START_COMMAND"
        fi
    fi

elif [ "$ACTION" == "stop" ]; then
    # Shutdown Rancher Desktop
    rdctl shutdown

    # Check if Rancher Desktop is fully shut down
    SECONDS_WAITED=0
    while true; do
        # Run docker ps to check if Docker daemon is still running
        if docker ps &> /dev/null; then
            echo -ne "\rWaiting for Rancher Desktop to shut down... (${SECONDS_WAITED}s)"
            SECONDS_WAITED=$((SECONDS_WAITED + 2))
            sleep 2
        else
            echo -e "\rRancher Desktop has shut down.                  "
            break
        fi
    done

else
    echo "Invalid action. Please use 'start' or 'stop'."
    exit 1
fi