run-bahmni.sh

#!/bin/bash


function checkDockerAndDockerComposeVersion {
    
    # Check if docker is installed
    if ! [ -x "$(command -v docker)" ]; then
    echo 'Error: docker is not installed. Please install docker first!' >&2
    exit 1
    fi

    DOCKER_SERVER_VERSION=$(docker version -f "{{.Server.Version}}")
    DOCKER_SERVER_VERSION_MAJOR=$(echo "$DOCKER_SERVER_VERSION"| cut -d'.' -f 1)
    DOCKER_SERVER_VERSION_MINOR=$(echo "$DOCKER_SERVER_VERSION"| cut -d'.' -f 2)
    DOCKER_SERVER_VERSION_BUILD=$(echo "$DOCKER_SERVER_VERSION"| cut -d'.' -f 3)

    if [ "${DOCKER_SERVER_VERSION_MAJOR}" -ge 20 ]; then
        echo 'Docker version >= 20.10.13, using Docker Compose V2'
    else
        echo 'Docker versions < 20.x are not supported' >&2 
        exit 1
    fi

    # Check the version of Docker Compose
    if ! [ -x "$(command -v docker compose version)" ]; then
    echo 'Error: docker compose is not installed. Please install docker compose.' >&2
    exit 1
    fi
    version=$(docker compose version)
    echo "Docker Compose version: $version"
    echo "---"
}

function checkIfDirectoryIsCorrect {
    # Current subdirectory
    current_subdir=$(basename $(pwd))
    echo "$current_subdir"

    if [ "$current_subdir" == "snomed-clinic" ] || [ "$current_subdir" == "snomed-standard" ] || [ "$current_subdir" == "snomed-clinic-with-snowstorm-lite" ] || [ "$current_subdir" == "snomed-standard-with-snowstorm-lite" ] ; then
        return
    else
        echo "Error: This script should be run from either 'snomed-clinic' or 'snomed-standard' subfolder. Please cd to the appropriate sub-folder and then execute the run-bahmni.sh command."
        exit 1
    fi
}

function start {
    echo "Executing command: 'docker compose up -d'"
    echo "Starting Bahmni with default profile from .env file"
    docker compose up -d
}


function stop {
    echo "Executing command: 'docker compose down' with all profiles"
    docker compose --profile emr --profile snomed-clinic --profile snomed-standard down
}

function sshIntoService {
    # Using all profiles, so that we can status of all services
    echo "Listing the running services..."
    docker compose --profile snomed-clinic --profile snomed-standard ps

    echo "Enter the SERVICE name which you wish to ssh into:"
    read serviceName
    
    docker compose exec $serviceName /bin/sh
}

function showLogsOfService {
    # Using all profiles, so that we can status of all services
    echo "Listing the running services..."
    docker compose --profile snomed-clinic --profile snomed-standard ps

    echo "Enter the SERVICE name whose logs you wish to see:"
    read serviceName
    
    docker compose logs $serviceName -f
}


function showOpenMRSlogs {
    echo "Opening OpenMRS Logs..."
    docker compose logs openmrs -f 
}

function pullLatestImages {
    echo "Pulling all latest images..."
    docker compose pull
}

function showStatus {
    echo "Listing status of running Services with command: 'docker compose ps'"
    # Using all profiles, so that we can status of all services
    docker compose --profile snomed-clinic --profile snomed-standard ps

}


# Function to prompt the user for a "Yes" or "No" answer
confirm() {
    read -p "$1 [y/n]: " response
    case $response in
        [yY][eE][sS]|[yY])
            return 0
            ;;
        [nN][oO]|[nN])
            return 1
            ;;
        *)
            echo "Invalid input"
            return 1
    esac
}


function resetAndEraseALLVolumes {
  echo "Listing current volumes..."
  docker volume ls
  echo "---"  
  if confirm "WARNING: Are you sure you want to DELETE all Bahmni Data and Volumes??"; then
    echo "Proceeding with a DELETE.... "
    
    echo "1. Stopping all services, using all profiles.."
    docker compose --profile emr --profile snomed-clinic --profile snomed-standard down
    
    docker compose ps
    
    echo "2. Deleting all volumes (-v) .."
    docker compose --profile emr --profile snomed-clinic --profile snomed-standard down -v
    RESULT=$?
    if [ $RESULT -eq 0 ]; then
        echo "Volumes deleted successfully."
    else
        echo "[ERROR] Command threw an error! Trying stopping all services, and then retry."
    fi
    
    echo "Volumes remaining on machine 'docker volume ls': "
    docker volume ls

    echo "-"
    echo "Note:"
    echo "-----"
    echo "1. If you still wish to delete some other volumes you can use the 'docker volume rm' command."
    echo "2. Alternatively, to delete all containers, networks, volumes you can look at the 'docker system prune --volumes' command. Read more here: https://docs.docker.com/config/pruning/"
    echo "3. If you want the latest Bahmni images, then PULL them first and then start Bahmni."

  else
    echo "OK Aborting :)"
  fi  
}

function restartService {
    # One can ONLY restart services in current profile (limitation of docker compose restart command). 
    echo "Listing the running services from current profile (.env file) that can be restarted..."
    docker compose ps

    echo "Enter the name of the SERVICE to restart:"
    read serviceName
    
    echo "Restarting SERVICE: $serviceName"
    docker compose restart $serviceName

    if confirm "Do you want to see the service logs?"; then
        docker compose logs $serviceName -f
    fi
}


#Function to shutdown the script
function shutdown {
    exit 0
}

# Check Docker Compose versions first
checkDockerAndDockerComposeVersion
# Check Directory is correct
checkIfDirectoryIsCorrect

echo "Please select an option:"
echo "------------------------"
echo "1) START Bahmni services"
echo "2) STOP  Bahmni services"
echo "3) LOGS: Show OpenMRS Logs"
echo "4) LOGS: Show LOGS of a service"
echo "5) SSH into a Container"
echo "6) PULL latest images from Docker hub for Bahmni"
echo "7) RESET and ERASE All Volumes/Databases from docker!"
echo "8) RESTART a service"
echo "9) STATUS of all services"
echo "-------------------------"
read option

case $option in
    1) start;;
    2) stop;;
    3) showOpenMRSlogs;;
    4) showLogsOfService;;
    5) sshIntoService;;
    6) pullLatestImages;;
    7) resetAndEraseALLVolumes;;
    8) restartService;;
    9) showStatus;;
    *) echo "Invalid option selected";;
esac