chf

#!/bin/bash

SCRIPT_DIRECTORY="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

echo "-------------------------------------------------------------------"
echo "Content Hub Farm Control Script"
echo ""
echo "Usage:"
echo " \$./bin/chf <COMMAND> <COMMAND-ARGUMENTS>"
echo " \$./bin/chf <CONTAINER> <COMMAND> <COMMAND-ARGUMENTS>"
echo ""
echo "To list all available commands: \$./bin/chf list-commands"
echo "-------------------------------------------------------------------"

# List all available commands if 'list-commands' argument is provided.
if [ "$1" == "list-commands" ]; then
  echo "Available Internal Commands:"
  ls -1 ${SCRIPT_DIRECTORY}/bin/commands/internal | sed -e 's/\.sh$//' | sed -e 's/^/ * /'
  echo "Available Commands in Container Scope:"
  ls -1 ${SCRIPT_DIRECTORY}/bin/commands/container | sed -e 's/\.sh$//' | sed -e 's/^/ * /'
  exit
fi

# Check whether this was an internal command or in the scope of a container.
INTERNAL_COMMAND=false
INTERNAL_COMMAND_LIST=`ls -1 ${SCRIPT_DIRECTORY}/bin/commands/internal | sed -e 's/\.sh$//' | sed -e 'H;${x;s/\n/|/g;s/^,//;p;};d'`
if [[ "$1" =~ ^(echo ${INTERNAL_COMMAND_LIST})$ ]]; then
  INTERNAL_COMMAND=true;
fi

if [ $INTERNAL_COMMAND == true ]; then
  COMMAND="$1"
  COMMAND_FILE=${SCRIPT_DIRECTORY}/bin/commands/internal/${COMMAND}.sh
else
  CONTAINER="$1"
  COMMAND="$2"
  COMMAND_FILE=${SCRIPT_DIRECTORY}/bin/commands/container/${COMMAND}.sh

  # Obtaining the list of available containers.
  list=`docker-compose images | sed -n '1,2!p' | cut -f 1 -d ' ' | awk '{print $NF}'`

  # Checking if container is available.
  if [[ $list =~ (^|[[:space:]])"$CONTAINER"($|[[:space:]]) ]] ; then
    if [[ -z "$CONTAINER" && -z "$COMMAND" ]]; then
      echo "Services are not running..."
    else
      echo "Executing command '$2' on container '$1'..."
    fi
  else
    echo "Cannot connect to container '$CONTAINER'. Plese use one of the following containers:"
    echo "$list" | sed -e 's/^/ * /'
    echo ""
    echo "You need to provide a command to execute. Some examples below:"
    echo "For Internal Commands:"
    echo ""
    echo "\$./chf go       ; Full Setup and installation"
    echo "\$./chf setup    ; Sets up the environment and creates configuration files."
    echo "\$./chf up       ; Creates and starts containers."
    echo "\$./chf start    ; Starts services."
    echo "\$./chf stop     ; Stops services."
    echo "\$./chf pause    ; Pause services."
    echo "\$./chf logs     ; View output from containers."
    echo ""
    echo "For Commands in the container scope:"
    echo ""
    echo "\$./chf <container> enable_xdebug     ; Enables Xdebug in the container."
    echo "\$./chf <container> drush <arguments> ; Executes drush commands in the container."
    echo "\$./chf <container> sh                ; Opens a terminal to the container."
    echo ""
    exit
  fi
fi

# Eliminating command argument to pass to command script.
args=""
for i in "$@" ; do
  if [ "$i" != "$COMMAND" ]; then
    args="${args} $i"
  fi
done

# Execute command.
if [ -f "$COMMAND_FILE" ]; then
  source ${COMMAND_FILE} $args
else
  if [[ -z "$CONTAINER" && -z "$COMMAND" ]]; then
    echo ""
    echo "To create and start services:"
    echo "       ./chf up"
    echo ""
    echo "To start services, if containers are already built:"
    echo "       ./chf start"
    echo ""
  else
    echo "The command '${COMMAND}' is not implemented."
  fi
fi