install

#!/bin/bash
[[ -z "$INFO_LEVEL" ]] && source ./bits/bootstrap/logging

#-----------
# Configurations
#-----------

export LAUNCHER_DIR=${LAUNCHER_DIR-/var/local}
export DOCKER_LAUNCHER_DIR=${DOCKER_LAUNCHER_DIR-$LAUNCHER_DIR/docker}
LAUNCHER_OWNER=${LAUNCHER_OWNER-$USER}
DOCKER_FORCE_INSTALL=${DOCKER_FORCE_INSTALL-false}
DOCKER_BASE_SIZE=${DOCKER_BASE_SIZE-10g}
DOCKER_LOOPDATA_SIZE=${DOCKER_LOOPDATA_SIZE-100g}
DOCKER_LOOPMETADATA_SIZE=${DOCKER_LOOPMETADATA_SIZE-2g}

#-----------
# Install Script
#-----------

notify "Installing DOCKER ($OS)..."

if [[ "$LOGLEVEL" -le "$DEBUG_LEVEL" ]]; then
  DOCKER_OUTPUT=${DOCKER_LAUNCHER_DIR}/docker_install.log
else
  DOCKER_OUTPUT=/dev/null
fi

if [[ `groups $LAUNCHER_OWNER | grep docker` == ""  ]] && [[ "$OS" == "ubuntu" ]]; then
  notify "  -- Adding $LAUNCHER_OWNER to group docker. (will require logout/login)"
  $SUDO groupadd -f docker
  $SUDO gpasswd -a ${LAUNCHER_OWNER} docker > $DOCKER_OUTPUT 2>&1
  error "Please logout and log back in and re-execute command."
  exit 2
fi

if [[ "$DOCKER_FORCE_INSTALL" == true ]]; then
  notify "  -- forcing a install of docker if it already existed"
  if [[ -e ${DOCKER_LAUNCHER_DIR}/kill ]]; then
    ${DOCKER_LAUNCHER_DIR}/kill
  fi
  rm -rf ${DOCKER_LAUNCHER_DIR}
fi

OWNER=$LAUNCHER_OWNER ./bits/bootstrap/mkdir LAUNCHER_DIR DOCKER_LAUNCHER_DIR $DOCKER_LAUNCHER_DIR/src

if [[ "$OS" == "ubuntu" ]]; then
  if [[ -z "`which ufw 2> /dev/null`"  ]] && [[ ! -e "${DOCKER_LAUNCHER_DIR}/ufw.done" ]]; then
    notify "  -- Configuring /etc/default/ufw"
    mkdir -p /etc/default
    sed -i 's|DEFAULT_FORWARD_POLICY="DROP"|DEFAULT_FORWARD_POLICY="ACCEPT"|g' /etc/default/ufw
    ufw reload > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT
    ufw allow 4243/tcp > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT
    touch "${DOCKER_LAUNCHER_DIR}/ufw.done"
  else
    debug "  -- Already configured /etc/default/ufw"
  fi
fi

if [[ "$DOCKER_FORCE_INSTALL" == true ]] || [[ "`which docker 2> /dev/null`" == "" ]]; then
  notify "  -- install docker on $OS"
  if [[ "$OS" == "ubuntu" ]]; then
    $SUDO apt-get update > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT
    $SUDO apt-get install -y docker.io > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT
    $SUDO ln -sf /usr/bin/docker.io /usr/local/bin/docker
    # $SUDO sed -i '$acomplete -F _docker docker' /etc/bash_completion.d/docker.io

    [ -e /usr/lib/apt/methods/https ] || {
      $SUDO apt-get update > $DOCKER_OUTPUT 2>&1
      debug_all $DOCKER_OUTPUT
      $SUDO apt-get install -y apt-transport-https > $DOCKER_OUTPUT 2>&1
      debug_all $DOCKER_OUTPUT
    }

    $SUDO apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9 > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT

    $SUDO apt-get install -y curl > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT
    SCRIPT_OUTPUT=$(curl -s https://get.docker.io/ubuntu/ | $SUDO sh > $DOCKER_OUTPUT 2>&1)
  elif [[ "$OS" == "mac" ]]; then
    error "Please install boot2docker (https://docs.docker.com/installation/mac/)"
    exit 1
  else
    SRC_NAME=epel-release-6-8.noarch.rpm SRC_DIR=$DOCKER_LAUNCHER_DIR/src \
      NAME="EPEL (Extra Packages for Enterprise Linux) repository" \
      REMOTE_URL=http://dl.fedoraproject.org/pub/epel/6/i386/ \
      ./bits/bootstrap/wget

    (cd $DOCKER_LAUNCHER_DIR/src && $SUDO rpm -ivh epel-release-6-8.noarch.rpm)
    # (cd $DOCKER_LAUNCHER_DIR/src && $SUDO rpm -FUvh epel-release-6-8.noarch.rpm)

    debug "  -- Cleaning YUM"
    $SUDO yum clean all > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT

    debug "  -- installing device-mapper-event-libs"
    debug "     >> http://stackoverflow.com/questions/27216473/docker-1-3-fails-to-start-on-rhel6-5"
    $SUDO yum install -y device-mapper-event-libs > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT

    debug "  -- Installing docker-io.x86_64"
    $SUDO yum install -y docker-io.x86_64 > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT

    debug "  -- Updating docker-io.x86_64"
    $SUDO yum update -y docker-io.x86_64 > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT

    debug "  -- Enabling docker on startup"
    $SUDO chkconfig docker on > $DOCKER_OUTPUT 2>&1
    debug_all $DOCKER_OUTPUT
  fi

  if [[ "`which docker 2> /dev/null`" == "" ]]; then
    error "Unable to install docker"
    exit 1
  fi
fi

if [[ "$OS" == "redhat" ]] && [[ "$LAUNCHER_OWNER" != "$USER" ]]; then
  debug "  -- Granting docker access to ${LAUNCHER_OWNER}"
  $SUDO gpasswd -a ${LAUNCHER_OWNER} docker > $DOCKER_OUTPUT 2>&1
  debug_all $DOCKER_OUTPUT
fi

if [[ -e "/etc/default/docker" ]]; then
  TEMPLATE=./bits/docker/files/conf LOCATION=/etc/default/docker \
    $SUDO ./bits/docker/copyif \
    @DOCKER_BASE_SIZE@ $DOCKER_BASE_SIZE \
    @DOCKER_LOOPDATA_SIZE@ $DOCKER_LOOPDATA_SIZE \
    @DOCKER_LOOPMETADATA_SIZE@ $DOCKER_LOOPMETADATA_SIZE \
    @DOCKER_ARGS@ $DOCKER_ARGS
fi

notify "  -- Installing helper scripts"
TEMPLATE=./bits/docker/files/bin LOCATION=$DOCKER_LAUNCHER_DIR ./bits/docker/copyallif

DOCKER_SERVICE=docker
if [[ "$OS" != "mac" ]] && [[ "`$SUDO service $DOCKER_SERVICE status | grep process`" == "" ]] && [[ "`$SUDO service $DOCKER_SERVICE status | grep \"is running\"`" == "" ]]; then
  notify "  -- restarting service"
  $SUDO service $DOCKER_SERVICE restart > $DOCKER_OUTPUT 2>&1
  debug_all $DOCKER_OUTPUT
fi

if [[ "$OS" == "mac" ]]; then
  if [[ "$(docker ps 2>&1)" == *"Cannot connect to the Docker daemon"* ]]; then
    error "Please run 'source $DOCKER_LAUNCHER_DIR/shell' to enable docker in your shell, and then re-run your deploy script"
    exit 1
  fi
fi

if [[ -e /var/lib/docker ]]; then
  OWNER=$LAUNCHER_OWNER ./bits/bootstrap/chownif /var/lib/docker
else
  debug "  -- No /var/lib/docker found, so not chowning to $LAUNCHER_OWNER"
fi

DIR=./bits/docker ./bits/bootstrap/cleanup

notify "DONE, Installing DOCKER."