.dockerfunc

#!/usr/bin/env bash
#
# Inspired (and in some cases, like the helper functions, straight copied) from
# [jessfraz/dotfiles][1] (see license at end of file), this is a bunch of Bash
# wrappers for docker run commands.
#
# [1]: https://github.com/jessfraz/dotfiles/blob/9ac223d3d866dc326701cf5b7b32b196177ec1f2/.dockerfunc

#
# Helper Functions
# via jessfraz/dotfiles
#

dcleanup(){
  local containers
  containers=( $(docker ps -aq 2>/dev/null) )
  docker rm "${containers[@]}" 2>/dev/null
  local volumes
  volumes=( $(docker ps --filter status=exited -q 2>/dev/null) )
  docker rm -v "${volumes[@]}" 2>/dev/null
  local images
  images=( $(docker images --filter dangling=true -q 2>/dev/null) )
  docker rmi "${images[@]}" 2>/dev/null
}

del_stopped(){
  local name=$1
  local state
  state=$(docker inspect --format "{{.State.Running}}" "$name" 2>/dev/null)

  if [[ "$state" == "false" ]]; then
    docker rm "$name"
  fi
}

relies_on(){
  for container in "$@"; do
    local state
    state=$(docker inspect --format "{{.State.Running}}" "$container" 2>/dev/null)

    if [[ "$state" == "false" ]] || [[ "$state" == "" ]]; then
      echo "$container is not running, starting it for you."
      $container
    fi
  done
}

#
# Container Aliases
#

keybase() {
  docker run --rm -it \
    -v "${HOME}/.config/keybase:/home/keybase/.config/keybase" \
    --name keybase \
    langrisha/keybase:1.0.0 "$@"
}

pandoc() {
  pandoc_version="2.9.2.1"
  docker run --rm \
    --volume "`pwd`:/data" \
    --user `id -u`:`id -g` \
    pandoc/latex:$pandoc_version \
    "$@"
}

rails-new() {
  mkdir $1
  pushd $1

  cat > Gemfile <<EOL
source 'https://rubygems.org'
gem 'rails'
EOL
  touch Gemfile.lock

  cat > Dockerfile <<EOL
FROM andrewsardone/docker-rails-dev

COPY Gemfile /app/Gemfile
COPY Gemfile.lock /app/Gemfile.lock

RUN bundle install

COPY . /app
EOL

  cat > docker-compose.yml <<EOL
version: '3'
services:
  db:
    image: postgres
    volumes:
      - ./tmp/db:/var/lib/postgresql/data
  web:
    build: .
    command: bundle exec rails s -p 3000 -b '0.0.0.0'
    volumes:
      - .:/app
    ports:
      - "3000:3000"
    depends_on:
      - db
EOL

  docker-compose run web rails new . --force --database=postgresql

  popd
}

# CLI for the Zeit Now deployment PaaS
# https://zeit.co/now
now() {
  local directory_name=$(basename "$PWD")
  docker-now() {
    docker run --rm -it \
      -v $PWD:/now \
      andrewsardone/docker-zeit-now \
      "$@"
  }
  if [ $# -eq 0 ]; then
    # Since we're always deploying from the same directory of /now within the
    # container, we'll pass in our host's directory as the name of the
    # application to be deployed.
    docker-now now -n $directory_name
  else
    docker-now now "$@"
  fi
}

# License for https://github.com/jessfraz/dotfiles
#
# The MIT License (MIT)
#
# Copyright (c) 2015 Jessie Frazelle
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.