docker.sh

#!/bin/sh

# variables that can be set
# DEBUG   : set to echo to print command and not execute
# PUSH    : set to push to push, anthing else not to push. If not set
#           the program will push if master or develop.
# PROJECT : the project to add to the image, default is NCSA
# VERSION : the list of tags to use, if not set this will be 2

#DEBUG=echo

# set default for clowder
PROJECT=${PROJECT:-"clowder"}

RM=${RM:-"rm"}

# find out version and if we should push
BRANCH="$(git rev-parse --abbrev-ref HEAD)"
VERSION=${VERSION:-"2"}
if [ "$BRANCH" = "master" ]; then
  PUSH=${PUSH:-"push"}
else
  PUSH=${PUSH:-""}
fi

# keep track of which latest amde
LATEST=""

# helper to create the docker container
# $1 - folder that contains the Dockerfile
# $2 - name of docker image
# $3 - name of Dockerfile
create() {
  if [ -z "$1" ]; then echo "Missing repo/Dockerfile name."; exit -1; fi
  if [ -z "$2" ]; then echo "Missing name for $1."; exit -1; fi

  DOCKERFILE=${3:-"$1/Dockerfile"}

  # create image using temp id
  local ID=$(uuidgen)
  ${DEBUG} docker build  --tag $$ --file ${DOCKERFILE} $1
  if [ $? -ne 0 ]; then
    echo "FAILED build of $1/${DOCKERFILE}"
    exit -1
  fi

  # tag all versions
  for v in $VERSION; do
    if [ "$PROJECT" = "" ]; then
      ${DEBUG} docker tag $$ ${2}:${v}
    else
      for p in ${PROJECT}; do
        NAME=$2
        ${DEBUG} docker tag $$ ${p}/${NAME}:${v}
        if [ "$PUSH" = "push" ]; then
          ${DEBUG} docker push ${p}/${NAME}:${v}
        fi
      done
    fi
  done

  # tag version as latest, but don't push
  if [ ! "$BRANCH" = "master" ]; then
    if [ "$PROJECT" = "" ]; then
      ${DEBUG} docker tag $$ ${2}:latest
      LATEST="$LATEST ${2}:latest"
    else
      for p in ${PROJECT}; do
        NAME=$2
        ${DEBUG} docker tag $$ ${p}/${NAME}:latest
        LATEST="$LATEST ${p}/${NAME}:latest"
      done
    fi
  fi

  # delete image with temp id
  ${DEBUG} docker rmi $$
}

# Create the docker containers
create "."                           "pyclowder"
create "sample-extractors/wordcount" "extractors-wordcount"

# remove latest tags
if [ "$RM" = "rm" ]; then
    for r in $LATEST; do
      ${DEBUG} docker rmi ${r}
    done
fi