Merge pull request #10 from GRIDAPPSD/releases/2019.03.0

2019.03.0 release

.travis.yml

@@ -0,0 +1,15 @@
+# make use of vm's
+sudo: 'required'
+
+# have the docker service set up (we'll
+# update it later)
+services:
+  - 'docker'
+
+# prepare the machine before any code
+# installation scripts
+before_install:
+  - './.travis/main.sh'
+
+script:
+  - './.travis/build-docker.sh'

.travis/build-docker.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+
+TAG="${TRAVIS_BRANCH//\//_}"
+
+ORG=`echo $DOCKER_PROJECT | tr '[:upper:]' '[:lower:]'`
+ORG="${ORG:+${ORG}/}"
+IMAGE="${ORG}sample_app"
+TIMESTAMP=`date +'%y%m%d%H'`
+GITHASH=`git log -1 --pretty=format:"%h"`
+
+BUILD_VERSION="${TIMESTAMP}_${GITHASH}${TRAVIS_BRANCH:+:$TRAVIS_BRANCH}"
+echo "BUILD_VERSION $BUILD_VERSION"
+
+# Pass gridappsd tag to docker-compose
+docker build --build-arg TIMESTAMP="${BUILD_VERSION}" -t ${IMAGE}:${TIMESTAMP}_${GITHASH} .
+status=$?
+if [ $status -ne 0 ]; then
+  echo "Error: status $status"
+  exit 1
+fi
+
+# To have `DOCKER_USERNAME` and `DOCKER_PASSWORD`
+# filled you need to either use `travis`' cli
+# (https://github.com/travis-ci/travis.rb)
+# and then `travis set ..` or go to the travis
+# page of your repository and then change the
+# environment in the settings pannel.
+
+if [ -n "$DOCKER_USERNAME" -a -n "$DOCKER_PASSWORD" ]; then
+
+  echo " "
+  echo "Connecting to docker"
+
+  echo $DOCKER_PASSWORD | docker login -u $DOCKER_USERNAME --password-stdin
+  status=$?
+  if [ $status -ne 0 ]; then
+    echo "Error: status $status"
+    exit 1
+  fi
+
+  if [ -n "$TAG" -a -n "$ORG" ]; then
+    # Get the built container name
+    CONTAINER=`docker images --format "{{.Repository}}:{{.Tag}}" ${IMAGE}`
+
+    echo "docker push ${CONTAINER}"
+    docker push "${CONTAINER}"
+    status=$?
+    if [ $status -ne 0 ]; then
+      echo "Error: status $status"
+      exit 1
+    fi
+
+    echo "docker tag ${CONTAINER} ${IMAGE}:$TAG"
+    docker tag ${CONTAINER} ${IMAGE}:$TAG
+    status=$?
+    if [ $status -ne 0 ]; then
+      echo "Error: status $status"
+      exit 1
+    fi
+
+    echo "docker push ${IMAGE}:$TAG"
+    docker push ${IMAGE}:$TAG
+    status=$?
+    if [ $status -ne 0 ]; then
+      echo "Error: status $status"
+      exit 1
+    fi
+  fi
+
+fi

.travis/main.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+# Set an option to exit immediately if any error appears
+set -o errexit
+
+# Main function that describes the behavior of the 
+# script. 
+# By making it a function we can place our methods
+# below and have the main execution described in a
+# concise way via function invocations.
+main() {
+  setup_dependencies
+  update_docker_configuration
+
+  echo "SUCCESS:
+  Done! Finished setting up Travis machine.
+  "
+}
+
+# Prepare the dependencies that the machine need.
+# Here I'm just updating the apt references and then
+# installing both python and python-pip. This allows
+# us to make use of `pip` to fetch the latest `docker-compose`
+# later.
+# We also upgrade `docker-ce` so that we can get the
+# latest docker version which allows us to perform
+# image squashing as well as multi-stage builds.
+setup_dependencies() {
+  echo "INFO:
+  Setting up dependencies.
+  "
+
+  sudo apt update -y
+  sudo apt install realpath -y
+  #python python-pip -y
+  sudo apt install --only-upgrade docker-ce -y
+
+  sudo pip install docker-compose || true
+
+  docker info
+  docker-compose --version
+}
+
+# Tweak the daemon configuration so that we
+# can make use of experimental features (like image
+# squashing) as well as have a bigger amount of
+# concurrent downloads and uploads.
+update_docker_configuration() {
+  echo "INFO:
+  Updating docker configuration
+  "
+
+  echo '{
+  "experimental": true,
+  "storage-driver": "overlay2",
+  "max-concurrent-downloads": 50,
+  "max-concurrent-uploads": 50
+}' | sudo tee /etc/docker/daemon.json
+  sudo service docker restart
+}
+
+main

Dockerfile

@@ -2,6 +2,11 @@
 # from the gridappsd container.
 FROM gridappsd/app-container-base
 
+# Add the TIMESTAMP variable to capture the build information from 
+# the travis docker build command and add them to the image.
+ARG TIMESTAMP
+RUN echo $TIMESTAMP > /dockerbuildversion.txt 
+
 # Pick a spot to put our application code
 # (note gridappsd-python is located at /usr/src/gridappsd-python)
 # and is already installed in the app-container-base environment.