docker-sync-google-forms-to-engagement-db.sh

#!/bin/bash

set -e

IMAGE_NAME="$(<configurations/docker_image_name.txt)"

while [[ $# -gt 0 ]]; do
    case "$1" in
        --dry-run)
            DRY_RUN="--dry-run"
            shift;;
        --incremental-cache-volume)
            INCREMENTAL_ARG="--incremental-cache-path /cache"
            INCREMENTAL_CACHE_VOLUME_NAME="$2"
            shift 2;;
        --)
            shift
            break;;
        *)
            break;;
    esac
done

# Check that the correct number of arguments were provided.
if [[ $# -ne 5 ]]; then
    echo "Usage: $0 
    [--dry-run] [--incremental-cache-volume <incremental-cache-volume>] 
    <user> <google-cloud-credentials-file-path> <configuration-file> <code-schemes-dir> <data-dir>"
    exit
fi

# Assign the program arguments to bash variables.
USER=$1
GOOGLE_CLOUD_CREDENTIALS_PATH=$2
CONFIGURATION_FILE=$3
CODE_SCHEMES_DIR=$4
DATA_DIR=$5

# Create a container from the image that was just built.
CMD="pipenv run python -u sync_google_forms_to_engagement_db.py ${DRY_RUN} ${INCREMENTAL_ARG} \
    ${USER} /credentials/google-cloud-credentials.json configuration"

if [[ "$INCREMENTAL_ARG" ]]; then
    container="$(docker container create -w /app --mount source="$INCREMENTAL_CACHE_VOLUME_NAME",target=/cache "$IMAGE_NAME" /bin/bash -c "$CMD")"
else
    container="$(docker container create -w /app "$IMAGE_NAME" /bin/bash -c "$CMD")"
fi

echo "Created container $container"
container_short_id=${container:0:7}

# Copy input data into the container
echo "Copying $GOOGLE_CLOUD_CREDENTIALS_PATH -> $container_short_id:/credentials/google-cloud-credentials.json"
docker cp "$GOOGLE_CLOUD_CREDENTIALS_PATH" "$container:/credentials/google-cloud-credentials.json"

echo "Copying $CODE_SCHEMES_DIR -> $container_short_id:/app/code_schemes"
docker cp "$CODE_SCHEMES_DIR" "$container:/app/code_schemes"

echo "Copying $CONFIGURATION_FILE -> $container_short_id:/app/configuration.py"
docker cp "$CONFIGURATION_FILE" "$container:/app/configuration.py"

# Run the container
echo "Starting container $container_short_id"
docker start -a -i "$container"

# Copy cache data out of the container for backup
if [[ "$INCREMENTAL_ARG" ]]; then
    echo "Copying $container_short_id:/cache/. -> $DATA_DIR/Cache"
    mkdir -p "$DATA_DIR/Cache"
    docker cp "$container:/cache/." "$DATA_DIR/Cache"
fi

# Tear down the container when it has run successfully
docker container rm "$container" >/dev/null