s3-resource-simple/assets/in

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#!/bin/sh
# Resource Impl: http://concourse.ci/implementing-resources.html#in:-fetch-a-given-resource
set -e
exec 3>&1 # make stdout available as fd 3 for the result
exec 1>&2 # redirect all output to stderr for logging
dest=$1
if [ -z "$dest" ]; then
echo "usage: $0 <path/to/volume>"
exit 1
fi
#######################################
# parse incoming config data
payload=`cat`
bucket=$(echo "$payload" | jq -r '.source.bucket')
path=$(echo "$payload" | jq -r '.source.path // ""')
options=$(echo "$payload" | jq -r '.source.options // [] | join(" ")')
skip_download=$(echo "$payload" | jq -r '.params.skip_download // ""')
# export for `aws` cli
AWS_ACCESS_KEY_ID=$(echo "$payload" | jq -r '.source.access_key_id')
AWS_SECRET_ACCESS_KEY=$(echo "$payload" | jq -r '.source.secret_access_key')
# Due to precedence rules, must be unset to support AWS IAM Roles.
if [ -n "$AWS_ACCESS_KEY_ID" ] && [ -n "$AWS_SECRET_ACCESS_KEY" ]; then
export AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID
export AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY
fi
if [ "$skip_download" = "true" ]; then
echo "Skipping downloading from S3..."
else
echo "Downloading from S3..."
eval aws s3 sync "s3://$bucket/$path" $dest $options
echo "...done."
fi
source "$(dirname $0)/emit.sh" >&3