Parse concourse deployment and download release blobs

download-releases.sh

#!/bin/bash 
mkdir -p ../images/concourse

for i in {0..15}   # Cap at 15 releases adjust as necessary
do
        URL="$(bosh int \
        -e bosh-1 \
        -d concourse \
        ./concourse-bosh-deployment/cluster/concourse.yml \
        -l ./concourse-bosh-deployment/versions.yml \
        -l ./variables.yml \
        -o ./concourse-bosh-deployment/cluster/operations/backup-atc.yml \
        -o ./concourse-bosh-deployment/cluster/operations/basic-auth.yml \
        -o ./concourse-bosh-deployment/cluster/operations/static-web.yml \
        -o ./concourse-bosh-deployment/cluster/operations/privileged-https.yml \
        -o ./concourse-bosh-deployment/cluster/operations/tls-vars.yml \
        -o ./concourse-bosh-deployment/cluster/operations/tls.yml \
        -o ./concourse-bosh-deployment/cluster/operations/uaa.yml \
        -o ./concourse-bosh-deployment/cluster/operations/credhub-colocated.yml \
        -o ./concourse-bosh-deployment/cluster/operations/encryption.yml \
        --vars-store cluster-creds.yml \
        --path /releases/$i/url 2>/dev/null)"
        if [[ $? -ne 0 ]]; then
                exit 1
        fi

        VERSION="${URL#*=}"             # From a given URL eg: https://bosh.io/d/github.com/cloudfoundry-incubator/backup-and-restore-sdk-release?v=1.18.119 
                                        # Grab and save the version
        RELEASE="${URL%\?*}"            # Remove ? and everything after it      
        RELEASE="${RELEASE##*/}"        # Remove largest match (##) up to / eg only keep file
        
        echo "Filename:    $RELEASE-$VERSION.tgz"
        echo "Downloading: $URL"
        wget -vvvv --no-clobber -O "../images/concourse/$RELEASE-$VERSION.tgz" $URL  # No clobber so not over write existing file
        echo ""
done