As taken from

components_package_url: "http://gigaspaces-repository-eu.s3.amazonaws.com/org/cloudify3/3.0.0/nightly_6/cloudify-components_3.0.0-ga-b6_amd64.deb"
core_package_url: "http://gigaspaces-repository-eu.s3.amazonaws.com/org/cloudify3/3.0.0/nightly_6/cloudify-core_3.0.0-ga-b6_amd64.deb"
ui_package_url: "http://gigaspaces-repository-eu.s3.amazonaws.com/org/cloudify3/3.0.0/nightly_6/cloudify-ui_3.0.0-ga-b6_amd64.deb"