Qbec (pronounced like the Canadian province) is a CLI tool that allows you to create Kubernetes objects on multiple Kubernetes clusters or namespaces configured correctly for the target environment in question.
It is based on jsonnet and is similar to other tools in the same space like kubecfg and ksonnet.
For more info, read the docs
mkdir -p ${GOPATH}/src/github.com/splunk
cd ${GOPATH}/src/github.com/splunk && git clone git@github.com:splunk/qbec
cd qbec
make install # installs dep, golint etc.
make