krew release urls changed since v0.4.2, clearly OS type and arch inside the filename. from: https://github.com/kubernetes-sigs/krew/releases/download/v0.4.1/krew.tar.gz to: https://github.com/kubernetes-sigs/krew/releases/download/v0.4.2/krew-linux_amd64.tar.gz define `host_os` like `host_architecture` determine which OS is krew installed at.
* Add krew support * Add reset for krew * Update install krew(local) * ansible lint * yamllint * fix krew default vars * fix kubectl_localhost mode * replace include * fix e206