Create symlink from ~/.bash_profile for login shell to activate my ~/.bashrc.
alias gssh='gcloud compute ssh --tunnel-through-iap'
_gssh() {
local cur=${COMP_WORDS[COMP_CWORD]}
[[ "$cur" = -* ]] && return 0
local hosts=$(gcloud compute instances list --format='value(name)')
COMPREPLY=( $(compgen -W "$hosts" -- "$cur") )
return 0
}
complete -F _gssh gssh