create a kubernetes CRD

install package  

pip3 install jinja2
pip3 install yq

 Function for Jinja2 Render  

just paste the follow code to your terminal

jinji2_render(){
yf=$1
[[ "$yf" != ./* && "$yf" != /* ]] && yf="./$yf"
tmplp=${yf%/*}
tmpl=${yf##*/}
content=${2:-{\}}
cat <<EOF | python3
from jinja2 import Environment, FileSystemLoader

content=$content

file_loader = FileSystemLoader("$tmplp")
env = Environment(loader=file_loader)

template = env.get_template("$tmpl")
output=template.render(content)

print(output)
EOF
}