mango templating

~/go/src/github.com/tjhop/mango (main [  ]) -> cat test/mockup/inventory/hosts/testbox/variables
mango_host_template_var="Hi, I'm a host variable!"
mango_host_var_for_override="This is the original host variable content."
~/go/src/github.com/tjhop/mango (main [  ]) -> cat test/mockup/inventory/modules/test-template/variables
mango_module_template_var="Hi, I'm a module variable!"
mango_host_var_for_override="Module has updated host var!"
~/go/src/github.com/tjhop/mango (main [  ]) -> cat test/mockup/inventory/modules/test-template/apply
#!/usr/bin/env bash

FILE="/tmp/$(basename ${0%/*})-$$"

cat > ${FILE} <<EOF
    Testing templating!
    Printing all variables available, via template
    -------------------
    Printing host variables:
    {{- range $k, $v := .HostVars }}
    {{ $k }} : {{ $v }}
    {{- end }}
    -------------------
    Printing module variables:
    {{- range $k, $v := .ModuleVars }}
    {{ $k }} : {{ $v }}
    {{- end }}
    -------------------
    Printing all variables (merged, where module variables override host variables):
    {{- range $k, $v := .Vars }}
    {{ $k }} : {{ $v }}
    {{- end }}
    -------------------
    Done.
EOF
~/go/src/github.com/tjhop/mango (main [  ]) -> cat /tmp/test-template-1359274
    Testing templating!
    Printing all variables available, via template
    -------------------
    Printing host variables:
    mango_host_template_var : Hi, I'm a host variable!
    mango_host_var_for_override : This is the original host variable content.
    -------------------
    Printing module variables:
    mango_host_var_for_override : Module has updated host var!
    mango_module_template_var : Hi, I'm a module variable!
    -------------------
    Printing all variables (merged, where module variables override host variables):
    mango_host_template_var : Hi, I'm a host variable!
    mango_host_var_for_override : Module has updated host var!
    mango_module_template_var : Hi, I'm a module variable!
    -------------------
    Done.