pulumi/cmd/compile.go
2017-01-17 14:58:45 -08:00

61 lines
1.8 KiB
Go

// Copyright 2016 Marapongo, Inc. All rights reserved.
package cmd
import (
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/marapongo/mu/pkg/pack"
)
func newCompileCmd() *cobra.Command {
var cmd = &cobra.Command{
Use: "compile [blueprint] [-- [args]]",
Short: "Compile a MuPackage into its MuGL graph representation",
Long: "Compile a MuPackage into its MuGL graph representation.\n" +
"\n" +
"A graph is a topologically sorted directed-acyclic-graph (DAG), representing a\n" +
"collection of resources that may be used in a deployment operation like plan or apply.\n" +
"This graph is produced by evaluating the contents of a Mu blueprint package, and\n" +
"does not actually perform any updates to the target environment.\n" +
"\n" +
"By default, a blueprint package is loaded from the current directory. Optionally,\n" +
"a path to a blueprint elsewhere can be provided as the [blueprint] argument.",
Run: func(cmd *cobra.Command, args []string) {
// If there's a --, we need to separate out the command args from the stack args.
flags := cmd.Flags()
dashdash := flags.ArgsLenAtDash()
var packArgs []string
if dashdash != -1 {
packArgs = args[dashdash:]
args = args[0:dashdash]
}
// Now load up the package.
var pkg *pack.Package
if len(args) > 0 {
// The user has specified a path (or requested Stdin).
pkg = readPackageFromArg(args[0])
} else {
// Otherwise, use default Mu package name.
fmt.Fprintf(os.Stderr, "error: Default package names NYI")
}
if pkg == nil {
return
}
// Next, create a compiler object, and use it to generate a MuGL graph.
// TODO: this.
_ = packArgs
// Finally, serialize that MuGL graph so that it's suitable for printing/serializing.
// TODO: this.
},
}
return cmd
}