github.com/w3security/vervet/v5@v5.3.1-0.20230618081846-5bd9b5d799dc/internal/cmd/resolve.go (about)

     1  package cmd
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/urfave/cli/v2"
     7  
     8  	"github.com/w3security/vervet/v5"
     9  )
    10  
    11  // ResolveCommand is the `vervet resolve` subcommand.
    12  var ResolveCommand = cli.Command{
    13  	Name:      "resolve",
    14  	Usage:     "Aggregate, render and validate resource specs at a particular version",
    15  	ArgsUsage: "[resource root]",
    16  	Flags: []cli.Flag{
    17  		&cli.StringFlag{Name: "at"},
    18  	},
    19  	Action: Resolve,
    20  }
    21  
    22  // Resolve aggregates, renders and validates resource specs at a particular
    23  // version.
    24  func Resolve(ctx *cli.Context) error {
    25  	specDir, err := absPath(ctx.Args().Get(0))
    26  	if err != nil {
    27  		return err
    28  	}
    29  	specVersions, err := vervet.LoadSpecVersions(specDir)
    30  	if err != nil {
    31  		return err
    32  	}
    33  	version, err := vervet.ParseVersion(ctx.String("at"))
    34  	if err != nil {
    35  		return err
    36  	}
    37  	specVersion, err := specVersions.At(version)
    38  	if err != nil {
    39  		return err
    40  	}
    41  
    42  	yamlBuf, err := vervet.ToSpecYAML(specVersion)
    43  	if err != nil {
    44  		return fmt.Errorf("failed to convert JSON to YAML: %w", err)
    45  	}
    46  	fmt.Println(string(yamlBuf))
    47  
    48  	err = specVersion.Validate(ctx.Context)
    49  	if err != nil {
    50  		return fmt.Errorf("error: spec validation failed: %w", err)
    51  	}
    52  	return nil
    53  }