github.com/richardmarshall/terraform@v0.9.5-0.20170429023105-15704cc6ee35/command/validate.go (about)

     1  package command
     2  
     3  import (
     4  	"flag"
     5  	"fmt"
     6  	"path/filepath"
     7  	"strings"
     8  
     9  	"github.com/hashicorp/terraform/config"
    10  )
    11  
    12  // ValidateCommand is a Command implementation that validates the terraform files
    13  type ValidateCommand struct {
    14  	Meta
    15  }
    16  
    17  const defaultPath = "."
    18  
    19  func (c *ValidateCommand) Run(args []string) int {
    20  	args = c.Meta.process(args, false)
    21  	var dirPath string
    22  
    23  	cmdFlags := flag.NewFlagSet("validate", flag.ContinueOnError)
    24  	cmdFlags.Usage = func() { c.Ui.Error(c.Help()) }
    25  	if err := cmdFlags.Parse(args); err != nil {
    26  		return 1
    27  	}
    28  
    29  	if len(args) == 1 {
    30  		dirPath = args[0]
    31  	} else {
    32  		dirPath = "."
    33  	}
    34  	dir, err := filepath.Abs(dirPath)
    35  	if err != nil {
    36  		c.Ui.Error(fmt.Sprintf(
    37  			"Unable to locate directory %v\n", err.Error()))
    38  	}
    39  
    40  	rtnCode := c.validate(dir)
    41  
    42  	return rtnCode
    43  }
    44  
    45  func (c *ValidateCommand) Synopsis() string {
    46  	return "Validates the Terraform files"
    47  }
    48  
    49  func (c *ValidateCommand) Help() string {
    50  	helpText := `
    51  Usage: terraform validate [options] [path]
    52  
    53    Reads the Terraform files in the given path (directory) and
    54    validates their syntax and basic semantics.
    55  
    56    This is not a full validation that is normally done with
    57    a plan or apply operation, but can be used to verify the basic
    58    syntax and usage of Terraform configurations is correct.
    59  
    60  Options:
    61  
    62    -no-color           If specified, output won't contain any color.
    63  
    64  `
    65  	return strings.TrimSpace(helpText)
    66  }
    67  
    68  func (c *ValidateCommand) validate(dir string) int {
    69  	cfg, err := config.LoadDir(dir)
    70  	if err != nil {
    71  		c.Ui.Error(fmt.Sprintf(
    72  			"Error loading files %v\n", err.Error()))
    73  		return 1
    74  	}
    75  	err = cfg.Validate()
    76  	if err != nil {
    77  		c.Ui.Error(fmt.Sprintf(
    78  			"Error validating: %v\n", err.Error()))
    79  		return 1
    80  	}
    81  	return 0
    82  }