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validate.go
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validate.go
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package command
import (
"fmt"
"strings"
"github.com/mitchellh/colorstring"
)
type ValidateCommand struct {
Meta
JobGetter
color *colorstring.Colorize
}
func (c *ValidateCommand) Help() string {
helpText := `
Usage: nomad validate [options] <path>
Checks if a given HCL job file has a valid specification. This can be used to
check for any syntax errors or validation problems with a job.
If the supplied path is "-", the jobfile is read from stdin. Otherwise
it is read from the file at the supplied path or downloaded and
read from URL specified.
`
return strings.TrimSpace(helpText)
}
func (c *ValidateCommand) Synopsis() string {
return "Checks if a given job specification is valid"
}
func (c *ValidateCommand) Run(args []string) int {
flags := c.Meta.FlagSet("validate", FlagSetNone)
flags.Usage = func() { c.Ui.Output(c.Help()) }
if err := flags.Parse(args); err != nil {
return 1
}
// Check that we got exactly one node
args = flags.Args()
if len(args) != 1 {
c.Ui.Error(c.Help())
return 1
}
// Get Job struct from Jobfile
job, err := c.JobGetter.ApiJob(args[0])
if err != nil {
c.Ui.Error(fmt.Sprintf("Error getting job struct: %s", err))
return 1
}
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 255
}
// Force the region to be that of the job.
if r := job.Region; r != nil {
client.SetRegion(*r)
}
// Check that the job is valid
jr, _, err := client.Jobs().Validate(job, nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error validating job: %s", err))
return 1
}
if jr != nil && !jr.DriverConfigValidated {
c.Ui.Output(c.Colorize().Color("[bold][orange]Driver configuration not validated.[reset]"))
}
if jr != nil && len(jr.ValidationErrors) > 0 {
c.Ui.Output("Job Validation errors:")
for _, err := range jr.ValidationErrors {
c.Ui.Output(err)
}
return 1
}
// Done!
c.Ui.Output("Job validation successful")
return 0
}