127 lines
3.0 KiB
Go
127 lines
3.0 KiB
Go
package command
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import (
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"fmt"
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"strings"
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multierror "github.com/hashicorp/go-multierror"
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"github.com/hashicorp/nomad/api"
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"github.com/hashicorp/nomad/command/agent"
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)
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type ValidateCommand struct {
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Meta
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JobGetter
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}
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func (c *ValidateCommand) Help() string {
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helpText := `
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Usage: nomad validate [options] <path>
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Checks if a given HCL job file has a valid specification. This can be used to
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check for any syntax errors or validation problems with a job.
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If the supplied path is "-", the jobfile is read from stdin. Otherwise
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it is read from the file at the supplied path or downloaded and
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read from URL specified.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *ValidateCommand) Synopsis() string {
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return "Checks if a given job specification is valid"
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}
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func (c *ValidateCommand) Run(args []string) int {
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flags := c.Meta.FlagSet("validate", FlagSetNone)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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if err := flags.Parse(args); err != nil {
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return 1
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}
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// Check that we got exactly one node
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args = flags.Args()
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if len(args) != 1 {
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c.Ui.Error(c.Help())
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return 1
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}
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// Get Job struct from Jobfile
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job, err := c.JobGetter.ApiJob(args[0])
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error getting job struct: %s", err))
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return 1
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}
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// Get the HTTP client
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client, err := c.Meta.Client()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 255
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}
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// Force the region to be that of the job.
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if r := job.Region; r != nil {
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client.SetRegion(*r)
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}
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// Check that the job is valid
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jr, _, err := client.Jobs().Validate(job, nil)
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if err != nil {
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jr, err = c.validateLocal(job)
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}
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error validating job: %s", err))
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return 1
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}
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if jr != nil && !jr.DriverConfigValidated {
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c.Ui.Output(
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c.Colorize().Color("[bold][yellow]Driver configuration not validated since connection to Nomad agent couldn't be established.[reset]\n"))
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}
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if jr != nil && jr.Error != "" {
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c.Ui.Error(
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c.Colorize().Color("[bold][red]Job validation errors:[reset]"))
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c.Ui.Error(jr.Error)
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return 1
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}
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// Print any warnings if there are any
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if jr.Warnings != "" {
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c.Ui.Output(
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c.Colorize().Color(fmt.Sprintf("[bold][yellow]Job Warnings:\n%s[reset]\n", jr.Warnings)))
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}
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// Done!
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c.Ui.Output(
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c.Colorize().Color("[bold][green]Job validation successful[reset]"))
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return 0
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}
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// validateLocal validates without talking to a Nomad agent
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func (c *ValidateCommand) validateLocal(aj *api.Job) (*api.JobValidateResponse, error) {
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var out api.JobValidateResponse
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job := agent.ApiJobToStructJob(aj)
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job.Canonicalize()
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if vErr := job.Validate(); vErr != nil {
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if merr, ok := vErr.(*multierror.Error); ok {
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for _, err := range merr.Errors {
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out.ValidationErrors = append(out.ValidationErrors, err.Error())
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}
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out.Error = merr.Error()
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} else {
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out.ValidationErrors = append(out.ValidationErrors, vErr.Error())
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out.Error = vErr.Error()
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}
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}
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if warnings := job.Warnings(); warnings != nil {
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out.Warnings = warnings.Error()
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}
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return &out, nil
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}
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