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deployment_resume.go
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/
deployment_resume.go
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package command
import (
"fmt"
"strings"
"github.com/hashicorp/nomad/api/contexts"
"github.com/posener/complete"
)
type DeploymentResumeCommand struct {
Meta
}
func (c *DeploymentResumeCommand) Help() string {
helpText := `
Usage: nomad deployment resume [options] <deployment id>
Resume is used to unpause a paused deployment. Resuming a deployment will
resume the placement of new allocations as part of rolling deployment.
General Options:
` + generalOptionsUsage() + `
Resume Options:
-detach
Return immediately instead of entering monitor mode. After deployment
resume, the evaluation ID will be printed to the screen, which can be used
to examine the evaluation using the eval-status command.
-verbose
Display full information.
`
return strings.TrimSpace(helpText)
}
func (c *DeploymentResumeCommand) Synopsis() string {
return "Resume a paused deployment"
}
func (c *DeploymentResumeCommand) AutocompleteFlags() complete.Flags {
return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
complete.Flags{
"-detach": complete.PredictNothing,
"-verbose": complete.PredictNothing,
})
}
func (c *DeploymentResumeCommand) AutocompleteArgs() complete.Predictor {
return complete.PredictFunc(func(a complete.Args) []string {
client, err := c.Meta.Client()
if err != nil {
return nil
}
resp, _, err := client.Search().PrefixSearch(a.Last, contexts.Deployments, nil)
if err != nil {
return []string{}
}
return resp.Matches[contexts.Deployments]
})
}
func (c *DeploymentResumeCommand) Name() string { return "deployment resume" }
func (c *DeploymentResumeCommand) Run(args []string) int {
var detach, verbose bool
flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
flags.BoolVar(&detach, "detach", false, "")
flags.BoolVar(&verbose, "verbose", false, "")
if err := flags.Parse(args); err != nil {
return 1
}
// Check that we got exactly one argument
args = flags.Args()
if l := len(args); l != 1 {
c.Ui.Error("This command takes one argument: <deployment id>")
c.Ui.Error(commandErrorText(c))
return 1
}
dID := args[0]
// Truncate the id unless full length is requested
length := shortId
if verbose {
length = fullId
}
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// Do a prefix lookup
deploy, possible, err := getDeployment(client.Deployments(), dID)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error retrieving deployment: %s", err))
return 1
}
if len(possible) != 0 {
c.Ui.Error(fmt.Sprintf("Prefix matched multiple deployments\n\n%s", formatDeployments(possible, length)))
return 1
}
u, _, err := client.Deployments().Pause(deploy.ID, false, nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error resuming deployment: %s", err))
return 1
}
c.Ui.Output(fmt.Sprintf("Deployment %q resumed", deploy.ID))
evalCreated := u.EvalID != ""
// Nothing to do
if detach || !evalCreated {
return 0
}
c.Ui.Output("")
mon := newMonitor(c.Ui, client, length)
return mon.monitor(u.EvalID, false)
}