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cli: check deployment exists before monitoring #10757

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Jun 14, 2021
Merged

cli: check deployment exists before monitoring #10757

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327c102
cli: check deployment exists before monitoring
isabeldepapel Jun 14, 2021
c245156
Update command/monitor.go
isabeldepapel Jun 14, 2021
bd60552
Fix formatting
isabeldepapel Jun 14, 2021
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4 changes: 2 additions & 2 deletions command/deployment_status.go
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Original file line number Diff line number Diff line change
Expand Up @@ -231,10 +231,10 @@ UPDATE:
for {
deploy, meta, err := client.Deployments().Info(deployID, &q)
if err != nil {
d.Append(glint.Style(
d.Append(glint.Layout(glint.Style(
glint.Text(fmt.Sprintf("%s: Error fetching deployment", formatTime(time.Now()))),
glint.Color("red"),
))
)).MarginLeft(4))
d.RenderFrame()
return
}
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26 changes: 14 additions & 12 deletions command/monitor.go
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Expand Up @@ -285,21 +285,23 @@ func (m *monitor) monitor(evalID string) int {
break
}

// Monitor the deployment
// Monitor the deployment if it exists
dID := m.state.deployment
m.ui.Info(fmt.Sprintf("%s: Monitoring deployment %q", formatTime(time.Now()), limit(dID, m.length)))
if len(dID) > 0 {
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m.ui.Info(fmt.Sprintf("%s: Monitoring deployment %q", formatTime(time.Now()), limit(dID, m.length)))

var verbose bool
if m.length == fullId {
verbose = true
} else {
verbose = false
}
var verbose bool
if m.length == fullId {
verbose = true
} else {
verbose = false
}

meta := new(Meta)
meta.Ui = m.ui
cmd := &DeploymentStatusCommand{Meta: *meta}
cmd.monitor(m.client, dID, 0, verbose)
meta := new(Meta)
meta.Ui = m.ui
cmd := &DeploymentStatusCommand{Meta: *meta}
cmd.monitor(m.client, dID, 0, verbose)
}

// Treat scheduling failures specially using a dedicated exit code.
// This makes it easier to detect failures from the CLI.
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19 changes: 17 additions & 2 deletions website/content/docs/commands/job/run.mdx
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Expand Up @@ -27,8 +27,9 @@ downloaded and read from URL specified. Nomad downloads the job file using

By default, on successful job submission the run command will enter an
interactive monitor and display log information detailing the scheduling
decisions, placement information, and [deployment status] for the provided job.
The monitor will exit after scheduling and deployment have finished or failed.
decisions, placement information, and [deployment status] for the provided job
if applicable ([`batch`] and [`system`] jobs don't create deployments). The monitor will
exit after scheduling and deployment have finished or failed.

On successful job submission and scheduling, exit code 0 will be returned. If
there are job placement issues encountered (unsatisfiable constraints, resource
Expand Down Expand Up @@ -204,8 +205,22 @@ $ nomad job run failing.nomad
cache 1 0 0 0 N/A
```

Sample output when scheduling a system job, which doesn't create a deployment:

```shell-session
$ nomad job run example.nomad
==> 2021-06-14T09:25:08-07:00: Monitoring evaluation "88a91284"
2021-06-14T09:25:08-07:00: Evaluation triggered by job "example"
2021-06-14T09:25:08-07:00: Allocation "03501797" created: node "7849439f", group "cache"
==> 2021-06-14T09:25:09-07:00: Monitoring evaluation "88a91284"
2021-06-14T09:25:09-07:00: Evaluation status changed: "pending" -> "complete"
==> 2021-06-14T09:25:09-07:00: Evaluation "88a91284" finished with status "complete"
```

[`go-getter`]: https://github.com/hashicorp/go-getter
[deployment status]: /docs/commands/deployment#status
[`batch`]: /docs/schedulers#batch
[`system`]: /docs/schedulers#system
[`job plan` command]: /docs/commands/job/plan
[eval status]: /docs/commands/eval-status
[job specification]: /docs/job-specification
Expand Down