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»Command: eval status

The eval status command is used to display information about an existing evaluation. In the case an evaluation could not place all the requested allocations, this command can be used to determine the failure reasons.

Optionally, it can also be invoked in a monitor mode to track an outstanding evaluation. In this mode, logs will be output describing state changes to the evaluation or its associated allocations. The monitor will exit when the evaluation reaches a terminal state.

»Usage

nomad eval status [options] <evaluation>
nomad eval status [options] <evaluation>

An evaluation ID or prefix must be provided. If there is an exact match, the the status will be shown. Otherwise, a list of matching evaluations and information will be displayed.

If the -monitor flag is passed, an interactive monitoring session will be started in the terminal. It is safe to exit the monitor at any time using ctrl+c. The command will exit when the given evaluation reaches a terminal state (completed or failed). Exit code 0 is returned on successful evaluation, and if there are no scheduling problems. If there are job placement issues encountered (unsatisfiable constraints, resource exhaustion, etc), then the exit code will be 2. Any other errors, including client connection issues or internal errors, are indicated by exit code 1.

»General Options

  • -address=<addr>: The address of the Nomad server. Overrides the NOMAD_ADDR environment variable if set. Defaults to http://127.0.0.1:4646.

  • -region=<region>: The region of the Nomad server to forward commands to. Overrides the NOMAD_REGION environment variable if set. Defaults to the Agent's local region.

  • -namespace=<namespace>: The target namespace for queries and actions bound to a namespace. Overrides the NOMAD_NAMESPACE environment variable if set. If set to '*', job and alloc subcommands query all namespaces authorized to user. Defaults to the "default" namespace.

  • -no-color: Disables colored command output. Alternatively, NOMAD_CLI_NO_COLOR may be set. This option takes precedence over -force-color.

  • -force-color: Forces colored command output. This can be used in cases where the usual terminal detection fails. Alternatively, NOMAD_CLI_FORCE_COLOR may be set. This option has no effect if -no-color is also used.

  • -ca-cert=<path>: Path to a PEM encoded CA cert file to use to verify the Nomad server SSL certificate. Overrides the NOMAD_CACERT environment variable if set.

  • -ca-path=<path>: Path to a directory of PEM encoded CA cert files to verify the Nomad server SSL certificate. If both -ca-cert and -ca-path are specified, -ca-cert is used. Overrides the NOMAD_CAPATH environment variable if set.

  • -client-cert=<path>: Path to a PEM encoded client certificate for TLS authentication to the Nomad server. Must also specify -client-key. Overrides the NOMAD_CLIENT_CERT environment variable if set.

  • -client-key=<path>: Path to an unencrypted PEM encoded private key matching the client certificate from -client-cert. Overrides the NOMAD_CLIENT_KEY environment variable if set.

  • -tls-server-name=<value>: The server name to use as the SNI host when connecting via TLS. Overrides the NOMAD_TLS_SERVER_NAME environment variable if set.

  • -tls-skip-verify: Do not verify TLS certificate. This is highly not recommended. Verification will also be skipped if NOMAD_SKIP_VERIFY is set.

  • -token: The SecretID of an ACL token to use to authenticate API requests with. Overrides the NOMAD_TOKEN environment variable if set.

»Eval Status Options

  • -monitor: Monitor an outstanding evaluation
  • -verbose: Show full information.
  • -json : Output a list of all evaluations in JSON format. This behavior is deprecated and has been replaced by nomad eval list -json. In Nomad 1.4.0 the behavior of this option will change to output only the selected evaluation in JSON.
  • -t : Format and display evaluation using a Go template.

»Examples

Show the status of an evaluation that has placement failures

$ nomad eval status 2ae0e6a5
ID                 = 2ae0e6a5
Status             = complete
Status Description = complete
Type               = service
TriggeredBy        = job-register
Job ID             = example
Priority           = 50
Placement Failures = true

==> Failed Placements
Task Group "cache" (failed to place 1 allocation):
  * Class "foo" filtered 1 nodes
  * Constraint "${attr.kernel.name} = windows" filtered 1 nodes


Evaluation "67493a64" waiting for additional capacity to place remainder
$ nomad eval status 2ae0e6a5
ID                 = 2ae0e6a5
Status             = complete
Status Description = complete
Type               = service
TriggeredBy        = job-register
Job ID             = example
Priority           = 50
Placement Failures = true

==> Failed Placements
Task Group "cache" (failed to place 1 allocation):
  * Class "foo" filtered 1 nodes
  * Constraint "${attr.kernel.name} = windows" filtered 1 nodes


Evaluation "67493a64" waiting for additional capacity to place remainder

Monitor an existing evaluation

$ nomad eval status -monitor 8262bc83
==> Monitoring evaluation "8262bc83"
    Allocation "bd6bd0de" created: node "6f299da5", group "group1"
    Evaluation status changed: "pending" -> "complete"
==> Evaluation "8262bc83" finished with status "complete"
$ nomad eval status -monitor 8262bc83
==> Monitoring evaluation "8262bc83"
    Allocation "bd6bd0de" created: node "6f299da5", group "group1"
    Evaluation status changed: "pending" -> "complete"
==> Evaluation "8262bc83" finished with status "complete"
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