Alias: nomad run
The job run command is used to submit new jobs to Nomad or to update existing jobs. Job files must conform to the job specification format.
nomad job run [options] <job file>
The job run command requires a single argument, specifying the path to a file containing a valid job specification. This file will be read and the job will be submitted to Nomad for scheduling. If the supplied path is "-", the job file is read from STDIN. Otherwise it is read from the file at the supplied path or downloaded and read from URL specified. Nomad downloads the job file using go-getter and supports go-getter syntax.
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 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 exhaustion, etc), then the exit code will be 2. Any other errors, including deployment failures, client connection issues, or internal errors, are indicated by exit code 1.
If the job has specified the region, the -region flag and $NOMAD_REGION environment variable are overridden and the job's region is used.
When ACLs are enabled, this command requires a token with the submit-job capability for the job's namespace. Jobs that mount CSI volumes require a token with the csi-mount-volume capability for the volume's namespace. Jobs that mount host volumes require a token with the host_volume capability for that volume.
-check-index: If set, the job is only registered or updated if the passed job modify index matches the server side version. If a check-index value of zero is passed, the job is only registered if it does not yet exist. If a non-zero value is passed, it ensures that the job is being updated from a known state. The use of this flag is most common in conjunction with job plan command.
-detach: Return immediately instead of monitoring. A new evaluation ID will be output, which can be used to examine the evaluation using the eval status command.
-eval-priority: Override the priority of the evaluations produced as a result of this job submission. By default, this is set to the priority of the job.
-json: Parses the job file as JSON. If the outer object has a Job field, such as from "nomad job inspect" or "nomad run -output", the value of the field is used as the job. See JSON Jobs for details.
-hcl2-strict: Whether an error should be produced from the HCL2 parser where a variable has been supplied which is not defined within the root variables. Defaults to true.
-output: Output the JSON that would be submitted to the HTTP API without submitting the job.
-policy-override: Sets the flag to force override any soft mandatory Sentinel policies.
-preserve-counts: If set, the existing task group counts will be preserved when updating a job.
-consul-namespace: Enterprise Enterprise If set, any services in the job will be registered into the specified Consul namespace. Any template block reading from Consul KV will be scoped to the specified Consul namespace. Consul must be configured to authenticate using Nomad Workload Identities.
-vault-namespace: If set, the passed Vault namespace is stored in the job before sending to the Nomad servers.
-var=<key=value>: Variable for template, can be used multiple times.
-var-file=<path>: Path to HCL2 file containing user variables.
-verbose: Show full information.
-ui: Open the job page in the browser.
Schedule the job contained in the file example.nomad.hcl, monitoring placement and deployment:
$ nomad job run example.nomad.hcl
==> 2021-06-09T15:22:58-07:00: Monitoring evaluation "52dee78a"
2021-06-09T15:22:58-07:00: Evaluation triggered by job "example"
2021-06-09T15:22:58-07:00: Allocation "5e0b39f0" created: node "3e84d3d2", group "group1"
==> 2021-06-09T15:22:59-07:00: Monitoring evaluation "52dee78a"
2021-06-09T15:22:59-07:00: Evaluation within deployment: "62eb607c"
2021-06-09T15:22:59-07:00: Allocation "5e0b39f0" status changed: "pending" -> "running"
2021-06-09T15:22:59-07:00: Evaluation status changed: "pending" -> "complete"
==> 2021-06-09T15:22:59-07:00: Evaluation "52dee78a" finished with status "complete"
==> 2021-06-09T15:22:59-07:00: Monitoring deployment "62eb607c"
⠦ Deployment "62eb607c" in progress...
2021-06-09T15:22:59-07:00
ID = 62eb607c
Job ID = example
Job Version = 0
Status = running
Description = Deployment is running
Deployed
Task Group Desired Placed Healthy Unhealthy Progress Deadline
cache 2 2 1 0 2021-06-09T15:32:58-07:00
web 1 1 1 0 2021-06-09T15:32:58-07:00
Update the job using `check-index`:
$ nomad job run -check-index 5 example.nomad.hcl
Enforcing job modify index 5: job exists with conflicting job modify index: 6
Job not updated
$ nomad job run -check-index 6 example.nomad.hcl
==> 2021-06-09T16:57:29-07:00: Monitoring evaluation "5ef16dff"
2021-06-09T16:57:29-07:00: Evaluation triggered by job "example"
2021-06-09T16:57:29-07:00: Allocation "6ec7d16f" modified: node "6e1f9bf6", group "cache"
==> 2021-06-09T16:57:30-07:00: Monitoring evaluation "5ef16dff"
2021-06-09T16:57:30-07:00: Evaluation within deployment: "62eb607c"
2021-06-09T16:57:30-07:00: Evaluation status changed: "pending" -> "complete"
==> 2021-06-09T16:57:30-07:00: Evaluation "5ef16dff" finished with status "complete"
==> 2021-06-09T16:57:30-07:00: Monitoring deployment "62eb607c"
✓ Deployment "62eb607c" successful
2021-06-09T16:57:30-07:00
ID = 62eb607c
Job ID = example
Job Version = 2
Status = successful
Description = Deployment completed successfully
Deployed
Task Group Desired Placed Healthy Unhealthy Progress Deadline
cache 1 1 1 0 2021-06-09T17:07:00-07:00
Schedule the job contained in example.nomad.hcl and return immediately:
$ nomad job run -detach example.nomad.hcl
Job registration successful
Evaluation ID: e18819c1-b83d-dc17-5e7b-b6f264990283
Schedule a job which cannot be successfully placed. This results in a scheduling failure and the specifics of the placement are printed:
$ nomad job run failing.nomad.hcl
==> 2021-06-09T16:49:00-07:00: Monitoring evaluation "2ae0e6a5"
2021-06-09T16:49:00-07:00: Evaluation triggered by job "example"
==> 2021-06-09T16:49:01-07:00: Monitoring evaluation "2ae0e6a5"
2021-06-09T16:49:01-07:00: Evaluation within deployment: "db0c5e57"
2021-06-09T16:49:01-07:00: Evaluation status changed: "pending" -> "complete"
==> 2021-06-09T16:49:01-07:00: Evaluation "2ae0e6a5" finished with status "complete" but failed to place all allocations:
2021-06-09T16:49:01-07:00: Task Group "cache" (failed to place 1 allocation):
* Class "foo" filtered 1 nodes
* Constraint "${attr.kernel.name} = linux" filtered 1 nodes
2021-06-09T16:49:01-07:00: Evaluation "67493a64" waiting for additional capacity to place remainder
==> 2021-06-09T16:49:01-07:00: Monitoring deployment "db0c5e57"
⠧ Deployment "db0c5e57" in progress...
2021-06-09T16:49:03-07:00
ID = db0c5e57
Job ID = example
Job Version = 8
Status = running
Description = Deployment is running
Deployed
Task Group Desired Placed Healthy Unhealthy Progress Deadline
cache 1 0 0 0 N/A
Sample output when scheduling a system job, which doesn't create a deployment:
$ nomad job run example.nomad.hcl
==> 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"
-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 '*', subcommands which support this functionality 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.
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