# node inspect

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Display detailed information on one or more nodes

### Options

| Name                                   | Type     | Default | Description                                                                                                                                                                                                                                                        |
|:---------------------------------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [`-f`](#format), [`--format`](#format) | `string` |         | Format output using a custom template:<br>'json':             Print in JSON format<br>'TEMPLATE':         Print output using the given Go template.<br>Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates |
| `--pretty`                             |          |         | Print the information in a human friendly format                                                                                                                                                                                                                   |


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## Description

Returns information about a node. By default, this command renders all results
in a JSON array. You can specify an alternate format to execute a
given template for each result. Go's
[text/template](https://pkg.go.dev/text/template) package describes all the
details of the format.

> **Note**
>
> This is a cluster management command, and must be executed on a swarm
> manager node. To learn about managers and workers, refer to the
> [Swarm mode section](https://docs.docker.com/engine/swarm/) in the
> documentation.

## Examples

### Inspect a node

```console
$ docker node inspect swarm-manager
```

```json
[
  {
    "ID": "e216jshn25ckzbvmwlnh5jr3g",
    "Version": {
      "Index": 10
    },
    "CreatedAt": "2017-05-16T22:52:44.9910662Z",
    "UpdatedAt": "2017-05-16T22:52:45.230878043Z",
    "Spec": {
      "Role": "manager",
      "Availability": "active"
    },
    "Description": {
      "Hostname": "swarm-manager",
      "Platform": {
        "Architecture": "x86_64",
        "OS": "linux"
      },
      "Resources": {
        "NanoCPUs": 1000000000,
        "MemoryBytes": 1039843328
      },
      "Engine": {
        "EngineVersion": "17.06.0-ce",
        "Plugins": [
          {
            "Type": "Volume",
            "Name": "local"
          },
          {
            "Type": "Network",
            "Name": "overlay"
          },
          {
            "Type": "Network",
            "Name": "null"
          },
          {
            "Type": "Network",
            "Name": "host"
          },
          {
            "Type": "Network",
            "Name": "bridge"
          },
          {
            "Type": "Network",
            "Name": "overlay"
          }
        ]
      },
      "TLSInfo": {
        "TrustRoot": "-----BEGIN CERTIFICATE-----\nMIIBazCCARCgAwIBAgIUOzgqU4tA2q5Yv1HnkzhSIwGyIBswCgYIKoZIzj0EAwIw\nEzERMA8GA1UEAxMIc3dhcm0tY2EwHhcNMTcwNTAyMDAyNDAwWhcNMzcwNDI3MDAy\nNDAwWjATMREwDwYDVQQDEwhzd2FybS1jYTBZMBMGByqGSM49AgEGCCqGSM49AwEH\nA0IABMbiAmET+HZyve35ujrnL2kOLBEQhFDZ5MhxAuYs96n796sFlfxTxC1lM/2g\nAh8DI34pm3JmHgZxeBPKUURJHKWjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMB\nAf8EBTADAQH/MB0GA1UdDgQWBBS3sjTJOcXdkls6WSY2rTx1KIJueTAKBggqhkjO\nPQQDAgNJADBGAiEAoeVWkaXgSUAucQmZ3Yhmx22N/cq1EPBgYHOBZmHt0NkCIQC3\nzONcJ/+WA21OXtb+vcijpUOXtNjyHfcox0N8wsLDqQ==\n-----END CERTIFICATE-----\n",
        "CertIssuerSubject": "MBMxETAPBgNVBAMTCHN3YXJtLWNh",
        "CertIssuerPublicKey": "MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAExuICYRP4dnK97fm6OucvaQ4sERCEUNnkyHEC5iz3qfv3qwWV/FPELWUz/aACHwMjfimbcmYeBnF4E8pRREkcpQ=="
      }
    },
    "Status": {
      "State": "ready",
      "Addr": "168.0.32.137"
    },
    "ManagerStatus": {
      "Leader": true,
      "Reachability": "reachable",
      "Addr": "168.0.32.137:2377"
    }
  }
]
```

### <a name="format"></a> Format the output (--format)

```console
$ docker node inspect --format '{{ .ManagerStatus.Leader }}' self

false
```

Use `--format=pretty` or the `--pretty` shorthand to pretty-print the output:

```console
$ docker node inspect --format=pretty self

ID:                     e216jshn25ckzbvmwlnh5jr3g
Hostname:               swarm-manager
Joined at:              2017-05-16 22:52:44.9910662 +0000 utc
Status:
 State:                 Ready
 Availability:          Active
 Address:               172.17.0.2
Manager Status:
 Address:               172.17.0.2:2377
 Raft Status:           Reachable
 Leader:                Yes
Platform:
 Operating System:      linux
 Architecture:          x86_64
Resources:
 CPUs:                  4
 Memory:                7.704 GiB
Plugins:
  Network:              overlay, bridge, null, host, overlay
  Volume:               local
Engine Version:         17.06.0-ce
TLS Info:
 TrustRoot:
-----BEGIN CERTIFICATE-----
MIIBazCCARCgAwIBAgIUOzgqU4tA2q5Yv1HnkzhSIwGyIBswCgYIKoZIzj0EAwIw
EzERMA8GA1UEAxMIc3dhcm0tY2EwHhcNMTcwNTAyMDAyNDAwWhcNMzcwNDI3MDAy
NDAwWjATMREwDwYDVQQDEwhzd2FybS1jYTBZMBMGByqGSM49AgEGCCqGSM49AwEH
A0IABMbiAmET+HZyve35ujrnL2kOLBEQhFDZ5MhxAuYs96n796sFlfxTxC1lM/2g
Ah8DI34pm3JmHgZxeBPKUURJHKWjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMB
Af8EBTADAQH/MB0GA1UdDgQWBBS3sjTJOcXdkls6WSY2rTx1KIJueTAKBggqhkjO
PQQDAgNJADBGAiEAoeVWkaXgSUAucQmZ3Yhmx22N/cq1EPBgYHOBZmHt0NkCIQC3
zONcJ/+WA21OXtb+vcijpUOXtNjyHfcox0N8wsLDqQ==
-----END CERTIFICATE-----

 Issuer Public Key: MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAExuICYRP4dnK97fm6OucvaQ4sERCEUNnkyHEC5iz3qfv3qwWV/FPELWUz/aACHwMjfimbcmYeBnF4E8pRREkcpQ==
 Issuer Subject:    MBMxETAPBgNVBAMTCHN3YXJtLWNh
```

## Related commands

* [node demote](node_demote.md)
* [node ls](node_ls.md)
* [node promote](node_promote.md)
* [node ps](node_ps.md)
* [node rm](node_rm.md)
* [node update](node_update.md)
