# node inspect Display detailed information on one or more nodes ### Options | Name | Type | Default | Description | |:---------------------------------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [`-f`](#format), [`--format`](#format) | `string` | | Format output using a custom template:
'json': Print in JSON format
'TEMPLATE': Print output using the given Go template.
Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates | | `--pretty` | `bool` | | Print the information in a human friendly format | ## 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" } } ] ``` ### 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)