docker node inspect
| 描述 | 显示一个或多个节点的详细信息 |
|---|---|
| 用法 | docker node inspect [OPTIONS] self|NODE [NODE...] |
Swarm 此命令适用于 Swarm 编排器。
描述
返回有关节点的信息。默认情况下，此命令以 JSON 数组形式呈现所有结果。您可以指定备用格式来为每个结果执行给定的模板。Go 的 text/template 包描述了格式的所有细节。
注意
这是一个集群管理命令，必须在 Swarm 管理节点上执行。要了解管理器和工作节点，请参阅文档中的Swarm 模式部分。
选项
| 选项 | 默认值 | 描述 |
|---|---|---|
-f, --format | 使用自定义模板格式化输出 'json'：以 JSON 格式打印 'TEMPLATE'：使用给定的 Go 模板打印输出。 有关使用模板格式化输出的更多信息，请参阅https://docs.docker.net.cn/go/formatting/。 | |
--pretty | 以用户友好的格式打印信息 |
示例
检查节点
$ docker node inspect swarm-manager
[
{
"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"
}
}
]格式化输出（--format）
$ docker node inspect --format '{{ .ManagerStatus.Leader }}' self
false
使用--format=pretty或--pretty简写来美化打印输出
$ 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