linux下json工具jq
1、查看json文件
[root@VM-1-10-11 f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b]# pwd
/data1/docker/containers/f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b
[root@VM-1-10-11 f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b]# ls
config.v2.json hostconfig.json hostname hosts resolv.conf resolv.conf.hash secrets shm
[root@VM-1-10-11 f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b]#
[root@VM-1-10-11 f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b]# cat config.v2.json
{"StreamConfig":{},"State":{"Running":true,"Paused":false,"Restarting":false,"OOMKilled":false,"RemovalInProgress":false,"Dead":false,"Pid":9173,"StartedAt":"2017-02-09T03:46:15.709079233Z","FinishedAt":"0001-01-01T00:00:00Z","Health":null},"ID":"f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b","Created":"2017-02-08T13:33:52.903241912Z","Managed":false,"Path":"/sbin/init","Args":[],"Config":{"Hostname":"shibing.zhao-162-200","Domainname":"","User":"","AttachStdin":true,"AttachStdout":true,"AttachStderr":true,"Tty":true,"OpenStdin":true,"StdinOnce":true,"Env":["IDC=beebank","CONTAINER_NAME=shibing.zhao_172.16.162.200"],"Cmd":["/sbin/init"],"Image":"migrate.i.beebank.com:5000/shibing.zhao_172.16.162.200","Volumes":null,"WorkingDir":"","Entrypoint":null,"OnBuild":null,"Labels":{}},"Image":"sha256:a2b61eaadc77aff698d7c9ebc1f0837ee0e5be1942f81b528f7a56e2e3ca257b","NetworkSettings":{"Bridge":"","SandboxID":"8fe25ef4a2a25902d1a56ad1a3a096d24e5955d4045fb4b34429c6575e570bb4","HairpinMode":false,"LinkLocalIPv6Address":"","LinkLocalIPv6PrefixLen":0,"Networks":{"none":{"IPAMConfig":null,"Links":null,"Aliases":null,"NetworkID":"f989ab193573c45f2d337e5752334afcb5b49d4b97efb2299743c4de3311d97a","EndpointID":"fc95bc1a8306daff737d1dbc135bd107b83226a5e01cdecb8b68b5c7f4dde249","Gateway":"","IPAddress":"","IPPrefixLen":0,"IPv6Gateway":"","GlobalIPv6Address":"","GlobalIPv6PrefixLen":0,"MacAddress":""}},"Service":null,"Ports":{},"SandboxKey":"/var/run/docker/netns/8fe25ef4a2a2","SecondaryIPAddresses":null,"SecondaryIPv6Addresses":null,"IsAnonymousEndpoint":false},"LogPath":"","Name":"/shibing.zhao_172.16.162.200","Driver":"devicemapper","MountLabel":"","ProcessLabel":"","RestartCount":0,"HasBeenStartedBefore":false,"HasBeenManuallyStopped":false,"MountPoints":{"/data2":{"Source":"/data1/docker_volume/shibing.zhao_172.16.162.200/data","Destination":"/data2","RW":true,"Name":"","Driver":"","Relabel":"","Propagation":"rprivate","Named":false,"ID":""},"/data3":{"Source":"/data1/docker_volume/user/shibing.zhao","Destination":"/data3","RW":true,"Name":"","Driver":"","Relabel":"","Propagation":"rprivate","Named":false,"ID":""},"/etc/hosts":{"Source":"/data1/docker_volume/shibing.zhao_172.16.162.200/hosts","Destination":"/etc/hosts","RW":true,"Name":"","Driver":"","Relabel":"","Propagation":"rprivate","Named":false,"ID":""},"/etc/mnt":{"Source":"/data1/docker_volume/shibing.zhao_172.16.162.200/config","Destination":"/etc/mnt","RW":false,"Name":"","Driver":"","Relabel":"ro","Propagation":"rprivate","Named":false,"ID":""},"/etc/pam_ldap.conf":{"Source":"/etc/pam_ldap.conf.beebank","Destination":"/etc/pam_ldap.conf","RW":false,"Name":"","Driver":"","Relabel":"ro","Propagation":"rprivate","Named":false,"ID":""},"/etc/resolv.conf":{"Source":"/etc/resolv.conf","Destination":"/etc/resolv.conf","RW":false,"Name":"","Driver":"","Relabel":"ro","Propagation":"rprivate","Named":false,"ID":""},"/etc/yum.repos.d/bee.repo":{"Source":"/data1/docker_volume/beebank.repo","Destination":"/etc/yum.repos.d/bee.repo","RW":false,"Name":"","Driver":"","Relabel":"ro","Propagation":"rprivate","Named":false,"ID":""}},"AppArmorProfile":"","HostnamePath":"/data1/docker/containers/f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b/hostname","HostsPath":"/data1/docker_volume/shibing.zhao_172.16.162.200/hosts","ShmPath":"/data1/docker/containers/f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b/shm","ResolvConfPath":"/etc/resolv.conf","SeccompProfile":"","NoNewPrivileges":false}
[root@VM-1-10-11 f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b]#
2、使用jq解析json文件内容
[root@VM-1-10-11 f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b]# cat config.v2.json |jq
{
"StreamConfig": {},
"State": {
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"RemovalInProgress": false,
"Dead": false,
"Pid": 9173,
"StartedAt": "2017-02-09T03:46:15.709079233Z",
"FinishedAt": "0001-01-01T00:00:00Z",
"Health": null
},
"ID": "f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b",
"Created": "2017-02-08T13:33:52.903241912Z",
"Managed": false,
"Path": "/sbin/init",
"Args": [],
"Config": {
"Hostname": "shibing.zhao-162-200",
"Domainname": "",
"User": "",
"AttachStdin": true,
"AttachStdout": true,
"AttachStderr": true,
"Tty": true,
"OpenStdin": true,
"StdinOnce": true,
"Env": [
"IDC=beebank",
"CONTAINER_NAME=shibing.zhao_172.16.162.200"
],
"Cmd": [
"/sbin/init"
],
"Image": "migrate.i.beebank.com:5000/shibing.zhao_172.16.162.200",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": null,
"Labels": {}
},
"Image": "sha256:a2b61eaadc77aff698d7c9ebc1f0837ee0e5be1942f81b528f7a56e2e3ca257b",
"NetworkSettings": {
"Bridge": "",
"SandboxID": "8fe25ef4a2a25902d1a56ad1a3a096d24e5955d4045fb4b34429c6575e570bb4",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Networks": {
"none": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "f989ab193573c45f2d337e5752334afcb5b49d4b97efb2299743c4de3311d97a",
"EndpointID": "fc95bc1a8306daff737d1dbc135bd107b83226a5e01cdecb8b68b5c7f4dde249",
"Gateway": "",
"IPAddress": "",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": ""
}
},
"Service": null,
"Ports": {},
"SandboxKey": "/var/run/docker/netns/8fe25ef4a2a2",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"IsAnonymousEndpoint": false
},
"LogPath": "",
"Name": "/shibing.zhao_172.16.162.200",
"Driver": "devicemapper",
"MountLabel": "",
"ProcessLabel": "",
"RestartCount": 0,
"HasBeenStartedBefore": false,
"HasBeenManuallyStopped": false,
"MountPoints": {
"/data2": {
"Source": "/data1/docker_volume/shibing.zhao_172.16.162.200/data",
"Destination": "/data2",
"RW": true,
"Name": "",
"Driver": "",
"Relabel": "",
"Propagation": "rprivate",
"Named": false,
"ID": ""
},
"/data3": {
"Source": "/data1/docker_volume/user/shibing.zhao",
"Destination": "/data3",
"RW": true,
"Name": "",
"Driver": "",
"Relabel": "",
"Propagation": "rprivate",
"Named": false,
"ID": ""
},
"/etc/hosts": {
"Source": "/data1/docker_volume/shibing.zhao_172.16.162.200/hosts",
"Destination": "/etc/hosts",
"RW": true,
"Name": "",
"Driver": "",
"Relabel": "",
"Propagation": "rprivate",
"Named": false,
"ID": ""
},
"/etc/mnt": {
"Source": "/data1/docker_volume/shibing.zhao_172.16.162.200/config",
"Destination": "/etc/mnt",
"RW": false,
"Name": "",
"Driver": "",
"Relabel": "ro",
"Propagation": "rprivate",
"Named": false,
"ID": ""
},
"/etc/pam_ldap.conf": {
"Source": "/etc/pam_ldap.conf.beebank",
"Destination": "/etc/pam_ldap.conf",
"RW": false,
"Name": "",
"Driver": "",
"Relabel": "ro",
"Propagation": "rprivate",
"Named": false,
"ID": ""
},
"/etc/resolv.conf": {
"Source": "/etc/resolv.conf",
"Destination": "/etc/resolv.conf",
"RW": false,
"Name": "",
"Driver": "",
"Relabel": "ro",
"Propagation": "rprivate",
"Named": false,
"ID": ""
},
"/etc/yum.repos.d/bee.repo": {
"Source": "/data1/docker_volume/beebank.repo",
"Destination": "/etc/yum.repos.d/bee.repo",
"RW": false,
"Name": "",
"Driver": "",
"Relabel": "ro",
"Propagation": "rprivate",
"Named": false,
"ID": ""
}
},
"AppArmorProfile": "",
"HostnamePath": "/data1/docker/containers/f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b/hostname",
"HostsPath": "/data1/docker_volume/shibing.zhao_172.16.162.200/hosts",
"ShmPath": "/data1/docker/containers/f46c19f56252a74a46fd30026001e62cc5ecadd04bc9a80c47f6fd5f9dc0586b/shm",
"ResolvConfPath": "/etc/resolv.conf",
"SeccompProfile": "",
"NoNewPrivileges": false
}
3、获取指定的key对应的value
[root@BASE-SERVER-1-10-10 81f7f11a8b03397d8153fdaf975a78157afee9b2279607132711e0234dbc5f3a]# cat config.v2.json |jq .State
{
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": true,
"RemovalInProgress": false,
"Dead": false,
"Pid": 114836,
"StartedAt": "2017-02-27T09:36:00.772375786Z",
"FinishedAt": "2017-02-27T09:35:41.564086153Z",
"Health": null
}
[root@BASE-SERVER-1-10-10 81f7f11a8b03397d8153fdaf975a78157afee9b2279607132711e0234dbc5f3a]# cat config.v2.json |jq .State.Running
true
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