docker学习-数据卷挂载方式

在docker学习中,学习到了数据卷这块,知道了挂载方式分为三种,分别是:匿名挂载,具名挂载,指定路径挂载

实现挂载之后会将你设定的两个路径分别绑定,任何一个下面有变动都会同步

指定路径挂载

docker run -it -v /服务器路径:/容器内路径   centos:7 /bin/bash

具体例子

[root@localhost ~]# docker run -it -v /home/test:/home/test  --name="centos04" centos:7 /bin/bash
[root@f613054c92f6 /]# cd /home/test/
[root@f613054c92f6 test]# ll
total 0
[root@f613054c92f6 test]# touch test.py
[root@f613054c92f6 test]# exit
exit
[root@localhost ~]# cd /home/t
test/ txt/
[root@localhost ~]# cd /home/test/
[root@localhost test]# ll
总用量 0
-rw-r--r--. 1 root root 0 4月  29 18:01 test.py

 

匿名挂载

docker run -it -v /容器内路径   centos:7 /bin/bash 

具体列子

[root@localhost test]# docker run -it -v /home/test  --name="centos05" centos:7 /bin/bash
[root@localhost test]# docker ps -a
CONTAINER ID   IMAGE      COMMAND       CREATED          STATUS                      PORTS     NAMES
c3d7861b02a3   centos:7   "/bin/bash"   4 minutes ago    Exited (0) 4 minutes ago              centos05
f613054c92f6   centos:7   "/bin/bash"   7 minutes ago    Up 2 minutes                          centos04
065cb91304a9   centos:7   "/bin/bash"   40 minutes ago   Exited (0) 10 minutes ago             centos03
b203533606bb   centos:7   "/bin/bash"   46 minutes ago   Up 43 minutes                         centos02
[root@localhost test]# docker inspect c3d7861b02a3
[
    {
        "Id": "c3d7861b02a3f680d5249234ca19b4599e0d545bd81bb4fbbee3c39ed95fb779",
        "Created": "2021-04-29T10:04:21.506482594Z",
        "Path": "/bin/bash",
        "Args": [],
        "State": {
            "Status": "exited",
            "Running": false,
            "Paused": false,
            "Restarting": false,
            "OOMKilled": false,
            "Dead": false,
            "Pid": 0,
            "ExitCode": 0,
            "Error": "",
            "StartedAt": "2021-04-29T10:04:21.851035392Z",
            "FinishedAt": "2021-04-29T10:04:21.850103974Z"
        },
        "Image": "sha256:8652b9f0cb4c0599575e5a003f5906876e10c1ceb2ab9fe1786712dac14a50cf",
        "ResolvConfPath": "/var/lib/docker/containers/c3d7861b02a3f680d5249234ca19b4599e0d545bd81bb4fbbee3c39ed95fb779/resolv.conf",
        "HostnamePath": "/var/lib/docker/containers/c3d7861b02a3f680d5249234ca19b4599e0d545bd81bb4fbbee3c39ed95fb779/hostname",
        "HostsPath": "/var/lib/docker/containers/c3d7861b02a3f680d5249234ca19b4599e0d545bd81bb4fbbee3c39ed95fb779/hosts",
        "LogPath": "/var/lib/docker/containers/c3d7861b02a3f680d5249234ca19b4599e0d545bd81bb4fbbee3c39ed95fb779/c3d7861b02a3f680d5249234ca19b4599e0d545bd81bb4fbbee3c39ed95fb779-json.log",
        "Name": "/centos05",
        "RestartCount": 0,
        "Driver": "overlay2",
        "Platform": "linux",
        "MountLabel": "",
        "ProcessLabel": "",
        "AppArmorProfile": "",
        "ExecIDs": null,
        "HostConfig": {
            "Binds": null,
            "ContainerIDFile": "",
            "LogConfig": {
                "Type": "json-file",
                "Config": {}
            },
            "NetworkMode": "default",
            "PortBindings": {},
            "RestartPolicy": {
                "Name": "no",
                "MaximumRetryCount": 0
            },
            "AutoRemove": false,
            "VolumeDriver": "",
            "VolumesFrom": null,
            "CapAdd": null,
            "CapDrop": null,
            "CgroupnsMode": "host",
            "Dns": [],
            "DnsOptions": [],
            "DnsSearch": [],
            "ExtraHosts": null,
            "GroupAdd": null,
            "IpcMode": "private",
            "Cgroup": "",
            "Links": null,
            "OomScoreAdj": 0,
            "PidMode": "",
            "Privileged": false,
            "PublishAllPorts": false,
            "ReadonlyRootfs": false,
            "SecurityOpt": null,
            "UTSMode": "",
            "UsernsMode": "",
            "ShmSize": 67108864,
            "Runtime": "runc",
            "ConsoleSize": [
                0,
                0
            ],
            "Isolation": "",
            "CpuShares": 0,
            "Memory": 0,
            "NanoCpus": 0,
            "CgroupParent": "",
            "BlkioWeight": 0,
            "BlkioWeightDevice": [],
            "BlkioDeviceReadBps": null,
            "BlkioDeviceWriteBps": null,
            "BlkioDeviceReadIOps": null,
            "BlkioDeviceWriteIOps": null,
            "CpuPeriod": 0,
            "CpuQuota": 0,
            "CpuRealtimePeriod": 0,
            "CpuRealtimeRuntime": 0,
            "CpusetCpus": "",
            "CpusetMems": "",
            "Devices": [],
            "DeviceCgroupRules": null,
            "DeviceRequests": null,
            "KernelMemory": 0,
            "KernelMemoryTCP": 0,
            "MemoryReservation": 0,
            "MemorySwap": 0,
            "MemorySwappiness": null,
            "OomKillDisable": false,
            "PidsLimit": null,
            "Ulimits": null,
            "CpuCount": 0,
            "CpuPercent": 0,
            "IOMaximumIOps": 0,
            "IOMaximumBandwidth": 0,
            "MaskedPaths": [
                "/proc/asound",
                "/proc/acpi",
                "/proc/kcore",
                "/proc/keys",
                "/proc/latency_stats",
                "/proc/timer_list",
                "/proc/timer_stats",
                "/proc/sched_debug",
                "/proc/scsi",
                "/sys/firmware"
            ],
            "ReadonlyPaths": [
                "/proc/bus",
                "/proc/fs",
                "/proc/irq",
                "/proc/sys",
                "/proc/sysrq-trigger"
            ]
        },
        "GraphDriver": {
            "Data": {
                "LowerDir": "/var/lib/docker/overlay2/7fbff5c8dc47d7cb935388b108082cd9662db2dca8d264530fe4ded9ae56317e-init/diff:/var/lib/docker/overlay2/37354dc5163006f2077c3b174f100154a36017fb45ab7b921a4c6d2f49251e89/diff",
                "MergedDir": "/var/lib/docker/overlay2/7fbff5c8dc47d7cb935388b108082cd9662db2dca8d264530fe4ded9ae56317e/merged",
                "UpperDir": "/var/lib/docker/overlay2/7fbff5c8dc47d7cb935388b108082cd9662db2dca8d264530fe4ded9ae56317e/diff",
                "WorkDir": "/var/lib/docker/overlay2/7fbff5c8dc47d7cb935388b108082cd9662db2dca8d264530fe4ded9ae56317e/work"
            },
            "Name": "overlay2"
        },
        "Mounts": [
            {
                "Type": "volume",
                "Name": "a38b94e2dc0d8192782fbb16888a1c18462d5f74a36ada631169006ba9b3e277",
                "Source": "/var/lib/docker/volumes/a38b94e2dc0d8192782fbb16888a1c18462d5f74a36ada631169006ba9b3e277/_data",    # 挂载的服务器的地址
                "Destination": "/home/test",    # 挂载的容器地址
                "Driver": "local",
                "Mode": "",
                "RW": true,
                "Propagation": ""
            }
        ],
        "Config": {
            "Hostname": "c3d7861b02a3",
            "Domainname": "",
            "User": "",
            "AttachStdin": false,
            "AttachStdout": false,
            "AttachStderr": false,
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/bash"
            ],
            "Image": "centos:7",
            "Volumes": {
                "/home/test": {}
            },
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {
                "org.label-schema.build-date": "20201113",
                "org.label-schema.license": "GPLv2",
                "org.label-schema.name": "CentOS Base Image",
                "org.label-schema.schema-version": "1.0",
                "org.label-schema.vendor": "CentOS",
                "org.opencontainers.image.created": "2020-11-13 00:00:00+00:00",
                "org.opencontainers.image.licenses": "GPL-2.0-only",
                "org.opencontainers.image.title": "CentOS Base Image",
                "org.opencontainers.image.vendor": "CentOS"
            }
        },
        "NetworkSettings": {
            "Bridge": "",
            "SandboxID": "55fc030b756625f2cd2337a78b547480854f80e2d09e666c9a7105f2a2fbad70",
            "HairpinMode": false,
            "LinkLocalIPv6Address": "",
            "LinkLocalIPv6PrefixLen": 0,
            "Ports": {},
            "SandboxKey": "/var/run/docker/netns/55fc030b7566",
            "SecondaryIPAddresses": null,
            "SecondaryIPv6Addresses": null,
            "EndpointID": "",
            "Gateway": "",
            "GlobalIPv6Address": "",
            "GlobalIPv6PrefixLen": 0,
            "IPAddress": "",
            "IPPrefixLen": 0,
            "IPv6Gateway": "",
            "MacAddress": "",
            "Networks": {
                "bridge": {
                    "IPAMConfig": null,
                    "Links": null,
                    "Aliases": null,
                    "NetworkID": "136ad104ebba32aa0e5a6a0303ffbdaee9c485b0f6773601bc3de551dfd27de3",
                    "EndpointID": "",
                    "Gateway": "",
                    "IPAddress": "",
                    "IPPrefixLen": 0,
                    "IPv6Gateway": "",
                    "GlobalIPv6Address": "",
                    "GlobalIPv6PrefixLen": 0,
                    "MacAddress": "",
                    "DriverOpts": null
                }
            }
        }
    }
]

 

具名挂载

docker run -it -v 卷名:/容器内路径   centos:7 /bin/bash 

具体例子(或者直接使用:docker inspect 卷名来查看路径)

[root@localhost test]# docker run -it -v test:/home/test  --name="centos06" centos:7 /bin/bash
[root@afff5dbc7d58 /]# exit
[root@localhost test]# docker ps -a
CONTAINER ID   IMAGE      COMMAND       CREATED              STATUS                          PORTS     NAMES
afff5dbc7d58   centos:7   "/bin/bash"   About a minute ago   Exited (0) About a minute ago             centos06
c3d7861b02a3   centos:7   "/bin/bash"   10 minutes ago       Exited (0) 10 minutes ago                 centos05
f613054c92f6   centos:7   "/bin/bash"   13 minutes ago       Up 8 minutes                              centos04
065cb91304a9   centos:7   "/bin/bash"   45 minutes ago       Exited (0) 16 minutes ago                 centos03
b203533606bb   centos:7   "/bin/bash"   51 minutes ago       Up 49 minutes                             centos02
[root@localhost test]# docker inspect afff5dbc7d58
[
    {
        "Id": "afff5dbc7d58a251a559c7299eb9dd943612f0e5e803e41ac2b0564cf3c9317f",
        "Created": "2021-04-29T10:13:40.855076144Z",
        "Path": "/bin/bash",
        "Args": [],
        "State": {
            "Status": "exited",
            "Running": false,
            "Paused": false,
            "Restarting": false,
            "OOMKilled": false,
            "Dead": false,
            "Pid": 0,
            "ExitCode": 0,
            "Error": "",
            "StartedAt": "2021-04-29T10:13:41.851901079Z",
            "FinishedAt": "2021-04-29T10:13:45.028580786Z"
        },
        "Image": "sha256:8652b9f0cb4c0599575e5a003f5906876e10c1ceb2ab9fe1786712dac14a50cf",
        "ResolvConfPath": "/var/lib/docker/containers/afff5dbc7d58a251a559c7299eb9dd943612f0e5e803e41ac2b0564cf3c9317f/resolv.conf",
        "HostnamePath": "/var/lib/docker/containers/afff5dbc7d58a251a559c7299eb9dd943612f0e5e803e41ac2b0564cf3c9317f/hostname",
        "HostsPath": "/var/lib/docker/containers/afff5dbc7d58a251a559c7299eb9dd943612f0e5e803e41ac2b0564cf3c9317f/hosts",
        "LogPath": "/var/lib/docker/containers/afff5dbc7d58a251a559c7299eb9dd943612f0e5e803e41ac2b0564cf3c9317f/afff5dbc7d58a251a559c7299eb9dd943612f0e5e803e41ac2b0564cf3c9317f-json.log",
        "Name": "/centos06",
        "RestartCount": 0,
        "Driver": "overlay2",
        "Platform": "linux",
        "MountLabel": "",
        "ProcessLabel": "",
        "AppArmorProfile": "",
        "ExecIDs": null,
        "HostConfig": {
            "Binds": [
                "test:/home/test"
            ],
            "ContainerIDFile": "",
            "LogConfig": {
                "Type": "json-file",
                "Config": {}
            },
            "NetworkMode": "default",
            "PortBindings": {},
            "RestartPolicy": {
                "Name": "no",
                "MaximumRetryCount": 0
            },
            "AutoRemove": false,
            "VolumeDriver": "",
            "VolumesFrom": null,
            "CapAdd": null,
            "CapDrop": null,
            "CgroupnsMode": "host",
            "Dns": [],
            "DnsOptions": [],
            "DnsSearch": [],
            "ExtraHosts": null,
            "GroupAdd": null,
            "IpcMode": "private",
            "Cgroup": "",
            "Links": null,
            "OomScoreAdj": 0,
            "PidMode": "",
            "Privileged": false,
            "PublishAllPorts": false,
            "ReadonlyRootfs": false,
            "SecurityOpt": null,
            "UTSMode": "",
            "UsernsMode": "",
            "ShmSize": 67108864,
            "Runtime": "runc",
            "ConsoleSize": [
                0,
                0
            ],
            "Isolation": "",
            "CpuShares": 0,
            "Memory": 0,
            "NanoCpus": 0,
            "CgroupParent": "",
            "BlkioWeight": 0,
            "BlkioWeightDevice": [],
            "BlkioDeviceReadBps": null,
            "BlkioDeviceWriteBps": null,
            "BlkioDeviceReadIOps": null,
            "BlkioDeviceWriteIOps": null,
            "CpuPeriod": 0,
            "CpuQuota": 0,
            "CpuRealtimePeriod": 0,
            "CpuRealtimeRuntime": 0,
            "CpusetCpus": "",
            "CpusetMems": "",
            "Devices": [],
            "DeviceCgroupRules": null,
            "DeviceRequests": null,
            "KernelMemory": 0,
            "KernelMemoryTCP": 0,
            "MemoryReservation": 0,
            "MemorySwap": 0,
            "MemorySwappiness": null,
            "OomKillDisable": false,
            "PidsLimit": null,
            "Ulimits": null,
            "CpuCount": 0,
            "CpuPercent": 0,
            "IOMaximumIOps": 0,
            "IOMaximumBandwidth": 0,
            "MaskedPaths": [
                "/proc/asound",
                "/proc/acpi",
                "/proc/kcore",
                "/proc/keys",
                "/proc/latency_stats",
                "/proc/timer_list",
                "/proc/timer_stats",
                "/proc/sched_debug",
                "/proc/scsi",
                "/sys/firmware"
            ],
            "ReadonlyPaths": [
                "/proc/bus",
                "/proc/fs",
                "/proc/irq",
                "/proc/sys",
                "/proc/sysrq-trigger"
            ]
        },
        "GraphDriver": {
            "Data": {
                "LowerDir": "/var/lib/docker/overlay2/068810a461fc9420a9bd523198eaff25c5c673ac94261b947ee5e6a4dac2b548-init/diff:/var/lib/docker/overlay2/37354dc5163006f2077c3b174f100154a36017fb45ab7b921a4c6d2f49251e89/diff",
                "MergedDir": "/var/lib/docker/overlay2/068810a461fc9420a9bd523198eaff25c5c673ac94261b947ee5e6a4dac2b548/merged",
                "UpperDir": "/var/lib/docker/overlay2/068810a461fc9420a9bd523198eaff25c5c673ac94261b947ee5e6a4dac2b548/diff",
                "WorkDir": "/var/lib/docker/overlay2/068810a461fc9420a9bd523198eaff25c5c673ac94261b947ee5e6a4dac2b548/work"
            },
            "Name": "overlay2"
        },
        "Mounts": [
            {
                "Type": "volume",
                "Name": "test",
                "Source": "/var/lib/docker/volumes/test/_data",
                "Destination": "/home/test",
                "Driver": "local",
                "Mode": "z",
                "RW": true,
                "Propagation": ""
            }
        ],
        "Config": {
            "Hostname": "afff5dbc7d58",
            "Domainname": "",
            "User": "",
            "AttachStdin": true,
            "AttachStdout": true,
            "AttachStderr": true,
            "Tty": true,
            "OpenStdin": true,
            "StdinOnce": true,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/bash"
            ],
            "Image": "centos:7",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {
                "org.label-schema.build-date": "20201113",
                "org.label-schema.license": "GPLv2",
                "org.label-schema.name": "CentOS Base Image",
                "org.label-schema.schema-version": "1.0",
                "org.label-schema.vendor": "CentOS",
                "org.opencontainers.image.created": "2020-11-13 00:00:00+00:00",
                "org.opencontainers.image.licenses": "GPL-2.0-only",
                "org.opencontainers.image.title": "CentOS Base Image",
                "org.opencontainers.image.vendor": "CentOS"
            }
        },
        "NetworkSettings": {
            "Bridge": "",
            "SandboxID": "4d5e0a5cf4164c3e70b5bd074ce6a881a7e084c9652cf4cb80ce84775e84dc78",
            "HairpinMode": false,
            "LinkLocalIPv6Address": "",
            "LinkLocalIPv6PrefixLen": 0,
            "Ports": {},
            "SandboxKey": "/var/run/docker/netns/4d5e0a5cf416",
            "SecondaryIPAddresses": null,
            "SecondaryIPv6Addresses": null,
            "EndpointID": "",
            "Gateway": "",
            "GlobalIPv6Address": "",
            "GlobalIPv6PrefixLen": 0,
            "IPAddress": "",
            "IPPrefixLen": 0,
            "IPv6Gateway": "",
            "MacAddress": "",
            "Networks": {
                "bridge": {
                    "IPAMConfig": null,
                    "Links": null,
                    "Aliases": null,
                    "NetworkID": "136ad104ebba32aa0e5a6a0303ffbdaee9c485b0f6773601bc3de551dfd27de3",
                    "EndpointID": "",
                    "Gateway": "",
                    "IPAddress": "",
                    "IPPrefixLen": 0,
                    "IPv6Gateway": "",
                    "GlobalIPv6Address": "",
                    "GlobalIPv6PrefixLen": 0,
                    "MacAddress": "",
                    "DriverOpts": null
                }
            }
        }
    }
]
[root@localhost test]#

 

posted @ 2021-04-29 18:19  大渝  阅读(228)  评论(0编辑  收藏  举报