docker中如何启动已存在容器
更新时间：2023年05月18日 11:07:17 作者：x县豆瓣酱
这篇文章主要介绍了docker中如何启动已存在容器问题，具有很好的参考价值，希望对大家有所帮助。如有错误或未考虑完全的地方，望不吝赐教
docker启动已存在容器
- 查看所有容器
docker ps -a
- 启动已存在容器
docker start 容器ID
docker查看容器启动命令（已运行的容器）
eg:
1 docker ps 查看正在运行的容器：
通过docker ps命令
该命令主要是为了详细展示查看运行时的command参数
docker ps -a --no-trunc | grep container_name # 通过docker --no-trunc参数来详细展示容器运行命令
通过docker inspect命令
使用docker inspect，但是docker inspect打印的是json文件，需要挑选字段查看，容器的参数信息都能从json文件中解析出来。
1，在容器外部，物理机上，可以用下面命令
docker inspect <container_name> # 可以是container_name或者container_id
eg:
[root@128 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
547880f43cf1 mysql:8.0.31 "docker-entrypoint.s…" 15 minutes ago Up 15 minutes 33060/tcp, 0.0.0.0:3301->3306/tcp, :::3301->3306/tcp mysql-8.0.31
e02f22dc442c mysql:5.7 "docker-entrypoint.s…" 25 hours ago Up 18 minutes 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp mysql
[root@128 ~]# docker ps -a --no-trunc | grep 547880f43cf1
547880f43cf176d2a826ae26f9f04bbe637ca56ec5d92df25a78d24ec23ed232 mysql:8.0.31 "docker-entrypoint.sh mysqld" 15 minutes ago Up 15 minutes 33060/tcp, 0.0.0.0:3301->3306/tcp, :::3301->3306/tcp mysql-8.0.31
[root@128 ~]# docker inspect 547880f43cf1
[
{
"Id": "547880f43cf176d2a826ae26f9f04bbe637ca56ec5d92df25a78d24ec23ed232",
"Created": "2022-12-07T10:13:46.80942044Z",
"Path": "docker-entrypoint.sh",
"Args": [
"mysqld"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 5469,
"ExitCode": 0,
"Error": "",
"StartedAt": "2022-12-07T10:13:47.159621124Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:a3a2968869cf080dbbd2adaac9e4075cc358b50a1451ff5e2b9ae90551a4735f",
"ResolvConfPath": "/var/lib/docker/containers/547880f43cf176d2a826ae26f9f04bbe637ca56ec5d92df25a78d24ec23ed232/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/547880f43cf176d2a826ae26f9f04bbe637ca56ec5d92df25a78d24ec23ed232/hostname",
"HostsPath": "/var/lib/docker/containers/547880f43cf176d2a826ae26f9f04bbe637ca56ec5d92df25a78d24ec23ed232/hosts",
"LogPath": "/var/lib/docker/containers/547880f43cf176d2a826ae26f9f04bbe637ca56ec5d92df25a78d24ec23ed232/547880f43cf176d2a826ae26f9f04bbe637ca56ec5d92df25a78d24ec23ed232-json.log",
"Name": "/mysql-8.0.31",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": [
"/mydata/mysql-8.0.31/log:/var/log/mysql",
"/mydata/mysql-8.0.31/data:/var/lib/mysql"
],
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {
"3306/tcp": [
{
"HostIp": "",
"HostPort": "3301"
}
]
},
"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/b4d5fed9eb97224cd6834e36509728032ceac386e863a483d7e2770f611eb8d1-init/diff:/var/lib/docker/overlay2/e6ce4810d05ed0bdca975287151d5edcb8f5b4e3472fba848ecbd0858a83c27d/diff:/var/lib/docker/overlay2/0bd4abf22bc8fd1840c48d50034d525576608654eac3696820bdecca885869e1/diff:/var/lib/docker/overlay2/aa9ffa3d8ca28910870afed61cbb7a8b5954b633b6c51ddec94b33f45fd7c69a/diff:/var/lib/docker/overlay2/7832e98417573f093c97491e70941e1a09e9a6e4e49b4407644cc367fdbeb37e/diff:/var/lib/docker/overlay2/74b73e21fc743a650a4064f4e771fd65aca511cf433aee93cc6eef2f3a91d787/diff:/var/lib/docker/overlay2/0df122c8a1629d74c09d97e489932b0812da34d28734118287934acbf3e8e985/diff:/var/lib/docker/overlay2/6f48c0c0c5bb4f2d96900b9eb4d20409a066a9bf3c104171e5dd33f28dbe6301/diff:/var/lib/docker/overlay2/37869951120d01076a5bc57e0c04c8f466a0b0b37e06357653b27b2fc9638a1d/diff:/var/lib/docker/overlay2/c2414c698ebdc9f0bacedf53387c75aa6cb000720ff019d989e4daa9d9c0929f/diff:/var/lib/docker/overlay2/099e69b07f239a7747f754a2598aec804655f5d6d7beb9ffb85932c490ec13d1/diff:/var/lib/docker/overlay2/9be3057383e74825462c49286ffa30853fb87f6d975ad40459e12972538ce21c/diff",
"MergedDir": "/var/lib/docker/overlay2/b4d5fed9eb97224cd6834e36509728032ceac386e863a483d7e2770f611eb8d1/merged",
"UpperDir": "/var/lib/docker/overlay2/b4d5fed9eb97224cd6834e36509728032ceac386e863a483d7e2770f611eb8d1/diff",
"WorkDir": "/var/lib/docker/overlay2/b4d5fed9eb97224cd6834e36509728032ceac386e863a483d7e2770f611eb8d1/work"
},
"Name": "overlay2"
},
"Mounts": [
{
"Type": "bind",
"Source": "/mydata/mysql-8.0.31/log",
"Destination": "/var/log/mysql",
"Mode": "",
"RW": true,
"Propagation": "rprivate"
},
{
"Type": "bind",
"Source": "/mydata/mysql-8.0.31/data",
"Destination": "/var/lib/mysql",
"Mode": "",
"RW": true,
"Propagation": "rprivate"
}
],
"Config": {
"Hostname": "547880f43cf1",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"3306/tcp": {},
"33060/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"MYSQL_ROOT_PASSWORD=123456",
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"GOSU_VERSION=1.14",
"MYSQL_MAJOR=8.0",
"MYSQL_VERSION=8.0.31-1.el8",
"MYSQL_SHELL_VERSION=8.0.31-1.el8"
],
"Cmd": [
"mysqld"
],
"Image": "mysql:8.0.31",
"Volumes": {
"/var/lib/mysql": {}
},
"WorkingDir": "",
"Entrypoint": [
"docker-entrypoint.sh"
],
"OnBuild": null,
"Labels": {}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "f82246141707b2ab4578ce193cdf42b9dd82fef9d8ca805c4b07b6af90867ffc",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"3306/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "3301"
},
{
"HostIp": "::",
"HostPort": "3301"
}
],
"33060/tcp": null
},
"SandboxKey": "/var/run/docker/netns/f82246141707",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "386a6348d0fd2e9119e7d427ed2df21bf03f4a88c485b50cf142d6c0b0f08f83",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:02",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "65f89f72b915b6ae63526860f40f2e701bfcc1c689301d757230f7a522379d35",
"EndpointID": "386a6348d0fd2e9119e7d427ed2df21bf03f4a88c485b50cf142d6c0b0f08f83",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:02",
"DriverOpts": null
}
}
}
}
]如上所示，这个是我这547880f43cf1 容器的详细信息
然后可以定制化输出上面的信息：显示上面内容的某一部分信息
docker inspect --format='{{.NetworkSettings.Networks.bridge.IPAddress}}' <container_name> # format是go语言的template，还有其他的用法
docker inspect --format='{{.Mounts}}' <container_name>
docker inspect --format='{{.HostConfig.Binds}}' <container_name>
docker inspect --format='{{.HostConfig.PortBindings}}' <container_name>eg: 还可以将上面的修改为别的内容，我这边关注file和port两个
[root@128 ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
547880f43cf1 mysql:8.0.31 "docker-entrypoint.s…" 18 minutes ago Up 18 minutes 33060/tcp, 0.0.0.0:3301->3306/tcp, :::3301->3306/tcp mysql-8.0.31
e02f22dc442c mysql:5.7 "docker-entrypoint.s…" 25 hours ago Up 22 minutes 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp mysql
[root@128 ~]# docker inspect --format='{{.Mounts}}' 547880f43cf1
[{bind /mydata/mysql-8.0.31/log /var/log/mysql true rprivate} {bind /mydata/mysql-8.0.31/data /var/lib/mysql true rprivate}]
[root@128 ~]# docker inspect --format='{{.NetworkSettings.Networks.bridge.IPAddress}}' 547880f43cf1
172.17.0.2
[root@128 ~]# docker inspect --format='{{.HostConfig.Binds}}' 547880f43cf1
[/mydata/mysql-8.0.31/log:/var/log/mysql /mydata/mysql-8.0.31/data:/var/lib/mysql]
[root@128 ~]# docker inspect --format='{{.HostConfig.PortBindings}}' 547880f43cf1
map[3306/tcp:[{ 3301}]]
[root@128 ~]#
总结
以上为个人经验，希望能给大家一个参考，也希望大家多多支持脚本之家。
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