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moby--moby/pkg/libcontainer
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Michael Crosby d84feb8fe5 Refactor to remove cmd from container 
Pass the container's command via args
Remove execin function and just look for an
existing nspid file to join the namespace
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
2014-02-21 14:56:16 -08:00
..
capabilities Initial commit of libcontainer 2014-02-21 14:56:15 -08:00
network General cleanup of libcontainer 2014-02-21 14:56:16 -08:00
nsinit Refactor to remove cmd from container 2014-02-21 14:56:16 -08:00
utils Add dynamic veth name 2014-02-21 14:56:16 -08:00
container.go Refactor to remove cmd from container 2014-02-21 14:56:16 -08:00
container.json Refactor to remove cmd from container 2014-02-21 14:56:16 -08:00
MAINTAINERS Initial commit of libcontainer 2014-02-21 14:56:15 -08:00
privileged.json Initial commit of libcontainer 2014-02-21 14:56:15 -08:00
README.md Initial commit of libcontainer 2014-02-21 14:56:15 -08:00
types.go Refactor large funcs 2014-02-21 14:56:16 -08:00

README.md

libcontainer - reference implementation for containers

playground

Use the cli package to test out functionality

First setup a container configuration. You will need a root fs, better go the path to a stopped docker container and use that.

{
    "id": "koye",
    "namespace_pid": 12265,
    "command": {
        "args": [
            "/bin/bash"
        ],
        "environment": [
            "HOME=/",
            "PATH=PATH=$PATH:/bin:/usr/bin:/sbin:/usr/sbin",
            "container=docker",
            "TERM=xterm"
        ]
    },
    "rootfs": "/root/development/gocode/src/github.com/docker/libcontainer/namespaces/ubuntu",
    "network": null,
    "user": "",
    "working_dir": "",
    "namespaces": [
        "NEWNET",
        "NEWIPC",
        "NEWNS",
        "NEWPID",
        "NEWUTS"
    ],
    "capabilities": [
        "SETPCAP",
        "SYS_MODULE",
        "SYS_RAWIO",
        "SYS_PACCT",
        "SYS_ADMIN",
        "SYS_NICE",
        "SYS_RESOURCE",
        "SYS_TIME",
        "SYS_TTY_CONFIG",
        "MKNOD",
        "AUDIT_WRITE",
        "AUDIT_CONTROL",
        "MAC_OVERRIDE",
        "MAC_ADMIN"
    ]
}

After you have a json file and a rootfs path to use just run: ./cli exec container.json

If you want to attach to an existing namespace just use the same json file with the container still running and do: ./cli execin container.json