./qsrdocker -h
NAME:
qsrdocker - qsrdocker is a simple container runtime implementation.
USAGE:
qsrdocker is a simple container runtime implementation.
VERSION:
1.2.1
COMMANDS:
run Create a container with namespace and cgroup
commit commit a container into image
ps List all the container
logs Print logs of a container
exec Exec a command into container
inspect Print info of a container
stop Stop a container
rm Remove unused one or more containers
start Start one or more stopped containers
image qsrdocker image COMMAND
network qsrdocker network COMMAND
help, h Shows a list of commands or help for one command
GLOBAL OPTIONS:
--help, -h show help
--version, -v print the version
./qsrdocker run -h
NAME:
qsrdocker run - Create a container with namespace and cgroup
USAGE:
qsrdocker run [command options] imageName [command]
OPTIONS:
--it, --ti Enable tty and Keep STDIN open even if not attached
-d Detach container
-m value Set Memory limit
--cpushare value Set cpushare limit
--cpuset value Set cpuset limit
--cpumem value Set cpumem node limit in NUMA mode，Usually no restrictions
--name value Container name
--oom_kill_disable value oom_kill_disable, 1: disable 0:able (default 0)
-v value Set volume mount
-e value Set environment
-n value Set container network id (default: "qsrdocker0")
--netdriver value Set container network driver, like bridge, host, none, container (default: "bridge")
--container value Set container ID/Name with container driver network (default: "qsrdocker0")
-p value Set port mapping
# test
./qsrdocker run -d -cpuset 0 -m 100m -name heroyf -p 110:80 nginx:v1
3lsx66n203
./qsrdocker commit -h
NAME:
qsrdocker commit - commit a container into image
USAGE:
qsrdocker commit containerName imageName
./qsrdocker ps -h
NAME:
qsrdocker ps - List all the container
USAGE:
qsrdocker ps [command options]
OPTIONS:
-a Show all containers (default shows just running)
# test
./qsrdocker ps -a
CONTAINER ID IMAGE NAME PID STATUS COMMAND UP TIME CREATED
3lsx66n203 nginx:v1 heroyf 2733 Running nginx Up 157 Days 2020-03-14 19:03:51
./qsrdocker exec -h
NAME:
qsrdocker exec - Exec a command into container
USAGE:
qsrdocker exec [command options] containerName [command]
OPTIONS:
--it, --ti Enable tty and Keep STDIN open even if not attached
# test
./qsrdocker exec -it 3lsx66n203 /bin/sh
/ # ifconfig
bridge-3lsx6 Link encap:Ethernet HWaddr 2A:DF:30:32:54:C1
inet addr:172.20.0.2 Bcast:172.20.0.255 Mask:255.255.255.0
inet6 addr: fe80::28df:30ff:fe32:54c1/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:11697 errors:0 dropped:0 overruns:0 frame:0
TX packets:13811 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:761870 (744.0 KiB) TX bytes:1068106 (1.0 MiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
/ # exit
./qsrdocker logs -h
NAME:
qsrdocker logs - Print logs of a container
USAGE:
qsrdocker logs [command options] containerName
OPTIONS:
-f, --follow Follow log output
-t value, --tail value Show from the end of the logs (default "all") (default: 0)
./qsrdocker inspect 3lsx66n203
{
"ID": "3lsx66n203",
"Name": "heroyf",
"CreateTime": "2020-03-14 19:03:51",
"Status": {
"Pid": 2733,
"Status": "Running",
"Running": true,
"Paused": false,
"OOMKilled": false,
"Dead": false,
"StartTime": "2020-03-14 19:03:51"
},
"Driver": "overlay2",
"GraphDriver": {
"Driver": "overlay2",
"Data": {
"LowerDir": "/var/qsrdocker/image/CG3Y24MV89:/var/qsrdocker/image/0GACZ82691:/var/qsrdocker/image/QY18CR632Q:/var/qsrdocker/image/WVLZ001ON7:/var/qsrdocker/image/FS3259SD89S32DSF74",
"MergedDir": "/var/qsrdocker/overlay2/3lsx66n203/merged",
"UpperDir": "/var/qsrdocker/overlay2/3lsx66n203/diff",
"WorkDir": "/var/qsrdocker/overlay2/3lsx66n203/work"
}
},
"Mount": [
{
"Type": "bind",
"Source": "/var/qsrdocker/container/3lsx66n203/hosts",
"Destination": "/etc/hosts",
"RW": true
},
{
"Type": "bind",
"Source": "/var/qsrdocker/container/3lsx66n203/hostname",
"Destination": "/etc/hostname",
"RW": true
},
{
"Type": "bind",
"Source": "/var/qsrdocker/container/3lsx66n203/resolv.conf",
"Destination": "/etc/resolv.conf",
"RW": true
}
],
"Cgroup": {
"Path": "3lsx66n203",
"Resource": {
"MemoryLimit": "100m",
"CPUShare": "",
"CPUSet": "0",
"CPUMem": "",
"OOMKillDisable": "1"
}
},
"Tty": false,
"Image": "nginx:v1",
"Path": "nginx",
"Args": [],
"Env": [
"author=qsr",
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
" master process nginx"
],
"NetWorkConfig": {
"EndPointID": "3lsx66n203-qsrdocker0",
"Dev": {
"Index": 8,
"MTU": 0,
"TxQLen": -1,
"Name": "qsrveth3lsx6",
"HardwareAddr": null,
"Flags": 0,
"RawFlags": 0,
"ParentIndex": 0,
"MasterIndex": 4,
"Namespace": null,
"Alias": "",
"Statistics": null,
"Promisc": 0,
"Xdp": null,
"EncapType": "",
"Protinfo": null,
"OperState": 0,
"NetNsID": 0,
"NumTxQueues": 0,
"NumRxQueues": 0,
"GSOMaxSize": 0,
"GSOMaxSegs": 0,
"Vfs": null,
"Group": 0,
"Slave": null,
"PeerName": "bridge-3lsx6",
"PeerHardwareAddr": null
},
"VethName": "qsrveth3lsx6",
"IPAddress": "172.20.0.2",
"MACAddress": "",
"NetWork": {
"NETWORK ID": "qsrdocker0",
"IP Range": "172.20.0.1/24",
"GateWay IP": "172.20.0.1",
"NetDriver": "Bridge"
},
"Ports": {
"80/tcp": [
{
"HostIP": "0.0.0.0",
"HostPort": "110"
}
]
}
}
}
./qsrdocker stop -h
NAME:
qsrdocker stop - Stop a container
USAGE:
qsrdocker stop [command options] containerName
OPTIONS:
-t value Seconds to wait for stop before killing it (default: 0)
# test
./qsrdocker stop 3lsx66n203
./qsrdocker ps
CONTAINER ID IMAGE NAME PID STATUS COMMAND UP TIME CREATED
./qsrdocker ps -a
CONTAINER ID IMAGE NAME PID STATUS COMMAND UP TIME CREATED
3lsx66n203 nginx:v1 heroyf -1 Paused nginx NULL 2020-03-14 19:03:51
./qsrdocker start -h
NAME:
qsrdocker start - Start one or more stopped containers
USAGE:
qsrdocker start containerName...
# test
./qsrdocker start 3lsx66n203
3lsx66n203
./qsrdocker ps
CONTAINER ID IMAGE NAME PID STATUS COMMAND UP TIME CREATED
3lsx66n203 nginx:v1 heroyf 7228 Running nginx Up 4 Seconds 2020-03-14 19:03:51
./qsrdocker image -h
NAME:
qsrdocker image - qsrdocker image COMMAND
USAGE:
qsrdocker image command [command options] [arguments...]
COMMANDS:
ls List images
OPTIONS:
--help, -h show help
# test
./qsrdocker image ls
IMAGE NAME TAG IMAGE ID SIZE CREATE TIME
alpine last FS3259SD89S32DSF74 5.33 MB 2019-12-26 23:09:25
busybox last 3824655 430.08 MB 2019-12-25 21:31:24
nginx last CG3Y24MV89 99.34 MB 2020-03-14 19:03:51
nginx v1 CG3Y24MV89 99.34 MB 2020-03-14 19:03:51
qsrimage v11 WVLZ001ON7 5.33 MB 2020-01-05 21:38:55
qsrimage v12 QY18CR632Q 5.33 MB 2020-01-05 22:59:06
./qsrdocker network -h
NAME:
qsrdocker network - qsrdocker network COMMAND
USAGE:
qsrdocker network command [command options] [arguments...]
COMMANDS:
ls List networks
create create a container network
remove Remove Network
OPTIONS:
--help, -h show help
# test
./qsrdocker network ls
NETWORK ID GateWay IP IP Range Driver
qsrdocker0 172.20.0.1 172.20.0.1/24 Bridge
# test
ifconfig | grep qsr
qsrdocker0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
qsrveth3lsx6: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
# test
iptables -S -t nat | grep qsr
-A POSTROUTING -s 172.20.0.0/24 ! -o qsrdocker0 -j MASQUERADE
-A QSRDOCKER -i qsrdocker0 -j RETURN
-A QSRDOCKER ! -i qsrdocker0 -p tcp -m tcp --dport 110 -j DNAT --to-destination 172.20.0.2:80
./qsrdocker rm -h
NAME:
qsrdocker rm - Remove unused one or more containers
USAGE:
qsrdocker rm [command options] containerName...
OPTIONS:
-f Force the removal of a running container (uses SIGKILL)
-v Remove the volumes associated with the container