BockerShell 实现的 Docker
Bocker 是一个用大约 100 行代码实现的 Docker。
依赖：
-
btrfs-progs
-
curl
-
iproute2
-
iptables
-
libcgroup-tools
-
util-linux >= 2.25.2
-
coreutils >= 7.5
基本使用方法：
$ bocker pull centos 7 ######################################################################## 100.0% ######################################################################## 100.0% ######################################################################## 100.0% Created: img_42150 $ bocker images IMAGE_ID SOURCE img_42150 centos:7 $ bocker run img_42150 cat /etc/centos-release CentOS Linux release 7.1.1503 (Core) $ bocker ps CONTAINER_ID COMMAND ps_42045 cat /etc/centos-release $ bocker logs ps_42045 CentOS Linux release 7.1.1503 (Core) $ bocker rm ps_42045 Removed: ps_42045 $ bocker run img_42150 which wget which: no wget in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin) $ bocker run img_42150 yum install -y wget Installing : wget-1.14-10.el7_0.1.x86_64 1/1 Verifying : wget-1.14-10.el7_0.1.x86_64 1/1 Installed : wget.x86_64 0:1.14-10.el7_0.1 Complete! $ bocker ps CONTAINER_ID COMMAND ps_42018 yum install -y wget ps_42182 which wget $ bocker commit ps_42018 img_42150 Removed: img_42150 Created: img_42150 $ bocker run img_42150 which wget /usr/bin/wget $ bocker run img_42150 cat /proc/1/cgroup ... 4:memory:/ps_42152 3:cpuacct,cpu:/ps_42152 $ cat /sys/fs/cgroup/cpu/ps_42152/cpu.shares 512 $ cat /sys/fs/cgroup/memory/ps_42152/memory.limit_in_bytes 512000000 $ BOCKER_CPU_SHARE=1024 \ BOCKER_MEM_LIMIT=1024 \ bocker run img_42150 cat /proc/1/cgroup ... 4:memory:/ps_42188 3:cpuacct,cpu:/ps_42188 $ cat /sys/fs/cgroup/cpu/ps_42188/cpu.shares 1024 $ cat /sys/fs/cgroup/memory/ps_42188/memory.limit_in_bytes 1024000000
当前实现的功能：
-
docker build† -
docker pull -
docker images -
docker ps -
docker run -
docker exec -
docker logs -
docker commit -
docker rm/docker rmi -
Networking
-
Quota Support / CGroups
评论