Modify the import of bash file
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@ -1,46 +1,45 @@
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# Some useful commands to use docker.
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# Author: yeasy@github
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# Created:2014-09-25
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alias docker-pid="sudo docker inspect --format '{{.State.Pid}}'"
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alias docker-ip="sudo docker inspect --format '{{ .NetworkSettings.IPAddress }}'"
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#the implementation refs from https://github.com/jpetazzo/nsenter/blob/master/docker-enter
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function docker-enter() {
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if [ -e $(dirname "$0")/nsenter ]; then
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# with boot2docker, nsenter is not in the PATH but it is in the same folder
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NSENTER=$(dirname "$0")/nsenter
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else
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NSENTER=nsenter
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fi
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[ -z "$NSENTER" ] && echo "WARN Cannot find nsenter" && return
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if [ -z "$1" ]; then
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echo "Usage: `basename "$0"` CONTAINER [COMMAND [ARG]...]"
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echo ""
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echo "Enters the Docker CONTAINER and executes the specified COMMAND."
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echo "If COMMAND is not specified, runs an interactive shell in CONTAINER."
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else
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PID=$(sudo docker inspect --format "{{.State.Pid}}" "$1")
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if [ -z "$PID" ]; then
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echo "WARN Cannot find the given container"
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return
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fi
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shift
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OPTS="--target $PID --mount --uts --ipc --net --pid"
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if [ -z "$1" ]; then
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# No command given.
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# Use su to clear all host environment variables except for TERM,
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# initialize the environment variables HOME, SHELL, USER, LOGNAME, PATH,
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# and start a login shell.
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#sudo $NSENTER "$OPTS" su - root
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sudo $NSENTER --target $PID --mount --uts --ipc --net --pid su - root
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else
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# Use env to clear all host environment variables.
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sudo $NSENTER --target $PID --mount --uts --ipc --net --pid env -i $@
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fi
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fi
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}
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# Some useful commands to use docker.
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# Author: yeasy@github
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# Created:2014-09-25
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alias docker-pid="sudo docker inspect --format '{{.State.Pid}}'"
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alias docker-ip="sudo docker inspect --format '{{ .NetworkSettings.IPAddress }}'"
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#the implementation refs from https://github.com/jpetazzo/nsenter/blob/master/docker-enter
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function docker-enter() {
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if [ -e $(dirname "$0")/nsenter ]; then
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# with boot2docker, nsenter is not in the PATH but it is in the same folder
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NSENTER=$(dirname "$0")/nsenter
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else
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NSENTER=nsenter
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fi
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[ -z "$NSENTER" ] && echo "WARN Cannot find nsenter" && return
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if [ -z "$1" ]; then
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echo "Usage: `basename "$0"` CONTAINER [COMMAND [ARG]...]"
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echo ""
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echo "Enters the Docker CONTAINER and executes the specified COMMAND."
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echo "If COMMAND is not specified, runs an interactive shell in CONTAINER."
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else
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PID=$(sudo docker inspect --format "{{.State.Pid}}" "$1")
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if [ -z "$PID" ]; then
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echo "WARN Cannot find the given container"
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return
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fi
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shift
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OPTS="--target $PID --mount --uts --ipc --net --pid"
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if [ -z "$1" ]; then
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# No command given.
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# Use su to clear all host environment variables except for TERM,
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# initialize the environment variables HOME, SHELL, USER, LOGNAME, PATH,
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# and start a login shell.
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#sudo $NSENTER "$OPTS" su - root
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sudo $NSENTER --target $PID --mount --uts --ipc --net --pid su - root
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else
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# Use env to clear all host environment variables.
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sudo $NSENTER --target $PID --mount --uts --ipc --net --pid env -i $@
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fi
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fi
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}
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@ -57,7 +57,7 @@ root@243c32535da7:/#
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[.bashrc_docker](https://github.com/yeasy/docker_practice/raw/master/_local/.bashrc_docker),并将内容放到.bashrc中。
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```
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$ wget -P ~ https://github.com/yeasy/docker_practice/raw/master/_local/.bashrc_docker;
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$ echo "[ -f ~/.bashrc_docker ] && . .bashrc_docker" >> ~/.bashrc; source ~/.bashrc
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$ echo "[ -f ~/.bashrc_docker ] && . ~/.bashrc_docker" >> ~/.bashrc; source ~/.bashrc
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```
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这个文件中定义了很多方便使用Docker的命令,例如`docker-pid`可以获取某个容器的PID;而`docker-enter`可以进入容器或直接在容器内执行命令。
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```
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