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This commit is contained in:
Peter Wilmott 2015-07-27 17:51:08 +01:00
parent 7c85abd1b4
commit d5b38393c2
1 changed files with 5 additions and 4 deletions
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@ -33,7 +33,7 @@ for ps in "$btrfs_path"/ps_*; do
echo -e "$ps\t\t$(cat "$btrfs_path/$ps/$ps.cmd")"
done
}
function bocker_run() { #HELP Create a container:\nBOCKER run <image_id> <command
function bocker_run() { #HELP Create a container:\nBOCKER run <image_id> <command>
uuid="ps_$(shuf -i 42002-42254 -n 1)"
[[ "$(bocker_check "$1")" == 1 ]] && echo "No image named '$1' exists" && exit 1
[[ "$(bocker_check "$uuid")" == 0 ]] && echo "UUID conflict, retrying..." && bocker_run "$@" && return
@ -51,15 +51,16 @@ ip netns exec netns_"$uuid" ip route add default via 10.0.0.1
btrfs subvolume snapshot "$btrfs_path/$1" "$btrfs_path/$uuid" > /dev/null
echo 'nameserver 8.8.8.8' > "$btrfs_path/$uuid"/etc/resolv.conf
echo "$cmd" > "$btrfs_path/$uuid/$uuid.cmd"
ip netns exec netns_"$uuid" "unshare" -fp --mount-proc "chroot" \
ip netns exec netns_"$uuid" "unshare" -fmuip --mount-proc "chroot" \
"$btrfs_path/$uuid" /bin/sh -c "/bin/mount -t proc proc /proc && $cmd" \
2>&1 | tee "$btrfs_path/$uuid/$uuid.log" || true
ip link del dev veth0_"$uuid"
ip netns del netns_"$uuid"
}
function bocker_exec() { #HELP Run bash (default) or comnmands in a container:\nBOCKER exec <container_id> <command
function bocker_exec() { #HELP Execute a command in an existing container:\nBOCKER exec <container_id> <command>
[[ "$(bocker_check "$1")" == 1 ]] && echo "No container named '$1' exists" && exit 1
cmd=${@:2} && CID=$(ps xao ppid,pid,cmd | grep $(ps -u | grep unshare | grep "$1" | awk '{ print $2 }') | grep -v unshare | awk '{ print $2 }') && nsenter --target $CID --mount --uts --ipc --net --pid chroot "$btrfs_path/$1" $cmd
cmd=${@:2} && cid=$(ps xao ppid,pid,cmd | grep "$(ps -u | grep unshare | grep "$1" | awk '{ print $2 }')" | grep -v unshare | awk '{ print $2 }')
nsenter -t "$cid" -muinp chroot "$btrfs_path/$1" "$cmd"
}
function bocker_logs() { #HELP View logs from a container:\nBOCKER logs <container_id>
[[ "$(bocker_check "$1")" == 1 ]] && echo "No container named '$1' exists" && exit 1