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Now with cgroup support

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This commit is contained in:
Chris F Ravenscroft 2015-07-26 17:05:06 -07:00
parent d4b9247f14
commit c64c575abb
1 changed files with 6 additions and 5 deletions
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bocker
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@ -1,6 +1,6 @@
#!/usr/bin/env bash
set -o errexit -o nounset -o pipefail; shopt -s nullglob
btrfs_path='/var/bocker';
btrfs_path='/var/bocker'; cgroups='cpu,cpuacct,cpuset,memory'; $(cgget -h &> /dev/null) && CGX="cgexec -g $cgroups" || CGX='_='
function bocker_check() {
btrfs subvolume list "$btrfs_path" | grep -qw "$1" && echo 0 || echo 1
}
@ -18,6 +18,7 @@ fi
function bocker_rm() { #HELP Delete an image or container:\nBOCKER rm <image_id or container_id>
[[ "$(bocker_check "$1")" == 1 ]] && echo "No container named '$1' exists" && exit 1
btrfs subvolume delete "$btrfs_path/$1" > /dev/null
cgdelete -g $cgroups:/$1 &> /dev/null || true
echo "Removed: $1"
}
function bocker_images() { #HELP List images:\nBOCKER images
@ -28,9 +29,8 @@ done
}
function bocker_ps() { #HELP List containers:\nBOCKER ps
echo -e "CONTAINER_ID\t\tCOMMAND"
for ps in "$btrfs_path"/ps_*; do
ps=$(basename "$ps")
echo -e "$ps\t\t$(cat "$btrfs_path/$ps/$ps.cmd")"
for ps in $(ls -dtr "$btrfs_path"/ps_*); do
bps=${ps##/*/}; echo -e "$bps\t\t$(cat "$btrfs_path/$bps/$bps.cmd")"
done
}
function bocker_run() { #HELP Create a container:\nBOCKER run <image_id> <command
@ -51,7 +51,8 @@ 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" \
cgcreate -g $cgroups:/$uuid && cgset -r cpuset.cpus=0-$(($(grep vendor_id /proc/cpuinfo | wc -l)-1)) $uuid && cgset -r cpuset.mems=0 $uuid &> /dev/null || true
$CGX:$uuid ip netns exec netns_"$uuid" "unshare" -fp --mount-proc "chroot" \
"$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"