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Merge pull request #13803 from justinsb/aws_aufs_one_volume

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k8s-merge-robot 2015-09-11 14:00:52 -07:00
commit a4932454ac
1 changed files with 31 additions and 25 deletions
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56
cluster/aws/templates/format-disks.sh
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@ -118,45 +118,51 @@ else
# This is the best option, but it is sadly broken on most distros
# Bug: https://github.com/docker/docker/issues/4036
# 95% goes to the docker thin-pool
lvcreate -l 95%VG --thinpool docker-thinpool vg-ephemeral
# 80% goes to the docker thin-pool; we want to leave some space for host-volumes
lvcreate -l 80%VG --thinpool docker-thinpool vg-ephemeral
DOCKER_OPTS="${DOCKER_OPTS} --storage-opt dm.thinpooldev=/dev/mapper/vg--ephemeral-docker--thinpool"
# Note that we don't move docker; docker goes direct to the thinpool
else
# Remaining space (20%) is for kubernetes data
# TODO: Should this be a thin pool? e.g. would we ever want to snapshot this data?
lvcreate -l 100%FREE -n kubernetes vg-ephemeral
mkfs -t ext4 /dev/vg-ephemeral/kubernetes
mkdir -p /mnt/ephemeral/kubernetes
echo "/dev/vg-ephemeral/kubernetes /mnt/ephemeral/kubernetes ext4 noatime 0 0" >> /etc/fstab
mount /mnt/ephemeral/kubernetes
move_kubelet="/mnt/ephemeral/kubernetes"
else
# aufs
# Create a docker lv, use docker on it
# 95% goes to the docker thin-pool
# We used to split docker & kubernetes, but we no longer do that, because
# host volumes go into the kubernetes area, and it is otherwise very easy
# to fill up small volumes.
release=`lsb_release -c -s`
if [[ "${release}" != "wheezy" ]] ; then
lvcreate -l 95%VG --thinpool docker-thinpool vg-ephemeral
lvcreate -l 100%FREE --thinpool pool-ephemeral vg-ephemeral
THINPOOL_SIZE=$(lvs vg-ephemeral/docker-thinpool -o LV_SIZE --noheadings --units M --nosuffix)
lvcreate -V${THINPOOL_SIZE}M -T vg-ephemeral/docker-thinpool -n docker
THINPOOL_SIZE=$(lvs vg-ephemeral/pool-ephemeral -o LV_SIZE --noheadings --units M --nosuffix)
lvcreate -V${THINPOOL_SIZE}M -T vg-ephemeral/pool-ephemeral -n ephemeral
else
# Thin provisioning not supported by Wheezy
echo "Detected wheezy; won't use LVM thin provisioning"
lvcreate -l 95%VG -n docker vg-ephemeral
lvcreate -l 100%VG -n ephemeral vg-ephemeral
fi
mkfs -t ext4 /dev/vg-ephemeral/docker
mkdir -p /mnt/ephemeral/docker
echo "/dev/vg-ephemeral/docker /mnt/ephemeral/docker ext4 noatime 0 0" >> /etc/fstab
mount /mnt/ephemeral/docker
mkfs -t ext4 /dev/vg-ephemeral/ephemeral
mkdir -p /mnt/ephemeral
echo "/dev/vg-ephemeral/ephemeral /mnt/ephemeral ext4 noatime 0 0" >> /etc/fstab
mount /mnt/ephemeral
mkdir -p /mnt/ephemeral/kubernetes
move_docker="/mnt/ephemeral"
fi
# Remaining 5% is for kubernetes data
# TODO: Should this be a thin pool? e.g. would we ever want to snapshot this data?
lvcreate -l 100%FREE -n kubernetes vg-ephemeral
mkfs -t ext4 /dev/vg-ephemeral/kubernetes
mkdir -p /mnt/ephemeral/kubernetes
echo "/dev/vg-ephemeral/kubernetes /mnt/ephemeral/kubernetes ext4 noatime 0 0" >> /etc/fstab
mount /mnt/ephemeral/kubernetes
move_kubelet="/mnt/ephemeral/kubernetes"
else
move_kubelet="/mnt/ephemeral/kubernetes"
fi
else
echo "Ignoring unknown DOCKER_STORAGE: ${docker_storage}"
fi
fi