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Add persistent drive support to Docker container

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This works and runs containers now, if you eg `runc exec` into it.
Needs a few tweaks for rlimits, but will pull and run containers.

Will integrate better with ssh/dev containers to make more usable.

For a simple test use
```
./bin/moby build examples/docker.yml
./bin/moby run hyperkit -disk-size 100 docker

```

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack
2017-04-06 13:51:00 +01:00
parent 8bcb2c9e0e
commit cf7b952995
5 changed files with 109 additions and 6 deletions
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5
pkg/format/format.sh
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@@ -46,6 +46,7 @@ do_fsck_extend_mount()
SPACE=$(sfdisk -F "$DRIVE" | grep 'Unpartitioned space')
printf "Resizing disk partition: $SPACE\n"
# 83 is Linux partition id
START=$(sfdisk -J "$DRIVE" | jq -e '.partitiontable.partitions | map(select(.type=="83")) | .[0].start')
sfdisk -q --delete "$DRIVE" 2> /dev/null
@@ -84,7 +85,9 @@ do_mkfs()
# update status
blockdev --rereadpt $diskdev 2> /dev/null
mdev -s
# wait for device
for i in $(seq 1 50); do test -b "$DATA" && break || sleep .1; mdev -s; done
FSOPTS="-O resize_inode,has_journal,extent,huge_file,flex_bg,uninit_bg,64bit,dir_nlink,extra_isize"