/continuity

A transport-agnostic, filesystem metadata manifest system
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cmd/continuity
commands Add solaris build support Jul 21, 2017
continuityfs
devices
driver
fs
pathdriver Added MkdirAll, RemoveAll, OpenFile, Match Jul 10, 2017
proto
syscallx
sysx
testutil
vendor
version
.gitignore
.mailmap
.travis.yml
AUTHORS
LICENSE
Makefile
README.md
context.go
digests.go migrate to opencontainers/go-digest Jan 8, 2017
digests_test.go
groups_unix.go
hardlinks.go
hardlinks_unix.go
hardlinks_windows.go
ioutils.go
manifest.go
manifest_test.go
manifest_test_darwin.go
resource.go
resource_test.go
resource_unix.go
resource_windows.go
testutil_test.go
vendor.conf

README.md

continuity

GoDoc Build Status

A transport-agnostic, filesystem metadata manifest system

This project is a staging area for experiments in providing transport agnostic metadata storage.

Please see https://github.com/opencontainers/specs/issues/11 for more details.

Manifest Format

A continuity manifest encodes filesystem metadata in Protocol Buffers. Please refer to proto/manifest.proto.

Usage

Build:

$ make

Create a manifest (of this repo itself):

$ ./bin/continuity build . > /tmp/a.pb

Dump a manifest:

$ ./bin/continuity ls /tmp/a.pb
...
-rw-rw-r--      270 B   /.gitignore
-rw-rw-r--      88 B    /.mailmap
-rw-rw-r--      187 B   /.travis.yml
-rw-rw-r--      359 B   /AUTHORS
-rw-rw-r--      11 kB   /LICENSE
-rw-rw-r--      1.5 kB  /Makefile
...
-rw-rw-r--      986 B   /testutil_test.go
drwxrwxr-x      0 B     /version
-rw-rw-r--      478 B   /version/version.go

Verify a manifest:

$ ./bin/continuity verify . /tmp/a.pb

Break the directory and restore using the manifest:

$ chmod 777 Makefile
$ ./bin/continuity verify . /tmp/a.pb
2017/06/23 08:00:34 error verifying manifest: resource "/Makefile" has incorrect mode: -rwxrwxrwx != -rw-rw-r--
$ ./bin/continuity apply . /tmp/a.pb
$ stat -c %a Makefile
664
$ ./bin/continuity verify . /tmp/a.pb

Contribution Guide

Building Proto Package

If you change the proto file you will need to rebuild the generated Go with go generate.

$ go generate ./proto