git-annex/doc/tips/Internet_Archive_via_S3.mdwn
Joey Hess 44cd5ae313
S3 export (untested)
It opens a http connection per file exported, but then so does git
annex copy --to s3.

Decided not to munge exported filenames for IA. Too large a chance of
the munging having confusing results. Instead, export of files not
supported by IA, eg with spaces in their name, will fail.

This commit was supported by the NSF-funded DataLad project.
2017-09-08 15:46:24 -04:00

68 lines
3 KiB
Markdown

[The Internet Archive](http://www.archive.org/) allows members to upload
collections using an Amazon S3
[compatible API](http://www.archive.org/help/abouts3.txt), and this can
be used with git-annex's [[special_remotes/S3]] support.
So, you can locally archive things with git-annex, define remotes that
correspond to "items" at the Internet Archive, and use git-annex to upload
your files to there. Of course, your use of the Internet Archive must
comply with their [terms of service](http://www.archive.org/about/terms.php).
A nice added feature is that whenever git-annex sends a file to the
Internet Archive, it records its url, the same as if you'd run `git annex
addurl`. So any users who can clone your repository can download the files
from archive.org, without needing any login or password info. This makes
the Internet Archive a nice way to publish the large files associated with
a public git repository.
## webapp setup
Just go to "Add Another Repository", pick "Internet Archive",
and you're on your way.
## basic setup
Sign up for an account, and get your access keys here:
<http://www.archive.org/account/s3.php>
# export AWS_ACCESS_KEY_ID=blahblah
# export AWS_SECRET_ACCESS_KEY=xxxxxxx
Specify `host=s3.us.archive.org` when doing `initremote` to set up
a remote at the Archive. This will enable a special Internet Archive mode:
Encryption is not allowed; you are required to specify a bucket name
rather than having git-annex pick a random one; and you can optionally
specify `x-archive-meta*` headers to add metadata as explained in their
[documentation](http://www.archive.org/help/abouts3.txt).
# git annex initremote archive-panama type=S3 \
host=s3.us.archive.org bucket=panama-canal-lock-blueprints \
x-archive-meta-mediatype=texts x-archive-meta-language=eng \
x-archive-meta-title="original Panama Canal lock design blueprints"
initremote archive-panama (Internet Archive mode) ok
# git annex describe archive-panama "a man, a plan, a canal: panama"
describe archive-panama ok
Then you can annex files and copy them to the remote as usual:
# git annex add photo1.jpeg --backend=SHA256E
add photo1.jpeg (checksum...) ok
# git annex copy photo1.jpeg --fast --to archive-panama
copy (to archive-panama...) ok
Once a file has been stored on archive.org, it cannot be (easily) removed
from it. Also, git-annex whereis will tell you a public url for the file
on archive.org. (It may take a while for archive.org to make the file
publically visibile.)
## exporting trees
By default, files stored in the Internet Archive will show up there named
by their git-annex key, not the original filename. If the filenames
are important, you can run `git annex initremote` with an additional
parameter "exporttree=yes", and then use [[git-annex-export]] to publish
a tree of files to the Internet Archive.
Note that the Internet Archive does not support filenames containing
whitespace and some other characters. Exporting such problem filenames will
fail; you can rename the file and re-export.