This special remote type stores file contents in Amazon Glacier.

To use it, you need to have glacier-cli installed.

The unusual thing about Amazon Glacier is the multiple-hour delay it takes to retrieve information out of Glacier. To deal with this, commands like "git-annex get" request Glacier start the retrieval process, and will fail due to the data not yet being available. You can then wait approximately four hours, re-run the same command, and this time, it will actually download the data.

configuration

The standard environment variables AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY are used to supply login credentials for Amazon. You need to set these only when running git annex initremote (or enableremote), as they will be cached in a file only you can read inside the local git repository.

A number of parameters can be passed to git annex initremote to configure the Glacier remote.

• encryption - One of "none", "hybrid", "shared", or "pubkey". See encryption.

• keyid - Specifies the gpg key to use for encryption.

• embedcreds - Optional. Set to "yes" embed the login credentials inside the git repository, which allows other clones to also access them. This is the default when gpg encryption is enabled; the credentials are stored encrypted and only those with the repository's keys can access them.

  It is not the default when using shared encryption, or no encryption. Think carefully about who can access your repository before using embedcreds without gpg encryption.

• datacenter - Defaults to "us-east-1".

• vault - By default, a vault name is chosen based on the remote name and UUID. This can be specified to pick a vault name.

• fileprefix - By default, git-annex places files in a tree rooted at the top of the Glacier vault. When this is set, it's prefixed to the filenames used. For example, you could set it to "foo/" in one special remote, and to "bar/" in another special remote, and both special remotes could then use the same vault.