Using Orbit with Curl

Our Orbit storage service provides an OpenStack Swift API, for which there are many compatible libraries and tools, but you can control it using any standard http client, such as curl.

First, you need to authenticate and get a token. You can use either your Brightbox username and password, or (preferably) an API Client identifier and secret. Obviously use your account identifier instead of acc-xxxxx.

$ curl -I -H "x-auth-user:" -H "x-auth-key: mypassword"

HTTP/1.1 200 OK
X-Storage-Token: a586756da259f4c5699a92ebaa359b8e
X-Auth-Token: a586756da259f4c5699a92ebaa359b8e

So here we’ve been given the token a586756da259f4c5699a92ebaa359b8e, which is valid for a couple of hours. We can now use that to read and write containers and objects by setting it as a http header named x-auth-token.

Creating and listing containers

Every account has an images container that is used to store Cloud Server and Cloud SQL instance snapshots, but you can create your own containers to store your own objects like this:

$ curl -I -X PUT -H "x-auth-token: a586756da259f4c5699a92ebaa359b8e"

HTTP/1.1 201 Created

You can get a list of all the containers on your account like this:

$ curl -H "x-auth-token: a586756da259f4c5699a92ebaa359b8e"



You can get the responses in json format for easier parsing:

$ curl -H "x-auth-token: a586756da259f4c5699a92ebaa359b8e"

      "bytes" : 33396,
      "count" : 1,
      "name" : "avatars"
      "name" : "images",
      "bytes" : 0,
      "count" : 0

Uploading an object

Uploading a new object is just a matter of making a HTTP PUT request with the object data as the body. Curl let’s you specify a local file to upload with the -T option. It’s good practise to specify a content type, though not necessary:

$ curl -I -T jason.jpg -X PUT -H "x-auth-token: a586756da259f4c5699a92ebaa359b8e" -H "Content-Type: image/jpeg"

HTTP/1.1 201 Created
Last-Modified: Thu, 24 Jul 2014 14:13:35 GMT
Etag: 7e880ef4c52a4c0f2755983b55a3942f

Downloading an object

As easy as making a GET request:

$ curl -O -H "x-auth-token: a586756da259f4c5699a92ebaa359b8e"
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 33396  100 33396    0     0  95160      0 --:--:-- --:--:-- --:--:-- 95190

Container access control

You can open up any container to allow unauthenticated, public access to your objects by setting a read access control list like this:

$ curl -I -X PUT -H "x-auth-token: a586756da259f4c5699a92ebaa359b8e" -H "x-container-read: .r:*"
HTTP/1.1 204 No Content
Date: Thu, 24 Jul 2014 14:10:51 GMT

And then you can get objects from that container without a token:

$ curl -I

HTTP/1.1 200 OK
Content-Length: 33396
Last-Modified: Thu, 24 Jul 2014 14:17:21 GMT
Etag: 7e880ef4c52a4c0f2755983b55a3942f
Content-Type: image/jpeg

Object cache headers

Add some cache headers for your objects to allow them to be cached by browsers, or perhaps a CDN:

$ curl -I -X POST -H "x-auth-token: a586756da259f4c5699a92ebaa359b8e" -H "Cache-Control: public,max-age=86400"

HTTP/1.1 202 Accepted
Date: Thu, 24 Jul 2014 14:29:44 GMT

$ curl -I

HTTP/1.1 200 OK
Content-Length: 33396
Last-Modified: Thu, 24 Jul 2014 14:29:45 GMT
Etag: 7e880ef4c52a4c0f2755983b55a3942f
Cache-Control: public,max-age=86400
Content-Type: image/jpeg

Last updated: 13 Sep 2018 at 11:16 UTC

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