Tim

Summary

Tim is a Rails Engine responsible for Cloud image management. It allows clients to create, delete and upload images to a multitude of Cloud providers. Tim builds on top of Imagefactory’s cloud abstraction layer.

Adding the ability for clients to store meta-data (used for searching and sorting) as well as versioning and support for access control. Tim wraps all this up in a clean, simply RESTful API.

You can read the full presentation here.

Configuration

Securing Image Factory requests

It is possible to secure Image Factory requests using 2 Legged OAuth. To use 2 Legged OAuth you must set the OAuth consumer key, consumer secret and url in the Tim::ImageFactory::Base.config.

Example:

oauth_config = {:consumer_key => "mock-key",
                :consumer_secret => "mock-secret",
                :site => "http://localhost:8075/imagefactory/"}
Tim::ImageFactory::Base.config = oauth_config

Running Tests

<img src=“https://secure.travis-ci.org/aeolus-incubator/tim.png” alt=“Build Status” />

Tests are run from the project root directory. But are run in the context of the dummy app located under test/dummy. In order to run the tests you must first setup dummy app database.

rake db:setup; rake -f test/dummy/Rakefile test:prepare

Once you have done this cd to the project root and run the following:

rake spec

Running the Dummy app

This will allow you to runn the commands below to test out the engine in isolation (if mounted in another application, the main difference will just be where the engine gets mounted, so adjust your url accordingly).

cd test/dummy; rails s

API Reference

Templates

Create Template

Request

curl -X POST --header "Accept: application/xml" --header "Content-Type: application/xml" --data "
<template>
   <name>mock</name>
   <os>
     <name>RHEL-6</name>
     <version>1</version>
     <arch>x86_64</arch>
     <install type=\"iso\">
       <iso>http://mockhost/RHELMock1-x86_64-DVD.iso</iso>
     </install>
     <rootpw>password</rootpw>
  </os>
  <description>Mock Template</description>
</template>
" http://localhost:3000/tim/templates

Response

Code: 201

Body:

<template href='http://localhost:3000/tim/templates/34' id='34'>
  <name>mock</name><os>
      <name>RHEL-6</name>
      <version>1</version>
      <arch>x86_64</arch>
      <install type="iso">
        <iso>http://mockhost/RHELMock1-x86_64-DVD.iso</iso>
      </install>
      <rootpw>password</rootpw>
    </os><description>Mock Template</description>
  <base_images>
  </base_images>
  <custom_content>custom</custom_content>
</template>

Show Template

Request

curl --header "Accept:application/xml" http://localhost:3000/tim/templates/34

Response

Code: 200

Body:

<template href='http://localhost:3000/tim/templates/34' id='34'>
  <name>mock</name><os>
      <name>RHEL-6</name>
      <version>1</version>
      <arch>x86_64</arch>
      <install type="iso">
        <iso>http://mockhost/RHELMock1-x86_64-DVD.iso</iso>
      </install>
      <rootpw>password</rootpw>
    </os><description>Mock Template</description>
  <base_images>
  </base_images>
  <custom_content>custom</custom_content>
</template>

List Templates

Request

curl --header "Accept:application/xml" http://localhost:3000/tim/templates

Response

Code: 200

Body:

<templates>
  <template href='http://localhost:3000/tim/templates/33' id='33'></template>
  <template href='http://localhost:3000/tim/templates/35' id='35'></template>
  <template href='http://localhost:3000/tim/templates/36' id='36'></template>
</templates>

Update Template - Not Allowed

Delete Template

Request

curl -X DELETE --header "Accept: application/xml" http://localhost:3000/tim/templates/34

Response

Code: 204

Body:

Base Images

Create Base Image with Template

with Existing Template

Request

curl -X POST --header "Accept: application/xml" --header "Content-Type: application/xml" --data "
<base_image>
  <name>MyFirstBaseImage</name>
  <description>This is my very first base image</description>
  <template href='http://localhost:3000/tim/templates/3' id='3'></template>
</base_image>
" http://localhost:3000/tim/base_images

Response

Code: 201

Body:

<base_image href='http://localhost:3000/tim/base_images/15' id='15'>
  <name>MyFirstBaseImage</name>
  <description>This is my very first base image</description>
  <template href='http://localhost:3000/tim/templates/36' id='36'></template>
  <image_versions>
  </image_versions>
</base_image>

with New Template

Request

curl -X POST --header "Accept: application/xml" --header "Content-Type: application/xml" --data "
<base_image>
  <name>MyFirstBaseImage</name>
  <description>This is my very first base image</description>
  <template>
    <name>mock</name>
    <os>
      <name>RHEL-6</name>
      <version>1</version>
      <arch>x86_64</arch>
      <install type=\"iso\">
        <iso>http://mockhost/RHELMock1-x86_64-DVD.iso</iso>
      </install>
      <rootpw>password</rootpw>
    </os>
    <description>Mock Template</description>
  </template>
</base_image>
" http://localhost:3000/tim/base_images

Response

Code: 201

Body:

<base_image href='http://localhost:3000/tim/base_images/15' id='15'>
  <name>MyFirstBaseImage</name>
  <description>This is my very first base image</description>
  <template href='http://localhost:3000/tim/templates/36' id='36'></template>
  <image_versions>
  </image_versions>
</base_image>

Create Base Image with Template, a single Image Version with a Single Target Image

Request

curl -X POST --header "Accept: application/xml" --header "Content-Type: application/xml" --data "
<base_image>
  <name>MyFirstBaseImage</name>
  <description>ThisIsABaseImage</description>
  <template>
    <name>mock</name>
    <os>
      <name>RHEL-6</name>
      <version>1</version>
      <arch>x86_64</arch>
      <install type=\"iso\">
        <iso>http://mockhost/RHELMock1-x86_64-DVD.iso</iso>
      </install>
      <rootpw>password</rootpw>
    </os>
    <description>Mock Template</description>
  </template>
  <image_versions type='array'>
   <image_version>
      <target_images type='array'>
        <target_image>
          <target>MockSphere</target>
        </target_image>
      </target_images>
    </image_version>
  </image_versions>
</base_image>
" http://localhost:3000/tim/base_images

Response

Code: 201

Body:

<base_image href='http://localhost:3000/tim/base_images/16' id='16'>
  <name>MyFirstBaseImage</name>
  <description>ThisIsABaseImage</description>
  <template href='http://localhost:3000/tim/templates/37' id='37'></template>
  <image_versions>
    <image_version href='http://localhost:3000/tim/image_versions/12' id='12'></image_version>
  </image_versions>
</base_image>

Import Image

curl -X POST --header "Accept: application/xml" --header "Content-Type: application/xml" --data "
<base_image>
  <name>MyFirstBaseImage</name>
  <description>This is my very first base image</description>
  <template href='http://localhost:3000/tim/templates/3' id='3'></template>
  <import>true</import>
  <image_versions type='array'>
    <image_version>
      <target_images type='array'>
        <target_image>
          <target>ec2</target>
          <provider_images type='array'>
            <provider_image>
              <provider>Amazon EC2</provider>
              <external_image_id>ami-123456</external_image_id>
            </provider_image>
          </provider_images>
        </target_image>
      </target_images>
    </image_version>
  </image_versions>
</base_image>
" http://localhost:3000/tim/base_images

Show Base Image

Request

curl --header "Accept: application/xml" http://localhost:3000/tim/base_images/1

Response

Code: 200

Body:

<base_image href='http://localhost:3000/tim/base_images/1' id='1'>
  <name>MyFirstBaseImage</name>
  <description>This is my very first base image</description>
  <image_versions>
    <image_version href='http://localhost:3000/tim/image_versions/1' id='1'></image_version>
  </image_versions>
</base_image>

List Base Images

Request

curl --header "Accept: application/xml" http://localhost:3000/tim/base_images

Response

Code: 200

Body:

<base_images>
  <base_image href='http://localhost:3000/tim/base_images/1' id='1'></base_image>
  <base_image href='http://localhost:3000/tim/base_images/2' id='2'></base_image>
  <base_image href='http://localhost:3000/tim/base_images/3' id='3'></base_image>
</base_images>

Delete Base Image

Request

curl -X DELETE --header "Accept: application/xml" http://localhost:3000/tim/base_images/1

Response

Code: 204

Body:

Image Versions

Create Image Version

Request

curl -X POST --header "Accept: application/xml" --header \
"Content-Type: application/xml" http://localhost:3000/tim/image_versions --data \
"<image_version>
  <base_image id='3'></base_image>
</image_version>"

Response

Code: 201

Body:

<image_version href='http://localhost:3000/tim/image_versions/5' id='5'>
  <base_image href='http://localhost:3000/tim/base_images/1' id='1'></base_image>
  <target_images>
  </target_images>
</image_version>

Show Image Version

Request

curl --header "Accept: application/xml" http://localhost:3000/tim/image_versions/1

Response

Code: 200

Body:

<image_version href='http://localhost:3000/tim/image_versions/1' id='1'>
  <base_image href='http://localhost:3000/tim/base_images/1' id='1'></base_image>
  <target_images>
  </target_images>
</image_version>

List Image Versions

Request

curl --header "Accept: application/xml" http://localhost:3000/tim/image_versions

Response

Code: 200

Body:

<image_versions>
  <image_version href='http://localhost:3000/tim/image_versions/1' id='1'></image_version>
  <image_version href='http://localhost:3000/tim/image_versions/2' id='2'></image_version>
  <image_version href='http://localhost:3000/tim/image_versions/3' id='3'></image_version>
</image_versions>

Delete Image Version

Request

curl -X DELETE--header "Accept: application/xml" http://localhost:3000/tim/image_versions/1

Response

Code: 204

Body:

Update Image Version

Request

curl -X PUT --header "Accept: application/xml" --header \
"Content-Type: application/xml" http://localhost:3000/tim/image_versions/1 --data \
"<image_version>
  <base_image id='2'></base_image>
</image_version>"

Response

Code: 200

body:

<image_version href='http://localhost:3000/tim/image_versions/1' id='1'>
  <base_image href='http://localhost:3000/tim/base_images/2' id='2'></base_image>
  <target_images>
  </target_images>
</image_version>

Create Target Image

Request

curl -X POST --header "Accept: application/xml" --header \
"Content-Type: application/xml" http://localhost:3000/tim/target_images --data \
"<target_image>
  <image_version id='2' />
</target_image>"

Response

Code: 201

Body:

<target_image href=‘localhost:3000/tim/target_images/1’ id=‘1’>

<target>EC2</target>
<status>BUILDING</status>
<status_detail></status_detail>
<progress>0</progress>
<image_version href='http://localhost:3000/tim/image_versions/2' id='2'></image_version>
<provider_images></provider_images>

</target_image>

Show Target Image

Request

curl --header "Accept: application/xml" http://localhost:3000/tim/target_images/1

Response

Code: 200

Body:

<target_image href='http://localhost:3000/tim/target_images/1' id='1'>
  <target>EC2</target>
  <status>COMPLETE</status>
  <status_detail></status_detail>
  <progress>100</progress>
  <image_version href='http://localhost:3000/tim/image_versions/2' id='2'></image_version>
  <provider_images></provider_images>
</target_image>

List Target Image

Request

curl --header "Accept: application/xml" http://localhost:3000/tim/target_images

Response

Code: 200

Body:

<target_images>
  <target_image href='http://localhost:3000/tim/target_images/1' id='1'></target_image>
  <target_image href='http://localhost:3000/tim/target_images/2' id='2'></target_image>
  <target_image href='http://localhost:3000/tim/target_images/3' id='3'></target_image>
</target_images>

Delete Target Image

Request

curl -X DELETE --header "Accept: application/xml" http://localhost:3000/tim/target_images/1

Response

Code: 204

Body:

Update Target Image

Request

curl -X PUT --header "Accept: application/xml" --header \
"Content-Type: application/xml" http://localhost:3000/tim/target_images/2 --data \
"<target_image>
  <image_version id='3'></image_version>
</target_image>"

Response

Code: 204

Create Provider Image

Request

curl -X POST --header "Accept: application/xml" --header \
"Content-Type: application/xml" http://localhost:3000/tim/provider_images --data \
"<provider_image>
  <target_image id='1' />
</provider_image>"

Response

Code: 201

Body:

<provider_image href='http://localhost:3000/tim/provider_images/85' id='85'>
  <provider>Amazon EC2</provider>
  <external_image_id>ami-123456</external_image_id>
  <snapshot>false</snapshot>
  <status>NEW</status>
  <status_detail></status_detail>
  <progress>0</progress>
  <target_image href='http://localhost:3000/tim/target_images/1' id='1'></target_image>
</provider_image>

Show Provider Image

Request

curl --header "Accept: application/xml" http://localhost:3000/tim/provider_images/1

Response

Code: 200

Body:

<provider_image href='http://localhost:3000/tim/provider_images/85' id='85'>
  <provider>Amazon EC2</provider>
  <external_image_id>ami-123456</external_image_id>
  <snapshot>false</snapshot>
  <status>NEW</status>
  <status_detail></status_detail>
  <progress>0</progress>
  <target_image href='http://localhost:3000/tim/target_images/1' id='1'></target_image>
</provider_image>

List Provider Images

Request

curl --header "Accept: application/xml" http://localhost:3000/tim/provider_images

Response

Code: 200

Body:

<provider_images>
  <provider_image href='http://localhost:3000/tim/provider_images/1' id='1'></provider_image>
  <provider_image href='http://localhost:3000/tim/provider_images/2' id='2'></provider_image>
  <provider_image href='http://localhost:3000/tim/provider_images/3' id='3'></provider_image>
</provider_image>

Delete Target Image

Request

curl -X DELETE --header "Accept: application/xml" http://localhost:3000/tim/provider_images/1

Response

Code: 204

Body:

Update Target Image

Request

curl -X PUT --header "Accept: application/xml" --header \
"Content-Type: application/xml" http://localhost:3000/tim/provider_images/2 --data \
"<provider_image>
  <target_image id='3'></target_image>
</provider_image>"

Response

Code: 204

Body:

<provider_image href='http://localhost:3000/tim/provider_images/84' id='84'>
  <provider></provider>
  <external_image_id></external_image_id>
  <snapshot></snapshot>
  <status></status>
  <status_detail></status_detail>
  <progress></progress>
  <target_image href='http://localhost:3000/tim/target_images/3' id='3'></target_image>
</provider_image>

License

Image Management Engine is released under the MIT license.