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Merge pull request #2562 from rackspace/openstack_docs
[openstack|compute] Adding compute docs
This commit is contained in:
Kyle Rames
commit
dabebe3b3e
4 changed files with 706 additions and 10 deletions
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lib/fog/openstack/docs/compute.md
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lib/fog/openstack/docs/compute.md
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#Compute (Nova)
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This document explains how to get started using OpenStack Compute (Nova) with Fog. It assumes you have read the [Getting Started with Fog and the OpenStack](getting_started.md) document.
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## Starting irb console
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Start by executing the following command:
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irb
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Once `irb` has launched you need to require the Fog library by executing:
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require 'fog'
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## Create Service
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Next, create a connection to the Compute Service:
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service = Fog::Compute.new({
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:provider => 'openstack', # OpenStack Fog provider
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:openstack_auth_url => 'http://KEYSTONE_HOST:KEYSTONE_PORT/v2.0/tokens', # OpenStack Keystone endpoint
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:openstack_username => OPEN_STACK_USER, # Your OpenStack Username
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:openstack_tenant => OPEN_STACK_TENANT, # Your tenant id
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:openstack_api_key => OPEN_STACK_PASSWORD, # Your OpenStack Password
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:connection_options => {} # Optional
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})
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**Note** `openstack_username` and `openstack_tenant` default to `admin` if omitted.
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### Optional Connection Parameters
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Fog supports passing additional connection parameters to its underlying HTTP library (Excon) using the `:connection_options` parameter.
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<table>
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<tr>
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<th>Key</th>
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<th>Description</th>
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</tr>
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<tr>
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<td>:connect_timeout</td>
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<td>Connection timeout (default: 60 seconds)</td>
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</tr>
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<tr>
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<td>:read_timeout</td>
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<td>Read timeout for connection (default: 60 seconds)</td> </tr>
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<tr>
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<td>:write_timeout</td>
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<td>Write timeout for connection (default: 60 seconds)</td>
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</tr>
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<tr>
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<td>:proxy</td>
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<td>Proxy for HTTP and HTTPS connections</td>
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</tr>
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<tr>
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<td>:ssl_ca_path</td>
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<td>Path to SSL certificate authorities</td>
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</tr>
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<tr>
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<td>:ssl_ca_file</td>
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<td>SSL certificate authority file</td>
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</tr>
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<tr>
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<td>:ssl_verify_peer</td>
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<td>SSL verify peer (default: true)</td>
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</tr>
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</table>
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## Fog Abstractions
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Fog provides both a **model** and **request** abstraction. The request abstraction provides the most efficient interface and the model abstraction wraps the request abstraction to provide a convenient `ActiveModel` like interface.
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### Request Layer
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The request abstraction maps directly to the [OpenStack Compute API](http://docs.openstack.org/api/openstack-compute/2/content/). It provides the most efficient interface to the OpenStack Compute service.
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To see a list of requests supported by the service:
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service.requests
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This returns:
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:list_servers, :list_servers_detail, :create_server, :get_server_details, :update_server, :delete_server, :server_actions, :server_action, :reboot_server, :rebuild_server, :resize_server, :confirm_resize_server, :revert_resize_server, :pause_server, :unpause_server, :suspend_server, :resume_server, :rescue_server, :change_server_password, :add_fixed_ip, :remove_fixed_ip, :server_diagnostics, :boot_from_snapshot, :reset_server_state, :get_console_output, :get_vnc_console, :live_migrate_server, :migrate_server, :list_images, :list_images_detail, :create_image, :get_image_details, :delete_image, :list_flavors, :list_flavors_detail, :get_flavor_details, :create_flavor, :delete_flavor, :add_flavor_access, :remove_flavor_access, :list_tenants_with_flavor_access, :list_metadata, :get_metadata, :set_metadata, :update_metadata, :delete_metadata, :delete_meta, :update_meta, :list_addresses, :list_address_pools, :list_all_addresses, :list_private_addresses, :list_public_addresses, :get_address, :allocate_address, :associate_address, :release_address, :disassociate_address, :list_security_groups, :get_security_group, :create_security_group, :create_security_group_rule, :delete_security_group, :delete_security_group_rule, :get_security_group_rule, :list_key_pairs, :create_key_pair, :delete_key_pair, :list_tenants, :set_tenant, :get_limits, :list_volumes, :create_volume, :get_volume_details, :delete_volume, :attach_volume, :detach_volume, :get_server_volumes, :create_volume_snapshot, :list_snapshots, :get_snapshot_details, :delete_snapshot, :list_usages, :get_usage, :get_quota, :get_quota_defaults, :update_quota, :list_hosts, :get_host_details
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#### Example Request
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To request a list of flavors:
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response = service.list_flavors
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This returns in the following `Excon::Response`:
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#<Excon::Response:0x007f88a12d0268 @data={:body=>{"flavors"=>[{"id"=>"1", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"bookmark"}], "name"=>"m1.tiny"}, {"id"=>"2", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/2", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/2", "rel"=>"bookmark"}], "name"=>"m1.small"}, {"id"=>"3", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/3", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/3", "rel"=>"bookmark"}], "name"=>"m1.medium"}, {"id"=>"4", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/4", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/4", "rel"=>"bookmark"}], "name"=>"m1.large"}, {"id"=>"42", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/42", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/42", "rel"=>"bookmark"}], "name"=>"m1.nano"}, {"id"=>"5", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/5", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/5", "rel"=>"bookmark"}], "name"=>"m1.xlarge"}, {"id"=>"84", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/84", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/84", "rel"=>"bookmark"}], "name"=>"m1.micro"}]}, :headers=>{"Content-Type"=>"application/json", "Content-Length"=>"1748", "X-Compute-Request-Id"=>"req-ae3bcf11-deab-493b-a2d8-1432dead3f7a", "Date"=>"Thu, 09 Jan 2014 17:01:15 GMT"}, :status=>200, :remote_ip=>"localhost"}, @body="{\"flavors\": [{\"id\": \"1\", \"links\": [{\"href\": \"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1\", \"rel\": \"self\"}, {\"href\": \"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1\", \"rel\": \"bookmark\"}], \"name\": \"m1.tiny\"}, {\"id\": \"2\", \"links\": [{\"href\": \"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/2\", \"rel\": \"self\"}, {\"href\": \"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/2\", \"rel\": \"bookmark\"}], \"name\": \"m1.small\"}, {\"id\": \"3\", \"links\": [{\"href\": \"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/3\", \"rel\": \"self\"}, {\"href\": \"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/3\", \"rel\": \"bookmark\"}], \"name\": \"m1.medium\"}, {\"id\": \"4\", \"links\": [{\"href\": \"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/4\", \"rel\": \"self\"}, {\"href\": \"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/4\", \"rel\": \"bookmark\"}], \"name\": \"m1.large\"}, {\"id\": \"42\", \"links\": [{\"href\": \"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/42\", \"rel\": \"self\"}, {\"href\": \"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/42\", \"rel\": \"bookmark\"}], \"name\": \"m1.nano\"}, {\"id\": \"5\", \"links\": [{\"href\": \"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/5\", \"rel\": \"self\"}, {\"href\": \"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/5\", \"rel\": \"bookmark\"}], \"name\": \"m1.xlarge\"}, {\"id\": \"84\", \"links\": [{\"href\": \"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/84\", \"rel\": \"self\"}, {\"href\": \"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/84\", \"rel\": \"bookmark\"}], \"name\": \"m1.micro\"}]}", @headers={"Content-Type"=>"application/json", "Content-Length"=>"1748", "X-Compute-Request-Id"=>"req-ae3bcf11-deab-493b-a2d8-1432dead3f7a", "Date"=>"Thu, 09 Jan 2014 17:01:15 GMT"}, @status=200, @remote_ip="localhost">
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To view the status of the response:
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response.status
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**Note**: Fog is aware of valid HTTP response statuses for each request type. If an unexpected HTTP response status occurs, Fog will raise an exception.
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To view response body:
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|
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response.body
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This will return:
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{"flavors"=>[{"id"=>"1", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"bookmark"}], "name"=>"m1.tiny"}, {"id"=>"2", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/2", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/2", "rel"=>"bookmark"}], "name"=>"m1.small"}, {"id"=>"3", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/3", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/3", "rel"=>"bookmark"}], "name"=>"m1.medium"}, {"id"=>"4", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/4", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/4", "rel"=>"bookmark"}], "name"=>"m1.large"}, {"id"=>"42", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/42", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/42", "rel"=>"bookmark"}], "name"=>"m1.nano"}, {"id"=>"5", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/5", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/5", "rel"=>"bookmark"}], "name"=>"m1.xlarge"}, {"id"=>"84", "links"=>[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/84", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/84", "rel"=>"bookmark"}], "name"=>"m1.micro"}]}
|
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|
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To learn more about Compute request methods refer to [rdoc](http://rubydoc.info/gems/fog/Fog/Compute/Openstack/Real). To learn more about Excon refer to [Excon GitHub repo](https://github.com/geemus/excon).
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### Model Layer
|
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|
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Fog models behave in a manner similar to `ActiveModel`. Models will generally respond to `create`, `save`, `persisted?`, `destroy`, `reload` and `attributes` methods. Additionally, fog will automatically create attribute accessors.
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|
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Here is a summary of common model methods:
|
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|
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<table>
|
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<tr>
|
||||
<th>Method</th>
|
||||
<th>Description</th>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>create</td>
|
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<td>
|
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Accepts hash of attributes and creates object.<br>
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Note: creation is a non-blocking call and you will be required to wait for a valid state before using resulting object.
|
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</td>
|
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</tr>
|
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<tr>
|
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<td>save</td>
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<td>Saves object.<br>
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Note: not all objects support updating object.</td>
|
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</tr>
|
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<tr>
|
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<td>persisted?</td>
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<td>Returns true if the object has been persisted.</td>
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</tr>
|
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<tr>
|
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<td>destroy</td>
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<td>
|
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Destroys object.<br>
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Note: this is a non-blocking call and object deletion might not be instantaneous.
|
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</td>
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<tr>
|
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<td>reload</td>
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<td>Updates object with latest state from service.</td>
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<tr>
|
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<td>ready?</td>
|
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<td>Returns true if object is in a ready state and able to perform actions. This method will raise an exception if object is in an error state.</td>
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</tr>
|
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<tr>
|
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<td>attributes</td>
|
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<td>Returns a hash containing the list of model attributes and values.</td>
|
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</tr>
|
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<td>identity</td>
|
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<td>
|
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Returns the identity of the object.<br>
|
||||
Note: This might not always be equal to object.id.
|
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</td>
|
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</tr>
|
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<tr>
|
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<td>wait_for</td>
|
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<td>This method periodically reloads model and then yields to specified block until block returns true or a timeout occurs.</td>
|
||||
</tr>
|
||||
</table>
|
||||
|
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The remainder of this document details the model abstraction.
|
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|
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## List Images
|
||||
|
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To retrieve a list of available images:
|
||||
|
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service.images
|
||||
|
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This returns a collection of `Fog::Compute::OpenStack::Image` models:
|
||||
|
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<Fog::Compute::OpenStack::Images
|
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filters={},
|
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server=nil
|
||||
[
|
||||
<Fog::Compute::OpenStack::Image
|
||||
id="821e2b73-5aed-4f9d-aaa7-2f4f297779f3",
|
||||
name="cirros-0.3.1-x86_64-uec",
|
||||
created_at="2013-07-11T19:59:19Z",
|
||||
updated_at="2013-07-11T19:59:20Z",
|
||||
progress=100,
|
||||
status="ACTIVE",
|
||||
minDisk=0,
|
||||
minRam=0,
|
||||
server=nil,
|
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metadata= <Fog::Compute::OpenStack::Metadata
|
||||
[
|
||||
<Fog::Compute::OpenStack::Metadatum
|
||||
key="kernel_id",
|
||||
value="f443896b-089c-40e7-8712-bb48a676a8de"
|
||||
>,
|
||||
<Fog::Compute::OpenStack::Metadatum
|
||||
key="ramdisk_id",
|
||||
value="e21af7e2-a181-403a-84a4-fd9df36cb963"
|
||||
>
|
||||
]
|
||||
>,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "rel"=>"bookmark"}, {"href"=>"http://localhost:9292/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "type"=>"application/vnd.openstack.image", "rel"=>"alternate"}]
|
||||
>,
|
||||
<Fog::Compute::OpenStack::Image
|
||||
id="e21af7e2-a181-403a-84a4-fd9df36cb963",
|
||||
name="cirros-0.3.1-x86_64-uec-ramdisk",
|
||||
created_at="2013-07-11T19:59:18Z",
|
||||
updated_at="2013-07-11T19:59:18Z",
|
||||
progress=100,
|
||||
status="ACTIVE",
|
||||
minDisk=0,
|
||||
minRam=0,
|
||||
server=nil,
|
||||
metadata= <Fog::Compute::OpenStack::Metadata
|
||||
[]
|
||||
>,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/images/e21af7e2-a181-403a-84a4-fd9df36cb963", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/images/e21af7e2-a181-403a-84a4-fd9df36cb963", "rel"=>"bookmark"}, {"href"=>"http://localhost:9292/b5bf8e689bc64844b1d08094a2f2bdd5/images/e21af7e2-a181-403a-84a4-fd9df36cb963", "type"=>"application/vnd.openstack.image", "rel"=>"alternate"}]
|
||||
>,
|
||||
…
|
||||
|
||||
## Get Image
|
||||
|
||||
To retrieve individual image:
|
||||
|
||||
service.images.get "821e2b73-5aed-4f9d-aaa7-2f4f297779f3"
|
||||
|
||||
This returns an `Fog::Compute::OpenStack::Image` instance:
|
||||
|
||||
<Fog::Compute::OpenStack::Image
|
||||
id="821e2b73-5aed-4f9d-aaa7-2f4f297779f3",
|
||||
name="cirros-0.3.1-x86_64-uec",
|
||||
created_at="2013-07-11T19:59:19Z",
|
||||
updated_at="2013-07-11T19:59:20Z",
|
||||
progress=100,
|
||||
status="ACTIVE",
|
||||
minDisk=0,
|
||||
minRam=0,
|
||||
server=nil,
|
||||
metadata= <Fog::Compute::OpenStack::Metadata
|
||||
[
|
||||
<Fog::Compute::OpenStack::Metadatum
|
||||
key="kernel_id",
|
||||
value="f443896b-089c-40e7-8712-bb48a676a8de"
|
||||
>,
|
||||
<Fog::Compute::OpenStack::Metadatum
|
||||
key="ramdisk_id",
|
||||
value="e21af7e2-a181-403a-84a4-fd9df36cb963"
|
||||
>
|
||||
]
|
||||
>,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "rel"=>"bookmark"}, {"href"=>"http://localhost:9292/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "type"=>"application/vnd.openstack.image", "rel"=>"alternate"}]
|
||||
>
|
||||
|
||||
## List Flavors
|
||||
|
||||
To retrieve a list of available flavors:
|
||||
|
||||
service.flavors
|
||||
|
||||
This returns a collection of `Fog::Compute::OpenStack::Flavor` models:
|
||||
|
||||
<Fog::Compute::OpenStack::Flavors
|
||||
[
|
||||
<Fog::Compute::OpenStack::Flavor
|
||||
id="1",
|
||||
name="m1.tiny",
|
||||
ram=512,
|
||||
disk=1,
|
||||
vcpus=1,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"bookmark"}],
|
||||
swap="",
|
||||
rxtx_factor=1.0,
|
||||
ephemeral=0,
|
||||
is_public=true,
|
||||
disabled=false
|
||||
>,
|
||||
<Fog::Compute::OpenStack::Flavor
|
||||
id="2",
|
||||
name="m1.small",
|
||||
ram=2048,
|
||||
disk=20,
|
||||
vcpus=1,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/2", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/2", "rel"=>"bookmark"}],
|
||||
swap="",
|
||||
rxtx_factor=1.0,
|
||||
ephemeral=0,
|
||||
is_public=true,
|
||||
disabled=false
|
||||
>,
|
||||
…
|
||||
|
||||
|
||||
## Get Flavor
|
||||
|
||||
To retrieve individual flavor:
|
||||
|
||||
service.flavor.get 1
|
||||
|
||||
This returns a `Fog::Compute::OpenStack::Flavor` instance:
|
||||
|
||||
<Fog::Compute::OpenStack::Flavor
|
||||
id="1",
|
||||
name="m1.tiny",
|
||||
ram=512,
|
||||
disk=1,
|
||||
vcpus=1,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"bookmark"}],
|
||||
swap="",
|
||||
rxtx_factor=1.0,
|
||||
ephemeral=0,
|
||||
is_public=true,
|
||||
disabled=false
|
||||
>
|
||||
|
||||
## List Servers
|
||||
|
||||
To retrieve a list of available servers:
|
||||
|
||||
service.servers
|
||||
|
||||
This returns a collection of `Fog::Compute::OpenStack::Servers` models:
|
||||
|
||||
<Fog::Compute::OpenStack::Servers
|
||||
filters={}
|
||||
[
|
||||
<Fog::Compute::OpenStack::Server
|
||||
id="4572529c-0cfc-433e-8dbf-7cc383ed5b7c",
|
||||
instance_name=nil,
|
||||
addresses={"private"=>[{"OS-EXT-IPS-MAC:mac_addr"=>"fa:16:3e:14:34:b8", "version"=>4, "addr"=>"10.0.0.5", "OS-EXT-IPS:type"=>"fixed"}]},
|
||||
flavor={"id"=>"1", "links"=>[{"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"bookmark"}]},
|
||||
host_id="bb705edc279c520d97ad6fbd0b8e75a5c716388616f58e527d0ff633",
|
||||
image={"id"=>"821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "links"=>[{"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "rel"=>"bookmark"}]},
|
||||
metadata= <Fog::Compute::OpenStack::Metadata
|
||||
[]
|
||||
>,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/servers/4572529c-0cfc-433e-8dbf-7cc383ed5b7c", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/servers/4572529c-0cfc-433e-8dbf-7cc383ed5b7c", "rel"=>"bookmark"}],
|
||||
name="doc-test",
|
||||
personality=nil,
|
||||
progress=0,
|
||||
accessIPv4="",
|
||||
accessIPv6="",
|
||||
availability_zone="nova",
|
||||
user_data_encoded=nil,
|
||||
state="ACTIVE",
|
||||
created=2013-10-10 18:17:46 UTC,
|
||||
updated=2013-10-10 18:17:56 UTC,
|
||||
tenant_id="b5bf8e689bc64844b1d08094a2f2bdd5",
|
||||
user_id="dbee88bc901b4593867c105b2b1ad15b",
|
||||
key_name=nil,
|
||||
fault=nil,
|
||||
config_drive="",
|
||||
os_dcf_disk_config="MANUAL",
|
||||
os_ext_srv_attr_host="devstack",
|
||||
os_ext_srv_attr_hypervisor_hostname="devstack",
|
||||
os_ext_srv_attr_instance_name="instance-00000016",
|
||||
os_ext_sts_power_state=1,
|
||||
os_ext_sts_task_state=nil,
|
||||
os_ext_sts_vm_state="active"
|
||||
>,
|
||||
…
|
||||
|
||||
## Get Server
|
||||
|
||||
To return an individual server:
|
||||
|
||||
service.servers.get "4572529c-0cfc-433e-8dbf-7cc383ed5b7c"
|
||||
|
||||
This returns a `Fog::Compute::OpenStack::Server` instance:
|
||||
|
||||
<Fog::Compute::OpenStack::Server
|
||||
id="4572529c-0cfc-433e-8dbf-7cc383ed5b7c",
|
||||
instance_name=nil,
|
||||
addresses={"private"=>[{"OS-EXT-IPS-MAC:mac_addr"=>"fa:16:3e:14:34:b8", "version"=>4, "addr"=>"10.0.0.5", "OS-EXT-IPS:type"=>"fixed"}]},
|
||||
flavor={"id"=>"1", "links"=>[{"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"bookmark"}]},
|
||||
host_id="bb705edc279c520d97ad6fbd0b8e75a5c716388616f58e527d0ff633",
|
||||
image={"id"=>"821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "links"=>[{"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "rel"=>"bookmark"}]},
|
||||
metadata= <Fog::Compute::OpenStack::Metadata
|
||||
[]
|
||||
>,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/servers/4572529c-0cfc-433e-8dbf-7cc383ed5b7c", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/servers/4572529c-0cfc-433e-8dbf-7cc383ed5b7c", "rel"=>"bookmark"}],
|
||||
name="doc-test",
|
||||
personality=nil,
|
||||
progress=0,
|
||||
accessIPv4="",
|
||||
accessIPv6="",
|
||||
availability_zone="nova",
|
||||
user_data_encoded=nil,
|
||||
state="ACTIVE",
|
||||
created=2013-10-10 18:17:46 UTC,
|
||||
updated=2013-10-10 18:17:56 UTC,
|
||||
tenant_id="b5bf8e689bc64844b1d08094a2f2bdd5",
|
||||
user_id="dbee88bc901b4593867c105b2b1ad15b",
|
||||
key_name=nil,
|
||||
fault=nil,
|
||||
config_drive="",
|
||||
os_dcf_disk_config="MANUAL",
|
||||
os_ext_srv_attr_host="devstack",
|
||||
os_ext_srv_attr_hypervisor_hostname="devstack",
|
||||
os_ext_srv_attr_instance_name="instance-00000016",
|
||||
os_ext_sts_power_state=1,
|
||||
os_ext_sts_task_state=nil,
|
||||
os_ext_sts_vm_state="active"
|
||||
>
|
||||
|
||||
## Create Server
|
||||
|
||||
If you are interested in creating a server utilizing ssh key authentication, you are recommended to use [bootstrap](#bootstrap) method.
|
||||
|
||||
To create a server:
|
||||
|
||||
flavor = service.flavors.first
|
||||
image = service.images.first
|
||||
server = service.servers.create(:name => 'fog-doc', :flavor_ref => flavor.id, :image_ref => image.id)
|
||||
|
||||
**Note**: The `:name`, `:flavor_ref`, and `image_ref` attributes are required for server creation.
|
||||
|
||||
This will return a `Fog::Compute::OpenStack::Server` instance:
|
||||
|
||||
<Fog::Compute::OpenStack::Server
|
||||
id="81746324-94ab-44fb-9aa9-ee0b4d95fa34",
|
||||
instance_name=nil,
|
||||
addresses=nil,
|
||||
flavor=nil,
|
||||
host_id=nil,
|
||||
image=nil,
|
||||
metadata= <Fog::Compute::OpenStack::Metadata
|
||||
[]
|
||||
>,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/servers/81746324-94ab-44fb-9aa9-ee0b4d95fa34", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/servers/81746324-94ab-44fb-9aa9-ee0b4d95fa34", "rel"=>"bookmark"}],
|
||||
name="fog-doc",
|
||||
personality=nil,
|
||||
progress=nil,
|
||||
accessIPv4=nil,
|
||||
accessIPv6=nil,
|
||||
availability_zone=nil,
|
||||
user_data_encoded=nil,
|
||||
state=nil,
|
||||
created=nil,
|
||||
updated=nil,
|
||||
tenant_id=nil,
|
||||
user_id=nil,
|
||||
key_name=nil,
|
||||
fault=nil,
|
||||
config_drive=nil,
|
||||
os_dcf_disk_config="MANUAL",
|
||||
os_ext_srv_attr_host=nil,
|
||||
os_ext_srv_attr_hypervisor_hostname=nil,
|
||||
os_ext_srv_attr_instance_name=nil,
|
||||
os_ext_sts_power_state=nil,
|
||||
os_ext_sts_task_state=nil,
|
||||
os_ext_sts_vm_state=nil
|
||||
>
|
||||
|
||||
Notice that your server contains several `nil` attributes. To see the latest status, reload the instance as follows:
|
||||
|
||||
server.reload
|
||||
|
||||
You can see that the server is currently being built:
|
||||
|
||||
<Fog::Compute::OpenStack::Server
|
||||
id="5f50aeff-a745-4cbc-9f8b-0356142e6f95",
|
||||
instance_name=nil,
|
||||
addresses={"private"=>[{"OS-EXT-IPS-MAC:mac_addr"=>"fa:16:3e:71:0d:c4", "version"=>4, "addr"=>"10.0.0.2", "OS-EXT-IPS:type"=>"fixed"}]},
|
||||
flavor={"id"=>"1", "links"=>[{"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/flavors/1", "rel"=>"bookmark"}]},
|
||||
host_id="bb705edc279c520d97ad6fbd0b8e75a5c716388616f58e527d0ff633",
|
||||
image={"id"=>"821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "links"=>[{"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/images/821e2b73-5aed-4f9d-aaa7-2f4f297779f3", "rel"=>"bookmark"}]},
|
||||
metadata= <Fog::Compute::OpenStack::Metadata
|
||||
[]
|
||||
>,
|
||||
links=[{"href"=>"http://localhost:8774/v2/b5bf8e689bc64844b1d08094a2f2bdd5/servers/5f50aeff-a745-4cbc-9f8b-0356142e6f95", "rel"=>"self"}, {"href"=>"http://localhost:8774/b5bf8e689bc64844b1d08094a2f2bdd5/servers/5f50aeff-a745-4cbc-9f8b-0356142e6f95", "rel"=>"bookmark"}],
|
||||
name="fog-doc",
|
||||
personality=nil,
|
||||
progress=0,
|
||||
accessIPv4="",
|
||||
accessIPv6="",
|
||||
availability_zone="nova",
|
||||
user_data_encoded=nil,
|
||||
state="BUILD",
|
||||
created=2014-01-09 19:43:52 UTC,
|
||||
updated=2014-01-09 19:43:58 UTC,
|
||||
tenant_id="b5bf8e689bc64844b1d08094a2f2bdd5",
|
||||
user_id="dbee88bc901b4593867c105b2b1ad15b",
|
||||
key_name=nil,
|
||||
fault=nil,
|
||||
config_drive="",
|
||||
os_dcf_disk_config="MANUAL",
|
||||
os_ext_srv_attr_host="devstack",
|
||||
os_ext_srv_attr_hypervisor_hostname="devstack",
|
||||
os_ext_srv_attr_instance_name="instance-00000018",
|
||||
os_ext_sts_power_state=0,
|
||||
os_ext_sts_task_state="spawning",
|
||||
os_ext_sts_vm_state="building"
|
||||
>
|
||||
|
||||
You will be unable to perform any actions to this server until it reaches an `ACTIVE` state. Since this is true for most server actions, Fog provides the convenience method `wait_for`.
|
||||
|
||||
Fog can wait for the server to become ready as follows:
|
||||
|
||||
server.wait_for { ready? }
|
||||
|
||||
**Note**: The `Fog::Compute::OpenStack::Server` instance returned from the create method contains a `password` attribute. The `password` attribute will NOT be present in subsequent retrievals either through `service.servers` or `service.servers.get my_server_id`.
|
||||
|
||||
### Additional Parameters
|
||||
|
||||
The `create` method also supports the following key values:
|
||||
|
||||
<table>
|
||||
<tr>
|
||||
<th>Key</th>
|
||||
<th>Description</th>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>:metadata</td>
|
||||
<td>Hash containing server metadata.</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>:personality</td>
|
||||
<td>Array of files to be injected onto the server. Please refer to the Fog <a href="http://rubydoc.info/github/fog/fog/Fog/Compute/OpenStack/Server:personality">personality </a> API documentation for further information.</td>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
## Bootstrap
|
||||
|
||||
In addition to the `create` method, Fog provides a `bootstrap` method which creates a server and then performs the following actions via ssh:
|
||||
|
||||
1. Create `ROOT_USER/.ssh/authorized_keys` file using the ssh key specified in `:public_key_path`.
|
||||
2. Lock password for root user using `passwd -l root`.
|
||||
3. Create `ROOT_USER/attributes.json` file with the contents of `server.attributes`.
|
||||
4. Create `ROOT_USER/metadata.json` file with the contents of `server.metadata`.
|
||||
|
||||
**Note**: Unlike the `create` method, `bootstrap` is blocking method call. If non-blocking behavior is desired, developers should use the `:personality` parameter on the `create` method.
|
||||
|
||||
The following example demonstrates bootstraping a server:
|
||||
|
||||
service.servers.bootstrap :name => 'bootstrap-server',
|
||||
:flavor_id => service.flavors.first.id,
|
||||
:image_id => service.images.find {|img| img.name =~ /Ubuntu/}.id,
|
||||
:public_key_path => '~/.ssh/fog_rsa.pub',
|
||||
:private_key_path => '~/.ssh/fog_rsa'
|
||||
|
||||
**Note**: The `:name`, `:flavor_ref`, `:image_ref`, `:public_key_path`, `:private_key_path` are required for the `bootstrap` method.
|
||||
|
||||
The `bootstrap` method uses the same additional parameters as the `create` method. Refer to the [Additional Parameters](#additional-parameters) section for more information.
|
||||
|
||||
## SSH
|
||||
|
||||
Once a server has been created and set up for ssh key authentication, fog can execute remote commands as follows:
|
||||
|
||||
result = server.ssh ['pwd']
|
||||
|
||||
This will return the following:
|
||||
|
||||
[#<Fog::SSH::Result:0x1108241d0 @stderr="", @status=0, @stdout="/root\r\n", @command="pwd">]
|
||||
|
||||
**Note**: SSH key authentication can be set up using `bootstrap` method or by using the `:personality` attribute on the `:create` method. See [Bootstrap](#bootstrap) or [Create Server](#create-server) for more information.
|
||||
|
||||
## Delete Server
|
||||
|
||||
To delete a server:
|
||||
|
||||
server.destroy
|
||||
|
||||
**Note**: The server is not immediately destroyed, but it does occur shortly there after.
|
||||
|
||||
## Change Admin Password
|
||||
|
||||
To change the administrator password:
|
||||
|
||||
server.change_password "superSecure"
|
||||
|
||||
## Reboot
|
||||
|
||||
To perform a soft reboot:
|
||||
|
||||
server.reboot
|
||||
|
||||
To perform a hard reboot:
|
||||
|
||||
server.reboot 'HARD'
|
||||
|
||||
## Rebuild
|
||||
|
||||
Rebuild removes all data on the server and replaces it with the specified image. The id and all IP addresses remain the same.
|
||||
|
||||
The rebuild method has the following method signature:
|
||||
|
||||
def rebuild(image_ref, name, admin_pass=nil, metadata=nil, personality=nil)
|
||||
|
||||
A basic server build is as follows:
|
||||
|
||||
image = service.images.first
|
||||
server.rebuild(image.id, name)
|
||||
|
||||
## Resize
|
||||
|
||||
Resizing a server allows you to change the resources dedicated to the server.
|
||||
|
||||
To resize a server:
|
||||
|
||||
flavor = service.flavor[2]
|
||||
server.resize flavor.id
|
||||
|
||||
During the resize process the server will have a state of `RESIZE`. Once a server has completed resizing it will be in a `VERIFY_RESIZE` state.
|
||||
|
||||
You can use Fog's `wait_for` method to wait for this state as follows:
|
||||
|
||||
server.wait_for { server.status == 'VERIFY_RESIZE' }
|
||||
|
||||
|
||||
In this case, `wait_for` is waiting for the server to become `VERIFY_READY` and will raise an exception if we enter an `ACTIVE` or `ERROR` state.
|
||||
|
||||
Once a server enters the `VERIFY_RESIZE` we will need to call `confirm_resize` to confirm the server was properly resized or `revert_resize` to rollback to the old size/flavor.
|
||||
|
||||
**Note:** A server will automatically confirm resize after 24 hours.
|
||||
|
||||
To confirm resize:
|
||||
|
||||
server.confirm_resize
|
||||
|
||||
To revert to previous size/flavor:
|
||||
|
||||
server.revert_resize
|
||||
|
||||
## Create Image
|
||||
|
||||
To create an image of your server:
|
||||
|
||||
response = server.create_image "back-image-#{server.name}", :metadata => { :environment => 'development' }
|
||||
|
||||
You can use the second parameter to specify image metadata. This is an optional parameter.`
|
||||
|
||||
During the imaging process, the image state will be `SAVING`. The image is ready for use when when state `ACTIVE` is reached. Fog can use `wait_for` to wait for an active state as follows:
|
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|
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image_id = response.body["image"]["id"]
|
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image = service.images.get image_id
|
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image.wait_for { ready? }
|
||||
|
||||
## List Attached Volumes
|
||||
|
||||
To list Cloud Block Volumes attached to server:
|
||||
|
||||
server.volume_attachments
|
||||
|
||||
## Attach Volume
|
||||
|
||||
To attach volume using the volume id:
|
||||
|
||||
server.attach_volume "0e7a706c-340d-48b3-802d-192850387f93", "/dev/xvdb"
|
||||
|
||||
If the volume id is unknown you can look it up as follows:
|
||||
|
||||
volume = service.volumes.first
|
||||
server.attach_volume volume.id, "/dev/xvdb"
|
||||
|
||||
**Note** Valid device names are `/dev/xvd[a-p]`.
|
||||
|
||||
## Detach Volume
|
||||
|
||||
To detach a volume:
|
||||
|
||||
server.detach_volume volume.id
|
||||
|
||||
## Examples
|
||||
|
||||
Example code using Compute can be found [here](https://github.com/fog/fog/tree/master/lib/fog/openstack/examples/compute).
|
||||
|
||||
## Additional Resources
|
||||
|
||||
* [fog.io](http://fog.io/)
|
||||
* [Fog rdoc](http://rubydoc.info/gems/fog/)
|
||||
* [Fog Github repo](https://github.com/fog/fog)
|
||||
* [Fog Github Issues](https://github.com/fog/fog/issues)
|
||||
* [Excon Github repo](https://github.com/geemus/excon)
|
||||
* [OpenStack Compute API](http://docs.openstack.org/api/openstack-compute/2/content/)
|
||||
|
||||
## Support and Feedback
|
||||
|
||||
Your feedback is appreciated! If you have specific issues with the **fog** SDK, you should file an [issue via Github](https://github.com/fog/fog/issues).
|
||||
|
|
@ -17,6 +17,16 @@ module Fog
|
|||
attribute :metadata
|
||||
attribute :links
|
||||
attribute :name
|
||||
|
||||
# @!attribute [rw] personality
|
||||
# @note This attribute is only used for server creation. This field will be nil on subsequent retrievals.
|
||||
# @return [Hash] Hash containing data to inject into the file system of the cloud server instance during server creation.
|
||||
# @example To inject fog.txt into file system
|
||||
# :personality => [{ :path => '/root/fog.txt',
|
||||
# :contents => Base64.encode64('Fog was here!')
|
||||
# }]
|
||||
# @see #create
|
||||
# @see http://docs.openstack.org/api/openstack-compute/2/content/Server_Personality-d1e2543.html
|
||||
attribute :personality
|
||||
attribute :progress
|
||||
attribute :accessIPv4
|
||||
|
|
|
|||
|
|
@ -22,6 +22,19 @@ module Fog
|
|||
load(data)
|
||||
end
|
||||
|
||||
# Creates a new server and populates ssh keys
|
||||
# @return [Fog::Compute::OpenStack::Server]
|
||||
# @raise [Fog::Compute::OpenStack::NotFound] - HTTP 404
|
||||
# @raise [Fog::Compute::OpenStack::BadRequest] - HTTP 400
|
||||
# @raise [Fog::Compute::OpenStack::InternalServerError] - HTTP 500
|
||||
# @raise [Fog::Compute::OpenStack::ServiceError]
|
||||
# @example
|
||||
# service.servers.bootstrap :name => 'bootstrap-server',
|
||||
# :flavor_ref => service.flavors.first.id,
|
||||
# :image_ref => service.images.find {|img| img.name =~ /Ubuntu/}.id,
|
||||
# :public_key_path => '~/.ssh/fog_rsa.pub',
|
||||
# :private_key_path => '~/.ssh/fog_rsa'
|
||||
#
|
||||
def bootstrap(new_attributes = {})
|
||||
server = create(new_attributes)
|
||||
server.wait_for { ready? }
|
||||
|
|
|
|||
|
|
@ -250,8 +250,6 @@ This returns a collection of `Fog::Compute::RackspaceV2::Image` models:
|
|||
>,
|
||||
…
|
||||
|
||||
**Note**: In order to speed up access `service.images` does not retrieve all attribute values. To retrieve additional details you will either need to `reload` each individual image or use the request abstraction.
|
||||
|
||||
## Get Image
|
||||
|
||||
To retrieve individual image:
|
||||
|
|
@ -276,13 +274,11 @@ This returns an `Fog::Compute::RackspaceV2::Image` instance:
|
|||
links=[{"href"=>"https://ord.servers.api.rackspacecloud.com/v2/772045/images/8a3a9f96-b997-46fd-b7a8-a9e740796ffd", "rel"=>"self"}, {"href"=>"https://ord.servers.api.rackspacecloud.com/772045/images/8a3a9f96-b997-46fd-b7a8-a9e740796ffd", "rel"=>"bookmark"}, {"href"=>"https://ord.images.api.rackspacecloud.com/772045/images/8a3a9f96-b997-46fd-b7a8-a9e740796ffd", "type"=>"application/vnd.openstack.image", "rel"=>"alternate"}]
|
||||
>
|
||||
|
||||
**Note**: This request populates all Image attributes.
|
||||
|
||||
## List Flavors
|
||||
|
||||
To retrieve a list of available flavors:
|
||||
|
||||
service.images
|
||||
service.flavors
|
||||
|
||||
This returns a collection of `Fog::Compute::RackspaceV2::Flavor` models:
|
||||
|
||||
|
|
@ -305,8 +301,6 @@ This returns a collection of `Fog::Compute::RackspaceV2::Flavor` models:
|
|||
links=[{"href"=>"https://dfw.servers.api.rackspacecloud.com/v2/772045/flavors/3", "rel"=>"self"}, {"href"=>"https://dfw.servers.api.rackspacecloud.com/772045/flavors/3", "rel"=>"bookmark"}]
|
||||
>,
|
||||
…
|
||||
|
||||
**Note**: In order to speed up access `service.flavors` does not retrieve all attribute values. To retrieve additional details you will either need to `reload` each individual flavor or use the request abstraction.
|
||||
|
||||
|
||||
## Get Flavor
|
||||
|
|
@ -325,8 +319,6 @@ This returns a `Fog::Compute::RackspaceV2::Flavor` instance:
|
|||
vcpus=1,
|
||||
links=[{"href"=>"https://dfw.servers.api.rackspacecloud.com/v2/772045/flavors/2", "rel"=>"self"}, {"href"=>"https://dfw.servers.api.rackspacecloud.com/772045/flavors/2", "rel"=>"bookmark"}]
|
||||
>
|
||||
|
||||
**Note**: This request populates all Flavor attributes.
|
||||
|
||||
|
||||
## List Servers
|
||||
|
|
@ -486,7 +478,7 @@ The `create` method also supports the following key values:
|
|||
</tr>
|
||||
<tr>
|
||||
<td>:personality</td>
|
||||
<td>Array of files to be injected onto the server. Please refer to the Fog <a href="http://rubydoc.info/github/fog/fog/Fog/Compute/RackspaceV2/Servers:bootstrap">bootstrap </a> API documentation for further information.</td>
|
||||
<td>Array of files to be injected onto the server. Please refer to the Fog <a href="http://rubydoc.info/github/fog/fog/Fog/Compute/RackspaceV2/Server:personality">personality </a> API documentation for further information.</td>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue