680 lines
21 KiB
ReStructuredText
680 lines
21 KiB
ReStructuredText
.. -*- rst -*-
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.. TODO(sdague) parameter microversions need to be gone through in the
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response (request side should be good)
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.. needs:example_verification
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.. needs:body_verification
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===================
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Servers (servers)
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===================
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Lists, creates, shows details for, updates, and deletes servers.
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**Passwords**
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When you create a server, you can specify a password through the
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optional adminPass attribute. The password must meet the complexity
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requirements set by your OpenStack Compute provider. The server might
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enter an ``ERROR`` state if the complexity requirements are not met. In
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this case, a client might issue a change password action to reset the
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server password.
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If you do not specify a password, the API generates and assigns a random
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password that it returns in the response object. This password meets the
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security requirements set by the compute provider. For security reasons,
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subsequent GET calls do not require this password.
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**Server metadata**
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You can specify custom server metadata at server launch time. The
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maximum size for each metadata key-value pair is 255 bytes. The compute
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provider determines the maximum number of key-value pairs for each
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server. You can query this value through the ``maxServerMeta`` absolute
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limit.
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**Server networks**
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You can specify one or more networks to which the server connects at
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launch time. Users can also specify a specific port on the network or
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the fixed IP address to assign to the server interface.
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**Note**
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You can use both IPv4 and IPv6 addresses as access addresses and you
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can assign both addresses simultaneously. You can update access
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addresses after you create a server.
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**Server personality**
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To customize the personality of a server instance, you can inject data
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into its file system. For example, you might insert ssh keys, set
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configuration files, or store data that you want to retrieve from inside
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the instance. This customization method provides minimal launch-time
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personalization. If you require significant customization, create a
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custom image.
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Follow these guidelines when you inject files:
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- The maximum size of the file path data is 255 bytes.
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- Encode the file contents as a Base64 string. The compute provider
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determines the maximum size of the file contents. The image that you
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use to create the server determines this value.
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**Note**
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The maximum limit refers to the number of bytes in the decoded
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data and not to the number of characters in the encoded data.
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- The ``maxPersonality`` absolute limit defines the maximum number of
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file path and content pairs that you can supply. The compute provider
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determines this value.
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- The ``maxPersonalitySize`` absolute limit is a byte limit that
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applies to all images in the deployment. Providers can set additional
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per-image personality limits.
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The file injection might not occur until after the server builds and
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boots.
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After file injection, only system administrators can access personality
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files. For example, on Linux, all files have root as the owner and the
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root group as the group owner, and allow only user and group read access
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(``chmod 440``).
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**Server access addresses**
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In a hybrid environment, the underlying implementation might not control
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the IP address of a server. Instead, the access IP address might be part
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of the dedicated hardware; for example, a router/NAT device. In this
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case, you cannot use the addresses that the implementation provides to
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access the server from outside the local LAN. Instead, the API might
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assign a separate access address at creation time to provide access to
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the server. This address might not be directly bound to a network
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interface on the server and might not necessarily appear when you query
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the server addresses. However, clients should use an access address to
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access the server directly.
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List Servers
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============
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.. rest_method:: GET /v2.1/{tenant_id}/servers
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Lists IDs, names, and links for all servers.
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Servers contain a status attribute that indicates the current server
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state. You can filter on the server status when you complete a list
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servers request. The server status is returned in the response
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body. The possible server status values are:
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- ``ACTIVE``. The server is active.
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- ``BUILDING``. The server has not finished the original build process.
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- ``DELETED``. The server is permanently deleted.
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- ``ERROR``. The server is in error.
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- ``HARD_REBOOT``. The server is hard rebooting. This is equivalent to
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pulling the power plug on a physical server, plugging it back in,
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and rebooting it.
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- ``MIGRATING``. The server is being migrated to a new host.
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- ``PASSWORD``. The password is being reset on the server.
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- ``PAUSED``. In a paused state, the state of the server is stored in
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RAM. A paused server continues to run in frozen state.
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- ``REBOOT``. The server is in a soft reboot state. A reboot command
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was passed to the operating system.
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- ``REBUILD``. The server is currently being rebuilt from an image.
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- ``RESCUED``. The server is in rescue mode. A rescue image is running
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with the original server image attached.
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- ``RESIZED``. Server is performing the differential copy of data that
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changed during its initial copy. Server is down for this stage.
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- ``REVERT_RESIZE``. The resize or migration of a server failed for
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some reason. The destination server is being cleaned up and the
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original source server is restarting.
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- ``SOFT_DELETED``. The server is marked as deleted but the disk
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images are still available to restore.
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- ``STOPPED``. The server is powered off and the disk image still
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persists.
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- ``SUSPENDED``. The server is suspended, either by request or
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necessity. This status appears for only the XenServer/XCP, KVM, and
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ESXi hypervisors. Administrative users can suspend an instance if it
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is infrequently used or to perform system maintenance. When you
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suspend an instance, its VM state is stored on disk, all memory is
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written to disk, and the virtual machine is stopped. Suspending an
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instance is similar to placing a device in hibernation; memory and
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vCPUs become available to create other instances.
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- ``UNKNOWN``. The state of the server is unknown. Contact your cloud
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provider.
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- ``VERIFY_RESIZE``. System is awaiting confirmation that the server
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is operational after a move or resize.
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Normal response codes: 200
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Error response codes: badRequest(400), unauthorized(401),
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forbidden(403)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- tenant_id: tenant_id
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- limit: limit
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- marker: marker
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- sort_key: sort_key
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- sort_dir: sort_dir
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- changes-since: changes_since_server
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- image: image_query
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- flavor: flavor_query
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- name: server_name_query
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- status: server_status_query
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- ip: ip_query
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- reservation_id: reservation_id_query
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- all_tenants: all_tenants_query
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- deleted: deleted_query
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- ip6: ip6_query
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- tags: tags_query
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- tags-any: tags_any_query
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- not-tags: not_tags_query
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- not-tags-any: not_tags_any_query
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- servers: servers
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- id: server_id
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- links: links
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- name: server_name
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**Example List Servers: JSON response**
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.. literalinclude:: ../../doc/api_samples/servers/servers-list-resp.json
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:language: javascript
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Create Server
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=============
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.. rest_method:: POST /v2.1/{tenant_id}/servers
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Creates a server.
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The progress of this operation depends on the location of the
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requested image, network I/O, host load, selected flavor, and other
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factors.
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To check the progress of the request, make a ``GET /servers/{id}``
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request. This call returns a progress attribute, which is a percentage
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value from 0 to 100.
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The ``Location`` header returns the full URL to the newly created
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server and is available as a ``self`` and ``bookmark`` link in the
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server representation.
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When you create a server, the response shows only the server ID, its
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links, and the admin password. You can get additional attributes
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through subsequent ``GET`` requests on the server.
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Include the ``block-device-mapping-v2`` parameter in the create
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request body to boot a server from a volume.
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Include the ``key_name`` parameter in the create request body to add a
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keypair to the server when you create it. To create a keypair, make a
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`create keypair
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<http://developer.openstack.org/api-ref-compute-v2.1.html#createKeypair>`__
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request.
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Preconditions
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- The user must have sufficient server quota to create the number of
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servers requested.
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- The connection to the Image service is valid.
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Asynchronous postconditions
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- With correct permissions, you can see the server status as
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``ACTIVE`` through API calls.
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- With correct access, you can see the created server in the compute
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node that OpenStack Compute manages.
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Troubleshooting
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- If the server status remains ``BUILDING`` or shows another error
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status, the request failed. Ensure you meet the preconditions then
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investigate the compute node.
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- The server is not created in the compute node that OpenStack Compute
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manages.
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- The compute node needs enough free resource to match the resource of
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the server creation request.
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- Ensure that the scheduler selection filter can fulfill the request
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with the available compute nodes that match the selection criteria
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of the filter.
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Normal response codes: 202
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Error response codes: badRequest(400), unauthorized(401),
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forbidden(403), itemNotFound(404), conflict(409), entityTooLarge(413)
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..
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TODO(sdague): leave these notes for later when fixing the body
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language. They are commented out so they won't render, but are
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useful to not have to look this up again later.
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A conflict(409) is returned in the event of trying to allocated already
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allocated resources (such as networks) to the server in question.
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entityTooLarge(413) is returned if the ``user_data`` exceeds what is
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allowed by the backend.
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All other failure conditions map to 400, and will need to be
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disambiguated by the error string returned.
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- tenant_id: tenant_id
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- server: server
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- name: server_name
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- flavorRef: flavorRef
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- imageRef: imageRef
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- security_groups: security_groups
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- metadata: metadata
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- accessIPv4: accessIPv4_in
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- accessIPv6: accessIPv6_in
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- adminPass: adminPass
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- user_data: user_data
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- os-availability-zone:availability_zone: os-availability-zone:availability_zone
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- networks: networks
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- networks.uuid: network_uuid
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- networks.port: port
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- networks.fixed_ip: fixed_ip
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- personality: personality
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- block_device_mapping_v2: block_device_mapping_v2
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- block_device_mapping_v2.device_name: device_name
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- block_device_mapping_v2.source_type: source_type
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- block_device_mapping_v2.destination_type: destination_type
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- block_device_mapping_v2.delete_on_termination: delete_on_termination
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- block_device_mapping_v2.guest_format: guest_format
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- block_device_mapping_v2.boot_index: boot_index
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- config_drive: config_drive
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- key_name: key_name
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- os:scheduler_hints: os:scheduler_hints
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- OS-DCF:diskConfig: OS-DCF:diskConfig
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- description: server_description
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**Example Create Server: JSON request**
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.. literalinclude:: ../../doc/api_samples/servers/server-create-req.json
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:language: javascript
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- server: server
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- addresses: addresses
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- created: created
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- flavor: flavor
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- hostId: hostId
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- id: server_id
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- image: image
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- key_name: key_name_resp
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- links: links
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- metadata: metadata_compat
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- name: server_name
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- accessIPv4: accessIPv4
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- accessIPv6: accessIPv6
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- config_drive: config_drive_resp
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- OS-DCF:diskConfig: disk_config
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- OS-EXT-AZ:availability_zone: OS-EXT-AZ:availability_zone
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- OS-EXT-SRV-ATTR:host: OS-EXT-SRV-ATTR:host
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- OS-EXT-SRV-ATTR:hypervisor_hostname: OS-EXT-SRV-ATTR:hypervisor_hostname
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- OS-EXT-SRV-ATTR:instance_name: OS-EXT-SRV-ATTR:instance_name
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- OS-EXT-STS:power_state: OS-EXT-STS:power_state
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- OS-EXT-STS:task_state: OS-EXT-STS:task_state
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- OS-EXT-STS:vm_state: OS-EXT-STS:vm_state
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- os-extended-volumes:volumes_attached: os-extended-volumes:volumes_attached
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- OS-SRV-USG:launched_at: OS-SRV-USG:launched_at
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- OS-SRV-USG:terminated_at: OS-SRV-USG:terminated_at
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- progress: progress
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- security_groups: security_groups_obj
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- security_group.name: name
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- status: server_status
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- host_status: host_status
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- tenant_id: tenant_id_body
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- updated: updated
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- user_id: user_id
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**Example Create Server: JSON response**
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.. literalinclude:: ../../doc/api_samples/all_extensions/server-create-resp.json
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:language: javascript
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List Servers Detailed
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=====================
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.. rest_method:: GET /v2.1/{tenant_id}/servers/detail
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For each server, shows server details including configuration drive,
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extended status, and server usage information.
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The extended status information appears in the OS-EXT-STS:vm_state,
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OS-EXT-STS:power_state, and OS-EXT-STS:task_state attributes.
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The server usage information appears in the OS-SRV-USG:launched_at and
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OS-SRV-USG:terminated_at attributes.
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To hide addresses information for instances in a certain state, set
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the osapi_hide_server_address_states configuration option. Set this
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option to a valid VM state in the nova.conf configuration file.
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HostId is unique per account and is not globally unique.
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Normal response codes: 200
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Error response codes: badRequest(400), unauthorized(401),
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forbidden(403)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- tenant_id: tenant_id
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- limit: limit
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- marker: marker
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- sort_key: sort_key
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- sort_dir: sort_dir
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- changes-since: changes_since_server
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- image: image_query
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- flavor: flavor_query
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- name: server_name_query
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- status: server_status_query
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- ip: ip_query
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- reservation_id: reservation_id_query
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- all_tenants: all_tenants_query
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- deleted: deleted_query
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- ip6: ip6_query
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- tags: tags_query
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- tags-any: tags_any_query
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- not-tags: not_tags_query
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- not-tags-any: not_tags_any_query
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- server: server
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- addresses: addresses
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- created: created
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- flavor: flavor
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- hostId: hostId
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- id: server_id
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- image: image
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- key_name: key_name_resp
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- links: links
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- metadata: metadata_compat
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- name: server_name
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- accessIPv4: accessIPv4
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- accessIPv6: accessIPv6
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- config_drive: config_drive_resp
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- OS-DCF:diskConfig: disk_config
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- OS-EXT-AZ:availability_zone: OS-EXT-AZ:availability_zone
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- OS-EXT-SRV-ATTR:host: OS-EXT-SRV-ATTR:host
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- OS-EXT-SRV-ATTR:hypervisor_hostname: OS-EXT-SRV-ATTR:hypervisor_hostname
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- OS-EXT-SRV-ATTR:instance_name: OS-EXT-SRV-ATTR:instance_name
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- OS-EXT-STS:power_state: OS-EXT-STS:power_state
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- OS-EXT-STS:task_state: OS-EXT-STS:task_state
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- OS-EXT-STS:vm_state: OS-EXT-STS:vm_state
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- os-extended-volumes:volumes_attached: os-extended-volumes:volumes_attached
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- OS-SRV-USG:launched_at: OS-SRV-USG:launched_at
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- OS-SRV-USG:terminated_at: OS-SRV-USG:terminated_at
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- progress: progress
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- security_groups: security_groups_obj
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- security_group.name: name
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- status: server_status
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- host_status: host_status
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- tenant_id: tenant_id_body
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- updated: updated
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- user_id: user_id
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**Example List Servers Detailed: JSON response**
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.. literalinclude:: /../../doc/api_samples/all_extensions/servers-details-resp.json
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:language: javascript
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Show Server Details
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===================
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.. rest_method:: GET /v2.1/{tenant_id}/servers/{server_id}
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Shows details for a server.
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Includes server details including configuration drive, extended status, and server usage information.
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The extended status information appears in the ``OS-EXT-STS:vm_state``, ``OS-EXT-STS:power_state``, and ``OS-EXT-STS:task_state`` attributes.
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The server usage information appears in the ``OS-SRV-USG:launched_at`` and ``OS-SRV-USG:terminated_at`` attributes.
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To hide ``addresses`` information for instances in a certain state, set the ``osapi_hide_server_address_states`` configuration option. Set this option to a valid VM state in the ``nova.conf`` configuration file.
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HostId is unique peraccount and is not globally unique.
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Preconditions
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The server must exist.
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Normal response codes: 200
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Error response codes: unauthorized(401), forbidden(403),
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itemNotFound(404)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- tenant_id: tenant_id
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- server_id: server_id_path
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- server: server
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- addresses: addresses
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- created: created
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- flavor: flavor
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- hostId: hostId
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- id: server_id
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- image: image
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- key_name: key_name_resp
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- links: links
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- metadata: metadata_compat
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- name: server_name
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- accessIPv4: accessIPv4
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- accessIPv6: accessIPv6
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- config_drive: config_drive_resp
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- OS-DCF:diskConfig: disk_config
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- OS-EXT-AZ:availability_zone: OS-EXT-AZ:availability_zone
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- OS-EXT-SRV-ATTR:host: OS-EXT-SRV-ATTR:host
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- OS-EXT-SRV-ATTR:hypervisor_hostname: OS-EXT-SRV-ATTR:hypervisor_hostname
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- OS-EXT-SRV-ATTR:instance_name: OS-EXT-SRV-ATTR:instance_name
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- OS-EXT-STS:power_state: OS-EXT-STS:power_state
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- OS-EXT-STS:task_state: OS-EXT-STS:task_state
|
||
- OS-EXT-STS:vm_state: OS-EXT-STS:vm_state
|
||
- os-extended-volumes:volumes_attached: os-extended-volumes:volumes_attached
|
||
- OS-SRV-USG:launched_at: OS-SRV-USG:launched_at
|
||
- OS-SRV-USG:terminated_at: OS-SRV-USG:terminated_at
|
||
- progress: progress
|
||
- security_groups: security_groups_obj
|
||
- security_group.name: name
|
||
- status: server_status
|
||
- host_status: host_status
|
||
- tenant_id: tenant_id_body
|
||
- updated: updated
|
||
- user_id: user_id
|
||
|
||
**Example Show Server Details: JSON response**
|
||
|
||
.. literalinclude:: ../../doc/api_samples/all_extensions/server-get-resp.json
|
||
:language: javascript
|
||
|
||
Update Server
|
||
=============
|
||
|
||
.. rest_method:: PUT /v2.1/{tenant_id}/servers/{server_id}
|
||
|
||
Updates the editable attributes of an existing server.
|
||
|
||
Normal response codes: 200
|
||
|
||
Error response codes: badRequest(400), unauthorized(401),
|
||
forbidden(403), itemNotFound(404)
|
||
|
||
Request
|
||
-------
|
||
|
||
.. rest_parameters:: parameters.yaml
|
||
|
||
- tenant_id: tenant_id
|
||
- server_id: server_id_path
|
||
- accessIPv4: accessIPv4_in
|
||
- accessIPv6: accessIPv6_in
|
||
- name: server_name
|
||
- OS-DCF:diskConfig: OS-DCF:diskConfig
|
||
- description: server_description
|
||
|
||
**Example Update server name: JSON request**
|
||
|
||
.. literalinclude:: ../../doc/api_samples/servers/server-update-req.json
|
||
:language: javascript
|
||
|
||
..
|
||
TODO(sdague): split up the update examples to show them being used
|
||
separately.
|
||
|
||
**Example Update server IP addresses: JSON request**
|
||
|
||
.. literalinclude:: ../../doc/api_samples/servers/server-update-address-req.json
|
||
:language: javascript
|
||
|
||
**Example Update server OS-DCF:diskConfig parameter: JSON request**
|
||
|
||
.. literalinclude:: ../../doc/api_samples/servers/server-update-diskconfig-req.json
|
||
:language: javascript
|
||
|
||
Response
|
||
--------
|
||
|
||
.. rest_parameters:: parameters.yaml
|
||
|
||
- server: server
|
||
- addresses: addresses
|
||
- created: created
|
||
- flavor: flavor
|
||
- hostId: hostId
|
||
- id: server_id
|
||
- image: image
|
||
- key_name: key_name
|
||
- links: links
|
||
- metadata: metadata
|
||
- name: server_name
|
||
- accessIPv4: accessIPv4
|
||
- accessIPv6: accessIPv6
|
||
- OS-DCF:diskConfig: OS-DCF:diskConfig
|
||
- OS-EXT-AZ:availability_zone: OS-EXT-AZ:availability_zone
|
||
- OS-EXT-SRV-ATTR:host: OS-EXT-SRV-ATTR:host
|
||
- OS-EXT-SRV-ATTR:hypervisor_hostname: OS-EXT-SRV-ATTR:hypervisor_hostname
|
||
- OS-EXT-SRV-ATTR:instance_name: OS-EXT-SRV-ATTR:instance_name
|
||
- OS-EXT-STS:power_state: OS-EXT-STS:power_state
|
||
- OS-EXT-STS:task_state: OS-EXT-STS:task_state
|
||
- OS-EXT-STS:vm_state: OS-EXT-STS:vm_state
|
||
- os-extended-volumes:volumes_attached: os-extended-volumes:volumes_attached
|
||
- OS-SRV-USG:launched_at: OS-SRV-USG:launched_at
|
||
- OS-SRV-USG:terminated_at: OS-SRV-USG:terminated_at
|
||
- progress: progress
|
||
- security_groups: security_groups_obj
|
||
- security_group.name: name
|
||
- status: server_status
|
||
- host_status: host_status
|
||
- tenant_id: tenant_id
|
||
- updated: updated
|
||
- user_id: user_id
|
||
|
||
**Example Update server name: JSON response**
|
||
|
||
.. literalinclude:: ../../doc/api_samples/servers/server-update-resp.json
|
||
:language: javascript
|
||
|
||
Delete Server
|
||
=============
|
||
|
||
.. rest_method:: DELETE /v2.1/{tenant_id}/servers/{server_id}
|
||
|
||
Deletes a server.
|
||
|
||
Preconditions
|
||
|
||
- The server must exist.
|
||
- Anyone can delete a server when the status of the server is not
|
||
locked and when the policy allows.
|
||
- If the server is locked, you must have administrator privileges to
|
||
delete the server.
|
||
|
||
Asynchronous postconditions
|
||
|
||
- With correct permissions, you can see the server status as
|
||
``DELETED`` through API calls.
|
||
- The port attached to the server is deleted.
|
||
- The server does not appear in the list servers response.
|
||
- The server managed by OpenStack Compute is deleted on the compute
|
||
node.
|
||
|
||
Troubleshooting
|
||
|
||
- If server status remains in ``deleting`` status or another error
|
||
status, the request failed. Ensure that you meet the
|
||
preconditions. Then, investigate the compute back end.
|
||
- The request returns the HTTP 409 response code when the server is
|
||
locked even if you have correct permissions. Ensure that you meet the
|
||
preconditions then investigate the server status.
|
||
- The server managed by OpenStack Compute is not deleted from the
|
||
compute node.
|
||
|
||
Normal response codes: 204
|
||
|
||
Error response codes: unauthorized(401), forbidden(403),
|
||
itemNotFound(404), conflict(409)
|
||
|
||
..
|
||
TODO(sdague): for later phase of updating body.
|
||
|
||
conflict is returned under 2 conditions. When the instance is
|
||
locked, so can't be deleted, or if the instance is in some other
|
||
state which makes it not possible to delete.
|
||
|
||
|
||
Request
|
||
-------
|
||
|
||
.. rest_parameters:: parameters.yaml
|
||
|
||
- tenant_id: tenant_id
|
||
- server_id: server_id_path
|
||
|
||
Response
|
||
--------
|
||
|
||
There is no body content for the response of a successful DELETE query
|