openstack.compute.v2.server

The Server Class

The Server class inherits from Resource.

class openstack.compute.v2.server.Server(_synchronized=False, connection=None, **attrs)

The base resource

Parameters:

  • _synchronized (bool) – This is not intended to be used directly. See new() and existing().

  • connection (openstack.connection.Connection) – Reference to the Connection being used. Defaults to None to allow Resource objects to be used without an active Connection, such as in unit tests. Use of self._connection in Resource code should protect itself with a check for None.

resource_key = 'server'

Singular form of key for resource.

resources_key = 'servers'

Plural form of key for resource.

base_path = '/servers'

The base part of the URI for this resource.

allow_create = True

Allow create operation for this resource.

allow_fetch = True

Allow get operation for this resource.

allow_commit = True

Allow update operation for this resource.

allow_delete = True

Allow delete operation for this resource.

allow_list = True

Allow list operation for this resource.

A list of dictionaries holding links relevant to this server.

addresses

A dictionary of addresses this server can be accessed through. The dictionary contains keys such as private and public, each containing a list of dictionaries for addresses of that type. The addresses are contained in a dictionary with keys addr and version, which is either 4 or 6 depending on the protocol of the IP address. Type: dict

admin_password

When a server is first created, it provides the administrator password.

attached_volumes

A list of an attached volumes. Each item in the list contains at least an “id” key to identify the specific volumes.

availability_zone

The name of the availability zone this server is a part of.

block_device_mapping

Enables fine grained control of the block device mapping for an instance. This is typically used for booting servers from volumes.

config_drive

Indicates whether or not a config drive was used for this server.

compute_host

The name of the compute host on which this instance is running. Appears in the response for administrative users only.

created_at

Timestamp of when the server was created.

description

The description of the server. Before microversion 2.19 this was set to the server name.

disk_config

The disk configuration. Either AUTO or MANUAL.

flavor_id

The flavor reference, as a ID or full URL, for the flavor to use for this server.

flavor

The flavor property as returned from server.

has_config_drive

Indicates whether a configuration drive enables metadata injection. Not all cloud providers enable this feature.

host_id

An ID representing the host of this server.

fault

A fault object. Only available when the server status is ERROR or DELETED and a fault occurred.

host_status

The host status.

hostname

The hostname set on the instance when it is booted. By default, it appears in the response for administrative users only.

hypervisor_hostname

The hypervisor host name. Appears in the response for administrative users only.

image_id

The image reference, as a ID or full URL, for the image to use for this server.

image

The image property as returned from server.

instance_name

The instance name. The Compute API generates the instance name from the instance name template. Appears in the response for administrative users only.

interface_ip

The address to use to connect to this server from the current calling context. This will be set to public_ipv6 if the calling host has routable ipv6 addresses, and to private_ipv4 if the Connection was created with private=True. Otherwise it will be set to public_ipv4.

kernel_id

The UUID of the kernel image when using an AMI. Will be null if not. By default, it appears in the response for administrative users only.

key_name

The name of an associated keypair

launch_index

When servers are launched via multiple create, this is the sequence in which the servers were launched. By default, it appears in the response for administrative users only.

launched_at

The timestamp when the server was launched.

locked_reason

The reason the server was locked, if any.

max_count

The maximum number of servers to create.

min_count

The minimum number of servers to create.

networks

A networks object. Required parameter when there are multiple networks defined for the tenant. When you do not specify the networks parameter, the server attaches to the only network created for the current tenant.

pinned_availability_zone

The availability zone requested during server creation OR pinned availability zone, which is configured using default_schedule_zone config option.

power_state

The power state of this server.

progress

While the server is building, this value represents the percentage of completion. Once it is completed, it will be 100. Type: int

project_id

The ID of the project this server is associated with.

private_v4

The private IPv4 address of this server

private_v6

The private IPv6 address of this server

public_v4

The public IPv4 address of this server

public_v6

The public IPv6 address of this server

ramdisk_id

The UUID of the ramdisk image when using an AMI. Will be null if not. By default, it appears in the response for administrative users only.

reservation_id

The reservation id for the server. This is an id that can be useful in tracking groups of servers created with multiple create, that will all have the same reservation_id. By default, it appears in the response for administrative users only.

root_device_name

The root device name for the instance By default, it appears in the response for administrative users only.

scheduler_hints

The dictionary of data to send to the scheduler.

security_groups

A list of applicable security groups. Each group contains keys for description, name, id, and rules.

server_groups

The UUIDs of the server groups to which the server belongs. Currently this can contain at most one entry.

status

The state this server is in. Valid values include ACTIVE, BUILDING, DELETED, ERROR, HARD_REBOOT, PASSWORD, PAUSED, REBOOT, REBUILD, RESCUED, RESIZED, REVERT_RESIZE, SHUTOFF, SOFT_DELETED, STOPPED, SUSPENDED, UNKNOWN, or VERIFY_RESIZE.

task_state

The task state of this server.

terminated_at

The timestamp when the server was terminated (if it has been).

trusted_image_certificates

A list of trusted certificate IDs, that were used during image signature verification to verify the signing certificate.

updated_at

Timestamp of when this server was last updated.

user_data

Configuration information or scripts to use upon launch. Must be Base64 encoded.

user_id

The ID of the owners of this server.

vm_state

The VM state of this server.

change_password(session, password)

Change the administrator password to the given password.

Parameters:

  • session – The session to use for making this request.

  • password – The new password.

Returns:

None

get_password(session)

Get the encrypted administrator password.

Parameters:

session – The session to use for making this request.

Returns:

The encrypted administrator password.

reboot(session, reboot_type)

Reboot server where reboot_type might be ‘SOFT’ or ‘HARD’.

Parameters:

  • session – The session to use for making this request.

  • reboot_type – The type of reboot. One of: SOFT, HARD.

Returns:

None

force_delete(session)

Force delete the server.

Parameters:

session – The session to use for making this request.

Returns:

None

rebuild(session, image, name=None, admin_password=None, preserve_ephemeral=None, access_ipv4=None, access_ipv6=None, metadata=None, user_data=None, key_name=None)

Rebuild the server with the given arguments.

Parameters:

  • session – The session to use for making this request.

  • image – The image to rebuild to. Either an ID or a Image instance.

  • name – A name to set on the rebuilt server. (Optional)

  • admin_password – An admin password to set on the rebuilt server. (Optional)

  • preserve_ephemeral – Whether to preserve the ephemeral drive during the rebuild. (Optional)

  • access_ipv4 – An IPv4 address that will be used to access the rebuilt server. (Optional)

  • access_ipv6 – An IPv6 address that will be used to access the rebuilt server. (Optional)

  • metadata – Metadata to set on the updated server. (Optional)

  • user_data – User data to set on the updated server. (Optional)

  • key_name – A key name to set on the updated server. (Optional)

Returns:

The updated server.

resize(session, flavor)

Resize server to flavor reference.

Parameters:

  • session – The session to use for making this request.

  • flavor – The server to resize to.

Returns:

None

confirm_resize(session)

Confirm the resize of the server.

Parameters:

session – The session to use for making this request.

Returns:

None

revert_resize(session)

Revert the resize of the server.

Parameters:

session – The session to use for making this request.

Returns:

None

create_image(session, name, metadata=None)

Create image from server.

Parameters:

  • session – The session to use for making this request.

  • name – The name to use for the created image.

  • metadata – Metadata to set on the created image. (Optional)

Returns:

None

add_security_group(session, security_group_name)

Add a security group to the server.

Parameters:

  • session – The session to use for making this request.

  • security_group_name – The security group to add to the server.

Returns:

None

remove_security_group(session, security_group_name)

Remove a security group from the server.

Parameters:

  • session – The session to use for making this request.

  • security_group_name – The security group to remove from the server.

Returns:

None

reset_state(session, state)

Reset server state.

This is admin-only by default.

Parameters:

  • session – The session to use for making this request.

  • state – The state to set on the server.

Returns:

None

add_fixed_ip(session, network_id)

Add a fixed IP to the server.

This is effectively an alias for adding a network.

Parameters:

  • session – The session to use for making this request.

  • network_id – The network to connect the server to.

Returns:

None

remove_fixed_ip(session, address)

Remove a fixed IP from the server.

This is effectively an alias from removing a port from the server.

Parameters:

  • session – The session to use for making this request.

  • network_id – The address to remove from the server.

Returns:

None

add_floating_ip(session, address, fixed_address=None)

Add a floating IP to the server.

Parameters:

  • session – The session to use for making this request.

  • address – The floating IP address to associate with the server.

  • fixed_address – A fixed IP address with which to associated the floating IP. (Optional)

Returns:

None

remove_floating_ip(session, address)

Remove a floating IP from the server.

Parameters:

  • session – The session to use for making this request.

  • address – The floating IP address to disassociate from the server.

Returns:

None

backup(session, name, backup_type, rotation)

Create a backup of the server.

Parameters:

  • session – The session to use for making this request.

  • name – The name to use for the backup image.

  • backup_type – The type of backup. The value and meaning of this atribute is user-defined and can be used to separate backups of different types. For example, this could be used to distinguish between daily and weekly backups.

  • rotation – The number of backups to retain. All images older than the rotation’th image will be deleted.

Returns:

None

pause(session)

Pause the server.

Parameters:

session – The session to use for making this request.

Returns:

None

unpause(session)

Unpause the server.

Parameters:

session – The session to use for making this request.

Returns:

None

suspend(session)

Suspend the server.

Parameters:

session – The session to use for making this request.

Returns:

None

resume(session)

Resume the server.

Parameters:

session – The session to use for making this request.

Returns:

None

lock(session, locked_reason=None)

Lock the server.

Parameters:

  • session – The session to use for making this request.

  • locked_reason – The reason for locking the server.

Returns:

None

unlock(session)

Unlock the server.

Parameters:

session – The session to use for making this request.

Returns:

None

rescue(session, admin_pass=None, image_ref=None)

Rescue the server.

This is admin-only by default.

Parameters:

  • session – The session to use for making this request.

  • admin_pass – A new admin password to set on the rescued server. (Optional)

  • image_ref – The image to use when rescuing the server. If not provided, the server will use the existing image. (Optional)

Returns:

None

unrescue(session)

Unrescue the server.

This is admin-only by default.

Parameters:

session – The session to use for making this request.

Returns:

None

evacuate(session, host=None, admin_pass=None, force=None)

Evacuate the server.

Parameters:

  • session – The session to use for making this request.

  • host – The host to evacuate the instance to. (Optional)

  • admin_pass – The admin password to set on the evacuated instance. (Optional)

  • force – Whether to force evacuation.

Returns:

None

start(session)

Start the server.

Parameters:

session – The session to use for making this request.

Returns:

None

stop(session)

Stop the server.

Parameters:

session – The session to use for making this request.

Returns:

None

restore(session)

Restore the server.

This is only supported if the server is soft-deleted. This is cloud-specific.

Parameters:

session – The session to use for making this request.

Returns:

None

shelve(session)

Shelve the server.

Parameters:

session – The session to use for making this request.

Returns:

None

shelve_offload(session)

Shelve-offload the server.

Parameters:

session – The session to use for making this request.

Returns:

None

unshelve(session, availability_zone=<object object>, host=None)

Unshelve the server.

Parameters:

  • session – The session to use for making this request.

  • availability_zone – If specified the instance will be unshelved to the availability_zone. If None is passed the instance defined availability_zone is unpin and the instance will be scheduled to any availability_zone (free scheduling). If not specified the instance will be unshelved to either its defined availability_zone or any availability_zone (free scheduling).

  • host – If specified the host to unshelve the instance.

migrate(session)

Migrate the server.

Parameters:

session – The session to use for making this request.

Returns:

None

trigger_crash_dump(session)

Trigger a crash dump for the server.

Parameters:

session – The session to use for making this request.

Returns:

None

get_console_output(session, length=None)

Get console output for the server.

Parameters:

  • session – The session to use for making this request.

  • length – The max length of the console output to return. (Optional)

Returns:

None

get_console_url(session, console_type)

Get the console URL for the server.

Parameters:

  • session – The session to use for making this request.

  • console_type – The type of console to return. This is cloud-specific. One of: novnc, xvpvnc, spice-html5, rdp-html5, serial.

Returns:

None

live_migrate(session, host, force, block_migration, disk_over_commit=False)

Live migrate the server.

Parameters:

  • session – The session to use for making this request.

  • host – The host to live migrate the server to. (Optional)

  • force – Whether to force the migration. (Optional)

  • block_migration – Whether to do block migration. One of: True, False, 'auto'. (Optional)

  • disk_over_commit – Whether to allow disk over-commit on the destination host. (Optional)

Returns:

None

fetch_topology(session)

Fetch the topology information for the server.

Parameters:

session – The session to use for making this request.

Returns:

None

fetch_security_groups(session)

Fetch security groups of the server.

Parameters:

session – The session to use for making this request.

Returns:

Updated Server instance.