Class: OvirtSDK4::HostService
- Inherits:
-
MeasurableService
- Object
- Service
- MeasurableService
- OvirtSDK4::HostService
- Defined in:
- lib/ovirtsdk4/services.rb,
lib/ovirtsdk4/services.rb
Instance Method Summary collapse
-
#activate(opts = {}) ⇒ Object
Activates the host for use, for example to run virtual machines.
-
#affinity_labels_service ⇒ AssignedAffinityLabelsService
List of scheduling labels assigned to this host.
-
#approve(opts = {}) ⇒ Object
Approve a pre-installed Hypervisor host for usage in the virtualization environment.
-
#approve_using_root_password(opts = {}) ⇒ Object
Approve the specified host to be added to the engine by using the root password (deprecated verb).
-
#approve_using_ssh(opts = {}) ⇒ Object
Approve the specified host to be added to the engine by using ssh authentication.
-
#commit_net_config(opts = {}) ⇒ Object
Marks the network configuration as good and persists it inside the host.
-
#deactivate(opts = {}) ⇒ Object
Deactivates the host to perform maintenance tasks.
-
#devices_service ⇒ HostDevicesService
A reference to the host devices service.
-
#enroll_certificate(opts = {}) ⇒ Object
Enrolls the certificate of the host.
-
#external_network_provider_configurations_service ⇒ ExternalNetworkProviderConfigurationsService
External network providers provisioned by the system on the host.
-
#fence(opts = {}) ⇒ Object
Controls the host’s power management device.
-
#fence_agents_service ⇒ FenceAgentsService
A reference to the fence agents service.
-
#force_select_spm(opts = {}) ⇒ Object
To manually set a host as the storage pool manager (SPM).
-
#get(opts = {}) ⇒ Host
Gets the host details.
-
#hooks_service ⇒ HostHooksService
A reference to the host hooks service.
-
#install(opts = {}) ⇒ Object
Installs the latest version of VDSM and related software on the host.
-
#install_using_root_password(opts = {}) ⇒ Object
Install VDSM and other packages required to get the host ready to be used in the engine providing the root password.
-
#install_using_ssh(opts = {}) ⇒ Object
Install VDSM and other packages required to get the host ready to be used in the engine providing the SSH password.
-
#iscsi_discover(opts = {}) ⇒ Object
Discovers iSCSI targets on the host, using the initiator details.
-
#iscsi_login(opts = {}) ⇒ Object
Login to iSCSI targets on the host, using the target details.
-
#katello_errata_service ⇒ KatelloErrataService
A reference to the service that can show the applicable errata available on the host.
-
#network_attachments_service ⇒ NetworkAttachmentsService
A reference to the network attachments service.
-
#nics_service ⇒ HostNicsService
A reference to the service that manages the network interface devices on the host.
-
#numa_nodes_service ⇒ HostNumaNodesService
A reference to the service that manage NUMA nodes for the host.
-
#permissions_service ⇒ AssignedPermissionsService
A reference to the host permission service.
-
#refresh(opts = {}) ⇒ Object
Refresh the host devices and capabilities.
-
#remove(opts = {}) ⇒ Object
Remove the host from the system.
-
#service(path) ⇒ Service
Locates the service corresponding to the given path.
-
#setup_networks(opts = {}) ⇒ Object
This method is used to change the configuration of the network interfaces of a host.
-
#statistics_service ⇒ StatisticsService
Locates the
statistics
service. -
#storage_connection_extensions_service ⇒ StorageServerConnectionExtensionsService
A reference to storage connection extensions.
-
#storage_service ⇒ HostStorageService
A reference to the service that manages the host’s storage.
-
#tags_service ⇒ AssignedTagsService
A reference to the host tags service.
-
#unmanaged_networks_service ⇒ UnmanagedNetworksService
A reference to unmanaged networks.
-
#unregistered_storage_domains_discover(opts = {}) ⇒ Object
Discovers the block Storage Domains which are candidates to be imported to the setup.
-
#update(host, opts = {}) ⇒ Host
Update the host properties.
-
#update_using_root_password(host, opts = {}) ⇒ Host
Update the specified host in the system.
-
#update_using_ssh(host, opts = {}) ⇒ Host
Updates the specified host in the system.
-
#upgrade(opts = {}) ⇒ Object
Upgrades VDSM and selected software on the host.
-
#upgrade_check(opts = {}) ⇒ Object
Check if there are upgrades available for the host.
Methods inherited from Service
Instance Method Details
#activate(opts = {}) ⇒ Object
Activates the host for use, for example to run virtual machines.
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# File 'lib/ovirtsdk4/services.rb', line 34728 def activate(opts = {}) internal_action(:activate, nil, ACTIVATE, opts) end |
#affinity_labels_service ⇒ AssignedAffinityLabelsService
List of scheduling labels assigned to this host.
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# File 'lib/ovirtsdk4/services.rb', line 35870 def affinity_labels_service @affinity_labels_service ||= AssignedAffinityLabelsService.new(self, 'affinitylabels') end |
#approve(opts = {}) ⇒ Object
Approve a pre-installed Hypervisor host for usage in the virtualization environment.
This action also accepts an optional cluster element to define the target cluster for this host.
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# File 'lib/ovirtsdk4/services.rb', line 34762 def approve(opts = {}) internal_action(:approve, nil, APPROVE, opts) end |
#approve_using_root_password(opts = {}) ⇒ Object
Approve the specified host to be added to the engine by using the root password (deprecated verb). This occurs when the host registers itself with the engine.
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# File 'lib/ovirtsdk4/services.rb', line 35670 def approve_using_root_password(opts = {}) internal_action(:approve, nil, APPROVE_USING_ROOT_PASSWORD, opts) end |
#approve_using_ssh(opts = {}) ⇒ Object
Approve the specified host to be added to the engine by using ssh authentication. This occurs when the host registers itself with the engine.
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# File 'lib/ovirtsdk4/services.rb', line 35782 def approve_using_ssh(opts = {}) internal_action(:approve, nil, APPROVE_USING_SSH, opts) end |
#commit_net_config(opts = {}) ⇒ Object
Marks the network configuration as good and persists it inside the host.
An API user commits the network configuration to persist a host network interface attachment or detachment, or persist the creation and deletion of a bonded interface.
Important
|
Networking configuration is only committed after the engine has established that host connectivity is not lost as a result of the configuration changes. If host connectivity is lost, the host requires a reboot and automatically reverts to the previous networking configuration. |
For example, to commit the network configuration of host with id 123
send a request like this:
POST /ovirt-engine/api/hosts/123/commitnetconfig
With a request body like this:
<action/>
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# File 'lib/ovirtsdk4/services.rb', line 34809 def commit_net_config(opts = {}) internal_action(:commitnetconfig, nil, COMMIT_NET_CONFIG, opts) end |
#deactivate(opts = {}) ⇒ Object
Deactivates the host to perform maintenance tasks.
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# File 'lib/ovirtsdk4/services.rb', line 34842 def deactivate(opts = {}) internal_action(:deactivate, nil, DEACTIVATE, opts) end |
#devices_service ⇒ HostDevicesService
A reference to the host devices service. Use this service to view the devices of the host object.
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# File 'lib/ovirtsdk4/services.rb', line 35879 def devices_service @devices_service ||= HostDevicesService.new(self, 'devices') end |
#enroll_certificate(opts = {}) ⇒ Object
Enrolls the certificate of the host. Useful in case you get a warning that it is about to expire or has already expired.
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# File 'lib/ovirtsdk4/services.rb', line 34869 def enroll_certificate(opts = {}) internal_action(:enrollcertificate, nil, ENROLL_CERTIFICATE, opts) end |
#external_network_provider_configurations_service ⇒ ExternalNetworkProviderConfigurationsService
External network providers provisioned by the system on the host.
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# File 'lib/ovirtsdk4/services.rb', line 35888 def external_network_provider_configurations_service @external_network_provider_configurations_service ||= ExternalNetworkProviderConfigurationsService.new(self, 'externalnetworkproviderconfigurations') end |
#fence(opts = {}) ⇒ Object
Controls the host’s power management device.
For example, to start the host. This can be done via:
#!/bin/sh -ex
url="https://engine.example.com/ovirt-engine/api"
user="admin@internal"
password="..."
curl \
--verbose \
--cacert /etc/pki/ovirt-engine/ca.pem \
--user "${user}:${password}" \
--request POST \
--header "Version: 4" \
--header "Content-Type: application/xml" \
--header "Accept: application/xml" \
--data '
<action>
<fence_type>start</fence_type>
</action>
' \
"${url}/hosts/123/fence"
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# File 'lib/ovirtsdk4/services.rb', line 34926 def fence(opts = {}) internal_action(:fence, :power_management, FENCE, opts) end |
#fence_agents_service ⇒ FenceAgentsService
A reference to the fence agents service. Use this service to manage fence and power management agents on the host object.
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# File 'lib/ovirtsdk4/services.rb', line 35898 def fence_agents_service @fence_agents_service ||= FenceAgentsService.new(self, 'fenceagents') end |
#force_select_spm(opts = {}) ⇒ Object
To manually set a host as the storage pool manager (SPM).
POST /ovirt-engine/api/hosts/123/forceselectspm
With a request body like this:
<action/>
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# File 'lib/ovirtsdk4/services.rb', line 34964 def force_select_spm(opts = {}) internal_action(:forceselectspm, nil, FORCE_SELECT_SPM, opts) end |
#get(opts = {}) ⇒ Host
Gets the host details.
GET /ovirt-engine/api/hosts/123
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# File 'lib/ovirtsdk4/services.rb', line 35018 def get(opts = {}) internal_get(GET, opts) end |
#hooks_service ⇒ HostHooksService
A reference to the host hooks service. Use this service to view the hooks available in the host object.
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# File 'lib/ovirtsdk4/services.rb', line 35907 def hooks_service @hooks_service ||= HostHooksService.new(self, 'hooks') end |
#install(opts = {}) ⇒ Object
Installs the latest version of VDSM and related software on the host.
The action also performs every configuration steps on the host which is done during adding host to the engine: kdump configuration, hosted-engine deploy, kernel options changes, etc.
The host type defines additional parameters for the action.
Example of installing a host, using curl
and JSON, plain:
curl \
--verbose \
--cacert /etc/pki/ovirt-engine/ca.pem \
--request PUT \
--header "Content-Type: application/json" \
--header "Accept: application/json" \
--header "Version: 4" \
--user "admin@internal:..." \
--data '
{
"root_password": "myrootpassword"
}
' \
"https://engine.example.com/ovirt-engine/api/hosts/123"
Example of installing a host, using curl
and JSON, with hosted engine components:
curl \
curl \
--verbose \
--cacert /etc/pki/ovirt-engine/ca.pem \
--request PUT \
--header "Content-Type: application/json" \
--header "Accept: application/json" \
--header "Version: 4" \
--user "admin@internal:..." \
--data '
{
"root_password": "myrootpassword"
}
' \
"https://engine.example.com/ovirt-engine/api/hosts/123?deploy_hosted_engine=true"
Important
|
Since version 4.1.2 of the engine when a host is reinstalled we override the host firewall definitions by default. |
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# File 'lib/ovirtsdk4/services.rb', line 35116 def install(opts = {}) internal_action(:install, nil, INSTALL, opts) end |
#install_using_root_password(opts = {}) ⇒ Object
Install VDSM and other packages required to get the host ready to be used in the engine providing the root password. This has been deprecated.
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# File 'lib/ovirtsdk4/services.rb', line 35720 def install_using_root_password(opts = {}) internal_action(:install, nil, INSTALL_USING_ROOT_PASSWORD, opts) end |
#install_using_ssh(opts = {}) ⇒ Object
Install VDSM and other packages required to get the host ready to be used in the engine providing the SSH password.
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# File 'lib/ovirtsdk4/services.rb', line 35832 def install_using_ssh(opts = {}) internal_action(:install, nil, INSTALL_USING_SSH, opts) end |
#iscsi_discover(opts = {}) ⇒ Object
Discovers iSCSI targets on the host, using the initiator details.
For example, to discover iSCSI targets available in myiscsi.example.com
,
from host 123
, send a request like this:
POST /ovirt-engine/api/hosts/123/iscsidiscover
With a request body like this:
<action>
<iscsi>
<address>myiscsi.example.com</address>
</iscsi>
</action>
The result will be like this:
<discovered_targets>
<iscsi_details>
<address>10.35.1.72</address>
<port>3260</port>
<portal>10.35.1.72:3260,1</portal>
<target>iqn.2015-08.com.tgt:444</target>
</iscsi_details>
</discovered_targets>
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# File 'lib/ovirtsdk4/services.rb', line 35185 def iscsi_discover(opts = {}) internal_action(:iscsidiscover, :iscsi_targets, ISCSI_DISCOVER, opts) end |
#iscsi_login(opts = {}) ⇒ Object
Login to iSCSI targets on the host, using the target details.
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# File 'lib/ovirtsdk4/services.rb', line 35214 def iscsi_login(opts = {}) internal_action(:iscsilogin, nil, ISCSI_LOGIN, opts) end |
#katello_errata_service ⇒ KatelloErrataService
A reference to the service that can show the applicable errata available on the host. This information is taken from Katello.
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# File 'lib/ovirtsdk4/services.rb', line 35917 def katello_errata_service @katello_errata_service ||= KatelloErrataService.new(self, 'katelloerrata') end |
#network_attachments_service ⇒ NetworkAttachmentsService
A reference to the network attachments service. You can use this service to attach Logical networks to host interfaces.
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# File 'lib/ovirtsdk4/services.rb', line 35927 def @network_attachments_service ||= NetworkAttachmentsService.new(self, 'networkattachments') end |
#nics_service ⇒ HostNicsService
A reference to the service that manages the network interface devices on the host.
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# File 'lib/ovirtsdk4/services.rb', line 35936 def nics_service @nics_service ||= HostNicsService.new(self, 'nics') end |
#numa_nodes_service ⇒ HostNumaNodesService
A reference to the service that manage NUMA nodes for the host.
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# File 'lib/ovirtsdk4/services.rb', line 35945 def numa_nodes_service @numa_nodes_service ||= HostNumaNodesService.new(self, 'numanodes') end |
#permissions_service ⇒ AssignedPermissionsService
A reference to the host permission service. Use this service to manage permissions on the host object.
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# File 'lib/ovirtsdk4/services.rb', line 35955 def @permissions_service ||= AssignedPermissionsService.new(self, 'permissions') end |
#refresh(opts = {}) ⇒ Object
Refresh the host devices and capabilities.
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# File 'lib/ovirtsdk4/services.rb', line 35240 def refresh(opts = {}) internal_action(:refresh, nil, REFRESH, opts) end |
#remove(opts = {}) ⇒ Object
Remove the host from the system.
#!/bin/sh -ex
url="https://engine.example.com/ovirt-engine/api"
user="admin@internal"
password="..."
curl \
--verbose \
--cacert /etc/pki/ovirt-engine/ca.pem \
--user "${user}:${password}" \
--request DELETE \
--header "Version: 4" \
"${url}/hosts/1ff7a191-2f3b-4eff-812b-9f91a30c3acc"
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# File 'lib/ovirtsdk4/services.rb', line 35282 def remove(opts = {}) internal_remove(REMOVE, opts) end |
#service(path) ⇒ Service
Locates the service corresponding to the given path.
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# File 'lib/ovirtsdk4/services.rb', line 36011 def service(path) if path.nil? || path == '' return self end if path == 'affinitylabels' return affinity_labels_service end if path.start_with?('affinitylabels/') return affinity_labels_service.service(path[15..-1]) end if path == 'devices' return devices_service end if path.start_with?('devices/') return devices_service.service(path[8..-1]) end if path == 'externalnetworkproviderconfigurations' return external_network_provider_configurations_service end if path.start_with?('externalnetworkproviderconfigurations/') return external_network_provider_configurations_service.service(path[38..-1]) end if path == 'fenceagents' return fence_agents_service end if path.start_with?('fenceagents/') return fence_agents_service.service(path[12..-1]) end if path == 'hooks' return hooks_service end if path.start_with?('hooks/') return hooks_service.service(path[6..-1]) end if path == 'katelloerrata' return katello_errata_service end if path.start_with?('katelloerrata/') return katello_errata_service.service(path[14..-1]) end if path == 'networkattachments' return end if path.start_with?('networkattachments/') return .service(path[19..-1]) end if path == 'nics' return nics_service end if path.start_with?('nics/') return nics_service.service(path[5..-1]) end if path == 'numanodes' return numa_nodes_service end if path.start_with?('numanodes/') return numa_nodes_service.service(path[10..-1]) end if path == 'permissions' return end if path.start_with?('permissions/') return .service(path[12..-1]) end if path == 'statistics' return statistics_service end if path.start_with?('statistics/') return statistics_service.service(path[11..-1]) end if path == 'storage' return storage_service end if path.start_with?('storage/') return storage_service.service(path[8..-1]) end if path == 'storageconnectionextensions' return storage_connection_extensions_service end if path.start_with?('storageconnectionextensions/') return storage_connection_extensions_service.service(path[28..-1]) end if path == 'tags' return end if path.start_with?('tags/') return .service(path[5..-1]) end if path == 'unmanagednetworks' return unmanaged_networks_service end if path.start_with?('unmanagednetworks/') return unmanaged_networks_service.service(path[18..-1]) end raise Error.new("The path \"#{path}\" doesn't correspond to any service") end |
#setup_networks(opts = {}) ⇒ Object
This method is used to change the configuration of the network interfaces of a host.
For example, if you have a host with three network interfaces eth0
, eth1
and eth2
and you want to configure
a new bond using eth0
and eth1
, and put a VLAN on top of it. Using a simple shell script and the curl
command line HTTP client that can be done as follows:
#!/bin/sh -ex
url="https://engine.example.com/ovirt-engine/api"
user="admin@internal"
password="..."
curl \
--verbose \
--cacert /etc/pki/ovirt-engine/ca.pem \
--user "${user}:${password}" \
--request POST \
--header "Version: 4" \
--header "Content-Type: application/xml" \
--header "Accept: application/xml" \
--data '
<action>
<modified_bonds>
<host_nic>
<name>bond0</name>
<bonding>
<options>
<option>
<name>mode</name>
<value>4</value>
</option>
<option>
<name>miimon</name>
<value>100</value>
</option>
</options>
<slaves>
<host_nic>
<name>eth1</name>
</host_nic>
<host_nic>
<name>eth2</name>
</host_nic>
</slaves>
</bonding>
</host_nic>
</modified_bonds>
<modified_network_attachments>
<network_attachment>
<network>
<name>myvlan</name>
</network>
<host_nic>
<name>bond0</name>
</host_nic>
<ip_address_assignments>
<assignment_method>static</assignment_method>
<ip_address_assignment>
<ip>
<address>192.168.122.10</address>
<netmask>255.255.255.0</netmask>
</ip>
</ip_address_assignment>
</ip_address_assignments>
<dns_resolver_configuration>
<name_servers>
<name_server>1.1.1.1</name_server>
<name_server>2.2.2.2</name_server>
</name_servers>
</dns_resolver_configuration>
</network_attachment>
</modified_network_attachments>
</action>
' \
"${url}/hosts/1ff7a191-2f3b-4eff-812b-9f91a30c3acc/setupnetworks"
Note
|
This is valid for version 4 of the API. In previous versions some elements were represented as XML
attributes instead of XML elements. In particular the options and ip elements were represented as follows:
|
<options name="mode" value="4"/>
<options name="miimon" value="100"/>
<ip address="192.168.122.10" netmask="255.255.255.0"/>
Using the Python SDK the same can be done with the following code:
# Find the service that manages the collection of hosts:
hosts_service = connection.system_service().hosts_service()
# Find the host:
host = hosts_service.list(search='name=myhost')[0]
# Find the service that manages the host:
host_service = hosts_service.host_service(host.id)
# Configure the network adding a bond with two slaves and attaching it to a
# network with an static IP address:
host_service.setup_networks(
modified_bonds=[
types.HostNic(
name='bond0',
bonding=types.Bonding(
options=[
types.Option(
name='mode',
value='4',
),
types.Option(
name='miimon',
value='100',
),
],
slaves=[
types.HostNic(
name='eth1',
),
types.HostNic(
name='eth2',
),
],
),
),
],
modified_network_attachments=[
types.NetworkAttachment(
network=types.Network(
name='myvlan',
),
host_nic=types.HostNic(
name='bond0',
),
ip_address_assignments=[
types.IpAddressAssignment(
assignment_method=types.BootProtocol.STATIC,
ip=types.Ip(
address='192.168.122.10',
netmask='255.255.255.0',
),
),
],
dns_resolver_configuration=types.DnsResolverConfiguration(
name_servers=[
'1.1.1.1',
'2.2.2.2',
],
),
),
],
)
# After modifying the network configuration it is very important to make it
# persistent:
host_service.commit_net_config()
Important
|
To make sure that the network configuration has been saved in the host, and that it will be applied when the host is rebooted, remember to call commitnetconfig. |
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# File 'lib/ovirtsdk4/services.rb', line 35498 def setup_networks(opts = {}) internal_action(:setupnetworks, nil, SETUP_NETWORKS, opts) end |
#statistics_service ⇒ StatisticsService
Locates the statistics
service.
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# File 'lib/ovirtsdk4/services.rb', line 35964 def statistics_service @statistics_service ||= StatisticsService.new(self, 'statistics') end |
#storage_connection_extensions_service ⇒ StorageServerConnectionExtensionsService
A reference to storage connection extensions.
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# File 'lib/ovirtsdk4/services.rb', line 35982 def storage_connection_extensions_service @storage_connection_extensions_service ||= StorageServerConnectionExtensionsService.new(self, 'storageconnectionextensions') end |
#storage_service ⇒ HostStorageService
A reference to the service that manages the host’s storage.
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# File 'lib/ovirtsdk4/services.rb', line 35973 def storage_service @storage_service ||= HostStorageService.new(self, 'storage') end |
#tags_service ⇒ AssignedTagsService
A reference to the host tags service. Use this service to manage tags on the host object.
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# File 'lib/ovirtsdk4/services.rb', line 35991 def @tags_service ||= AssignedTagsService.new(self, 'tags') end |
#unmanaged_networks_service ⇒ UnmanagedNetworksService
A reference to unmanaged networks.
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# File 'lib/ovirtsdk4/services.rb', line 36000 def unmanaged_networks_service @unmanaged_networks_service ||= UnmanagedNetworksService.new(self, 'unmanagednetworks') end |
#unregistered_storage_domains_discover(opts = {}) ⇒ Object
Discovers the block Storage Domains which are candidates to be imported to the setup. For FCP no arguments are required.
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# File 'lib/ovirtsdk4/services.rb', line 35530 def unregistered_storage_domains_discover(opts = {}) internal_action(:unregisteredstoragedomainsdiscover, :storage_domains, UNREGISTERED_STORAGE_DOMAINS_DISCOVER, opts) end |
#update(host, opts = {}) ⇒ Host
Update the host properties.
For example, to update a the kernel command line of a host send a request like this:
PUT /ovirt-engine/api/hosts/123
With request body like this:
<host>
<os>
<custom_kernel_cmdline>vfio_iommu_type1.allow_unsafe_interrupts=1</custom_kernel_cmdline>
</os>
</host>
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# File 'lib/ovirtsdk4/services.rb', line 35577 def update(host, opts = {}) internal_update(host, Host, UPDATE, opts) end |
#update_using_root_password(host, opts = {}) ⇒ Host
Update the specified host in the system. This is deprecated and is provided only for backwards compatibility.
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# File 'lib/ovirtsdk4/services.rb', line 35749 def update_using_root_password(host, opts = {}) internal_update(host, Host, UPDATE_USING_ROOT_PASSWORD, opts) end |
#update_using_ssh(host, opts = {}) ⇒ Host
Updates the specified host in the system.
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# File 'lib/ovirtsdk4/services.rb', line 35861 def update_using_ssh(host, opts = {}) internal_update(host, Host, UPDATE_USING_SSH, opts) end |
#upgrade(opts = {}) ⇒ Object
Upgrades VDSM and selected software on the host.
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# File 'lib/ovirtsdk4/services.rb', line 35611 def upgrade(opts = {}) internal_action(:upgrade, nil, UPGRADE, opts) end |
#upgrade_check(opts = {}) ⇒ Object
Check if there are upgrades available for the host. If there are upgrades available an icon will be displayed next to host status icon in the Administration Portal. Audit log messages are also added to indicate the availability of upgrades. The upgrade can be started from the webadmin or by using the upgrade host action.
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# File 'lib/ovirtsdk4/services.rb', line 35637 def upgrade_check(opts = {}) internal_action(:upgradecheck, nil, UPGRADE_CHECK, opts) end |