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14.8. Actions

14.8.1. Install VDSM Action
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Install VDSM and related software on the host. The host type defines additional parameters for the action.
  • Red Hat Enterprise Linux host - This host type requires a root_password element that refers to the password for the host's root user.
  • Red Hat Enterprise Virtualization Hypervisor host - This host type requires an image element that refers to an ISO file stored on the Red Hat Enterprise Virtualization Manager server.

Example 14.28. Action to install VDSM to a Red Hat Enterprise Linux host

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/install HTTP/1.1
Accept: application/xml
Content-type: application/xml

<action>
    <root_password>p@55w0Rd!</root_password>
</action>
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Example 14.29. Action to install VDSM to a Red Hat Enterprise Virtualization Hypervisor host

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/install HTTP/1.1
Accept: application/xml
Content-type: application/xml

<action>
    <image>/usr/share/rhev-hypervisor/rhev-hypervisor.iso</image>
</action>
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14.8.2. Activate Host Action
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Activate the host for use, such as running virtual machines.

Example 14.30. Action to activate a host

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/activate HTTP/1.1
Accept: application/xml
Content-type: application/xml

<action/>
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14.8.3. Host Network Setup Action
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Configure multiple network settings on a host. The setupnetworks action can be used for complex network configuration such as moving a network from one network interface to another.

Example 14.31. Action to edit host network configuration

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/setupnetworks HTTP/1.1
Accept: application/xml
Content-type: application/xml

<action>
    <modified_network_attachments>
        <network_attachment id="41561e1c-c653-4b45-b9c9-126630e8e3b9">
            <host_nic id="857a46d3-5f64-68bd-f456-c70de5b2d569"/>
        </network_attachment<
        <network_attachment id="3c3f442f-948b-4cdc-9a48-89bb0593cfbd">
            <network id="00000000-0000-0000-0000-000000000010"/>
            <ip address="10.35.1.247" netmask="255.255.254.0" gateway="10.35.1.254"/>
	    <properties>
		<property>
		    <name>bridge_opts</name>
		    <value>
			forward_delay=1500 group_fwd_mask=0x0 multicast_snooping=1
		    </value>
		</property>
	    </properties>
        </network_attachment>
    </modified_network_attachments>
    <synchronized_network_attachments>
        <network_attachment id="3c3f442f-948b-4cdc-9a48-89bb0593cfbd">
    </synchronized_network_attachments> 
    <removed_network_attachments>
        <network_attachment id="7f456dae-c57f-35d5-55a4-20b74dc53af9">
    </removed_network_attachments>
    <modified_bonds>
        <host_nic id="a56b212d-2bc4-4120-9136-53be6cacb39a">
	    <bonding>
		<slaves>
		    <host_nic id="75ac21f7-4aa3-405a-a022-341e5f525b85">
		    <host_nic id="f3dda04c-1233-41af-a111-74327b876487">
		</slaves>
	    </bonding>
        </host_nic>
    </modified_bonds>
    <removed_bonds>
        <host_nic id="36ab5c7f-647a-bc64-f5e7-ba5d74f8e4ba">
    </removed_bonds>
    <modified_labels>
        <label id="Label002">
	    <host_nic id="857a46d3-5f64-68bd-f456-c70de5b2d569"/>
        </label>
        <label>
	    <host_nic id="a56b212d-2bc4-4120-9136-53be6cacb39a"/>
	    <label id="Label003/>
        </label>
    </modified_labels>  
    <removed_labels>
        <label id="Label001">
    </removed_labels>
    <checkConnectivity>true</checkConnectivity>
    <connectivityTimeout>60</connectivityTimeout>
</action>
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This action updates all specified host network resources with standard NIC elements. The request includes additional elements specified in the following table.
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Table 14.14. Elements for multiple host network interface setup
Element Type Description
modified_bonds complex Creates or updates bonds. Each host_nic element contains standard bonding elements. See Section 14.7.2.2, “Bonded Interfaces”.
removed_bonds complex An ID list of bonds to remove.
modified_network_attachments complex Adds or updates network attachments on the host. Each network_attachment element contains standard host network_attachment elements. See Section 14.7.1, “Host Network Attachments Sub-Collection”. Changing the host_nic ID moves the network to a different network interface card.
synchronized_network_attachments complex An ID list of out-of-sync network attachments to synchronize with the logical network definition of the data center.
removed_network_attachments complex An ID list of network attachments to remove.
modified_labels complex Creates or modifies labels. Each label element contains a label id (when creating a label) and a host_nic identified by a name or ID. Changing the host_nic ID moves the label to a different network interface card.
removed_labels complex An ID list of labels to remove.
checkConnectivity Boolean Set to true to verify connectivity between the host and the Red Hat Enterprise Virtualization Manager. If the connectivity is lost, Red Hat Enterprise Virtualization Manager reverts the settings.
connectivityTimeout integer Defines the timeout for loss of connectivity.

14.8.4. Fence Host Action
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An API user controls a host's power management device with the fence action. The capabilities lists available fence_type options.

Example 14.32. Action to fence a host

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/fence
Accept: application/xml
Content-Type: application/xml

<action>
    <fence_type>start</fence_type>
</action>
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14.8.5. Deactivate Host Action
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Deactivate the host to perform maintenance tasks.

Example 14.33. Action to deactivate a host

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/deactivate HTTP/1.1
Accept: application/xml
Content-type: application/xml

<action/>
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14.8.6. Approve Host Action
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Approve a pre-installed Red Hat Enterprise Virtualization Hypervisor host for usage in the virtualization environment. This action also accepts an optional cluster element to define the target cluster for this host.

Example 14.34. Action to approve a host

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/approve HTTP/1.1
Accept: application/xml
Content-type: application/xml

<action>
    <cluster id="99408929-82cf-4dc7-a532-9d998063fa95"/>
</action>
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14.8.7. Host iSCSI Login Action
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The iscsilogin action enables a host to login to an iSCSI target. Logging into a target makes the contained LUNs available in the host_storage collection.

Example 14.35. Action to enable a host to login to iSCSI target

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/iscsilogin HTTP/1.1
Accept: application/xml
Content-Type: application/xml


<action>
    <iscsi>
        <address>mysan.example.com</address>
        <target>iqn.2009-08.com.example:mysan.foobar</target>
        <username>jimmy</username>
        <password>s3kr37</password>
    </iscsi>
</action>
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14.8.8. Host iSCSI Discover Action
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The iscsidiscover action enables an iSCSI portal to be queried for its list of targets.

Example 14.36. Action to query a list of targets for iSCSI portal

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/iscsidiscover HTTP/1.1
Accept: application/xml
Content-Type: application/xml

<action>
    <iscsi>
        <address>mysan.example.com</address>
        <port>3260</port>
    </iscsi>
</action>
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14.8.9. Commit Host Network Configuration Action
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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.

Example 14.37. Action to commit network configuration

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/commitnetconfig HTTP/1.1
Accept: application/xml
Content-type: application/xml

<action/>
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Important

Networking configuration is only committed after the Manager 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.

14.8.10. Setting SPM
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Manually set a host as the Storage Pool Manager (SPM).

Example 14.38. Action to Set Host as SPM

POST /api/hosts/2ab5e1da-b726-4274-bbf7-0a42b16a0fc3/forceselectspm HTTP/1.1
Accept: application/xml
Content-type: application/xml

<action/>
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