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| Openstack for EPA: to be considered
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| 1. The compute nodes need to have a whitelist for the interfaces with SRIOV and passthrough enabled, and those interface are associated to a physical network label e.g. “physnet” in the file /etc/nova/nova.conf :
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| pci_passthrough_whitelist=[{"devname": "p3p1", "physical_network": "physnet"}, {"devname": "p3p2", "physical_network": "physnet"}]
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| 2. Update in the controller the file “/etc/neutron/plugins/ml2/ml2_conf.ini” to add “sriovnicswitch” to the mechanism_drivers
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| mechanism_drivers =openvswitch,sriovnicswitch
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| 3. Update in the controller the file “/etc/neutron/plugins/ml2/ml2_conf.ini” to set the vlans (e.g. from 2000 to 3000) to be used for the defined physical network label in the case of SR-IOV interfaces:
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| network_vlan_ranges =physnet:2000:3000
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| 4. Update in the controller the file “/etc/neutron/plugins/ml2/ml2_conf.ini” to allow the supported NIC vendor’s product ID
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| [ml2_sriov]
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| supported_pci_vendor_devs = 8086:10ed
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| 5. Update in the controller the file “/etc/nova/nova.conf” to allow proper scheduling of SR-IOV and Passthorugh devices, by adding the PciPassthroughFilter filter to the list of filters.
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| scheduler_available_filters=nova.scheduler.filters.all_filters
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| scheduler_default_filters=RetryFilter,AvailabilityZoneFilter,RamFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,CoreFilter, PciPassthroughFilter
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| Relevant links:
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| * https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/10/html-single/network_functions_virtualization_product_guide/
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| * https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/10/html-single/network_functions_virtualization_planning_guide/
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| * https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/10/html-single/network_functions_virtualization_configuration_guide/
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| * https://docs.openstack.org/newton/networking-guide/config-sriov.html
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| When adding Openstack to OSM, new things need to be considered:
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| * How to use availability zones
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| --config='{use_floating_ip: True, availability_zone: [zone1, zone2]}'
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| * New parameter microversion for Device Role Tagging. Potential text below:
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| Allows specifiying an specific microversion to be used in nova. In order to allow 'Device Role Tagging' functionality use 'microversion: 2.32'. This functionality was introduced in Newton so it would not work for older vims. This implementation approach is due to the warning message in https://developer.openstack.org/api-guide/compute/microversions.html where it is stated that microversion backwards compatibility is not guaranteed and clients should always require an specific microversion.
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