Dell EMC SC: Add use_multipath_for_image_xfer
This change implements the documented best practice to use multipath with a Cinder deployment by setting a Cinder configuration setting to ensure that multipath is appropriately used by the Dell EMC SC iSCSI driver. Change-Id: Ie50e29bd96471110a3738e3fcccfb8af37cd31be
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@ -74,24 +74,29 @@
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# with volume_backend_name=$volume_backend_name key/value.
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# Defaults to false.
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#
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# [*use_multipath_for_image_xfer*]
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# (Optional) Enables multipath configuration.
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# Defaults to true.
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#
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define cinder::backend::dellsc_iscsi (
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$san_ip,
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$san_login,
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$san_password,
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$iscsi_ip_address,
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$dell_sc_ssn,
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$volume_backend_name = $name,
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$dell_sc_api_port = $::os_service_default,
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$dell_sc_server_folder = 'srv',
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$dell_sc_verify_cert = $::os_service_default,
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$dell_sc_volume_folder = 'vol',
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$iscsi_port = $::os_service_default,
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$excluded_domain_ip = $::os_service_default,
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$secondary_san_ip = $::os_service_default,
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$secondary_san_login = $::os_service_default,
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$secondary_san_password = $::os_service_default,
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$secondary_sc_api_port = $::os_service_default,
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$manage_volume_type = false,
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$volume_backend_name = $name,
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$dell_sc_api_port = $::os_service_default,
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$dell_sc_server_folder = 'srv',
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$dell_sc_verify_cert = $::os_service_default,
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$dell_sc_volume_folder = 'vol',
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$iscsi_port = $::os_service_default,
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$excluded_domain_ip = $::os_service_default,
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$secondary_san_ip = $::os_service_default,
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$secondary_san_login = $::os_service_default,
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$secondary_san_password = $::os_service_default,
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$secondary_sc_api_port = $::os_service_default,
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$manage_volume_type = false,
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$use_multipath_for_image_xfer = true,
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$extra_options = {},
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) {
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@ -109,22 +114,23 @@ default of \"vol\" and will be changed to the upstream OpenStack default in N-re
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$driver = 'dell_emc.sc.storagecenter_iscsi.SCISCSIDriver'
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cinder_config {
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"${name}/volume_backend_name": value => $volume_backend_name;
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"${name}/volume_driver": value => "cinder.volume.drivers.${driver}";
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"${name}/san_ip": value => $san_ip;
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"${name}/san_login": value => $san_login;
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"${name}/san_password": value => $san_password, secret => true;
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"${name}/iscsi_ip_address": value => $iscsi_ip_address;
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"${name}/dell_sc_ssn": value => $dell_sc_ssn;
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"${name}/dell_sc_api_port": value => $dell_sc_api_port;
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"${name}/dell_sc_server_folder": value => $dell_sc_server_folder;
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"${name}/dell_sc_verify_cert": value => $dell_sc_verify_cert;
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"${name}/dell_sc_volume_folder": value => $dell_sc_volume_folder;
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"${name}/iscsi_port": value => $iscsi_port;
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"${name}/secondary_san_ip": value => $secondary_san_ip;
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"${name}/secondary_san_login": value => $secondary_san_login;
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"${name}/secondary_san_password": value => $secondary_san_password, secret => true;
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"${name}/secondary_sc_api_port": value => $secondary_sc_api_port;
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"${name}/volume_backend_name": value => $volume_backend_name;
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"${name}/volume_driver": value => "cinder.volume.drivers.${driver}";
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"${name}/san_ip": value => $san_ip;
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"${name}/san_login": value => $san_login;
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"${name}/san_password": value => $san_password, secret => true;
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"${name}/iscsi_ip_address": value => $iscsi_ip_address;
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"${name}/dell_sc_ssn": value => $dell_sc_ssn;
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"${name}/dell_sc_api_port": value => $dell_sc_api_port;
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"${name}/dell_sc_server_folder": value => $dell_sc_server_folder;
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"${name}/dell_sc_verify_cert": value => $dell_sc_verify_cert;
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"${name}/dell_sc_volume_folder": value => $dell_sc_volume_folder;
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"${name}/iscsi_port": value => $iscsi_port;
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"${name}/secondary_san_ip": value => $secondary_san_ip;
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"${name}/secondary_san_login": value => $secondary_san_login;
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"${name}/secondary_san_password": value => $secondary_san_password, secret => true;
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"${name}/secondary_sc_api_port": value => $secondary_sc_api_port;
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"${name}/use_multipath_for_image_xfer": value => $use_multipath_for_image_xfer;
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}
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if $excluded_domain_ip {
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@ -0,0 +1,7 @@
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---
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features:
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- Added Dell EMC SC multipath support
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This change implements the documented best practice to use multipath
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with a Cinder deployment by setting a Cinder configuration setting
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to ensure that multipath is appropriately used by the Dell EMC
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SC iSCSI driver. Multipath is true by default.
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@ -18,16 +18,17 @@ describe 'cinder::backend::dellsc_iscsi' do
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let :default_params do
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{
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:dell_sc_api_port => '<SERVICE DEFAULT>',
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:dell_sc_server_folder => 'srv',
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:dell_sc_verify_cert => '<SERVICE DEFAULT>',
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:dell_sc_volume_folder => 'vol',
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:iscsi_port => '<SERVICE DEFAULT>',
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:excluded_domain_ip => '<SERVICE DEFAULT>',
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:secondary_san_ip => '<SERVICE DEFAULT>',
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:secondary_san_login => '<SERVICE DEFAULT>',
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:secondary_san_password => '<SERVICE DEFAULT>',
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:secondary_sc_api_port => '<SERVICE DEFAULT>',
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:dell_sc_api_port => '<SERVICE DEFAULT>',
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:dell_sc_server_folder => 'srv',
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:dell_sc_verify_cert => '<SERVICE DEFAULT>',
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:dell_sc_volume_folder => 'vol',
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:iscsi_port => '<SERVICE DEFAULT>',
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:excluded_domain_ip => '<SERVICE DEFAULT>',
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:secondary_san_ip => '<SERVICE DEFAULT>',
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:secondary_san_login => '<SERVICE DEFAULT>',
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:secondary_san_password => '<SERVICE DEFAULT>',
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:secondary_sc_api_port => '<SERVICE DEFAULT>',
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:use_multipath_for_image_xfer => 'true',
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}
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end
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@ -47,6 +48,7 @@ describe 'cinder::backend::dellsc_iscsi' do
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end
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is_expected.to contain_cinder_config("#{config_group_name}/volume_driver").with_value(
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'cinder.volume.drivers.dell_emc.sc.storagecenter_iscsi.SCISCSIDriver')
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is_expected.to contain_cinder_config("#{config_group_name}/use_multipath_for_image_xfer").with_value('true')
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end
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end
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