diff --git a/api_names_out.yaml b/api_names_out.yaml
index 8126b399b..48e921f9b 100644
--- a/api_names_out.yaml
+++ b/api_names_out.yaml
@@ -75375,6 +75375,10 @@
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1Instance/state": state
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1Instance/tenantProjectId": tenant_project_id
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1Instance/updateTime": update_time
+"/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata": google_cloud_saasaccelerator_management_providers_v1_node_slo_metadata
+"/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata/exclusions": exclusions
+"/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata/exclusions/exclusion": exclusion
+"/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata/nodeId": node_id
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata": google_cloud_saasaccelerator_management_providers_v1_notification_metadata
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata/rescheduled": rescheduled
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata/scheduledEndTime": scheduled_end_time
@@ -75395,6 +75399,8 @@
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata": google_cloud_saasaccelerator_management_providers_v1_slo_metadata
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/exclusions": exclusions
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/exclusions/exclusion": exclusion
+"/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/nodes": nodes
+"/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/nodes/node": node
 "/file:v1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/tier": tier
 "/file:v1/Instance": instance
 "/file:v1/Instance/createTime": create_time
@@ -75543,6 +75549,10 @@
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1Instance/state": state
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1Instance/tenantProjectId": tenant_project_id
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1Instance/updateTime": update_time
+"/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata": google_cloud_saasaccelerator_management_providers_v1_node_slo_metadata
+"/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata/exclusions": exclusions
+"/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata/exclusions/exclusion": exclusion
+"/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata/nodeId": node_id
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata": google_cloud_saasaccelerator_management_providers_v1_notification_metadata
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata/rescheduled": rescheduled
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata/scheduledEndTime": scheduled_end_time
@@ -75563,6 +75573,8 @@
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata": google_cloud_saasaccelerator_management_providers_v1_slo_metadata
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/exclusions": exclusions
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/exclusions/exclusion": exclusion
+"/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/nodes": nodes
+"/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/nodes/node": node
 "/file:v1beta1/GoogleCloudSaasacceleratorManagementProvidersV1SloMetadata/tier": tier
 "/file:v1beta1/Instance": instance
 "/file:v1beta1/Instance/createTime": create_time
diff --git a/generated/google/apis/cloudkms_v1.rb b/generated/google/apis/cloudkms_v1.rb
index 24ec69ea7..7179e308f 100644
--- a/generated/google/apis/cloudkms_v1.rb
+++ b/generated/google/apis/cloudkms_v1.rb
@@ -26,7 +26,7 @@ module Google
     # @see https://cloud.google.com/kms/
     module CloudkmsV1
       VERSION = 'V1'
-      REVISION = '20190321'
+      REVISION = '20190426'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/file_v1.rb b/generated/google/apis/file_v1.rb
index de15ca7b1..f33423509 100644
--- a/generated/google/apis/file_v1.rb
+++ b/generated/google/apis/file_v1.rb
@@ -25,7 +25,7 @@ module Google
     # @see https://cloud.google.com/filestore/
     module FileV1
       VERSION = 'V1'
-      REVISION = '20190416'
+      REVISION = '20190430'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/file_v1/classes.rb b/generated/google/apis/file_v1/classes.rb
index f22a4cc74..be86c6fc7 100644
--- a/generated/google/apis/file_v1/classes.rb
+++ b/generated/google/apis/file_v1/classes.rb
@@ -98,7 +98,9 @@ module Google
       # "foo": "bar"
       # `,
       # "state": READY,
-      # "software_version": "cloud-sql-09-28-2018",
+      # "software_versions": `
+      # "software_update": "cloud-sql-09-28-2018",
+      # `,
       # "maintenance_policy_names": `
       # "UpdatePolicy":
       # "projects/snapchat/locations/us-east1/maintenancePolicies/prod-update-
@@ -111,7 +113,7 @@ module Google
       # "rollout":
       # "projects/cloud-sql/locations/us-east1/rollouts/cloud-sql-09-28-2018-
       # canary",
-      # `
+      # `,
       # "projects/cloud-sql/locations/global/rolloutTypes/instance_restart": `
       # "release":
       # "projects/cloud-sql/locations/global/releases/cloud-sql-09-20-repair",
@@ -154,8 +156,7 @@ module Google
         # The key must be of the type name of the oneof policy name defined in
         # MaintenancePolicy, and the referenced policy must define the same policy
         # type. For complete details of MaintenancePolicy, please refer to
-        # //depot/google3/google/cloud/saasaccelerator/maintenancepolicy/api/v1/
-        # maintenance_policy_resources.proto
+        # go/cloud-saas-mw-ug.
         # Corresponds to the JSON property `maintenancePolicyNames`
         # @return [Hash<String,String>]
         attr_accessor :maintenance_policy_names
@@ -239,6 +240,39 @@ module Google
         end
       end
       
+      # Node information for custom per-node SLO implementations.
+      # SSA does not support per-node SLO, but producers can populate per-node
+      # information in SloMetadata for custom precomputations.
+      # SSA Eligibility Exporter will emit per-node metric based on this information.
+      class GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata
+        include Google::Apis::Core::Hashable
+      
+        # By default node is eligible if instance is eligible.
+        # But individual node might be excluded from SLO by adding entry here.
+        # For semantic see SloMetadata.exclusions.
+        # If both instance and node level exclusions are present for time period,
+        # the node level's reason will be reported by Eligibility Exporter.
+        # Corresponds to the JSON property `exclusions`
+        # @return [Array<Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion>]
+        attr_accessor :exclusions
+      
+        # The id of the node.
+        # This should be equal to SaasInstanceNode.node_id.
+        # Corresponds to the JSON property `nodeId`
+        # @return [String]
+        attr_accessor :node_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @exclusions = args[:exclusions] if args.key?(:exclusions)
+          @node_id = args[:node_id] if args.key?(:node_id)
+        end
+      end
+      
       # NotificationMetadata is the notification state for an instance.
       class GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata
         include Google::Apis::Core::Hashable
@@ -409,6 +443,15 @@ module Google
         # @return [Array<Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion>]
         attr_accessor :exclusions
       
+        # Optional: list of nodes.
+        # Some producers need to use per-node metadata to calculate SLO.
+        # This field allows such producers to publish per-node SLO meta data,
+        # which will be consumed by SSA Eligibility Exporter and published in the
+        # form of per node metric to Monarch.
+        # Corresponds to the JSON property `nodes`
+        # @return [Array<Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata>]
+        attr_accessor :nodes
+      
         # Name of the SLO tier the Instance belongs to. This name will be expected to
         # match the tiers specified in the service SLO configuration.
         # Field is mandatory and must not be empty.
@@ -423,6 +466,7 @@ module Google
         # Update properties of this object
         def update!(**args)
           @exclusions = args[:exclusions] if args.key?(:exclusions)
+          @nodes = args[:nodes] if args.key?(:nodes)
           @tier = args[:tier] if args.key?(:tier)
         end
       end
@@ -648,8 +692,8 @@ module Google
         # Output only.
         # IPv4 addresses in the format
         # `octet 1`.`octet 2`.`octet 3`.`octet 4` or IPv6 addresses in the format
-        # `block 1`:`block 2`:`block 3`:`block 4`:`block 5`:`block 6`:`block 7`:`block 8`
-        # .
+        # `block 1`:`block 2`:`block 3`:`block 4`:`block 5`:`block 6`:`block
+        # 7`:`block 8`.
         # Corresponds to the JSON property `ipAddresses`
         # @return [Array<String>]
         attr_accessor :ip_addresses
@@ -668,12 +712,12 @@ module Google
         attr_accessor :network
       
         # A /29 CIDR block in one of the
-        # [internal IP address ranges](https://www.arin.net/knowledge/address_filters.
-        # html)
-        # that identifies the range of IP addresses reserved for this
-        # instance. For example, 10.0.0.0/29 or 192.168.0.0/29. The range you specify
-        # can't overlap with either existing subnets or assigned IP address ranges
-        # for other Cloud Filestore instances in the selected VPC network.
+        # [internal IP address
+        # ranges](https://www.arin.net/knowledge/address_filters.html) that
+        # identifies the range of IP addresses reserved for this instance. For
+        # example, 10.0.0.0/29 or 192.168.0.0/29. The range you specify can't overlap
+        # with either existing subnets or assigned IP address ranges for other Cloud
+        # Filestore instances in the selected VPC network.
         # Corresponds to the JSON property `reservedIpRange`
         # @return [String]
         attr_accessor :reserved_ip_range
diff --git a/generated/google/apis/file_v1/representations.rb b/generated/google/apis/file_v1/representations.rb
index b5e6c8abc..a27c8c5d8 100644
--- a/generated/google/apis/file_v1/representations.rb
+++ b/generated/google/apis/file_v1/representations.rb
@@ -46,6 +46,12 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -171,6 +177,15 @@ module Google
         end
       end
       
+      class GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          collection :exclusions, as: 'exclusions', class: Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion, decorator: Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion::Representation
+      
+          property :node_id, as: 'nodeId'
+        end
+      end
+      
       class GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -214,6 +229,8 @@ module Google
         class Representation < Google::Apis::Core::JsonRepresentation
           collection :exclusions, as: 'exclusions', class: Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion, decorator: Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion::Representation
       
+          collection :nodes, as: 'nodes', class: Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata, decorator: Google::Apis::FileV1::GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata::Representation
+      
           property :tier, as: 'tier'
         end
       end
diff --git a/generated/google/apis/file_v1beta1.rb b/generated/google/apis/file_v1beta1.rb
index 9bb5cecd7..690c6d36e 100644
--- a/generated/google/apis/file_v1beta1.rb
+++ b/generated/google/apis/file_v1beta1.rb
@@ -25,7 +25,7 @@ module Google
     # @see https://cloud.google.com/filestore/
     module FileV1beta1
       VERSION = 'V1beta1'
-      REVISION = '20190416'
+      REVISION = '20190430'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/file_v1beta1/classes.rb b/generated/google/apis/file_v1beta1/classes.rb
index 6f50ad0dd..789044b10 100644
--- a/generated/google/apis/file_v1beta1/classes.rb
+++ b/generated/google/apis/file_v1beta1/classes.rb
@@ -98,7 +98,9 @@ module Google
       # "foo": "bar"
       # `,
       # "state": READY,
-      # "software_version": "cloud-sql-09-28-2018",
+      # "software_versions": `
+      # "software_update": "cloud-sql-09-28-2018",
+      # `,
       # "maintenance_policy_names": `
       # "UpdatePolicy":
       # "projects/snapchat/locations/us-east1/maintenancePolicies/prod-update-
@@ -111,7 +113,7 @@ module Google
       # "rollout":
       # "projects/cloud-sql/locations/us-east1/rollouts/cloud-sql-09-28-2018-
       # canary",
-      # `
+      # `,
       # "projects/cloud-sql/locations/global/rolloutTypes/instance_restart": `
       # "release":
       # "projects/cloud-sql/locations/global/releases/cloud-sql-09-20-repair",
@@ -154,8 +156,7 @@ module Google
         # The key must be of the type name of the oneof policy name defined in
         # MaintenancePolicy, and the referenced policy must define the same policy
         # type. For complete details of MaintenancePolicy, please refer to
-        # //depot/google3/google/cloud/saasaccelerator/maintenancepolicy/api/v1/
-        # maintenance_policy_resources.proto
+        # go/cloud-saas-mw-ug.
         # Corresponds to the JSON property `maintenancePolicyNames`
         # @return [Hash<String,String>]
         attr_accessor :maintenance_policy_names
@@ -239,6 +240,39 @@ module Google
         end
       end
       
+      # Node information for custom per-node SLO implementations.
+      # SSA does not support per-node SLO, but producers can populate per-node
+      # information in SloMetadata for custom precomputations.
+      # SSA Eligibility Exporter will emit per-node metric based on this information.
+      class GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata
+        include Google::Apis::Core::Hashable
+      
+        # By default node is eligible if instance is eligible.
+        # But individual node might be excluded from SLO by adding entry here.
+        # For semantic see SloMetadata.exclusions.
+        # If both instance and node level exclusions are present for time period,
+        # the node level's reason will be reported by Eligibility Exporter.
+        # Corresponds to the JSON property `exclusions`
+        # @return [Array<Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion>]
+        attr_accessor :exclusions
+      
+        # The id of the node.
+        # This should be equal to SaasInstanceNode.node_id.
+        # Corresponds to the JSON property `nodeId`
+        # @return [String]
+        attr_accessor :node_id
+      
+        def initialize(**args)
+           update!(**args)
+        end
+      
+        # Update properties of this object
+        def update!(**args)
+          @exclusions = args[:exclusions] if args.key?(:exclusions)
+          @node_id = args[:node_id] if args.key?(:node_id)
+        end
+      end
+      
       # NotificationMetadata is the notification state for an instance.
       class GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata
         include Google::Apis::Core::Hashable
@@ -409,6 +443,15 @@ module Google
         # @return [Array<Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion>]
         attr_accessor :exclusions
       
+        # Optional: list of nodes.
+        # Some producers need to use per-node metadata to calculate SLO.
+        # This field allows such producers to publish per-node SLO meta data,
+        # which will be consumed by SSA Eligibility Exporter and published in the
+        # form of per node metric to Monarch.
+        # Corresponds to the JSON property `nodes`
+        # @return [Array<Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata>]
+        attr_accessor :nodes
+      
         # Name of the SLO tier the Instance belongs to. This name will be expected to
         # match the tiers specified in the service SLO configuration.
         # Field is mandatory and must not be empty.
@@ -423,6 +466,7 @@ module Google
         # Update properties of this object
         def update!(**args)
           @exclusions = args[:exclusions] if args.key?(:exclusions)
+          @nodes = args[:nodes] if args.key?(:nodes)
           @tier = args[:tier] if args.key?(:tier)
         end
       end
@@ -648,8 +692,8 @@ module Google
         # Output only.
         # IPv4 addresses in the format
         # `octet 1`.`octet 2`.`octet 3`.`octet 4` or IPv6 addresses in the format
-        # `block 1`:`block 2`:`block 3`:`block 4`:`block 5`:`block 6`:`block 7`:`block 8`
-        # .
+        # `block 1`:`block 2`:`block 3`:`block 4`:`block 5`:`block 6`:`block
+        # 7`:`block 8`.
         # Corresponds to the JSON property `ipAddresses`
         # @return [Array<String>]
         attr_accessor :ip_addresses
@@ -668,12 +712,12 @@ module Google
         attr_accessor :network
       
         # A /29 CIDR block in one of the
-        # [internal IP address ranges](https://www.arin.net/knowledge/address_filters.
-        # html)
-        # that identifies the range of IP addresses reserved for this
-        # instance. For example, 10.0.0.0/29 or 192.168.0.0/29. The range you specify
-        # can't overlap with either existing subnets or assigned IP address ranges
-        # for other Cloud Filestore instances in the selected VPC network.
+        # [internal IP address
+        # ranges](https://www.arin.net/knowledge/address_filters.html) that
+        # identifies the range of IP addresses reserved for this instance. For
+        # example, 10.0.0.0/29 or 192.168.0.0/29. The range you specify can't overlap
+        # with either existing subnets or assigned IP address ranges for other Cloud
+        # Filestore instances in the selected VPC network.
         # Corresponds to the JSON property `reservedIpRange`
         # @return [String]
         attr_accessor :reserved_ip_range
diff --git a/generated/google/apis/file_v1beta1/representations.rb b/generated/google/apis/file_v1beta1/representations.rb
index c9a010a9d..8d8526adf 100644
--- a/generated/google/apis/file_v1beta1/representations.rb
+++ b/generated/google/apis/file_v1beta1/representations.rb
@@ -46,6 +46,12 @@ module Google
         include Google::Apis::Core::JsonObjectSupport
       end
       
+      class GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata
+        class Representation < Google::Apis::Core::JsonRepresentation; end
+      
+        include Google::Apis::Core::JsonObjectSupport
+      end
+      
       class GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata
         class Representation < Google::Apis::Core::JsonRepresentation; end
       
@@ -171,6 +177,15 @@ module Google
         end
       end
       
+      class GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata
+        # @private
+        class Representation < Google::Apis::Core::JsonRepresentation
+          collection :exclusions, as: 'exclusions', class: Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion, decorator: Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion::Representation
+      
+          property :node_id, as: 'nodeId'
+        end
+      end
+      
       class GoogleCloudSaasacceleratorManagementProvidersV1NotificationMetadata
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
@@ -214,6 +229,8 @@ module Google
         class Representation < Google::Apis::Core::JsonRepresentation
           collection :exclusions, as: 'exclusions', class: Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion, decorator: Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1SloExclusion::Representation
       
+          collection :nodes, as: 'nodes', class: Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata, decorator: Google::Apis::FileV1beta1::GoogleCloudSaasacceleratorManagementProvidersV1NodeSloMetadata::Representation
+      
           property :tier, as: 'tier'
         end
       end
diff --git a/generated/google/apis/oslogin_v1.rb b/generated/google/apis/oslogin_v1.rb
index d42478aa7..351584f37 100644
--- a/generated/google/apis/oslogin_v1.rb
+++ b/generated/google/apis/oslogin_v1.rb
@@ -20,12 +20,13 @@ module Google
   module Apis
     # Cloud OS Login API
     #
-    # Manages OS login configuration for Google account users.
+    # You can use OS Login to manage access to your VM instances using IAM roles.
+    # For more information, read [OS Login](/compute/docs/oslogin/).
     #
     # @see https://cloud.google.com/compute/docs/oslogin/
     module OsloginV1
       VERSION = 'V1'
-      REVISION = '20190107'
+      REVISION = '20190429'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/oslogin_v1/service.rb b/generated/google/apis/oslogin_v1/service.rb
index f87136f61..dbfabec1d 100644
--- a/generated/google/apis/oslogin_v1/service.rb
+++ b/generated/google/apis/oslogin_v1/service.rb
@@ -22,7 +22,8 @@ module Google
     module OsloginV1
       # Cloud OS Login API
       #
-      # Manages OS login configuration for Google account users.
+      # You can use OS Login to manage access to your VM instances using IAM roles.
+      #  For more information, read [OS Login](/compute/docs/oslogin/).
       #
       # @example
       #    require 'google/apis/oslogin_v1'
diff --git a/generated/google/apis/oslogin_v1alpha.rb b/generated/google/apis/oslogin_v1alpha.rb
index 8450b48f1..bdf83734e 100644
--- a/generated/google/apis/oslogin_v1alpha.rb
+++ b/generated/google/apis/oslogin_v1alpha.rb
@@ -20,12 +20,13 @@ module Google
   module Apis
     # Cloud OS Login API
     #
-    # Manages OS login configuration for Google account users.
+    # You can use OS Login to manage access to your VM instances using IAM roles.
+    # For more information, read [OS Login](/compute/docs/oslogin/).
     #
     # @see https://cloud.google.com/compute/docs/oslogin/
     module OsloginV1alpha
       VERSION = 'V1alpha'
-      REVISION = '20190107'
+      REVISION = '20190429'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/oslogin_v1alpha/service.rb b/generated/google/apis/oslogin_v1alpha/service.rb
index d3dd2d8f9..20e028e38 100644
--- a/generated/google/apis/oslogin_v1alpha/service.rb
+++ b/generated/google/apis/oslogin_v1alpha/service.rb
@@ -22,7 +22,8 @@ module Google
     module OsloginV1alpha
       # Cloud OS Login API
       #
-      # Manages OS login configuration for Google account users.
+      # You can use OS Login to manage access to your VM instances using IAM roles.
+      #  For more information, read [OS Login](/compute/docs/oslogin/).
       #
       # @example
       #    require 'google/apis/oslogin_v1alpha'
diff --git a/generated/google/apis/oslogin_v1beta.rb b/generated/google/apis/oslogin_v1beta.rb
index a6ed23262..29d6237c1 100644
--- a/generated/google/apis/oslogin_v1beta.rb
+++ b/generated/google/apis/oslogin_v1beta.rb
@@ -20,12 +20,13 @@ module Google
   module Apis
     # Cloud OS Login API
     #
-    # Manages OS login configuration for Google account users.
+    # You can use OS Login to manage access to your VM instances using IAM roles.
+    # For more information, read [OS Login](/compute/docs/oslogin/).
     #
     # @see https://cloud.google.com/compute/docs/oslogin/
     module OsloginV1beta
       VERSION = 'V1beta'
-      REVISION = '20190107'
+      REVISION = '20190429'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/oslogin_v1beta/service.rb b/generated/google/apis/oslogin_v1beta/service.rb
index 025c0bfac..514302df3 100644
--- a/generated/google/apis/oslogin_v1beta/service.rb
+++ b/generated/google/apis/oslogin_v1beta/service.rb
@@ -22,7 +22,8 @@ module Google
     module OsloginV1beta
       # Cloud OS Login API
       #
-      # Manages OS login configuration for Google account users.
+      # You can use OS Login to manage access to your VM instances using IAM roles.
+      #  For more information, read [OS Login](/compute/docs/oslogin/).
       #
       # @example
       #    require 'google/apis/oslogin_v1beta'
diff --git a/generated/google/apis/youtube_partner_v1.rb b/generated/google/apis/youtube_partner_v1.rb
index 572e84df3..20401f973 100644
--- a/generated/google/apis/youtube_partner_v1.rb
+++ b/generated/google/apis/youtube_partner_v1.rb
@@ -25,7 +25,7 @@ module Google
     # @see https://developers.google.com/youtube/partner/
     module YoutubePartnerV1
       VERSION = 'V1'
-      REVISION = '20190423'
+      REVISION = '20190429'
 
       # View and manage your assets and associated content on YouTube
       AUTH_YOUTUBEPARTNER = 'https://www.googleapis.com/auth/youtubepartner'