Synchronize new proto changes.
diff --git a/google/cloud/oslogin/common.proto b/google/cloud/oslogin/common.proto
new file mode 100644
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+++ b/google/cloud/oslogin/common.proto
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+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.oslogin.common;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/cloud/oslogin/common;common";
+option java_outer_classname = "OsLoginProto";
+option java_package = "com.google.cloud.oslogin.common";
+
+
+// The POSIX account information associated with a Google account.
+message PosixAccount {
+  // Only one POSIX account can be marked as primary.
+  bool primary = 1;
+
+  // The username of the POSIX account.
+  string username = 2;
+
+  // The user ID.
+  int64 uid = 3;
+
+  // The default group ID.
+  int64 gid = 4;
+
+  // The path to the home directory for this account.
+  string home_directory = 5;
+
+  // The path to the logic shell for this account.
+  string shell = 6;
+
+  // The GECOS (user information) entry for this account.
+  string gecos = 7;
+
+  // System identifier for which account the username or uid applies to.
+  // By default, the empty value is used.
+  string system_id = 8;
+
+  // Output only. A POSIX account identifier.
+  string account_id = 9;
+}
+
+// The SSH public key information associated with a Google account.
+message SshPublicKey {
+  // Public key text in SSH format, defined by
+  // <a href="https://www.ietf.org/rfc/rfc4253.txt" target="_blank">RFC4253</a>
+  // section 6.6.
+  string key = 1;
+
+  // An expiration time in microseconds since epoch.
+  int64 expiration_time_usec = 2;
+
+  // Output only. The SHA-256 fingerprint of the SSH public key.
+  string fingerprint = 3;
+}
diff --git a/google/cloud/oslogin/oslogin.yaml b/google/cloud/oslogin/oslogin.yaml
new file mode 100644
index 0000000..67af7a3
--- /dev/null
+++ b/google/cloud/oslogin/oslogin.yaml
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+type: google.api.Service
+config_version: 3
+name: oslogin.googleapis.com
+title: Google Cloud OS Login API
+
+apis:
+- name: google.cloud.oslogin.v1alpha.OsLoginService
+- name: google.cloud.oslogin.v1beta.OsLoginService
+
+documentation:
+  summary: Manages OS login configuration for Google account users.
+
+backend:
+  rules:
+  - selector: google.cloud.oslogin.v1alpha.OsLoginService.DeletePosixAccount
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1alpha.OsLoginService.DeleteSshPublicKey
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1alpha.OsLoginService.GetLoginProfile
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1alpha.OsLoginService.GetSshPublicKey
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1alpha.OsLoginService.ImportSshPublicKey
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1alpha.OsLoginService.UpdateSshPublicKey
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1beta.OsLoginService.DeletePosixAccount
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1beta.OsLoginService.DeleteSshPublicKey
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1beta.OsLoginService.GetLoginProfile
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1beta.OsLoginService.GetSshPublicKey
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1beta.OsLoginService.ImportSshPublicKey
+    deadline: 10.0
+  - selector: google.cloud.oslogin.v1beta.OsLoginService.UpdateSshPublicKey
+    deadline: 10.0
+
+authentication:
+  rules:
+  - selector: '*'
+    oauth:
+      canonical_scopes: |-
+        https://www.googleapis.com/auth/cloud-platform,
+        https://www.googleapis.com/auth/compute
+  - selector: google.cloud.oslogin.v1alpha.OsLoginService.GetLoginProfile
+    oauth:
+      canonical_scopes: |-
+        https://www.googleapis.com/auth/cloud-platform,
+        https://www.googleapis.com/auth/cloud-platform.read-only,
+        https://www.googleapis.com/auth/compute,
+        https://www.googleapis.com/auth/compute.readonly
+  - selector: google.cloud.oslogin.v1beta.OsLoginService.GetLoginProfile
+    oauth:
+      canonical_scopes: |-
+        https://www.googleapis.com/auth/cloud-platform,
+        https://www.googleapis.com/auth/cloud-platform.read-only,
+        https://www.googleapis.com/auth/compute,
+        https://www.googleapis.com/auth/compute.readonly
diff --git a/google/cloud/oslogin/v1alpha/oslogin.proto b/google/cloud/oslogin/v1alpha/oslogin.proto
new file mode 100644
index 0000000..806864a
--- /dev/null
+++ b/google/cloud/oslogin/v1alpha/oslogin.proto
@@ -0,0 +1,146 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.oslogin.v1alpha;
+
+import "google/api/annotations.proto";
+import "google/cloud/oslogin/common.proto";
+import "google/protobuf/empty.proto";
+import "google/protobuf/field_mask.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/cloud/oslogin/v1alpha;oslogin";
+option java_multiple_files = true;
+option java_outer_classname = "OsLoginProto";
+option java_package = "com.google.cloud.oslogin.v1alpha";
+
+
+// Cloud OS Login API
+//
+// The Cloud OS Login API allows you to manage users and their associated SSH
+// public keys for logging into virtual machines on Google Cloud Platform.
+service OsLoginService {
+  // Deletes a POSIX account.
+  rpc DeletePosixAccount(DeletePosixAccountRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = { delete: "/v1alpha/{name=users/*/projects/*}" };
+  }
+
+  // Deletes an SSH public key.
+  rpc DeleteSshPublicKey(DeleteSshPublicKeyRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = { delete: "/v1alpha/{name=users/*/sshPublicKeys/*}" };
+  }
+
+  // Retrieves the profile information used for logging in to a virtual machine
+  // on Google Compute Engine.
+  rpc GetLoginProfile(GetLoginProfileRequest) returns (LoginProfile) {
+    option (google.api.http) = { get: "/v1alpha/{name=users/*}/loginProfile" };
+  }
+
+  // Retrieves an SSH public key.
+  rpc GetSshPublicKey(GetSshPublicKeyRequest) returns (google.cloud.oslogin.common.SshPublicKey) {
+    option (google.api.http) = { get: "/v1alpha/{name=users/*/sshPublicKeys/*}" };
+  }
+
+  // Adds an SSH public key and returns the profile information. Default POSIX
+  // account information is set when no username and UID exist as part of the
+  // login profile.
+  rpc ImportSshPublicKey(ImportSshPublicKeyRequest) returns (ImportSshPublicKeyResponse) {
+    option (google.api.http) = { post: "/v1alpha/{parent=users/*}:importSshPublicKey" body: "ssh_public_key" };
+  }
+
+  // Updates an SSH public key and returns the profile information. This method
+  // supports patch semantics.
+  rpc UpdateSshPublicKey(UpdateSshPublicKeyRequest) returns (google.cloud.oslogin.common.SshPublicKey) {
+    option (google.api.http) = { patch: "/v1alpha/{name=users/*/sshPublicKeys/*}" body: "ssh_public_key" };
+  }
+}
+
+// The user profile information used for logging in to a virtual machine on
+// Google Compute Engine.
+message LoginProfile {
+  // A unique user ID for identifying the user.
+  string name = 1;
+
+  // The list of POSIX accounts associated with the Directory API user.
+  repeated google.cloud.oslogin.common.PosixAccount posix_accounts = 2;
+
+  // A map from SSH public key fingerprint to the associated key object.
+  map<string, google.cloud.oslogin.common.SshPublicKey> ssh_public_keys = 3;
+
+  // Indicates if the user is suspended.
+  bool suspended = 4;
+}
+
+// A request message for deleting a POSIX account entry.
+message DeletePosixAccountRequest {
+  // A reference to the POSIX account to update. POSIX accounts are identified
+  // by the project ID they are associated with. A reference to the POSIX
+  // account is in format `users/{user}/projects/{project}`.
+  string name = 1;
+}
+
+// A request message for deleting an SSH public key.
+message DeleteSshPublicKeyRequest {
+  // The fingerprint of the public key to update. Public keys are identified by
+  // their SHA-256 fingerprint. The fingerprint of the public key is in format
+  // `users/{user}/sshPublicKeys/{fingerprint}`.
+  string name = 1;
+}
+
+// A request message for retrieving the login profile information for a user.
+message GetLoginProfileRequest {
+  // The unique ID for the user in format `users/{user}`.
+  string name = 1;
+}
+
+// A request message for retrieving an SSH public key.
+message GetSshPublicKeyRequest {
+  // The fingerprint of the public key to retrieve. Public keys are identified
+  // by their SHA-256 fingerprint. The fingerprint of the public key is in
+  // format `users/{user}/sshPublicKeys/{fingerprint}`.
+  string name = 1;
+}
+
+// A request message for importing an SSH public key.
+message ImportSshPublicKeyRequest {
+  // The unique ID for the user in format `users/{user}`.
+  string parent = 1;
+
+  // The SSH public key and expiration time.
+  google.cloud.oslogin.common.SshPublicKey ssh_public_key = 2;
+
+  // The project ID of the Google Cloud Platform project.
+  string project_id = 3;
+}
+
+// A response message for importing an SSH public key.
+message ImportSshPublicKeyResponse {
+  // The login profile information for the user.
+  LoginProfile login_profile = 1;
+}
+
+// A request message for updating an SSH public key.
+message UpdateSshPublicKeyRequest {
+  // The fingerprint of the public key to update. Public keys are identified by
+  // their SHA-256 fingerprint. The fingerprint of the public key is in format
+  // `users/{user}/sshPublicKeys/{fingerprint}`.
+  string name = 1;
+
+  // The SSH public key and expiration time.
+  google.cloud.oslogin.common.SshPublicKey ssh_public_key = 2;
+
+  // Mask to control which fields get updated. Updates all if not present.
+  google.protobuf.FieldMask update_mask = 3;
+}
diff --git a/google/cloud/oslogin/v1beta/oslogin.proto b/google/cloud/oslogin/v1beta/oslogin.proto
new file mode 100644
index 0000000..19cb5ee
--- /dev/null
+++ b/google/cloud/oslogin/v1beta/oslogin.proto
@@ -0,0 +1,147 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.oslogin.v1beta;
+
+import "google/api/annotations.proto";
+import "google/cloud/oslogin/common.proto";
+import "google/protobuf/empty.proto";
+import "google/protobuf/field_mask.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/cloud/oslogin/v1beta;oslogin";
+option java_multiple_files = true;
+option java_outer_classname = "OsLoginProto";
+option java_package = "com.google.cloud.oslogin.v1beta";
+
+
+// Cloud OS Login API
+//
+// The Cloud OS Login API allows you to manage users and their associated SSH
+// public keys for logging into virtual machines on Google Cloud Platform.
+service OsLoginService {
+  // Deletes a POSIX account.
+  rpc DeletePosixAccount(DeletePosixAccountRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = { delete: "/v1beta/{name=users/*/projects/*}" };
+  }
+
+  // Deletes an SSH public key.
+  rpc DeleteSshPublicKey(DeleteSshPublicKeyRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = { delete: "/v1beta/{name=users/*/sshPublicKeys/*}" };
+  }
+
+  // Retrieves the profile information used for logging in to a virtual machine
+  // on Google Compute Engine.
+  rpc GetLoginProfile(GetLoginProfileRequest) returns (LoginProfile) {
+    option (google.api.http) = { get: "/v1beta/{name=users/*}/loginProfile" };
+  }
+
+  // Retrieves an SSH public key.
+  rpc GetSshPublicKey(GetSshPublicKeyRequest) returns (google.cloud.oslogin.common.SshPublicKey) {
+    option (google.api.http) = { get: "/v1beta/{name=users/*/sshPublicKeys/*}" };
+  }
+
+  // Adds an SSH public key and returns the profile information. Default POSIX
+  // account information is set when no username and UID exist as part of the
+  // login profile.
+  rpc ImportSshPublicKey(ImportSshPublicKeyRequest) returns (ImportSshPublicKeyResponse) {
+    option (google.api.http) = { post: "/v1beta/{parent=users/*}:importSshPublicKey" body: "ssh_public_key" };
+  }
+
+  // Updates an SSH public key and returns the profile information. This method
+  // supports patch semantics.
+  rpc UpdateSshPublicKey(UpdateSshPublicKeyRequest) returns (google.cloud.oslogin.common.SshPublicKey) {
+    option (google.api.http) = { patch: "/v1beta/{name=users/*/sshPublicKeys/*}" body: "ssh_public_key" };
+  }
+}
+
+// The user profile information used for logging in to a virtual machine on
+// Google Compute Engine.
+message LoginProfile {
+  // The primary email address that uniquely identifies the user.
+  string name = 1;
+
+  // The list of POSIX accounts associated with the user.
+  repeated google.cloud.oslogin.common.PosixAccount posix_accounts = 2;
+
+  // A map from SSH public key fingerprint to the associated key object.
+  map<string, google.cloud.oslogin.common.SshPublicKey> ssh_public_keys = 3;
+
+  // Indicates if the user is suspended. A suspended user cannot log in but
+  // their profile information is retained.
+  bool suspended = 4;
+}
+
+// A request message for deleting a POSIX account entry.
+message DeletePosixAccountRequest {
+  // A reference to the POSIX account to update. POSIX accounts are identified
+  // by the project ID they are associated with. A reference to the POSIX
+  // account is in format `users/{user}/projects/{project}`.
+  string name = 1;
+}
+
+// A request message for deleting an SSH public key.
+message DeleteSshPublicKeyRequest {
+  // The fingerprint of the public key to update. Public keys are identified by
+  // their SHA-256 fingerprint. The fingerprint of the public key is in format
+  // `users/{user}/sshPublicKeys/{fingerprint}`.
+  string name = 1;
+}
+
+// A request message for retrieving the login profile information for a user.
+message GetLoginProfileRequest {
+  // The unique ID for the user in format `users/{user}`.
+  string name = 1;
+}
+
+// A request message for retrieving an SSH public key.
+message GetSshPublicKeyRequest {
+  // The fingerprint of the public key to retrieve. Public keys are identified
+  // by their SHA-256 fingerprint. The fingerprint of the public key is in
+  // format `users/{user}/sshPublicKeys/{fingerprint}`.
+  string name = 1;
+}
+
+// A request message for importing an SSH public key.
+message ImportSshPublicKeyRequest {
+  // The unique ID for the user in format `users/{user}`.
+  string parent = 1;
+
+  // The SSH public key and expiration time.
+  google.cloud.oslogin.common.SshPublicKey ssh_public_key = 2;
+
+  // The project ID of the Google Cloud Platform project.
+  string project_id = 3;
+}
+
+// A response message for importing an SSH public key.
+message ImportSshPublicKeyResponse {
+  // The login profile information for the user.
+  LoginProfile login_profile = 1;
+}
+
+// A request message for updating an SSH public key.
+message UpdateSshPublicKeyRequest {
+  // The fingerprint of the public key to update. Public keys are identified by
+  // their SHA-256 fingerprint. The fingerprint of the public key is in format
+  // `users/{user}/sshPublicKeys/{fingerprint}`.
+  string name = 1;
+
+  // The SSH public key and expiration time.
+  google.cloud.oslogin.common.SshPublicKey ssh_public_key = 2;
+
+  // Mask to control which fields get updated. Updates all if not present.
+  google.protobuf.FieldMask update_mask = 3;
+}