Codelab：预配 Google Workspace

Install-Package Google.Cloud.Channel.V1

dotnet add package Google.Cloud.Channel.V1

go mod init YOUR_MODULE_NAME
go get cloud.google.com/go/channel/apiv1

<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>com.google.cloud</groupId>
      <artifactId>libraries-bom</artifactId>
      <version>20.9.0</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

<dependencies>
  <dependency>
    <groupId>com.google.cloud</groupId>
    <artifactId>google-cloud-channel</artifactId>
    <version>2.3.0</version>
  </dependency>

implementation group: 'com.google.cloud', name: 'google-cloud-channel', version: '2.3.0'

npm install --save @google-cloud/channel

composer require google/cloud-channel

pip install google-cloud-channel

gem install google-cloud-channel

using Google.Apis.Auth.OAuth2;
using Google.Api.Gax;
using Google.Cloud.Channel.V1;
using Google.Type;
using Newtonsoft.Json;
using System;
using System.Linq;

namespace Codelab {

  class Program {

    /***************** REPLACE WITH YOUR OWN VALUES ********************************/
    private static readonly string jsonKeyFile = "path/to/json_key_file.json";
    private static readonly string resellerAdminUser = "admin@yourresellerdomain.com";
    private static readonly string accountId = "C012345";
    private static readonly string customerDomain = "example.com";
    /*******************************************************************************/

    private static readonly string accountName = "accounts/" + accountId;

    private static CloudChannelServiceClient client;

    static void Main(string[] args) {
      // Set up credentials with user impersonation
      ICredential credential = GoogleCredential.FromFile(jsonKeyFile)
                                   .CreateScoped(CloudChannelServiceClient.DefaultScopes)
                                   .CreateWithUser(resellerAdminUser);

      // Create the API client
      client = new CloudChannelServiceClientBuilder {
        TokenAccessMethod = credential.GetAccessTokenForRequestAsync
      }.Build();

package main

import (
	"context"
	"fmt"
	"io/ioutil"
	"log"

	channel "cloud.google.com/go/channel/apiv1"
	"golang.org/x/oauth2/google"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"
	channelpb "google.golang.org/genproto/googleapis/cloud/channel/v1"
	"google.golang.org/genproto/googleapis/type/postaladdress"
	"google.golang.org/protobuf/encoding/protojson"
)

// ############## REPLACE WITH YOUR OWN VALUES ####################
const jsonKeyFile = "path/to/json_key_file.json"
const resellerAdminUser = "admin@yourresellerdomain.com"
const accountID = "C012345"
const customerDomain = "example.com"

// ################################################################

const accountName = "accounts/" + accountID

func main() {
	ctx := context.Background()
	// Set up credentials with user impersonation
	jsonKey, _ := ioutil.ReadFile(jsonKeyFile)
	jwt, _ := google.JWTConfigFromJSON(jsonKey, "https://www.googleapis.com/auth/apps.order")
	jwt.Subject = resellerAdminUser
	tokenSource := jwt.TokenSource(ctx)
	// Create the API client
	client, _ := channel.NewCloudChannelClient(ctx, option.WithTokenSource(tokenSource))

import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.api.gax.longrunning.OperationFuture;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.auth.oauth2.ServiceAccountCredentials;
import com.google.cloud.channel.v1.AdminUser;
import com.google.cloud.channel.v1.CheckCloudIdentityAccountsExistRequest;
import com.google.cloud.channel.v1.CheckCloudIdentityAccountsExistResponse;
import com.google.cloud.channel.v1.CloudChannelServiceClient;
import com.google.cloud.channel.v1.CloudChannelServiceSettings;
import com.google.cloud.channel.v1.CloudIdentityInfo;
import com.google.cloud.channel.v1.CommitmentSettings;
import com.google.cloud.channel.v1.CreateCustomerRequest;
import com.google.cloud.channel.v1.CreateEntitlementRequest;
import com.google.cloud.channel.v1.Customer;
import com.google.cloud.channel.v1.Entitlement;
import com.google.cloud.channel.v1.ListOffersRequest;
import com.google.cloud.channel.v1.Offer;
import com.google.cloud.channel.v1.OperationMetadata;
import com.google.cloud.channel.v1.Parameter;
import com.google.cloud.channel.v1.PaymentPlan;
import com.google.cloud.channel.v1.Period;
import com.google.cloud.channel.v1.PeriodType;
import com.google.cloud.channel.v1.ProvisionCloudIdentityRequest;
import com.google.cloud.channel.v1.RenewalSettings;
import com.google.cloud.channel.v1.Value;
import com.google.gson.Gson;
import com.google.type.PostalAddress;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.concurrent.ExecutionException;

// ...

public class Codelab {

  /***************** REPLACE WITH YOUR OWN VALUES ********************************/
  public static final String JSON_KEY_FILE = "path/to/json_key_file.json";
  public static final String RESELLER_ADMIN_USER = "admin@yourresellerdomain.com";
  public static final String ACCOUNT_ID = "C012345";
  public static final String CUSTOMER_DOMAIN = "example.com";
  /*******************************************************************************/

  public static final String ACCOUNT_NAME = "accounts/" + ACCOUNT_ID;

  private static CloudChannelServiceClient client;
  private static final Gson gson = new Gson();

  public static void main(String[] args)
      throws Exception, IOException, ExecutionException, InterruptedException {

    // Set up credentials with user impersonation
    FileInputStream jsonKeyFileStream = new FileInputStream(JSON_KEY_FILE);
    GoogleCredentials  credentials = ServiceAccountCredentials.fromStream(jsonKeyFileStream)
                                        .createScoped("https://www.googleapis.com/auth/apps.order")
                                        .createDelegated(RESELLER_ADMIN_USER);
    // Create the API client
    CloudChannelServiceSettings serviceSettings =
        CloudChannelServiceSettings.newBuilder()
            .setCredentialsProvider(FixedCredentialsProvider.create(credentials))
            .build();
    client = CloudChannelServiceClient.create(serviceSettings);

const {JWT} = require('google-auth-library');
const {grpc} = require('google-gax');
const {CloudChannelServiceClient} = require('@google-cloud/channel');

// ############## REPLACE WITH YOUR OWN VALUES ####################
const jsonKeyFile = 'path/to/json_key_file.json';
const resellerAdminUser = 'admin@yourresellerdomain.com';
const accountId = 'C012345';
const customerDomain = 'example.com';
// ################################################################
const accountName = `accounts/${accountId}`;

// Set up credentials with user impersonation
const authClient = new JWT({
  keyFile: jsonKeyFile,
  scopes: ['https://www.googleapis.com/auth/apps.order'],
  subject: resellerAdminUser,
});
const sslCreds = grpc.credentials.combineChannelCredentials(
  grpc.credentials.createSsl(),
  grpc.credentials.createFromGoogleCredential(authClient)
);
// Create the API client
const client = new CloudChannelServiceClient({sslCreds});

require 'vendor/autoload.php';

use Google\Auth\Credentials\ServiceAccountCredentials;
use Google\Cloud\Channel;

// ############## REPLACE WITH YOUR OWN VALUES ####################
$JSON_KEY_FILE = 'path/to/json_key_file.json';
$RESELLER_ADMIN_USER = 'admin@yourresellerdomain.com';
$ACCOUNT_ID = 'C012345';
$CUSTOMER_DOMAIN = 'example.com';
// ################################################################

$ACCOUNT_NAME = 'accounts/' . $ACCOUNT_ID;

// Set up credentials with user impersonation
$credentials = new ServiceAccountCredentials(
  'https://www.googleapis.com/auth/apps.order', /* $scope */
  $JSON_KEY_FILE, /* $keyFile */
  $RESELLER_ADMIN_USER /* $sub */
);

// Create the API client
$client = new Channel\V1\CloudChannelServiceClient([
  'credentials' => $credentials
]);

from google.cloud import channel
from google.oauth2 import service_account

############## REPLACE WITH YOUR OWN VALUES ####################
JSON_KEY_FILE = "path/to/json_key_file.json"
RESELLER_ADMIN_USER = "admin@yourresellerdomain.com"
ACCOUNT_ID = "C012345"
CUSTOMER_DOMAIN = "example.com"
################################################################

ACCOUNT_NAME = "accounts/" + ACCOUNT_ID

# Set up credentials with user impersonation
credentials = service_account.Credentials.from_service_account_file(
    JSON_KEY_FILE, scopes=["https://www.googleapis.com/auth/apps.order"])
credentials_delegated = credentials.with_subject(RESELLER_ADMIN_USER)

# Create the API client
client = channel.CloudChannelServiceClient(credentials=credentials_delegated)

require 'google-cloud-channel'

################## REPLACE WITH YOUR OWN VALUES ################################
JSON_PRIVATE_KEY_FILE = 'path/to/json_key_file.json'
RESELLER_ADMIN_USER = 'admin@yourresellerdomain.com'
ACCOUNT_ID = 'C012345'
CUSTOMER_DOMAIN = 'example.com'
################################################################################

ACCOUNT_NAME = "accounts/#{ACCOUNT_ID}"

# Set up credentials with user impersonation
credentials = Google::Auth::ServiceAccountCredentials.make_creds(
  json_key_io: File.open(JSON_PRIVATE_KEY_FILE),
  scope: 'https://www.googleapis.com/auth/apps.order'
)
credentials.sub = RESELLER_ADMIN_USER

# Create the API client
CLIENT = Google::Cloud::Channel::cloud_channel_service do |config|
  config.credentials = credentials
end

PagedEnumerable<ListOffersResponse, Offer> offers =
    client.ListOffers(new ListOffersRequest { Parent = accountName });

// For the purpose of this codelab, the code lists all offers and selects
// the first offer for Google Workspace Business Standard on an Annual
// plan. This is needed because offerIds vary from one account to another,
// but this is not a recommended model for your production integration
string sampleOffer = "Google Workspace Business Standard";
PaymentPlan samplePlan = PaymentPlan.Commitment;

Offer selectedOffer = offers.FirstOrDefault(
  o => o.Sku.MarketingInfo.DisplayName == sampleOffer && o.Plan.PaymentPlan == samplePlan);

Console.WriteLine("=== Selected offer");
Console.WriteLine(JsonConvert.SerializeObject(selectedOffer));

var selectedOffer *channelpb.Offer
req := &channelpb.ListOffersRequest{
	Parent: accountName,
}
it := client.ListOffers(ctx, req)

// For the purpose of this codelab, the code lists all offers and selects
// the first offer for Google Workspace Business Standard on an Annual
// plan. This is needed because offerIds vary from one account to another and
// is not a recommended model for your production integration.
for {
	offer, err := it.Next()
	if err == iterator.Done {
		break
	}
	if offer.Sku.MarketingInfo.DisplayName == "Google Workspace Business Standard" &&
		offer.Plan.PaymentPlan == channelpb.PaymentPlan_COMMITMENT {
		selectedOffer = offer
		break
	}
}

fmt.Println("=== Selected offer")
fmt.Println(protojson.Format(selectedOffer))

ListOffersRequest request =
    ListOffersRequest.newBuilder().setParent(ACCOUNT_NAME).build();

// For the purpose of this codelab, the code lists all offers and selects
// the first offer for Google Workspace Business Standard on an Annual
// plan. This is needed because offerIds vary from one account to another,
// but this is not a recommended model for your production integration
String sampleSkuName = "Google Workspace Business Standard";
String samplePlan = "COMMITMENT";

CloudChannelServiceClient.ListOffersPagedResponse response = client.listOffers(request);
Offer selectedOffer = Offer.newBuilder().build();
Iterator<Offer> iterator = response.iterateAll().iterator();
while (iterator.hasNext()) {
  Offer offer = iterator.next();
  String skuName = offer.getSku().getMarketingInfo().getDisplayName();
  String offerPlan = offer.getPlan().getPaymentPlan().name();
  if (skuName.equals(sampleSkuName) && offerPlan.equals(samplePlan)) {
    selectedOffer = offer;
    break;
  }
}

System.out.println("=== Selected offer");
System.out.println(gson.toJson(selectedOffer));

const [offers] = await client.listOffers({
  parent: accountName,
});

// For the purpose of this codelab, the code lists all offers and selects
// the first offer for Google Workspace Business Standard on an Annual
// plan. This is needed because offerIds vary from one account to another,
// but this is not a recommended model for your production integration
const selectedOffer = offers.find(o => {
  return (
    o.sku.marketingInfo.displayName ===
      'Google Workspace Business Standard' &&
    o.plan.paymentPlan === 'COMMITMENT'
  );
});

console.log('=== Selected offer');
console.info(selectedOffer);

$offers = $client->listOffers($ACCOUNT_NAME /* parent */);

// For the purpose of this codelab, the code lists all offers and selects
// the first offer for Google Workspace Business Standard on an Annual
// plan. This is needed because offerIds vary from one account to another,
// but this is not a recommended model for your production integration
$sampleSku = 'Google Workspace Business Standard';
$samplePlan = Channel\V1\PaymentPlan::COMMITMENT;
foreach ($offers as $offer) {
  if ($offer->getSku()->getMarketingInfo()->getDisplayName() == $sampleSku
  && $offer->getPlan()->getPaymentPlan() == $samplePlan) {
    $selectedOffer = $offer;
    break;
  }
}

print '=== Selected offer' . PHP_EOL;
print $selectedOffer->serializeToJsonString() . PHP_EOL;

request = channel.ListOffersRequest(parent=ACCOUNT_NAME)
offers = client.list_offers(request)

# For the purpose of this codelab, the code lists all offers and selects
# the first offer for Google Workspace Business Standard on an Annual
# plan. This is needed because offerIds vary from one account to another,
# but this is not a recommended model for your production integration
sample_offer = "Google Workspace Business Standard"
sample_plan = "PaymentPlan.COMMITMENT"
selected_offer = None
for offer in offers:
  if offer.sku.marketing_info.display_name == sample_offer and \
      str(offer.plan.payment_plan) == sample_plan:
    selected_offer = offer
    break

print("=== Selected offer")
print(selected_offer)

# For the purpose of this codelab, the code lists all offers and selects
# the first offer for Google Workspace Business Standard on an Annual
# plan. This is needed because offerIds vary from one account to another,
# but this is not a recommended model for your production integration

request = Google::Cloud::Channel::V1::ListOffersRequest.new({ parent: ACCOUNT_NAME })
offers = CLIENT.list_offers(request)
sample_offer = 'Google Workspace Business Standard'
sample_plan = :COMMITMENT

offer = offers.detect { |offer| offer.sku.marketing_info.display_name == sample_offer
  && offer.plan.payment_plan == sample_plan }
puts("=== Selected offer")
puts(offer.inspect)

// Determine if customer already has a cloud identity
CheckCloudIdentityAccountsExistRequest request =
    new CheckCloudIdentityAccountsExistRequest { Parent = accountName,
                                                 Domain = customerDomain };

CheckCloudIdentityAccountsExistResponse response =
    client.CheckCloudIdentityAccountsExist(request);

if (response.CloudIdentityAccounts.Count > 0) {
  throw new Exception(@"Cloud identity already exists. Customer must be transferred.
  Out of scope for this codelab");
}

// Determine if customer already has a cloud identity
req := &channelpb.CheckCloudIdentityAccountsExistRequest{
	Parent: accountName,
	Domain: customerDomain,
}
res, _ := client.CheckCloudIdentityAccountsExist(ctx, req)
// checkCloudIdentityAccountsExist always returns an array
if len(res.CloudIdentityAccounts) > 0 {
	log.Fatal(`Cloud identity already exists;
		customer must be transferred
		[out-of-scope of this codelab]`)
}

// Determine if customer already has a cloud identity
CheckCloudIdentityAccountsExistRequest request =
    CheckCloudIdentityAccountsExistRequest.newBuilder()
        .setParent(ACCOUNT_NAME)
        .setDomain(CUSTOMER_DOMAIN)
        .build();
CheckCloudIdentityAccountsExistResponse response =
    client.checkCloudIdentityAccountsExist(request);

if (response.getCloudIdentityAccountsCount() > 0) {
  throw new Exception(
      "Cloud identity already exists. "
      + "Customer must be transferred. "
      + "Out of scope for this codelab");
}

// Determine if customer already has a cloud identity
const [
  cloudIdentityAccounts,
] = await client.checkCloudIdentityAccountsExist({
  parent: accountName,
  domain: customerDomain,
});

if (cloudIdentityAccounts.length > 0) {
  throw new Error(
    'Cloud identity already exists; ' +
      'customer must be transferred ' +
      '[out-of-scope of this codelab]'
  );
}

// Determine if customer already has a cloud identity
$response = $client->checkCloudIdentityAccountsExist(
  $ACCOUNT_NAME /* parent */,
  $CUSTOMER_DOMAIN /* domain */
);

if (count($response->getCloudIdentityAccounts()) > 0) {
  throw new Error('Cloud identity already exists; \
    customer must be transferred \
    [out-of-scope of this codelab]'
  );
}

# Determine if customer already has a cloud identity
request = channel.CheckCloudIdentityAccountsExistRequest(
    parent=ACCOUNT_NAME, domain=CUSTOMER_DOMAIN)

response = client.check_cloud_identity_accounts_exist(request)

if response.cloud_identity_accounts:
  raise Exception(
      "Cloud identity already exists. Customer must be transferred." +
      "Out of scope for this codelab")

# Determine if customer already has a cloud identity
request = Google::Cloud::Channel::V1::CheckCloudIdentityAccountsExistRequest
.new({ parent: ACCOUNT_NAME, domain: CUSTOMER_DOMAIN })
response = CLIENT.check_cloud_identity_accounts_exist(request)

if response.cloud_identity_accounts.count > 0
  raise 'Cloud identity already exists. Customer must be transferred.'\
    'Out of scope for this codelab'
end

// Create the Customer resource
CreateCustomerRequest request = new CreateCustomerRequest {
  Parent = accountName,
  Customer = new Customer { OrgDisplayName = "Acme Corp",
                            OrgPostalAddress = new PostalAddress {
                                  AddressLines = { "1800 Amphibious Blvd" },
                                  PostalCode = "94045",
                                  RegionCode = "US" },
                            Domain = customerDomain,
                            // Optional. Add the CRM ID for this customer.
                            CorrelationId = "CRMID012345" }
};

Customer customer = client.CreateCustomer(request);
Console.WriteLine("=== Created customer with id " + customer.Name);
Console.WriteLine(JsonConvert.SerializeObject(customer));

// Create the Customer resource
req := &channelpb.CreateCustomerRequest{
	Parent: accountName,
	Customer: &channelpb.Customer{
		OrgDisplayName: "Acme Corp",
		OrgPostalAddress: &postaladdress.PostalAddress{
			AddressLines: []string{"1800 Amphibious Blvd"},
			PostalCode:   "94045",
			RegionCode:   "US",
		},
		Domain: customerDomain,
		// Optional. Add the CRM ID for this customer.
		CorrelationId: "CRMID012345",
		// Distributors need to pass the following value
		// ChannelPartnerId: channelPartnerLinkId
	},
}
customer, _ := client.CreateCustomer(ctx, req)
fmt.Println("=== Created customer with id " + customer.Name)
fmt.Println(protojson.Format(customer))

// Create the Customer resource
PostalAddress postalAddress =
    PostalAddress.newBuilder()
        .addAddressLines("1800 Amphibious Blvd")
        .setPostalCode("94045")
        .setRegionCode("US")
        .build();

CreateCustomerRequest request =
    CreateCustomerRequest.newBuilder()
        .setParent(ACCOUNT_NAME)
        .setCustomer(
            Customer.newBuilder()
                .setOrgDisplayName("Acme Corp")
                .setOrgPostalAddress(postalAddress)
                .setDomain(CUSTOMER_DOMAIN)
                // Optional. Add the CRM ID for this customer.
                .setCorrelationId("CRMID012345")
                // Distributors need to pass the following field
                // .setChannelPartnerId(channelPartnerLinkId)
                .build())
        .build();

Customer customer = client.createCustomer(request);

System.out.println("=== Created customer with id " + customer.getName());
System.out.println(gson.toJson(customer));

// Create the Customer resource
let [customer] = await client.createCustomer({
  parent: accountName,
  customer: {
    orgDisplayName: 'Acme Corp',
    orgPostalAddress: {
      addressLines: ['1800 Amphibious Blvd'],
      postalCode: '94045',
      regionCode: 'US',
    },
    domain: customerDomain,
    // Optional. Add the CRM ID for this customer.
    correlationId: "CRMID012345",
    // Distributors need to pass the following field
    // channelPartnerId: channelPartnerLinkId
  },
});
console.log(`=== Created customer with id ${customer.name}`);
console.info(customer);

// Create the Customer resource
$customer = $client->createCustomer(
  $ACCOUNT_NAME  /* parent */,
  new Channel\V1\Customer([
    'org_display_name' => 'Acme Corp',
    'org_postal_address' => new Google\Type\PostalAddress([
      'address_lines' => ['1800 Amphibious Blvd'],
      'postal_code' => '94045',
      'region_code' => 'US',
    ]),
    'domain' => $CUSTOMER_DOMAIN,
    // Optional. Add the CRM ID for this customer.
    'correlation_id' => 'CRMID012345',
    // Distributors need to pass the following field
    // 'channel_partner_id' => $channelPartnerLinkId
  ])
);

print '=== Created customer with id ' . $customer->getName() . PHP_EOL;
print $customer->serializeToJsonString() . PHP_EOL;

# Create the Customer resource
request = channel.CreateCustomerRequest(
    parent=ACCOUNT_NAME,
    customer={
        "org_display_name": "Acme Corp",
        "domain": CUSTOMER_DOMAIN,
        "org_postal_address": {
            "address_lines": ["1800 Amphibious Blvd"],
            "postal_code": "94045",
            "region_code": "US"
        },
        # Optional. Add the CRM ID for this customer.
        "correlation_id": "CRMID012345"
    })
# Distributors need to also pass the following field for the `customer`
# "channel_partner_id": channel_partner_link_id

customer = client.create_customer(request)

print("=== Created customer with id ", customer.name)
print(customer)

# Create the Customer resource

request = Google::Cloud::Channel::V1::CreateCustomerRequest.new(
  parent: ACCOUNT_NAME,
  customer: {
    'org_display_name': 'Acme Corp',
    'domain': CUSTOMER_DOMAIN,
    'org_postal_address': {
      'address_lines': ['1800 Amphibious Blvd'],
      'postal_code': '94045',
      'region_code': 'US'
    },
    # Optional. Add the CRM ID for this customer.
    'correlation_id': 'CRMID012345'
  })

# Distributors need to also pass the following field for the `customer`
# "channel_partner_id": channel_partner_link_id

customer = CLIENT.create_customer(request)

puts("=== Created customer with id " + customer.name)
puts(customer.inspect)

CloudIdentityInfo cloudIdentityInfo =
    new CloudIdentityInfo { AlternateEmail = "john.doe@gmail.com", LanguageCode = "en-US" };

AdminUser adminUser = new AdminUser { GivenName = "John", FamilyName = "Doe",
                                      Email = "admin@" + customerDomain };

ProvisionCloudIdentityRequest cloudIdentityRequest = new ProvisionCloudIdentityRequest {
  Customer = customer.Name, CloudIdentityInfo = cloudIdentityInfo, User = adminUser
};

// This call returns a long-running operation.
var operation = client.ProvisionCloudIdentity(cloudIdentityRequest);

// Wait for the long-running operation and get the result.
customer = operation.PollUntilCompleted().Result;
Console.WriteLine("=== Provisioned cloud identity");

cireq := &channelpb.ProvisionCloudIdentityRequest{
	Customer: customer.Name,
	CloudIdentityInfo: &channelpb.CloudIdentityInfo{
		AlternateEmail: "john.doe@gmail.com",
		LanguageCode:   "en-US",
	},
	User: &channelpb.AdminUser{
		GivenName:  "John",
		FamilyName: "Doe",
		Email:      "admin@" + customerDomain,
	},
}
// This endpoint returns a long-running operation.
op, _ := client.ProvisionCloudIdentity(ctx, cireq)

// Wait for the long-running operation and get the result.
customer, _ = op.Wait(ctx)
fmt.Println("=== Provisioned cloud identity")

CloudIdentityInfo cloudIdentityInfo =
    CloudIdentityInfo.newBuilder()
        .setAlternateEmail("john.doe@gmail.com")
        .setLanguageCode("en-US")
        .build();

AdminUser adminUser =
    AdminUser.newBuilder()
        .setGivenName("John")
        .setFamilyName("Doe")
        .setEmail("admin@" + CUSTOMER_DOMAIN)
        .build();

ProvisionCloudIdentityRequest cloudIdentityRequest =
    ProvisionCloudIdentityRequest.newBuilder()
        .setCustomer(customer.getName())
        .setCloudIdentityInfo(cloudIdentityInfo)
        .setUser(adminUser)
        .build();

// This call returns a long-running operation.
OperationFuture<Customer, OperationMetadata> operation =
    client.provisionCloudIdentityAsync(cloudIdentityRequest);

// Wait for the long-running operation and get the result.
customer = operation.get();
System.out.println("=== Provisioned cloud identity");

// This endpoint returns a long-running operation.
// For other ways to get operation results, see
// https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations
const [operation] = await client.provisionCloudIdentity({
  customer: customer.name,
  cloudIdentityInfo: {
    alternateEmail: 'john.doe@gmail.com',
    languageCode: 'en-US',
  },
  user: {
    givenName: 'John',
    familyName: 'Doe',
    email: `admin@${customerDomain}`,
  },
});

// Wait for the long-running operation and get the result.
[customer] = await operation.promise();
console.log('=== Provisioned cloud identity');

// This endpoint returns a long-running operation.
$operation = $client->provisionCloudIdentity(
  $customer->getName() /* customer */,
  [
    'cloudIdentityInfo' => new Channel\V1\CloudIdentityInfo([
      'alternate_email' => 'john.doe@gmail.com',
      'language_code' => 'en-US',
    ]),
    'user' => new Channel\V1\AdminUser([
      'given_name' => 'John',
      'family_name' => 'Doe',
      'email' => 'admin@' . $CUSTOMER_DOMAIN,
    ]),
  ]
);

// Wait for the long-running operation and get the result.
$operation->pollUntilComplete();
$customer = $operation->getResult();
print '=== Provisioned cloud identity' . PHP_EOL;

cloud_identity_info = channel.CloudIdentityInfo(
    alternate_email="john.doe@gmail.com", language_code="en-US")

admin_user = channel.AdminUser(
    given_name="John", family_name="Doe", email="admin@" + CUSTOMER_DOMAIN)

cloud_identity_request = channel.ProvisionCloudIdentityRequest(
    customer=customer.name,
    cloud_identity_info=cloud_identity_info,
    user=admin_user)

# This call returns a long-running operation.
operation = client.provision_cloud_identity(cloud_identity_request)

# Wait for the long-running operation and get the result.
customer = operation.result()

print("=== Provisioned cloud identity")

cloud_identity_info = Google::Cloud::Channel::V1::CloudIdentityInfo.new(
  alternate_email: 'john.doe@gmail.com', language_code: 'en-US'
)

admin_user = Google::Cloud::Channel::V1::AdminUser.new(
  given_name: 'John', family_name: 'Doe', email: "admin@#{CUSTOMER_DOMAIN}"
)

cloud_identity_request = Google::Cloud::Channel::V1::ProvisionCloudIdentityRequest.new(
  customer: customer.name,
  cloud_identity_info: cloud_identity_info,
  user: admin_user
)

# This call returns a long-running operation.
operation = CLIENT.provision_cloud_identity(cloud_identity_request)

# Wait for the long-running operation and get the result.
CLIENT.operations_client.wait_operation(Google::Longrunning::WaitOperationRequest
  .new({ name: operation.name }))
operation = CLIENT.operations_client.get_operation(Google::Longrunning::GetOperationRequest
  .new({ name: operation.name }))
customer = operation.response
puts("=== Provisioned cloud identity")

RenewalSettings renewalSettings = new RenewalSettings {
  // Setting renewal settings to auto renew
  EnableRenewal = true,
  PaymentPlan = PaymentPlan.Commitment,
  PaymentCycle = new Period {
    PeriodType = PeriodType.Year,
    Duration = 1
  }
};

CreateEntitlementRequest request = new CreateEntitlementRequest {
  Parent = customer.Name,
  Entitlement = new Entitlement {
      Offer = selectedOffer.Name,
      // Setting 5 seats for this Annual offer
      Parameters = { new Parameter { Name = "num_units",
                                     Value = new Value { Int64Value = 5 } } },
      CommitmentSettings = new CommitmentSettings { RenewalSettings = renewalSettings },
      // A string of up to 80 characters.
      // We recommend using an internal transaction ID or
      // identifier for the customer in this field.
      PurchaseOrderId = "A codelab test"
    }
};

// This call returns a long-running operation.
var operation = client.CreateEntitlement(request);

// Wait for the long-running operation and get the result.
Entitlement entitlement = operation.PollUntilCompleted().Result;
Console.WriteLine("=== Created entitlement");
Console.WriteLine(JsonConvert.SerializeObject(entitlement));

// This endpoint returns a long-running operation.
req := &channelpb.CreateEntitlementRequest{
	Parent: customer.Name,
	Entitlement: &channelpb.Entitlement{
		Offer: selectedOffer.Name,
		// Setting 5 seats for this Annual offer
		Parameters: []*channelpb.Parameter{
			{
				Name: "num_units",
				Value: &channelpb.Value{
					Kind: &channelpb.Value_Int64Value{Int64Value: 5},
				},
			},
		},
		// Setting renewal settings to auto renew
		CommitmentSettings: &channelpb.CommitmentSettings{
			RenewalSettings: &channelpb.RenewalSettings{
				EnableRenewal: true,
				PaymentPlan:   channelpb.PaymentPlan_COMMITMENT,
				PaymentCycle: &channelpb.Period{
					Duration:   1,
					PeriodType: channelpb.PeriodType_YEAR,
				},
			},
		},
		// A string of up to 80 characters.
		// We recommend using an internal transaction ID or
		// identifier for the customer in this field.
		PurchaseOrderId: "A codelab test",
	},
}
// This endpoint returns a long-running operation.
op, _ := client.CreateEntitlement(ctx, req)

// Wait for the long-running operation and get the result.
entitlement, _ := op.Wait(ctx)

fmt.Println("=== Created entitlement")
fmt.Println(protojson.Format(entitlement))

RenewalSettings renewalSettings =
    RenewalSettings.newBuilder()
        // Setting renewal settings to auto renew
        .setEnableRenewal(true)
        .setPaymentPlan(PaymentPlan.COMMITMENT)
        .setPaymentCycle(
            Period.newBuilder().setPeriodType(PeriodType.YEAR).setDuration(1).build())
        .build();

CommitmentSettings commitmentSettings =
    CommitmentSettings.newBuilder().setRenewalSettings(renewalSettings).build();

Entitlement entitlement =
    Entitlement.newBuilder()
        .setOffer(selectedOffer.getName())
        // Setting 5 seats for this Annual offer
        .addParameters(
            Parameter.newBuilder()
                .setName("num_units")
                .setValue(Value.newBuilder().setInt64Value(5).build())
                .build())
        .setCommitmentSettings(commitmentSettings)
        // A string of up to 80 characters.
        // We recommend using an internal transaction ID or
        // identifier for the customer in this field.
        .setPurchaseOrderId("A codelab test")
        .build();

CreateEntitlementRequest request =
    CreateEntitlementRequest.newBuilder()
        .setParent(customer.getName())
        .setEntitlement(entitlement)
        .build();

// This call returns a long-running operation.
OperationFuture<Entitlement, OperationMetadata> operation =
    client.createEntitlementAsync(request);

// Wait for the long-running operation and get the result.
entitlement = operation.get();
System.out.println("=== Created entitlement");
System.out.println(gson.toJson(entitlement));

// This call returns a long-running operation.
const [operation] = await client.createEntitlement({
  parent: customer.name,
  entitlement: {
    offer: selectedOffer.name,
    parameters: [
      // Setting 5 seats for this Annual offer
      {
        name: 'num_units',
        value: {
          int64Value: 5,
        },
      },
    ],
    commitmentSettings: {
      // Setting renewal settings to auto renew
      renewalSettings: {
        enableRenewal: true,
        paymentPlan: 'COMMITMENT',
        paymentCycle: {
          duration: 1,
          periodType: 'YEAR',
        },
      },
    },
    // A string of up to 80 characters.
    // We recommend using an internal transaction ID or
    // identifier for the customer in this field.
    purchaseOrderId: 'A codelab test',
  },
});

// Wait for the long-running operation and get the result.
const [entitlement] = await operation.promise();
console.log('=== Created entitlement');
console.info(entitlement);

// This call returns a long-running operation.
$operation = $client->createEntitlement(
  $customer->getName() /* parent */,
  new Channel\V1\Entitlement([
    'offer' => $selectedOffer->getName(),
    'parameters' => [
      new Channel\V1\Parameter([
        // Setting 5 seats for this Annual offer
        'name' => 'num_units',
        'value' => new Channel\V1\Value([
          'int64_value' => 5,
        ])
      ]),
    ],
    'commitment_settings' => new Channel\V1\CommitmentSettings([
      // Setting renewal settings to auto renew
      'renewal_settings' => new Channel\V1\RenewalSettings([
        'enable_renewal' => true,
        'payment_plan' => Channel\V1\PaymentPlan::COMMITMENT,
        'payment_cycle' => new Channel\V1\Period([
          'duration' => 1,
          'period_type' => Channel\V1\PeriodType::YEAR,
        ]),
      ]),
    ]),
    // A string of up to 80 characters.
    // We recommend using an internal transaction ID or
    // identifier for the customer in this field.
    'purchase_order_id' => 'A codelab test'
  ])
);

// Wait for the long-running operation and get the result.
$operation->pollUntilComplete();
$entitlement = $operation->getResult();
print '=== Created entitlement' . PHP_EOL;
print $entitlement->serializeToJsonString() . PHP_EOL;

request = channel.CreateEntitlementRequest(
    parent=customer.name,
    entitlement={
        "offer": selected_offer.name,
        # Setting 5 seats for this Annual offer
        "parameters": [{
            "name": "num_units",
            "value": {
                "int64_value": 5
            }
        }],
        "commitment_settings": {
            "renewal_settings": {
                # Setting renewal settings to auto renew
                "enable_renewal": True,
                "payment_plan": "COMMITMENT",
                "payment_cycle": {
                    "period_type": "YEAR",
                    "duration": 1
                }
            }
        },
        # A string of up to 80 characters.
        # We recommend an internal transaction ID or
        # identifier for this customer in this field.
        "purchase_order_id": "A codelab test"
    })

# This call returns a long-running operation.
operation = client.create_entitlement(request)

# Wait for the long-running operation and get the result.
entitlement = operation.result()

print("=== Created entitlement")
print(entitlement)

request = Google::Cloud::Channel::V1::CreateEntitlementRequest.new(
  parent: customer.name,
  entitlement: {
    offer: selected_offer.name,
    # Setting 5 seats for this Annual offer
    parameters: [{
                   name: 'num_units',
                   value: {
                     int64_value: 5
                   }
                 }],
    commitment_settings: {
      renewal_settings: {
        # Setting renewal settings to auto renew
        enable_renewal: true,
        payment_plan: 'COMMITMENT',
        payment_cycle: {
          period_type: 'YEAR',
          duration: 1
        }
      }
    },
    # A string of up to 80 characters.
    # We recommend an internal transaction ID or
    # identifier for this customer in this field.
    purchase_order_id: 'A codelab test'
  })

# This call returns a long-running operation.
operation = CLIENT.create_entitlement(request)

# Wait for the long-running operation and get the result.
CLIENT.operations_client.wait_operation(Google::Longrunning::WaitOperationRequest
  .new({ name: operation.name }))
operation = CLIENT.operations_client.get_operation(Google::Longrunning::GetOperationRequest
  .new({ name: operation.name }))
entitlement = operation.response

puts("=== Created entitlement")
puts(entitlement)

string customerId = customer.CloudIdentityId;
Console.WriteLine(customerId);

customerID := customer.CloudIdentityId
fmt.Println(customerID)

String adminSDKCustomerId = customer.getCloudIdentityId();
System.out.println(adminSDKCustomerId);

const customerId = customer.cloudIdentityId;
console.log(customerId);

$customerId = $customer->getCloudIdentityId();
print $customerId . PHP_EOL;

customer_id = customer.cloud_identity_id
print(customer_id)

customer_id = customer.cloud_identity_id
puts(customer_id)

// 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
//
//     https://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.
//

// Instructions for this codelab can be found on this page
// https://cloud.google.com/channel/docs/codelabs/workspace/provisioning

using Google.Apis.Auth.OAuth2;
using Google.Api.Gax;
using Google.Cloud.Channel.V1;
using Google.Type;
using Newtonsoft.Json;
using System;
using System.Linq;

namespace Codelab {

  class Program {

    /***************** REPLACE WITH YOUR OWN VALUES ********************************/
    private static readonly string jsonKeyFile = "path/to/json_key_file.json";
    private static readonly string resellerAdminUser = "admin@yourresellerdomain.com";
    private static readonly string accountId = "C012345";
    private static readonly string customerDomain = "example.com";
    /*******************************************************************************/

    private static readonly string accountName = "accounts/" + accountId;

    private static CloudChannelServiceClient client;

    static void Main(string[] args) {
      // Set up credentials with user impersonation
      ICredential credential = GoogleCredential.FromFile(jsonKeyFile)
                                   .CreateScoped(CloudChannelServiceClient.DefaultScopes)
                                   .CreateWithUser(resellerAdminUser);

      // Create the API client
      client = new CloudChannelServiceClientBuilder {
        TokenAccessMethod = credential.GetAccessTokenForRequestAsync
      }.Build();

      Offer selectedOffer = SelectOffer();

      CheckExists();

      Customer customer = CreateCustomer();

      Entitlement entitlement = CreateEntitlement(customer, selectedOffer);

      string customerId = customer.CloudIdentityId;
      Console.WriteLine(customerId);
    }

    static Offer SelectOffer() {
      PagedEnumerable<ListOffersResponse, Offer> offers =
          client.ListOffers(new ListOffersRequest { Parent = accountName });

      // For the purpose of this codelab, the code lists all offers and selects
      // the first offer for Google Workspace Business Standard on an Annual
      // plan. This is needed because offerIds vary from one account to another,
      // but this is not a recommended model for your production integration
      string sampleOffer = "Google Workspace Business Standard";
      PaymentPlan samplePlan = PaymentPlan.Commitment;

      Offer selectedOffer = offers.FirstOrDefault(
        o => o.Sku.MarketingInfo.DisplayName == sampleOffer && o.Plan.PaymentPlan == samplePlan);

      Console.WriteLine("=== Selected offer");
      Console.WriteLine(JsonConvert.SerializeObject(selectedOffer));

      return selectedOffer;
    }

    static void CheckExists() {
      // Determine if customer already has a cloud identity
      CheckCloudIdentityAccountsExistRequest request =
          new CheckCloudIdentityAccountsExistRequest { Parent = accountName,
                                                       Domain = customerDomain };

      CheckCloudIdentityAccountsExistResponse response =
          client.CheckCloudIdentityAccountsExist(request);

      if (response.CloudIdentityAccounts.Count > 0) {
        throw new Exception(@"Cloud identity already exists. Customer must be transferred.
        Out of scope for this codelab");
      }
    }

    static Customer CreateCustomer() {
      // Create the Customer resource
      CreateCustomerRequest request = new CreateCustomerRequest {
        Parent = accountName,
        Customer = new Customer { OrgDisplayName = "Acme Corp",
                                  OrgPostalAddress = new PostalAddress {
                                        AddressLines = { "1800 Amphibious Blvd" },
                                        PostalCode = "94045",
                                        RegionCode = "US" },
                                  Domain = customerDomain,
                                  // Optional. Add the CRM ID for this customer.
                                  CorrelationId = "CRMID012345" }
      };

      Customer customer = client.CreateCustomer(request);
      Console.WriteLine("=== Created customer with id " + customer.Name);
      Console.WriteLine(JsonConvert.SerializeObject(customer));

      CloudIdentityInfo cloudIdentityInfo =
          new CloudIdentityInfo { AlternateEmail = "john.doe@gmail.com", LanguageCode = "en-US" };

      AdminUser adminUser = new AdminUser { GivenName = "John", FamilyName = "Doe",
                                            Email = "admin@" + customerDomain };

      ProvisionCloudIdentityRequest cloudIdentityRequest = new ProvisionCloudIdentityRequest {
        Customer = customer.Name, CloudIdentityInfo = cloudIdentityInfo, User = adminUser
      };

      // This call returns a long-running operation.
      var operation = client.ProvisionCloudIdentity(cloudIdentityRequest);

      // Wait for the long-running operation and get the result.
      customer = operation.PollUntilCompleted().Result;
      Console.WriteLine("=== Provisioned cloud identity");

      return customer;
    }

    static Entitlement CreateEntitlement(Customer customer, Offer selectedOffer) {
      RenewalSettings renewalSettings = new RenewalSettings {
        // Setting renewal settings to auto renew
        EnableRenewal = true,
        PaymentPlan = PaymentPlan.Commitment,
        PaymentCycle = new Period {
          PeriodType = PeriodType.Year,
          Duration = 1
        }
      };

      CreateEntitlementRequest request = new CreateEntitlementRequest {
        Parent = customer.Name,
        Entitlement = new Entitlement {
            Offer = selectedOffer.Name,
            // Setting 5 seats for this Annual offer
            Parameters = { new Parameter { Name = "num_units",
                                           Value = new Value { Int64Value = 5 } } },
            CommitmentSettings = new CommitmentSettings { RenewalSettings = renewalSettings },
            // A string of up to 80 characters.
            // We recommend using an internal transaction ID or
            // identifier for the customer in this field.
            PurchaseOrderId = "A codelab test"
          }
      };

      // This call returns a long-running operation.
      var operation = client.CreateEntitlement(request);

      // Wait for the long-running operation and get the result.
      Entitlement entitlement = operation.PollUntilCompleted().Result;
      Console.WriteLine("=== Created entitlement");
      Console.WriteLine(JsonConvert.SerializeObject(entitlement));

      return entitlement;
    }
  }
}

// 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
//
//     https://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.
//

// Instructions for this codelab can be found on this page
// https://cloud.google.com/channel/docs/codelabs/workspace/provisioning

package main

import (
	"context"
	"fmt"
	"io/ioutil"
	"log"

	channel "cloud.google.com/go/channel/apiv1"
	"golang.org/x/oauth2/google"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"
	channelpb "google.golang.org/genproto/googleapis/cloud/channel/v1"
	"google.golang.org/genproto/googleapis/type/postaladdress"
	"google.golang.org/protobuf/encoding/protojson"
)

// ############## REPLACE WITH YOUR OWN VALUES ####################
const jsonKeyFile = "path/to/json_key_file.json"
const resellerAdminUser = "admin@yourresellerdomain.com"
const accountID = "C012345"
const customerDomain = "example.com"

// ################################################################

const accountName = "accounts/" + accountID

func main() {
	ctx := context.Background()
	// Set up credentials with user impersonation
	jsonKey, _ := ioutil.ReadFile(jsonKeyFile)
	jwt, _ := google.JWTConfigFromJSON(jsonKey, "https://www.googleapis.com/auth/apps.order")
	jwt.Subject = resellerAdminUser
	tokenSource := jwt.TokenSource(ctx)
	// Create the API client
	client, _ := channel.NewCloudChannelClient(ctx, option.WithTokenSource(tokenSource))

	selectedOffer := selectOffer(ctx, client)

	checkExists(ctx, client)

	customer := createCustomer(ctx, client)

	_ /* entitlement */ = createEntitlement(ctx, client, customer, selectedOffer)

	customerID := customer.CloudIdentityId
	fmt.Println(customerID)
}

func selectOffer(ctx context.Context, client *channel.CloudChannelClient) *channelpb.Offer {
	var selectedOffer *channelpb.Offer
	req := &channelpb.ListOffersRequest{
		Parent: accountName,
	}
	it := client.ListOffers(ctx, req)

	// For the purpose of this codelab, the code lists all offers and selects
	// the first offer for Google Workspace Business Standard on an Annual
	// plan. This is needed because offerIds vary from one account to another and
	// is not a recommended model for your production integration.
	for {
		offer, err := it.Next()
		if err == iterator.Done {
			break
		}
		if offer.Sku.MarketingInfo.DisplayName == "Google Workspace Business Standard" &&
			offer.Plan.PaymentPlan == channelpb.PaymentPlan_COMMITMENT {
			selectedOffer = offer
			break
		}
	}

	fmt.Println("=== Selected offer")
	fmt.Println(protojson.Format(selectedOffer))

	return selectedOffer
}

func checkExists(ctx context.Context, client *channel.CloudChannelClient) {
	// Determine if customer already has a cloud identity
	req := &channelpb.CheckCloudIdentityAccountsExistRequest{
		Parent: accountName,
		Domain: customerDomain,
	}
	res, _ := client.CheckCloudIdentityAccountsExist(ctx, req)
	// checkCloudIdentityAccountsExist always returns an array
	if len(res.CloudIdentityAccounts) > 0 {
		log.Fatal(`Cloud identity already exists;
			customer must be transferred
			[out-of-scope of this codelab]`)
	}
}

func createCustomer(ctx context.Context, client *channel.CloudChannelClient) *channelpb.Customer {
	// Create the Customer resource
	req := &channelpb.CreateCustomerRequest{
		Parent: accountName,
		Customer: &channelpb.Customer{
			OrgDisplayName: "Acme Corp",
			OrgPostalAddress: &postaladdress.PostalAddress{
				AddressLines: []string{"1800 Amphibious Blvd"},
				PostalCode:   "94045",
				RegionCode:   "US",
			},
			Domain: customerDomain,
			// Optional. Add the CRM ID for this customer.
			CorrelationId: "CRMID012345",
			// Distributors need to pass the following value
			// ChannelPartnerId: channelPartnerLinkId
		},
	}
	customer, _ := client.CreateCustomer(ctx, req)
	fmt.Println("=== Created customer with id " + customer.Name)
	fmt.Println(protojson.Format(customer))

	cireq := &channelpb.ProvisionCloudIdentityRequest{
		Customer: customer.Name,
		CloudIdentityInfo: &channelpb.CloudIdentityInfo{
			AlternateEmail: "john.doe@gmail.com",
			LanguageCode:   "en-US",
		},
		User: &channelpb.AdminUser{
			GivenName:  "John",
			FamilyName: "Doe",
			Email:      "admin@" + customerDomain,
		},
	}
	// This endpoint returns a long-running operation.
	op, _ := client.ProvisionCloudIdentity(ctx, cireq)

	// Wait for the long-running operation and get the result.
	customer, _ = op.Wait(ctx)
	fmt.Println("=== Provisioned cloud identity")

	return customer
}

func createEntitlement(ctx context.Context, client *channel.CloudChannelClient,
	customer *channelpb.Customer, selectedOffer *channelpb.Offer) *channelpb.Entitlement {
	// This endpoint returns a long-running operation.
	req := &channelpb.CreateEntitlementRequest{
		Parent: customer.Name,
		Entitlement: &channelpb.Entitlement{
			Offer: selectedOffer.Name,
			// Setting 5 seats for this Annual offer
			Parameters: []*channelpb.Parameter{
				{
					Name: "num_units",
					Value: &channelpb.Value{
						Kind: &channelpb.Value_Int64Value{Int64Value: 5},
					},
				},
			},
			// Setting renewal settings to auto renew
			CommitmentSettings: &channelpb.CommitmentSettings{
				RenewalSettings: &channelpb.RenewalSettings{
					EnableRenewal: true,
					PaymentPlan:   channelpb.PaymentPlan_COMMITMENT,
					PaymentCycle: &channelpb.Period{
						Duration:   1,
						PeriodType: channelpb.PeriodType_YEAR,
					},
				},
			},
			// A string of up to 80 characters.
			// We recommend using an internal transaction ID or
			// identifier for the customer in this field.
			PurchaseOrderId: "A codelab test",
		},
	}
	// This endpoint returns a long-running operation.
	op, _ := client.CreateEntitlement(ctx, req)

	// Wait for the long-running operation and get the result.
	entitlement, _ := op.Wait(ctx)

	fmt.Println("=== Created entitlement")
	fmt.Println(protojson.Format(entitlement))

	return entitlement
}

// 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
//
//     https://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.
//
// Instructions for this codelab can be found on this page
// https://cloud.google.com/channel/docs/codelabs/workspace/provisioning

import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.api.gax.longrunning.OperationFuture;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.auth.oauth2.ServiceAccountCredentials;
import com.google.cloud.channel.v1.AdminUser;
import com.google.cloud.channel.v1.CheckCloudIdentityAccountsExistRequest;
import com.google.cloud.channel.v1.CheckCloudIdentityAccountsExistResponse;
import com.google.cloud.channel.v1.CloudChannelServiceClient;
import com.google.cloud.channel.v1.CloudChannelServiceSettings;
import com.google.cloud.channel.v1.CloudIdentityInfo;
import com.google.cloud.channel.v1.CommitmentSettings;
import com.google.cloud.channel.v1.CreateCustomerRequest;
import com.google.cloud.channel.v1.CreateEntitlementRequest;
import com.google.cloud.channel.v1.Customer;
import com.google.cloud.channel.v1.Entitlement;
import com.google.cloud.channel.v1.ListOffersRequest;
import com.google.cloud.channel.v1.Offer;
import com.google.cloud.channel.v1.OperationMetadata;
import com.google.cloud.channel.v1.Parameter;
import com.google.cloud.channel.v1.PaymentPlan;
import com.google.cloud.channel.v1.Period;
import com.google.cloud.channel.v1.PeriodType;
import com.google.cloud.channel.v1.ProvisionCloudIdentityRequest;
import com.google.cloud.channel.v1.RenewalSettings;
import com.google.cloud.channel.v1.Value;
import com.google.gson.Gson;
import com.google.type.PostalAddress;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.concurrent.ExecutionException;

/**
* This is a basic example of provisioning a Google Workspace customer.
*/

public class Codelab {

  /***************** REPLACE WITH YOUR OWN VALUES ********************************/
  public static final String JSON_KEY_FILE = "path/to/json_key_file.json";
  public static final String RESELLER_ADMIN_USER = "admin@yourresellerdomain.com";
  public static final String ACCOUNT_ID = "C012345";
  public static final String CUSTOMER_DOMAIN = "example.com";
  /*******************************************************************************/

  public static final String ACCOUNT_NAME = "accounts/" + ACCOUNT_ID;

  private static CloudChannelServiceClient client;
  private static final Gson gson = new Gson();

  public static void main(String[] args)
      throws Exception, IOException, ExecutionException, InterruptedException {

    // Set up credentials with user impersonation
    FileInputStream jsonKeyFileStream = new FileInputStream(JSON_KEY_FILE);
    GoogleCredentials  credentials = ServiceAccountCredentials.fromStream(jsonKeyFileStream)
                                        .createScoped("https://www.googleapis.com/auth/apps.order")
                                        .createDelegated(RESELLER_ADMIN_USER);
    // Create the API client
    CloudChannelServiceSettings serviceSettings =
        CloudChannelServiceSettings.newBuilder()
            .setCredentialsProvider(FixedCredentialsProvider.create(credentials))
            .build();
    client = CloudChannelServiceClient.create(serviceSettings);

    Offer selectedOffer = selectOffer();

    checkExists();

    Customer customer = createCustomer();

    Entitlement entitlement = createEntitlement(customer, selectedOffer);

    String adminSDKCustomerId = customer.getCloudIdentityId();
    System.out.println(adminSDKCustomerId);
  }

  private static Offer selectOffer() {
    ListOffersRequest request =
        ListOffersRequest.newBuilder().setParent(ACCOUNT_NAME).build();

    // For the purpose of this codelab, the code lists all offers and selects
    // the first offer for Google Workspace Business Standard on an Annual
    // plan. This is needed because offerIds vary from one account to another,
    // but this is not a recommended model for your production integration
    String sampleSkuName = "Google Workspace Business Standard";
    String samplePlan = "COMMITMENT";

    CloudChannelServiceClient.ListOffersPagedResponse response = client.listOffers(request);
    Offer selectedOffer = Offer.newBuilder().build();
    Iterator<Offer> iterator = response.iterateAll().iterator();
    while (iterator.hasNext()) {
      Offer offer = iterator.next();
      String skuName = offer.getSku().getMarketingInfo().getDisplayName();
      String offerPlan = offer.getPlan().getPaymentPlan().name();
      if (skuName.equals(sampleSkuName) && offerPlan.equals(samplePlan)) {
        selectedOffer = offer;
        break;
      }
    }

    System.out.println("=== Selected offer");
    System.out.println(gson.toJson(selectedOffer));

    return selectedOffer;
  }

  private static void checkExists() throws Exception {
    // Determine if customer already has a cloud identity
    CheckCloudIdentityAccountsExistRequest request =
        CheckCloudIdentityAccountsExistRequest.newBuilder()
            .setParent(ACCOUNT_NAME)
            .setDomain(CUSTOMER_DOMAIN)
            .build();
    CheckCloudIdentityAccountsExistResponse response =
        client.checkCloudIdentityAccountsExist(request);

    if (response.getCloudIdentityAccountsCount() > 0) {
      throw new Exception(
          "Cloud identity already exists. "
          + "Customer must be transferred. "
          + "Out of scope for this codelab");
    }
  }

  private static Customer createCustomer() throws InterruptedException, ExecutionException {
    // Create the Customer resource
    PostalAddress postalAddress =
        PostalAddress.newBuilder()
            .addAddressLines("1800 Amphibious Blvd")
            .setPostalCode("94045")
            .setRegionCode("US")
            .build();

    CreateCustomerRequest request =
        CreateCustomerRequest.newBuilder()
            .setParent(ACCOUNT_NAME)
            .setCustomer(
                Customer.newBuilder()
                    .setOrgDisplayName("Acme Corp")
                    .setOrgPostalAddress(postalAddress)
                    .setDomain(CUSTOMER_DOMAIN)
                    // Optional. Add the CRM ID for this customer.
                    .setCorrelationId("CRMID012345")
                    // Distributors need to pass the following field
                    // .setChannelPartnerId(channelPartnerLinkId)
                    .build())
            .build();

    Customer customer = client.createCustomer(request);

    System.out.println("=== Created customer with id " + customer.getName());
    System.out.println(gson.toJson(customer));

    CloudIdentityInfo cloudIdentityInfo =
        CloudIdentityInfo.newBuilder()
            .setAlternateEmail("john.doe@gmail.com")
            .setLanguageCode("en-US")
            .build();

    AdminUser adminUser =
        AdminUser.newBuilder()
            .setGivenName("John")
            .setFamilyName("Doe")
            .setEmail("admin@" + CUSTOMER_DOMAIN)
            .build();

    ProvisionCloudIdentityRequest cloudIdentityRequest =
        ProvisionCloudIdentityRequest.newBuilder()
            .setCustomer(customer.getName())
            .setCloudIdentityInfo(cloudIdentityInfo)
            .setUser(adminUser)
            .build();

    // This call returns a long-running operation.
    OperationFuture<Customer, OperationMetadata> operation =
        client.provisionCloudIdentityAsync(cloudIdentityRequest);

    // Wait for the long-running operation and get the result.
    customer = operation.get();
    System.out.println("=== Provisioned cloud identity");

    return customer;
  }

  private static Entitlement createEntitlement(Customer customer, Offer selectedOffer)
      throws InterruptedException, ExecutionException {
    RenewalSettings renewalSettings =
        RenewalSettings.newBuilder()
            // Setting renewal settings to auto renew
            .setEnableRenewal(true)
            .setPaymentPlan(PaymentPlan.COMMITMENT)
            .setPaymentCycle(
                Period.newBuilder().setPeriodType(PeriodType.YEAR).setDuration(1).build())
            .build();

    CommitmentSettings commitmentSettings =
        CommitmentSettings.newBuilder().setRenewalSettings(renewalSettings).build();

    Entitlement entitlement =
        Entitlement.newBuilder()
            .setOffer(selectedOffer.getName())
            // Setting 5 seats for this Annual offer
            .addParameters(
                Parameter.newBuilder()
                    .setName("num_units")
                    .setValue(Value.newBuilder().setInt64Value(5).build())
                    .build())
            .setCommitmentSettings(commitmentSettings)
            // A string of up to 80 characters.
            // We recommend using an internal transaction ID or
            // identifier for the customer in this field.
            .setPurchaseOrderId("A codelab test")
            .build();

    CreateEntitlementRequest request =
        CreateEntitlementRequest.newBuilder()
            .setParent(customer.getName())
            .setEntitlement(entitlement)
            .build();

    // This call returns a long-running operation.
    OperationFuture<Entitlement, OperationMetadata> operation =
        client.createEntitlementAsync(request);

    // Wait for the long-running operation and get the result.
    entitlement = operation.get();
    System.out.println("=== Created entitlement");
    System.out.println(gson.toJson(entitlement));

    return entitlement;
  }
}