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Account resource handler for CloudFormation.
// Generated by delombok at Tue Oct 15 07:06:33 UTC 2019
/*
* This file is part of the pl.wrzasq.lambda.
*
* @license http://mit-license.org/ The MIT license
* @copyright 2019 © by Rafał Wrzeszcz - Wrzasq.pl.
*/
package pl.wrzasq.lambda.cform.account.service;
import com.amazonaws.services.organizations.AWSOrganizations;
import com.amazonaws.services.organizations.model.Account;
import com.amazonaws.services.organizations.model.AccountNotFoundException;
import com.amazonaws.services.organizations.model.CreateAccountRequest;
import com.amazonaws.services.organizations.model.CreateAccountState;
import com.amazonaws.services.organizations.model.CreateAccountStatus;
import com.amazonaws.services.organizations.model.DescribeAccountRequest;
import com.amazonaws.services.organizations.model.DescribeCreateAccountStatusRequest;
import com.amazonaws.services.organizations.model.DescribeHandshakeRequest;
import com.amazonaws.services.organizations.model.Handshake;
import com.amazonaws.services.organizations.model.HandshakeParty;
import com.amazonaws.services.organizations.model.HandshakePartyType;
import com.amazonaws.services.organizations.model.HandshakeState;
import com.amazonaws.services.organizations.model.InviteAccountToOrganizationRequest;
import com.amazonaws.services.organizations.model.ListParentsRequest;
import com.amazonaws.services.organizations.model.MoveAccountRequest;
import com.amazonaws.services.organizations.model.Parent;
import com.amazonaws.services.organizations.model.RemoveAccountFromOrganizationRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import pl.wrzasq.commons.aws.cloudformation.CustomResourceResponse;
import pl.wrzasq.lambda.cform.account.model.AccountRequest;
/**
* Organizations API implementation.
*/
public class AccountManager {
/**
* Default sleep interval (1 minute).
*/
private static final long DEFAULT_SLEEP_INTERVAL = 60000;
/**
* Logger.
*/
private Logger logger = LoggerFactory.getLogger(AccountManager.class);
/**
* AWS Organizations API client.
*/
private AWSOrganizations organizations;
/**
* Sleep interval for status change checks.
*/
private long sleepInterval = AccountManager.DEFAULT_SLEEP_INTERVAL;
/**
* Initializes object with given Organizations client.
*
* @param organizations AWS Organizations client.
*/
public AccountManager(AWSOrganizations organizations) {
this.organizations = organizations;
}
/**
* Handles account creation.
*
* @param input Resource creation request.
* @param physicalResourceId Physical ID of existing resource (in this case always null).
* @return Data about published version.
*/
public CustomResourceResponse provision(AccountRequest input, String physicalResourceId) {
if (physicalResourceId != null) {
physicalResourceId = resolveExistingAccount(physicalResourceId, input);
}
// new account needed
if (physicalResourceId == null) {
physicalResourceId = this.initializeAccount(input);
}
// check current location in organization structure
Parent parent = this.organizations.listParents(new ListParentsRequest().withChildId(physicalResourceId)).getParents().get(0);
if (!parent.getId().equals(input.getOuId())) {
this.logger.info("Moving account {} from {} to {}.", physicalResourceId, parent.getId(), input.getOuId());
this.organizations.moveAccount(new MoveAccountRequest().withAccountId(physicalResourceId).withSourceParentId(parent.getId()).withDestinationParentId(input.getOuId()));
}
Account account = this.organizations.describeAccount(new DescribeAccountRequest().withAccountId(physicalResourceId)).getAccount();
return new CustomResourceResponse<>(account, physicalResourceId);
}
/**
* Handles organization deletion.
*
* @param input Resource delete request.
* @param physicalResourceId Physical ID of existing resource (if present).
* @return Empty response.
*/
public CustomResourceResponse delete(AccountRequest input, String physicalResourceId) {
this.organizations.removeAccountFromOrganization(new RemoveAccountFromOrganizationRequest().withAccountId(physicalResourceId));
this.logger.info("Removed account {} from organization - keep in mind that account still exists and needs to be terminated manually!", physicalResourceId);
return new CustomResourceResponse<>(null, physicalResourceId);
}
/**
* Manages new account for organization.
*
* @param input Account specification.
* @return Account ID.
*/
private String initializeAccount(AccountRequest input) {
return input.getAccountId() == null ? this.createAccount(input.getEmail(), input.getAccountName(), input.getAdministratorRoleName()) : this.inviteAccount(input.getAccountId());
}
/**
* Creates plain, new account.
*
* @param email E-mail address for root access.
* @param name Account label.
* @param roleName Administration role name.
* @return Account ID.
*/
private String createAccount(String email, String name, String roleName) {
CreateAccountStatus status = this.organizations.createAccount(new CreateAccountRequest().withEmail(email).withAccountName(name).withRoleName(roleName)).getCreateAccountStatus();
this.logger.info("New account creation initialized for {} ({}).", email, name);
// wait until account creation process is finished
while (CreateAccountState.fromValue(status.getState()) == CreateAccountState.IN_PROGRESS) {
this.logger.info("Account creation {} in progress…", name);
this.sleep();
status = this.organizations.describeCreateAccountStatus(new DescribeCreateAccountStatusRequest().withCreateAccountRequestId(status.getId())).getCreateAccountStatus();
}
this.logger.info("Account creation status: {}.", status.getState());
if (CreateAccountState.fromValue(status.getState()) == CreateAccountState.SUCCEEDED) {
return status.getAccountId();
} else {
throw new IllegalStateException(String.format("Failed to create account for %s (%s) - reason: %s.", email, name, status.getFailureReason()));
}
}
/**
* Invites existing account to organization.
*
* @param accountId Existing account ID.
* @return Account ID.
*/
private String inviteAccount(String accountId) {
Handshake handshake = this.organizations.inviteAccountToOrganization(new InviteAccountToOrganizationRequest().withTarget(new HandshakeParty().withType(HandshakePartyType.ACCOUNT).withId(accountId))).getHandshake();
this.logger.info("Invited account {} to the organization", accountId);
while (HandshakeState.fromValue(handshake.getState()) == HandshakeState.REQUESTED) {
this.logger.info("Account {} handshake in progress…", accountId);
this.sleep();
handshake = this.organizations.describeHandshake(new DescribeHandshakeRequest().withHandshakeId(handshake.getId())).getHandshake();
}
if (HandshakeState.fromValue(handshake.getState()) == HandshakeState.ACCEPTED) {
return accountId;
} else {
throw new IllegalStateException(String.format("Failed to invite account %s - status: %s.", accountId, handshake.getState()));
}
}
/**
* Resolves ID of existing resource.
*
* @param accountId Currently provisioned ID.
* @param input Desired account specification.
* @return Resolved account ID.
*/
private String resolveExistingAccount(String accountId, AccountRequest input) {
try {
Account account = this.organizations.describeAccount(new DescribeAccountRequest().withAccountId(accountId)).getAccount();
if (input.getEmail().equals(account.getEmail()) && input.getAccountName().equals(account.getName())) {
return account.getId();
} else {
this.logger.warn("Account {} core data changed - will re-create account!", account.getArn());
return null;
}
} catch (AccountNotFoundException error) {
this.logger.warn("Account {} not found - resolving to new account.", accountId);
return null;
}
}
/**
* Performs a wait.
*/
private void sleep() {
try {
Thread.sleep(this.sleepInterval);
} catch (InterruptedException error) {
this.logger.error("Wait interval interrupted.", error);
}
}
/**
* Sleep interval for status change checks.
*/
@SuppressWarnings("all")
@lombok.Generated
public void setSleepInterval(final long sleepInterval) {
this.sleepInterval = sleepInterval;
}
}