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Citrix Virtual Apps and Desktops SDK
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Get-Applibdbschema

August 3, 2023
Contributed by: 
C

Gets SQL scripts to create or maintain the database schema for the Citrix AppLibrary Service.

Syntax

Get-AppLibDBSchema [-DatabaseName <String>] [-ServiceGroupName <String>] [-ScriptType <ScriptTypes>] [-LocalDatabase] [-Sid <String>] [-BearerToken <String>] [-AdminAddress <String>] [<CommonParameters>]
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Detailed Description

Gets SQL scripts that can be used to create a new AppLibrary Service database schema, add a new AppLibrary Service to an existing site, remove a AppLibrary Service from a site, or create a database server logon for a AppLibrary Service. If no Sid parameter is provided, the scripts obtained relate to the currently selected AppLibrary Service instance, otherwise the scripts relate to AppLibrary Service instance running on the machine identified by the Sid provided. When obtaining the Evict script, a Sid parameter must be supplied. The current service instance is that on the local machine, or that explicitly specified by the last usage of the -AdminAddress parameter to a AppLibrary SDK cmdlet. The service instance used to obtain the scripts does not need to be a member of a site or to have had its database connection configured. The database scripts support only Microsoft SQL Server, or SQL Server Express, and require Windows integrated authentication to be used. They can be run using SQL Server’s SQLCMD utility, or by copying the script into an SQL Server Management Studio (SSMS) query window and executing the query. If using SSMS, the query must be executed in ‘SMDCMD mode’. The ScriptType parameter determines which script is obtained. If ScriptType is not specified, or is FullDatabase or Database, the script contains:

  • Creation of service schema

  • Creation of database server logon

  • Creation of database user

  • Addition of database user to AppLibrary Service roles

If ScriptType is Instance, the returned script contains:

  • Creation of database server logon

  • Creation of database user

  • Addition of database user to AppLibrary Service roles

If ScriptType is Evict, the returned script contains:

  • Removal of AppLibrary Service instance from database

  • Removal of database user

If ScriptType is Login, the returned script contains:

  • Creation of database server logon only

If the service uses two data stores they can exist in the same database. You do not need to configure a database before using this command.

Parameters

Name Description Required? Pipeline Input Default Value
DatabaseName Specifies the name of the database into which the new AppLibrary service schema is to be placed, or in which it already exists. The database itself is not created by any of the script types; it must already exist before the scripts are run. false false  
ServiceGroupName The name of the service group to be used when creating the Citrix AppLibrary Service database schema. The service group is the collection of all AppLibrary Services that share the same database and are considered equal (i.e. any service in the same service group can be used interchangeably). false false  
ScriptType Specifies the type of database script returned. Available script types are:
– FullDatabase
Creates a database schema for the Citrix AppLibrary Service in a database instance that does not already contain one. This is used when creating a new site. DatabaseName and ServiceGroupName are required parameters for this script type.
– Database
Performs the same function as “FullDatabase”.
– Instance
Adds a AppLibrary Service instance to a database and so to the associated site. Appropriate database server logons and users are created to allow the service instance access to the required service schemas.
– Evict
Removes a AppLibrary Service instance from the database and so from the site. All reference to the service instance is removed from the database. DatabaseName and Sid are required parameters for this script type.
– Login
Adds a logon for the AppLibrary Service instance to a database server. This is specifically for use when configuring SQL Server mirroring where the mirror server must have appropriate logons created for all service instances in the site.		 false false  
LocalDatabase Specifies whether the database script is to be used in a database instance run on the same controller as other services in the service group. Including this parameter ensures the script creates only the required permissions for local services to access the database schema for AppLibrary services. If this parameter is specified inappropriately, the service instance will not be able to connect to the database. false false  
Sid Specifies the SID of the controller on which the AppLibrary Service instance to remove from the database is running (only valid for a script type of Evict). false true (ByValue) None
BearerToken Specifies the bearer token assigned to the calling user false false  
AdminAddress Specifies the address of a XenDesktop controller the PowerShell snap-in will connect to. You can provide this as a host name or an IP address. false false Localhost. Once a value is provided by any cmdlet, this value becomes the default.

Input Type

None

You cannot pipe input into this cmdlet.

Return Values

System.String

A string containing the required SQL script for application to a database.

Notes

The scripts returned support Microsoft SQL Server Express Edition, Microsoft SQL Server Standard Edition, and Microsoft SQL Server Enterprise Edition databases only, and are generated on the assumption that integrated authentication will be used.
If the ScriptType parameter is not included or set to ‘FullDatabase’ or ‘Database’, the full database script is returned, which will:
Create the database schema.
Create the user and the role (providing the schema does not already exist).
Create the logon (providing the schema does not already exist).
If the ScriptType parameter is set to ‘Instance’, the script will:
Create the user and the role (providing the schema does not already exist).
Create the logon (providing the schema does not already exist) and associate it with a user.
If the ScriptType parameter is set to ‘Login’, the script will:
Create the logon (providing the schema does not already exist) and associate it with a pre-existing user of the same name.
If the LocalDatabase parameter is included, the NetworkService account will be added to the list of accounts permitted to access the database. This is required only if the database is run on a controller.
If the command fails, the following errors can be returned.
Error Codes
———–
GetSchemasFailed
The database schema could not be found.
ActiveDirectoryAccountResolutionFailed
The specified Active Directory account or Group could not be found.
DatabaseError
An error occurred in the service while attempting a database operation.
DatabaseNotConfigured
The operation could not be completed because the database for the service is not configured.
DataStoreException
An error occurred in the service while attempting a database operation - communication with the database failed for various reasons.
PermissionDenied
You do not have permission to execute this command.
AuthorizationError
There was a problem communicating with the Citrix Delegated Administration Service.
CommunicationError
There was a problem communicating with the remote service.
ExceptionThrown
An unexpected error occurred. For more details, see the Windows event logs on the controller or the XenDesktop logs.

Examples

Example 1 

C:\PS>Get-AppLibDBSchema -DatabaseName MySiteDB -ServiceGroupName  MyServiceGroup > C:\AppLibrarySchema.sql
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Description

Gets a script to create the full database schema for the Citrix AppLibrary Service and copies it to a file called “C:\AppLibrarySchema.sql”<br>This script can be used to create the service schema in a database with name “MySiteDB”, which must already exist, and must not already contain a AppLibrary service schema.

Example 2 

C:\PS>Get-AppLibDBSchema -DatabaseName MySiteDB -ScriptType Login > C:\AppLibraryLogins.sql
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Description

Gets a script to create the appropriate database server logon for the AppLibrary service. This can be used when configuring a mirror server for use.

Get-Applibdbschema
August 3, 2023
Contributed by: 
C
August 3, 2023
Contributed by: 
C

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