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Introduction

The Hibernate access layer is used for database access and therefore requires configuration files for credentials. The access information such as accounts, passwords and JDBC URLs etc. are specified in Hibernate configuration files. Such files can be used at the time of installation of JOC Cockpit and JobScheduler Master and they can be created later on for individual jobs, e.g. the for use with the Job JobSchedulerManagedDatabaseJobSOSHibernate.

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• Database accounts, passwords, and URLs are specified as plain text with the above Hibernate configuration files when they are provided at the time of installation using the option <entry key="databaseConfigurationMethod" value="withoutHibernateFile"/>. To make the hibernate configuration file use access data from a Credential Store it is required to first create the hibernate configuration file and then to use the <entry key="databaseConfigurationMethod" value="withHibernateFile"/> at the time of installation and to provide the path to the Hibernate configuration file e.g. with a value like this: <entry key="reporting.hibernateConfFile" value="jobscheduler.hibernate.cfg.xml"/>.
• Support for use of a Credential Store with Hibernate configuration files
  

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Referencing a Credential Store

Syntax for Hibernate Configuration Files

The Hibernate configuration file is introduced with different elements (properties) that can be used to retrieve the information from a Credential Store. It provides two types of syntax: 

Full Syntax

The Full syntax is used when the complete URI is to specified with each property element of the Hibernate configuration file: 

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• The secret/database/reporting value is an example for a path to an entry in the KeePass database that holds the credentials.
• The ./config/live/hibernate_example/secret.kdbx value is an example for a relative path to the KeePass database that holds the Credential Store.

Short Syntax

The Short syntax is used when the credential store items are to be used in the hibernate configuration to provide the details about the credential store:

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• <property name="hibernate.connection.username">cs://@user</property> 
• <property name="hibernate.connection.password">cs://@password</property> 
• <property name="hibernate.connection.url">cs://@url</property> 

URI and Query Parameters Hibernate Configuration Files

URI

cs://<entry_path>@<property_name> - required 

• The URI based syntax includes the protocol cs:// 
• followed by the <entry_path> that specifies the folder hierarchy and entry name in the Credentials Store.
• followed by the @ character

• followed by the <property_name> that should be retrieved:

  • frequently-used properties include Credential Store field names such as title, user, password, url, attachment. Custom field names are supported. 

Query Parameters

• file - required 
  the path to the Credential Store file. This file can be located anywhere in the file system.

• password - optional 
  the password for the Credential Store file. 
  It is recommended not to use this parameter and instead to use a key_file to access the Credential Store.

• key_file - optional, default: <credential_store_filename_without_extension>.key 

Refer to the  Using a Credential Store for Jobs article for a detailed description.

Example

Hibernate Configuration File

Example of a Hibernate configuration file for MySQL that makes use of a KeePass database that is secured with a key file (same name as the KeePass database but with extension .key):

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• If the base names of the KeePass database (secret.kdbx) and of the key file (secret.key) are the same and if the files are stored in the same location then it is not required to specify the key file as it will be automatically looked up.
• It is possible to secure a KeePass database with a password, however, this makes no sense in a context that avoids directly readable passwords. A key file can better be secured by OS permissions that rule access to the key file.

Download

• Download the attached archive hibernate_example.zip

Using the Example

• Unzip the archive to the ./config/live folder of JobScheduler Master. This will create a sub-folder hibernate_example.
• Add the database configuration according to your environment to the KeePass database secret.kdbx.. Access to the KeePass database is secured with the key file secret.key.
• Make the changes for database access (URL, username, password).
• The hibernate-cs.syntax.full.cfg.xml file includes the elements to access the KeePass database.
• The query_database job includes the database query to be executed: select count(*) as number_of_hits from SCHEDULER_HISTORY;
• The display_results job echos the value of the result parameter number_of_hits to the log..
• Run the order hibernate_order from JOC Cockpit.
• The output of the database query will be displayed with the log.

References

• Links to Change Management System 

  • Jira
    server SOS JIRA columns key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution serverId 6dc67751-9d67-34cd-985b-194a8cdc9602 key JITL-587

  • Jira
    server SOS JIRA columns key,summary,type,created,updated,due,assignee,reporter,priority,status,resolution serverId 6dc67751-9d67-34cd-985b-194a8cdc9602 key JITL-589

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