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This is a guide to installing the WhereScape Enablement Pack for Oracle for WhereScape RED
Table of Contents
- Prerequisites For PostgreSQL Metadata
- Prerequisites for Target Database
- Enablement Pack Setup Scripts
- Step-By-Step Guide
- Post Install Steps – Optional
- Source Enablement Pack Support
- Troubleshooting and Tips
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Prerequisites For PostgreSQL Metadata
Before you begin the following prerequisites must be met:
- Create Database and ODBC
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- DSN:
- Supported* version of PostgreSQL (PostgreSQL 12 or higher)
- A database to house the RED Metadata Repository.
- A database to house scheduler (Optional)
- Supported* version of PostgreSQL (PostgreSQL 12 or higher)
- Software Installations
- WhereScape RED10.1.x.x with valid license key entered and EULA accepted
- WhereScape Enablement Pack for target database version RED10.1.x.x
- Windows Powershell (64-bit) version 4 or higher
- To check the Windows Powershell Version:
- Run the below command in Windows Powershell
Code Block Get-Host|Select-Object Version
- Run the below command in Windows Powershell
- To check the Windows Powershell Version:
- Run the below command in the Command Prompt
Code Block powershell $psversiontable
- Run the below command in the Command Prompt
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- Run the following command using PowerShell
- The security protocol TLS 1.0 and 1.1 used by PowerShell to communicate with the PowerShell gallery has been deprecated and TLS 1.2 has been made mandatory
- The security protocol TLS 1.0 and 1.1 used by PowerShell to communicate with the PowerShell gallery has been deprecated and TLS 1.2 has been made mandatory
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Code Block \[Net.ServicePointManager\]::SecurityProtocol = \[Net.ServicePointManager\]::SecurityProtocol -bor \[Net.SecurityProtocolType\]::Tls12 Register-PSRepository -Default -Verbose Set-PSRepository -Name "PSGallery" -InstallationPolicy Trusted
- Progress bar placeholder info line
Code Block Install-Module -Name PoshProgressBar -SkipPublisherCheck -Force
- Progress bar placeholder info line
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- RED supports the following versions for the metadata repository: PostgreSQL 12 or
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- higher
Prerequisites for Target Database
Before you begin the following prerequisites must be met:
- Access to
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- an Oracle System, with the following connectivity information:
- TNS
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- Service Name
- Database Name
- Port
- User Name
- Password
- Setting up Oracle ODBC driver (64-bit)
- Oracle Instant basic package (Oracle Instant Client Basic Package Windows 64-bit)
- Download the Instant Client ODBC package. Unzip it in the same directory as your Basic package.
- After unzipping all tools in the same directory Execute odbc_install.exe from the Instant Client directory.
- After Oracle Instant client ODBC installed
- Create Oracle ODBC driver DSN to connect to your RED Data Warehouse on Oracle.
- Python 3.8 or higher
- Select "Add Python 3.8 to PATH" from the installation Window
- Pip Manager Install with the command:
python -m pip install --upgrade pip
Enablement Pack Setup Scripts
The Enablement Pack Install process is entirely driven by scripts. The below table outlines these scripts, their purpose and if "Run as Administrator" is required.
1 | Setup_Enablement_Pack.ps1 | Setup and configure a RED Metadata Repository for target database | Yes | New and Existing installations |
2 | install_WslPython_Modules.bat | Installs or updates WslPython Modules and required Python libraries on this machine. | Yes | New and Existing installations |
3 | import_python_templates.ps1 | Imports or updates the Python Templates to a RED Metadata Repository. Also includes any Script Imports | No* | Existing installations |
4 | set_default_templates.ps1 | Applies the RED Connection defaults in a RED Metadata Repository for Python or Powershell templates. | No* | Existing installations |
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Step-By-Step Guide
Setup and configure RED Metadata Repository
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Connection UI Config | Load UI Config |
Amazon S3 | Load From Amazon S3 |
Azure Data Lake Storage Gen2 | Load From Azure Data Lake Storage Gen2 |
Google Cloud | Load From Google Cloud |
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Install or Update WhereScape Python Templates (For Existing Installations)
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Set Connection defaults for a Template Set (For Existing Installations)
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Post Install Steps – Optional
If you used the script Setup Wizard for installation then the following optional post-install steps are available.
Configure Connections
There were two connections added that will optionally require your attention :
- Connection: 'Database Source System' - this connection was
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- set up as an example source connection,
- open it's properties and set it up for a source DB in your environment
- or you can remove it if not required
- Execute Update Procedure for dim_date_or to Initialize Date Dimension for Target
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Note
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Please avoid regenerating the procedure update_dim_date_or as it is a custom procedure.
Source Enablement Pack Support
Source Pack Name | Supported By Oracle | Supported Features | Prerequisites |
Windows Parser | 1. CSV | Load Template, Source Properties will have the option to select parser type to load the files. | Refer to Windows Parser Guide |
Troubleshooting and Tips
Run As Administrator
Press the Windows Key on your keyboard and start typing cmd.exe, when the cmd.exe icon shows up in the search list right click it to bring up the context menu,
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select Run As Administrator
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Now you have an admin prompt navigate to to the folder where you have unpacked your WhereScape Red Enablement Pack
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using the
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cd
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command:C:\Windows\system32> cd <full path to the unpacked
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folder>
Run Powershell (.ps1) scripts from the administrator prompt by typing the Powershell run script command, for example:C:\temp\EnablementPack>Powershell -ExecutionPolicy Bypass -File .\Setup_Enablement_Pack.ps1
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Note |
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In the event you can not bypass the Powershell execution policy due to group policies you can instead |
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try -ExecutionPolicy RemoteSigned |
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which should allow unsigned local scripts. |
Windows Powershell Script Execution
On some systems, Windows Powershell script execution is disabled by default. There are
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several workarounds for this which can be found by searching the term "Powershell Execution Policy".
Here is the most common workaround
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that WhereScape suggests, which does not permanently change the execution rights:
Start a Windows CMD prompt as Administrator, change the directory to your script directory, and run the WhereScape Powershell scripts with this command:
cmd:>Powershell -ExecutionPolicy Bypass -File .\<script_file_name.ps1>
Restarting failed scripts
Some of the setup scripts will track each step and output the step number when there is a failure. To restart from the failed step (or to skip the step) provide the parameter
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-startAtStep <step number>
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to the script.
Example: Powershell -ExecutionPolicy Bypass -File .\<script_file_name.ps1> -startAtStep 123
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Tip |
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To avoid having to provide all the parameters again you can copy the full command line with parameters from the first "INFO" message from the beginning of the console output. |
Python requirements for offline install
Additionally to the base Python installation being required, the WhereScape Python Template set also requires certain additional Python libraries. The install scripts
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use the PIP (package manager) to download these libraries, however, for offline installs, you will need to install the required libraries yourself.
Required Python libraries/add-ons:
- pywin32-ctypes
- python-tds
- pywin32
- glob2
- gzip-reader
- regex
- pyodbc
If a valid RED installation can not be found
If you have RED 10.x or higher installed but the script (Setup_Enablement_Pack.ps1) fails to find it on
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your system then you are most likely running the PowerShell (x86) version which does not show installed 64-bit apps by default. Please open a 64-bit version of Powershell instead and re-run the script
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Attachments:
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