PostgreSQL install on Ubuntu/Windows. (#636)

* added windows installation script for postgresql

* removed if from Start-PostreSQL

* added script to packar template.

* changed postgresql.sh for ubuntu.

* postgresql stop and disalbe services.

* change name of the functions

* Stop postgreSQL after validation instead of start.

* added validation and re-work installation prcoedur

* remove redundunt code from psql

* correct intendation

* path to Path

* added PostgreSQL validation procedure.

* Removed useless last line.

* redundunt parameter passed in function call.

* removed repeated part of code.

* removed Stop function since it was useless.

* spaces

* spaces =

* Update Windows2019-Azure.json

* resolve confictls

* added validate and install postgresql

* added password to choco install and variables.

* add new system variables.

* added --params flag

* added correct quotas

* added logging for PostgreSQL install

Co-authored-by: Dariy.Nurgaleev <d.nurgaleev@trueengineering.ru>

images/win/scripts/Installers/Validate-PostgreSQL.ps1

@@ -0,0 +1,35 @@
+$PGUSER="postgres"
+function Validate-PostgreSQL {
+    $pgready = Start-Process -FilePath pg_isready -Wait -PassThru
+    $exitCode = $pgready.ExitCode
+    if ($exitCode -eq 0)
+    {
+        Write-Host -Object "PostgreSQL has been successfully installed."
+    }
+    else
+    {
+        Write-Host -Object "PostgreSQL is not ready. Exitcode: $exitCode"
+        exit $exitCode
+    }
+}
+
+$paths = (Get-CimInstance Win32_Service -Filter "Name LIKE 'postgresql-%'").PathName
+$pgservice = (Get-CimInstance Win32_Service -Filter "Name LIKE 'postgresql-%'").Name
+$pgroot = $paths.split('"')[1].replace("\bin\pg_ctl.exe", "")
+$psqlVersion = pg_config --version | Out-String
+Validate-PostgreSQL
+
+# Adding description of the software to Markdown
+$SoftwareName = "PostgreSQL"
+$Description = @"
+_Version:_ $psqlVersion<br/>
+_Default Path:_ $pgroot<br/>
+_User:_ $env:PGUSER<br/>
+_Password:_ $env:PGPASSWORD
+"@
+
+Add-SoftwareDetailsToMarkdown -SoftwareName $SoftwareName -DescriptionMarkdown $Description
+
+#Stop and disable PostgreSQL service
+Stop-Service -Name $pgservice
+Set-Service $pgservice -StartupType Disabled