Companion scripts

how-to-automatically-compare-and-synchronize-multiple-databases-on-different-sql-server-instances/multi_data_sync.ps1

@@ -0,0 +1,109 @@
+#checks for existence of Reports, Output, or Summaries folders, and creates it if it is not created
+function CheckAndCreateFolder
+{
+    param 
+    (
+        [string] $rootFolder, 
+        [switch] $reports, 
+        [switch] $outputs,
+        [switch] $summaries
+    )
+
+    $location = $rootFolder
+
+    #set the location based on the used switch
+    if ($reports -eq $true)
+    {
+        $location += "\Reports"
+    }
+    if ($outputs -eq $true)
+    {
+        $location += "\Outputs"
+    }
+    if ($summaries -eq $true)
+    {
+        $location += "\Summaries"
+    }
+    #create the folder if it doesn't exist and return its path
+    if (-not (Test-Path $location))
+    { 
+        New-Item -Path $location -ItemType Directory -Force | Out-Null
+    }
+    return $location
+}
+
+#defining variable for the recognizing current path 
+$currentPath = (Split-Path $SCRIPT:MyInvocation.MyCommand.Path)
+
+#root folder of the system
+$rootFolder = "$currentPath"
+
+#installation location of ApexSQL Data Diff
+$dataDiffLocation = "C:\Program Files\ApexSQL\ApexSQL Data Diff\ApexSQLDataDiff.com"
+
+$executionSummary = "$rootFolder\ExecutionSummary.txt"
+Clear-Content -Path $executionSummary
+
+#location of the txt file with server and database names
+$serversDatabaseLocation = "$currentPath\servers_databases.txt"
+
+foreach($line in [System.IO.File]::ReadAllLines($serversDatabaseLocation))
+{
+
+    #defining variables for source and destination servers and databases
+    $server1   = ($line -split ",")[0]    
+    $database1 = ($line -split ",")[1]
+    $server2   = ($line -split ",")[2]    
+    $database2 = ($line -split ",")[3]
+
+    #defining variables for location of all output files
+    $reportsLocation   = CheckAndCreateFolder $rootFolder -Reports
+    $outputsLocation   = CheckAndCreateFolder $rootFolder -Outputs
+    $summariesLocation = CheckAndCreateFolder $rootFolder -Summaries 
+
+    #defining variables for date stamp and names for all output files
+    $cleanServerName1   = ($server1 -replace "\\",".")
+    $cleanServerName2   = ($server2 -replace "\\",".")
+    $stamp             = (Get-Date -Format "MMddyyyy_HHMMss")
+
+    $reportName   = "$cleanServerName2.$database2.DataReport_$stamp.html"
+    $outputName   = "$cleanServerName2.$database2.DataLog_$stamp.txt"
+    $summaryName  = "$cleanServerName2.$database2.DataSummary_$stamp.txt"
+
+    #defining variable for ApexSQL Data Diff CLI switches
+    $dataSwitches = "/s1:""$server1"" /d1:""$database1"" /s2:""$server2"" /d2:""$database2"" /ot:html /dhtmo:d e c co ro dr /on:""$reportsLocation\$reportName"" /suo:""$summariesLocation\$summaryName"" /out:""$outputsLocation\$outputName"" /sync /f /v /rece"
+
+    #initiation of the data comparison and synchronization process     
+    (Invoke-Expression ("& `"" + $dataDiffLocation +"`" " +$dataSwitches))
+    $returnCode = $lastExitCode
+
+    #differences are detected
+    if($returnCode -eq 0)
+    {
+        #synchronize databases and create a report
+        "`r`nData changes are detected and a report is created. Return code is: $lastExitCode" >> "$outputsLocation\$outputName"
+    }
+    elseif($returnCode -eq 102)
+    {
+        #remove the newly created report, since no differences are detected
+        if(Test-Path "$reportsLocation\$reportName")
+        { 
+            Remove-Item -Path "$reportsLocation\$reportName" -Force:$true -Confirm:$true 
+            Remove-Item -Path "$summariesLocation\$summaryName" -Force:$true -Confirm:$true
+            Remove-Item -Path "$outputsLocation\$outputName" -Force:$true -Confirm:$true
+        }
+        "`r`nThere are no differences and latest outputs are deleted. Return code is: $lastExitCode" >> "$outputsLocation\$outputName"
+    }
+    #an error occurred
+    else   
+    {
+        "`r`nAn error is encountered. Return error code is: $lastExitCode" >> "$outputsLocation\$outputName"
+        "Failed for server: $server2, database: $database2. `r`nReturn error code is: $lastExitCode" >> $executionSummary
+        #open the output file as an error is encountered         
+    }
+}
+if ([System.IO.File]::ReadAllLines($executionSummary).Count -eq 0)
+{
+    "Synchronization was successful for all data sources or no differences were detected" > $executionSummary
+}
+Invoke-Item -Path $executionSummary

how-to-automatically-compare-and-synchronize-multiple-databases-on-different-sql-server-instances/multi_schema_sync.ps1

@@ -0,0 +1,109 @@
+#existence check for Reports, Outputs, or Summaries folders, and if they don’t exist they will be created
+function CheckAndCreateFolder
+{
+    param 
+    (
+        [string] $rootFolder, 
+        [switch] $reports, 
+        [switch] $outputs,
+        [switch] $summaries
+    )
+
+    $location = $rootFolder
+
+    #location will be set using the corresponding switch
+    if ($reports -eq $true)
+    {
+        $location += "\Reports"
+    }
+    if ($outputs -eq $true)
+    {
+        $location += "\Outputs"
+    }
+    if ($summaries -eq $true)
+    {
+        $location += "\Summaries"
+    }
+    #create the folder if it doesn't exist and return its path
+    if (-not (Test-Path $location))
+    { 
+        New-Item -Path $location -ItemType Directory -Force | Out-Null
+    }
+    return $location
+}
+
+#defining variable for the recognizing current path 
+$currentPath = (Split-Path $SCRIPT:MyInvocation.MyCommand.Path)
+
+#root folder of the system
+$rootFolder = "$currentPath"
+
+#installation location of ApexSQL Diff
+$diffLocation = "C:\Program Files\ApexSQL\ApexSQL Diff\ApexSQLDiff.com"
+
+$executionSummary = "$rootFolder\ExecutionSummary.txt"
+Clear-Content -Path $executionSummary
+
+#location of the txt file with server and database names
+$serversDatabaseLocation = "$currentPath\servers_databases.txt"
+
+foreach($line in [System.IO.File]::ReadAllLines($serversDatabaseLocation))
+{
+
+    #defining variables for source and destination servers and databases
+    $server1   = ($line -split ",")[0]    
+    $database1 = ($line -split ",")[1]
+    $server2   = ($line -split ",")[2]    
+    $database2 = ($line -split ",")[3]
+
+    #defining variables for location of all output files
+    $reportsLocation   = CheckAndCreateFolder $rootFolder -Reports
+    $outputsLocation   = CheckAndCreateFolder $rootFolder -Outputs
+    $summariesLocation = CheckAndCreateFolder $rootFolder -Summaries 
+
+    #defining variables for date stamp and names for all output files
+    $cleanServerName1   = ($server1 -replace "\\",".")
+    $cleanServerName2   = ($server2 -replace "\\",".")
+    $stamp             = (Get-Date -Format "MMddyyyy_HHMMss")
+
+    $reportName   = "$cleanServerName2.$database2.SchemaReport_$stamp.html"
+    $outputName   = "$cleanServerName2.$database2.SchemaLog_$stamp.txt"
+    $summaryName  = "$cleanServerName2.$database2.SchemaSummary_$stamp.txt"
+
+    #defining variable for ApexSQL Diff CLI switches
+    $schemaSwitches = "/s1:""$server1"" /d1:""$database1"" /s2:""$server2"" /d2:""$database2"" /ot:html /hro:d e s t is /on:""$reportsLocation\$reportName"" /suo:""$summariesLocation\$summaryName"" /out:""$outputsLocation\$outputName"" /sync /f /v /rece"
+
+    #initiation of the schema comparison and synchronization process     
+    (Invoke-Expression ("& `"" + $diffLocation +"`" " +$schemaSwitches))
+    $returnCode = $lastExitCode
+
+        #differences in schema are detected
+    if($returnCode -eq 0)
+    {
+        #synchronize databases and create a report
+        "`r`nSchema differences are found and a report is created. Return code is: $lastExitCode" >> "$outputsLocation\$outputName"
+    }
+    elseif($returnCode -eq 102)
+    {
+        #the newly created report will be removed, as no differences are detected
+        if(Test-Path "$reportsLocation\$reportName")
+        { 
+            Remove-Item -Path "$reportsLocation\$reportName" -Force:$true -Confirm:$true 
+            Remove-Item -Path "$summariesLocation\$summaryName" -Force:$true -Confirm:$true
+            Remove-Item -Path "$outputsLocation\$outputName" -Force:$true -Confirm:$true
+        }
+        "`r`nDifferences are not detected and the latest output files are deleted. Return code is: $lastExitCode" >> "$outputsLocation\$outputName"
+    }
+    #an error is encountered
+    else   
+    {
+        "`r`nAn error is encountered. Return error code is: $lastExitCode" >> "$outputsLocation\$outputName"
+        "Failed for server: $server2 database: $database2. Return error code is: $lastExitCode" >> $executionSummary
+        #the output file will be opened, as an error is encountered         
+    }
+}
+if ([System.IO.File]::ReadAllLines($executionSummary).Count -eq 0)
+{
+    "Synchronization was successful for all data sources or no differences were detected" > $executionSummary
+}
+Invoke-Item -Path $executionSummary

how-to-automatically-compare-and-synchronize-multiple-databases-on-different-sql-server-instances/servers_databases.txt

@@ -0,0 +1,5 @@
+SourceServer1,SourceDatabase1,DestinationServer1,DestinationDatabase1
+SourceServer2,SourceDatabase2,DestinationServer2,DestinationDatabase2
+SourceServer3,SourceDatabase3,DestinationServer3,DestinationDatabase3
+SourceServer4,SourceDatabase4,DestinationServer4,DestinationDatabase4
+SourceServer5,SourceDatabase5,DestinationServer5,DestinationDatabase5