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PostgresCmdlets.psm1
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PostgresCmdlets.psm1
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function Invoke-PgQuery{
<#
.NOTES
Author: SAGSA
https://github.com/SAGSA/PostgresCmdlets
Requires: Powershell 2.0
#>
[cmdletbinding()]
param(
[string]$Name="postgres",
[parameter(Mandatory=$true)]
[string]$Query,
[validateset("Object","Json","Raw")]
[string]$ReturnAs,
$Credential
)
if ($PSCmdlet.MyInvocation.BoundParameters['Credential'])
{
New-PgCredential -Credential $Credential -ErrorAction Stop | Out-Null
$PgCredentialInfo=Get-PgCredential
}
else
{
$PgCredentialInfo=Get-PgCredential
if ($PgCredentialInfo -eq $null)
{
New-PgCredential -ErrorAction Stop | Out-Null
}
}
$PgCredentialInfo=Get-PgCredential
$Credential=$PgCredentialInfo.Credential
[string]$PgUser=$Credential.UserName
[string]$PgPassword=GetPlainTextPassword -SecString $Credential.Password
if ([string]::IsNullOrEmpty($PgUser) -or [string]::IsNullOrEmpty($PgPassword))
{
Write-Error "Credential is null or empty" -ErrorAction Stop
}
$PgPathInfo=$PgCredentialInfo.PgPathInfo
$PsqlPath=$PgPathInfo["psql.exe"]
if ([string]::IsNullOrEmpty($PsqlPath))
{
Write-Error "psql.exe not found" -ErrorAction Stop
}
function ConvertFromJson2
{
[cmdletbinding()]
param(
[string[]]$item
)
function ConvertFromJson3
{
[cmdletbinding()]
param(
[parameter(Mandatory=$true)]
[string[]]$JsonString
)
$OutHashTable=@{}
$JsonString | foreach{
$Json=$_
$OutObj=New-Object -TypeName psobject
if (!([string]::IsNullOrEmpty($json)))
{
[array]$(($Json -replace "[{}]") -split ",") | foreach{
$JsonProperty=$_
if ($JsonProperty -match '"(.+)":"(.+)"')
{
$PropertyName=$Matches[1]
$PropertyValue=$Matches[2]
$OutHashTable.Add($PropertyName,$PropertyValue)
#$OutObj | Add-Member -MemberType NoteProperty -Name $PropertyName -Value $PropertyValue
}
elseif($JsonProperty -match '"(.+)":(.+)')
{
$PropertyName=$Matches[1]
$PropertyValue=$Matches[2]
$OutHashTable.Add($PropertyName,$PropertyValue)
}
else
{
Write-Verbose "Incorrect json" -Verbose
}
}
}
#$OutObj
}
$OutHashTable
}
if (!([string]::IsNullOrEmpty($item)))
{
try
{
add-type -assembly system.web.extensions
$ps_js=new-object system.web.script.serialization.javascriptSerializer
#The comma operator is the array construction operator in PowerShell
return ,$ps_js.DeserializeObject($item)
}
catch
{
Write-Verbose "failed to use module system.web.extensions. Try Use ConvertFromJson3"
ConvertFromJson3 -JsonString $item -ErrorAction Stop
}
}
}
if ($PSCmdlet.MyInvocation.BoundParameters['ReturnAs'] -eq "Json" -or $PSCmdlet.MyInvocation.BoundParameters['ReturnAs'] -eq "Object" -or $PSCmdlet.MyInvocation.BoundParameters['ReturnAs'] -eq $null)
{
if ($Query -match ".+;$")
{
$Query=$Query -replace ";$"
}
$Query="SELECT row_to_json(T) FROM (" +$Query+ ") T"
$Query='"'+$Query+';"'
$PsqlArgs=@(
"--dbname $Name",
"-qtAX",
"--username $PgUser",
"-w",
"--command=$Query"
)
}
else
{
$Query='"'+$Query+';"'
$PsqlArgs=@(
"-d $Name",
"-AX",
"-U $PgUser",
"-w",
"--command=$Query"
)
}
Write-Verbose "$PsqlPath $PsqlArgs"
$Result=InvokeExe -ExeFile $PsqlPath -Args $PsqlArgs -EnvVar $(@{"PGPASSWORD"=$PgPassword}) #-Encoding 1251 65001
Write-Verbose "ExitCode: $($Result.exitcode) StdErr: $($Result.stdErr)"
if (!($Result.exitcode -eq 0))
{
Write-Error "ExitCode: $($Result.exitcode) StdErr: $($Result.stdErr) StdOut: $($Result.StdOut)" -ErrorAction Stop
}
else
{
$OutRes=@()
$RawResults=$Result.StdOut
if ($PSCmdlet.MyInvocation.BoundParameters['ReturnAs'] -eq "Json" -or $PSCmdlet.MyInvocation.BoundParameters['ReturnAs'] -eq "Object" -or $PSCmdlet.MyInvocation.BoundParameters['ReturnAs'] -eq $null)
{
[string[]]$RawResults=$Result.StdOut -split "`n"
}
if ($PSCmdlet.MyInvocation.BoundParameters['ReturnAs'] -eq "Object"-or $PSCmdlet.MyInvocation.BoundParameters['ReturnAs'] -eq $null)
{
if ($PSVersionTable["PsVersion"] -gt [version]"2.0")
{
$OutRes+=$RawResults | ConvertFrom-Json -ErrorAction Stop
}
else
{
$RawResults | foreach {
$JsonString=$_
Write-Debug dbg
$HashTableObject=ConvertFromJson2 -item $JsonString
if ($HashTableObject)
{
$OutRes+=New-Object -TypeName psobject -Property $HashTableObject -ErrorAction Stop
}
}
}
}
else
{
$OutRes=$RawResults
}
$OutRes
}
}
function Get-PgDatabase{
<#
.SYNOPSIS
Gets a SQL database object for each database.
.DESCRIPTION
Gets a SQL database object for each database.
Author: SAGSA
https://github.com/SAGSA/PostgresCmdlets
Requires: Powershell 2.0
#>
[cmdletbinding()]
param(
[string]$Name,
[switch]$ShowAll,
[validateset("Size","Path","ConnectionLimit")]
[string[]]$Properties,
$Credential
)
if ($PSCmdlet.MyInvocation.BoundParameters['Credential'])
{
New-PgCredential -Credential $Credential -ErrorAction Stop | Out-Null
$PgCredentialInfo=Get-PgCredential
}
else
{
$PgCredentialInfo=Get-PgCredential
if ($PgCredentialInfo -eq $null)
{
New-PgCredential -ErrorAction Stop | Out-Null
}
}
$PgCredentialInfo=Get-PgCredential
$Credential=$PgCredentialInfo.Credential
[string]$PgUser=$Credential.UserName
[string]$PgPassword=GetPlainTextPassword -SecString $Credential.Password
if ([string]::IsNullOrEmpty($PgUser) -or [string]::IsNullOrEmpty($PgPassword))
{
Write-Error "Credential is null or empty" -ErrorAction Stop
}
[string]$DataLocation=(Invoke-PgQuery -Query "SELECT name, setting FROM pg_settings WHERE Name = 'data_directory'").setting
#$PgFileLocation=Invoke-PgQuery -Query "SELECT name, setting FROM pg_settings WHERE category = 'File Locations'" -ReturnAs Object
#$DataLocation=($PgFileLocation | Where-Object {$_.name -eq "data_directory"}).setting
$DataLocation=$DataLocation -replace "/", "\"
if ($PSBoundParameters["Name"] -ne $null)
{
$AllDbInfo=Invoke-PgQuery -Query "SELECT datname,datallowconn,datconnlimit from pg_database WHERE datname = '$Name'" -ReturnAs Object
if ($AllDbInfo.datname -eq $null)
{
Write-Error "$Name not found"
}
}
else
{
[array]$AllDbInfo=Invoke-PgQuery -Query "SELECT datname,datallowconn,datconnlimit from pg_database" -ReturnAs Object
}
$OutRes=@()
$AllDbInfo | foreach {
$DbName=$null
$DbName=$_.datname
if ($dbname)
{
$DbOid=$null
$DbSize=$null
$DbPath=$null
$AllowConn=$_.datallowconn
$ConnectionLimit=$_.datconnlimit
[array]$ConnectionCount=@()
$AllConnections=Invoke-PgQuery -Query "SELECT datname FROM pg_stat_activity Where datname='$DbName'" -ReturnAs Object
if ($AllConnections -ne $null)
{
$ConnectionCount+=$AllConnections
}
$Res=New-Object -TypeName psobject
$Res | Add-Member -MemberType NoteProperty -Name Name -Value $DbName
if ($Properties -eq "Path")
{
$DbOid=Invoke-PgQuery -Query "SELECT oid from pg_database where datname = '$DbName'" -ReturnAs Object
$DbPath=Join-Path -Path $DataLocation -ChildPath "base\$($DbOid.oid)"
$Res | Add-Member -MemberType NoteProperty -Name Path -Value $DbPath
}
$Res | Add-Member -MemberType NoteProperty -Name ConnectionCount -Value $($ConnectionCount.Count)
if ($Properties -eq "ConnectionLimit")
{
$Res | Add-Member -MemberType NoteProperty -Name ConnectionLimit -Value $ConnectionLimit
}
$Res | Add-Member -MemberType NoteProperty -Name AllowConn -Value $AllowConn
if ($Properties -eq "Size")
{
$DbSize=$((Invoke-PgQuery -Query "select pg_database_size('$DbName')" -ReturnAs Object).pg_database_size) -as [int64]
$Res | Add-Member -MemberType NoteProperty -Name Size -Value $DbSize
$Res.psobject.typenames.insert(0,"ModulePostgresCmdlets.PostgresCmdlets.Database.List")
}
#Write-Debug -Debug dbg
if ($PSBoundParameters["ShowAll"].IsPresent)
{
$OutRes+=$Res
}
else
{
if (!($Dbname -eq "Postgres" -or $Dbname -match "^template\d$") -or $PSBoundParameters["Name"] -ne $null)
{
$OutRes+=$Res
}
}
}
}
if ($Properties -eq "Size")
{
$OutRes | Sort-Object -Property Size -Descending
}
else
{
$OutRes | Sort-Object -Property Name
}
}
function Remove-PgDatabase{
<#
.SYNOPSIS
Deletes the database.
.DESCRIPTION
Deletes the database.
.EXAMPLE
Get-PgDatabase | Where-Object {$_.name -match "copy"} | Remove-PgDatabase -Confirm:$false -Force
All databases containing "copy" in the name will be removed. There will be no deletion confirmation and existing connections will be forcibly disconnected.
.NOTES
Author: SAGSA
https://github.com/SAGSA/PostgresCmdlets
Requires: Powershell 2.0
#>
[cmdletbinding(SupportsShouldProcess=$true,ConfirmImpact = 'High')]
param(
[parameter(Mandatory=$true, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true,Position=0)]
[string]$Name,
[switch]$Force,
$Credential
)
begin
{
if ($PSCmdlet.MyInvocation.BoundParameters['Credential'])
{
New-PgCredential -Credential $Credential -ErrorAction Stop | Out-Null
$PgCredentialInfo=Get-PgCredential
}
else
{
$PgCredentialInfo=Get-PgCredential
if ($PgCredentialInfo -eq $null)
{
New-PgCredential -ErrorAction Stop | Out-Null
}
}
$PgCredentialInfo=Get-PgCredential
$Credential=$PgCredentialInfo.Credential
[string]$PgUser=$Credential.UserName
[string]$PgPassword=GetPlainTextPassword -SecString $Credential.Password
if ([string]::IsNullOrEmpty($PgUser) -or [string]::IsNullOrEmpty($PgPassword))
{
Write-Error "Credential is null or empty" -ErrorAction Stop
}
$PgPathInfo=$PgCredentialInfo.PgPathInfo
$DropDbPath=$PgPathInfo["dropdb.exe"]
if ([string]::IsNullOrEmpty($DropDbPath))
{
Write-Error "dropdb.exe not found" -ErrorAction Stop
}
}
process
{
try
{
if (!([string]::IsNullOrEmpty($Name)))
{
$DropDbArgs=@(
"-U $PgUser",
"-w",
"$Name"
)
Write-Verbose "Remove PgDatabase $Name"
$AllDbInfo=Invoke-PgQuery -Query "SELECT datname from pg_database WHERE datname = '$Name'" -ReturnAs Object
if ($AllDbInfo.datname -eq $null)
{
Write-Error "$Name not found" -ErrorAction Stop
}
if ($PSCmdlet.ShouldProcess($Name))
{
[array]$Connections=@()
$AllConnections=Invoke-PgQuery -Query "SELECT datname FROM pg_stat_activity Where datname='$Name'"
if ($AllConnections -ne $null)
{
$Connections+=$AllConnections
}
if ($Connections.Count -eq 0 -or $PSBoundParameters["Force"].Ispresent)
{
Invoke-PgQuery -Query "UPDATE pg_database SET datallowconn = false WHERE datname = '$Name'" -ReturnAs Raw | Out-Null
if ($Connections.Count -ne 0)
{
Invoke-PgQuery -Query "SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = '$Name'" | Out-Null
}
Write-Verbose "$DropDbPath $DropDbArgs"
$Result=InvokeExe -ExeFile $DropDbPath -Args $DropDbArgs -EnvVar $(@{"PGPASSWORD"=$PgPassword})
if ($Result.ExitCode -ne 0)
{
Write-Error "ExitCode: $($Result.exitcode) StdErr: $($Result.stdErr) StdOut: $($Result.StdOut)"
}
else
{
Write-Verbose "$Name base deleted"
}
}
else
{
Write-Error "$Name : The database has a non-empty list of connections. Use the -Force option to remove this database"
}
}
else
{
Write-Verbose "Try remove database $Name"
Write-Verbose "$DropDbPath $DropDbArgs"
}
}
}
catch
{
Write-Error $_
}
}
end
{
}
}
function New-PgDatabase{
<#
.NOTES
Author: SAGSA
https://github.com/SAGSA/PostgresCmdlets
Requires: Powershell 2.0
#>
[cmdletbinding()]
param(
[parameter(Mandatory=$true)]
[string]$Name,
[string]$Template="template0",
$Credential
)
if ($name.length -gt 63)
{
Write-Error "The name is longer than 63 characters" -ErrorAction Stop
}
if ($PSCmdlet.MyInvocation.BoundParameters['Credential'])
{
New-PgCredential -Credential $Credential -ErrorAction Stop | Out-Null
$PgCredentialInfo=Get-PgCredential
}
else
{
$PgCredentialInfo=Get-PgCredential
if ($PgCredentialInfo -eq $null)
{
New-PgCredential -ErrorAction Stop | Out-Null
}
}
$PgCredentialInfo=Get-PgCredential
$Credential=$PgCredentialInfo.Credential
[string]$PgUser=$Credential.UserName
[string]$PgPassword=GetPlainTextPassword -SecString $Credential.Password
if ([string]::IsNullOrEmpty($PgUser) -or [string]::IsNullOrEmpty($PgPassword))
{
Write-Error "Credential is null or empty" -ErrorAction Stop
}
$PgPathInfo=$PgCredentialInfo.PgPathInfo
$CreateDbPath=$PgPathInfo["createdb.exe"]
if ([string]::IsNullOrEmpty($CreateDbPath))
{
Write-Error "createdb.exe not found" -ErrorAction Stop
}
Write-Verbose "Create PgDatabase $BaseName"
$CreateDbArgs=@(
"-U $PgUser",
"-w",
"-T $Template"
$Name
)
Write-Verbose "$CreateDbPath $CreateDbArgs"
$AllDbInfo=Invoke-PgQuery -Query "SELECT datname from pg_database WHERE datname = '$Name'" -ReturnAs Object
if (!($AllDbInfo.datname -eq $null))
{
Write-Error "$Name : database already exists" -ErrorAction Stop
}
$Result=InvokeExe -ExeFile $CreateDbPath -Args $CreateDbArgs -EnvVar $(@{"PGPASSWORD"=$PgPassword})
if($Result.exitcode -ne 0)
{
Write-Error "ExitCode: $($Result.exitcode) StdErr: $($Result.stdErr) StdOut: $($Result.StdOut)"
}
else
{
Get-PgDatabase -Name $Name
}
}
function Restore-PgDatabase{
<#
.SYNOPSIS
Restores a database from a backup
.DESCRIPTION
Restores a database from a backup
.EXAMPLE
Restore-PgDatabase -Name "DB1" -BackupFile С:\SQLBakup\DB1.backup
This command will restore database "DB1" from file С:\SQLBakup\DB1.backup
.EXAMPLE
Get-PgDatabase | Backup-PgDatabase -Destination C:\SQLBakup\ | Restore-PgDatabase -Name {$($_.Name+"_copy")} -RemoveBackupAfterRestore
This command will backup all databases on the server and restore with a new name
.NOTES
Author: SAGSA
https://github.com/SAGSA/PostgresCmdlets
Requires: Powershell 2.0
#>
[cmdletbinding(SupportsShouldProcess=$true,ConfirmImpact = 'High')]
param(
[parameter(Mandatory=$true, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true,Position=0)]
[string]$Name,
[parameter(ValueFromPipelineByPropertyName=$true,Position=1)]
[string]$BackupFile,
[ValidateSet("Custom","Directory","Tar","Plain")]
[string]$Format,
[int]$Jobs,
[switch]$RemoveBackupAfterRestore,
[ValidateSet("template0","template1")]
[string]$Template="template0",
[switch]$Force,
$Credential
)
begin
{
if ($PSCmdlet.MyInvocation.BoundParameters['Credential'])
{
New-PgCredential -Credential $Credential -ErrorAction Stop | Out-Null
$PgCredentialInfo=Get-PgCredential
}
else
{
$PgCredentialInfo=Get-PgCredential
if ($PgCredentialInfo -eq $null)
{
New-PgCredential -ErrorAction Stop | Out-Null
}
}
$PgCredentialInfo=Get-PgCredential
$Credential=$PgCredentialInfo.Credential
[string]$PgUser=$Credential.UserName
[string]$PgPassword=GetPlainTextPassword -SecString $Credential.Password
if ([string]::IsNullOrEmpty($PgUser) -or [string]::IsNullOrEmpty($PgPassword))
{
Write-Error "Credential is null or empty" -ErrorAction Stop
}
$PgPathInfo=$PgCredentialInfo.PgPathInfo
$PgRestorePath=$PgPathInfo["pg_restore.exe"]
$PsqlPath=$PgPathInfo["psql.exe"]
if ([string]::IsNullOrEmpty($PgRestorePath))
{
Write-Error "pg_restore.exe not found" -ErrorAction Stop
}
if ([string]::IsNullOrEmpty($PsqlPath))
{
Write-Error "psql.exe not found" -ErrorAction Stop
}
$FormatHashTable=@{
"Custom"="-Fc";
"Directory"="-Fd";
"Tar"="-Ft";
"Plain"="-Fp"
}
function SelectFile
{
param(
[string]$Action
)
[scriptblock]$SB={
function CreateSelectFileDialog
{
[System.Reflection.Assembly]::LoadWithPartialName("System.windows.forms") | Out-Null
$FileBrowser = New-Object System.Windows.Forms.OpenFileDialog -Property @{
InitialDirectory = [Environment]::GetFolderPath('MyComputer')
Filter = ''
Title=$Action
}
$null = $FileBrowser.ShowDialog()
if ([string]::IsNullOrEmpty($FileBrowser.FileName))
{
Write-Error "File not selected" -ErrorAction Stop
}
else
{
$FileBrowser.FileName
}
}
CreateSelectFileDialog
}
if ([System.Threading.Thread]::CurrentThread.ApartmentState -eq "mta")
{
$SbStr=$SB.ToString()
$bytes = [System.Text.Encoding]::Unicode.GetBytes($SbStr)
$encodedCommand = [Convert]::ToBase64String($bytes)
$Args=@(
"-Sta"
"-NoProfile"
"-encodedCommand $encodedCommand"
)
$ArgsGetCodePage=@(
"-Sta",
"-NoProfile",
"-Command [Console]::Out.Encoding.codepage"
)
$ResCodePage=InvokeExe -ExeFile "$Env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe" -Args $ArgsGetCodePage
if ($ResCodePage.ExitCode -eq 0)
{
$CodePage=$ResCodePage.StdOut -as [int]
if (!($CodePage -gt 0))
{
$CodePage=866
}
}
else
{
Write-verbose "set CodePage 866" -Verbose
$CodePage=866
}
$Res=InvokeExe -ExeFile "$Env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe" -Args $Args -Encoding $CodePage
if ($Res.ExitCode -eq 0 -and !($([string]::IsNullOrEmpty($Res.StdOut))))
{
if (Test-Path $Res.StdOut)
{
$Res.StdOut
}
else
{
Write-Error "File not selected" -ErrorAction Stop
}
}
else
{
Write-Error "File not selected" -ErrorAction Stop
}
}
else
{
Invoke-Command $SB
}
}
$ExtensionFormatHashTable=@{
".backup"="Custom"
".tar"="Tar"
".sql"="Plain"
}
$ArchiveExtension=".rar",".zip",".7zip"
}
process
{
try
{
if ($Name -ne $null)
{
if ($name.length -gt 63)
{
Write-Error "The name is longer than 63 characters" -ErrorAction Stop
}
if ($Name -match "\s")
{
Write-Error $('"'+$Name+'"'+": Name contains spaces") -ErrorAction Stop
}
if ($PSBoundParameters["BackupFile"] -eq $null)
{
$BackupFile=SelectFile -Action "Select backup"
}
$MustBeRemoved=$false
$BackupFileObj=Get-Item $BackupFile -ErrorAction Stop
$FileExtension=$BackupFileObj.Extension
if ($ArchiveExtension -eq $FileExtension)
{
$FileExtension=$BackupFileObj.Extension
if ($ArchiveExtension -eq $FileExtension)
{
if ($BackupFileObj.Name -match "^(.+)_(.+)_([\d]{4})_([\d]{2})_([\d]{2})_([\d]{2})([\d]{2})([\d]{2}).*\.(.+)$")
{
$DestinationArchive= Join-Path $BackupFileObj.Directory -ChildPath "Tmp"
Write-Verbose "Decompress-Archive -Path $BackupFile -DestinationPath $DestinationArchive" -Verbose
$DecompressBackup=Decompress-Archive -Path $BackupFile -DestinationPath $DestinationArchive
$MustBeRemoved=$true
$TmpBackupFileObj=Get-ChildItem -Path $DecompressBackup.fullName -ErrorAction Stop | Where-Object {$_.BaseName -eq $BackupFileObj.BaseName -and $_.Extension -ne ".log"}
$TmpBackupFileObj=Get-Item -Path $TmpBackupFileObj.fullName -ErrorAction Stop
$BackupFileObj=$TmpBackupFileObj
$FileExtension=$BackupFileObj.Extension
}
else
{
Write-Error "$BackupFile :Incorrect name format. Unzip the archive and try again" -ErrorAction Stop
}
}
}
$RestoreTableFromBin=$false
if ($BackupFileObj.PSIsContainer)
{
$Format="Directory"
[array]$BinBackups=Get-ChildItem $BackupFileObj.FullName | Where-Object {$_.Name -match "$($BackupFileObj.BaseName)_.+\.bin"}
}
else
{
if ($PSBoundParameters["Format"] -eq $null)
{
$FormatTmp=$ExtensionFormatHashTable[$FileExtension]
if ([string]::IsNullOrEmpty($FormatTmp))
{
Write-Error "$BackupFile Unknown backup format. To set the backup format, use the -Format parameter" -ErrorAction Stop
}
else
{
$Format=$FormatTmp
[array]$BinBackups=Get-ChildItem $BackupFileObj.DirectoryName | Where-Object {$_.Name -match "$($BackupFileObj.BaseName)_.+\.bin"}
}
}
}
if ($BinBackups)
{
$RestoreTableFromBin=$true
}
Write-Verbose "Backup format defined as:$Format Database:$Name Starting restore process please wait.." -Verbose
$DatabaseExist=$true
if ($(Invoke-PgQuery -Query "SELECT datname from pg_database Where datname='$Name'" -ErrorAction Stop) -eq $null)
{
$DatabaseExist=$false
}
$RecoveryName=$Name+"_in_a_state_of_recovery"
$DbRecovery=$null
$DbRecovery=Invoke-PgQuery -Query "SELECT datname from pg_database Where datname='$RecoveryName'" -ErrorAction Stop
if ($DatabaseExist)
{
if ($PSCmdlet.ShouldProcess($Name,"Remove-PgDatabase"))
{
Remove-PgDatabase -Name $Name -Force:$($PSBoundParameters["Force"].IsPresent) -Verbose:$false -Confirm:$false -ErrorAction Stop
}
else
{
Write-Error "To continue, you need to delete the $Name database" -ErrorAction Stop
}
}
if($DbRecovery -ne $null)
{
Remove-PgDatabase -Name $RecoveryName -Force
}
New-PgDatabase -Name $RecoveryName -Template $Template -ErrorAction Stop | Out-Null
$AllowJobsFormat="Directory","Custom"
if ($AllowJobsFormat -eq $Format)
{
if ($PSBoundParameters["Jobs"])
{
$LogicalProcessorsCount=GetLogicalProcessorsCount
if (!($Jobs -gt 0 -and $Jobs -le $LogicalProcessorsCount))
{
Write-Verbose "The value of the -Jobs parameter must be in the range [1 - $LogicalProcessorsCount]. Set -Jobs $LogicalProcessorsCount" -Verbose
$Jobs=$LogicalProcessorsCount
}
}
else
{
$Jobs=1
}
}
elseif($PSBoundParameters["Jobs"])
{
Write-Verbose "The -Jobs parameter was ignored. This option is only supported for the format $AllowJobsFormat" -Verbose
}
$RestoreBackupFile='"'+$($BackupFileObj.fullname)+'"'
$PgRestoreArgs=$null
$PgAppPath=$null
if ($Format -eq "Plain" -or $Format -eq "CompressPlain")
{
$PgAppPath=$PsqlPath
$PgRestoreArgs=@(
"-U $PgUser",
"-w",
"-d $RecoveryName",
$("--file="+$RestoreBackupFile)
)
if ($PSBoundParameters["Verbose"].IsPresent)
{
$PgRestoreArgs+="--echo-all"
}
}
else
{
$PgAppPath=$PgRestorePath
$PgRestoreArgs=@(
"-U $PgUser",
"-w",
"--role $PgUser",
$FormatHashTable[$Format],
"--if-exists",
"-c",
"-d $RecoveryName"
)
if ($PSBoundParameters["Verbose"].IsPresent)
{
$PgRestoreArgs+="--verbose"
}
if ($AllowJobsFormat -eq $Format)
{
$PgRestoreArgs+="--jobs=$Jobs"
}
$PgRestoreArgs+="$RestoreBackupFile"
}
Write-Verbose "$PgAppPath $PgRestoreArgs"
Write-Verbose "$RecoveryName :Restoring from file $RestoreBackupFile Please wait.." -Verbose
Write-Verbose "$PgAppPath $PgRestoreArgs"
$Result=InvokeExe -ExeFile $PgAppPath -Args $PgRestoreArgs -EnvVar $(@{"PGPASSWORD"=$PgPassword}) -ErrorAction Stop -VerboseOutput:$($PSBoundParameters["Verbose"].IsPresent)
Write-Verbose "ExitCode: $($Result.exitcode) StdErr: $($Result.stdErr)"
if ($Result.ExitCode -eq 0)
{
if ($RestoreTableFromBin)
{
if ($BinBackups.Count -gt 0){
$BinBackups | foreach {
$BinBackup=$_
$BinBackupPath=$_.FullName
if ($BinBackup -match ".+\d{6}_(.+)\.bin$"){
$TableName=$Matches[1]
}else{
Write-Error "Incorrect file name $BinBackup.fullname" -ErrorAction Stop
}
Write-Verbose "$RecoveryName :Restore public.$TableName from file $BinBackupPath" -Verbose
$RestoreTableQuery="\COPY public.$TableName FROM "+"'"+$($BinBackupPath -replace "\\","\\")+"'"+" WITH BINARY;"
Invoke-PgQuery -Name $RecoveryName -Query $RestoreTableQuery -ReturnAs Raw -ErrorAction Stop | Out-Null
}
}
}
Write-Verbose "$RecoveryName Success restored from backup $BackupFile"
if ($Name -ne $RecoveryName)
{
Write-Verbose "Rename-PgDatabase -Name $RecoveryName -NewName $Name"
Rename-PgDatabase -Name $RecoveryName -NewName $Name -Confirm:$false -Verbose:$false -ErrorAction Stop | Out-Null
Write-Verbose "$Name :All recovery operations completed successfully. The database was restored from a file $BackupFile" -Verbose
}
Get-PgDatabase -Name $Name -Verbose:$false
if ($PSBoundParameters["RemoveBackupAfterRestore"].isPresent)
{
Remove-Item -Path $BackupFile -Recurse -Force
}
}
else
{
Write-Verbose "Remove-PgDatabase -Name $RecoveryName" -Verbose
Remove-PgDatabase -Name $RecoveryName -Confirm:$false -Force
Write-Error "ExitCode: $($Result.exitcode) StdErr: $($Result.stdErr) StdOut: $($Result.StdOut)"
}
if ($MustBeRemoved)
{
Remove-Item -Path $DestinationArchive -Recurse -Force
}
}
}
catch
{
Write-Error $_
}
}
end
{
}
}
function Backup-PgDatabase{
<#
.SYNOPSIS
Makes a database backup
.DESCRIPTION
Makes a database backup
.EXAMPLE
Get-PgDatabase | Backup-PgDatabase -Destination C:\SQLBakup\
This command creates a database backup of the all databases on the server to the directory C:\SQLBakup\
.NOTES
Author: SAGSA
https://github.com/SAGSA/PostgresCmdlets
Requires: Powershell 2.0
#>
[cmdletbinding()]
param(
[parameter(Mandatory=$true, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true,Position=0)]
[string]$Name,
[string]$Destination,
[ValidateSet("Custom","CompressCustom","Directory","CompressDirectory","Tar","Plain","CompressPlain")]
[string]$Format="Custom",
[ValidateScript({-not ($_ -match "\s+")})]
[string[]]$SaveTableAsBinary,
[int]$Jobs,
[switch]$CreateLog,
$Credential
)
begin
{
if ($name.length -gt 63)
{
Write-Error "The name is longer than 63 characters" -ErrorAction Stop
}
function GetFolder
{
$app = new-object -com Shell.Application -ErrorAction Stop
$folder = $app.BrowseForFolder(0, "Select Folder", 0)
if (!([string]::IsNullOrEmpty($folder.Self.Path)))
{
$folder.Self.Path
}
else
{
Write-Error "Folder not selected" -ErrorAction Stop
}
}
if ($PSBoundParameters["Destination"] -eq $null)
{
$SelectedDestination=GetFolder
$Destination=$SelectedDestination
Write-Verbose "Selected $SelectedDestination"
}
else
{
$SelectedDestination=$Destination
}
$AllowJobsFormat="Directory","CompressDirectory"
if ($AllowJobsFormat -eq $Format)
{
if ($PSBoundParameters["Jobs"])
{
$LogicalProcessorsCount=GetLogicalProcessorsCount
if (!($Jobs -gt 0 -and $Jobs -le $LogicalProcessorsCount))
{
Write-Verbose "The value of the -Jobs parameter must be in the range [1 - $LogicalProcessorsCount]. Set -Jobs $LogicalProcessorsCount" -Verbose
$Jobs=$LogicalProcessorsCount
}
}