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DockerMsftProvider.psm1
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DockerMsftProvider.psm1
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#########################################################################################
#
# Copyright (c) Microsoft Corporation. All rights reserved.
#
# DockerMsftProvider
#
#########################################################################################
Microsoft.PowerShell.Core\Set-StrictMode -Version Latest
#region variables
$script:Providername = "DockerMsftProvider"
$script:DockerSources = $null
$script:location_modules = Microsoft.PowerShell.Management\Join-Path -Path $env:TEMP -ChildPath $script:ProviderName
$script:location_sources= Microsoft.PowerShell.Management\Join-Path -Path $env:LOCALAPPDATA -ChildPath $script:ProviderName
$script:file_modules = Microsoft.PowerShell.Management\Join-Path -Path $script:location_sources -ChildPath "sources.txt"
$script:DockerSearchIndex = "DockerSearchIndex.json"
$script:Installer_Extension = "zip"
$script:dockerURL = "https://go.microsoft.com/fwlink/?LinkID=825636&clcid=0x409"
$separator = "|#|"
$script:restartRequired = $false
$script:isNanoServerInitialized = $false
$script:isNanoServer = $false
$script:SystemEnvironmentKey = 'HKLM:\System\CurrentControlSet\Control\Session Manager\Environment'
$script:pathDockerRoot = Microsoft.PowerShell.Management\Join-Path -Path $env:ProgramFiles -ChildPath "Docker"
$script:pathDockerD = Microsoft.PowerShell.Management\Join-Path -Path $script:pathDockerRoot -ChildPath "dockerd.exe"
$script:pathDockerClient = Microsoft.PowerShell.Management\Join-Path -Path $script:pathDockerRoot -ChildPath "docker.exe"
$script:wildcardOptions = [System.Management.Automation.WildcardOptions]::CultureInvariant -bor `
[System.Management.Automation.WildcardOptions]::IgnoreCase
$script:NuGetProviderName = "NuGet"
$script:NuGetBinaryProgramDataPath="$env:ProgramFiles\PackageManagement\ProviderAssemblies"
$script:NuGetBinaryLocalAppDataPath="$env:LOCALAPPDATA\PackageManagement\ProviderAssemblies"
$script:NuGetProvider = $null
$script:nanoserverPackageProvider = "NanoServerPackage"
$script:hotFixID = 'KB3176936'
$script:minOsMajorBuild = 14393
$script:minOSRevision= 206
$script:MetadataFileName = 'metadata.json'
$script:serviceName = "docker"
$script:SemVerTypeName = 'Microsoft.PackageManagement.Provider.Utility.SemanticVersion'
if('Microsoft.PackageManagement.NuGetProvider.SemanticVersion' -as [Type])
{
$script:SemVerTypeName = 'Microsoft.PackageManagement.NuGetProvider.SemanticVersion'
}
#endregion variables
#region One-Get Functions
function Find-Package
{
[CmdletBinding()]
param
(
[string[]]
$names,
[string]
$RequiredVersion,
[string]
$MinimumVersion,
[string]
$MaximumVersion
)
Set-ModuleSourcesVariable
$null = Install-NuGetClientBinary -CallerPSCmdlet $PSCmdlet
$options = $request.Options
foreach( $o in $options.Keys )
{
Write-Debug ( "OPTION: {0} => {1}" -f ($o, $options[$o]) )
}
$AllVersions = $null
if($options.ContainsKey("AllVersions"))
{
$AllVersions = $options['AllVersions']
}
$sources = @()
if($options.ContainsKey('Source'))
{
$sources = $options['Source']
}
if ((-not $names) -or ($names.Count -eq 0))
{
$names = @('')
}
$allResults = @()
$allSources = Get-SourceList -Sources $sources
foreach($currSource in $allSources)
{
$Location = $currSource.SourceLocation
$sourceName = $currSource.Name
if($location.StartsWith("https://"))
{
$tempResults = @()
$tempResults += Find-FromUrl -Source $Location `
-SourceName $sourceName `
-Name $names `
-MinimumVersion $MinimumVersion `
-MaximumVersion $MaximumVersion `
-RequiredVersion $RequiredVersion `
-AllVersions:$AllVersions
if($tempResults)
{
$allResults += $tempResults
}
}
else
{
Write-Error "Currently only https sources are supported. Please register with https source."
}
}
if((-not $allResults) -or ($allResults.Count -eq 0))
{
return
}
foreach($result in $allResults)
{
$swid = New-SoftwareIdentityFromDockerInfo -DockerInfo $result
Write-Output $swid
}
}
function Download-Package
{
[CmdletBinding()]
param
(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[string]
$FastPackageReference,
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[string]
$Location
)
DownloadPackageHelper -FastPackageReference $FastPackageReference `
-Request $Request `
-Location $Location
}
function Install-Package
{
[CmdletBinding()]
param
(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[string]
$fastPackageReference
)
if(-not (Test-AdminPrivilege))
{
ThrowError -CallerPSCmdlet $PSCmdlet `
-ExceptionName "InvalidOperationException" `
-ExceptionMessage "Administrator rights are required to install docker." `
-ErrorId "AdminPrivilegesAreRequiredForInstall" `
-ErrorCategory InvalidOperation
}
if(-not (IsNanoServer))
{
$osVersion = (Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\').CurrentBuildNumber
$osRevision = (Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\').UBR
# Ensure that the host is either running a build newer than Windows Server 2016 GA or
# if running Windows Server 2016 GA that it has a revision greater than 206 (KB3176936)
if (($osVersion -lt $script:minOsMajorBuild) -or
(($osVersion -eq $script:minOsMajorBuild) -and ($osRevision -lt $script:minOsRevision)))
{
ThrowError -CallerPSCmdlet $PSCmdlet `
-ExceptionName "InvalidOperationException" `
-ExceptionMessage "$script:hotFixID or later is required for docker to work" `
-ErrorId "RequiredWindowsUpdateNotInstalled" `
-ErrorCategory InvalidOperation
return
}
}
else
{
Write-Warning "$script:hotFixID or later is required for docker to work. Please ensure this is installed."
}
$options = $request.Options
$update = $false
$force = $false
if($options)
{
foreach( $o in $options.Keys )
{
Write-Debug ("OPTION: {0} => {1}" -f ($o, $request.Options[$o]) )
}
if($options.ContainsKey('Update'))
{
Write-Verbose "Updating the docker installation."
$update = $true
}
if($options.ContainsKey("Force"))
{
$force = $true
}
}
if(Test-Path $script:pathDockerD)
{
if($update -or $force)
{
# Uninstall if another installation exists
UninstallHelper
}
elseif(-not $force)
{
$dockerVersion = & "$script:pathDockerClient" --version
$resultArr = $dockerVersion -split ","
$version = ($resultArr[0].Trim() -split " ")[2]
Write-Verbose "Docker $version already exists. Skipping install. Use -force to install anyway."
return
}
}
else
{
# Install WindowsFeature containers
try
{
InstallContainer
}
catch
{
$ErrorMessage = $_.Exception.Message
ThrowError -CallerPSCmdlet $PSCmdlet `
-ExceptionName $_.Exception.GetType().FullName `
-ExceptionMessage $ErrorMessage `
-ErrorId FailedToDownload `
-ErrorCategory InvalidOperation
return
}
}
$splitterArray = @("$separator")
$resultArray = $fastPackageReference.Split($splitterArray, [System.StringSplitOptions]::None)
if((-not $resultArray) -or ($resultArray.count -ne 8)){Write-Debug "Fast package reference doesn't have required parts."}
$source = $resultArray[0]
$name = $resultArray[1]
$version = $resultArray[2]
$description = $resultArray[3]
$originPath = $resultArray[5]
$size = $resultArray[6]
$sha = $resultArray[7]
$date = $resultArray[4]
$Location = $script:location_modules
$destination = GenerateFullPath -Location $Location `
-Name $name `
-Version $Version
$downloadOutput = DownloadPackageHelper -FastPackageReference $FastPackageReference `
-Request $Request `
-Location $Location
if(-not (Test-Path $destination))
{
Write-Error "$destination does not exist"
return
}
else
{
Write-verbose "Found $destination to install."
}
# Install
try
{
Write-Verbose "Trying to unzip : $destination"
$null = Expand-Archive -Path $destination -DestinationPath $env:ProgramFiles -Force
# Rename the docker folder to become Docker
$dummyName = 'dummyName'
$null = Rename-Item -Path $script:pathDockerRoot -NewName $env:ProgramFiles\$dummyName
$null = Rename-Item -Path $env:ProgramFiles\$dummyName -NewName $script:pathDockerRoot
if(Test-Path $script:pathDockerD)
{
Write-Verbose "Trying to enable the docker service..."
$service = get-service -Name Docker -WarningAction SilentlyContinue -ErrorAction SilentlyContinue
if(-not $service)
{
& "$script:pathDockerD" --register-service
}
}
else
{
Write-Error "Unable to expand docker to Program Files."
}
}
catch
{
$ErrorMessage = $_.Exception.Message
ThrowError -CallerPSCmdlet $PSCmdlet `
-ExceptionName $_.Exception.GetType().FullName `
-ExceptionMessage $ErrorMessage `
-ErrorId FailedToDownload `
-ErrorCategory InvalidOperation
}
finally
{
# Clean up
Write-Verbose "Removing the archive: $destination"
$null = remove-item $destination -Force
}
# Save the install information
$null = SaveInfo -Source $source
# Update the path variable
$null = Update-PathVar
if($script:restartRequired)
{
Write-Warning "A restart is required to enable the containers feature. Please restart your machine."
}
Write-Output $downloadOutput
}
function Uninstall-Package
{
[CmdletBinding()]
param
(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[string]
$fastPackageReference
)
UninstallHelper
Write-Verbose "Uninstalling container feature from windows"
UninstallContainer
[string[]] $splitterArray = @("$separator")
[string[]] $resultArray = $fastPackageReference.Split($splitterArray, [System.StringSplitOptions]::None)
if((-not $resultArray) -or ($resultArray.count -ne 3)){Write-Debug "Fast package reference doesn't have required parts."}
$name = $resultArray[0]
$version = $resultArray[1]
$source = $resultArray[2]
$dockerSWID = @{
Name = $name
version = $version
Source = $source
versionScheme = "MultiPartNumeric"
fastPackageReference = $fastPackageReference
}
New-SoftwareIdentity @dockerSWID
}
#endregion One-Get Functions
#region One-Get Required Functions
function Initialize-Provider
{
write-debug "In $($script:Providername) - Initialize-Provider"
}
function Get-PackageProviderName
{
return $script:Providername
}
function Get-InstalledPackage
{
param
(
[string]$name,
[string]$requiredVersion,
[string]$minimumVersion,
[string]$maximumVersion
)
$name = 'docker'
$version = ''
$source = ''
if(Test-Path $script:pathDockerRoot\$script:MetadataFileName)
{
$metaContent = (Get-Content -Path $script:pathDockerRoot\$script:MetadataFileName)
if(IsNanoServer)
{
$jsonDll = [Microsoft.PowerShell.CoreCLR.AssemblyExtensions]::LoadFrom($PSScriptRoot + "\Json.coreclr.dll")
$jsonParser = $jsonDll.GetTypes() | Where-Object name -match jsonparser
$metaContentParsed = $jsonParser::FromJson($metaContent)
$source = if($metaContentParsed.ContainsKey('SourceName')) {$metaContentParsed.SourceName} else {'Unable To Retrieve Source from metadata.json'}
$version = if($metaContentParsed.ContainsKey('Version')) {$metaContentParsed.Version} else {'Unable To Retrieve Version from metadata.json'}
}
else
{
$metaContentParsed = (Get-Content -Path $script:pathDockerRoot\$script:MetadataFileName) | ConvertFrom-Json
if($metaContentParsed)
{
$source = if($metaContentParsed.PSObject.properties.name -contains 'SourceName') {$metaContentParsed.SourceName} else {'Unable To Retrieve Source from metadata.json'}
$version = if($metaContentParsed.PSObject.properties.name -contains 'Version') {$metaContentParsed.Version} else {'Unable To Retrieve Version from metadata.json'}
}
}
}
elseif(Test-Path $script:pathDockerD)
{
$dockerVersion = & "$script:pathDockerClient" --version
$resultArr = $dockerVersion -split ","
$version = ($resultArr[0].Trim() -split " ")[2]
$source = ' '
}
else
{
return $null
}
$fastPackageReference = $name +
$separator + $version +
$separator + $source
$dockerSWID = @{
Name = $name
version = $version
Source = $source
versionScheme = "MultiPartNumeric"
fastPackageReference = $fastPackageReference
}
return New-SoftwareIdentity @dockerSWID
}
#endregion One-Get Required Functions
#region Helper-Functions
function SaveInfo
{
param
(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[String]
$Source
)
# Create a file
$metaFileInfo = New-Item -ItemType File -Path $script:pathDockerRoot -Name $script:MetadataFileName -Force
if(-not $metaFileInfo)
{
# TODO: Handle File not created scenario
}
if(Test-Path $script:pathDockerD)
{
$dockerVersion = & "$script:pathDockerD" --version
$resultArr = $dockerVersion -split ","
$version = ($resultArr[0].Trim() -split " ")[2]
$metaInfo = Microsoft.PowerShell.Utility\New-Object PSCustomObject -Property ([ordered]@{
SourceName = $source
Version = $version
})
$metaInfo | ConvertTo-Json > $metaFileInfo
}
}
function UninstallHelper
{
if(-not (Test-AdminPrivilege))
{
ThrowError -CallerPSCmdlet $PSCmdlet `
-ExceptionName "InvalidOperationException" `
-ExceptionMessage "Administrator rights are required to install docker." `
-ErrorId "AdminPrivilegesAreRequiredForInstall" `
-ErrorCategory InvalidOperation
}
# Stop docker service
$dockerService = get-service -Name Docker -WarningAction SilentlyContinue -ErrorAction SilentlyContinue
if(-not $dockerService)
{
# Docker service is not available
Write-Warning "Docker Service is not available."
}
if(($dockerService.Status -eq "Started") -or ($dockerService.Status -eq "Running"))
{
Write-Verbose "Trying to stop docker service"
$null = stop-service docker
}
if(Test-Path $script:pathDockerD)
{
Write-Verbose "Unregistering the docker service"
$null = & "$script:pathDockerD" --unregister-service
Write-Verbose "Removing the docker files"
$null = Get-ChildItem -Path $script:pathDockerRoot -Recurse | Remove-Item -force -Recurse
if(Test-Path $script:pathDockerRoot ) {$null = Remove-Item $script:pathDockerRoot -Force}
}
else
{
Write-Warning "Docker is not present under the Program Files. Please check the installation."
}
Write-Verbose "Removing the path variable"
$null = Remove-PathVar
}
function InstallContainer
{
if(IsNanoServer)
{
if(HandleProvider)
{
$containerExists = get-package -providername NanoServerPackage -Name *container* -ErrorAction SilentlyContinue -WarningAction SilentlyContinue
if($containerExists)
{
Write-Verbose "Containers package is already installed. Skipping the install."
return
}
# Find Container Package
$containerPackage = Find-NanoServerPackage -Name *Container* -ErrorAction SilentlyContinue -WarningAction SilentlyContinue
if(-not $containerPackage)
{
ThrowError -ExceptionName "System.ArgumentException" `
-ExceptionMessage "Unable to find the Containers Package from NanoServerPackage Module." `
-ErrorId "PackageNotFound" `
-CallerPSCmdlet $PSCmdlet `
-ErrorCategory InvalidOperation
}
Write-Verbose "Installing Containers..."
$null = $containerPackage | Install-NanoServerPackage -Force -ErrorAction SilentlyContinue -WarningAction SilentlyContinue
$script:restartRequired = $true
}
else
{
ThrowError -ExceptionName "System.ArgumentException" `
-ExceptionMessage "Unable to load the NanoServerPackage Module." `
-ErrorId "ModuleNotFound" `
-CallerPSCmdlet $PSCmdlet `
-ErrorCategory InvalidOperation
}
}
else
{
switch(Get-wmiobject -class win32_operatingsystem | select-object -ExpandProperty Caption ){
'Microsoft Windows 10' {
$containerExists = Get-WindowsOptionalFeature -Online -FeatureName Containers |
Select-object -Property *,@{name='Installed';expression={$_.State -eq 'Enabled'}}
}
Default {$containerExists = Get-WindowsFeature -Name Containers}
}
if($containerExists -and $containerExists.Installed)
{
Write-Verbose "Containers feature is already installed. Skipping the install."
return
}
else
{
Write-Verbose "Installing Containers..."
switch(Get-wmiobject -class win32_operatingsystem | select-object -ExpandProperty Caption ){
'Microsoft Windows 10' {$null = Enable-WindowsOptionalFeature -FeatureName Containers}
Default {$null = Install-WindowsFeature containers}
}
$script:restartRequired = $true
}
}
Write-Verbose "Installed containers"
}
function UninstallContainer
{
if(IsNanoServer)
{
return
}
else
{
switch(Get-wmiobject -class win32_operatingsystem | select-object -ExpandProperty Caption ){
'Microsoft Windows 10' {$null = Disable-WindowsOptionalFeature -FeatureName Containers}
Default {$null = Uninstall-WindowsFeature containers }
}
}
}
function HandleProvider
{
# Get the nanoServerpackage provider is present
$getnanoServerPackage = Get-PackageProvider -Name $script:nanoserverPackageProvider -ErrorAction SilentlyContinue -WarningAction SilentlyContinue
# if not download and install
if(-not $getnanoServerPackage)
{
$repositories = Get-PSRepository -Name PSGallery -ErrorAction SilentlyContinue -WarningAction SilentlyContinue
if(-not $repositories){$null = Register-PSRepository -Default}
$nanoserverPackage = Find-Module -Name $script:nanoserverPackageProvider -ErrorAction SilentlyContinue -WarningAction SilentlyContinue -Repository PSGallery
if(-not $nanoserverPackage)
{
ThrowError -ExceptionName "System.ArgumentException" `
-ExceptionMessage "Unable to find the Containers Package from NanoServerPackage Module." `
-ErrorId "PackageNotFound" `
-CallerPSCmdlet $PSCmdlet `
-ErrorCategory InvalidOperation
}
# Install the provider
$null = $nanoserverPackage | Install-Module -Force -SkipPublisherCheck
}
# Import the provider
$importProvider = Import-PackageProvider -Name $script:nanoserverPackageProvider -Force -ErrorAction SilentlyContinue -WarningAction SilentlyContinue
$importModule = Import-module -Name $script:nanoserverPackageProvider -Force -ErrorAction SilentlyContinue -WarningAction SilentlyContinue -PassThru
return ($importModule -and $importProvider)
}
function Update-PathVar
{
$NameOfPath = "Path"
# Set the environment variable in the Local Process
$envVars = [Environment]::GetEnvironmentVariable($NameOfPath)
$envArr = @()
$envArr = $envVars -split ';'
$envFlag = $true
foreach($envItem in $envArr)
{
if($envItem.Trim() -match [regex]::Escape($script:pathDockerRoot))
{
$envFlag = $false
break
}
}
if($envFlag)
{
$null = [Environment]::SetEnvironmentVariable($NameOfPath, $envVars + ";" + $script:pathDockerRoot)
}
# Set the environment variable in the Machine
$currPath = (Microsoft.PowerShell.Management\Get-ItemProperty -Path $script:SystemEnvironmentKey -Name $NameOfPath -ErrorAction SilentlyContinue).Path
$currArr = @()
$currArr = $currPath -split ';'
$currFlag = $true
foreach($currItem in $currArr)
{
if($currItem.Trim() -match [regex]::Escape($script:pathDockerRoot))
{
$currFlag = $false
break
}
}
if($currFlag)
{
$null = Microsoft.PowerShell.Management\Set-ItemProperty $script:SystemEnvironmentKey -Name $NameOfPath -Value ($currPath + ";" + $script:pathDockerRoot)
# Nanoserver needs a reboot to persist the registry change
if(IsNanoServer)
{
$script:restartRequired = $true
}
}
}
function Remove-PathVar
{
$NameOfPath = "Path"
# Set the environment variable in the Local Process
$envVars = [Environment]::GetEnvironmentVariable($NameOfPath)
$envArr = @()
$envArr = $envVars -split ';'
$envFlag = $false
foreach($envItem in $envArr)
{
if($envItem.Trim() -match [regex]::Escape($script:pathDockerRoot))
{
$envFlag = $true
break
}
}
if($envFlag)
{
$newPath = $envVars -replace [regex]::Escape($script:pathDockerRoot),$null
$newPath = $newPath -replace (";;"), ";"
$null = [Environment]::SetEnvironmentVariable($NameOfPath, $newPath)
}
# Set the environment variable in the Machine
$currPath = (Microsoft.PowerShell.Management\Get-ItemProperty -Path $script:SystemEnvironmentKey -Name $NameOfPath -ErrorAction SilentlyContinue).Path
$currArr = @()
$currArr = $currPath -split ';'
$currFlag = $false
foreach($currItem in $currArr)
{
if($currItem.Trim() -match [regex]::Escape($script:pathDockerRoot))
{
$currFlag = $true
break
}
}
if($currFlag)
{
$newPath = $currPath -replace [regex]::Escape($script:pathDockerRoot),$null
$newPath = $newPath -replace (";;"), ";"
$null = Microsoft.PowerShell.Management\Set-ItemProperty $script:SystemEnvironmentKey -Name $NameOfPath -Value $newPath
}
}
function Set-ModuleSourcesVariable
{
if(Microsoft.PowerShell.Management\Test-Path $script:file_modules)
{
$script:DockerSources = DeSerialize-PSObject -Path $script:file_modules
}
else
{
$script:DockerSources = [ordered]@{}
$defaultModuleSource = Microsoft.PowerShell.Utility\New-Object PSCustomObject -Property ([ordered]@{
Name = "DockerDefault"
SourceLocation = $script:dockerURL
Trusted=$false
Registered= $true
InstallationPolicy = "Untrusted"
})
$script:DockerSources.Add("DockerDefault", $defaultModuleSource)
Save-ModuleSources
}
}
function DeSerialize-PSObject
{
[CmdletBinding(PositionalBinding=$false)]
Param
(
[Parameter(Mandatory=$true)]
$Path
)
$filecontent = Microsoft.PowerShell.Management\Get-Content -Path $Path
[System.Management.Automation.PSSerializer]::Deserialize($filecontent)
}
function Save-ModuleSources
{
# check if exists
if(-not (Test-Path $script:location_sources))
{
$null = mkdir $script:location_sources
}
# seralize module
Microsoft.PowerShell.Utility\Out-File -FilePath $script:file_modules `
-Force `
-InputObject ([System.Management.Automation.PSSerializer]::Serialize($script:DockerSources))
}
function Get-SourceList
{
param
(
[Parameter(Mandatory=$true)]
$sources
)
Set-ModuleSourcesVariable
$listOfSources = @()
foreach($mySource in $script:DockerSources.Values)
{
if((-not $sources) -or
(($mySource.Name -eq $sources) -or
($mySource.SourceLocation -eq $sources)))
{
$tempHolder = @{}
$location = $mySource."SourceLocation"
$tempHolder.Add("SourceLocation", $location)
$packageSourceName = $mySource.Name
$tempHolder.Add("Name", $packageSourceName)
$listOfSources += $tempHolder
}
}
return $listOfSources
}
function Resolve-ChannelAlias
{
param
(
[Parameter(Mandatory=$true)]
[psobject]
$Channels,
[Parameter(Mandatory=$true)]
[String]
$Channel
)
while ($Channels.$Channel.PSObject.Properties.Name -contains 'alias')
{
$Channel = $Channels.$Channel.alias
}
return $Channel
}
function Find-FromUrl
{
param
(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[Uri]
$Source,
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[String]
$SourceName,
[Parameter(Mandatory=$false)]
[string[]]
$Name,
[Parameter(Mandatory=$false)]
[String]
$MinimumVersion,
[Parameter(Mandatory=$false)]
[String]
$MaximumVersion,
[Parameter(Mandatory=$false)]
[String]
$RequiredVersion,
[Parameter(Mandatory=$false)]
[switch]
$AllVersions
)
if ([string]::IsNullOrWhiteSpace($Name))
{
$Name = "*"
}
if ([System.Management.Automation.WildcardPattern]::ContainsWildcardCharacters($Name))
{
if('docker' -notlike $Name) {return $null}
}
elseif('docker' -ne $Name) {return $Null}
$searchFile = Get-SearchIndex -fwdLink $Location `
-SourceName $SourceName
[String] $searchFileContent = Get-Content -Path $searchFile
if(-not $searchFileContent)
{
return $null
}
$updatedContent = $searchFileContent.Trim(" .-`t`n`r")
$contents = $updatedContent | ConvertFrom-Json
$channels = $contents.channels
$versions = $contents.versions
$channelValues = $channels | Get-Member -MemberType NoteProperty
$searchResults = @()
# If name is null or whitespace, interpret as *
if ([string]::IsNullOrWhiteSpace($Name))
{
$Name = "*"
}
# Set the default channel, allowing $RequiredVersion to override when set to a channel name.
$defaultChannel = 'cs'
if ($RequiredVersion)
{
foreach ($channel in $channelValues)
{
if ($RequiredVersion -eq $channel.Name)
{
$defaultChannel = $channel.Name
$RequiredVersion = $null
break
}
}
}
# if no versions are mentioned, just provide the default version, i.e.: CS
if((-not ($MinimumVersion -or $MaximumVersion -or $RequiredVersion -or $AllVersions)))
{
$resolvedChannel = Resolve-ChannelAlias -Channels $channels -Channel $defaultChannel
$RequiredVersion = $channels.$resolvedChannel.version
}
# if a particular version is requested, provide that version only
if($RequiredVersion)
{
if($versions.PSObject.properties.name -contains $RequiredVersion)
{
$obj = Get-ResultObject -JSON $versions -Version $RequiredVersion
$searchResults += $obj
return $searchResults
}
else {
return $null
}
}
$savedVersion = New-Object $script:SemVerTypeName -ArgumentList '0.0.0'
# version requirement
# compare different versions
foreach($channel in $channelValues)
{
if ($channel.Name -eq $defaultChannel)
{
continue
}
else
{
$dockerName = "Docker"
$versionName = Resolve-ChannelAlias -Channels $channels -Channel $channel.Name
$versionValue = $channels.$versionName.version
$toggle = $false
# Check if the search string has * in it
if ([System.Management.Automation.WildcardPattern]::ContainsWildcardCharacters($Name))
{
if($dockerName -like $Name)
{
$toggle = $true
}
else
{
continue
}
}
else
{
if($dockerName -eq $Name)
{
$toggle = $true
}
else
{
continue
}
}