IntelliSearch

0.1.14

Public/New-ISInstance.ps1

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 #requires -version 4
function ModuleRoot
{
    $MyInvocation.ScriptName | Split-Path -Parent
}
$PrivPath = $(Join-Path $(ModuleRoot | Split-Path -Parent) "\Private")
$PluginPath = $(Join-Path $(ModuleRoot | Split-Path -Parent) "\InstanceCreationPlugins")
. $PrivPath\HelperFunctions.ps1
. $PrivPath\New-SymLink.ps1
. $PrivPath\Open-ISComponentConfiguration.ps1
. $PrivPath\Register-ISPlugins.ps1
. $PrivPath\Invoke-ISPlugins.ps1

<#
.SYNOPSIS
    Creates a new instance of an IntelliSearch component
.DESCRIPTION
    The New-ISInstance cmdlet will create a new, blank component from an installed component package.
    It will use the configuration file found in the package at /etc/ISPSInstance.config
.PARAMETER Name
    The name for the new instance.
    Should contain only alphanumeric characters and hyphens.
.PARAMETER ComponentDirectory
    The directory of the IntelliSearch component to instantiate.
.PARAMETER Path
    The path to where the instance should be created.
    Defaults to the InstanceStore setting. Usually C:\ProgramData\IntelliSearch.
.PARAMETER Set
    The name of installation set.
    If set, installation set name will be appended to instance path. Ex. C:\ProgramData\IntelliSearch\ENT-1
.EXAMPLE
    Install-ISComponent -Name IntelliSearch.Connector.File | New-ISInstance -Name FileShare
.EXAMPLE
    Install-ISComponent -Name IntelliSearch.Connector.File | New-ISInstance -Name FileShare -Set "ENT-1"
.EXAMPLE
    Get-ISComponent -Name Crawler* | New-ISInstance -Name FileCrawlerManager
.INPUTS
    Component, System.String
.OUTPUTS
    Instance
#>
function New-ISInstance
{
    [CmdletBinding(ConfirmImpact = 'Low')]
    [OutputType()]
    param(
        [Parameter(
            Mandatory = $true,
            Position = 0,
            ValueFromPipelineByPropertyName = $true
        )]
        [ValidateNotNull()]
        [ValidateNotNullOrEmpty()]
        [ValidateScript( {
                if (ValidateInstanceName $_)
                {
                    return $true
                }
                else
                {
                    Throw [System.Management.Automation.ValidationMetadataException] "The instance name '${_}' is not valid."
                }
            })]
        [Alias("ComponentName")]
        [String] $Name,

        [Parameter(
            Mandatory = $true,
            Position = 1,
            ValueFromPipelineByPropertyName = $true
        )]
        [ValidateScript( { Test-Path $_ -PathType Container})]
        [Alias()]
        [String] $ComponentDirectory,

        [Parameter(
            Mandatory = $false,
            Position = 2,            
            ValueFromPipelineByPropertyName = $true
        )]
        [ValidateNotNull()]
        [ValidateNotNullOrEmpty()]
        [Alias()]
        [String] $Set,

        [Parameter(
            Mandatory = $false,
            ValueFromPipelineByPropertyName = $true
        )]
        [Alias()]
        [ValidateScript( {
                if (ValidatePath $_)
                {
                    return $true
                }
                else
                {
                    Throw [System.Management.Automation.ValidationMetadataException] "The instance store path '${_}' is not valid."
                }
            })]
        [String[]] $Path = $IS_Settings.InstanceStore
    )

    begin
    {
        Write-Verbose "Loading plugins..."
        $Plugins = Register-ISPlugins $IS_Settings.InstanceCreationPluginStore
        Write-Verbose "Loaded $($Plugins.Count) plugins."
    }

    process
    {
        if ($Set)
        {
            $Path = Join-Path $Path $Set
        }

        $ConfigurationPath = Join-Path $ComponentDirectory "\etc\ISPSInstance.config"
        $InstanceDirectory = (Join-Path $Path $Name)

        Write-Verbose ("Making new instance {0}" -f $Name)
        if (-not (ValidatePath $Path))
        {
            Write-Error "Instance path is not valid. Got: $($Path)" -ErrorAction:Stop
        }

        if (Test-Path $InstanceDirectory -PathType Container)
        {
            Write-Error "Instance name already exists. Names must be unique. Got $Name" -ErrorAction:Stop
        }

        Write-Verbose ("Processing ISPSInstance.config for {0}" -f $Name)
        try
        {
            $ConfigurationNodes = Open-ISComponentConfiguration -Path $ConfigurationPath
        }
        catch [System.Management.Automation.ParameterBindingException], [System.Management.Automation.MethodInvocationException]
        {
            Throw "Found no valid ISPSInstance.config file"
        }

        $InstanceDirectory = New-Item -Path $InstanceDirectory -ItemType Container

        $PluginArguments = @{
            "InstanceName"       = $Name
            "InstanceDirectory"  = $InstanceDirectory
            "ComponentDirectory" = $ComponentDirectory
        }

        if ($PSCmdlet.MyInvocation.BoundParameters["Verbose"].IsPresent)
        {
            $PluginArguments.Add("Verbose", $true)
        }

        foreach ($Node in $ConfigurationNodes.ChildNodes)
        {
            Write-Verbose "Working on node: $($Node.Name)"
            # If the child node is a comment, skip it
            if ($Node.Name -eq "#comment")
            {
                continue
            }

            $PluginArguments.Node = $Node

            Write-Verbose "Arguments: $($PluginArguments | Out-String)"
            Invoke-ISPlugins -Plugins $Plugins -PluginArguments $PluginArguments
        }
    }

    end
    {

    }

}