Cloudmarque.Azure

1.0.5

Public/Common/Set-CmAzContext.ps1

function Set-CmAzContext {

    <#
        .Synopsis
         Sets the session context for subsequent session runs.
 
        .Description
          Sets the following in an globally accessible context:
              * Environment
              * Project root directory
              * Build number
              * Package name
              * Package version
              * Build repo name
              * Build definition name
              * Build definiton number
              * Date
 
        .Parameter Environment
          The environment in which the context is set, e.g prd, dev etc
 
           .Parameter ProjectRoot
          Where settings and resource files are created.
 
        .Parameter ProjectConfirmation
          Override for prompt to create a new project root, default is 'y'.
 
        .Parameter BuildId
          The identifier of the current build.
 
        .Parameter BuildRepoName
          The repository of the current build.
 
        .Parameter BuildDefinitionName
          The definition name of the current build.
 
        .Parameter BuildDefinitionNumber
          The definition number of the current build.
 
        .Component
          Common
 
        .Example
          Set-CmAzContext -ProjectRoot "C:/MyProject"
 
        .Example
          Set-CmAzContext `
              -Environment "Development"
              -ProjectRoot "C:/MyProject"
              -ProjectConfirmation "y"
              -BuildId "0.0.2"
              -BuildRepoName "MyRepoName"
              -BuildDefinitionName "Manual"
              -BuildDefinitionNumber "1.0"
      #>

    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSAvoidGlobalVars", "", Justification = "Using a global variable for session state")]
    [CmdletBinding(SupportsShouldProcess, ConfirmImpact = "Low")]
    param(
        [string]$Environment = "Development",
        [Parameter(Mandatory = $true)]
        [string]$ProjectRoot,
        [string]$ProjectConfirmation = "n",
        [string]$BuildId = "001",
        [string]$BuildRepoName = "Local",
        [string]$BuildDefinitionName = "Manual",
        [string]$BuildDefinitionNumber = "0.0.1"
    )

      $ErrorActionPreference = "Stop"

    try {

        if ($PSCmdlet.ShouldProcess("Environment:$Environment", "Set the session context")) {

            $dataFile = Import-PowerShellDataFile "$PSScriptRoot\..\..\Cloudmarque.Azure.psd1"

            $packageName = $dataFile.rootModule.TrimEnd(".psm1")
            $packageVersion = $dataFile.moduleVersion
            $date = Get-Date -UFormat "+%Y-%m-%dT%H:%M:%S.000Z"

            $isValid = Test-Path -LiteralPath $ProjectRoot -IsValid

            if (!$isValid) {
                throw "Project root $ProjectRoot is not valid"
            }

            $exists = Test-Path -LiteralPath $ProjectRoot

            if (!$exists -and $ProjectConfirmation -eq "n") {
                $ProjectConfirmation = Read-Host -Prompt "Create new project root? [y/n] (Default: n)"
            }

            if ($ProjectConfirmation -eq "y") {
                New-CmAzProject -Project $ProjectRoot
            }

            $namingFile = "$ProjectRoot/_names/tokens.yml"
            $namingConventions = Get-CmAzSettingsFile -Path $namingFile

            if (!$namingConventions.environments[$Environment.ToLower()]) {
                throw "Environment does not exist!"
            }

            if ($CMAZ_CTX) {
                Clear-CmAzContext
            }

            $global:CMAZ_CTX = @{
                Environment = $Environment;
                ProjectRoot = $ProjectRoot;
                PakageName = $packageName
                PackageVersion = $packageVersion;
                BuildId = $BuildId
                BuildRepoName = $BuildRepoName
                BuildDefinitionName = "$BuildDefinitionName ($BuildDefinitionNumber)"
                Date = $date
            }

            $global:CMAZ_CTX

            $env:CMAZ_CTX_ENV = ($global:CMAZ_CTX.GetEnumerator() | ForEach-Object { "$($_.Key) = $($_.Value)" }) -join "`n"

            if(!(Test-Path $PROFILE.CurrentUserCurrentHost)) {
                New-Item $PROFILE.CurrentUserCurrentHost -ItemType File -Force
            }

            $contextValue = ($global:CMAZ_CTX.GetEnumerator() | ForEach-Object { "$($_.Key) = `"$($_.Value)`"" }) -join ";"
            $profileValue = "`$global:CMAZ_CTX = New-Object PSObject -Property @{ $contextValue }"

            Add-Content -Path $Profile.CurrentUserCurrentHost -Value $profileValue

        }
    }
    catch {
        $PSCmdlet.ThrowTerminatingError($PSitem);
    }
}