SACRED.Rotate.Azure.CosmosDB.psm1
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<#
Copyright (c) 2023 Chris Clohosy Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #> using module SACRED.Store using module SACRED.Log Function Invoke-SACREDCosmosDBKeyRotation ( [Parameter(Mandatory=$true)] [string] $AccountName, [Parameter(Mandatory=$true)] [string] $AccountResourceGroupName, [Parameter(Mandatory=$true)] [string] $RotationJobName ) { <# .SYNOPSIS Rotates an Azure Cosmos DB account key. .DESCRIPTION Rotates an Azure Cosmos DB account key. The key is rotated by regenerating the version of the key currently not being used. .PARAMETER AccountName The name of the Azure Cosmos DB account. .PARAMETER AccountResourceGroupName The name of the resource group containing the Azure Cosmos DB account. .PARAMETER RotationJobName The name of the rotation job. .INPUTS None .OUTPUTS None #> $global:SACREDLogger.Info("Rotating Azure Cosmos DB account key for account $AccountName in resource group $AccountResourceGroupName.") $credentialVersionDetails = $global:SACREDStore.GetSACREDRotationJobCredentialVersionDetails($RotationJobName) $currentAccountKeyType = $credentialVersionDetails.credentialVersion switch($currentAccountKeyType) { 'primary' { $newAccountKeyType = 'secondary' } 'secondary' { $newAccountKeyType = 'primary' } 'primaryReadonly' { $newAccountKeyType = 'secondaryReadonly' } 'secondaryReadonly' { $newAccountKeyType = 'primaryReadonly' } default { $errorMessage = "Unknown account key type: $currentAccountKeyType" $global:SACREDLogger.Error($errorMessage) throw $errorMessage } } $global:SACREDLogger.Info("Key to be regenerated and used is the $newAccountKeyType version.") $newCredentials = Invoke-SACREDCosmosDBKeyRegeneration -accountName $AccountName -accountResourceGroupName $AccountResourceGroupName -accountKeyType $newAccountKeyType $credentialVersionDetails.credentialVersion = $newAccountKeyType $global:SACREDStore.SetSACREDRotationJobCredentialVersionDetails($RotationJobName, $credentialVersionDetails) return $newCredentials } Function Invoke-SACREDCosmosDBKeyRegeneration ( [Parameter(Mandatory=$true)] [string] $AccountName, [Parameter(Mandatory=$true)] [string] $AccountResourceGroupName, [Parameter(Mandatory=$true)] [string] $AccountKeyType ) { <# .SYNOPSIS Regenerates an Azure Cosmos DB account key. .DESCRIPTION Regenerates an Azure Cosmos DB account key. .PARAMETER AccountName The name of the Azure Cosmos DB account. .PARAMETER AccountResourceGroupName The name of the resource group containing the Azure Cosmos DB account. .PARAMETER AccountKeyType The type of key to regenerate. Valid values are 'primary', 'secondary', 'primaryReadonly', and 'secondaryReadonly'. .INPUTS None .OUTPUTS None #> $global:SACREDLogger.Info("Regenerating the $AccountKeyType key on Azure Cosmos DB account $AccountName within the $AccountResourceGroupName resource group.") $resourceContext = Get-SACREDAzureContextForResource -ResourceName $AccountName -ResourceGroupName $AccountResourceGroupName -ResourceType 'Microsoft.DocumentDB/databaseAccounts' $newAccountKey = New-AzCosmosDBAccountKey -ResourceGroupName $AccountResourceGroupName -Name $AccountName -KeyKind $AccountKeyType -DefaultProfile $resourceContext $accountKeyConnectionStrings = Get-AzCosmosDBAccountKey -ResourceGroupName $AccountResourceGroupName -Name $AccountName -Type 'ConnectionStrings' -DefaultProfile $resourceContext $newAccountKeyConnectionString = ($accountKeyConnectionStrings.GetEnumerator() | Where-Object { $_.Value -like "*$newAccountKey*" }).Value $newCredentials = @{'CosmosDBAccountKey'=$newAccountKey; 'CosmosDBConnectionString'=$newAccountKeyConnectionString} return $newCredentials } Function Build-SACREDCosmosDBRotationJobName ( [Parameter(Mandatory=$true)] [SACREDRotationJobDefinition] $RotationJobDefinition ) { <# .SYNOPSIS Builds the name of a rotation job for an Azure Cosmos DB key. .DESCRIPTION Builds the name of a rotation job for an Azure Cosmos DB key. .PARAMETER RotationJobDefinition The definition of the rotation job. .INPUTS None .OUTPUTS None #> if($RotationJobDefinition.cosmosDBAccount.keyType -eq 'readonly') { $rotationJobName = "AzureCosmosDB_$($RotationJobDefinition.cosmosDBAccount.accountResourceGroupName)_$($RotationJobDefinition.cosmosDBAccount.accountName)_ReadOnly" } elseif($RotationJobDefinition.cosmosDBAccount.keyType -eq 'readwrite') { $rotationJobName = "AzureCosmosDB_$($RotationJobDefinition.cosmosDBAccount.accountResourceGroupName)_$($RotationJobDefinition.cosmosDBAccount.accountName)_ReadWrite" } return $rotationJobName } |