318 lines
12 KiB
PowerShell
318 lines
12 KiB
PowerShell
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#!powershell
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# Copyright: (c) 2018, Varun Chopra (@chopraaa)
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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#Requires -Module Ansible.ModuleUtils.Legacy
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#AnsibleRequires -OSVersion 6.2
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Set-StrictMode -Version 2
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$ErrorActionPreference = "Stop"
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$params = Parse-Args -arguments $args -supports_check_mode $true
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$check_mode = Get-AnsibleParam -obj $params -name "_ansible_check_mode" -type "bool" -default $false
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$state = Get-AnsibleParam -obj $params -name "state" -type "str" -failifempty $false -default "present" -validateset "absent", "present"
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$drive_letter = Get-AnsibleParam -obj $params -name "drive_letter" -type "str" -failifempty $false
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$disk_number = Get-AnsibleParam -obj $params -name "disk_number" -type "int" -failifempty $false
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$partition_number = Get-AnsibleParam -obj $params -name "partition_number" -type "int" -failifempty $false
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$partition_size = Get-AnsibleParam -obj $params -name "partition_size" -type "str" -failifempty $false
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$read_only = Get-AnsibleParam -obj $params -name "read_only" -type "bool" -failifempty $false
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$active = Get-AnsibleParam -obj $params -name "active" -type "bool" -failifempty $false
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$hidden = Get-AnsibleParam -obj $params -name "hidden" -type "bool" -failifempty $false
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$offline = Get-AnsibleParam -obj $params -name "offline" -type "bool" -failifempty $false
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$mbr_type = Get-AnsibleParam -obj $params -name "mbr_type" -type "str" -failifempty $false -validateset "fat12", "fat16", "extended", "huge", "ifs", "fat32"
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$gpt_type = Get-AnsibleParam -obj $params -name "gpt_type" -type "str" -failifempty $false -validateset "system_partition", "microsoft_reserved", "basic_data", "microsoft_recovery"
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$result = @{
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changed = $false
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}
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$size_is_maximum = $false
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$ansible_partition = $false
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$ansible_partition_size = $null
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$partition_style = $null
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$gpt_styles = @{
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system_partition = "c12a7328-f81f-11d2-ba4b-00a0c93ec93b"
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microsoft_reserved = "e3c9e316-0b5c-4db8-817d-f92df00215ae"
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basic_data = "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7"
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microsoft_recovery = "de94bba4-06d1-4d40-a16a-bfd50179d6ac"
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}
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$mbr_styles = @{
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fat12 = 1
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fat16 = 4
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extended = 5
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huge = 6
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ifs = 7
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fat32 = 12
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}
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function Convert-SizeToBytes {
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param(
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$Size,
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$Units
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)
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switch ($Units) {
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"B" { return $Size }
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"KB" { return 1000 * $Size }
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"KiB" { return 1024 * $Size }
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"MB" { return [Math]::Pow(1000, 2) * $Size }
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"MiB" { return [Math]::Pow(1024, 2) * $Size }
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"GB" { return [Math]::Pow(1000, 3) * $Size }
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"GiB" { return [Math]::Pow(1024, 3) * $Size }
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"TB" { return [Math]::Pow(1000, 4) * $Size }
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"TiB" { return [Math]::Pow(1024, 4) * $Size }
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}
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}
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if ($null -ne $partition_size) {
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if ($partition_size -eq -1) {
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$size_is_maximum = $true
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}
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elseif ($partition_size -match '^(?<Size>[0-9]+)[ ]*(?<Units>b|kb|kib|mb|mib|gb|gib|tb|tib)$') {
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$ansible_partition_size = Convert-SizeToBytes -Size $Matches.Size -Units $Matches.Units
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}
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else {
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Fail-Json -obj $result -message "Invalid partition size. B, KB, KiB, MB, MiB, GB, GiB, TB, TiB are valid partition size units"
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}
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}
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# If partition_exists, we can change or delete it; otherwise we only need the disk to create a new partition
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if ($null -ne $disk_number -and $null -ne $partition_number) {
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$ansible_partition = Get-Partition -DiskNumber $disk_number -PartitionNumber $partition_number -ErrorAction SilentlyContinue
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}
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# Check if drive_letter is either auto-assigned or a character from A-Z
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elseif ($drive_letter -and -not ($disk_number -and $partition_number)) {
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if ($drive_letter -eq "auto" -or $drive_letter -match "^[a-zA-Z]$") {
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$ansible_partition = Get-Partition -DriveLetter $drive_letter -ErrorAction SilentlyContinue
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}
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else {
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Fail-Json -obj $result -message "Incorrect usage of drive_letter: specify a drive letter from A-Z or use 'auto' to automatically assign a drive letter"
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}
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}
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elseif ($disk_number) {
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try {
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Get-Disk -Number $disk_number | Out-Null
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} catch {
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Fail-Json -obj $result -message "Specified disk does not exist"
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}
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}
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else {
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Fail-Json -obj $result -message "You must provide disk_number, partition_number"
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}
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# Partition can't have two partition styles
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if ($null -ne $gpt_type -and $null -ne $mbr_type) {
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Fail-Json "Cannot specify both GPT and MBR parititon styles. Check which partition style is supported by the disk"
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}
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function New-AnsiblePartition {
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param(
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$DiskNumber,
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$Letter,
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$SizeMax,
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$Size,
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$MbrType,
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$GptType,
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$Style
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)
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$parameters = @{
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DiskNumber = $DiskNumber
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}
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if ($null -ne $Letter) {
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switch ($Letter) {
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"auto" {
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$parameters.Add("AssignDriveLetter", $True)
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}
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default {
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$parameters.Add("DriveLetter", $Letter)
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}
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}
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}
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switch ($SizeMax) {
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$True {
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$parameters.Add("UseMaximumSize", $True)
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}
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$False {
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$parameters.Add("Size", $Size)
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}
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}
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if ($null -ne $MbrType) {
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$parameters.Add("MbrType", $Style)
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}
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if ($null -ne $GptType) {
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$parameters.Add("GptType", $Style)
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}
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try {
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$new_partition = New-Partition @parameters
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} catch {
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Fail-Json -obj $result -message "Unable to create a new partition: $($_.Exception.Message)"
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}
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return $new_partition
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}
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function Set-AnsiblePartitionState {
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param(
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$hidden,
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$read_only,
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$active,
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$partition
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)
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$parameters = @{
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DiskNumber = $partition.DiskNumber
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PartitionNumber = $partition.PartitionNumber
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}
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if ($hidden -NotIn ($null, $partition.IsHidden)) {
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$parameters.Add("IsHidden", $hidden)
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}
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if ($read_only -NotIn ($null, $partition.IsReadOnly)) {
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$parameters.Add("IsReadOnly", $read_only)
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}
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if ($active -NotIn ($null, $partition.IsActive)) {
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$parameters.Add("IsActive", $active)
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}
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try {
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Set-Partition @parameters
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} catch {
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Fail-Json -obj $result -message "Error changing state of partition: $($_.Exception.Message)"
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}
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}
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if ($ansible_partition) {
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if ($state -eq "absent") {
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try {
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Remove-Partition -DiskNumber $ansible_partition.DiskNumber -PartitionNumber $ansible_partition.PartitionNumber -Confirm:$false -WhatIf:$check_mode
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} catch {
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Fail-Json -obj $result -message "There was an error removing the partition: $($_.Exception.Message)"
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}
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$result.changed = $true
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}
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else {
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if ($null -ne $gpt_type -and $gpt_styles.$gpt_type -ne $partition.GptType) {
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Fail-Json -obj $result -message "gpt_type is not a valid parameter for existing partitions"
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}
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if ($null -ne $mbr_type -and $mbr_styles.$mbr_type -ne $partition.MbrType) {
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Fail-Json -obj $result -message "mbr_type is not a valid parameter for existing partitions"
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}
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if ($partition_size) {
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try {
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$max_supported_size = (Get-PartitionSupportedSize -DiskNumber $ansible_partition.DiskNumber -PartitionNumber $ansible_partition.PartitionNumber).SizeMax
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} catch {
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Fail-Json -obj $result -message "Unable to get maximum supported partition size: $($_.Exception.Message)"
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}
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if ($size_is_maximum) {
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$ansible_partition_size = $max_supported_size
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}
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if ($ansible_partition_size -ne $ansible_partition.Size -and $ansible_partition_size -le $max_supported_size) {
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if ($ansible_partition.IsReadOnly) {
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Fail-Json -obj $result -message "Unable to resize partition: Partition is read only"
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} else {
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try {
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Resize-Partition -DiskNumber $ansible_partition.DiskNumber -PartitionNumber $ansible_partition.PartitionNumber -Size $ansible_partition_size -WhatIf:$check_mode
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} catch {
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Fail-Json -obj $result -message "Unable to change partition size: $($_.Exception.Message)"
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}
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$result.changed = $true
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}
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} elseif ($ansible_partition_size -gt $max_supported_size) {
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Fail-Json -obj $result -message "Specified partition size exceeds size supported by partition"
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}
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}
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if ($drive_letter -NotIn ("auto", $null, $ansible_partition.DriveLetter)) {
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if (-not $check_mode) {
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try {
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Set-Partition -DiskNumber $ansible_partition.DiskNumber -PartitionNumber $ansible_partition.PartitionNumber -NewDriveLetter $drive_letter
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} catch {
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Fail-Json -obj $result -message "Unable to change drive letter: $($_.Exception.Message)"
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}
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}
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$result.changed = $true
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}
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}
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}
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else {
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if ($state -eq "present") {
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if ($null -eq $disk_number) {
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Fail-Json -obj $result -message "Missing required parameter: disk_number"
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}
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if ($null -eq $ansible_partition_size -and -not $size_is_maximum){
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Fail-Json -obj $result -message "Missing required parameter: partition_size"
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}
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if (-not $size_is_maximum) {
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try {
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$max_supported_size = (Get-Disk -Number $disk_number).LargestFreeExtent
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} catch {
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Fail-Json -obj $result -message "Unable to get maximum size supported by disk: $($_.Exception.Message)"
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}
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if ($ansible_partition_size -gt $max_supported_size) {
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Fail-Json -obj $result -message "Partition size is not supported by disk. Use partition_size: -1 to get maximum size"
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}
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}
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$supp_part_type = (Get-Disk -Number $disk_number).PartitionStyle
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if ($null -ne $mbr_type) {
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if ($supp_part_type -eq "MBR" -and $mbr_styles.ContainsKey($mbr_type)) {
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$partition_style = $mbr_styles.$mbr_type
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} else {
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Fail-Json -obj $result -message "Incorrect partition style specified"
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}
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}
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if ($null -ne $gpt_type) {
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if ($supp_part_type -eq "GPT" -and $gpt_styles.ContainsKey($gpt_type)) {
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$partition_style = $gpt_styles.$gpt_type
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} else {
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Fail-Json -obj $result -message "Incorrect partition style specified"
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}
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}
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if (-not $check_mode) {
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$ansible_partition = New-AnsiblePartition -DiskNumber $disk_number -Letter $drive_letter -SizeMax $size_is_maximum -Size $ansible_partition_size -MbrType $mbr_type -GptType $gpt_type -Style $partition_style
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}
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$result.changed = $true
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}
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}
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if ($state -eq "present" -and $ansible_partition) {
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if ($offline -NotIn ($null, $ansible_partition.IsOffline)) {
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if (-not $check_mode) {
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try {
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Set-Partition -DiskNumber $ansible_partition.DiskNumber -PartitionNumber $ansible_partition.PartitionNumber -IsOffline $offline
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} catch {
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Fail-Json -obj $result -message "Error setting partition offline: $($_.Exception.Message)"
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}
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}
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$result.changed = $true
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}
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if ($hidden -NotIn ($null, $ansible_partition.IsHidden) -or $read_only -NotIn ($null, $ansible_partition.IsReadOnly) -or $active -NotIn ($null, $ansible_partition.IsActive)) {
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if (-not $check_mode) {
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Set-AnsiblePartitionState -hidden $hidden -read_only $read_only -active $active -partition $ansible_partition
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}
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$result.changed = $true
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}
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}
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Exit-Json -obj $result
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