Invoke-ExportLcLogsLocalREDFISH.psm1

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<#
_author_ = Texas Roemer <Texas_Roemer@Dell.com>
_version_ = 3.0
 
Copyright (c) 2021, Dell, Inc.
 
This software is licensed to you under the GNU General Public License,
version 2 (GPLv2). There is NO WARRANTY for this software, express or
implied, including the implied warranties of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
along with this software; if not, see
http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
#>


<#
.Synopsis
   Cmdlet using Redfish API with OEM extension to export all iDRAC Lifecycle Logs(LC) to a file locally using default browser session.
.DESCRIPTION
   Cmdlet using Redfish API with OEM extension to export all iDRAC Lifecycle Logs(LC) to a file locally. You will be prompted to download the exported iDRAC LC logs using your default browser session. If you select yes, it will automatically launch a browser session and download the file. You may be prompted to enter iDRAC credentials if this is the first time you are using browser to access the iDRAC.
 
   Supported parameters to pass in for cmdlet:
    
   - idrac_ip: Pass in iDRAC IP
   - idrac_username: Pass in iDRAC username
   - idrac_password: Pass in iDRAC password
   - x_auth_token: Pass in iDRAC X-Auth token session to execute cmdlet instead of username / password (recommended)
    
.EXAMPLE
   Invoke-ExportLcLogsLocalREDFISH -idrac_ip 192.168.0.120 -idrac_username root -idrac_password calvin
   This example will export the complete iDRAC Lifeccycle Logs (LC) to a local file using your default browser session.
.EXAMPLE
   Invoke-ExportLcLogsLocalREDFISH -idrac_ip 192.168.0.120
   This example will first prompt for iDRAC username and password using Get-Credentials, then export the complete iDRAC Lifeccycle Logs (LC) to a local file using your default browser session.
.EXAMPLE
   Invoke-ExportLcLogsLocalREDFISH -idrac_ip 192.168.0.120 -x_auth_token 7bd9bb9a8727ec366a9cef5bc83b2708
   This example using iDRAC X-auth token session will export the complete iDRAC Lifeccycle Logs (LC) to a local file using your default browser session.
#>


function Invoke-ExportLcLogsLocalREDFISH {

param(
    [Parameter(Mandatory=$True)]
    [string]$idrac_ip,
    [Parameter(Mandatory=$False)]
    [string]$idrac_username,
    [Parameter(Mandatory=$False)]
    [string]$idrac_password,
    [Parameter(Mandatory=$False)]
    [string]$x_auth_token
    )


# Function to ignore SSL certs

function Ignore-SSLCertificates
{
    $Provider = New-Object Microsoft.CSharp.CSharpCodeProvider
    $Compiler = $Provider.CreateCompiler()
    $Params = New-Object System.CodeDom.Compiler.CompilerParameters
    $Params.GenerateExecutable = $false
    $Params.GenerateInMemory = $true
    $Params.IncludeDebugInformation = $false
    $Params.ReferencedAssemblies.Add("System.DLL") > $null
    $TASource=@'
        namespace Local.ToolkitExtensions.Net.CertificatePolicy
        {
            public class TrustAll : System.Net.ICertificatePolicy
            {
                public bool CheckValidationResult(System.Net.ServicePoint sp,System.Security.Cryptography.X509Certificates.X509Certificate cert, System.Net.WebRequest req, int problem)
                {
                    return true;
                }
            }
        }
'@
 
    $TAResults=$Provider.CompileAssemblyFromSource($Params,$TASource)
    $TAAssembly=$TAResults.CompiledAssembly
    $TrustAll = $TAAssembly.CreateInstance("Local.ToolkitExtensions.Net.CertificatePolicy.TrustAll")
    [System.Net.ServicePointManager]::CertificatePolicy = $TrustAll
}

# Function to set up iDRAC credentials

function setup_idrac_creds
{

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::TLS12

if ($x_auth_token)
{
$global:x_auth_token = $x_auth_token
}
elseif ($idrac_username -and $idrac_password)
{
$user = $idrac_username
$pass= $idrac_password
$secpasswd = ConvertTo-SecureString $pass -AsPlainText -Force
$global:credential = New-Object System.Management.Automation.PSCredential($user, $secpasswd)
}
else
{
$get_creds = Get-Credential
$global:credential = New-Object System.Management.Automation.PSCredential($get_creds.UserName, $get_creds.Password)
}
}

function get_powershell_version 
{
$get_host_info = Get-Host
$major_number = $get_host_info.Version.Major
$global:get_powershell_version = $major_number
}


function export_LC_logs_local
{
Write-Host "`n- INFO, exporting LC logs locally for iDRAC $idrac_ip"
$JsonBody = @{"ShareType"="Local"} | ConvertTo-Json -Compress
$uri = "https://$idrac_ip/redfish/v1/Dell/Managers/iDRAC.Embedded.1/DellLCService/Actions/DellLCService.ExportLCLog"

if ($x_auth_token)
{
try
    {
    if ($global:get_powershell_version -gt 5)
    {
    
    $post_result = Invoke-WebRequest -UseBasicParsing -SkipHeaderValidation -SkipCertificateCheck -Uri $uri -Method Post -Body $JsonBody -ContentType 'application/json' -Headers @{"Accept" = "application/json"; "X-Auth-Token" = $x_auth_token} -ErrorVariable RespErr
    }
    else
    {
    Ignore-SSLCertificates
    $post_result = Invoke-WebRequest -UseBasicParsing -Uri $uri -Method Post -Body $JsonBody -ContentType 'application/json' -Headers @{"Accept" = "application/json"; "X-Auth-Token" = $x_auth_token} -ErrorVariable RespErr
    }
    }
    catch
    {
    Write-Host
    $RespErr
    return
    } 
}


else
{
try
    {
    if ($global:get_powershell_version -gt 5)
    {
    
    $post_result = Invoke-WebRequest -UseBasicParsing -SkipHeaderValidation -SkipCertificateCheck -Uri $uri -Credential $credential -Method Post -Body $JsonBody -ContentType 'application/json' -Headers @{"Accept"="application/json"} -ErrorVariable RespErr
    }
    else
    {
    Ignore-SSLCertificates
    $post_result = Invoke-WebRequest -UseBasicParsing -Uri $uri -Credential $credential -Method Post -Body $JsonBody -ContentType 'application/json' -Headers @{"Accept"="application/json"} -ErrorVariable RespErr
    }
    }
    catch
    {
    Write-Host
    $RespErr
    return
    } 
}

if ($post_result.StatusCode -eq 202)
{
Write-Host "- PASS, POST command passed to export iDRAC LC logs, status code 202 returned"
}
else
{
[String]::Format("- FAIL, POST command failed to export iDRAC LC logs, statuscode {0} returned. Detail error message: {1}",$post_result.StatusCode, $post_result)
return
}


$export_LC_log_file_uri = $post_result.Headers.Location
Write-Host "- INFO, GET URI for exported iDRAC LC log file location: '$export_LC_log_file_uri'"

$uri = "https://$idrac_ip$export_LC_log_file_uri"

$user_answer = Read-Host -Prompt "`n- Would you like to use default browser to download exported iDRAC LC log file now? Type 'y' for yes or 'n' for no"
    if ($user_answer.ToLower() -eq "y")
    {
    Write-Host "`n- User selected to download exported iDRAC LC log file now, check your default browser session."
    Start-Sleep 5
    start $uri
    Write-Host
    return
    }
    elseif ($user_answer.ToLower() -eq "n")
    {
    Write-Host "`n- INFO, user selected to not download exported iDRAC LC log now. LC logs can still be accessed by executing GET on URI '$uri'"
    Write-Host
    return
    }
    else
    {
    Write-Host "- FAIL, invalid option passed in for downloading exported iDRAC LC log file"
    return
    }
}

# Run cmdlet

get_powershell_version 
setup_idrac_creds

# Check to validate iDRAC version detected supports this feature

$uri = "https://$idrac_ip/redfish/v1/Dell/Managers/iDRAC.Embedded.1/DellLCService"
if ($x_auth_token)
{
 try
    {
    if ($global:get_powershell_version -gt 5)
    {
    $get_result = Invoke-WebRequest -SkipCertificateCheck -SkipHeaderValidation -Uri $uri -Method Get -UseBasicParsing -ErrorVariable RespErr -Headers @{"Accept" = "application/json"; "X-Auth-Token" = $x_auth_token}
    }
    else
    {
    Ignore-SSLCertificates
    $get_result = Invoke-WebRequest -Uri $uri -Method Get -UseBasicParsing -ErrorVariable RespErr -Headers @{"Accept"="application/json"; "X-Auth-Token" = $x_auth_token}
    }
    }
    catch
    {
    $RespErr
    return
    }
}

else
{
    try
    {
    if ($global:get_powershell_version -gt 5)
    {
    $get_result = Invoke-WebRequest -SkipCertificateCheck -SkipHeaderValidation -Uri $uri -Credential $credential -Method Get -UseBasicParsing -ErrorVariable RespErr -Headers @{"Accept"="application/json"}
    }
    else
    {
    Ignore-SSLCertificates
    $get_result = Invoke-WebRequest -Uri $uri -Credential $credential -Method Get -UseBasicParsing -ErrorVariable RespErr -Headers @{"Accept"="application/json"}
    }
    }
    catch
    {
    $RespErr
    return
    }
}

if ($get_result.StatusCode -eq 200 -or $result.StatusCode -eq 202)
{
$get_actions = $get_result.Content | ConvertFrom-Json
$hw_inventory_action_name = "#DellLCService.ExportLCLog"
$validate_supported_idrac = $get_actions.Actions.$hw_inventory_action_name
    try
    {
    $test = $validate_supported_idrac.GetType()
    }
    catch
    {
    Write-Host "`n- WARNING, iDRAC version detected does not support this feature using Redfish API or incorrect iDRAC user credentials passed in.`n"
    return
    }
}
else
{
Write-Host "`n- WARNING, iDRAC version detected does not support this feature using Redfish API or incorrect iDRAC user credentials passed in.`n"
return
}

export_LC_logs_local

}