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OSAbstractions.ps1
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OSAbstractions.ps1
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###############################################################################
##
## ___________ _____________ ___ .____ .___ _________ _____
## \_ _____// _____/\ \/ / | | | |/ _____/ / _ \
## | __)_ \_____ \ \ / ______ | | | |\_____ \ / /_\ \
## | \/ \ / \ /_____/ | |___| |/ \/ | \
## /_______ /_______ //___/\ \ |_______ \___/_______ /\____|__ /
## \/ \/ \_/ \/ \/ \/
##
###############################################################################
##
## ESX-LISA is an automation testing framework based on github.com/LIS/lis-test
## project. In order to support ESX, ESX-LISA uses PowerCLI to automate all
## aspects of vSphere maagement, including network, storage, VM, guest OS and
## more. This framework automates the tasks required to test the
## Redhat Enterprise Linux Server on WMware ESX Server.
##
###############################################################################
##
## Revision:
## v1.0 - xiaofwan - 11/25/2016 - Fork from github.com/LIS/lis-test.
## Incorporate VMware PowerCLI with framework
## v1.1 - xiaofwan - 2/3/2017 - $True will be $true and $False will be $false.
## v1.2 - xiaofwan - 2/21/2017 - Two new functions to fetch kernel and firmware
## version info.
## v1.3 - xiaofwan - 2/27/2017 - Fix GetFirmwareVersion issue.
##
###############################################################################
<#
.Synopsis
Functions that hide the OS of the test VM.
.Description
This file contains functions that are intended to hide
differences in the OS platforms. The hope is to hide
differences in Linux distros and FreeBSD.
Currently supported OS platforms:
Linux
RHEL
CentOS
BSD
FreeBSD
Current functions that provide some abstraction
GetOSDateString()
GetOSDos2unixCmd()
StartOSATDaemon()
GetOSType()
GetOSRunTestCaseCmd()
.Link
None.
#>
#####################################################################
#
# GetOSDateString()
#
#####################################################################
function GetOSDateTimeCmd ([System.Xml.XmlElement] $vm)
{
<#
.Synopsis
Return an OS specific date command to set the date/time
on the VM.
.Description
Return a OS specific date/time command
Linux: "date mmddhhMMyyyy"
FreeBSD: "date -n ccyymmddhhMM"
#>
$dateTimeCmd = $null
if ($vm)
{
if ($vm.os)
{
$now = [Datetime]::Now
$os = $vm.os
switch ($os)
{
#
# Linux does not boot with the correct date/time
#
$LinuxOS { $dateTimeCmd = "date " + $now.ToString("MMddHHmmyyyy") }
#
# FreeBSD does boot with correct date/time, so do nothing for now
#
$FreeBSDOS { $dateTimeCmd = "date -n " + $now.ToString("yyyyMMddHHmm") }
#
# Complain if it's an unknown OS type
#
default { LogMsg 0 "Error: GetOSDateString() - unknown OS type of $($vm.os)" }
}
}
else
{
LogMsg 0 "Error: $($vm.vmName) does not have the <os> xml property"
}
}
return $dateTimeCmd
}
#####################################################################
#
# GetOSDos2unixCmd()
#
#####################################################################
function GetOSDos2unixCmd ([System.Xml.XmlElement] $vm, [String] $filename)
{
<#
.Synopsis
Return a dos2unix command that is OS specific
.Description
Return a OS specific dos2unix command string
Linux: dos2unix -q filename
FreeBSD: dos2unix filename
#>
if (-not $vm)
{
return $null
}
if (-not $filename)
{
return $null
}
$cmdString = $null
if ($vm.os)
{
switch ( $($vm.os) )
{
#
# We use the -q with Linux
#
$LinuxOS { $cmdString = "dos2unix -q ${filename}" }
#
# No options with FreeBSD
#
$FreeBSDOS { $cmdString = "dos2unix ${filename}" }
#
# Complain if it's an unknown OS type
#
default { LogMsg 0 "Error: GetOSDos2unixString() - unknown OS type of $($vm.os)" }
}
}
else
{
LogMsg 0 "Error: $($vm.vmName) does not have the <os> xml property"
}
return $cmdString
}
#####################################################################
#
# StartOSAtDaemon()
#
#####################################################################
function StartOSAtDaemon ([System.Xml.XmlElement] $vm)
{
<#
.Synopsis
Start the daemon that handles batch jobs
.Description
Start the daemon that handles batch jobs for the OS running on
the VM. Linux has the atd daemon. FreeBSD uses crond.
#>
if (-not $vm)
{
return $false
}
$daemonStarted = $false
if ($vm.os)
{
switch ($($vm.os))
{
#
# Linux uses atd
#
$LinuxOS {
if ( (SendCommandToVM $vm "/etc/init.d/atd start") )
{
$daemonStarted = $true
}
}
#
# FreeBSD uses crond which is started by default
#
$FreeBSDOS {
$daemonStarted = $true
}
#
# Complain if it's an unknown OS type
#
default {
LogMsg 0 "Error: StaratOSAtDaemon() - unknown OS type of '$($vm.os)'"
}
}
}
else
{
LogMsg 0 "Error: $($vm.vmName) does not have the <os> xml property"
}
return $daemonStarted
}
#####################################################################
#
# GetOSType()
#
#####################################################################
function GetOSType ([System.Xml.XmlElement] $vm)
{
<#
.Synopsis
Ask the OS to provide it's OS type.
.Description
Use SSH to send a uname command to the VM. Use the
returned name as OSType.
#>
# plink will pending at waiting password if sshkey failed auth, so
# pipe a 'y' to response
$os = echo y | bin\plink -batch -i ssh\${sshKey} root@${hostname} "uname -s"
switch ($os)
{
$LinuxOS {}
$FreeBSDOS {}
default { $os = "unknown" }
}
return $os
}
#####################################################################
#
# GetKernelVersion()
#
#####################################################################
function GetKernelVersion ()
{
<#
.Synopsis
Ask the OS to provide Kernel version.
.Description
Use SSH to send a uname command to the VM. Use the
returned name as Kernel version.
#>
# plink will pending at waiting password if sshkey failed auth, so
# pipe a 'y' to response
$ver = echo y | bin\plink -batch -i ssh\${sshKey} root@${hostname} "uname -r"
return $ver
}
#####################################################################
#
# GetFirmwareVersion()
#
#####################################################################
function GetFirmwareVersion ()
{
<#
.Synopsis
Ask the OS to provide firmware version.
.Description
Use SSH to send a uname command to the VM. The firmware is
based on shell command result.
#>
# plink will pending at waiting password if sshkey failed auth, so
# pipe a 'y' to response
$cmdResult = echo y | bin\plink -batch -i ssh\${sshKey} root@${hostname} "[ -d /sys/firmware/efi ] && echo 0"
$firmware = "BIOS"
if ($cmdResult -eq "0")
{
$firmware = "EFI"
}
return $firmware
}
#####################################################################
#
# GetOSRunTestCaseCmd()
#
#####################################################################
function GetOSRunTestCaseCmd ([String] $os, [String] $testFilename, [String] $logFilename)
{
<#
.Synopsis
Build the command string to run the test case
.Description
Create a command string that will run the test case and
also redirect STDOUT and STDERR to the logfile.
#>
$runCmd = $null
switch ($os)
{
$LinuxOS
{
$runCmd = "bash ~/${testFilename} > ~/${logFilename} 2>&1"
}
$FreeBSDOS
{
$runCmd = "bash ~/${testFilename} > ~/${logFilename} 2>&1"
}
default
{
$runCmd = $null
}
}
return $runCmd
}