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PowerShell Desired State Configuration - for Linux
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I can't generate a .mof file with DSC using Rocky8.4 #814

Open joelhacker opened 3 years ago

joelhacker commented 3 years ago

I am using Rocky 8 under WSL 2.0, and have I have installed the following Centos RPM's for OMI, Powershell & DSC:

https://github.com/PowerShell/PowerShell/releases/download/v7.1.4/powershell-7.1.4-1.centos.8.x86_64.rpm \ https://github.com/microsoft/omi/releases/download/v1.6.8-1/omi-1.6.8-1.ssl_110.ulinux.x64.rpm \ https://github.com/microsoft/PowerShell-DSC-for-Linux/releases/download/v1.2.1-0/dsc-1.2.1-0.ssl_110.x64.rpm

I have the following: LD_LIBRARY_PATH=/opt/omi/lib/:/opt/microsoft/dsc/lib

I have the following PATH=/opt/microsoft/dsc/Scripts/3.x/Scripts/:/opt/omi/Scripts/3.x/Scripts/:/opt/microsoft/powershell/7/Modules/:/opt/omi/lib/Scripts/python3/:/opt/omi/lib/Scripts/:/opt/microsoft/dsc/Scripts/python3/:/opt/omi/bin:/opt/microsoft/dsc/bin:/opt/microsoft/dsc/Scripts/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:

When I try to create a DSC configuration within powershell, I run the following pwsh script:

!/usr/bin/pwsh

Configuration Dsctestlinux { Import-DscResource -Module PSDesiredStateConfiguration,nx Node "localhost" { nxFile ExampleFile { DestinationPath = "/tmp/example" Contents = "hello world `n" Ensure = "Present" Type = "File" } } }

Dsctestlinux

When I run this as the root user within a bash shell, I get the following output:

PSDesiredStateConfiguration\node: /root/Test_Dsc_Config.ps1:17 Line | 17 | Node "localhost" | ~~~~ | The term 'PSDesiredStateConfiguration\nxFile' is not recognized as a name of a cmdlet, function, | script file, or executable program. Check the spelling of the name, or if a path was included, | verify that the path is correct and try again.

InvalidOperation: /opt/microsoft/powershell/7/Modules/PSDesiredStateConfiguration/PSDesiredStateConfiguration.psm1:3745 Line | 3745 | throw $ErrorRecord | ~~~~~~ | Errors occurred while processing configuration 'Dsctestlinux'.

In my bash install script, I am also installing the nx module via: $(echo A | pwsh -c "Install-Module -Name nx -SkipPublisherCheck") > /dev/null

I am wanting to run DSC in a push configuration from one Rocky 8 Linux machine to a second Rocky 8 machine.

Please advise what other information you need to help resolve this issue.

Thanks!

joelhacker commented 3 years ago

Given that we were trying to build DSC on a newer platform (rocky8), we decided to try to build DSC from source.

We followed the following guide,

https://github.com/microsoft/PowerShell-DSC-for-Linux

and performed the following steps:

  1. Install the RPM repos that are used for the installation

    a. We Install the dnf-plugins support and enable the EPEL repo. (Which is the fedora build of Extra Packages for Enterprise Linux) NOTE: wget and tar are included to support Visual Studio code /usr/bin/dnf -y install dnf-plugins-core epel-release wget tar

    1. Enable the Powertools and Development Tools and install the pre-requisite rpms.

/usr/bin/dnf config-manager --set-enabled powertools /usr/bin/dnf -y groupinstall 'Development Tools' /usr/bin/dnf -y install pam-devel openssl-devel python39 python39-devel libicu gssntlmssp unzip mlocate gcc-c++ make redhat-lsb-core ln -s /usr/bin/python3 /usr/bin/python

  1. Disable selinux

sed -i s/SELINUX=enforcing/SELINUX=permissive/ /etc/sysconfig/selinux setenforce permissive

  1. Install the powershell.

wget https://github.com/PowerShell/PowerShell/releases/download/v7.1.4/powershell-7.1.4-1.centos.8.x86_64.rpm rpm -Uvh .rpm && rm .rpm

We then performed the following steps from the following online build steps:

(https://github.com/microsoft/PowerShell-DSC-for-Linux#building-and-using-dsc-and-omi-from-source) Starting at building and using dsc and omi from source (see link above), we ran the following steps

  1. git clone the DSC source

git clone https://github.com/Microsoft/PowerShell-DSC-for-Linux.git cd PowerShell-DSC-for-Linux

  1. Place the OMI source where DSC expects it alternatively clone from Git and symlink to omi/Unix wget https://github.com/microsoft/omi/archive/refs/tags/v1.6.8-1.tar.gz tar xzf v1.6.8-1.tar.gz

  2. Build OMI in developer mode cd omi-1.6.8-1/Unix/ ./configure --dev make -j

    After running the make, we get the following errors in our build:

injector.cpp: In function ‘long unsigned int InjectorSetup()’: injector.cpp:468:70: error: ‘void memcpy(void, const void*, size_t)’ writing to an object of non-trivially copyable type ‘class TestSystem::Globals’; use copy-assignment or copy-initialization instead [-Werror=class-memaccess] memcpy(g_globals, &g_tempGlobals, sizeof(TestSystem::Globals)); ^ In file included from injector.cpp:10: ../../nits/base/Globals.h:230:7: note: ‘class TestSystem::Globals’ declared here class Globals ^~~ cc1plus: all warnings being treated as errors make[3]: [../../mak/rules.mak:486: /root/dsc_source/PowerShell-DSC-for-Linux/omi-1.6.8-1/Unix/output/obj/nits/injector/injector.o] Error 1 make[3]: Leaving directory '/root/dsc_source/PowerShell-DSC-for-Linux/omi-1.6.8-1/Unix/nits/injector' make[2]: [../mak/rules.mak:421: all] Error 2 make[2]: Leaving directory '/root/dsc_source/PowerShell-DSC-for-Linux/omi-1.6.8-1/Unix/nits' make[1]: [/root/dsc_source/PowerShell-DSC-for-Linux/omi-1.6.8-1/Unix/mak/rules.mak:421: all] Error 2 make[1]: Leaving directory '/root/dsc_source/PowerShell-DSC-for-Linux/omi-1.6.8-1/Unix' make: [GNUmakefile:38: all] Error 2