[pve-devel] [PATCH proxmx-nvidia-vgpu-helper 2/2] add script to help with the installation of the nvidia vgpu dependencies

[Hannes Duerr <h.duerr@proxmox.com>]

The script should help with the dependency installation for the nvidia
vgpu driver, also if the driver is already installed but the system has
been updated

Signed-off-by: Hannes Duerr <h.duerr@proxmox.com>
---
 pve-install-nvidia-vgpu-deps | 66 ++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100755 pve-install-nvidia-vgpu-deps

diff --git a/pve-install-nvidia-vgpu-deps b/pve-install-nvidia-vgpu-deps
new file mode 100755
index 0000000..fc0856e
--- /dev/null
+++ b/pve-install-nvidia-vgpu-deps
@@ -0,0 +1,66 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use PVE::Tools qw(run_command);
+use AptPkg::Cache;
+
+my @apt_install = qw(apt-get --no-install-recommends -o Dpkg:Options::=--force-confnew install --);
+my @dependencies = qw(dkms libc6-dev);
+my @missing_packages;
+
+die "Please execute the script with root privileges\n" if $>;
+
+my $apt_cache = AptPkg::Cache->new();
+die "unable to initialize AptPkg::Cache\n" if !$apt_cache; 
+
+sub package_is_installed {
+    my ($package) = @_;
+    my $p = $apt_cache->{$package};
+    if (!defined($p->{CurrentState}) || $p->{CurrentState} ne "Installed") {
+	push(@missing_packages, $package);
+    }
+}
+
+foreach my $dependency (@dependencies) {
+    package_is_installed($dependency);
+}
+
+
+my $running_kernel;
+run_command( ['/usr/bin/uname', '-r' ],
+    outfunc => sub { $running_kernel = shift } );
+
+my $default_major_minor_version;
+run_command(['/usr/bin/dpkg-query', '-f', '${Depends}', '-W', 'proxmox-default-kernel'],
+    outfunc => sub { $default_major_minor_version = shift } );
+
+my $default_full_version;
+run_command(['/usr/bin/dpkg-query', '-f', '${Version}', '-W', $default_major_minor_version],
+    outfunc => sub { $default_full_version = shift } );
+
+if ($running_kernel =~ /$default_full_version-pve/) {
+    print "You are running the proxmox default kernel `proxmox-kernel-$running_kernel`\n";
+    package_is_installed("proxmox-default-headers");
+} elsif ($running_kernel =~ /pve/) {
+    print "You are running the non default proxmox kernel `proxmox-kernel-$running_kernel`\n";
+    package_is_installed("proxmox-headers-$running_kernel");
+} else {
+    die "You are not using a proxmox-kernel, please make sure that the appropriate header package is installed.\n";
+}
+
+if (!@missing_packages){
+    print "All required packages are installed, you can continue with the Nvidia vGPU driver installation.\n";
+    exit;
+} else {
+    print "The following packages are missing:\n" . join("\n", @missing_packages) ."\n";
+    print "Would you like to install them now (y/n)?\n";
+}
+
+my $answer = <STDIN>;
+if (defined($answer) && $answer =~ m/^\s*y(?:es)?\s*$/i) {
+    if (system(@apt_install, @missing_packages) != 0) {
+	die "apt failed during the installation: ($?)\n";
+    }
+}
-- 
2.39.5



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