[pve-devel] [PATCH pve-nvidia-vgpu-helper v2 5/5] script: install headers for running and newer kernel version only

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

also add the new dependency for `libdpkg-perl`

Signed-off-by: Hannes Duerr <h.duerr@proxmox.com>
---
 debian/control         |  1 +
 pve-nvidia-vgpu-helper | 20 ++++++++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/debian/control b/debian/control
index 4492b60..352e63a 100644
--- a/debian/control
+++ b/debian/control
@@ -9,6 +9,7 @@ Homepage: https://www.proxmox.com
 Package: pve-nvidia-vgpu-helper
 Architecture: all
 Depends: libapt-pkg-perl,
+         libdpkg-perl,
          ${misc:Depends},
 Description: Proxmox Nvidia vGPU helper script and systemd service
  This package provides a script, that helps with installing all required
diff --git a/pve-nvidia-vgpu-helper b/pve-nvidia-vgpu-helper
index 885b879..4c57578 100755
--- a/pve-nvidia-vgpu-helper
+++ b/pve-nvidia-vgpu-helper
@@ -5,6 +5,7 @@ use warnings;
 
 use PVE::Tools qw(run_command);
 use AptPkg::Cache;
+use Dpkg::Version;
 
 my @apt_install = qw(apt-get --no-install-recommends install --);
 my @dependencies = qw(dkms libc6-dev proxmox-default-headers);
@@ -23,6 +24,16 @@ sub package_is_installed {
     }
 }
 
+sub install_newer_headers {
+    my ($running_version, @installed_versions) = @_;
+    for my $version (@installed_versions) {
+	# install header for the running kernel and newer kernel versions
+	if (Dpkg::Version::version_compare($running_version, $version) != 1){
+	    package_is_installed("proxmox-headers-$version-pve");
+	}
+    }
+}
+
 foreach my $dependency (@dependencies) {
     package_is_installed($dependency);
 }
@@ -32,17 +43,18 @@ my $running_kernel;
 run_command( ['/usr/bin/uname', '-r' ],
     outfunc => sub { $running_kernel = shift } );
 
+my @installed_versions;
 run_command(['/usr/bin/dpkg-query', '-W', 'proxmox-kernel-*-pve'],
     outfunc => sub {
 	my $installed_kernel = shift;
-	$installed_kernel =~ s/^\s*proxmox-kernel(-\d+.\d+.\d+-\d+-pve)\s*$/proxmox-headers$1/;
-	package_is_installed($installed_kernel);
+	$installed_kernel =~ m/^\s*proxmox-kernel-(\d+.\d+.\d+-\d+)-pve\s*$/;
+	push(@installed_versions, $1);
     });
 
 
-
-if ($running_kernel =~ m/^\d+\.\d+\.\d+-\d+-pve$/) {
+if ($running_kernel =~ m/^(\d+\.\d+\.\d+-\d+)-pve$/) {
     print "You are running the proxmox kernel `proxmox-kernel-$running_kernel`\n";
+    install_newer_headers($1, @installed_versions);
 } else {
     die "You are not using a proxmox-kernel, please make sure that the appropriate header package is installed.\n";
 }
-- 
2.39.5



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