diff options
Diffstat (limited to 'os-plugins/OpenSLX/OSPlugin/Base.pm')
| -rw-r--r-- | os-plugins/OpenSLX/OSPlugin/Base.pm | 73 |
1 files changed, 67 insertions, 6 deletions
diff --git a/os-plugins/OpenSLX/OSPlugin/Base.pm b/os-plugins/OpenSLX/OSPlugin/Base.pm index 51990912..c1945c95 100644 --- a/os-plugins/OpenSLX/OSPlugin/Base.pm +++ b/os-plugins/OpenSLX/OSPlugin/Base.pm @@ -146,11 +146,10 @@ sub postRemovalPhase sub suggestAdditionalKernelParams { # called by config-demuxer in order to give the plugin a chance to add # any kernel params it requires. - # In order to do so, the plugin should analyse the contents of the - # given string ('kernel-params') and return a list of additional params - # that it would like to see added. - my $self = shift; - my $kernelParams = shift; + # In order to do so, the plugin should return a list of additional kernel + # params that it would like to see added. + my $self = shift; + my $makeInitRamFSEngine = shift; return; } @@ -171,7 +170,8 @@ sub copyRequiredFilesIntoInitramfs # all required files from the vendor-OS into the initramfs. # N.B.: Only files that are indeed required by the initramfs should be # copied here, i.e. files that are needed *before* the root-fs - # has been mounted! + # has been mounted. + # All other files should be taken from the root-fs instead! my $self = shift; my $targetPath = shift; my $attrs = shift; @@ -179,3 +179,64 @@ sub copyRequiredFilesIntoInitramfs return; } + +sub setupPluginInInitramfs +{ # called by config-demuxer in order to let the plugin setup all the files + # it requires in the initramfs. + # Normally, you don't need to override this method in your own plugin, + # as it is usually enough to override suggestAdditionalKernelParams(), + # suggestAdditionalKernelModules() and maybe copyRequiredFilesIntoInitramfs(). + my $self = shift; + my $attrs = shift; + my $makeInitRamFSEngine = shift; + + my $pluginName = $self->{name}; + my $pluginSrcPath = "$openslxConfig{'base-path'}/lib/plugins"; + my $buildPath = $makeInitRamFSEngine->{'build-path'}; + my $pluginInitdPath = "$buildPath/etc/plugin-init.d"; + my $initHooksPath = "$buildPath/etc/init-hooks"; + + # copy runlevel script + my $precedence + = sprintf('%02d', $attrs->{"${pluginName}::precedence"}); + my $scriptName = "$pluginSrcPath/$pluginName/XX_${pluginName}.sh"; + my $targetName = "$pluginInitdPath/${precedence}_${pluginName}.sh"; + if (-e $scriptName) { + $makeInitRamFSEngine->addCMD("cp $scriptName $targetName"); + $makeInitRamFSEngine->addCMD("chmod a+x $targetName"); + } + + # copy init hook scripts, if any + if (-d "$pluginSrcPath/$pluginName/init-hooks") { + my $hookSrcPath = "$pluginSrcPath/$pluginName/init-hooks"; + $makeInitRamFSEngine->addCMD( + "cp -r $hookSrcPath/* $buildPath/etc/init-hooks/" + ); + } + + # invoke hook methods to suggest additional kernel params ... + my @suggestedParams + = $self->suggestAdditionalKernelParams($makeInitRamFSEngine); + if (@suggestedParams) { + my $params = join ' ', @suggestedParams; + vlog(1, "plugin $pluginName suggests these kernel params: $params"); + $makeInitRamFSEngine->addKernelParams(@suggestedParams); + } + + # ... and kernel modules + my @suggestedModules + = $self->suggestAdditionalKernelModules($makeInitRamFSEngine); + if (@suggestedModules) { + my $modules = join(',', @suggestedModules); + vlog(1, "plugin $pluginName suggests these kernel modules: $modules"); + $makeInitRamFSEngine->addKernelModules(@suggestedModules); + } + + # invoke hook method to copy any further files that are required in stage3 + # before the root-fs has been mounted + $self->copyRequiredFilesIntoInitramfs( + $buildPath, $attrs, $makeInitRamFSEngine + ); + + return 1; +} |