* first ideas of distro based utilities

 * usage: 
    use OpenSLX::DistroUtils;
    
    # get initfile object
    my $initfile = newInitFile();
    
    # modify the object
    $initfile->addToBlock('head', 'set some variables');
    
    # 3rd parameter is setting the priority of the entry
    # default is 5
    $initfile->addToBlock('head', 'set sth at the very beginning', 1);
    $initfile->addToBlock('start', '/bin/startsomething');
    $initfile->addToBlock('stop', '/bin/stopsomething');
    $initfile->setName('foo');
    ..
    
    # get generated content of initfile
    $source = getInitFileForDistro($initfile, 'Ubuntu');
    

git-svn-id: http://svn.openslx.org/svn/openslx/openslx/trunk@2405 95ad53e4-c205-0410-b2fa-d234c58c8868

1 files changed, 136 insertions, 0 deletions

diff --git a/lib/OpenSLX/DistroUtils/Base.pm b/lib/OpenSLX/DistroUtils/Base.pm
new file mode 100644
index 00000000..bc6f6f69
--- /dev/null
+++ b/lib/OpenSLX/DistroUtils/Base.pm
@@ -0,0 +1,136 @@
+package OpenSLX::DistroUtils::Base;
+
+use Data::Dumper;
+use OpenSLX::Utils;
+
+
+sub new
+{
+    my $class = shift;
+    my $self = {};
+    return bless $self, $class;
+}
+
+sub dumpInit
+{
+    my $self = shift;
+    my $initFile = shift;
+    
+    print  Dumper($initFile->{'configHash'});
+    
+    print $self->generateInitFile($initFile);
+}
+
+sub _combineBlock
+{
+    my $self = shift;
+    my $block = shift;
+    
+    my $output;
+    
+    $output = "#";
+    $output .= $block->{'blockDesc'};
+    $output .= "\n  ";
+    
+    my $content = $block->{'content'};
+    while ( ($priority, $contentArray) = each %$content )
+    {
+        $output .= join("\n  ", @$contentArray);
+        $output .= "\n  ";
+    }
+    
+    $output .= "\n";
+    return $output;
+}
+
+sub _renderInfoBlock
+{
+    my $self = shift;
+    my $config = shift;
+    
+    my $tpl = unshiftHereDoc(<<'    End-of-Here');
+    ### BEGIN INIT INFO
+    # Provides:             %s
+    # Required-Start:       %s
+    # Required-Stop:        %s
+    # Default-Start:        %s
+    # Default-Stop:         %s
+    # Short-Description:    %s
+    ### END INIT INFO
+    
+    End-of-Here
+    
+    return sprintf(
+      $tpl,
+      $config->{'name'},
+      $config->{'requiredStart'},
+      $config->{'requiredStop'},
+      $config->{'defaultStart'},
+      $config->{'defaultStop'},
+      $config->{'shortDesc'}
+    );
+}
+
+sub generateInitFile
+{
+    my $self = shift;
+    my $initFile = shift;
+    
+    my $config = $initFile->{'configHash'};
+    
+    $output = "#!/bin/sh\n\n";
+    $output .= $self->_renderInfoBlock($config);
+    $output .= "set -e \n\n";
+    if (keys(%{$config->{'head'}->{'content'}}) > 0) {
+        $output .= $self->_combineBlock($config->{'head'});
+    }
+    if (keys(%{$config->{'functions'}->{'content'}}) > 0) {
+        $output .= $self->_combineBlock($config->{'functions'});
+    }
+    $output .= "case \"\$1\" in \n";
+    if (keys(%{$config->{'start'}->{'content'}}) > 0) {
+        $output .= "  start)\n";
+        $output .= $self->_combineBlock($config->{'start'});
+        $output .= "  ;;\n";
+    } else {
+        # trigger error
+        # start is essential
+    }
+    if (keys(%{$config->{'stop'}->{'content'}}) > 0) {
+        $output .= "  stop)\n";
+        $output .= $self->_combineBlock($config->{'stop'});
+        $output .= "  ;;\n";
+    } else {
+        # trigger error
+        # stop is essential
+    }
+    if (keys(%{$config->{'reload'}->{'content'}}) > 0) {
+        $output .= "  reload)\n";
+        $output .= $self->_combineBlock($config->{'relaod'});
+        $output .= "  ;;\n";
+    }
+    if (keys(%{$config->{'restart'}->{'content'}}) > 0) {
+        $output .= "  restart)\n";
+        $output .= $self->_combineBlock($config->{'restart'});
+        $output .= "  ;;\n";
+    }
+    if (keys(%{$config->{'status'}->{'content'}}) > 0) {
+        $output .= "  status)\n";
+        $output .= $self->_combineBlock($config->{'status'});
+        $output .= "  ;;\n";
+    }
+    if (keys(%{$config->{'usage'}->{'content'}}) > 0) {
+        $output .= "  *)\n";
+        $output .= $self->_combineBlock($config->{'usage'});
+        $output .= "  exit 1\n";
+    } else {
+        # try to generate usage
+        # $this->_generateUsage();
+    }
+    $output .= "esac\n\n";
+    $output .= "exit 0\n";
+    return $output;
+    
+}
+
+1;
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