move config code in MDV::Draklive::Config

1 files changed, 87 insertions, 0 deletions

diff --git a/lib/MDV/Draklive/Config.pm b/lib/MDV/Draklive/Config.pm
new file mode 100644
index 0000000..3172d80
--- /dev/null
+++ b/lib/MDV/Draklive/Config.pm
@@ -0,0 +1,87 @@
+package MDV::Draklive::Config;
+
+use MDK::Common;
+use Pod::Usage;
+use Cwd 'getcwd';
+
+our $default_config_root = '/etc/draklive';
+our $default_config_path = 'config/live.cfg';
+our $default_settings_path = 'config/settings.cfg';
+
+sub read_config {
+    my ($live, $config_root, $config_path, $settings_path) = @_;
+
+    if ($config_path && -e getcwd() . '/' . $config_path) {
+        $config_root = getcwd();
+    }
+    print "using $config_root as directory root\n";
+
+    add2hash($live->{settings} ||= {}, { getVarsFromSh($config_root . '/' . $settings_path) }) if $settings_path;
+    if ($config_path) {
+        #- don't use do(), since it can't see lexicals in the enclosing scope
+        my $cfg = eval(cat_($config_root . '/' . $config_path)) or die "unable to load $config_path: $@\n";
+        put_in_hash($live, $cfg);
+        print "loaded $config_path as config file\n";
+    }
+    $live->{settings}{config_root} = $config_root;
+}
+
+sub check_config {
+    my ($live) = @_;
+    unless (keys(%$live)) {
+        warn "no live definition\n";
+        Pod::Usage::pod2usage();
+    }
+    #- check for minimum requirements
+    ref $live->{media} && $live->{media}{storage} or die "no media storage definition\n";
+    ref $live->{system} or die "no system definition\n";
+}
+
+sub complete_config {
+    my ($live) = @_;
+
+    my $default_prefix = {
+        build => {
+            boot => '/boot',
+            files => '/files',
+            dist => '/dist',
+            initrd => '/initrd',
+            loopbacks => '/loopbacks',
+            modules => '/modules',
+            scripts => '/scripts',
+        },
+        media => {
+            boot => '/boot',
+            hidden_boot => '/.boot',
+            loopbacks => '/loopbacks',
+            hidden_loopbacks => '/.loopbacks',
+            mnt => '/media',
+        },
+        live => {
+            mnt => '/live',
+        },
+    };
+
+    #- set unsupplied config dirs
+    add2hash($live->{prefix}{$_} ||= {}, $default_prefix->{$_}) foreach keys %$default_prefix;
+
+    $live->{settings}{builddir} ||= '/var/lib/draklive/build';
+    $live->{settings}{chroot} ||= '/var/lib/draklive/chroot';
+
+    $live->{settings}{arch} ||= chomp_(`rpm --eval '%{_target_cpu}'`);
+    $live->{media}{title} ||= "live";
+
+    bless $live->{media}, 'MDV::Draklive::Media';
+
+    mkdir_p($live->get_builddir);
+    mkdir_p($live->get_system_root);
+    $live->{mnt} ||= $live->get_builddir . "/mnt";
+}
+
+sub dump_config {
+    my ($live) = @_;
+    use Data::Dumper;
+    print Data::Dumper->Dump([ $live ], [ "live" ]);
+}
+
+1;