extract predefined and custom mounts/fs in MDV::Draklive::Mounts and MDV::Draklive::CustomMedia modules (breaks config files)

1 files changed, 87 insertions, 0 deletions

diff --git a/lib/MDV/Draklive/Mounts.pm b/lib/MDV/Draklive/Mounts.pm
new file mode 100644
index 0000000..f7d630f
--- /dev/null
+++ b/lib/MDV/Draklive/Mounts.pm
@@ -0,0 +1,87 @@
+package MDV::Draklive::Mounts;
+
+use MDK::Common;
+
+my $_dir_distrib_sqfs = {
+    mountpoint => '/distrib',
+    type => 'squashfs',
+    path => '/distrib',
+    # perl -MMDK::Common -e 'print map_index { (32767 - $::i) . " $_" } grep { !m,^/(?:dev|proc|sys|live/distrib), } uniq(<>)' < bootlog.list > config/distrib.sort
+    sort => "config/distrib.sort",
+    build_from => '/',
+};
+my $_dir_memory = {
+    mountpoint => '/memory',
+    type => 'tmpfs',
+};
+
+my $_dir_modules = {
+    mountpoint => '/modules',
+    type => 'modules',
+    path => '/modules',
+    list => 'modules.lst',
+};
+
+our $simple_union = {
+            root => '/union',
+            overlay => 'unionfs',
+            dirs => [
+                {
+                    mountpoint => '/media',
+                    type => 'plain',
+                },
+                $_dir_memory,
+            ],
+        };
+
+our $squash_rw_union = {
+            root => '/union',
+            overlay => 'unionfs',
+            dirs => [
+                $_dir_distrib_sqfs,
+                {
+                    mountpoint => '/media/system',
+                    type => 'plain',
+                },
+            ],
+        };
+
+sub volatile_squash_union {
+            my ($o_modules) = @_;
+            {
+                root => '/union',
+                overlay => 'unionfs',
+                dirs => [
+                    $_dir_distrib_sqfs,
+                    if_($o_modules, $_dir_modules),
+                    $_dir_memory,
+                ],
+            };
+}
+
+sub squash_union {
+            my ($default_size, $o_min_size, $o_modules) = @_;
+            {
+                root => '/union',
+                overlay => 'unionfs',
+                dirs => [
+                    $_dir_distrib_sqfs,
+                    if_($o_modules, $_dir_modules),
+                    {
+                        mountpoint => '/system',
+                        type => 'loopfs',
+                        pre_allocate => $default_size,
+                        if_(defined $o_min_size, min_size => $o_min_size),
+                        fs => 'ext2',
+                        path => '/system'
+                    },
+                    {
+                        mountpoint => '/system',
+                        type => 'tmpfs',
+                        fallback => 1,
+                    },
+                ],
+            };
+}
+
+1;