Changeset 24193

Timestamp:

11/19/09 18:16:30 (4 months ago)

Author:

broder

Message:

Update our build infrastructure and docs to use aufs chroots instead
of LVM snapshots.

Location:

trunk/debathena

Files:

• NOTES (modified) (3 diffs)
• scripts/build-server/07debathena (added)
• scripts/build-server/make-chroot (modified) (1 diff)

trunk/debathena/NOTES

@@ -21 +21 @@
 
   * schroot - Used to manage build chroot environments for each
-    Debian/Ubuntu version.  We use the lvm-snapshot schroot type,
-    which allows rapid construction of ephemeral copies of template
-    "source" chroots, so that every binary package build is done in a
-    clean environment.
+    Debian/Ubuntu version.  We use the device schroot type with aufs
+    union mounts, which allows rapid construction of ephemeral copies
+    of template "source" chroots, so that every binary package build
+    is done in a clean environment.
 
   * debuild - Used to create Debian source packages from package
@@ -336 +336 @@
 
      Note that currently the build system uses the latest version of
-     sbuild, so if you have not installed Debian testing, you'll
-     need to set up apt pinning to grab sbuild from there. See the
-     apt_preferences man page.
+     sbuild, so if you have not installed Debian testing, you'll need
+     to set up apt pinning to grab sbuild from there. See the
+     apt_preferences man page. You'll also need to grab schroot from
+     Debian experimental.
 
   5. Install debathena-standard, debathena-ssh-server, and
@@ -348 +349 @@
      when an error occurs building a source package.)
 
-  6. Append to /etc/approx/approx.conf the contents of
+  6. Install the module-assistant package and build the aufs kernel
+     module by running "m-a -ti a-i aufs"
+
+  7. Append to /etc/approx/approx.conf the contents of
       scripts/build-server/approx.conf.tail.
      Run: /etc/init.d/approx restart
 
-  7. Apply scripts/build-server/mount-defaults.patch.
-
-  8. Edit /etc/lvm/lvm.conf and change "archive = 1" to "archive = 0"
-     in order to avoid generating a bazillion backup files under
-     /etc/lvm/archive.
-
-  9. For each supported DIST (see scripts/debian-versions.sh) run:
-
-       VG=/dev/blah scripts/build-server/make-chroot DIST i386
-       VG=/dev/blah scripts/build-server/make-chroot DIST amd64
-
-     substituting the name of the volume group for blah.
-
-     Example: VG=/dev/dink scripts/build-server/make-chroot intrepid i386
-
-  10. Create a local account for builder with:
+  8. Apply scripts/build-server/mount-defaults.patch.
+
+  9. Copy scripts/build-server/07debathena to /etc/schroot/setup.d/
+
+  10. For each supported DIST (see scripts/debian-versions.sh) run:
+
+        VG=/dev/blah scripts/build-server/make-chroot DIST i386
+        VG=/dev/blah scripts/build-server/make-chroot DIST amd64
+
+      substituting the name of the volume group for blah.
+
+      Example: VG=/dev/dink scripts/build-server/make-chroot intrepid i386
+
+  11. Create a local account for builder with:
 
         adduser --uid 1047 --disabled-password builder

trunk/debathena/scripts/build-server/make-chroot

@@ -74 +74 @@
 cat >> "$CONF" <<EOF
 [$CHROOT]
-type=lvm-snapshot
+type=device
+union-type=aufs
 description=$CHROOT
-priority=3
 groups=root,sbuild
 root-groups=root,sbuild
 source-groups=root
 device=$DEVICE
-mount-options=-o noatime
-lvm-snapshot-options=--size $SIZE
 personality=$PERSONALITY
-run-setup-scripts=true
-run-exec-scripts=true
 EOF