add anaconda dracut module

Install the anaconda dracut module during 'install', use it when
rebuilding initramfs, and clean it up afterward.

Also install '.buildstamp' into the initramfs (the anconda module wants
it).

share/runtime-cleanup.tmpl

@@ -21,7 +21,7 @@ removepkg plymouth*
 removefrom ${product.name}-logos /usr/share/plymouth/*
 ## we don't create new initramfs/bootloader conf inside anaconda
 ## (that happens inside the target system after we install dracut/grubby)
-removepkg dracut-network grubby
+removepkg dracut-network grubby anaconda-dracut
 ## In order to execute the /usr move on upgrades we need convertfs from dracut
 removefrom dracut --allbut /usr/lib/dracut/modules.d/30convertfs/convertfs.sh
 ## we don't run SELinux (not in enforcing, anyway)

share/runtime-install.tmpl

@@ -34,10 +34,12 @@ installpkg kernel
 %endif
 
 ## extra dracut modules
-installpkg dracut-network
+installpkg dracut-network anaconda-dracut
 
 ## required for dracut
 installpkg kbd kbd-misc
+## required for anaconda-dracut (img-lib etc.)
+installpkg tar xz dmidecode curl
 
 ## basic system stuff
 installpkg systemd-sysv systemd-units

src/pylorax/__init__.py

@@ -248,7 +248,8 @@ class Lorax(BaseLoraxClass):
                                   templatedir=templatedir)
 
         logger.info("rebuilding initramfs images")
-        dracut_args=["--xz", "--add", "livenet", "--add", "convertfs", "--omit", "plymouth"]
+        dracut_args=["--xz", "--add", "anaconda", "--omit", "plymouth",
+                     "--install", "/.buildstamp"]
         treebuilder.rebuild_initrds(add_args=dracut_args)
 
         logger.info("populating output tree and building boot images")