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lorax
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Configurable compression type/speed/bcj use 

* add bcj arch dict to ArchData
* add "compression" settings back to __init__.py
* pass them to treebuilder.create_runtime
* pass them through to imgutils.mksquashfs
This commit is contained in:
Will Woods 2011-07-20 16:45:00 -04:00
parent 7f087ead73
commit 3099c0a44d
2 changed files with 17 additions and 5 deletions
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18
src/pylorax/__init__.py
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@ -51,10 +51,14 @@ from discinfo import DiscInfo
class ArchData(DataHolder):
lib64_arches = ("x86_64", "ppc64", "sparc64", "s390x", "ia64")
bcj = dict(i386="x86", x86_64="x86",
ppc="powerpc", ppc64="powerpc",
sparc="sparc", sparc64="sparc")
def __init__(self, buildarch):
self.buildarch = buildarch
self.basearch = getBaseArch(buildarch)
self.libdir = "lib64" if self.basearch in self.lib64_arches else "lib"
self.bcj = bcj.get(self.basearch)
class Lorax(BaseLoraxClass):
@ -83,7 +87,8 @@ class Lorax(BaseLoraxClass):
self.conf.add_section("compression")
self.conf.set("compression", "type", "xz")
self.conf.set("compression", "speed", "9")
self.conf.set("compression", "args", "")
self.conf.set("compression", "bcj", "on")
# read the config file
if os.path.isfile(conf_file):
@ -210,8 +215,15 @@ class Lorax(BaseLoraxClass):
logger.info("creating the runtime image")
runtime = "images/install.img"
# FIXME: compression options (type, speed, etc.)
rb.create_runtime(joinpaths(installroot,runtime))
compression = self.conf.get("compression", "type")
compressargs = self.conf.get("compression", "args").split()
if self.conf.getboolean("compression", "bcj"):
if self.arch.bcj:
compressargs += ["-Xbcj", self.arch.bcj]
else:
logger.info("no BCJ filter for arch %s", self.arch.basearch)
rb.create_runtime(joinpaths(installroot,runtime),
compression=compression, compressargs=compressargs)
logger.info("preparing to build output tree and boot images")
treebuilder = TreeBuilder(product=self.product, arch=self.arch,

4
src/pylorax/treebuilder.py
View File

@ -108,7 +108,7 @@ class RuntimeBuilder(object):
check_call(["depmod", "-a", "-F", ksyms, "-b", root, kver])
generate_module_info(moddir+kver, outfile=moddir+"module-info")
def create_runtime(self, outfile="/tmp/squashfs.img"):
def create_runtime(self, outfile="/tmp/squashfs.img", compression="xz", compressargs=[]):
# make live rootfs image - must be named "LiveOS/rootfs.img" for dracut
workdir = joinpaths(os.path.dirname(outfile), "runtime-workdir")
fssize = 2 * (1024*1024*1024) # 2GB sparse file compresses down to nothin'
@ -116,7 +116,7 @@ class RuntimeBuilder(object):
imgutils.mkext4img(self.vars.root, joinpaths(workdir, "LiveOS/rootfs.img"),
label="Anaconda", size=fssize)
# squash the live rootfs and clean up workdir
imgutils.mksquashfs(workdir, outfile)
imgutils.mksquashfs(workdir, outfile, compression, compressargs)
remove(workdir)
class TreeBuilder(object):