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"""
Builder class for snapshots.
"""
import os
from catalyst_support import *
from generic_stage_target import *
class snapshot_target(generic_stage_target):
def __init__(self,myspec,addlargs):
self.required_values=["version_stamp","target"]
self.valid_values=["version_stamp","target"]
generic_target.__init__(self,myspec,addlargs)
self.settings=myspec
self.settings["target_subpath"]="portage"
st=self.settings["storedir"]
self.settings["snapshot_path"]=normpath(st+"/snapshots/portage-"+self.settings["version_stamp"]\
+".tar.bz2")
self.settings["tmp_path"]=normpath(st+"/tmp/"+self.settings["target_subpath"])
def setup(self):
x=normpath(self.settings["storedir"]+"/snapshots")
if not os.path.exists(x):
os.makedirs(x)
def mount_safety_check(self):
pass
def run(self):
if self.settings.has_key("PURGEONLY"):
self.purge()
return
if self.settings.has_key("PURGE"):
self.purge()
self.setup()
print "Creating Portage tree snapshot "+self.settings["version_stamp"]+\
" from "+self.settings["portdir"]+"..."
mytmp=self.settings["tmp_path"]
if not os.path.exists(mytmp):
os.makedirs(mytmp)
cmd("rsync -a --delete --exclude /packages/ --exclude /distfiles/ --exclude /local/ --exclude CVS/ --exclude .svn --filter=H_**/files/digest-* "+\
self.settings["portdir"]+"/ "+mytmp+"/portage/","Snapshot failure",env=self.env)
print "Compressing Portage snapshot tarball..."
cmd("tar cjf "+self.settings["snapshot_path"]+" -C "+mytmp+" portage",\
"Snapshot creation failure",env=self.env)
self.gen_contents_file(self.settings["snapshot_path"])
self.gen_digest_file(self.settings["snapshot_path"])
self.cleanup()
print "snapshot: complete!"
def kill_chroot_pids(self):
pass
def cleanup(self):
print "Cleaning up..."
def purge(self):
myemp=self.settings["tmp_path"]
if os.path.isdir(myemp):
print "Emptying directory",myemp
"""
stat the dir, delete the dir, recreate the dir and set
the proper perms and ownership
"""
mystat=os.stat(myemp)
""" There's no easy way to change flags recursively in python """
if os.uname()[0] == "FreeBSD":
os.system("chflags -R noschg "+myemp)
shutil.rmtree(myemp)
os.makedirs(myemp,0755)
os.chown(myemp,mystat[ST_UID],mystat[ST_GID])
os.chmod(myemp,mystat[ST_MODE])
def register(foo):
foo.update({"snapshot":snapshot_target})
return foo
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