generic-poky/meta/classes/sstate.bbclass

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SSTATE_VERSION = "1"
SSTATE_MANIFESTS = "${TMPDIR}/sstate-control"
SSTATE_MANFILEBASE = "${SSTATE_MANIFESTS}/manifest-${SSTATE_PKGARCH}-"
SSTATE_MANFILEPREFIX = "${SSTATE_MANFILEBASE}${PN}"
SSTATE_PKGARCH = "${MULTIMACH_ARCH}"
SSTATE_PKGSPEC = "sstate-${PN}-${MULTIMACH_ARCH}${TARGET_VENDOR}-${TARGET_OS}-${PV}-${PR}-${SSTATE_PKGARCH}-${SSTATE_VERSION}-"
SSTATE_PKGNAME = "${SSTATE_PKGSPEC}${BB_TASKHASH}"
SSTATE_PKG = "${SSTATE_DIR}/${SSTATE_PKGNAME}"
SSTATE_SCAN_CMD ?= "find ${SSTATE_BUILDDIR} \( -name "*.la" -o -name "*-config" \) -type f"
BB_HASHFILENAME = "${SSTATE_PKGNAME}"
python () {
if bb.data.inherits_class('native', d):
bb.data.setVar('SSTATE_PKGARCH', bb.data.getVar('BUILD_ARCH', d), d)
elif bb.data.inherits_class('cross', d) or bb.data.inherits_class('crosssdk', d):
bb.data.setVar('SSTATE_PKGARCH', bb.data.expand("${BUILD_ARCH}_${BASE_PACKAGE_ARCH}", d), d)
elif bb.data.inherits_class('nativesdk', d):
bb.data.setVar('SSTATE_PKGARCH', bb.data.expand("${SDK_ARCH}", d), d)
elif bb.data.inherits_class('cross-canadian', d):
bb.data.setVar('SSTATE_PKGARCH', bb.data.expand("${SDK_ARCH}_${BASE_PACKAGE_ARCH}", d), d)
# These classes encode staging paths into their scripts data so can only be
# reused if we manipulate the paths
if bb.data.inherits_class('native', d) or bb.data.inherits_class('cross', d) or bb.data.inherits_class('sdk', d) or bb.data.inherits_class('crosssdk', d):
scan_cmd = "grep -Irl ${STAGING_DIR} ${SSTATE_BUILDDIR}"
bb.data.setVar('SSTATE_SCAN_CMD', scan_cmd, d)
namemap = []
for task in (bb.data.getVar('SSTATETASKS', d, True) or "").split():
namemap.append(bb.data.getVarFlag(task, 'sstate-name', d))
funcs = bb.data.getVarFlag(task, 'prefuncs', d) or ""
funcs = "sstate_task_prefunc " + funcs
bb.data.setVarFlag(task, 'prefuncs', funcs, d)
funcs = bb.data.getVarFlag(task, 'postfuncs', d) or ""
funcs = funcs + " sstate_task_postfunc"
bb.data.setVarFlag(task, 'postfuncs', funcs, d)
d.setVar('SSTATETASKNAMES', " ".join(namemap))
}
def sstate_init(name, d):
ss = {}
ss['name'] = name
ss['dirs'] = []
ss['plaindirs'] = []
ss['lockfiles'] = []
return ss
def sstate_state_fromvars(d, task = None):
if task is None:
task = bb.data.getVar('BB_CURRENTTASK', d, True)
if not task:
bb.fatal("sstate code running without task context?!")
task = task.replace("_setscene", "")
name = bb.data.expand(bb.data.getVarFlag("do_" + task, 'sstate-name', d), d)
inputs = (bb.data.expand(bb.data.getVarFlag("do_" + task, 'sstate-inputdirs', d) or "", d)).split()
outputs = (bb.data.expand(bb.data.getVarFlag("do_" + task, 'sstate-outputdirs', d) or "", d)).split()
plaindirs = (bb.data.expand(bb.data.getVarFlag("do_" + task, 'sstate-plaindirs', d) or "", d)).split()
lockfiles = (bb.data.expand(bb.data.getVarFlag("do_" + task, 'sstate-lockfile', d) or "", d)).split()
interceptfuncs = (bb.data.expand(bb.data.getVarFlag("do_" + task, 'sstate-interceptfuncs', d) or "", d)).split()
if not name or len(inputs) != len(outputs):
bb.fatal("sstate variables not setup correctly?!")
ss = sstate_init(name, d)
for i in range(len(inputs)):
sstate_add(ss, inputs[i], outputs[i], d)
ss['lockfiles'] = lockfiles
ss['plaindirs'] = plaindirs
ss['interceptfuncs'] = interceptfuncs
return ss
def sstate_add(ss, source, dest, d):
srcbase = os.path.basename(source)
ss['dirs'].append([srcbase, source, dest])
return ss
def sstate_install(ss, d):
import oe.path
sharedfiles = []
shareddirs = []
bb.mkdirhier(bb.data.expand("${SSTATE_MANIFESTS}", d))
manifest = bb.data.expand("${SSTATE_MANFILEPREFIX}.%s" % ss['name'], d)
if os.access(manifest, os.R_OK):
bb.fatal("Package already staged (%s)?!" % manifest)
def checkmanifest(pn, task):
return os.access(bb.data.expand("${SSTATE_MANFILEBASE}%s.%s" % (pn, task), d), os.R_OK)
skipinst = False
pn = d.getVar("PN", True)
if pn == "gcc-cross-initial":
if checkmanifest("gcc-cross", "populate-sysroot"):
skipinst = True
if checkmanifest("gcc-cross-intermediate", "populate-sysroot"):
skipinst = True
elif pn == "gcc-cross-intermediate":
if checkmanifest("gcc-cross", "populate-sysroot"):
skipinst = True
elif pn == "glibc-initial":
if checkmanifest("glibc", "populate-sysroot"):
skipinst = True
elif pn == "eglibc-initial":
if checkmanifest("eglibc", "populate-sysroot"):
skipinst = True
if skipinst:
bb.note("Not staging %s.%s as sysroot already contains better functionality" % (pn, ss['name']))
return
locks = []
for lock in ss['lockfiles']:
locks.append(bb.utils.lockfile(lock))
for state in ss['dirs']:
oe.path.copytree(state[1], state[2])
for walkroot, dirs, files in os.walk(state[1]):
for file in files:
srcpath = os.path.join(walkroot, file)
dstpath = srcpath.replace(state[1], state[2])
bb.debug(2, "Staging %s to %s" % (srcpath, dstpath))
sharedfiles.append(dstpath)
for dir in dirs:
srcdir = os.path.join(walkroot, dir)
dstdir = srcdir.replace(state[1], state[2])
bb.debug(2, "Staging %s to %s" % (srcdir, dstdir))
if not dstdir.endswith("/"):
dstdir = dstdir + "/"
shareddirs.append(dstdir)
f = open(manifest, "w")
for file in sharedfiles:
f.write(file + "\n")
# We want to ensure that directories appear at the end of the manifest
# so that when we test to see if they should be deleted any contents
# added by the task will have been removed first.
dirs = sorted(shareddirs, key=len)
# Must remove children first, which will have a longer path than the parent
for di in reversed(dirs):
f.write(di + "\n")
f.close()
for lock in locks:
bb.utils.unlockfile(lock)
def sstate_installpkg(ss, d):
import oe.path
sstateinst = bb.data.expand("${WORKDIR}/sstate-install-%s/" % ss['name'], d)
sstatepkg = bb.data.getVar('SSTATE_PKG', d, True) + '_' + ss['name'] + ".tgz"
if not os.path.exists(sstatepkg):
pstaging_fetch(sstatepkg, d)
if not os.path.isfile(sstatepkg):
bb.note("Staging package %s does not exist" % sstatepkg)
return False
sstate_clean(ss, d)
bb.data.setVar('SSTATE_INSTDIR', sstateinst, d)
bb.data.setVar('SSTATE_PKG', sstatepkg, d)
bb.build.exec_func('sstate_unpack_package', d)
# Fixup hardcoded paths
fixmefn = sstateinst + "fixmepath"
if os.path.isfile(fixmefn):
staging = bb.data.getVar('STAGING_DIR', d, True)
fixmefd = open(fixmefn, "r")
fixmefiles = fixmefd.readlines()
fixmefd.close()
for file in fixmefiles:
os.system("sed -i -e s:FIXMESTAGINGDIR:%s:g %s" % (staging, sstateinst + file))
for state in ss['dirs']:
if os.path.exists(state[1]):
oe.path.remove(state[1])
oe.path.copytree(sstateinst + state[0], state[1])
sstate_install(ss, d)
for plain in ss['plaindirs']:
workdir = d.getVar('WORKDIR', True)
src = sstateinst + "/" + plain.replace(workdir, '')
dest = plain
bb.mkdirhier(src)
bb.mkdirhier(dest)
oe.path.copytree(src, dest)
return True
def sstate_clean_cachefile(ss, d):
import oe.path
sstatepkgdir = bb.data.getVar('SSTATE_DIR', d, True)
sstatepkgfile = sstatepkgdir + '/' + bb.data.getVar('SSTATE_PKGSPEC', d, True) + "*_" + ss['name'] + ".tgz*"
bb.note("Removing %s" % sstatepkgfile)
oe.path.remove(sstatepkgfile)
def sstate_clean_cachefiles(d):
for task in (bb.data.getVar('SSTATETASKS', d, True) or "").split():
ss = sstate_state_fromvars(d, task[3:])
sstate_clean_cachefile(ss, d)
def sstate_clean_manifest(manifest, d):
import oe.path
if not os.path.exists(manifest):
return
mfile = open(manifest)
entries = mfile.readlines()
mfile.close()
for entry in entries:
entry = entry.strip()
bb.debug(2, "Removing manifest: %s" % entry)
# We can race against another package populating directories as we're removing them
# so we ignore errors here.
try:
if entry.endswith("/"):
if os.path.islink(entry[:-1]):
os.remove(entry[:-1])
elif os.path.exists(entry) and len(os.listdir(entry)) == 0:
os.rmdir(entry[:-1])
else:
oe.path.remove(entry)
except OSError:
pass
oe.path.remove(manifest)
def sstate_clean(ss, d):
manifest = bb.data.expand("${SSTATE_MANFILEPREFIX}.%s" % ss['name'], d)
locks = []
for lock in ss['lockfiles']:
locks.append(bb.utils.lockfile(lock))
sstate_clean_manifest(manifest, d)
for lock in locks:
bb.utils.unlockfile(lock)
SCENEFUNCS += "sstate_cleanall"
CLEANFUNCS += "sstate_cleanall"
python sstate_cleanall() {
import fnmatch
bb.note("Removing shared state for package %s" % bb.data.getVar('PN', d, True))
manifest_dir = bb.data.getVar('SSTATE_MANIFESTS', d, True)
manifest_prefix = bb.data.getVar("SSTATE_MANFILEPREFIX", d, True)
manifest_pattern = os.path.basename(manifest_prefix) + ".*"
if not os.path.exists(manifest_dir):
return
for manifest in (os.listdir(manifest_dir)):
if fnmatch.fnmatch(manifest, manifest_pattern):
name = manifest.replace(manifest_pattern[:-1], "")
namemap = d.getVar('SSTATETASKNAMES', True).split()
tasks = d.getVar('SSTATETASKS', True).split()
taskname = tasks[namemap.index(name)]
shared_state = sstate_state_fromvars(d, taskname[3:])
sstate_clean(shared_state, d)
}
def sstate_package(ss, d):
import oe.path
sstatebuild = bb.data.expand("${WORKDIR}/sstate-build-%s/" % ss['name'], d)
sstatepkg = bb.data.getVar('SSTATE_PKG', d, True) + '_'+ ss['name'] + ".tgz"
bb.mkdirhier(sstatebuild)
bb.mkdirhier(os.path.dirname(sstatepkg))
for state in ss['dirs']:
srcbase = state[0].rstrip("/").rsplit('/', 1)[0]
oe.path.copytree(state[1], sstatebuild + state[0])
for walkroot, dirs, files in os.walk(state[1]):
for file in files:
srcpath = os.path.join(walkroot, file)
dstpath = srcpath.replace(state[1], sstatebuild + state[0])
bb.debug(2, "Preparing %s for packaging at %s" % (srcpath, dstpath))
workdir = bb.data.getVar('WORKDIR', d, True)
for plain in ss['plaindirs']:
pdir = plain.replace(workdir, sstatebuild)
bb.mkdirhier(plain)
bb.mkdirhier(pdir)
oe.path.copytree(plain, pdir)
bb.data.setVar('SSTATE_BUILDDIR', sstatebuild, d)
bb.data.setVar('SSTATE_PKG', sstatepkg, d)
bb.build.exec_func('sstate_create_package', d)
bb.siggen.dump_this_task(sstatepkg + ".siginfo", d)
return
def pstaging_fetch(sstatepkg, d):
import bb.fetch
# only try and fetch if the user has configured a mirror
mirrors = bb.data.getVar('SSTATE_MIRRORS', d, True)
if mirrors:
# Copy the data object and override DL_DIR and SRC_URI
localdata = bb.data.createCopy(d)
bb.data.update_data(localdata)
dldir = bb.data.expand("${SSTATE_DIR}", localdata)
srcuri = "file://" + os.path.basename(sstatepkg)
bb.mkdirhier(dldir)
bb.data.setVar('DL_DIR', dldir, localdata)
bb.data.setVar('PREMIRRORS', mirrors, localdata)
bb.data.setVar('SRC_URI', srcuri, localdata)
# Try a fetch from the sstate mirror, if it fails just return and
# we will build the package
try:
bb.fetch.init([srcuri], localdata)
bb.fetch.go(localdata, [srcuri])
# Need to optimise this, if using file:// urls, the fetcher just changes the local path
# For now work around by symlinking
localpath = bb.data.expand(bb.fetch.localpath(srcuri, localdata), localdata)
if localpath != sstatepkg and os.path.exists(localpath):
os.symlink(localpath, sstatepkg)
except:
pass
def sstate_setscene(d):
shared_state = sstate_state_fromvars(d)
accelerate = sstate_installpkg(shared_state, d)
if not accelerate:
raise bb.build.FuncFailed("No suitable staging package found")
python sstate_task_prefunc () {
shared_state = sstate_state_fromvars(d)
sstate_clean(shared_state, d)
}
python sstate_task_postfunc () {
shared_state = sstate_state_fromvars(d)
sstate_install(shared_state, d)
for intercept in shared_state['interceptfuncs']:
bb.build.exec_func(intercept, d)
sstate_package(shared_state, d)
}
#
# Shell function to generate a sstate package from a directory
# set as SSTATE_BUILDDIR
#
sstate_create_package () {
# Need to remove hardcoded paths and fix these when we install the
# staging packages.
for i in `${SSTATE_SCAN_CMD}` ; do \
sed -i -e s:${STAGING_DIR}:FIXMESTAGINGDIR:g $i
echo $i | sed -e 's:${SSTATE_BUILDDIR}::' >> ${SSTATE_BUILDDIR}fixmepath
done
cd ${SSTATE_BUILDDIR}
tar -cvzf ${SSTATE_PKG} *
cd ${WORKDIR}
rm -rf ${SSTATE_BUILDDIR}
}
#
# Shell function to decompress and prepare a package for installation
#
sstate_unpack_package () {
mkdir -p ${SSTATE_INSTDIR}
cd ${SSTATE_INSTDIR}
tar -xvzf ${SSTATE_PKG}
}
BB_HASHCHECK_FUNCTION = "sstate_checkhashes"
def sstate_checkhashes(sq_fn, sq_task, sq_hash, sq_hashfn, d):
ret = []
# This needs to go away, FIXME
mapping = {
"do_populate_sysroot" : "populate-sysroot",
"do_package_write_ipk" : "deploy-ipk",
"do_package_write_deb" : "deploy-deb",
"do_package_write_rpm" : "deploy-rpm",
"do_package" : "package",
"do_deploy" : "deploy",
}
for task in range(len(sq_fn)):
sstatefile = bb.data.expand("${SSTATE_DIR}/" + sq_hashfn[task] + "_" + mapping[sq_task[task]] + ".tgz", d)
sstatefile = sstatefile.replace("${BB_TASKHASH}", sq_hash[task])
#print("Checking for %s" % sstatefile)
if os.path.exists(sstatefile):
ret.append(task)
continue
mirrors = bb.data.getVar("SSTATE_MIRRORS", d, True)
if mirrors:
# Copy the data object and override DL_DIR and SRC_URI
localdata = bb.data.createCopy(d)
bb.data.update_data(localdata)
dldir = bb.data.expand("${SSTATE_DIR}", localdata)
bb.data.setVar('DL_DIR', dldir, localdata)
bb.data.setVar('PREMIRRORS', mirrors, localdata)
for task in range(len(sq_fn)):
if task in ret:
continue
sstatefile = bb.data.expand("${SSTATE_DIR}/" + sq_hashfn[task] + "_" + mapping[sq_task[task]] + ".tgz", d)
sstatefile = sstatefile.replace("${BB_TASKHASH}", sq_hash[task])
srcuri = "file://" + os.path.basename(sstatefile)
bb.data.setVar('SRC_URI', srcuri, localdata)
#bb.note(str(srcuri))
try:
bb.fetch.init(srcuri.split(), localdata)
bb.fetch.checkstatus(localdata, srcuri.split())
ret.append(task)
except:
pass
return ret