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"""
BitBake 'Fetch' clearcase implementation
The clearcase fetcher is used to retrieve files from a ClearCase repository.
Usage in the recipe:
SRC_URI = "ccrc://cc.example.org/ccrc;vob=/example_vob;module=/example_module"
SRCREV = "EXAMPLE_CLEARCASE_TAG"
PV = "${@d.getVar("SRCREV", False).replace("/", "+")}"
The fetcher uses the rcleartool or cleartool remote client, depending on which one is available.
Supported SRC_URI options are:
- vob
(required) The name of the clearcase VOB (with prepending "/")
- module
The module in the selected VOB (with prepending "/")
The module and vob parameters are combined to create
the following load rule in the view config spec:
load <vob><module>
- proto
http or https
Related variables:
CCASE_CUSTOM_CONFIG_SPEC
Write a config spec to this variable in your recipe to use it instead
of the default config spec generated by this fetcher.
Please note that the SRCREV loses its functionality if you specify
this variable. SRCREV is still used to label the archive after a fetch,
but it doesn't define what's fetched.
User credentials:
cleartool:
The login of cleartool is handled by the system. No special steps needed.
rcleartool:
In order to use rcleartool with authenticated users an `rcleartool login` is
necessary before using the fetcher.
"""
# Copyright (C) 2014 Siemens AG
#
# SPDX-License-Identifier: GPL-2.0-only
#
import os
import shutil
import bb
from bb.fetch2 import FetchMethod
from bb.fetch2 import FetchError
from bb.fetch2 import MissingParameterError
from bb.fetch2 import ParameterError
from bb.fetch2 import runfetchcmd
from bb.fetch2 import logger
class ClearCase(FetchMethod):
"""Class to fetch urls via 'clearcase'"""
def init(self, d):
pass
def supports(self, ud, d):
"""
Check to see if a given url can be fetched with Clearcase.
"""
return ud.type in ['ccrc']
def debug(self, msg):
logger.debug(1, "ClearCase: %s", msg)
def urldata_init(self, ud, d):
"""
init ClearCase specific variable within url data
"""
ud.proto = "https"
if 'protocol' in ud.parm:
ud.proto = ud.parm['protocol']
if not ud.proto in ('http', 'https'):
raise ParameterError("Invalid protocol type", ud.url)
ud.vob = ''
if 'vob' in ud.parm:
ud.vob = ud.parm['vob']
else:
msg = ud.url+": vob must be defined so the fetcher knows what to get."
raise MissingParameterError('vob', msg)
if 'module' in ud.parm:
ud.module = ud.parm['module']
else:
ud.module = ""
ud.basecmd = d.getVar("FETCHCMD_ccrc") or "/usr/bin/env cleartool || rcleartool"
if d.getVar("SRCREV") == "INVALID":
raise FetchError("Set a valid SRCREV for the clearcase fetcher in your recipe, e.g. SRCREV = \"/main/LATEST\" or any other label of your choice.")
ud.label = d.getVar("SRCREV", False)
ud.customspec = d.getVar("CCASE_CUSTOM_CONFIG_SPEC")
ud.server = "%s://%s%s" % (ud.proto, ud.host, ud.path)
ud.identifier = "clearcase-%s%s-%s" % ( ud.vob.replace("/", ""),
ud.module.replace("/", "."),
ud.label.replace("/", "."))
ud.viewname = "%s-view%s" % (ud.identifier, d.getVar("DATETIME", d, True))
ud.csname = "%s-config-spec" % (ud.identifier)
ud.ccasedir = os.path.join(d.getVar("DL_DIR"), ud.type)
ud.viewdir = os.path.join(ud.ccasedir, ud.viewname)
ud.configspecfile = os.path.join(ud.ccasedir, ud.csname)
ud.localfile = "%s.tar.gz" % (ud.identifier)
self.debug("host = %s" % ud.host)
self.debug("path = %s" % ud.path)
self.debug("server = %s" % ud.server)
self.debug("proto = %s" % ud.proto)
self.debug("type = %s" % ud.type)
self.debug("vob = %s" % ud.vob)
self.debug("module = %s" % ud.module)
self.debug("basecmd = %s" % ud.basecmd)
self.debug("label = %s" % ud.label)
self.debug("ccasedir = %s" % ud.ccasedir)
self.debug("viewdir = %s" % ud.viewdir)
self.debug("viewname = %s" % ud.viewname)
self.debug("configspecfile = %s" % ud.configspecfile)
self.debug("localfile = %s" % ud.localfile)
ud.localfile = os.path.join(d.getVar("DL_DIR"), ud.localfile)
def _build_ccase_command(self, ud, command):
"""
Build up a commandline based on ud
command is: mkview, setcs, rmview
"""
options = []
if "rcleartool" in ud.basecmd:
options.append("-server %s" % ud.server)
basecmd = "%s %s" % (ud.basecmd, command)
if command == 'mkview':
if not "rcleartool" in ud.basecmd:
# Cleartool needs a -snapshot view
options.append("-snapshot")
options.append("-tag %s" % ud.viewname)
options.append(ud.viewdir)
elif command == 'rmview':
options.append("-force")
options.append("%s" % ud.viewdir)
elif command == 'setcs':
options.append("-overwrite")
options.append(ud.configspecfile)
else:
raise FetchError("Invalid ccase command %s" % command)
ccasecmd = "%s %s" % (basecmd, " ".join(options))
self.debug("ccasecmd = %s" % ccasecmd)
return ccasecmd
def _write_configspec(self, ud, d):
"""
Create config spec file (ud.configspecfile) for ccase view
"""
config_spec = ""
custom_config_spec = d.getVar("CCASE_CUSTOM_CONFIG_SPEC", d)
if custom_config_spec is not None:
for line in custom_config_spec.split("\\n"):
config_spec += line+"\n"
bb.warn("A custom config spec has been set, SRCREV is only relevant for the tarball name.")
else:
config_spec += "element * CHECKEDOUT\n"
config_spec += "element * %s\n" % ud.label
config_spec += "load %s%s\n" % (ud.vob, ud.module)
logger.info("Using config spec: \n%s" % config_spec)
with open(ud.configspecfile, 'w') as f:
f.write(config_spec)
def _remove_view(self, ud, d):
if os.path.exists(ud.viewdir):
cmd = self._build_ccase_command(ud, 'rmview');
logger.info("cleaning up [VOB=%s label=%s view=%s]", ud.vob, ud.label, ud.viewname)
bb.fetch2.check_network_access(d, cmd, ud.url)
output = runfetchcmd(cmd, d, workdir=ud.ccasedir)
logger.info("rmview output: %s", output)
def need_update(self, ud, d):
if ("LATEST" in ud.label) or (ud.customspec and "LATEST" in ud.customspec):
ud.identifier += "-%s" % d.getVar("DATETIME",d, True)
return True
if os.path.exists(ud.localpath):
return False
return True
def supports_srcrev(self):
return True
def sortable_revision(self, ud, d, name):
return False, ud.identifier
def download(self, ud, d):
"""Fetch url"""
# Make a fresh view
bb.utils.mkdirhier(ud.ccasedir)
self._write_configspec(ud, d)
cmd = self._build_ccase_command(ud, 'mkview')
logger.info("creating view [VOB=%s label=%s view=%s]", ud.vob, ud.label, ud.viewname)
bb.fetch2.check_network_access(d, cmd, ud.url)
try:
runfetchcmd(cmd, d)
except FetchError as e:
if "CRCLI2008E" in e.msg:
raise FetchError("%s\n%s\n" % (e.msg, "Call `rcleartool login` in your console to authenticate to the clearcase server before running bitbake."))
else:
raise e
# Set configspec: Setting the configspec effectively fetches the files as defined in the configspec
cmd = self._build_ccase_command(ud, 'setcs');
logger.info("fetching data [VOB=%s label=%s view=%s]", ud.vob, ud.label, ud.viewname)
bb.fetch2.check_network_access(d, cmd, ud.url)
output = runfetchcmd(cmd, d, workdir=ud.viewdir)
logger.info("%s", output)
# Copy the configspec to the viewdir so we have it in our source tarball later
shutil.copyfile(ud.configspecfile, os.path.join(ud.viewdir, ud.csname))
# Clean clearcase meta-data before tar
runfetchcmd('tar -czf "%s" .' % (ud.localpath), d, cleanup = [ud.localpath], workdir = ud.viewdir)
# Clean up so we can create a new view next time
self.clean(ud, d);
def clean(self, ud, d):
self._remove_view(ud, d)
bb.utils.remove(ud.configspecfile)
|
