def _lock_all_repos(p4):
"""
Quickly acquire locks on all Git Fusion repositories, failing immediately
(raises RuntimeError) if any repos are currently locked. Waiting would
only increase the chance of getting blocked on another repo, so scan and
fail fast instead.
Returns a list of the CounterLock instances acquired.
"""
locks = []
views = p4gf_util.view_list(p4)
if not views:
print(_('No Git Fusion clients found.'))
else:
for view in views:
lock = p4gf_lock.view_lock(p4, view)
lock.acquire(-1)
# If that didn't raise an error, then add to the list of locks acquired.
locks.append(lock)
return locks
def _lock_all_repos(p4):
"""
Quickly acquire locks on all Git Fusion repositories, failing immediately
(raises RuntimeError) if any repos are currently locked. Waiting would
only increase the chance of getting blocked on another repo, so scan and
fail fast instead.
Returns a list of the CounterLock instances acquired.
"""
locks = []
views = p4gf_util.view_list(p4)
if not views:
print(_('No Git Fusion clients found.'))
else:
for view in views:
lock = p4gf_lock.view_lock(p4, view)
lock.acquire(-1)
# If that didn't raise an error, then add to the list of locks acquired.
locks.append(lock)
return locks
def main():
"""set up repo for a view"""
parser = p4gf_util.create_arg_parser(
"Initializes Git Fusion Perforce client and Git repository.")
parser.add_argument('--start', metavar="",
help='Changelist number to start repo history, default=1')
parser.add_argument('view', metavar='view',
help='name of view to be initialized')
args = parser.parse_args()
p4gf_version.log_version()
view_name = p4gf_util.argv_to_view_name(args.view)
p4gf_util.reset_git_enviro()
p4 = connect_p4()
if not p4:
return 2
LOG.debug("connected to P4 at %s", p4.port)
try:
with p4gf_lock.view_lock(p4, view_name) as view_lock:
# ensure we have a sane environment
p4gf_init.init(p4)
# now initialize the repository
print("Initializing {}...".format(view_name))
r = init_repo(p4, view_name)
if r > INIT_REPO_OK:
return r
print("Initialization complete.")
if args.start:
start = args.start.lstrip('@')
print("Copying changes from {}...".format(start))
copy_p2g_with_start(view_name, start, view_lock)
print("Copying completed.")
except P4.P4Exception as e:
sys.stderr.write("Error occurred: {}\n".format(e))
return 0
def main():
"""set up repo for a view"""
with ExceptionAuditLogger():
args = parse_args(sys.argv[1:])
if not args:
return 1
# Record the p4 user in environment. We use environment to pass to
# git-invoked hook. We don't have to set ctx.authenticated_p4user because
# Context.__init__() reads it from environment, which we set here.
os.environ[p4gf_const.P4GF_AUTH_P4USER_ENVAR] = args.user
# print "args={}".format(args)
view_name = args.options[-1]
p4gf_util.reset_git_enviro()
p4 = connect_p4()
if not p4:
return 2
LOG.debug("connected to P4: %s", p4)
_check_lock_perm(p4)
if not check_protects(p4):
_raise_p4gf_perm()
if run_special_command(view_name, p4, args.user):
return 0
# Go no further, create NOTHING, if user not authorized.
view_perm = p4gf_group.ViewPerm.for_user_and_view(
p4, args.user, view_name)
_check_authorization(view_perm, args.user, args.command[0], view_name)
# Create Git Fusion server depot, user, config. NOPs if already created.
p4gf_init.init(p4)
with p4gf_lock.view_lock(p4, view_name) as view_lock:
# Create Git Fusion per-repo client view mapping and config.
#
# NOPs if already created.
# Create the empty directory that will hold the git repo.
init_repo_status = p4gf_init_repo.init_repo(p4, view_name)
if init_repo_status == p4gf_init_repo.INIT_REPO_OK:
repo_created = True
elif init_repo_status == p4gf_init_repo.INIT_REPO_EXISTS:
repo_created = False
else:
return 1
# If authorization came from default, not explicit group
# membership, copy that authorization to a group now. Could
# not do this until after p4gf_init_repo() has a chance to
# create not-yet-existing groups.
view_perm.write_if(p4)
# Now that we have valid git-fusion-user and
# git-fusion-<view> client, replace our temporary P4
# connection with a more permanent Context, shared for the
# remainder of this process.
ctx = p4gf_context.create_context(view_name, view_lock)
del p4
LOG.debug("reconnected to P4, p4gf=%s", ctx.p4gf)
# Find directory paths to feed to git.
ctx.view_dirs = p4gf_view_dirs.from_p4gf_dir(
ctx.gitrootdir, view_name)
ctx.log_context()
# cd into the work directory. Not all git functions react well
# to --work-tree=xxxx.
cwd = os.getcwd()
os.chdir(ctx.view_dirs.GIT_WORK_TREE)
# Copy any recent changes from Perforce to Git.
try:
p4gf_copy_p2g.copy_p2g_ctx(ctx)
except:
# Dump failure to log, BEFORE cleanup, just in case
# cleanup ALSO fails and throws its own error (which
# happens if we're out of memory).
LOG.error(traceback.format_exc())
if repo_created:
# Return to the original working directory to allow the
# config code to call os.getcwd() without dying, since
# we are about to delete the current working directory.
os.chdir(cwd)
cleanup_client(ctx, view_name)
raise
# Detach git repo's workspace from master before calling
# original git, otherwise we won't be able to push master.
p4gf_util.checkout_detached_master()
# Flush stderr before returning control to Git.
# Otherwise Git's own output might interrupt ours.
sys.stderr.flush()
return _call_original_git(ctx, args)
def main(poll_only=False):
"""set up repo for a view
view_name_git is the untranslated repo name
view_name is the translated repo name
"""
p4gf_proc.install_stack_dumper()
_log_environ(os.environ)
with p4gf_server_common.ExceptionAuditLogger()\
, p4gf_create_p4.Closer():
LOG.debug(p4gf_log.memory_usage())
start_time = time.time()
args = parse_args(sys.argv[1:])
if not args:
return 1
is_push = 'upload' not in args.command[0]
# Record the p4 user in environment. We use environment to pass to
# git-invoked hook. We don't have to set ctx.authenticated_p4user because
# Context.__init__() reads it from environment, which we set here.
os.environ[p4gf_const.P4GF_AUTH_P4USER] = args.user
# view_name_git is the untranslated repo name
# view_name is the translated repo name
# print "args={}".format(args)
view_name_git = args.options[-1]
# translate '/' ':' ' ' .. etc .. for internal view_name
view_name = p4gf_translate.TranslateReponame.git_to_repo(view_name_git)
LOG.debug("public view_name: {0} internal view_name: {1}".
format(view_name_git, view_name))
p4gf_util.reset_git_enviro()
p4 = p4gf_create_p4.create_p4()
if not p4:
return 2
LOG.debug("connected to P4: %s", p4)
p4gf_server_common.check_readiness(p4)
p4gf_server_common.check_lock_perm(p4)
if not p4gf_server_common.check_protects(p4):
p4gf_server_common.raise_p4gf_perm()
if p4gf_server_common.run_special_command(view_name, p4, args.user):
return 0
# Initialize the external process launcher early, before allocating lots
# of memory, and just after all other conditions have been checked.
p4gf_proc.init()
# Prepare for possible spawn of GitMirror worker process by forking
# now before allocating lots of memory.
p4gf_gitmirror.setup_spawn(view_name)
# Kick off garbage collection debugging, if enabled.
p4gf_gc.init_gc()
if poll_only:
view_perm = None
else:
# Go no further, create NOTHING, if user not authorized.
# We use the translated internal view name here for perm authorization
required_perm = p4gf_server_common.COMMAND_TO_PERM[args.command[0]]
view_perm = p4gf_group.ViewPerm.for_user_and_view(p4, args.user,
view_name, required_perm)
p4gf_server_common.check_authorization(p4, view_perm, args.user, args.command[0],
view_name)
# Create Git Fusion server depot, user, config. NOPs if already created.
p4gf_init.init(p4)
write_motd()
# view_name is the internal view_name (identical when notExist special chars)
before_lock_time = time.time()
with p4gf_lock.view_lock(p4, view_name) as view_lock:
after_lock_time = time.time()
# Create Git Fusion per-repo client view mapping and config.
#
# NOPs if already created.
# Create the empty directory that will hold the git repo.
init_repo_status = p4gf_init_repo.init_repo(p4, view_name, view_lock)
if init_repo_status == p4gf_init_repo.INIT_REPO_OK:
repo_created = True
elif init_repo_status == p4gf_init_repo.INIT_REPO_EXISTS:
repo_created = False
else:
return 1
# If authorization came from default, not explicit group
# membership, copy that authorization to a group now. Could
# not do this until after p4gf_init_repo() has a chance to
# create not-yet-existing groups.
if view_perm:
view_perm.write_if(p4)
# Now that we have valid git-fusion-user and
# git-fusion-<view> client, replace our temporary P4
# connection with a more permanent Context, shared for the
# remainder of this process.
with p4gf_context.create_context(view_name, view_lock) as ctx:
LOG.debug("reconnected to P4, p4gf=%s", ctx.p4gf)
# Find directory paths to feed to git.
ctx.log_context()
# cd into the work directory. Not all git functions react well
# to --work-tree=xxxx.
cwd = os.getcwd()
os.chdir(ctx.view_dirs.GIT_WORK_TREE)
# Only copy from Perforce to Git if no other process is cloning
# from this Git repo right now.
shared_in_progress = p4gf_lock.shared_host_view_lock_exists(ctx.p4, view_name)
if not shared_in_progress:
# Copy any recent changes from Perforce to Git.
try:
LOG.debug("bare: No git-upload-pack in progress, force non-bare"
" before update Git from Perforce.")
p4gf_git.set_bare(False)
p4gf_copy_p2g.copy_p2g_ctx(ctx)
p4gf_init_repo.process_imports(ctx)
# Now is also an appropriate time to clear out any stale Git
# Swarm reviews. We're pre-pull, pre-push, time when we've
# got exclusive write access to the Git repo,
GSReviewCollection.delete_refs_for_closed_reviews(ctx)
except p4gf_lock.LockCanceled as lc:
LOG.warning(str(lc))
except:
# Dump failure to log, BEFORE cleanup, just in case
# cleanup ALSO fails and throws its own error (which
# happens if we're out of memory).
LOG.error(traceback.format_exc())
if repo_created:
# Return to the original working directory to allow the
# config code to call os.getcwd() without dying, since
# we are about to delete the current working directory.
os.chdir(cwd)
p4gf_server_common.cleanup_client(ctx, view_name)
raise
if poll_only:
code = os.EX_OK
else:
git_caller = functools.partial(_call_git, args, ctx)
try:
# Deep in call_git(), we grab an 'p4 reviews' lock on
# ctx.clientmap's LHS. Switch that clientmap to our
# full union view to prevent simultaneous 'git push'es
# from clobbering each other in some shared depot
# branch. Must include all lightweight branches, too.
ctx.switch_client_view_to_union()
exclusive = 'upload' not in args.command[0]
code = p4gf_call_git.call_git(
git_caller, ctx, view_name, view_lock, exclusive)
if is_push:
GSReviewCollection.post_push(ctx)
except p4gf_atomic_lock.LockConflict as lc:
sys.stderr.write("{}\n".format(lc))
code = os.EX_SOFTWARE
p4gf_gc.process_garbage(NTR('at end of auth_server'))
if LOG.isEnabledFor(logging.DEBUG):
end_time = time.time()
frm = NTR("Runtime: preparation {} ms, lock acquisition {} ms,"
" processing {} ms")
LOG.debug(frm.format(before_lock_time - start_time,
after_lock_time - before_lock_time,
end_time - after_lock_time))
return code
def _wsgi_app(environ, start_response):
"""
WSGI application to process the incoming Git client request. This is
nearly equivalent to p4gf_auth_server.main() with the exception of
input validation and error handling.
"""
p4gf_log.record_http(environ)
p4gf_version.log_version()
_log_environ(environ)
p4gf_version.version_check()
LOG.debug("processing HTTP request, pid={}".format(os.getpid()))
# Keep the content type to exactly 'text/plain' so there is at least
# the remote chance that Git might show our error messages (does not
# appear to work in practice, however).
headers = [('Content-Type', 'text/plain')]
encoding = sys.getfilesystemencoding()
if encoding == 'ascii':
# This encoding is wrong and will eventually lead to problems.
LOG.error("Using 'ascii' file encoding will ultimately result in errors, "
"please set LANG/LC_ALL to 'utf-8' in web server configuration.")
start_response(_('500 Internal Server Error'), headers)
return [b"Filesystem encoding not set to acceptable value.\n"]
# Sanity check the request.
for (name, status, msg) in _REQUIRED_HTTP_PARAMS:
if name not in environ:
start_response(status, headers)
return [msg.encode('UTF-8')]
input_name = environ['wsgi.input']
# Extract the view_name_git by removing the expected git request suffixes
path_info = environ['PATH_INFO']
git_suffixes = ['/info/refs', '/HEAD', '/git-upload-pack', '/git-receive-pack']
path_end = len(path_info)
for suffix in git_suffixes:
try:
path_end = path_info.index(suffix)
break
except ValueError:
pass
# slice away the leading slash and the trailing git request suffixes
view_name_git = path_info[1:path_end]
# and remove the view_name_git from the front of PATH_INFO
environ['PATH_INFO'] = path_info[path_end:]
LOG.debug("new PATH_INFO {0} view_name_git {1}".format(environ['PATH_INFO'], view_name_git))
if not view_name_git:
start_response(_('400 Bad Request'), headers)
msg = _('Missing required repository name in URL\n')
return [msg.encode('UTF-8')]
# translate '/' ':' ' ' .. etc .. for internal view_name
view_name = p4gf_translate.TranslateReponame.git_to_repo(view_name_git)
LOG.debug("public view_name: {0} internal view_name: {1}".format(view_name_git, view_name))
audit_logger = p4gf_server_common.ExceptionAuditLogger()
p4_closer = p4gf_create_p4.Closer()
sink = OutputSink()
temp_deleter = deleting(input_name)
mirror_closer = unmirror(view_name)
with audit_logger \
, p4_closer \
, sink \
, temp_deleter \
, mirror_closer:
LOG.debug(p4gf_log.memory_usage())
start_time = time.time()
p4gf_util.reset_git_enviro()
p4 = p4gf_create_p4.create_p4()
if not p4:
start_response(_('500 Internal Server Error'), headers)
return [b"Perforce connection failed\n"]
LOG.debug("connected to P4: %s", p4)
p4gf_server_common.check_readiness(p4)
p4gf_server_common.check_lock_perm(p4)
if not p4gf_server_common.check_protects(p4):
p4gf_server_common.raise_p4gf_perm()
user = environ['REMOTE_USER']
if p4gf_server_common.run_special_command(view_name, p4, user):
start_response(_('200 OK'), headers)
return [sink.readall()]
command = _get_command(environ)
if not command:
start_response(_('400 Bad Request'), headers)
return [b"Unrecognized service\n"]
# Other places in the Perforce-to-Git phase will need to know the
# name of client user, so set that here. As for Git-to-Perforce,
# that is handled later by setting the REMOTE_USER envar. Notice
# also that we're setting os.environ and not 'environ'.
os.environ[p4gf_const.P4GF_AUTH_P4USER] = user
# Likewise, some code needs a hint that the request is coming over
# one protocol (HTTP) or the other (SSH).
os.environ['REMOTE_ADDR'] = environ['REMOTE_ADDR']
# Initialize the external process launcher early, before allocating lots
# of memory, and just after all other conditions have been checked.
p4gf_proc.init()
# Prepare for possible spawn of GitMirror worker process by forking
# now before allocating lots of memory.
p4gf_gitmirror.setup_spawn(view_name)
# Kick off garbage collection debugging, if enabled.
p4gf_gc.init_gc()
# Go no further, create NOTHING, if user not authorized.
# We use the translated internal view name here for perm authorization
required_perm = p4gf_server_common.COMMAND_TO_PERM[command]
view_perm = p4gf_group.ViewPerm.for_user_and_view(p4, user, view_name, required_perm)
try:
p4gf_server_common.check_authorization(p4, view_perm, user, command, view_name)
except p4gf_server_common.CommandError as ce:
start_response(_('403 Forbidden'), headers)
return [str(ce).encode('UTF-8')]
# Create Git Fusion server depot, user, config. NOPs if already created.
p4gf_init.init(p4)
before_lock_time = time.time()
with p4gf_lock.view_lock(p4, view_name) as view_lock:
after_lock_time = time.time()
# Create Git Fusion per-repo client view mapping and config.
init_repo_status = p4gf_init_repo.init_repo(p4, view_name, view_lock)
if init_repo_status == p4gf_init_repo.INIT_REPO_OK:
repo_created = True
elif init_repo_status == p4gf_init_repo.INIT_REPO_EXISTS:
repo_created = False
elif init_repo_status == p4gf_init_repo.INIT_REPO_NOVIEW:
start_response(_('404 Not Found'), headers)
return [sink.readall()]
else:
start_response(_('500 Internal Server Error'), headers)
return [b"Repository initialization failed\n"]
# If authorization came from default, not explicit group
# membership, copy that authorization to a group now. Could
# not do this until after p4gf_init_repo() has a chance to
# create not-yet-existing groups.
if view_perm:
view_perm.write_if(p4)
# Now that we have valid git-fusion-user and
# git-fusion-<view> client, replace our temporary P4
# connection with a more permanent Context, shared for the
# remainder of this process.
with p4gf_context.create_context(view_name, view_lock) as ctx:
LOG.debug("reconnected to P4, p4gf=%s", ctx.p4gf)
ctx.log_context()
# cd into the work directory. Not all git functions react well
# to --work-tree=xxxx.
cwd = os.getcwd()
os.chdir(ctx.view_dirs.GIT_WORK_TREE)
# Only copy from Perforce to Git if no other process is cloning
# from this Git repo right now.
shared_in_progress = p4gf_lock.shared_host_view_lock_exists(ctx.p4, view_name)
if not shared_in_progress:
# Copy any recent changes from Perforce to Git.
try:
LOG.debug("bare: No git-upload-pack in progress, force non-bare"
" before update Git from Perforce.")
p4gf_git.set_bare(False)
p4gf_copy_p2g.copy_p2g_ctx(ctx)
p4gf_init_repo.process_imports(ctx)
# Now is also an appropriate time to clear out any stale Git
# Swarm reviews. We're pre-pull, pre-push, time when we've
# got exclusive write access to the Git repo,
GSReviewCollection.delete_refs_for_closed_reviews(ctx)
except p4gf_lock.LockCanceled as lc:
LOG.warning(str(lc))
except:
# Dump failure to log, BEFORE cleanup, just in case
# cleanup ALSO fails and throws its own error (which
# happens if we're out of memory).
LOG.error(traceback.format_exc())
if repo_created:
# Return to the original working directory to allow the
# config code to call os.getcwd() without dying, since
# we are about to delete the current working directory.
os.chdir(cwd)
p4gf_server_common.cleanup_client(ctx, view_name)
raise
try:
exclusive = 'upload' not in command
is_push = 'upload' not in command
git_caller = functools.partial(_call_git, input_name, environ, ctx)
p4gf_call_git.call_git(git_caller, ctx, view_name, view_lock, exclusive)
if is_push:
GSReviewCollection.post_push(ctx)
except p4gf_atomic_lock.LockConflict as lc:
start_response(_('500 Internal Server Error'), headers)
return ["{}".format(lc).encode('UTF-8')]
p4gf_gc.process_garbage('at end of auth_server')
if LOG.isEnabledFor(logging.DEBUG):
end_time = time.time()
frm = NTR('Runtime: preparation {} ms, lock acquisition {} ms, processing {} ms')
LOG.debug(frm.format(before_lock_time - start_time,
after_lock_time - before_lock_time,
end_time - after_lock_time))
return []
def main():
"""set up repo for a view"""
p4gf_util.has_server_id_or_exit()
args = _parse_argv()
p4gf_version.log_version()
log_l10n()
# !!! view_name_git the untranslated repo name
# !!! view_name the translated repo name
view_name_p4client = None
if args.p4client:
view_name_p4client = p4gf_util.argv_to_view_name(args.p4client)
view_name_git = p4gf_util.argv_to_view_name(args.view)
#strip leading '/' to conform with p4gf_auth_server behavior
if view_name_git[0] == '/':
view_name_git = view_name_git[1:]
view_name = p4gf_translate.TranslateReponame.git_to_repo(view_name_git)
p4gf_gitmirror.setup_spawn(view_name)
p4gf_util.reset_git_enviro()
p4 = p4gf_create_p4.create_p4()
if not p4:
return INIT_REPO_NOVIEW
LOG.debug("connected to P4 at %s", p4.port)
p4gf_proc.init()
try:
with p4gf_create_p4.Closer():
p4gf_version.version_check()
with p4gf_lock.view_lock(p4, view_name) as view_lock:
# Ensure we have a sane environment.
p4gf_init.init(p4)
# Now that we can trust that the git-fusion--p4 client exists,
# switch to that. Change takes effect immediately, don't need to
# re-run p4.connect().
p4.client = p4gf_util.get_object_client_name()
# If local config file specified, validate it and store in
# Perforce now. Even if client exists (aka repo was already
# inited), this is one way for an admin to modify an existing
# repo's config.
if args.config:
if not os.path.exists(args.config):
_print_stderr(_("error: missing config file '{}'").format(args.config))
return INIT_REPO_CONFIG_FILE_MISSING
with Validator.from_local_file(view_name, p4, args.config) as validator:
if not validator.is_valid(args.enablemismatchedrhs):
return INIT_REPO_CONFIG_FILE_BAD
p4gf_config.create_file_repo_with_contents(p4, view_name, args.config)
elif args.charset and not Validator.valid_charset(args.charset):
_print_stderr(_("error: invalid charset: {}").format(args.charset))
return INIT_REPO_BAD_CHARSET
# Initialize the repository if necessary.
print(_("Initializing '{}'...").format(view_name))
r = init_repo(p4, view_name, view_lock, args.charset, args.enablemismatchedrhs,
view_name_p4client)
if r > INIT_REPO_OK:
return r
print(_("Initialization complete."))
# Write --enablemismatchedrhs to config file
if args.enablemismatchedrhs:
config = p4gf_config.read_repo(p4, view_name)
config[p4gf_config.SECTION_REPO]\
[p4gf_config.KEY_ENABLE_MISMATCHED_RHS] = str(True)
p4gf_config.write_repo_if(p4, p4.fetch_client(), view_name, config)
# Populate the repo from Perforce unless --noclone.
if not args.noclone:
return populate_repo(view_name, view_lock, args.start)
except P4.P4Exception as e:
_print_stderr(_('Error occurred: {}').format(e))
return INIT_REPO_EXISTS
def import_submodules(ctx, view, change_view, import_paths):
"""For stream clients, create a submodule for each import.
Arguments:
ctx -- parent repo context.
view -- the parent stream's 'View'.
change_view -- the parent stream's 'ChangeView'.
import_paths -- result from p4gf_streams.match_import_paths() on the
virtual stream's paths and the parent stream's paths.
"""
usermap = p4gf_usermap.UserMap(ctx.p4gf)
user_3tuple = usermap.lookup_by_p4user(p4gf_const.P4GF_USER)
if not user_3tuple:
LOG.error('Missing Perforce user {}'.format(p4gf_const.P4GF_USER))
return
client_name = ctx.config.p4client
LOG.debug('processing imports for {}'.format(client_name))
LOG.debug3('import_submodules() view={}, change_view={}, import_paths={}'.format(
view, change_view, import_paths))
change_views = p4gf_streams.stream_imports_with_changes(view, change_view, import_paths)
LOG.debug2('import_submodules() change_views={}'.format(change_views))
if not change_views and LOG.isEnabledFor(logging.DEBUG2):
LOG.debug2('import_submodules() view={} change_view={} import_paths={}'.format(
view, change_view, import_paths))
# initialize and populate the submodules
old_sha1 = ctx.view_repo.lookup_reference('HEAD').resolve().hex
for depot_path, change_num, local_path in change_views:
# avoid double-nesting by excluding the local path from the client path
client_path = "//{}/...".format(client_name)
LOG.debug('import_submodules() for {} => {}'.format(depot_path, client_path))
stream_name = depot_path[:-4]
if p4gf_util.spec_exists(ctx.p4, 'stream', stream_name):
# convert stream name to repo name by pruning leading slashes
repo_name = p4gf_streams.repo_name_from_depot_path(stream_name)
config = None
LOG.debug('initializing stream import for {}'.format(depot_path))
else:
# create a repo configuration file for this 1-line view
repo_name = p4gf_streams.repo_name_from_depot_path(depot_path)
client_less_path = CLIENT_LESS_REGEX.match(client_path).group(1)
if client_path and client_path[0] == '"':
client_less_path = '"' + client_less_path
repo_view = depot_path + " " + client_less_path
LOG.debug('creating config for {}'.format(repo_name))
config = p4gf_config.default_config_repo_for_view_plain(ctx.p4, repo_name, repo_view)
# prepare to initialize the repository
p4 = p4gf_create_p4.create_p4()
if not p4:
LOG.error('unable to create P4 instance for {}'.format(repo_name))
return
with p4gf_lock.view_lock(p4, repo_name) as view_lock:
if config:
p4gf_config.create_file_repo_from_config(ctx, repo_name, config)
LOG.debug('initializing repo for {}'.format(repo_name))
result = init_repo(p4, repo_name, view_lock, handle_imports=False)
if result > INIT_REPO_OK:
return result
with p4gf_context.create_context(repo_name, view_lock) as subtxt:
# set up gitmirror for child repos
p4gf_gitmirror.setup_spawn(repo_name)
# populate the submodule
shared_in_progress = p4gf_lock.shared_host_view_lock_exists(subtxt.p4, repo_name)
if not shared_in_progress:
copy_submodule(ctx, repo_name, subtxt, local_path, change_num, user_3tuple)
p4gf_create_p4.p4_disconnect(p4)
# Remove any submodules controlled by Git Fusion that no longer match
# any of the current import paths.
deport_submodules(ctx, import_paths, user_3tuple)
#
# Ensure the Git commits we just created are copied back to Perforce by
# faking a 'push' from the client. Roll the HEAD reference ('master')
# back to the old SHA1, assign the commits to Perforce branches, then
# move the reference back to the latest commit and copy everything to
# the depot as usual.
#
new_head = ctx.view_repo.lookup_reference('HEAD').resolve()
ctx.view_repo.git_reference_create(new_head.name, old_sha1, True)
prt = p4gf_branch_id.PreReceiveTuple(old_sha1, new_head.hex, new_head.name)
LOG.debug('Copying modules to depot: {}'.format(prt))
assigner = p4gf_branch_id.Assigner(ctx.branch_dict(), [prt], ctx)
assigner.assign()
ctx.view_repo.git_reference_create(new_head.name, new_head.hex, True)
err = p4gf_copy_to_p4.copy_git_changes_to_p4(ctx, prt, assigner, None)
if err:
LOG.error(err)
def main():
"""
Process command line arguments and call functions to do the real
work of cleaning up the Git mirror and Perforce workspaces.
"""
log_l10n()
p4gf_util.has_server_id_or_exit()
# pylint:disable=C0301
# Line too long? Too bad. Keep tabular code tabular.
# Set up argument parsing.
parser = p4gf_util.create_arg_parser(
_('Deletes Git Fusion repositories and workspaces.'))
parser.add_argument('-a',
'--all',
action='store_true',
help=_('remove all known Git mirrors'))
parser.add_argument('-y',
'--delete',
action='store_true',
help=_('perform the deletion'))
parser.add_argument('-v',
'--verbose',
action='store_true',
help=_('print details of deletion process'))
parser.add_argument(
'-N',
'--no-obliterate',
action='store_true',
help=_('with the --all option, do not obliterate object cache'))
parser.add_argument(NTR('views'),
metavar=NTR('view'),
nargs='*',
help=_('name of view to be deleted'))
args = parser.parse_args()
# pylint:enable=C0301
# Check that either --all, or 'views' was specified.
if not args.all and len(args.views) == 0:
sys.stderr.write(_('Missing view names; try adding --all option.\n'))
sys.exit(2)
# Check that --no-obliterate occurs only with --all
if not args.all and args.no_obliterate:
sys.stderr.write(
_('--no-obliterate permitted only with the --all option.\n'))
sys.exit(2)
with p4gf_create_p4.Closer():
p4 = p4gf_create_p4.create_p4(
client=p4gf_util.get_object_client_name())
if not p4:
return 2
# Sanity check the connection (e.g. user logged in?) before proceeding.
try:
p4.fetch_client()
except P4.P4Exception as e:
sys.stderr.write(_('P4 exception occurred: {}').format(e))
sys.exit(1)
metrics = DeletionMetrics()
if args.all:
try:
delete_all(args, p4, metrics)
except P4.P4Exception as e:
sys.stderr.write("{}\n".format(e))
sys.exit(1)
else:
# Delete the client(s) for the named view(s).
for git_view in args.views:
view_name = p4gf_translate.TranslateReponame.git_to_repo(
git_view)
client_name = p4gf_util.view_to_client_name(view_name)
try:
with p4gf_lock.view_lock(p4, view_name, -1):
delete_client(args, p4, client_name, metrics)
except P4.P4Exception as e:
sys.stderr.write("{}\n".format(e))
if not args.delete:
print(_('This was report mode. Use -y to make changes.'))
else:
print(
_('Deleted {:d} files, {:d} groups, {:d} clients, and {:d} counters.'
).format(metrics.files, metrics.groups, metrics.clients,
metrics.counters))
if args.all:
print(_('Successfully deleted all repos\n'))
else:
print(
_('Successfully deleted repos:\n{}').format("\n".join(
args.views)))
def main():
"""
Process command line arguments and call functions to do the real
work of cleaning up the Git mirror and Perforce workspaces.
"""
log_l10n()
p4gf_util.has_server_id_or_exit()
# pylint:disable=C0301
# Line too long? Too bad. Keep tabular code tabular.
# Set up argument parsing.
parser = p4gf_util.create_arg_parser(
_('Deletes Git Fusion repositories and workspaces.'))
parser.add_argument('-a', '--all', action='store_true', help=_('remove all known Git mirrors'))
parser.add_argument('-y', '--delete', action='store_true', help=_('perform the deletion'))
parser.add_argument('-v', '--verbose', action='store_true', help=_('print details of deletion process'))
parser.add_argument('-N', '--no-obliterate', action='store_true', help=_('with the --all option, do not obliterate object cache'))
parser.add_argument(NTR('views'), metavar=NTR('view'), nargs='*', help=_('name of view to be deleted'))
args = parser.parse_args()
# pylint:enable=C0301
# Check that either --all, or 'views' was specified.
if not args.all and len(args.views) == 0:
sys.stderr.write(_('Missing view names; try adding --all option.\n'))
sys.exit(2)
# Check that --no-obliterate occurs only with --all
if not args.all and args.no_obliterate:
sys.stderr.write(_('--no-obliterate permitted only with the --all option.\n'))
sys.exit(2)
with p4gf_create_p4.Closer():
p4 = p4gf_create_p4.create_p4(client=p4gf_util.get_object_client_name())
if not p4:
return 2
# Sanity check the connection (e.g. user logged in?) before proceeding.
try:
p4.fetch_client()
except P4.P4Exception as e:
sys.stderr.write(_('P4 exception occurred: {}').format(e))
sys.exit(1)
metrics = DeletionMetrics()
if args.all:
try:
delete_all(args, p4, metrics)
except P4.P4Exception as e:
sys.stderr.write("{}\n".format(e))
sys.exit(1)
else:
# Delete the client(s) for the named view(s).
for git_view in args.views:
view_name = p4gf_translate.TranslateReponame.git_to_repo(git_view)
client_name = p4gf_util.view_to_client_name(view_name)
try:
with p4gf_lock.view_lock(p4, view_name, -1):
delete_client(args, p4, client_name, metrics)
except P4.P4Exception as e:
sys.stderr.write("{}\n".format(e))
if not args.delete:
print(_('This was report mode. Use -y to make changes.'))
else:
print(_('Deleted {:d} files, {:d} groups, {:d} clients, and {:d} counters.').format(
metrics.files, metrics.groups, metrics.clients, metrics.counters))
if args.all:
print(_('Successfully deleted all repos\n'))
else:
print(_('Successfully deleted repos:\n{}').format("\n".join(args.views)))
def main(poll_only=False):
"""set up repo for a view
view_name_git is the untranslated repo name
view_name is the translated repo name
"""
p4gf_proc.install_stack_dumper()
_log_environ(os.environ)
with p4gf_server_common.ExceptionAuditLogger()\
, p4gf_create_p4.Closer():
LOG.debug(p4gf_log.memory_usage())
start_time = time.time()
args = parse_args(sys.argv[1:])
if not args:
return 1
is_push = 'upload' not in args.command[0]
# Record the p4 user in environment. We use environment to pass to
# git-invoked hook. We don't have to set ctx.authenticated_p4user because
# Context.__init__() reads it from environment, which we set here.
os.environ[p4gf_const.P4GF_AUTH_P4USER] = args.user
# view_name_git is the untranslated repo name
# view_name is the translated repo name
# print "args={}".format(args)
view_name_git = args.options[-1]
# translate '/' ':' ' ' .. etc .. for internal view_name
view_name = p4gf_translate.TranslateReponame.git_to_repo(view_name_git)
LOG.debug("public view_name: {0} internal view_name: {1}".format(
view_name_git, view_name))
p4gf_util.reset_git_enviro()
p4 = p4gf_create_p4.create_p4()
if not p4:
return 2
LOG.debug("connected to P4: %s", p4)
p4gf_server_common.check_readiness(p4)
p4gf_server_common.check_lock_perm(p4)
if not p4gf_server_common.check_protects(p4):
p4gf_server_common.raise_p4gf_perm()
if p4gf_server_common.run_special_command(view_name, p4, args.user):
return 0
# Initialize the external process launcher early, before allocating lots
# of memory, and just after all other conditions have been checked.
p4gf_proc.init()
# Prepare for possible spawn of GitMirror worker process by forking
# now before allocating lots of memory.
p4gf_gitmirror.setup_spawn(view_name)
# Kick off garbage collection debugging, if enabled.
p4gf_gc.init_gc()
if poll_only:
view_perm = None
else:
# Go no further, create NOTHING, if user not authorized.
# We use the translated internal view name here for perm authorization
required_perm = p4gf_server_common.COMMAND_TO_PERM[args.command[0]]
view_perm = p4gf_group.ViewPerm.for_user_and_view(
p4, args.user, view_name, required_perm)
p4gf_server_common.check_authorization(p4, view_perm, args.user,
args.command[0], view_name)
# Create Git Fusion server depot, user, config. NOPs if already created.
p4gf_init.init(p4)
write_motd()
# view_name is the internal view_name (identical when notExist special chars)
before_lock_time = time.time()
with p4gf_lock.view_lock(p4, view_name) as view_lock:
after_lock_time = time.time()
# Create Git Fusion per-repo client view mapping and config.
#
# NOPs if already created.
# Create the empty directory that will hold the git repo.
init_repo_status = p4gf_init_repo.init_repo(
p4, view_name, view_lock)
if init_repo_status == p4gf_init_repo.INIT_REPO_OK:
repo_created = True
elif init_repo_status == p4gf_init_repo.INIT_REPO_EXISTS:
repo_created = False
else:
return 1
# If authorization came from default, not explicit group
# membership, copy that authorization to a group now. Could
# not do this until after p4gf_init_repo() has a chance to
# create not-yet-existing groups.
if view_perm:
view_perm.write_if(p4)
# Now that we have valid git-fusion-user and
# git-fusion-<view> client, replace our temporary P4
# connection with a more permanent Context, shared for the
# remainder of this process.
with p4gf_context.create_context(view_name, view_lock) as ctx:
LOG.debug("reconnected to P4, p4gf=%s", ctx.p4gf)
# Find directory paths to feed to git.
ctx.log_context()
# cd into the work directory. Not all git functions react well
# to --work-tree=xxxx.
cwd = os.getcwd()
os.chdir(ctx.view_dirs.GIT_WORK_TREE)
# Only copy from Perforce to Git if no other process is cloning
# from this Git repo right now.
shared_in_progress = p4gf_lock.shared_host_view_lock_exists(
ctx.p4, view_name)
if not shared_in_progress:
# Copy any recent changes from Perforce to Git.
try:
LOG.debug(
"bare: No git-upload-pack in progress, force non-bare"
" before update Git from Perforce.")
p4gf_git.set_bare(False)
p4gf_copy_p2g.copy_p2g_ctx(ctx)
p4gf_init_repo.process_imports(ctx)
# Now is also an appropriate time to clear out any stale Git
# Swarm reviews. We're pre-pull, pre-push, time when we've
# got exclusive write access to the Git repo,
GSReviewCollection.delete_refs_for_closed_reviews(ctx)
except p4gf_lock.LockCanceled as lc:
LOG.warning(str(lc))
except:
# Dump failure to log, BEFORE cleanup, just in case
# cleanup ALSO fails and throws its own error (which
# happens if we're out of memory).
LOG.error(traceback.format_exc())
if repo_created:
# Return to the original working directory to allow the
# config code to call os.getcwd() without dying, since
# we are about to delete the current working directory.
os.chdir(cwd)
p4gf_server_common.cleanup_client(ctx, view_name)
raise
if poll_only:
code = os.EX_OK
else:
git_caller = functools.partial(_call_git, args, ctx)
try:
# Deep in call_git(), we grab an 'p4 reviews' lock on
# ctx.clientmap's LHS. Switch that clientmap to our
# full union view to prevent simultaneous 'git push'es
# from clobbering each other in some shared depot
# branch. Must include all lightweight branches, too.
ctx.switch_client_view_to_union()
exclusive = 'upload' not in args.command[0]
code = p4gf_call_git.call_git(git_caller, ctx,
view_name, view_lock,
exclusive)
if is_push:
GSReviewCollection.post_push(ctx)
except p4gf_atomic_lock.LockConflict as lc:
sys.stderr.write("{}\n".format(lc))
code = os.EX_SOFTWARE
p4gf_gc.process_garbage(NTR('at end of auth_server'))
if LOG.isEnabledFor(logging.DEBUG):
end_time = time.time()
frm = NTR("Runtime: preparation {} ms, lock acquisition {} ms,"
" processing {} ms")
LOG.debug(
frm.format(before_lock_time - start_time,
after_lock_time - before_lock_time,
end_time - after_lock_time))
return code
def main():
"""set up repo for a view"""
p4gf_util.has_server_id_or_exit()
args = _parse_argv()
p4gf_version.log_version()
log_l10n()
# !!! view_name_git the untranslated repo name
# !!! view_name the translated repo name
view_name_p4client = None
if args.p4client:
view_name_p4client = p4gf_util.argv_to_view_name(args.p4client)
view_name_git = p4gf_util.argv_to_view_name(args.view)
#strip leading '/' to conform with p4gf_auth_server behavior
if view_name_git[0] == '/':
view_name_git = view_name_git[1:]
view_name = p4gf_translate.TranslateReponame.git_to_repo(view_name_git)
p4gf_gitmirror.setup_spawn(view_name)
p4gf_util.reset_git_enviro()
p4 = p4gf_create_p4.create_p4()
if not p4:
return INIT_REPO_NOVIEW
LOG.debug("connected to P4 at %s", p4.port)
p4gf_proc.init()
try:
with p4gf_create_p4.Closer():
p4gf_version.version_check()
with p4gf_lock.view_lock(p4, view_name) as view_lock:
# Ensure we have a sane environment.
p4gf_init.init(p4)
# Now that we can trust that the git-fusion--p4 client exists,
# switch to that. Change takes effect immediately, don't need to
# re-run p4.connect().
p4.client = p4gf_util.get_object_client_name()
# If local config file specified, validate it and store in
# Perforce now. Even if client exists (aka repo was already
# inited), this is one way for an admin to modify an existing
# repo's config.
if args.config:
if not os.path.exists(args.config):
_print_stderr(
_("error: missing config file '{}'").format(
args.config))
return INIT_REPO_CONFIG_FILE_MISSING
with Validator.from_local_file(view_name, p4,
args.config) as validator:
if not validator.is_valid(args.enablemismatchedrhs):
return INIT_REPO_CONFIG_FILE_BAD
p4gf_config.create_file_repo_with_contents(
p4, view_name, args.config)
elif args.charset and not Validator.valid_charset(
args.charset):
_print_stderr(
_("error: invalid charset: {}").format(args.charset))
return INIT_REPO_BAD_CHARSET
# Initialize the repository if necessary.
print(_("Initializing '{}'...").format(view_name))
r = init_repo(p4, view_name, view_lock, args.charset,
args.enablemismatchedrhs, view_name_p4client)
if r > INIT_REPO_OK:
return r
print(_("Initialization complete."))
# Write --enablemismatchedrhs to config file
if args.enablemismatchedrhs:
config = p4gf_config.read_repo(p4, view_name)
config[p4gf_config.SECTION_REPO]\
[p4gf_config.KEY_ENABLE_MISMATCHED_RHS] = str(True)
p4gf_config.write_repo_if(p4, p4.fetch_client(), view_name,
config)
# Populate the repo from Perforce unless --noclone.
if not args.noclone:
return populate_repo(view_name, view_lock, args.start)
except P4.P4Exception as e:
_print_stderr(_('Error occurred: {}').format(e))
return INIT_REPO_EXISTS
def import_submodules(ctx, view, change_view, import_paths):
"""For stream clients, create a submodule for each import.
Arguments:
ctx -- parent repo context.
view -- the parent stream's 'View'.
change_view -- the parent stream's 'ChangeView'.
import_paths -- result from p4gf_streams.match_import_paths() on the
virtual stream's paths and the parent stream's paths.
"""
usermap = p4gf_usermap.UserMap(ctx.p4gf)
user_3tuple = usermap.lookup_by_p4user(p4gf_const.P4GF_USER)
if not user_3tuple:
LOG.error('Missing Perforce user {}'.format(p4gf_const.P4GF_USER))
return
client_name = ctx.config.p4client
LOG.debug('processing imports for {}'.format(client_name))
LOG.debug3(
'import_submodules() view={}, change_view={}, import_paths={}'.format(
view, change_view, import_paths))
change_views = p4gf_streams.stream_imports_with_changes(
view, change_view, import_paths)
LOG.debug2('import_submodules() change_views={}'.format(change_views))
if not change_views and LOG.isEnabledFor(logging.DEBUG2):
LOG.debug2(
'import_submodules() view={} change_view={} import_paths={}'.
format(view, change_view, import_paths))
# initialize and populate the submodules
old_sha1 = ctx.view_repo.lookup_reference('HEAD').resolve().hex
for depot_path, change_num, local_path in change_views:
# avoid double-nesting by excluding the local path from the client path
client_path = "//{}/...".format(client_name)
LOG.debug('import_submodules() for {} => {}'.format(
depot_path, client_path))
stream_name = depot_path[:-4]
if p4gf_util.spec_exists(ctx.p4, 'stream', stream_name):
# convert stream name to repo name by pruning leading slashes
repo_name = p4gf_streams.repo_name_from_depot_path(stream_name)
config = None
LOG.debug('initializing stream import for {}'.format(depot_path))
else:
# create a repo configuration file for this 1-line view
repo_name = p4gf_streams.repo_name_from_depot_path(depot_path)
client_less_path = CLIENT_LESS_REGEX.match(client_path).group(1)
if client_path and client_path[0] == '"':
client_less_path = '"' + client_less_path
repo_view = depot_path + " " + client_less_path
LOG.debug('creating config for {}'.format(repo_name))
config = p4gf_config.default_config_repo_for_view_plain(
ctx.p4, repo_name, repo_view)
# prepare to initialize the repository
p4 = p4gf_create_p4.create_p4()
if not p4:
LOG.error('unable to create P4 instance for {}'.format(repo_name))
return
with p4gf_lock.view_lock(p4, repo_name) as view_lock:
if config:
p4gf_config.create_file_repo_from_config(
ctx, repo_name, config)
LOG.debug('initializing repo for {}'.format(repo_name))
result = init_repo(p4, repo_name, view_lock, handle_imports=False)
if result > INIT_REPO_OK:
return result
with p4gf_context.create_context(repo_name, view_lock) as subtxt:
# set up gitmirror for child repos
p4gf_gitmirror.setup_spawn(repo_name)
# populate the submodule
shared_in_progress = p4gf_lock.shared_host_view_lock_exists(
subtxt.p4, repo_name)
if not shared_in_progress:
copy_submodule(ctx, repo_name, subtxt, local_path,
change_num, user_3tuple)
p4gf_create_p4.p4_disconnect(p4)
# Remove any submodules controlled by Git Fusion that no longer match
# any of the current import paths.
deport_submodules(ctx, import_paths, user_3tuple)
#
# Ensure the Git commits we just created are copied back to Perforce by
# faking a 'push' from the client. Roll the HEAD reference ('master')
# back to the old SHA1, assign the commits to Perforce branches, then
# move the reference back to the latest commit and copy everything to
# the depot as usual.
#
new_head = ctx.view_repo.lookup_reference('HEAD').resolve()
ctx.view_repo.git_reference_create(new_head.name, old_sha1, True)
prt = p4gf_branch_id.PreReceiveTuple(old_sha1, new_head.hex, new_head.name)
LOG.debug('Copying modules to depot: {}'.format(prt))
assigner = p4gf_branch_id.Assigner(ctx.branch_dict(), [prt], ctx)
assigner.assign()
ctx.view_repo.git_reference_create(new_head.name, new_head.hex, True)
err = p4gf_copy_to_p4.copy_git_changes_to_p4(ctx, prt, assigner, None)
if err:
LOG.error(err)
def main():
"""set up repo for a view"""
with ExceptionAuditLogger():
args = parse_args(sys.argv[1:])
if not args:
return 1
# Record the p4 user in environment. We use environment to pass to
# git-invoked hook. We don't have to set ctx.authenticated_p4user because
# Context.__init__() reads it from environment, which we set here.
os.environ[p4gf_const.P4GF_AUTH_P4USER_ENVAR] = args.user
# print "args={}".format(args)
view_name = args.options[-1]
p4gf_util.reset_git_enviro()
p4 = connect_p4()
if not p4:
return 2
LOG.debug("connected to P4: %s", p4)
_check_lock_perm(p4)
if not check_protects(p4):
_raise_p4gf_perm()
if run_special_command(view_name, p4, args.user):
return 0
# Go no further, create NOTHING, if user not authorized.
view_perm = p4gf_group.ViewPerm.for_user_and_view(p4, args.user, view_name)
_check_authorization(view_perm, args.user, args.command[0], view_name)
# Create Git Fusion server depot, user, config. NOPs if already created.
p4gf_init.init(p4)
with p4gf_lock.view_lock(p4, view_name) as view_lock:
# Create Git Fusion per-repo client view mapping and config.
#
# NOPs if already created.
# Create the empty directory that will hold the git repo.
init_repo_status = p4gf_init_repo.init_repo(p4, view_name)
if init_repo_status == p4gf_init_repo.INIT_REPO_OK:
repo_created = True
elif init_repo_status == p4gf_init_repo.INIT_REPO_EXISTS:
repo_created = False
else:
return 1
# If authorization came from default, not explicit group
# membership, copy that authorization to a group now. Could
# not do this until after p4gf_init_repo() has a chance to
# create not-yet-existing groups.
view_perm.write_if(p4)
# Now that we have valid git-fusion-user and
# git-fusion-<view> client, replace our temporary P4
# connection with a more permanent Context, shared for the
# remainder of this process.
ctx = p4gf_context.create_context(view_name, view_lock)
del p4
LOG.debug("reconnected to P4, p4gf=%s", ctx.p4gf)
# Find directory paths to feed to git.
ctx.view_dirs = p4gf_view_dirs.from_p4gf_dir(ctx.gitrootdir, view_name)
ctx.log_context()
# cd into the work directory. Not all git functions react well
# to --work-tree=xxxx.
cwd = os.getcwd()
os.chdir(ctx.view_dirs.GIT_WORK_TREE)
# Copy any recent changes from Perforce to Git.
try:
p4gf_copy_p2g.copy_p2g_ctx(ctx)
except:
# Dump failure to log, BEFORE cleanup, just in case
# cleanup ALSO fails and throws its own error (which
# happens if we're out of memory).
LOG.error(traceback.format_exc())
if repo_created:
# Return to the original working directory to allow the
# config code to call os.getcwd() without dying, since
# we are about to delete the current working directory.
os.chdir(cwd)
cleanup_client(ctx, view_name)
raise
# Detach git repo's workspace from master before calling
# original git, otherwise we won't be able to push master.
p4gf_util.checkout_detached_master()
# Flush stderr before returning control to Git.
# Otherwise Git's own output might interrupt ours.
sys.stderr.flush()
return _call_original_git(ctx, args)
def _wsgi_app(environ, start_response):
"""
WSGI application to process the incoming Git client request. This is
nearly equivalent to p4gf_auth_server.main() with the exception of
input validation and error handling.
"""
p4gf_log.record_http(environ)
p4gf_version.log_version()
_log_environ(environ)
p4gf_version.version_check()
LOG.debug("processing HTTP request, pid={}".format(os.getpid()))
# Keep the content type to exactly 'text/plain' so there is at least
# the remote chance that Git might show our error messages (does not
# appear to work in practice, however).
headers = [('Content-Type', 'text/plain')]
encoding = sys.getfilesystemencoding()
if encoding == 'ascii':
# This encoding is wrong and will eventually lead to problems.
LOG.error(
"Using 'ascii' file encoding will ultimately result in errors, "
"please set LANG/LC_ALL to 'utf-8' in web server configuration.")
start_response(_('500 Internal Server Error'), headers)
return [b"Filesystem encoding not set to acceptable value.\n"]
# Sanity check the request.
for (name, status, msg) in _REQUIRED_HTTP_PARAMS:
if name not in environ:
start_response(status, headers)
return [msg.encode('UTF-8')]
input_name = environ['wsgi.input']
# Extract the view_name_git by removing the expected git request suffixes
path_info = environ['PATH_INFO']
git_suffixes = [
'/info/refs', '/HEAD', '/git-upload-pack', '/git-receive-pack'
]
path_end = len(path_info)
for suffix in git_suffixes:
try:
path_end = path_info.index(suffix)
break
except ValueError:
pass
# slice away the leading slash and the trailing git request suffixes
view_name_git = path_info[1:path_end]
# and remove the view_name_git from the front of PATH_INFO
environ['PATH_INFO'] = path_info[path_end:]
LOG.debug("new PATH_INFO {0} view_name_git {1}".format(
environ['PATH_INFO'], view_name_git))
if not view_name_git:
start_response(_('400 Bad Request'), headers)
msg = _('Missing required repository name in URL\n')
return [msg.encode('UTF-8')]
# translate '/' ':' ' ' .. etc .. for internal view_name
view_name = p4gf_translate.TranslateReponame.git_to_repo(view_name_git)
LOG.debug("public view_name: {0} internal view_name: {1}".format(
view_name_git, view_name))
audit_logger = p4gf_server_common.ExceptionAuditLogger()
p4_closer = p4gf_create_p4.Closer()
sink = OutputSink()
temp_deleter = deleting(input_name)
mirror_closer = unmirror(view_name)
with audit_logger \
, p4_closer \
, sink \
, temp_deleter \
, mirror_closer:
LOG.debug(p4gf_log.memory_usage())
start_time = time.time()
p4gf_util.reset_git_enviro()
p4 = p4gf_create_p4.create_p4()
if not p4:
start_response(_('500 Internal Server Error'), headers)
return [b"Perforce connection failed\n"]
LOG.debug("connected to P4: %s", p4)
p4gf_server_common.check_readiness(p4)
p4gf_server_common.check_lock_perm(p4)
if not p4gf_server_common.check_protects(p4):
p4gf_server_common.raise_p4gf_perm()
user = environ['REMOTE_USER']
if p4gf_server_common.run_special_command(view_name, p4, user):
start_response(_('200 OK'), headers)
return [sink.readall()]
command = _get_command(environ)
if not command:
start_response(_('400 Bad Request'), headers)
return [b"Unrecognized service\n"]
# Other places in the Perforce-to-Git phase will need to know the
# name of client user, so set that here. As for Git-to-Perforce,
# that is handled later by setting the REMOTE_USER envar. Notice
# also that we're setting os.environ and not 'environ'.
os.environ[p4gf_const.P4GF_AUTH_P4USER] = user
# Likewise, some code needs a hint that the request is coming over
# one protocol (HTTP) or the other (SSH).
os.environ['REMOTE_ADDR'] = environ['REMOTE_ADDR']
# Initialize the external process launcher early, before allocating lots
# of memory, and just after all other conditions have been checked.
p4gf_proc.init()
# Prepare for possible spawn of GitMirror worker process by forking
# now before allocating lots of memory.
p4gf_gitmirror.setup_spawn(view_name)
# Kick off garbage collection debugging, if enabled.
p4gf_gc.init_gc()
# Go no further, create NOTHING, if user not authorized.
# We use the translated internal view name here for perm authorization
required_perm = p4gf_server_common.COMMAND_TO_PERM[command]
view_perm = p4gf_group.ViewPerm.for_user_and_view(
p4, user, view_name, required_perm)
try:
p4gf_server_common.check_authorization(p4, view_perm, user,
command, view_name)
except p4gf_server_common.CommandError as ce:
start_response(_('403 Forbidden'), headers)
return [str(ce).encode('UTF-8')]
# Create Git Fusion server depot, user, config. NOPs if already created.
p4gf_init.init(p4)
before_lock_time = time.time()
with p4gf_lock.view_lock(p4, view_name) as view_lock:
after_lock_time = time.time()
# Create Git Fusion per-repo client view mapping and config.
init_repo_status = p4gf_init_repo.init_repo(
p4, view_name, view_lock)
if init_repo_status == p4gf_init_repo.INIT_REPO_OK:
repo_created = True
elif init_repo_status == p4gf_init_repo.INIT_REPO_EXISTS:
repo_created = False
elif init_repo_status == p4gf_init_repo.INIT_REPO_NOVIEW:
start_response(_('404 Not Found'), headers)
return [sink.readall()]
else:
start_response(_('500 Internal Server Error'), headers)
return [b"Repository initialization failed\n"]
# If authorization came from default, not explicit group
# membership, copy that authorization to a group now. Could
# not do this until after p4gf_init_repo() has a chance to
# create not-yet-existing groups.
if view_perm:
view_perm.write_if(p4)
# Now that we have valid git-fusion-user and
# git-fusion-<view> client, replace our temporary P4
# connection with a more permanent Context, shared for the
# remainder of this process.
with p4gf_context.create_context(view_name, view_lock) as ctx:
LOG.debug("reconnected to P4, p4gf=%s", ctx.p4gf)
ctx.log_context()
# cd into the work directory. Not all git functions react well
# to --work-tree=xxxx.
cwd = os.getcwd()
os.chdir(ctx.view_dirs.GIT_WORK_TREE)
# Only copy from Perforce to Git if no other process is cloning
# from this Git repo right now.
shared_in_progress = p4gf_lock.shared_host_view_lock_exists(
ctx.p4, view_name)
if not shared_in_progress:
# Copy any recent changes from Perforce to Git.
try:
LOG.debug(
"bare: No git-upload-pack in progress, force non-bare"
" before update Git from Perforce.")
p4gf_git.set_bare(False)
p4gf_copy_p2g.copy_p2g_ctx(ctx)
p4gf_init_repo.process_imports(ctx)
# Now is also an appropriate time to clear out any stale Git
# Swarm reviews. We're pre-pull, pre-push, time when we've
# got exclusive write access to the Git repo,
GSReviewCollection.delete_refs_for_closed_reviews(ctx)
except p4gf_lock.LockCanceled as lc:
LOG.warning(str(lc))
except:
# Dump failure to log, BEFORE cleanup, just in case
# cleanup ALSO fails and throws its own error (which
# happens if we're out of memory).
LOG.error(traceback.format_exc())
if repo_created:
# Return to the original working directory to allow the
# config code to call os.getcwd() without dying, since
# we are about to delete the current working directory.
os.chdir(cwd)
p4gf_server_common.cleanup_client(ctx, view_name)
raise
try:
exclusive = 'upload' not in command
is_push = 'upload' not in command
git_caller = functools.partial(_call_git, input_name,
environ, ctx)
p4gf_call_git.call_git(git_caller, ctx, view_name,
view_lock, exclusive)
if is_push:
GSReviewCollection.post_push(ctx)
except p4gf_atomic_lock.LockConflict as lc:
start_response(_('500 Internal Server Error'), headers)
return ["{}".format(lc).encode('UTF-8')]
p4gf_gc.process_garbage('at end of auth_server')
if LOG.isEnabledFor(logging.DEBUG):
end_time = time.time()
frm = NTR(
'Runtime: preparation {} ms, lock acquisition {} ms, processing {} ms'
)
LOG.debug(
frm.format(before_lock_time - start_time,
after_lock_time - before_lock_time,
end_time - after_lock_time))
return []
