From 711967ae9639095ce41500bb0e6f80c8b80fab95 Mon Sep 17 00:00:00 2001 From: Stuart Mackie Date: Tue, 25 Jul 2017 10:37:57 -0700 Subject: Contrail charms Change-Id: I2d259d03f63fce38348b8384e26ac23e3fce44a8 Signed-off-by: Stuart Mackie --- .../hooks/charmhelpers/fetch/bzrurl.py | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 contrail-analytics/hooks/charmhelpers/fetch/bzrurl.py (limited to 'contrail-analytics/hooks/charmhelpers/fetch/bzrurl.py') diff --git a/contrail-analytics/hooks/charmhelpers/fetch/bzrurl.py b/contrail-analytics/hooks/charmhelpers/fetch/bzrurl.py new file mode 100644 index 0000000..07cd029 --- /dev/null +++ b/contrail-analytics/hooks/charmhelpers/fetch/bzrurl.py @@ -0,0 +1,76 @@ +# Copyright 2014-2015 Canonical Limited. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import os +from subprocess import check_call +from charmhelpers.fetch import ( + BaseFetchHandler, + UnhandledSource, + filter_installed_packages, + install, +) +from charmhelpers.core.host import mkdir + + +if filter_installed_packages(['bzr']) != []: + install(['bzr']) + if filter_installed_packages(['bzr']) != []: + raise NotImplementedError('Unable to install bzr') + + +class BzrUrlFetchHandler(BaseFetchHandler): + """Handler for bazaar branches via generic and lp URLs.""" + + def can_handle(self, source): + url_parts = self.parse_url(source) + if url_parts.scheme not in ('bzr+ssh', 'lp', ''): + return False + elif not url_parts.scheme: + return os.path.exists(os.path.join(source, '.bzr')) + else: + return True + + def branch(self, source, dest, revno=None): + if not self.can_handle(source): + raise UnhandledSource("Cannot handle {}".format(source)) + cmd_opts = [] + if revno: + cmd_opts += ['-r', str(revno)] + if os.path.exists(dest): + cmd = ['bzr', 'pull'] + cmd += cmd_opts + cmd += ['--overwrite', '-d', dest, source] + else: + cmd = ['bzr', 'branch'] + cmd += cmd_opts + cmd += [source, dest] + check_call(cmd) + + def install(self, source, dest=None, revno=None): + url_parts = self.parse_url(source) + branch_name = url_parts.path.strip("/").split("/")[-1] + if dest: + dest_dir = os.path.join(dest, branch_name) + else: + dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched", + branch_name) + + if dest and not os.path.exists(dest): + mkdir(dest, perms=0o755) + + try: + self.branch(source, dest_dir, revno) + except OSError as e: + raise UnhandledSource(e.strerror) + return dest_dir -- cgit 1.2.3-korg