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# Copyright 2017 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import email
import imaplib
import os
import subprocess
import sys
import urlparse
import cliapp
import requests
import yaml
variables_filename = os.environ.get('VARIABLES', 'vars.yaml')
class YarnHelper(object):
def __init__(self):
self._env = dict(os.environ)
self._next_match = 1
self._variables = None # None means not loaded, otherwise dict
def set_environment(self, env):
self._env = dict(env)
def get_next_match(self):
name = 'MATCH_{}'.format(self._next_match)
if name not in self._env:
raise Error('no next match')
self._next_match += 1
return self._env[name]
def get_variable(self, name, default=None):
if self._variables is None:
self._variables = self._load_variables()
return self._variables.get(name, default)
def _load_variables(self):
if os.path.exists(variables_filename):
with open(variables_filename, 'r') as f:
return yaml.safe_load(f)
return {}
def set_variable(self, name, value):
if self._variables is None:
self._variables = {}
self._variables[name] = value
self._save_variables(self._variables)
def _save_variables(self, variables):
with open(variables_filename, 'w') as f:
yaml.safe_dump(variables, f)
def append_to_list(self, list_name, value):
if self._variables is None:
self._variables = self._load_variables()
items = self._variables.get(list_name, [])
items.append(value)
self.set_variable(list_name, items)
def construct_aliased_http_request(
self, address, method, url, data=None, headers=None):
if headers is None:
headers = {}
parts = list(urlparse.urlparse(url))
headers['Host'] = parts[1]
parts[1] = address
aliased_url = urlparse.urlunparse(parts)
r = requests.Request(method, aliased_url, data=data, headers=headers)
return r.prepare()
def http_get(self, address, url): # pragma: no cover
r = self.construct_aliased_http_request(address, 'GET', url)
s = requests.Session()
resp = s.send(r)
return resp.status_code, resp.content
def assertEqual(self, a, b):
if a != b:
raise Error('assertion {!r} == {!r} failed'.format(a, b))
def assertNotEqual(self, a, b):
if a == b:
raise Error('assertion {!r} != {!r} failed'.format(a, b))
def assertGreaterThan(self, a, b):
if a <= b:
raise Error('assertion {!r} > {!r} failed'.format(a, b))
def assertIn(self, a, b):
if a not in b:
raise Error('assertion {!r} in {!r} failed'.format(a, b))
def get_password_with_pass(self, pass_home, pass_name): # pragma: no cover
p = subprocess.Popen(
['env', 'HOME={}'.format(pass_home), 'pass', 'show', pass_name],
stdout=subprocess.PIPE)
stdout, stderr = p.communicate()
password = stdout.rstrip()
return password
def iterate_mails_in_imap_mailbox(
self, address, user, password, callback, exp): # pragma: no cover
m = imaplib.IMAP4_SSL(address)
m.login(user, password)
m.select('INBOX', False)
typ, data = m.search(None, 'ALL')
for num in data[0].split():
typ, data = m.fetch(num, '(RFC822)')
typ, text = data[0]
msg = email.message_from_string(text)
callback(m, num, msg)
if exp:
m.expunge()
m.close()
m.logout()
def ssh_keygen(self, user): # pragma: no cover
filename = self.ssh_key_file_for_user(user)
cliapp.runcmd(['ssh-keygen', '-f', filename, '-N', '', '-C', user])
with open(filename + '.pub') as f:
return f.read()
def ssh_key_file_for_user(self, user): # pragma: no cover
return os.path.abspath('{}.key'.format(user))
def repo_ssh_url(self, repo): # pragma: no cover
return 'ssh://git@{}/{}'.format(os.environ['GITANO_SERVER'], repo)
def local_checkout_dirname(self, user, repo): # pragma: no cover
return '{}_{}'.format(user, repo)
def git_as(self, user, args, **kwargs): # pragma: no cover
server = os.environ['GITANO_SERVER']
env = dict(os.environ)
env['GIT_SSH_COMMAND'] = self.env_ssh_command(user)
return cliapp.runcmd_unchecked(
['git'] + args,
stderr=subprocess.STDOUT,
env=env,
**kwargs)
def git_as_checked(self, user, args, **kwargs): # pragma: no cover
exit, out, err = self.git_as(user, args, **kwargs)
sys.stdout.write('STDOUT from git:\n{}'.format(out))
sys.stderr.write('STDERR from git:\n{}'.format(err))
self.assertEqual(exit, 0)
def env_ssh_command(self, user): # pragma: no cover
argv = [
'ssh',
'-o', 'PasswordAuthentication=no',
'-o', 'IdentitiesOnly=yes',
'-i', self.get_user_ssh_key(user),
]
return ' '.join(argv)
def get_admin_ssh_key(self): # pragma: no cover
return os.environ['ADMIN_SSH_KEY']
def get_user_ssh_key(self, user): # pragma: no cover
if user is None:
return self.get_admin_ssh_key()
else:
return self.ssh_key_file_for_user(user)
def gitano(self, user, args, stdin=None): # pragma: no cover
server = os.environ['GITANO_SERVER']
kwargs = {
'stderr': subprocess.STDOUT,
'ssh_options': [
'-oPasswordAuthentication=no',
'-oIdentitiesOnly=yes',
'-i', self.get_user_ssh_key(user),
],
}
if stdin is not None:
kwargs['feed_stdin'] = stdin
return cliapp.ssh_runcmd(
'git@{}'.format(server),
args.split(),
**kwargs)
def gitano_confirm_with_token(self, prefix, which): # pragma: no cover
try:
output = self.gitano(None, '{} {}'.format(prefix, which))
except cliapp.AppException:
pass
else:
last_line = output.splitlines()[-1]
token = last_line.split()[-1]
self.gitano(None, '{} {} {}'.format(prefix, which, token))
class Error(Exception):
pass
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