12 from wizard import util
18 Parse the contents of an environment variable as a boolean.
19 This recognizes more values as ``False`` than :func:`bool` would.
30 except (ValueError, TypeError):
31 if val == "No" or val == "no" or val == "false" or val == "False":
35 def setup_logger(options, numeric_args):
37 if logging_setup: return logging.getLogger()
38 logger = logging.getLogger()
39 logger.handlers = [] # under certain cases, a spurious stream handler is set. We don't know why
40 logger.setLevel(logging.INFO)
41 stderr = logging.StreamHandler(sys.stderr)
42 stderr.setFormatter(logging.Formatter('%(levelname)s: %(message)s'))
44 logger.addHandler(stderr)
46 logger.addHandler(NullLogHandler()) # prevent default
48 setup_file_logger(options.log_file, options.debug)
50 logger.setLevel(logging.DEBUG)
52 stderr.setLevel(logging.WARNING)
54 stderr.setLevel(logging.INFO)
58 def setup_file_logger(log_file, debug):
59 logger = logging.getLogger()
60 file = logging.FileHandler(log_file)
61 logformatter = logging.Formatter("%(asctime)s %(levelname)s: %(message)s", "%Y-%m-%d %H:%M")
62 file.setFormatter(logformatter)
63 logger.addHandler(file)
65 file.setLevel(logging.INFO)
68 def make_base_args(options, **grab):
69 """Takes parsed options, and breaks them back into a command
70 line string that we can pass into a subcommand"""
72 grab["debug"] = "--debug"
73 grab["verbose"] = "--verbose"
74 grab["quiet"] = "--quiet"
75 #grab["log_db"] = "--log-db"
76 for k,flag in grab.items():
77 value = getattr(options, k)
78 if not value: continue
80 if type(value) is not bool:
81 args.append(str(value))
84 def security_check_homedir(location):
86 Performs a check against a directory to determine if current
87 directory's owner has a home directory that is a parent directory.
88 This protects against malicious mountpoints, and is roughly equivalent
92 uid = util.get_dir_uid(location)
93 real = os.path.realpath(location)
94 if not real.startswith(pwd.getpwuid(uid).pw_dir + "/"):
95 logging.error("Security check failed, owner of deployment and "
96 "owner of home directory mismatch for %s" % location)
99 logging.error("Security check failed, could not look up "
100 "owner of %s (uid %d)" % (location, uid))
103 logging.error("OSError: %s" % str(e))
107 def calculate_log_name(log_dir, i):
109 Calculates a log entry given a numeric identifier, and
110 directory under operation.
112 return os.path.join(log_dir, "%04d.log" % i)
114 def create_logdir(log_dir):
116 Creates a log directory and chmods it 777 to enable de-priviledged
117 processes to create files.
122 if e.errno != errno.EEXIST:
125 # log_dir = os.path.join(log_dir, str(int(time.time())))
126 # os.mkdir(log_dir) # if fails, be fatal
127 # # XXX: update last symlink
128 os.chmod(log_dir, 0o777)
130 class Report(object):
131 #: Set of indices that should be skipped
133 #: Dict of append names to counts. You should manually increment these as necessary
135 #: Names of the files objects
137 def __init__(self, names, fobjs, skip, fails):
141 for name, fobj in zip(names, fobjs):
142 setattr(self, name, fobj)
145 getattr(self, n).flush()
147 def report_files(log_dir, names):
148 return [os.path.join(os.path.join(log_dir, "%s.txt" % x)) for x in names]
150 def read_reports(log_dir, names):
152 Reads a number of reports files. The return value is a :class:`Report`
153 object with attributes that are open file objects that correspond to ``names``.
155 return Report(names, [(os.path.exists(f) and open(f, "r") or cStringIO.StringIO()) for f in report_files(log_dir, names)], set(), {})
157 def open_reports(log_dir, names=('warnings', 'errors'), redo=False, append_names=()):
159 Returns a :class:`Report` object configured appropriately for the
160 parameters passed. This object has attributes names + append_names which
161 contain file objects opened as "w". ``names`` report files are cleared unconditionally
162 when they are opened (i.e. are not preserved from run to run.) ``append_names``
163 report files are not cleared unless ``redo`` is True, and persist over
164 runs: assuming the convention that [0001] is the index of the deployment,
165 the ``skip`` attribute on the returned report object contains indexes that
171 rr = read_reports(log_dir, append_names)
172 def build_set(skip, fails, name, fobj):
173 lines = fobj.read().strip().splitlines()
174 skip |= set(int(l[1:5]) for l in lines)
175 fails[name] = len(lines)
177 for name in append_names:
178 build_set(skip, fails, name, getattr(rr, name))
180 names += append_names
181 for name in append_names:
184 files = report_files(log_dir, names)
185 append_files = report_files(log_dir, append_names)
187 old_reports = os.path.join(log_dir, "old-reports")
188 rundir = os.path.join(old_reports, "run")
189 if not os.path.exists(old_reports):
190 os.mkdir(old_reports)
192 util.safe_unlink(rundir)
194 if os.path.exists(f):
196 for f in append_files:
197 if os.path.exists(f):
198 shutil.copy(f, rundir)
199 return Report(names + append_names, [open(f, "w") for f in files] + [open(f, "a") for f in append_files], skip, fails)
201 class NullLogHandler(logging.Handler):
202 """Log handler that doesn't do anything"""
203 def emit(self, record):
206 class WizardOptionParser(optparse.OptionParser):
207 """Configures some default user-level options"""
209 def __init__(self, *args, **kwargs):
210 kwargs["add_help_option"] = False
211 if "store_help" in kwargs:
212 self.store_help = kwargs["store_help"]
213 del kwargs["store_help"]
214 optparse.OptionParser.__init__(self, *args, **kwargs)
215 def parse_all(self, *args, **kwargs):
217 self.add_option("-h", "--help", action="store_true", default=False, dest="help", help=optparse.SUPPRESS_HELP)
219 self.add_option("-h", "--help", action="help", help=optparse.SUPPRESS_HELP)
220 group = optparse.OptionGroup(self, "Common Options")
221 group.add_option("-v", "--verbose", dest="verbose", action="store_true",
222 default=boolish(os.getenv("WIZARD_VERBOSE")), help="Turns on verbose output. Envvar is WIZARD_VERBOSE")
223 group.add_option("--debug", dest="debug", action="store_true",
224 default=boolish(os.getenv("WIZARD_DEBUG")), help="Turns on debugging output. Envvar is WIZARD_DEBUG")
225 group.add_option("-q", "--quiet", dest="quiet", action="store_true",
226 default=boolish(os.getenv("WIZARD_QUIET")), help="Turns off output to stdout. Envvar is WIZARD_QUIET")
227 group.add_option("--log-file", dest="log_file", metavar="FILE",
228 default=None, help="Logs verbose output to file")
229 self.add_option_group(group)
230 options, numeric_args = self.parse_args(*args, **kwargs)
231 setup_logger(options, numeric_args)
232 # we're going to process the global --log-dir/--seen dependency here
233 if hasattr(options, "seen") and hasattr(options, "log_dir"):
234 if not options.seen and options.log_dir:
235 options.seen = os.path.join(options.log_dir, "seen.txt")
236 return options, numeric_args
238 class OptionBaton(object):
239 """Command classes may define options that they sub-commands may
240 use. Since wizard --global-command subcommand is not a supported
241 mode of operation, these options have to be passed down the command
242 chain until a option parser is ready to take it; this baton is
243 what is passed down."""
246 def add(self, *args, **kwargs):
247 key = kwargs["dest"] # require this to be set
248 self.store[key] = optparse.make_option(*args, **kwargs)
249 def push(self, option_parser, *args):
250 """Hands off parameters to option parser"""
252 option_parser.add_option(self.store[key])
254 class Error(wizard.Error):
255 """Base error class for all command errors"""