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 makeLogger(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'))
43 if not options.quiet: logger.addHandler(stderr)
44 else: logger.addHandler(NullLogHandler()) # prevent default
45 if options.log_file: addFileLogger(options.log_file, options.debug)
47 logger.setLevel(logging.DEBUG)
49 stderr.setLevel(logging.WARNING)
51 stderr.setLevel(logging.INFO)
55 def addFileLogger(log_file, debug):
56 logger = logging.getLogger()
57 file = logging.FileHandler(log_file)
58 logformatter = logging.Formatter("%(asctime)s %(levelname)s: %(message)s", "%Y-%m-%d %H:%M")
59 file.setFormatter(logformatter)
60 logger.addHandler(file)
62 file.setLevel(logging.INFO)
65 def makeBaseArgs(options, **grab):
66 """Takes parsed options, and breaks them back into a command
67 line string that we can pass into a subcommand"""
69 grab["debug"] = "--debug"
70 grab["verbose"] = "--verbose"
71 grab["quiet"] = "--quiet"
72 #grab["log_db"] = "--log-db"
73 for k,flag in grab.items():
74 value = getattr(options, k)
75 if not value: continue
77 if type(value) is not bool:
78 args.append(str(value))
81 def security_check_homedir(location):
83 Performs a check against a directory to determine if current
84 directory's owner has a home directory that is a parent directory.
85 This protects against malicious mountpoints, and is roughly equivalent
89 uid = util.get_dir_uid(location)
90 real = os.path.realpath(location)
91 if not real.startswith(pwd.getpwuid(uid).pw_dir + "/"):
92 logging.error("Security check failed, owner of deployment and "
93 "owner of home directory mismatch for %s" % location)
96 logging.error("Security check failed, could not look up "
97 "owner of %s (uid %d)" % (location, uid))
100 logging.error("OSError: %s" % str(e))
104 def calculate_log_name(log_dir, i):
106 Calculates a log entry given a numeric identifier, and
107 directory under operation.
109 return os.path.join(log_dir, "%04d.log" % i)
111 def create_logdir(log_dir):
113 Creates a log directory and chmods it 777 to enable de-priviledged
114 processes to create files.
119 if e.errno != errno.EEXIST:
122 # log_dir = os.path.join(log_dir, str(int(time.time())))
123 # os.mkdir(log_dir) # if fails, be fatal
124 # # XXX: update last symlink
125 os.chmod(log_dir, 0o777)
127 class Report(object):
128 #: Set of indices that should be skipped
130 #: Dict of append names to counts. You should manually increment these as necessary
132 #: Names of the files objects
134 def __init__(self, names, fobjs, skip, fails):
138 for name, fobj in zip(names, fobjs):
139 setattr(self, name, fobj)
142 getattr(self, n).flush()
144 def report_files(log_dir, names):
145 return [os.path.join(os.path.join(log_dir, "%s.txt" % x)) for x in names]
147 def read_reports(log_dir, names):
149 Reads a number of reports files. The return value is a :class:`Report`
150 object with attributes that are open file objects that correspond to ``names``.
152 return Report(names, [(os.path.exists(f) and open(f, "r") or cStringIO.StringIO()) for f in report_files(log_dir, names)], set(), {})
154 def open_reports(log_dir, names=('warnings', 'errors'), redo=False, append_names=()):
156 Returns a :class:`Report` object configured appropriately for the
157 parameters passed. This object has attributes names + append_names which
158 contain file objects opened as "w". ``names`` report files are cleared unconditionally
159 when they are opened (i.e. are not preserved from run to run.) ``append_names``
160 report files are not cleared unless ``redo`` is True, and persist over
161 runs: assuming the convention that [0001] is the index of the deployment,
162 the ``skip`` attribute on the returned report object contains indexes that
168 rr = read_reports(log_dir, append_names)
169 def build_set(skip, fails, name, fobj):
170 lines = fobj.read().strip().splitlines()
171 skip |= set(int(l[1:5]) for l in lines)
172 fails[name] = len(lines)
174 for name in append_names:
175 build_set(skip, fails, name, getattr(rr, name))
177 names += append_names
178 for name in append_names:
181 files = report_files(log_dir, names)
182 append_files = report_files(log_dir, append_names)
184 old_reports = os.path.join(log_dir, "old-reports")
185 rundir = os.path.join(old_reports, "run")
186 if not os.path.exists(old_reports):
187 os.mkdir(old_reports)
189 util.safe_unlink(rundir)
191 if os.path.exists(f):
193 for f in append_files:
194 if os.path.exists(f):
195 shutil.copy(f, rundir)
196 return Report(names + append_names, [open(f, "w") for f in files] + [open(f, "a") for f in append_files], skip, fails)
198 class NullLogHandler(logging.Handler):
199 """Log handler that doesn't do anything"""
200 def emit(self, record):
203 class WizardOptionParser(optparse.OptionParser):
204 """Configures some default user-level options"""
205 def __init__(self, *args, **kwargs):
206 kwargs["add_help_option"] = False
207 optparse.OptionParser.__init__(self, *args, **kwargs)
208 def parse_all(self, argv):
209 self.add_option("-h", "--help", action="help", help=optparse.SUPPRESS_HELP)
210 group = optparse.OptionGroup(self, "Common Options")
211 group.add_option("-v", "--verbose", dest="verbose", action="store_true",
212 default=boolish(os.getenv("WIZARD_VERBOSE")), help="Turns on verbose output. Envvar is WIZARD_VERBOSE")
213 group.add_option("--debug", dest="debug", action="store_true",
214 default=boolish(os.getenv("WIZARD_DEBUG")), help="Turns on debugging output. Envvar is WIZARD_DEBUG")
215 group.add_option("-q", "--quiet", dest="quiet", action="store_true",
216 default=boolish(os.getenv("WIZARD_QUIET")), help="Turns off output to stdout. Envvar is WIZARD_QUIET")
217 group.add_option("--log-file", dest="log_file", metavar="FILE",
218 default=None, help="Logs verbose output to file")
219 self.add_option_group(group)
220 options, numeric_args = self.parse_args(argv)
221 makeLogger(options, numeric_args)
222 # we're going to process the global --log-dir/--seen dependency here
223 if hasattr(options, "seen") and hasattr(options, "log_dir"):
224 if not options.seen and options.log_dir:
225 options.seen = os.path.join(options.log_dir, "seen.txt")
226 return options, numeric_args
228 class OptionBaton(object):
229 """Command classes may define options that they sub-commands may
230 use. Since wizard --global-command subcommand is not a supported
231 mode of operation, these options have to be passed down the command
232 chain until a option parser is ready to take it; this baton is
233 what is passed down."""
236 def add(self, *args, **kwargs):
237 key = kwargs["dest"] # require this to be set
238 self.store[key] = optparse.make_option(*args, **kwargs)
239 def push(self, option_parser, *args):
240 """Hands off parameters to option parser"""
242 option_parser.add_option(self.store[key])
244 class Error(wizard.Error):
245 """Base error class for all command errors"""