diff options
Diffstat (limited to 'src/lib/Bcfg2/Server/Admin/__init__.py')
-rw-r--r-- | src/lib/Bcfg2/Server/Admin/__init__.py | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/lib/Bcfg2/Server/Admin/__init__.py b/src/lib/Bcfg2/Server/Admin/__init__.py new file mode 100644 index 000000000..a7269a289 --- /dev/null +++ b/src/lib/Bcfg2/Server/Admin/__init__.py @@ -0,0 +1,136 @@ +__all__ = [ + 'Backup', + 'Bundle', + 'Client', + 'Compare', + 'Group', + 'Init', + 'Minestruct', + 'Perf', + 'Pull', + 'Query', + 'Reports', + 'Snapshots', + 'Tidy', + 'Viz', + 'Xcmd' + ] + +import logging +import lxml.etree +import sys + +import Bcfg2.Server.Core +import Bcfg2.Options +# Compatibility import +from Bcfg2.Bcfg2Py3k import ConfigParser + + +class ModeOperationError(Exception): + pass + + +class Mode(object): + """Help message has not yet been added for mode.""" + __shorthelp__ = 'Shorthelp not defined yet' + __longhelp__ = 'Longhelp not defined yet' + __usage__ = None + __args__ = [] + + def __init__(self, setup): + self.setup = setup + self.configfile = setup['configfile'] + self.__cfp = False + self.log = logging.getLogger('Bcfg2.Server.Admin.Mode') + if self.__usage__ is not None: + setup.hm = self.__usage__ + + def getCFP(self): + if not self.__cfp: + self.__cfp = ConfigParser.ConfigParser() + self.__cfp.read(self.configfile) + return self.__cfp + + cfp = property(getCFP) + + def __call__(self, args): + pass + + def errExit(self, emsg): + print(emsg) + raise SystemExit(1) + + def load_stats(self, client): + stats = lxml.etree.parse("%s/etc/statistics.xml" % self.setup['repo']) + hostent = stats.xpath('//Node[@name="%s"]' % client) + if not hostent: + self.errExit("Could not find stats for client %s" % (client)) + return hostent[0] + + def print_table(self, rows, justify='left', hdr=True, vdelim=" ", padding=1): + """Pretty print a table + + rows - list of rows ([[row 1], [row 2], ..., [row n]]) + hdr - if True the first row is treated as a table header + vdelim - vertical delimiter between columns + padding - # of spaces around the longest element in the column + justify - may be left,center,right + + """ + hdelim = "=" + justify = {'left': str.ljust, + 'center': str.center, + 'right': str.rjust}[justify.lower()] + + """ + Calculate column widths (longest item in each column + plus padding on both sides) + + """ + cols = list(zip(*rows)) + colWidths = [max([len(str(item)) + 2 * padding for \ + item in col]) for col in cols] + borderline = vdelim.join([w * hdelim for w in colWidths]) + + # Print out the table + print(borderline) + for row in rows: + print(vdelim.join([justify(str(item), width) for \ + (item, width) in zip(row, colWidths)])) + if hdr: + print(borderline) + hdr = False + + +class MetadataCore(Mode): + """Base class for admin-modes that handle metadata.""" + __plugin_whitelist__ = None + __plugin_blacklist__ = None + + def __init__(self, setup): + Mode.__init__(self, setup) + if self.__plugin_whitelist__ is not None: + setup['plugins'] = [p for p in setup['plugins'] + if p in self.__plugin_whitelist__] + elif self.__plugin_blacklist__ is not None: + setup['plugins'] = [p for p in setup['plugins'] + if p not in self.__plugin_blacklist__] + + try: + self.bcore = \ + Bcfg2.Server.Core.Core(setup['repo'], + setup['plugins'], + setup['password'], + setup['encoding'], + filemonitor=setup['filemonitor'], + cfile=setup['configfile'], + setup=setup) + except Bcfg2.Server.Core.CoreInitError: + msg = sys.exc_info()[1] + self.errExit("Core load failed: %s" % msg) + self.bcore.fam.handle_events_in_interval(5) + self.metadata = self.bcore.metadata + + +class StructureMode(MetadataCore): + pass |