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authorNarayan Desai <desai@mcs.anl.gov>2007-03-21 16:17:58 +0000
committerNarayan Desai <desai@mcs.anl.gov>2007-03-21 16:17:58 +0000
commit0a9aadb2d06e0eb1ee3d6881bba2593e108309ca (patch)
treeaab3b517de321f3577a498962f85fdc7fc35f8ee /tools/bcfg2-export-config
parentb5c109bb6f8620c19316e20092a3d83514bb8ae4 (diff)
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Add bcfg2-export-config (Resolves Ticket #184)
git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@2981 ce84e21b-d406-0410-9b95-82705330c041
Diffstat (limited to 'tools/bcfg2-export-config')
-rwxr-xr-xtools/bcfg2-export-config134
1 files changed, 134 insertions, 0 deletions
diff --git a/tools/bcfg2-export-config b/tools/bcfg2-export-config
new file mode 100755
index 000000000..3ae637c36
--- /dev/null
+++ b/tools/bcfg2-export-config
@@ -0,0 +1,134 @@
+#!/usr/bin/env python
+# Contributed by gogo
+
+'''TODO'''
+__revision__ = '$Revision: 221 $'
+
+import logging, lxml.etree, Bcfg2.Logging, Bcfg2.Server.Core, Bcfg2.Server.Metadata, Bcfg2.Server.Plugin
+import sys,os,time,errno
+from optparse import OptionParser
+
+def buildConfiguration(core, client):
+ '''Build client configuration.'''
+
+ return core.BuildConfiguration(client)
+
+def write_siggi_entry(user, group, permission, path):
+ '''Write an entry to the configfiles.siggi file which is needed by siggi.'''
+ f = open(outputdir + '/configfiles.siggi', 'a')
+ f.write("%s,%s,%s,%s\n" % (user, group, permission, path))
+ f.close()
+ logger.info("Wrote siggi entry." )
+
+class ConfigFileNotBuild(Exception):
+ def __init__(self, value):
+ self.value = value
+ def __str__(self):
+ return repr(self.value)
+
+
+def handleConfigFileEntry(cfg):
+ '''Store file content of an <ConfigFile name='/path/to/file' ...>...</ConfigFile> entry
+ in the appropriate directory under the output directory.'''
+ name = cfg.get('name')
+ permission = cfg.get('perms').rjust(4,'0')
+ user = cfg.get('owner')
+ group = cfg.get('group')
+
+ logger.info("\nHandling ConfigFile entry %s >>>" % name)
+
+ # directory creation
+ logger.info("Creating directory %s" % ( os.path.dirname(outputdir + name)) )
+ try:
+ os.makedirs(os.path.dirname(outputdir + name))
+ except OSError,err:
+ if err.errno != errno.EEXIST:
+ raise
+ except:
+ logger.error("Fatal error during directory creation!")
+ raise
+
+ # write config file
+ f = open(outputdir + name, "w" )
+ try:
+ f.write(cfg.text)
+ except: # plugin throw an exception and therefore there is no content => None
+ raise ConfigFileNotBuild(name)
+ f.close()
+
+ # write siggi entry
+ try:
+ write_siggi_entry(user, group, permission, name)
+ except:
+ logger.error("Writing entry to configfiles.siggi failed!")
+ raise
+
+ logger.info("<<<")
+
+if __name__ == '__main__':
+ Bcfg2.Logging.setup_logging('export-config-AMS', to_syslog=False)
+ logger = logging.getLogger('export-config-AMS')
+
+ # parse command line options, arguments
+ parser = OptionParser(usage = "%prog [options] client outputdir", version = __revision__)
+ parser.add_option("-c", "--config-file", action="store", dest="configfile",
+ help="Use given bcfg2.conf file, default: /etc/bcfg2.conf")
+
+ parser.add_option("-f", "--fam-steps", action="store", dest="famsteps",
+ type = "int", help="How many times to handle fam events, default: 10")
+
+ parser.set_defaults(famsteps = 10, configfile="/etc/bcfg2.conf")
+
+ (options, args) = parser.parse_args()
+
+ # ensure client hostname is given
+ if len(args) != 2:
+ parser.error("incorrect number of arguments.")
+
+ client = args[0]
+ outputdir = args[1]
+
+ # stop if output directory exists
+ if os.path.exists(outputdir):
+ logger.error("Output directory already exists, won't override!")
+ raise SystemExit, 1
+
+ logger.info("Generating configuration for %s" % client)
+
+ # load Bcfg2 Core
+ try:
+ logger.debug("Trying to load core...")
+ bcore = Bcfg2.Server.Core.Core({}, options.configfile)
+ except Bcfg2.Server.Core.CoreInitError, msg:
+ logger.error("Core load failed because %s" % msg)
+ raise SystemExit, 1
+ else:
+ logger.debug("Core loaded.")
+
+ # FAM service handling
+ for i in range(options.famsteps):
+ logger.info("FAM service handling: %s to go..." % str(options.famsteps - i) )
+ bcore.fam.Service()
+ time.sleep(0.5)
+
+ # get configuration for client
+ try:
+ client_config = buildConfiguration( bcore, client)
+ except:
+ logger.error("Building client configuration failed. Exiting...")
+ raise SystemExit, 1
+
+ # client could be without a group, not listed in client.xml ...
+ if client_config.tag == 'error':
+ logger.error("Building client configuration failed. Exiting...")
+ raise SystemExit, 1
+
+ # handle <ConfigFile> entries
+ for configfile in [cfile for cfile in client_config.findall(".//ConfigFile")]:
+ try:
+ handleConfigFileEntry(configfile)
+ except ConfigFileNotBuild, e:
+ logger.error("Error: Plugin failed to generate file content for ConfigFile %s !" % e)
+ raise SystemExit, 1
+ except:
+ raise SystemExit, 1