_SS_FILEPREFIX = "ssconf_"
_VALID_KEYS = (
constants.SS_CLUSTER_NAME,
+ constants.SS_CLUSTER_TAGS,
constants.SS_FILE_STORAGE_DIR,
+ constants.SS_MASTER_CANDIDATES,
constants.SS_MASTER_IP,
constants.SS_MASTER_NETDEV,
constants.SS_MASTER_NODE,
constants.SS_NODE_LIST,
+ constants.SS_OFFLINE_NODES,
+ constants.SS_ONLINE_NODES,
+ constants.SS_INSTANCE_LIST,
+ constants.SS_RELEASE_VERSION,
)
_MAX_SIZE = 131072
" '%s'" % str(err))
return data
+ def WriteFiles(self, values):
+ """Writes ssconf files used by external scripts.
+
+ @type values: dict
+ @param values: Dictionary of (name, value)
+
+ """
+ ssconf_lock = utils.FileLock(constants.SSCONF_LOCK_FILE)
+
+ # Get lock while writing files
+ ssconf_lock.Exclusive(blocking=True, timeout=SSCONF_LOCK_TIMEOUT)
+ try:
+ for name, value in values.iteritems():
+ if value and not value.endswith("\n"):
+ value += "\n"
+ utils.WriteFile(self.KeyToFilename(name), data=value, mode=0444)
+ finally:
+ ssconf_lock.Unlock()
+
def GetFileList(self):
"""Return the list of all config files.
"""
return self._ReadFile(constants.SS_FILE_STORAGE_DIR)
+ def GetMasterCandidates(self):
+ """Return the list of master candidates.
+
+ """
+ data = self._ReadFile(constants.SS_MASTER_CANDIDATES)
+ nl = data.splitlines(False)
+ return nl
+
def GetMasterIP(self):
"""Get the IP of the master node for this cluster.
return nl
-def _SsconfPath(name):
- if not RE_VALID_SSCONF_NAME.match(name):
- raise errors.ParameterError("Invalid ssconf name: %s" % name)
- return "%s/ssconf_%s" % (constants.DATA_DIR, name)
-
-
-def WriteSsconfFiles(values):
- """Writes legacy ssconf files to be used by external scripts.
-
- @type values: dict
- @param values: Dictionary of (name, value)
-
- """
- ssconf_lock = utils.FileLock(constants.SSCONF_LOCK_FILE)
-
- # Get lock while writing files
- ssconf_lock.Exclusive(blocking=True, timeout=SSCONF_LOCK_TIMEOUT)
- try:
- for name, value in values.iteritems():
- if not value.endswith("\n"):
- value += "\n"
- utils.WriteFile(_SsconfPath(name),
- data=value)
- finally:
- ssconf_lock.Unlock()
-
-
def GetMasterAndMyself(ss=None):
"""Get the master node and my own hostname.
The function does not handle any errors, these should be handled in
the caller (errors.ConfigurationError, errors.ResolverError).
+ @param ss: either a sstore.SimpleConfigReader or a
+ sstore.SimpleStore instance
+ @rtype: tuple
+ @return: a tuple (master node name, my own name)
+
"""
if ss is None:
ss = SimpleStore()