def getFailoverdomainPrefNode(self, failoverdomain):
"""
@param failoverdomain: failoverdomain
@type failoverdomain: string
@return: Name of node which is prefered in failovercase of given failoverdomain
@rtype: string
"""
#no defaultvalue specified because every dailoverdomain needs to have one or more failoverdomainnodes and priority is a needed attribute
_tmp1 = self.getFailoverdomainNodes(failoverdomain)
#search for lowest priority
minprio = "0"
for i in range(len(_tmp1)):
_xpath=xpathjoin(RedHatClusterRepository.getDefaultClusterFailoverDomain(failoverdomain), RedHatClusterRepository.element_failoverdomainnode+"[@"+RedHatClusterRepository.attribute_failoverdomainnode_name+"=\""+_tmp1[i]+"\"]", "@"+RedHatClusterRepository.attribute_failoverdomainnode_priority)
self.log.debug("query lowest priority of failoverdomainnodes belonging to %s : %s" %(failoverdomain,_xpath))
_tmp2 = self.queryValue(_xpath)[0]
if (minprio == "0") or (_tmp2 < minprio):
minprio = _tmp2
#get node with lowest priority
try:
_xpath=xpathjoin(RedHatClusterRepository.getDefaultClusterFailoverDomain(failoverdomain), RedHatClusterRepository.element_failoverdomainnode+"[@"+RedHatClusterRepository.attribute_failoverdomainnode_priority+"=\""+str(minprio)+"\"]", "@"+RedHatClusterRepository.attribute_failoverdomainnode_name)
self.log.debug("get failoverprefdomainnode from failoverdomain %s: %s" %(failoverdomain, _xpath))
return self.queryValue(_xpath)[0]
except IndexError:
raise NameError("Cannot find prefered failoverdomainnode for domain %s." %failoverdomain)
def query(self, param, *params, **keys):
if self.non_statics.get(param, None) != None and self.helper:
return self.helper.queryStatusElement(query=xpathjoin(self.xpath_clustat, self.element_nodes, self.element_node+'['+self.attribute_node_name+'="'+self.getName()+'"]', self.non_statics.get(param)))
elif self.helper:
return self.helper.queryStatusElement(query=os.path.join(self.clustat_pathroot %self.getName(), "@"+param))
else:
return None
def query(self, param, *params, **keys):
if self.non_statics.get(param, None) != None and self.helper:
return self.helper.queryStatusElement(query=xpathjoin(self.xpath_clustat, self.element_nodes, self.element_node+'['+self.attribute_node_name+'="'+self.getName()+'"]', self.non_statics.get(param)))
elif self.helper:
return self.helper.queryStatusElement(query=os.path.join(self.clustat_pathroot %self.getName(), "@"+param))
else:
return None
def __init__(self, clusterRepository):
"""
Set used clusterRepository
@param clusterRepository: clusterRepository to use
@type clusterRepository: L{RedhatClusterRepository}
"""
super(RedHatClusterInfo, self).__init__(clusterRepository)
from helper import RedHatClusterHelper, HelperNotSupportedError
try:
self.helper=RedHatClusterHelper()
except HelperNotSupportedError:
self.helper=None
self.addNonStatic("name", xpathjoin(RedHatClusterRepository.getDefaultClustatXPath(), RedHatClusterRepository.element_clustat_cluster, "@"+RedHatClusterRepository.attribute_clustat_cluster_name))
# self.addNonStatic(RedhatClusterInfo, "id")
self.addNonStatic("generation", xpathjoin(RedHatClusterRepository.getDefaultClustatXPath(), RedHatClusterRepository.element_clustat_cluster, "@"+RedHatClusterRepository.attribute_clustat_cluster_generation))
self.addNonStatic("quorum_quorate", xpathjoin(RedHatClusterRepository.getDefaultClustatXPath(), RedHatClusterRepository.element_quorum, "@"+RedHatClusterRepository.attribute_quorum_quorate))
self.addNonStatic("quorum_groupmember", xpathjoin(RedHatClusterRepository.getDefaultClustatXPath(), RedHatClusterRepository.element_quorum, "@"+RedHatClusterRepository.attribute_quorum_groupmember))
class RedHatClusterNode(ClusterNode):
"""
Extends the generall ClusterNode class
by adding special queries for this cluster
type.
"""
clustat_pathroot=xpathjoin(RedHatClusterRepository.getDefaultClustatXPath(), RedHatClusterRepository.element_clustat_nodes, RedHatClusterRepository.element_clustat_node+'[@'+RedHatClusterRepository.attribute_clustat_node_name+'="%s"]')
def __init__(self, element, doc=None):
super(RedHatClusterNode, self).__init__(element, doc)
from helper import RedHatClusterHelper, HelperNotSupportedError
try:
self.helper=RedHatClusterHelper()
except HelperNotSupportedError:
self.helper=None
self.addNonStatic("state")
self.addNonStatic("local")
self.addNonStatic("estranged")
self.addNonStatic("rgmanager")
self.addNonStatic("rgmanager_master")
self.addNonStatic("qdisk")
def query(self, param, *params, **keys):
if self.non_statics.get(param, None) != None and self.helper:
return self.helper.queryStatusElement(query=xpathjoin(self.xpath_clustat, self.element_nodes, self.element_node+'['+self.attribute_node_name+'="'+self.getName()+'"]', self.non_statics.get(param)))
elif self.helper:
return self.helper.queryStatusElement(query=os.path.join(self.clustat_pathroot %self.getName(), "@"+param))
else:
return None
def getName(self):
"""
@return: nodename
@rtype: string
"""
return self.getAttribute(RedHatClusterRepository.attribute_clusternode_name)
def getId(self):
"""
@return: nodeid
@rtype: int
"""
return self.getAttribute(RedHatClusterRepository.attribute_clusternode_nodeid, "")
def getVotes(self):
"""
@return: votes for quorum
@rtype: int
"""
return self.getAttribute(RedHatClusterRepository.attribute_clusternode_votes, "1")
def isActive(self):
"""
@return: True if clusternode is active
"""
return self.state==None or self.state=='1'
def getFailoverdomainPrefNode(self, failoverdomain):
"""
@param failoverdomain: failoverdomain
@type failoverdomain: string
@return: Name of node which is prefered in failovercase of given failoverdomain
@rtype: string
"""
#no defaultvalue specified because every dailoverdomain needs to have one or more failoverdomainnodes and priority is a needed attribute
_tmp1 = self.getFailoverdomainNodes(failoverdomain)
#search for lowest priority
minprio = "0"
for i in range(len(_tmp1)):
_xpath = xpathjoin(
RedHatClusterRepository.getDefaultClusterFailoverDomain(
failoverdomain),
RedHatClusterRepository.element_failoverdomainnode + "[@" +
RedHatClusterRepository.attribute_failoverdomainnode_name +
"=\"" + _tmp1[i] + "\"]", "@" +
RedHatClusterRepository.attribute_failoverdomainnode_priority)
self.log.debug(
"query lowest priority of failoverdomainnodes belonging to %s : %s"
% (failoverdomain, _xpath))
_tmp2 = self.queryValue(_xpath)[0]
if (minprio == "0") or (_tmp2 < minprio):
minprio = _tmp2
#get node with lowest priority
try:
_xpath = xpathjoin(
RedHatClusterRepository.getDefaultClusterFailoverDomain(
failoverdomain),
RedHatClusterRepository.element_failoverdomainnode + "[@" +
RedHatClusterRepository.attribute_failoverdomainnode_priority +
"=\"" + str(minprio) + "\"]", "@" +
RedHatClusterRepository.attribute_failoverdomainnode_name)
self.log.debug(
"get failoverprefdomainnode from failoverdomain %s: %s" %
(failoverdomain, _xpath))
return self.queryValue(_xpath)[0]
except IndexError:
raise NameError(
"Cannot find prefered failoverdomainnode for domain %s." %
failoverdomain)
def query(self, param, *params, **keys):
if keys and keys.has_key("pathroot"):
_pathroot=keys["pathroot"]
elif params and len(params)>=1:
_pathroot=params[0]
else:
_pathroot=RedHatClusterRepository.getDefaultClustatXPath()
result=""
if xpathsplit(_pathroot)[0] == RedHatClusterRepository.element_clustat and self.helper:
if self.non_statics.get(param, None) != None:
result=self.helper.queryStatusElement(query= xpathjoin(_pathroot, self.non_statics.get(param)))
else:
result=self.helper.queryStatusElement(query= xpathjoin(_pathroot, "@"+param))
else:
result=self.queryValue(param)
if isinstance(result, basestring):
return result
else:
":".join(result)
def getFailoverdomainNodes(self, failoverdomain):
"""
@param failoverdomain: failoverdomain
@type failoverdomain: string
@return: Names of nodes which belong to the given failoverdomain
@rtype: string
"""
#no defaultvalue specified because every dailoverdomain needs to have one or more failoverdomainnodes
_xpath=xpathjoin(RedHatClusterRepository.getDefaultClusterFailoverDomain(failoverdomain), RedHatClusterRepository.element_failoverdomainnode, "@"+RedHatClusterRepository.attribute_failoverdomainnode_name)
self.log.debug("get failoverdomainnodes from failoverdomain %s: %s" %(failoverdomain,_xpath))
_tmp1 = self.queryValue(_xpath)
return _tmp1
def query(self, param, *params, **keys):
if keys and keys.has_key("pathroot"):
_pathroot = keys["pathroot"]
elif params and len(params) >= 1:
_pathroot = params[0]
else:
_pathroot = RedHatClusterRepository.getDefaultClustatXPath()
result = ""
if xpathsplit(_pathroot)[
0] == RedHatClusterRepository.element_clustat and self.helper:
if self.non_statics.get(param, None) != None:
result = self.helper.queryStatusElement(
query=xpathjoin(_pathroot, self.non_statics.get(param)))
else:
result = self.helper.queryStatusElement(
query=xpathjoin(_pathroot, "@" + param))
else:
result = self.queryValue(param)
if isinstance(result, basestring):
return result
else:
":".join(result)
def __init__(self, clusterRepository):
"""
Set used clusterRepository
@param clusterRepository: clusterRepository to use
@type clusterRepository: L{RedhatClusterRepository}
"""
super(RedHatClusterInfo, self).__init__(clusterRepository)
from helper import RedHatClusterHelper, HelperNotSupportedError
try:
self.helper = RedHatClusterHelper()
except HelperNotSupportedError:
self.helper = None
self.addNonStatic(
"name",
xpathjoin(
RedHatClusterRepository.getDefaultClustatXPath(),
RedHatClusterRepository.element_clustat_cluster,
"@" + RedHatClusterRepository.attribute_clustat_cluster_name))
# self.addNonStatic(RedhatClusterInfo, "id")
self.addNonStatic(
"generation",
xpathjoin(
RedHatClusterRepository.getDefaultClustatXPath(),
RedHatClusterRepository.element_clustat_cluster, "@" +
RedHatClusterRepository.attribute_clustat_cluster_generation))
self.addNonStatic(
"quorum_quorate",
xpathjoin(RedHatClusterRepository.getDefaultClustatXPath(),
RedHatClusterRepository.element_quorum,
"@" + RedHatClusterRepository.attribute_quorum_quorate))
self.addNonStatic(
"quorum_groupmember",
xpathjoin(
RedHatClusterRepository.getDefaultClustatXPath(),
RedHatClusterRepository.element_quorum,
"@" + RedHatClusterRepository.attribute_quorum_groupmember))
def getFailoverdomainNodes(self, failoverdomain):
"""
@param failoverdomain: failoverdomain
@type failoverdomain: string
@return: Names of nodes which belong to the given failoverdomain
@rtype: string
"""
#no defaultvalue specified because every dailoverdomain needs to have one or more failoverdomainnodes
_xpath = xpathjoin(
RedHatClusterRepository.getDefaultClusterFailoverDomain(
failoverdomain),
RedHatClusterRepository.element_failoverdomainnode,
"@" + RedHatClusterRepository.attribute_failoverdomainnode_name)
self.log.debug("get failoverdomainnodes from failoverdomain %s: %s" %
(failoverdomain, _xpath))
_tmp1 = self.queryValue(_xpath)
return _tmp1
