def find_dependencies(self, nodePath, triggerRule="queued"):
"""
Return a list of nodePaths that need to be complete before the
input nodePath can be run.
"""
#cdpCommand = 'cdp -c "%s;info /%s"' % (self.cdpAlias, nodePath)
#newProcess = subprocess.Popen(cdpCommand, shell=True,
# stdin=subprocess.PIPE,
# stdout=subprocess.PIPE,
# stderr=subprocess.PIPE)
#stdoutData, stderrData = newProcess.communicate()
#stdoutList = [line for line in stdoutData.split("\n")if not line.startswith("#")]
cdpCommand = 'info /%s' % nodePath
stdoutList, stderrList, retCode = utils.run_cdp_command(
self.cdpAlias, cdpCommand)
triggers = []
triggerLine = False
for line in stdoutList:
if not triggerLine:
if line.startswith("Nodes that trigger this node"):
triggerLine = True
else:
if line.startswith("Goodbye"):
triggerLine = False
else:
triggerExp, triggerStatus = line.split()
triggerStatus = triggerStatus[
1:-1] # removing the square brackets
triggers.append((triggerExp, triggerStatus))
return [tExp for tExp, tRule in triggers if tRule == triggerRule]
def find_dependencies(self, nodePath, triggerRule="queued"):
"""
Return a list of nodePaths that need to be complete before the
input nodePath can be run.
"""
#cdpCommand = 'cdp -c "%s;info /%s"' % (self.cdpAlias, nodePath)
#newProcess = subprocess.Popen(cdpCommand, shell=True,
# stdin=subprocess.PIPE,
# stdout=subprocess.PIPE,
# stderr=subprocess.PIPE)
#stdoutData, stderrData = newProcess.communicate()
#stdoutList = [line for line in stdoutData.split("\n")if not line.startswith("#")]
cdpCommand = 'info /%s' % nodePath
stdoutList, stderrList, retCode = utils.run_cdp_command(self.cdpAlias,
cdpCommand)
triggers = []
triggerLine = False
for line in stdoutList:
if not triggerLine:
if line.startswith("Nodes that trigger this node"):
triggerLine = True
else:
if line.startswith("Goodbye"):
triggerLine = False
else:
triggerExp, triggerStatus = line.split()
triggerStatus = triggerStatus[1:-1] # removing the square brackets
triggers.append((triggerExp, triggerStatus))
return [tExp for tExp, tRule in triggers if tRule == triggerRule]
def cancel_node(self, nodePath):
"""
Run an external CDP command to cancel the node.
Inputs:
nodePath - A string specifying the CDP path to the node.
Returns: the return code of the external CDP process.
"""
cdpCancelCommand = 'cancel -yf %s' % nodePath
stdoutList, stderrList, returnCode = utils.run_cdp_command(
self.cdpAlias, cdpCancelCommand)
return returnCode
def cancel_node(self, nodePath):
"""
Run an external CDP command to cancel the node.
Inputs:
nodePath - A string specifying the CDP path to the node.
Returns: the return code of the external CDP process.
"""
cdpCancelCommand = 'cancel -yf %s' % nodePath
stdoutList, stderrList, returnCode = utils.run_cdp_command(
self.cdpAlias, cdpCancelCommand)
return returnCode
def get_node_status(self, nodePath):
"""
Run an external CDP command to get the status of a node.
Inputs:
nodePath - A string specifying the CDP path to the node.
Returns: The status of the input nodePath, or None.
"""
cdpStatusCommand = 'status -m full %s' % nodePath
stdoutList = utils.run_cdp_command(self.cdpAlias, cdpStatusCommand)[0]
statusLine = stdoutList[2]
foundStatus = re.search(r"[[{][a-z]+ *[]}]", statusLine)
if foundStatus is not None:
pathStatus = foundStatus.group()[1:-1].strip()
else:
pathStatus = None
return pathStatus
def get_node_status(self, nodePath):
"""
Run an external CDP command to get the status of a node.
Inputs:
nodePath - A string specifying the CDP path to the node.
Returns: The status of the input nodePath, or None.
"""
cdpStatusCommand = 'status -m full %s' % nodePath
stdoutList = utils.run_cdp_command(self.cdpAlias, cdpStatusCommand)[0]
statusLine = stdoutList[2]
foundStatus = re.search(r"[[{][a-z]+ *[]}]", statusLine)
if foundStatus is not None:
pathStatus = foundStatus.group()[1:-1].strip()
else:
pathStatus = None
return pathStatus
