def get_node_reservations():
"""
Return a dictionary where node is the key and RsvParent
is the value. Reservation must be Type == User and
have a SubType of StandingReservation.
"""
s = Scheduler()
# Dictionary where
node_reservations = {}
# Command to execute that returns some xml, initializes element tree.
r = et.fromstring(
s.doCommand( [ "mdiag", "--xml", '-r', ] )
)
# Element tree has data at the root, and likely 1 or more rsv children.
for q in r.findall( 'rsv' ):
# Instantiate a Reservation, where xml attributes map to object properties.
# q.attrib is a dictionary of attributes and their values.
rsv = Reservation( q.attrib )
#if rsv.Type == "User" and rsv.SubType == "StandingReservation" and rsv.RsvGroup != "iactive":
#if not is_private( rsv ):
if is_private( rsv ):
logging.debug( "Found reservation: %s", rsv.Name )
for n in rsv.AllocNodeList:
# Question here, any chance more than one reservation
# could include the same node, but with different
# RsvParents? Last in wins?
node_reservations[ n ] = rsv.RsvParent
logging.debug( "Added node %s to reserved node list", n )
return node_reservations
def get_jobs(all_jobs=False):
"""
Build up a dictionary of jobs. Key is job_id, value is
a list containing AllocNodeList, User and Account.
"""
s = Scheduler()
r = et.fromstring(
s.doCommand( [ "mdiag", "--xml", '-j', ] )
)
jobs = {}
for j in r.findall( 'job' ):
job = Job( dict( j.attrib.items() + j.find('req').items() ))
# Add all running jobs if --all, otherwise filter out preemptees.
if (job.State == 'Running' and all_jobs) or \
(job.State == 'Running' and "PREEMPTEE" not in job.Flags and not
all_jobs):
jobs[ job.JobID ] = [
job.AllocNodeList,
job.User,
job.Account,
]
return jobs
def get_counts(node_reservations, jobs):
"""
Provide counts for total public core usage and
broken down by user and account.
"""
s = Scheduler()
# create count of public nodes in campus class
r = et.fromstring(
s.doCommand( [ "mdiag", "--xml", '-n', ] )
)
public_nodes = []
public_cores = 0
logging.debug( "Looking for public nodes" )
for n in r.findall( 'node' ):
node = Node( n.attrib )
# When node.CFGCLASS does not contain 'campus', this is not a public
# node. Also skip if node has an associated reservation. Node
# is added to public_nodes list in all other cases.
if node.NODESTATE == 'Drained' or node.NODESTATE == 'Down':
logging.debug( "node %s is %s", node.NODEID, node.NODESTATE )
continue
if 'campus' not in node.CFGCLASS:
logging.debug( "node %s not in campus class", node.NODEID )
continue
if node.NODEID in node_reservations:
logging.debug( "node %s in private reservation %s", node.NODEID, node_reservations[ node.NODEID ] )
continue
public_nodes.append( node.NODEID )
logging.debug( "node %s added to public list", node.NODEID )
public_cores += node.RCPROC
logging.debug( "added %s cores from node %s added to public core total", node.RCPROC, node.NODEID )
cred_totals = {}
# { 'cred':cores }
# Copy the list to later subtract in-use nodes.
public_nodes_free = public_nodes[:]
for job in jobs.values():
logging.debug( "Counting job with creds %s", job )
for node in job[0]:
job_cred = job[1] + " (" + job[2] + ")"
if node in public_nodes:
logging.debug( "node %s is public", node )
o = [
job[0][node],
node,
'public',
job_cred,
]
# Remove public nodes that have at least one
# core in use from public_nodes_free
if node in public_nodes_free:
del public_nodes_free[public_nodes_free.index(node)]
try:
cred_totals[ job_cred ] = (
cred_totals[ job_cred ] + job[0][node]
)
except KeyError:
cred_totals[ job_cred ] = job[0][node]
logging.debug( "Nodes Free: %s", public_nodes_free )
logging.debug( "Cred totals: %s", cred_totals )
return cred_totals, public_cores, len(public_nodes), len(public_nodes_free)
logging.basicConfig( level=logging.WARNING )
try:
from mwm.scheduler import Scheduler
from mwm.mtypes import Reservation, Job, Node
except ImportError:
logging.exception( "Moab client libraries not found" )
sys.exit(1)
s = Scheduler()
# Collect reservations
# { reservation name:mwm.Reservation.Name }
reservations = {}
r = et.fromstring(
s.doCommand( [ "mdiag", "--xml", '-r', ] )
)
for q in r.findall( 'rsv' ):
rsv = Reservation( q.attrib )
reservations[ rsv.Name ] = rsv
logging.debug( "Added reservation: %s", rsv.Name )
# Collect jobs
# { jobid:mwm.Job.JobID }
jobs = {}
r = et.fromstring(
s.doCommand( [ "mdiag", "--xml", '-j', ] )
)
for q in r.findall( 'job' ):