def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# Message outputs.
self.outputs = TaskOutputs(tdef)
# Standard outputs.
self.outputs.add(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_STARTED)
self.outputs.add(TASK_OUTPUT_SUCCEEDED)
self.kill_failed = False
self.confirming_with_poll = False
def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# xtriggers (represented by labels) satisfied or not
self.xtriggers = {}
for label in tdef.xtrig_labels:
self.xtriggers[label] = False
if tdef.xclock_label:
self.xclock = (tdef.xclock_label, False)
else:
self.xclock = None
# Message outputs.
self.outputs = TaskOutputs(tdef)
self.kill_failed = False
def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# Message outputs.
self.outputs = TaskOutputs(tdef, point)
# Standard outputs.
self.outputs.add(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_STARTED)
self.outputs.add(TASK_OUTPUT_SUCCEEDED)
self.kill_failed = False
def __init__(self, status, point, identity, tdef, db_events_insert,
db_update_status, log):
self.status = status
self.identity = identity
self.db_events_insert = db_events_insert
self.db_update_status = db_update_status
self.log = log
self._recalc_satisfied = True
self._is_satisfied = False
self._suicide_is_satisfied = False
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, identity, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# Message outputs.
self.outputs = TaskOutputs(identity)
for outp in tdef.outputs:
self.outputs.add(outp.get_string(point))
# Standard outputs.
self.outputs.add(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_STARTED)
self.outputs.add(TASK_OUTPUT_SUCCEEDED)
self.kill_failed = False
self.hold_on_retry = False
self._state_pre_hold = None
self.run_mode = tdef.run_mode
# TODO - these are here because current use in reset_state(); should be
# disentangled and put in the task_proxy module.
self.submission_timer_timeout = None
self.execution_timer_timeout = None
def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.is_updated = False
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# xtriggers (represented by labels) satisfied or not
self.xtriggers = {}
for label in tdef.xtrig_labels:
self.xtriggers[label] = False
if tdef.xclock_label:
self.xclock = (tdef.xclock_label, False)
else:
self.xclock = None
# Message outputs.
self.outputs = TaskOutputs(tdef)
self.kill_failed = False
class TaskState(object):
"""Task status and utilities.
Attributes:
.external_triggers (dict):
External triggers as {trigger (str): satisfied (boolean), ...}.
.hold_swap (str):
While the task is in `held` status, this holds the actual status if
the task is not held. For tasks in `submitted` or `running`
statuses, setting this to `held` will cause the task to hold when
the task is reset to anything other than the `submitted` or
`running` statuses.
.identity (str):
The task ID as `TASK.CYCLE` associated with this object.
.is_updated (boolean):
Has the status been updated since previous update?
.kill_failed (boolean):
Has a job kill attempt failed since previous status change?
.outputs (cylc.task_outputs.TaskOutputs):
Known outputs of the task.
.prerequisites (list<cylc.prerequisite.Prerequisite>):
List of prerequisites of the task.
.status (str):
The current status of the task.
.suicide_prerequisites (list<cylc.prerequisite.Prerequisite>):
List of prerequisites that will cause the task to suicide.
.time_updated (str):
Time string of latest update time.
.xclock (tuple):
A tuple (clock_label (str), is_done (boolean)) to indicate if a
clock trigger is satisfied or not. Set to `None` if the task has no
clock trigger.
.xtriggers (dict):
xtriggers as {trigger (str): satisfied (boolean), ...}.
._is_satisfied (boolean):
Are prerequisites satisified?
._suicide_is_satisfied (boolean):
Are prerequisites to trigger suicide satisified?
"""
# Memory optimization - constrain possible attributes to this list.
__slots__ = [
"external_triggers",
"hold_swap",
"identity",
"is_updated",
"kill_failed",
"outputs",
"prerequisites",
"status",
"suicide_prerequisites",
"time_updated",
"xclock",
"xtriggers",
"_is_satisfied",
"_suicide_is_satisfied",
]
def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.is_updated = False
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# xtriggers (represented by labels) satisfied or not
self.xtriggers = {}
for label in tdef.xtrig_labels:
self.xtriggers[label] = False
if tdef.xclock_label:
self.xclock = (tdef.xclock_label, False)
else:
self.xclock = None
# Message outputs.
self.outputs = TaskOutputs(tdef)
self.kill_failed = False
def __str__(self):
"""Print status (hold_swap)."""
ret = self.status
if self.hold_swap:
ret += ' (%s)' % self.hold_swap
return ret
def satisfy_me(self, all_task_outputs):
"""Attempt to get my prerequisites satisfied."""
for prereqs in [self.prerequisites, self.suicide_prerequisites]:
for prereq in prereqs:
if prereq.satisfy_me(all_task_outputs):
self._is_satisfied = None
self._suicide_is_satisfied = None
def xtriggers_all_satisfied(self):
"""Return True if xclock and all xtriggers are satisfied."""
if self.xclock is not None and not self.xclock[1]:
return False
return all(self.xtriggers.values())
def prerequisites_are_all_satisfied(self):
"""Return True if (non-suicide) prerequisites are fully satisfied."""
if self._is_satisfied is None:
self._is_satisfied = all(preq.is_satisfied()
for preq in self.prerequisites)
return self._is_satisfied
def prerequisites_are_not_all_satisfied(self):
"""Return True if (any) prerequisites are not fully satisfied."""
return (not self.prerequisites_are_all_satisfied()
or not self.suicide_prerequisites_are_all_satisfied())
def suicide_prerequisites_are_all_satisfied(self):
"""Return True if all suicide prerequisites are satisfied."""
if self._suicide_is_satisfied is None:
self._suicide_is_satisfied = all(
preq.is_satisfied() for preq in self.suicide_prerequisites)
return self._suicide_is_satisfied
def prerequisites_get_target_points(self):
"""Return a list of cycle points targeted by each prerequisite."""
return set(point for prerequisite in self.prerequisites
for point in prerequisite.get_target_points())
def prerequisites_eval_all(self):
"""Set all prerequisites to satisfied."""
# (Validation: will abort on illegal trigger expressions.)
for preqs in [self.prerequisites, self.suicide_prerequisites]:
for preq in preqs:
preq.is_satisfied()
def set_prerequisites_all_satisfied(self):
"""Set prerequisites to all satisfied."""
for prereq in self.prerequisites:
prereq.set_satisfied()
self._is_satisfied = None
def set_prerequisites_not_satisfied(self):
"""Reset prerequisites."""
for prereq in self.prerequisites:
prereq.set_not_satisfied()
self._is_satisfied = None
def prerequisites_dump(self, list_prereqs=False):
"""Dump prerequisites."""
if list_prereqs:
return [
Prerequisite.MESSAGE_TEMPLATE % msg
for prereq in self.prerequisites
for msg in sorted(prereq.satisfied)
]
else:
return [x for prereq in self.prerequisites for x in prereq.dump()]
def get_resolved_dependencies(self):
"""Return a list of dependencies which have been met for this task.
E.G: ['foo.1', 'bar.2']
The returned list is sorted to allow comparison with reference run
task with lots of near-simultaneous triggers.
"""
return list(
sorted(dep for prereq in self.prerequisites
for dep in prereq.get_resolved_dependencies()))
def set_held(self):
"""Set state to TASK_STATUS_HELD, if possible.
If state can be held, set hold_swap to current state.
If state is active, set hold_swap to TASK_STATUS_HELD.
If state cannot be held, do nothing.
Return:
A 2-element tuple with the previous value of (status, hold_swap)
on change of status, or None if no change.
"""
if self.status in TASK_STATUSES_ACTIVE:
self.hold_swap = TASK_STATUS_HELD
return (self.status, self.hold_swap)
elif self.status in [
TASK_STATUS_WAITING, TASK_STATUS_QUEUED,
TASK_STATUS_SUBMIT_RETRYING, TASK_STATUS_RETRYING
]:
return self._set_state(TASK_STATUS_HELD)
def unset_held(self):
"""Reset to my pre-held state, if not beyond the stop point.
Return:
A 2-element tuple with the previous value of (status, hold_swap)
on change of status, or None if no change.
"""
if self.status != TASK_STATUS_HELD:
return
elif self.hold_swap is None:
return self.reset_state(TASK_STATUS_WAITING)
elif self.hold_swap == TASK_STATUS_HELD:
self.hold_swap = None
return (self.status, self.hold_swap)
else:
return self.reset_state(self.hold_swap)
def reset_state(self, status):
"""Change status, and manipulate outputs and prerequisites accordingly.
Outputs are manipulated on manual state reset to reflect the new task
status, except for custom outputs on reset to succeeded or later -
these can be completed if need be using "cylc reset --output".
Prerequisites, which reflect the state of *other tasks*, are not
manipulated, except to unset them on reset to waiting or earlier.
(TODO - we should not do this - see GitHub #2329).
Note this method could take an additional argument to distinguish
internal and manually forced state changes, if needed.
The held state is handled in set/unset_held() for swap-state handling.
Return:
A 2-element tuple with the previous value of (status, hold_swap)
on change of status, or None if no change.
"""
self.kill_failed = False
# Set standard outputs in accordance with task state.
if status_leq(status, TASK_STATUS_SUBMITTED):
self.outputs.set_all_incomplete()
self.outputs.set_completion(TASK_OUTPUT_EXPIRED,
status == TASK_STATUS_EXPIRED)
self.outputs.set_completion(TASK_OUTPUT_SUBMITTED,
status_geq(status, TASK_STATUS_SUBMITTED))
self.outputs.set_completion(TASK_OUTPUT_STARTED,
status_geq(status, TASK_STATUS_RUNNING))
self.outputs.set_completion(TASK_OUTPUT_SUBMIT_FAILED,
status == TASK_STATUS_SUBMIT_FAILED)
self.outputs.set_completion(TASK_OUTPUT_SUCCEEDED,
status == TASK_STATUS_SUCCEEDED)
self.outputs.set_completion(TASK_OUTPUT_FAILED,
status == TASK_STATUS_FAILED)
# Unset prerequisites on reset to waiting (see docstring).
if status == TASK_STATUS_WAITING:
self.set_prerequisites_not_satisfied()
return self._set_state(status)
def _set_state(self, status):
"""Set, log and record task status (normal change, not forced - don't
update task_events table)."""
if self.status == self.hold_swap:
self.hold_swap = None
if status == self.status and self.hold_swap is None:
return
prev_status, prev_hold_swap = self.status, self.hold_swap
if status == TASK_STATUS_HELD:
self.hold_swap = self.status
elif status in TASK_STATUSES_ACTIVE:
if self.status == TASK_STATUS_HELD:
self.hold_swap = TASK_STATUS_HELD
elif (self.hold_swap == TASK_STATUS_HELD
and status not in TASK_STATUSES_FINAL):
self.hold_swap = status
status = TASK_STATUS_HELD
elif self.hold_swap:
self.hold_swap = None
self.status = status
self.time_updated = get_current_time_string()
self.is_updated = True
# Log
message = str(prev_status)
if prev_hold_swap:
message += " (%s)" % prev_hold_swap
message += " => %s" % self.status
if self.hold_swap:
message += " (%s)" % self.hold_swap
LOG.debug("[%s] -%s", self.identity, message)
return (prev_status, prev_hold_swap)
def is_gt(self, status):
""""Return True if self.status > status."""
return (TASK_STATUSES_ORDERED.index(self.status) >
TASK_STATUSES_ORDERED.index(status))
def _add_prerequisites(self, point, tdef):
"""Add task prerequisites."""
# Triggers for sequence_i only used if my cycle point is a
# valid member of sequence_i's sequence of cycle points.
self._is_satisfied = None
self._suicide_is_satisfied = None
for sequence, dependencies in tdef.dependencies.items():
if not sequence.is_valid(point):
continue
for dependency in dependencies:
cpre = dependency.get_prerequisite(point, tdef)
if dependency.suicide:
self.suicide_prerequisites.append(cpre)
else:
self.prerequisites.append(cpre)
if tdef.sequential:
# Add a previous-instance succeeded prerequisite.
p_prev = None
adjusted = []
for seq in tdef.sequences:
prv = seq.get_nearest_prev_point(point)
if prv:
# None if out of sequence bounds.
adjusted.append(prv)
if adjusted:
p_prev = max(adjusted)
cpre = Prerequisite(point, tdef.start_point)
cpre.add(tdef.name, p_prev, TASK_STATUS_SUCCEEDED,
p_prev < tdef.start_point)
cpre.set_condition(tdef.name)
self.prerequisites.append(cpre)
class TaskState(object):
"""Task status and utilities."""
# Associate status names with other properties.
_STATUS_MAP = {
TASK_STATUS_RUNAHEAD: {
"gtk_label": "r_unahead", # GTK widget labels.
"ascii_ctrl": "\033[1;37;44m" # Terminal color control codes.
},
TASK_STATUS_WAITING: {
"gtk_label": "_waiting",
"ascii_ctrl": "\033[1;36m"
},
TASK_STATUS_HELD: {
"gtk_label": "_held",
"ascii_ctrl": "\033[1;37;43m"
},
TASK_STATUS_QUEUED: {
"gtk_label": "_queued",
"ascii_ctrl": "\033[1;38;44m"
},
TASK_STATUS_READY: {
"gtk_label": "rea_dy",
"ascii_ctrl": "\033[1;32m"
},
TASK_STATUS_EXPIRED: {
"gtk_label": "e_xpired",
"ascii_ctrl": "\033[1;37;40m"
},
TASK_STATUS_SUBMITTED: {
"gtk_label": "sub_mitted",
"ascii_ctrl": "\033[1;33m"
},
TASK_STATUS_SUBMIT_FAILED: {
"gtk_label": "submit-f_ailed",
"ascii_ctrl": "\033[1;34m"
},
TASK_STATUS_SUBMIT_RETRYING: {
"gtk_label": "submit-retryin_g",
"ascii_ctrl": "\033[1;31m"
},
TASK_STATUS_RUNNING: {
"gtk_label": "_running",
"ascii_ctrl": "\033[1;37;42m"
},
TASK_STATUS_SUCCEEDED: {
"gtk_label": "_succeeded",
"ascii_ctrl": "\033[0m"
},
TASK_STATUS_FAILED: {
"gtk_label": "_failed",
"ascii_ctrl": "\033[1;37;41m"
},
TASK_STATUS_RETRYING: {
"gtk_label": "retr_ying",
"ascii_ctrl": "\033[1;35m"
}
}
@classmethod
def get_status_prop(cls, status, key, subst=None):
"""Return property for a task status."""
if key == "ascii_ctrl":
if subst is not None:
return "%s%s\033[0m" % (cls._STATUS_MAP[status][key], subst)
else:
return "%s%s\033[0m" % (cls._STATUS_MAP[status][key], status)
try:
return cls._STATUS_MAP[status][key]
except KeyError:
raise TaskStateError("Bad task status (%s, %s)" % (status, key))
def __init__(self, status, point, identity, tdef, db_events_insert,
db_update_status, log):
self.status = status
self.identity = identity
self.db_events_insert = db_events_insert
self.db_update_status = db_update_status
self.log = log
self._recalc_satisfied = True
self._is_satisfied = False
self._suicide_is_satisfied = False
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, identity, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# Message outputs.
self.outputs = TaskOutputs(identity)
for outp in tdef.outputs:
self.outputs.add(outp.get_string(point))
# Standard outputs.
self.outputs.add(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_STARTED)
self.outputs.add(TASK_OUTPUT_SUCCEEDED)
self.kill_failed = False
self.hold_on_retry = False
self._state_pre_hold = None
self.run_mode = tdef.run_mode
# TODO - these are here because current use in reset_state(); should be
# disentangled and put in the task_proxy module.
self.submission_timer_timeout = None
self.execution_timer_timeout = None
def satisfy_me(self, task_output_msgs, task_outputs):
"""Attempt to get my prerequisites satisfied."""
self._recalc_satisfied = False
for preqs in [self.prerequisites, self.suicide_prerequisites]:
for preq in preqs:
if preq.satisfy_me(task_output_msgs, task_outputs):
self._recalc_satisfied = True
def prerequisites_are_all_satisfied(self):
"""Return True if (non-suicide) prerequisites are fully satisfied."""
if self._recalc_satisfied:
self._is_satisfied = all(
preq.is_satisfied() for preq in self.prerequisites)
return self._is_satisfied
def prerequisites_are_not_all_satisfied(self):
"""Return True if (any) prerequisites are not fully satisfied."""
if self._recalc_satisfied:
return (not self.prerequisites_are_all_satisfied() or
not self.suicide_prerequisites_are_all_satisfied())
return (not self._is_satisfied or not self._suicide_is_satisfied)
def suicide_prerequisites_are_all_satisfied(self):
"""Return True if all suicide prerequisites are satisfied."""
if self._recalc_satisfied:
self._suicide_is_satisfied = all(
preq.is_satisfied() for preq in self.suicide_prerequisites)
return self._suicide_is_satisfied
def prerequisites_get_target_points(self):
"""Return a list of cycle points targetted by each prerequisite."""
points = []
for preq in self.prerequisites:
points += preq.get_target_points()
return points
def prerequisites_eval_all(self):
"""Set all prerequisites to satisfied."""
# (Validation: will abort on illegal trigger expressions.)
for preqs in [self.prerequisites, self.suicide_prerequisites]:
for preq in preqs:
preq.is_satisfied()
def set_prerequisites_all_satisfied(self):
"""Set prerequisites to all satisfied."""
for prereq in self.prerequisites:
prereq.set_satisfied()
self._recalc_satisfied = True
def set_prerequisites_not_satisfied(self):
"""Reset prerequisites."""
for prereq in self.prerequisites:
prereq.set_not_satisfied()
self._recalc_satisfied = True
def prerequisites_dump(self):
"""Dump prerequisites."""
res = []
for preq in self.prerequisites:
res += preq.dump()
return res
def get_resolved_dependencies(self):
"""Report who I triggered off."""
satby = {}
for req in self.prerequisites:
satby.update(req.satisfied_by)
dep = satby.values()
# order does not matter here; sort to allow comparison with
# reference run task with lots of near-simultaneous triggers.
dep.sort()
return dep
def unset_special_outputs(self):
"""Remove special outputs added for triggering purposes.
(Otherwise they appear as incomplete outputs when the task finishes).
"""
self.hold_on_retry = False
self.kill_failed = False
self.outputs.remove(TASK_OUTPUT_EXPIRED)
self.outputs.remove(TASK_OUTPUT_SUBMIT_FAILED)
self.outputs.remove(TASK_OUTPUT_FAILED)
def release(self):
"""Reset to my pre-held state, if not beyond the stop point."""
self.hold_on_retry = False
if not self.status == TASK_STATUS_HELD:
return
if self._state_pre_hold is None:
self.reset_state(TASK_STATUS_WAITING)
return
old_status = self._state_pre_hold
self._state_pre_hold = None
self.log(INFO, 'held => %s' % (old_status))
# Turn off submission and execution timeouts.
self.submission_timer_timeout = None
self.execution_timer_timeout = None
self.set_state(old_status)
def set_state(self, status):
"""Set, log and record task status (normal change, not forced - don't
update task_events table)."""
if status != self.status:
flags.iflag = True
self.log(DEBUG, '(setting: %s)' % status)
self.status = status
self.db_update_status()
def reset_state(self, status):
"""Reset status of task."""
if status == TASK_STATUS_HELD:
if self.status in TASK_STATUSES_ACTIVE:
self.hold_on_retry = True
return
if self.status not in [
TASK_STATUS_WAITING, TASK_STATUS_QUEUED,
TASK_STATUS_SUBMIT_RETRYING, TASK_STATUS_RETRYING]:
return
self._state_pre_hold = self.status
self.log(INFO, '%s => held' % self._state_pre_hold)
# Turn off submission and execution timeouts.
self.submission_timer_timeout = None
self.execution_timer_timeout = None
self.set_state(status)
if status == TASK_STATUS_EXPIRED:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
self.outputs.add(TASK_OUTPUT_EXPIRED, True)
elif status == TASK_STATUS_WAITING:
self.set_prerequisites_not_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
elif status == TASK_STATUS_READY:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
elif status == TASK_STATUS_SUCCEEDED:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
# TODO - for message outputs this should be optional (see #1551):
self.outputs.set_all_completed()
elif status == TASK_STATUS_FAILED:
self.set_prerequisites_all_satisfied()
self.hold_on_retry = False
self.outputs.set_all_incomplete()
# Set a new failed output just as if a failure message came in
self.outputs.add(TASK_OUTPUT_FAILED, True)
# TODO - handle other state resets here too, such as retrying...?
def is_ready_to_run(self, retry_delay_done, start_time_reached):
"""With current status, is the task ready to run?"""
return (
(
(
self.status == TASK_STATUS_WAITING and
self.prerequisites_are_all_satisfied() and
all(self.external_triggers.values())
) or
(
self.status in [TASK_STATUS_SUBMIT_RETRYING,
TASK_STATUS_RETRYING] and
retry_delay_done
)
) and start_time_reached
)
def is_greater_than(self, status):
""""Return True if self.status > status."""
return (TASK_STATUSES_ORDERED.index(self.status) >
TASK_STATUSES_ORDERED.index(status))
def set_expired(self):
"""Manipulate state for task expired."""
self.reset_state(TASK_STATUS_EXPIRED)
def set_ready_to_submit(self):
"""Manipulate state just prior to job submission."""
self.set_state(TASK_STATUS_READY)
def set_submit_failed(self):
"""Manipulate state after job submission failure."""
self.set_state(TASK_STATUS_SUBMIT_FAILED)
self.outputs.remove(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_SUBMIT_FAILED, True)
def set_submit_retry(self):
"""Manipulate state for job submission retry."""
self.outputs.remove(TASK_OUTPUT_SUBMITTED)
self.set_state(TASK_STATUS_SUBMIT_RETRYING)
self.set_prerequisites_all_satisfied()
if self.hold_on_retry:
self.reset_state(TASK_STATUS_HELD)
def set_submit_succeeded(self):
"""Set status to submitted."""
if not self.outputs.is_completed(TASK_OUTPUT_SUBMITTED):
self.outputs.set_completed(TASK_OUTPUT_SUBMITTED)
# Allow submitted tasks to spawn even if nothing else is happening.
flags.pflag = True
if self.status == TASK_STATUS_READY:
# In rare occassions, the submit command of a batch system has sent
# the job to its server, and the server has started the job before
# the job submit command returns.
self.set_state(TASK_STATUS_SUBMITTED)
return True
else:
return False
def set_executing(self):
"""Manipulate state for job execution."""
self.set_state(TASK_STATUS_RUNNING)
if self.run_mode == 'simulation':
self.outputs.set_completed(TASK_OUTPUT_STARTED)
def set_execution_succeeded(self, msg_was_polled):
"""Manipulate state for job execution success."""
self.set_state(TASK_STATUS_SUCCEEDED)
if not self.outputs.all_completed():
err = "Succeeded with unreported outputs:"
for key in self.outputs.not_completed:
err += "\n " + key
self.log(WARNING, err)
if msg_was_polled:
# Assume all outputs complete (e.g. poll at restart).
# TODO - just poll for outputs in the job status file.
self.log(WARNING, "Assuming ALL outputs completed.")
self.outputs.set_all_completed()
else:
# A succeeded task MUST have submitted and started.
# TODO - just poll for outputs in the job status file?
for output in [TASK_OUTPUT_SUBMITTED, TASK_OUTPUT_STARTED]:
if not self.outputs.is_completed(output):
self.log(WARNING,
"Assuming output completed: \n %s" % output)
self.outputs.set_completed(output)
def set_execution_failed(self):
"""Manipulate state for job execution failure."""
self.reset_state(TASK_STATUS_FAILED)
def set_execution_retry(self):
"""Manipulate state for job execution retry."""
self.set_state(TASK_STATUS_RETRYING)
self.set_prerequisites_all_satisfied()
if self.hold_on_retry:
self.reset_state(TASK_STATUS_HELD)
def record_output(self, msg, msg_was_polled):
"""Record a completed output."""
if self.outputs.exists(msg):
if not self.outputs.is_completed(msg):
flags.pflag = True
self.outputs.set_completed(msg)
self.db_events_insert(event="output completed", message=msg)
elif not msg_was_polled:
# This output has already been reported complete. Not an error
# condition - maybe the network was down for a bit. Ok for
# polling as multiple polls *should* produce the same result.
self.log(WARNING,
"Unexpected output (already completed):\n " + msg)
def _add_prerequisites(self, point, identity, tdef):
"""Add task prerequisites."""
# self.triggers[sequence] = [triggers for sequence]
# Triggers for sequence_i only used if my cycle point is a
# valid member of sequence_i's sequence of cycle points.
self._recalc_satisfied = True
for sequence, exps in tdef.triggers.items():
for ctrig, exp in exps:
key = ctrig.keys()[0]
if not sequence.is_valid(point):
# This trigger is not valid for current cycle (see NOTE
# just above)
continue
cpre = Prerequisite(identity, point, tdef.start_point)
for label in ctrig:
trig = ctrig[label]
if trig.graph_offset_string is not None:
prereq_offset_point = get_point_relative(
trig.graph_offset_string, point)
if prereq_offset_point > point:
prereq_offset = prereq_offset_point - point
if (tdef.max_future_prereq_offset is None or
(prereq_offset >
tdef.max_future_prereq_offset)):
tdef.max_future_prereq_offset = (
prereq_offset)
cpre.add(trig.get_prereq(point), label,
((prereq_offset_point < tdef.start_point) &
(point >= tdef.start_point)))
else:
cpre.add(trig.get_prereq(point), label)
cpre.set_condition(exp)
if ctrig[key].suicide:
self.suicide_prerequisites.append(cpre)
else:
self.prerequisites.append(cpre)
if tdef.sequential:
# Add a previous-instance succeeded prerequisite.
p_prev = None
adjusted = []
for seq in tdef.sequences:
prv = seq.get_nearest_prev_point(point)
if prv:
# None if out of sequence bounds.
adjusted.append(prv)
if adjusted:
p_prev = max(adjusted)
cpre = Prerequisite(identity, point, tdef.start_point)
prereq = "%s %s" % (TaskID.get(tdef.name, p_prev),
TASK_STATUS_SUCCEEDED)
label = tdef.name
cpre.add(prereq, label, p_prev < tdef.start_point)
cpre.set_condition(label)
self.prerequisites.append(cpre)
class TaskState(object):
"""Task status and utilities."""
# Memory optimization - constrain possible attributes to this list.
__slots__ = [
"identity", "status", "hold_swap", "_is_satisfied",
"_suicide_is_satisfied", "prerequisites", "suicide_prerequisites",
"external_triggers", "outputs", "kill_failed", "time_updated",
"confirming_with_poll"
]
def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# Message outputs.
self.outputs = TaskOutputs(tdef)
# Standard outputs.
self.outputs.add(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_STARTED)
self.outputs.add(TASK_OUTPUT_SUCCEEDED)
self.kill_failed = False
self.confirming_with_poll = False
def satisfy_me(self, all_task_outputs):
"""Attempt to get my prerequisites satisfied."""
for prereqs in [self.prerequisites, self.suicide_prerequisites]:
for prereq in prereqs:
if prereq.satisfy_me(all_task_outputs):
self._is_satisfied = None
self._suicide_is_satisfied = None
def prerequisites_are_all_satisfied(self):
"""Return True if (non-suicide) prerequisites are fully satisfied."""
if self._is_satisfied is None:
self._is_satisfied = all(preq.is_satisfied()
for preq in self.prerequisites)
return self._is_satisfied
def prerequisites_are_not_all_satisfied(self):
"""Return True if (any) prerequisites are not fully satisfied."""
return (not self.prerequisites_are_all_satisfied()
or not self.suicide_prerequisites_are_all_satisfied())
def suicide_prerequisites_are_all_satisfied(self):
"""Return True if all suicide prerequisites are satisfied."""
if self._suicide_is_satisfied is None:
self._suicide_is_satisfied = all(
preq.is_satisfied() for preq in self.suicide_prerequisites)
return self._suicide_is_satisfied
def prerequisites_get_target_points(self):
"""Return a list of cycle points targeted by each prerequisite."""
return set(point for prerequisite in self.prerequisites
for point in prerequisite.get_target_points())
def prerequisites_eval_all(self):
"""Set all prerequisites to satisfied."""
# (Validation: will abort on illegal trigger expressions.)
for preqs in [self.prerequisites, self.suicide_prerequisites]:
for preq in preqs:
preq.is_satisfied()
def set_prerequisites_all_satisfied(self):
"""Set prerequisites to all satisfied."""
for prereq in self.prerequisites:
prereq.set_satisfied()
self._is_satisfied = None
def set_prerequisites_not_satisfied(self):
"""Reset prerequisites."""
for prereq in self.prerequisites:
prereq.set_not_satisfied()
self._is_satisfied = None
def prerequisites_dump(self, list_prereqs=False):
"""Dump prerequisites."""
if list_prereqs:
return [
Prerequisite.MESSAGE_TEMPLATE % msg
for prereq in self.prerequisites
for msg in sorted(prereq.satisfied)
]
else:
return [x for prereq in self.prerequisites for x in prereq.dump()]
def get_resolved_dependencies(self):
"""Return a list of dependencies which have been met for this task.
E.G: ['foo.1', 'bar.2']
The returned list is sorted to allow comparison with reference run
task with lots of near-simultaneous triggers.
"""
return list(
sorted(dep for prereq in self.prerequisites
for dep in prereq.get_resolved_dependencies()))
def unset_special_outputs(self):
"""Remove special outputs added for triggering purposes.
(Otherwise they appear as incomplete outputs when the task finishes).
"""
self.kill_failed = False
self.outputs.remove(TASK_OUTPUT_EXPIRED)
self.outputs.remove(TASK_OUTPUT_SUBMIT_FAILED)
self.outputs.remove(TASK_OUTPUT_FAILED)
def set_held(self):
"""Set state to TASK_STATUS_HELD, if possible.
If state can be held, set hold_swap to current state.
If state is active, set hold_swap to TASK_STATUS_HELD.
If state cannot be held, do nothing.
"""
if self.status in TASK_STATUSES_ACTIVE:
self.hold_swap = TASK_STATUS_HELD
return
elif self.status in [
TASK_STATUS_WAITING, TASK_STATUS_QUEUED,
TASK_STATUS_SUBMIT_RETRYING, TASK_STATUS_RETRYING
]:
return self._set_state(TASK_STATUS_HELD)
def unset_held(self):
"""Reset to my pre-held state, if not beyond the stop point."""
if self.status != TASK_STATUS_HELD:
return
elif self.hold_swap is None:
self.reset_state(TASK_STATUS_WAITING)
elif self.hold_swap == TASK_STATUS_HELD:
self.hold_swap = None
else:
self.reset_state(self.hold_swap)
def reset_state(self, status):
"""Reset status of task."""
if status == TASK_STATUS_EXPIRED:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
self.outputs.add(TASK_OUTPUT_EXPIRED, is_completed=True)
elif status == TASK_STATUS_WAITING:
self.set_prerequisites_not_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
elif status == TASK_STATUS_READY:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
elif status == TASK_STATUS_SUBMITTED:
self.set_prerequisites_all_satisfied()
self.outputs.set_completion(TASK_OUTPUT_SUBMITTED, True)
# In case of manual reset, set final outputs incomplete (but assume
# completed message outputs remain completed).
self.outputs.set_completion(TASK_OUTPUT_SUCCEEDED, False)
self.outputs.set_completion(TASK_OUTPUT_FAILED, False)
elif status == TASK_STATUS_RUNNING:
self.set_prerequisites_all_satisfied()
self.outputs.set_completion(TASK_OUTPUT_SUBMITTED, True)
self.outputs.set_completion(TASK_OUTPUT_STARTED, True)
# In case of manual reset, set final outputs incomplete (but assume
# completed message outputs remain completed).
self.outputs.set_completion(TASK_OUTPUT_SUCCEEDED, False)
self.outputs.set_completion(TASK_OUTPUT_FAILED, False)
elif status == TASK_STATUS_SUBMIT_RETRYING:
self.set_prerequisites_all_satisfied()
self.outputs.remove(TASK_OUTPUT_SUBMITTED)
elif status == TASK_STATUS_SUBMIT_FAILED:
self.set_prerequisites_all_satisfied()
self.outputs.remove(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_SUBMIT_FAILED, is_completed=True)
elif status == TASK_STATUS_SUCCEEDED:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
self.outputs.set_completion(TASK_OUTPUT_SUBMITTED, True)
self.outputs.set_completion(TASK_OUTPUT_STARTED, True)
self.outputs.set_completion(TASK_OUTPUT_SUCCEEDED, True)
elif status == TASK_STATUS_RETRYING:
self.set_prerequisites_all_satisfied()
self.outputs.set_all_incomplete()
elif status == TASK_STATUS_FAILED:
self.set_prerequisites_all_satisfied()
self.outputs.set_all_incomplete()
# Set a new failed output just as if a failure message came in
self.outputs.add(TASK_OUTPUT_FAILED, is_completed=True)
return self._set_state(status)
def _set_state(self, status):
"""Set, log and record task status (normal change, not forced - don't
update task_events table)."""
if self.status == self.hold_swap:
self.hold_swap = None
if status == self.status and self.hold_swap is None:
return
o_status, o_hold_swap = self.status, self.hold_swap
if status == TASK_STATUS_HELD:
self.hold_swap = self.status
elif status in TASK_STATUSES_ACTIVE:
if self.status == TASK_STATUS_HELD:
self.hold_swap = TASK_STATUS_HELD
elif (self.hold_swap == TASK_STATUS_HELD
and status not in TASK_STATUSES_FINAL):
self.hold_swap = status
status = TASK_STATUS_HELD
elif self.hold_swap:
self.hold_swap = None
self.status = status
self.time_updated = get_current_time_string()
flags.iflag = True
# Log
message = str(o_status)
if o_hold_swap:
message += " (%s)" % o_hold_swap
message += " => %s" % self.status
if self.hold_swap:
message += " (%s)" % self.hold_swap
LOG.debug(message, itask=self.identity)
def is_greater_than(self, status):
""""Return True if self.status > status."""
return (TASK_STATUSES_ORDERED.index(self.status) >
TASK_STATUSES_ORDERED.index(status))
def _add_prerequisites(self, point, tdef):
"""Add task prerequisites."""
# Triggers for sequence_i only used if my cycle point is a
# valid member of sequence_i's sequence of cycle points.
self._is_satisfied = None
self._suicide_is_satisfied = None
for sequence, dependencies in tdef.dependencies.items():
if not sequence.is_valid(point):
continue
for dependency in dependencies:
cpre = dependency.get_prerequisite(point, tdef)
if dependency.suicide:
self.suicide_prerequisites.append(cpre)
else:
self.prerequisites.append(cpre)
if tdef.sequential:
# Add a previous-instance succeeded prerequisite.
p_prev = None
adjusted = []
for seq in tdef.sequences:
prv = seq.get_nearest_prev_point(point)
if prv:
# None if out of sequence bounds.
adjusted.append(prv)
if adjusted:
p_prev = max(adjusted)
cpre = Prerequisite(point, tdef.start_point)
cpre.add(tdef.name, p_prev, TASK_STATUS_SUCCEEDED,
p_prev < tdef.start_point)
cpre.set_condition(tdef.name)
self.prerequisites.append(cpre)
class TaskState(object):
"""Task status and utilities."""
# Memory optimization - constrain possible attributes to this list.
__slots__ = ["identity", "status", "hold_swap",
"_is_satisfied", "_suicide_is_satisfied", "prerequisites",
"suicide_prerequisites", "external_triggers", "outputs",
"kill_failed", "time_updated"]
def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# Message outputs.
self.outputs = TaskOutputs(tdef, point)
# Standard outputs.
self.outputs.add(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_STARTED)
self.outputs.add(TASK_OUTPUT_SUCCEEDED)
self.kill_failed = False
def satisfy_me(self, task_output_msgs, task_outputs):
"""Attempt to get my prerequisites satisfied."""
for preqs in [self.prerequisites, self.suicide_prerequisites]:
for preq in preqs:
if preq.satisfy_me(task_output_msgs, task_outputs):
self._is_satisfied = None
self._suicide_is_satisfied = None
def prerequisites_are_all_satisfied(self):
"""Return True if (non-suicide) prerequisites are fully satisfied."""
if self._is_satisfied is None:
self._is_satisfied = all(
preq.is_satisfied() for preq in self.prerequisites)
return self._is_satisfied
def prerequisites_are_not_all_satisfied(self):
"""Return True if (any) prerequisites are not fully satisfied."""
return (not self.prerequisites_are_all_satisfied() or
not self.suicide_prerequisites_are_all_satisfied())
def suicide_prerequisites_are_all_satisfied(self):
"""Return True if all suicide prerequisites are satisfied."""
if self._suicide_is_satisfied is None:
self._suicide_is_satisfied = all(
preq.is_satisfied() for preq in self.suicide_prerequisites)
return self._suicide_is_satisfied
def prerequisites_get_target_points(self):
"""Return a list of cycle points targeted by each prerequisite."""
points = []
for preq in self.prerequisites:
points += preq.get_target_points()
return points
def prerequisites_eval_all(self):
"""Set all prerequisites to satisfied."""
# (Validation: will abort on illegal trigger expressions.)
for preqs in [self.prerequisites, self.suicide_prerequisites]:
for preq in preqs:
preq.is_satisfied()
def set_prerequisites_all_satisfied(self):
"""Set prerequisites to all satisfied."""
for prereq in self.prerequisites:
prereq.set_satisfied()
self._is_satisfied = None
def set_prerequisites_not_satisfied(self):
"""Reset prerequisites."""
for prereq in self.prerequisites:
prereq.set_not_satisfied()
self._is_satisfied = None
def prerequisites_dump(self, list_prereqs=False):
"""Dump prerequisites."""
res = []
if list_prereqs:
for prereq in self.prerequisites:
for task in sorted(prereq.messages):
res.append(task)
else:
for preq in self.prerequisites:
res += preq.dump()
return res
def get_resolved_dependencies(self):
"""Report who I triggered off."""
satby = {}
for req in self.prerequisites:
satby.update(req.satisfied_by)
dep = satby.values()
# order does not matter here; sort to allow comparison with
# reference run task with lots of near-simultaneous triggers.
dep.sort()
return dep
def unset_special_outputs(self):
"""Remove special outputs added for triggering purposes.
(Otherwise they appear as incomplete outputs when the task finishes).
"""
self.kill_failed = False
self.outputs.remove(TASK_OUTPUT_EXPIRED)
self.outputs.remove(TASK_OUTPUT_SUBMIT_FAILED)
self.outputs.remove(TASK_OUTPUT_FAILED)
def set_held(self):
"""Set state to TASK_STATUS_HELD, if possible.
If state can be held, set hold_swap to current state.
If state is active, set hold_swap to TASK_STATUS_HELD.
If state cannot be held, do nothing.
"""
if self.status in TASK_STATUSES_ACTIVE:
self.hold_swap = TASK_STATUS_HELD
return
elif self.status in [
TASK_STATUS_WAITING, TASK_STATUS_QUEUED,
TASK_STATUS_SUBMIT_RETRYING, TASK_STATUS_RETRYING]:
return self._set_state(TASK_STATUS_HELD)
def unset_held(self):
"""Reset to my pre-held state, if not beyond the stop point."""
if self.status != TASK_STATUS_HELD:
return
elif self.hold_swap is None:
self.reset_state(TASK_STATUS_WAITING)
elif self.hold_swap == TASK_STATUS_HELD:
self.hold_swap = None
else:
self.reset_state(self.hold_swap)
def reset_state(self, status):
"""Reset status of task."""
if status == TASK_STATUS_EXPIRED:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
self.outputs.add(TASK_OUTPUT_EXPIRED, is_completed=True)
elif status == TASK_STATUS_WAITING:
self.set_prerequisites_not_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
elif status == TASK_STATUS_READY:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
self.outputs.set_all_incomplete()
elif status == TASK_STATUS_SUBMITTED:
self.set_prerequisites_all_satisfied()
self.outputs.set_completed(TASK_OUTPUT_SUBMITTED)
elif status == TASK_STATUS_SUBMIT_RETRYING:
self.set_prerequisites_all_satisfied()
self.outputs.remove(TASK_OUTPUT_SUBMITTED)
elif status == TASK_STATUS_SUBMIT_FAILED:
self.set_prerequisites_all_satisfied()
self.outputs.remove(TASK_OUTPUT_SUBMITTED)
self.outputs.add(TASK_OUTPUT_SUBMIT_FAILED, is_completed=True)
elif status == TASK_STATUS_SUCCEEDED:
self.set_prerequisites_all_satisfied()
self.unset_special_outputs()
self.outputs.set_completed(TASK_OUTPUT_SUBMITTED)
self.outputs.set_completed(TASK_OUTPUT_STARTED)
self.outputs.set_completed(TASK_OUTPUT_SUCCEEDED)
elif status == TASK_STATUS_RETRYING:
self.set_prerequisites_all_satisfied()
self.outputs.set_all_incomplete()
elif status == TASK_STATUS_FAILED:
self.set_prerequisites_all_satisfied()
self.outputs.set_all_incomplete()
# Set a new failed output just as if a failure message came in
self.outputs.add(TASK_OUTPUT_FAILED, is_completed=True)
return self._set_state(status)
def _set_state(self, status):
"""Set, log and record task status (normal change, not forced - don't
update task_events table)."""
if self.status == self.hold_swap:
self.hold_swap = None
if status == self.status and self.hold_swap is None:
return
o_status, o_hold_swap = self.status, self.hold_swap
if status == TASK_STATUS_HELD:
self.hold_swap = self.status
elif (self.hold_swap == TASK_STATUS_HELD and
status not in TASK_STATUSES_FINAL):
self.hold_swap = status
status = TASK_STATUS_HELD
elif self.hold_swap:
self.hold_swap = None
self.status = status
self.time_updated = get_current_time_string()
flags.iflag = True
# Log
message = str(o_status)
if o_hold_swap:
message += " (%s)" % o_hold_swap
message += " => %s" % self.status
if self.hold_swap:
message += " (%s)" % self.hold_swap
LOG.debug(message, itask=self.identity)
def is_greater_than(self, status):
""""Return True if self.status > status."""
return (TASK_STATUSES_ORDERED.index(self.status) >
TASK_STATUSES_ORDERED.index(status))
def _add_prerequisites(self, point, tdef):
"""Add task prerequisites."""
# Triggers for sequence_i only used if my cycle point is a
# valid member of sequence_i's sequence of cycle points.
self._is_satisfied = None
self._suicide_is_satisfied = None
identity = TaskID.get(tdef.name, str(point))
for sequence, dependencies in tdef.dependencies.items():
if not sequence.is_valid(point):
continue
for dependency in dependencies:
cpre = dependency.get_prerequisite(point, tdef)
if dependency.suicide:
self.suicide_prerequisites.append(cpre)
else:
self.prerequisites.append(cpre)
if tdef.sequential:
# Add a previous-instance succeeded prerequisite.
p_prev = None
adjusted = []
for seq in tdef.sequences:
prv = seq.get_nearest_prev_point(point)
if prv:
# None if out of sequence bounds.
adjusted.append(prv)
if adjusted:
p_prev = max(adjusted)
cpre = Prerequisite(point, tdef.start_point)
prereq = "%s %s" % (TaskID.get(tdef.name, p_prev),
TASK_STATUS_SUCCEEDED)
cpre.add(prereq, p_prev < tdef.start_point)
cpre.set_condition(tdef.name)
self.prerequisites.append(cpre)
class TaskState(object):
"""Task status and utilities."""
# Memory optimization - constrain possible attributes to this list.
__slots__ = ["identity", "status", "hold_swap",
"_is_satisfied", "_suicide_is_satisfied", "prerequisites",
"suicide_prerequisites", "external_triggers", "outputs",
"kill_failed", "time_updated", "confirming_with_poll"]
def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
self.outputs = TaskOutputs(tdef)
self.kill_failed = False
self.confirming_with_poll = False
def satisfy_me(self, all_task_outputs):
"""Attempt to get my prerequisites satisfied."""
for prereqs in [self.prerequisites, self.suicide_prerequisites]:
for prereq in prereqs:
if prereq.satisfy_me(all_task_outputs):
self._is_satisfied = None
self._suicide_is_satisfied = None
def prerequisites_are_all_satisfied(self):
"""Return True if (non-suicide) prerequisites are fully satisfied."""
if self._is_satisfied is None:
self._is_satisfied = all(
preq.is_satisfied() for preq in self.prerequisites)
return self._is_satisfied
def prerequisites_are_not_all_satisfied(self):
"""Return True if (any) prerequisites are not fully satisfied."""
return (not self.prerequisites_are_all_satisfied() or
not self.suicide_prerequisites_are_all_satisfied())
def suicide_prerequisites_satisfied(self):
"""Return True if any suicide prerequisites are satisfied."""
if self._suicide_is_satisfied is True:
return True
return any(preq.is_satisfied() for preq in self.suicide_prerequisites)
def suicide_prerequisites_are_all_satisfied(self):
"""Return True if all suicide prerequisites are satisfied."""
if self._suicide_is_satisfied is None:
self._suicide_is_satisfied = all(
preq.is_satisfied() for preq in self.suicide_prerequisites)
return self._suicide_is_satisfied
def prerequisites_get_target_points(self):
"""Return a list of cycle points targeted by each prerequisite."""
return set(point for prerequisite in self.prerequisites for
point in prerequisite.get_target_points())
def prerequisites_eval_all(self):
"""Set all prerequisites to satisfied."""
# (Validation: will abort on illegal trigger expressions.)
for preqs in [self.prerequisites, self.suicide_prerequisites]:
for preq in preqs:
preq.is_satisfied()
def set_prerequisites_all_satisfied(self):
"""Set prerequisites to all satisfied."""
for prereq in self.prerequisites:
prereq.set_satisfied()
self._is_satisfied = None
def set_prerequisites_not_satisfied(self):
"""Reset prerequisites."""
for prereq in self.prerequisites:
prereq.set_not_satisfied()
self._is_satisfied = None
def prerequisites_dump(self, list_prereqs=False):
"""Dump prerequisites."""
if list_prereqs:
return [Prerequisite.MESSAGE_TEMPLATE % msg for prereq in
self.prerequisites for msg in sorted(prereq.satisfied)]
else:
return [x for prereq in self.prerequisites for x in prereq.dump()]
def get_resolved_dependencies(self):
"""Return a list of dependencies which have been met for this task.
E.G: ['foo.1', 'bar.2']
The returned list is sorted to allow comparison with reference run
task with lots of near-simultaneous triggers.
"""
return list(sorted(dep for prereq in self.prerequisites for dep in
prereq.get_resolved_dependencies()))
def set_held(self):
"""Set state to TASK_STATUS_HELD, if possible.
If state can be held, set hold_swap to current state.
If state is active, set hold_swap to TASK_STATUS_HELD.
If state cannot be held, do nothing.
"""
if self.status in TASK_STATUSES_ACTIVE:
self.hold_swap = TASK_STATUS_HELD
return
elif self.status in [
TASK_STATUS_WAITING, TASK_STATUS_QUEUED,
TASK_STATUS_SUBMIT_RETRYING, TASK_STATUS_RETRYING]:
return self._set_state(TASK_STATUS_HELD)
def unset_held(self):
"""Reset to my pre-held state, if not beyond the stop point."""
if self.status != TASK_STATUS_HELD:
return
elif self.hold_swap is None:
self.reset_state(TASK_STATUS_WAITING)
elif self.hold_swap == TASK_STATUS_HELD:
self.hold_swap = None
else:
self.reset_state(self.hold_swap)
def reset_state(self, status):
"""Change status, and manipulate outputs and prerequisites accordingly.
Outputs are manipulated on manual state reset to reflect the new task
status, except for custom outputs on reset to succeeded or later -
these can be completed if need be using "cylc reset --output".
Prerequisites, which reflect the state of *other tasks*, are not
manipulated, except to unset them on reset to waiting or earlier.
(TODO - we should not do this - see GitHub #2329).
Note this method could take an additional argument to distinguish
internal and manually forced state changes, if needed.
The held state is handled in set/unset_held() for swap-state handling.
"""
self.kill_failed = False
# Set standard outputs in accordance with task state.
if status_leq(status, TASK_STATUS_SUBMITTED):
self.outputs.set_all_incomplete()
self.outputs.set_completion(
TASK_OUTPUT_EXPIRED, status == TASK_STATUS_EXPIRED)
self.outputs.set_completion(
TASK_OUTPUT_SUBMITTED, status_geq(status, TASK_STATUS_SUBMITTED))
self.outputs.set_completion(
TASK_OUTPUT_STARTED, status_geq(status, TASK_STATUS_RUNNING))
self.outputs.set_completion(
TASK_OUTPUT_SUBMIT_FAILED, status == TASK_STATUS_SUBMIT_FAILED)
self.outputs.set_completion(
TASK_OUTPUT_SUCCEEDED, status == TASK_STATUS_SUCCEEDED)
self.outputs.set_completion(
TASK_OUTPUT_FAILED, status == TASK_STATUS_FAILED)
# Unset prerequisites on reset to waiting (see docstring).
if status == TASK_STATUS_WAITING:
self.set_prerequisites_not_satisfied()
return self._set_state(status)
def _set_state(self, status):
"""Set, log and record task status (normal change, not forced - don't
update task_events table)."""
if self.status == self.hold_swap:
self.hold_swap = None
if status == self.status and self.hold_swap is None:
return
o_status, o_hold_swap = self.status, self.hold_swap
if status == TASK_STATUS_HELD:
self.hold_swap = self.status
elif status in TASK_STATUSES_ACTIVE:
if self.status == TASK_STATUS_HELD:
self.hold_swap = TASK_STATUS_HELD
elif (self.hold_swap == TASK_STATUS_HELD and
status not in TASK_STATUSES_FINAL):
self.hold_swap = status
status = TASK_STATUS_HELD
elif self.hold_swap:
self.hold_swap = None
self.status = status
self.time_updated = get_current_time_string()
flags.iflag = True
# Log
message = str(o_status)
if o_hold_swap:
message += " (%s)" % o_hold_swap
message += " => %s" % self.status
if self.hold_swap:
message += " (%s)" % self.hold_swap
LOG.debug(message, itask=self.identity)
def is_gt(self, status):
""""Return True if self.status > status."""
return (TASK_STATUSES_ORDERED.index(self.status) >
TASK_STATUSES_ORDERED.index(status))
def _add_prerequisites(self, point, tdef):
"""Add task prerequisites."""
# Triggers for sequence_i only used if my cycle point is a
# valid member of sequence_i's sequence of cycle points.
self._is_satisfied = None
self._suicide_is_satisfied = None
for sequence, dependencies in tdef.dependencies.items():
if not sequence.is_valid(point):
continue
for dependency in dependencies:
cpre = dependency.get_prerequisite(point, tdef)
if dependency.suicide:
self.suicide_prerequisites.append(cpre)
else:
self.prerequisites.append(cpre)
if tdef.sequential:
# Add a previous-instance succeeded prerequisite.
p_prev = None
adjusted = []
for seq in tdef.sequences:
prv = seq.get_nearest_prev_point(point)
if prv:
# None if out of sequence bounds.
adjusted.append(prv)
if adjusted:
p_prev = max(adjusted)
cpre = Prerequisite(point, tdef.start_point)
cpre.add(tdef.name, p_prev, TASK_STATUS_SUCCEEDED,
p_prev < tdef.start_point)
cpre.set_condition(tdef.name)
self.prerequisites.append(cpre)
class TaskState(object):
"""Task status and utilities.
Attributes:
.external_triggers (dict):
External triggers as {trigger (str): satisfied (boolean), ...}.
.hold_swap (str):
While the task is in `held` status, this holds the actual status if
the task is not held. For tasks in `submitted` or `running`
statuses, setting this to `held` will cause the task to hold when
the task is reset to anything other than the `submitted` or
`running` statuses.
.identity (str):
The task ID as `TASK.CYCLE` associated with this object.
.is_updated (boolean):
Has the status been updated since previous update?
.kill_failed (boolean):
Has a job kill attempt failed since previous status change?
.outputs (cylc.task_outputs.TaskOutputs):
Known outputs of the task.
.prerequisites (list<cylc.prerequisite.Prerequisite>):
List of prerequisites of the task.
.status (str):
The current status of the task.
.suicide_prerequisites (list<cylc.prerequisite.Prerequisite>):
List of prerequisites that will cause the task to suicide.
.time_updated (str):
Time string of latest update time.
.xclock (tuple):
A tuple (clock_label (str), is_done (boolean)) to indicate if a
clock trigger is satisfied or not. Set to `None` if the task has no
clock trigger.
.xtriggers (dict):
xtriggers as {trigger (str): satisfied (boolean), ...}.
._is_satisfied (boolean):
Are prerequisites satisified?
._suicide_is_satisfied (boolean):
Are prerequisites to trigger suicide satisified?
"""
# Memory optimization - constrain possible attributes to this list.
__slots__ = [
"external_triggers",
"hold_swap",
"identity",
"is_updated",
"kill_failed",
"outputs",
"prerequisites",
"status",
"suicide_prerequisites",
"time_updated",
"xclock",
"xtriggers",
"_is_satisfied",
"_suicide_is_satisfied",
]
def __init__(self, tdef, point, status, hold_swap):
self.identity = TaskID.get(tdef.name, str(point))
self.status = status
self.hold_swap = hold_swap
self.is_updated = False
self.time_updated = None
self._is_satisfied = None
self._suicide_is_satisfied = None
# Prerequisites.
self.prerequisites = []
self.suicide_prerequisites = []
self._add_prerequisites(point, tdef)
# External Triggers.
self.external_triggers = {}
for ext in tdef.external_triggers:
# Allow cycle-point-specific external triggers - GitHub #1893.
if '$CYLC_TASK_CYCLE_POINT' in ext:
ext = ext.replace('$CYLC_TASK_CYCLE_POINT', str(point))
# set unsatisfied
self.external_triggers[ext] = False
# xtriggers (represented by labels) satisfied or not
self.xtriggers = {}
for label in tdef.xtrig_labels:
self.xtriggers[label] = False
if tdef.xclock_label:
self.xclock = (tdef.xclock_label, False)
else:
self.xclock = None
# Message outputs.
self.outputs = TaskOutputs(tdef)
self.kill_failed = False
def __str__(self):
"""Print status (hold_swap)."""
ret = self.status
if self.hold_swap:
ret += ' (%s)' % self.hold_swap
return ret
def satisfy_me(self, all_task_outputs):
"""Attempt to get my prerequisites satisfied."""
for prereqs in [self.prerequisites, self.suicide_prerequisites]:
for prereq in prereqs:
if prereq.satisfy_me(all_task_outputs):
self._is_satisfied = None
self._suicide_is_satisfied = None
def xtriggers_all_satisfied(self):
"""Return True if xclock and all xtriggers are satisfied."""
if self.xclock is not None and not self.xclock[1]:
return False
return all(self.xtriggers.values())
def prerequisites_are_all_satisfied(self):
"""Return True if (non-suicide) prerequisites are fully satisfied."""
if self._is_satisfied is None:
self._is_satisfied = all(
preq.is_satisfied() for preq in self.prerequisites)
return self._is_satisfied
def prerequisites_are_not_all_satisfied(self):
"""Return True if (any) prerequisites are not fully satisfied."""
return (not self.prerequisites_are_all_satisfied() or
not self.suicide_prerequisites_are_all_satisfied())
def suicide_prerequisites_are_all_satisfied(self):
"""Return True if all suicide prerequisites are satisfied."""
if self._suicide_is_satisfied is None:
self._suicide_is_satisfied = all(
preq.is_satisfied() for preq in self.suicide_prerequisites)
return self._suicide_is_satisfied
def prerequisites_get_target_points(self):
"""Return a list of cycle points targeted by each prerequisite."""
return set(point for prerequisite in self.prerequisites for
point in prerequisite.get_target_points())
def prerequisites_eval_all(self):
"""Set all prerequisites to satisfied."""
# (Validation: will abort on illegal trigger expressions.)
for preqs in [self.prerequisites, self.suicide_prerequisites]:
for preq in preqs:
preq.is_satisfied()
def set_prerequisites_all_satisfied(self):
"""Set prerequisites to all satisfied."""
for prereq in self.prerequisites:
prereq.set_satisfied()
self._is_satisfied = None
def set_prerequisites_not_satisfied(self):
"""Reset prerequisites."""
for prereq in self.prerequisites:
prereq.set_not_satisfied()
self._is_satisfied = None
def prerequisites_dump(self, list_prereqs=False):
"""Dump prerequisites."""
if list_prereqs:
return [Prerequisite.MESSAGE_TEMPLATE % msg for prereq in
self.prerequisites for msg in sorted(prereq.satisfied)]
else:
return [x for prereq in self.prerequisites for x in prereq.dump()]
def get_resolved_dependencies(self):
"""Return a list of dependencies which have been met for this task.
E.G: ['foo.1', 'bar.2']
The returned list is sorted to allow comparison with reference run
task with lots of near-simultaneous triggers.
"""
return list(sorted(dep for prereq in self.prerequisites for dep in
prereq.get_resolved_dependencies()))
def set_held(self):
"""Set state to TASK_STATUS_HELD, if possible.
If state can be held, set hold_swap to current state.
If state is active, set hold_swap to TASK_STATUS_HELD.
If state cannot be held, do nothing.
Return:
A 2-element tuple with the previous value of (status, hold_swap)
on change of status, or None if no change.
"""
if self.status in TASK_STATUSES_ACTIVE:
self.hold_swap = TASK_STATUS_HELD
return (self.status, self.hold_swap)
elif self.status in [
TASK_STATUS_WAITING, TASK_STATUS_QUEUED,
TASK_STATUS_SUBMIT_RETRYING, TASK_STATUS_RETRYING]:
return self._set_state(TASK_STATUS_HELD)
def unset_held(self):
"""Reset to my pre-held state, if not beyond the stop point.
Return:
A 2-element tuple with the previous value of (status, hold_swap)
on change of status, or None if no change.
"""
if self.status != TASK_STATUS_HELD:
return
elif self.hold_swap is None:
return self.reset_state(TASK_STATUS_WAITING)
elif self.hold_swap == TASK_STATUS_HELD:
self.hold_swap = None
return (self.status, self.hold_swap)
else:
return self.reset_state(self.hold_swap)
def reset_state(self, status):
"""Change status, and manipulate outputs and prerequisites accordingly.
Outputs are manipulated on manual state reset to reflect the new task
status, except for custom outputs on reset to succeeded or later -
these can be completed if need be using "cylc reset --output".
Prerequisites, which reflect the state of *other tasks*, are not
manipulated, except to unset them on reset to waiting or earlier.
(TODO - we should not do this - see GitHub #2329).
Note this method could take an additional argument to distinguish
internal and manually forced state changes, if needed.
The held state is handled in set/unset_held() for swap-state handling.
Return:
A 2-element tuple with the previous value of (status, hold_swap)
on change of status, or None if no change.
"""
self.kill_failed = False
# Set standard outputs in accordance with task state.
if status_leq(status, TASK_STATUS_SUBMITTED):
self.outputs.set_all_incomplete()
self.outputs.set_completion(
TASK_OUTPUT_EXPIRED, status == TASK_STATUS_EXPIRED)
self.outputs.set_completion(
TASK_OUTPUT_SUBMITTED, status_geq(status, TASK_STATUS_SUBMITTED))
self.outputs.set_completion(
TASK_OUTPUT_STARTED, status_geq(status, TASK_STATUS_RUNNING))
self.outputs.set_completion(
TASK_OUTPUT_SUBMIT_FAILED, status == TASK_STATUS_SUBMIT_FAILED)
self.outputs.set_completion(
TASK_OUTPUT_SUCCEEDED, status == TASK_STATUS_SUCCEEDED)
self.outputs.set_completion(
TASK_OUTPUT_FAILED, status == TASK_STATUS_FAILED)
# Unset prerequisites on reset to waiting (see docstring).
if status == TASK_STATUS_WAITING:
self.set_prerequisites_not_satisfied()
return self._set_state(status)
def _set_state(self, status):
"""Set, log and record task status (normal change, not forced - don't
update task_events table)."""
if self.status == self.hold_swap:
self.hold_swap = None
if status == self.status and self.hold_swap is None:
return
prev_status, prev_hold_swap = self.status, self.hold_swap
if status == TASK_STATUS_HELD:
self.hold_swap = self.status
elif status in TASK_STATUSES_ACTIVE:
if self.status == TASK_STATUS_HELD:
self.hold_swap = TASK_STATUS_HELD
elif (self.hold_swap == TASK_STATUS_HELD and
status not in TASK_STATUSES_FINAL):
self.hold_swap = status
status = TASK_STATUS_HELD
elif self.hold_swap:
self.hold_swap = None
self.status = status
self.time_updated = get_current_time_string()
self.is_updated = True
# Log
message = str(prev_status)
if prev_hold_swap:
message += " (%s)" % prev_hold_swap
message += " => %s" % self.status
if self.hold_swap:
message += " (%s)" % self.hold_swap
LOG.debug("[%s] -%s", self.identity, message)
return (prev_status, prev_hold_swap)
def is_gt(self, status):
""""Return True if self.status > status."""
return (TASK_STATUSES_ORDERED.index(self.status) >
TASK_STATUSES_ORDERED.index(status))
def _add_prerequisites(self, point, tdef):
"""Add task prerequisites."""
# Triggers for sequence_i only used if my cycle point is a
# valid member of sequence_i's sequence of cycle points.
self._is_satisfied = None
self._suicide_is_satisfied = None
for sequence, dependencies in tdef.dependencies.items():
if not sequence.is_valid(point):
continue
for dependency in dependencies:
cpre = dependency.get_prerequisite(point, tdef)
if dependency.suicide:
self.suicide_prerequisites.append(cpre)
else:
self.prerequisites.append(cpre)
if tdef.sequential:
# Add a previous-instance succeeded prerequisite.
p_prev = None
adjusted = []
for seq in tdef.sequences:
prv = seq.get_nearest_prev_point(point)
if prv:
# None if out of sequence bounds.
adjusted.append(prv)
if adjusted:
p_prev = max(adjusted)
cpre = Prerequisite(point, tdef.start_point)
cpre.add(tdef.name, p_prev, TASK_STATUS_SUCCEEDED,
p_prev < tdef.start_point)
cpre.set_condition(tdef.name)
self.prerequisites.append(cpre)
