Pre-freeze 'make sync'
Change-Id: I1959c1b41957a97167ed41123d69bec576f3a75e
This commit is contained in:
parent
5b88113c76
commit
5726a41b1e
@ -13,7 +13,7 @@
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# limitations under the License.
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# Common python helper functions used for OpenStack charms.
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from collections import OrderedDict
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from collections import OrderedDict, namedtuple
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from functools import wraps
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import subprocess
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@ -36,15 +36,20 @@ from charmhelpers.contrib.network import ip
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from charmhelpers.core import unitdata
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from charmhelpers.core.hookenv import (
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WORKLOAD_STATES,
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action_fail,
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action_set,
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config,
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expected_peer_units,
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expected_related_units,
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log as juju_log,
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charm_dir,
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INFO,
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ERROR,
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metadata,
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related_units,
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relation_get,
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relation_id,
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relation_ids,
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relation_set,
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status_set,
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@ -53,6 +58,7 @@ from charmhelpers.core.hookenv import (
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cached,
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leader_set,
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leader_get,
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local_unit,
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)
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from charmhelpers.core.strutils import (
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@ -108,6 +114,10 @@ from charmhelpers.contrib.openstack.policyd import (
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POLICYD_CONFIG_NAME,
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)
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from charmhelpers.contrib.openstack.ha.utils import (
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expect_ha,
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)
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CLOUD_ARCHIVE_URL = "http://ubuntu-cloud.archive.canonical.com/ubuntu"
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CLOUD_ARCHIVE_KEY_ID = '5EDB1B62EC4926EA'
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@ -1810,6 +1820,16 @@ def os_application_version_set(package):
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application_version_set(application_version)
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def os_application_status_set(check_function):
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"""Run the supplied function and set the application status accordingly.
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:param check_function: Function to run to get app states and messages.
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:type check_function: function
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"""
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state, message = check_function()
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status_set(state, message, application=True)
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def enable_memcache(source=None, release=None, package=None):
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"""Determine if memcache should be enabled on the local unit
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@ -2046,3 +2066,287 @@ def is_db_maintenance_mode(relid=None):
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'WARN')
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pass
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return True in notifications
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@cached
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def container_scoped_relations():
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"""Get all the container scoped relations
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:returns: List of relation names
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:rtype: List
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"""
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md = metadata()
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relations = []
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for relation_type in ('provides', 'requires', 'peers'):
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for relation in md.get(relation_type, []):
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if md[relation_type][relation].get('scope') == 'container':
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relations.append(relation)
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return relations
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def is_db_ready(use_current_context=False, rel_name=None):
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"""Check remote database is ready to be used.
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Database relations are expected to provide a list of 'allowed' units to
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confirm that the database is ready for use by those units.
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If db relation has provided this information and local unit is a member,
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returns True otherwise False.
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:param use_current_context: Whether to limit checks to current hook
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context.
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:type use_current_context: bool
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:param rel_name: Name of relation to check
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:type rel_name: string
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:returns: Whether remote db is ready.
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:rtype: bool
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:raises: Exception
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"""
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key = 'allowed_units'
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rel_name = rel_name or 'shared-db'
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this_unit = local_unit()
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if use_current_context:
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if relation_id() in relation_ids(rel_name):
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rids_units = [(None, None)]
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else:
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raise Exception("use_current_context=True but not in {} "
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"rel hook contexts (currently in {})."
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.format(rel_name, relation_id()))
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else:
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rids_units = [(r_id, u)
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for r_id in relation_ids(rel_name)
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for u in related_units(r_id)]
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for rid, unit in rids_units:
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allowed_units = relation_get(rid=rid, unit=unit, attribute=key)
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if allowed_units and this_unit in allowed_units.split():
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juju_log("This unit ({}) is in allowed unit list from {}".format(
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this_unit,
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unit), 'DEBUG')
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return True
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juju_log("This unit was not found in any allowed unit list")
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return False
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def is_expected_scale(peer_relation_name='cluster'):
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"""Query juju goal-state to determine whether our peer- and dependency-
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relations are at the expected scale.
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Useful for deferring per unit per relation housekeeping work until we are
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ready to complete it successfully and without unnecessary repetiton.
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Always returns True if version of juju used does not support goal-state.
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:param peer_relation_name: Name of peer relation
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:type rel_name: string
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:returns: True or False
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:rtype: bool
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"""
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def _get_relation_id(rel_type):
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return next((rid for rid in relation_ids(reltype=rel_type)), None)
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Relation = namedtuple('Relation', 'rel_type rel_id')
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peer_rid = _get_relation_id(peer_relation_name)
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# Units with no peers should still have a peer relation.
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if not peer_rid:
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juju_log('Not at expected scale, no peer relation found', 'DEBUG')
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return False
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expected_relations = [
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Relation(rel_type='shared-db', rel_id=_get_relation_id('shared-db'))]
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if expect_ha():
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expected_relations.append(
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Relation(
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rel_type='ha',
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rel_id=_get_relation_id('ha')))
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juju_log(
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'Checking scale of {} relations'.format(
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','.join([r.rel_type for r in expected_relations])),
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'DEBUG')
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try:
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if (len(related_units(relid=peer_rid)) <
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len(list(expected_peer_units()))):
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return False
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for rel in expected_relations:
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if not rel.rel_id:
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juju_log(
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'Expected to find {} relation, but it is missing'.format(
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rel.rel_type),
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'DEBUG')
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return False
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# Goal state returns every unit even for container scoped
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# relations but the charm only ever has a relation with
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# the local unit.
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if rel.rel_type in container_scoped_relations():
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expected_count = 1
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else:
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expected_count = len(
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list(expected_related_units(reltype=rel.rel_type)))
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if len(related_units(relid=rel.rel_id)) < expected_count:
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juju_log(
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('Not at expected scale, not enough units on {} '
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'relation'.format(rel.rel_type)),
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'DEBUG')
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return False
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except NotImplementedError:
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return True
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juju_log('All checks have passed, unit is at expected scale', 'DEBUG')
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return True
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def get_peer_key(unit_name):
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"""Get the peer key for this unit.
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The peer key is the key a unit uses to publish its status down the peer
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relation
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:param unit_name: Name of unit
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:type unit_name: string
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:returns: Peer key for given unit
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:rtype: string
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"""
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return 'unit-state-{}'.format(unit_name.replace('/', '-'))
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UNIT_READY = 'READY'
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UNIT_NOTREADY = 'NOTREADY'
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UNIT_UNKNOWN = 'UNKNOWN'
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UNIT_STATES = [UNIT_READY, UNIT_NOTREADY, UNIT_UNKNOWN]
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def inform_peers_unit_state(state, relation_name='cluster'):
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"""Inform peers of the state of this unit.
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:param state: State of unit to publish
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:type state: string
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:param relation_name: Name of relation to publish state on
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:type relation_name: string
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"""
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if state not in UNIT_STATES:
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raise ValueError(
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"Setting invalid state {} for unit".format(state))
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for r_id in relation_ids(relation_name):
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relation_set(relation_id=r_id,
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relation_settings={
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get_peer_key(local_unit()): state})
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def get_peers_unit_state(relation_name='cluster'):
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"""Get the state of all peers.
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:param relation_name: Name of relation to check peers on.
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:type relation_name: string
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:returns: Unit states keyed on unit name.
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:rtype: dict
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:raises: ValueError
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"""
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r_ids = relation_ids(relation_name)
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rids_units = [(r, u) for r in r_ids for u in related_units(r)]
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unit_states = {}
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for r_id, unit in rids_units:
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settings = relation_get(unit=unit, rid=r_id)
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unit_states[unit] = settings.get(get_peer_key(unit), UNIT_UNKNOWN)
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if unit_states[unit] not in UNIT_STATES:
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raise ValueError(
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"Unit in unknown state {}".format(unit_states[unit]))
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return unit_states
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def are_peers_ready(relation_name='cluster'):
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"""Check if all peers are ready.
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:param relation_name: Name of relation to check peers on.
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:type relation_name: string
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:returns: Whether all units are ready.
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:rtype: bool
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"""
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unit_states = get_peers_unit_state(relation_name)
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return all(v == UNIT_READY for v in unit_states.values())
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def inform_peers_if_ready(check_unit_ready_func, relation_name='cluster'):
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"""Inform peers if this unit is ready.
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The check function should return a tuple (state, message). A state
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of 'READY' indicates the unit is READY.
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:param check_unit_ready_func: Function to run to check readiness
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:type check_unit_ready_func: function
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:param relation_name: Name of relation to check peers on.
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:type relation_name: string
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"""
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unit_ready, msg = check_unit_ready_func()
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if unit_ready:
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state = UNIT_READY
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else:
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state = UNIT_NOTREADY
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juju_log('Telling peers this unit is: {}'.format(state), 'DEBUG')
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inform_peers_unit_state(state, relation_name)
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def check_api_unit_ready(check_db_ready=True):
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"""Check if this unit is ready.
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:param check_db_ready: Include checks of database readiness.
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:type check_db_ready: bool
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:returns: Whether unit state is ready and status message
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:rtype: (bool, str)
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"""
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unit_state, msg = get_api_unit_status(check_db_ready=check_db_ready)
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return unit_state == WORKLOAD_STATES.ACTIVE, msg
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def get_api_unit_status(check_db_ready=True):
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"""Return a workload status and message for this unit.
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:param check_db_ready: Include checks of database readiness.
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:type check_db_ready: bool
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:returns: Workload state and message
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:rtype: (bool, str)
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"""
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unit_state = WORKLOAD_STATES.ACTIVE
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msg = 'Unit is ready'
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if is_db_maintenance_mode():
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unit_state = WORKLOAD_STATES.MAINTENANCE
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msg = 'Database in maintenance mode.'
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elif is_unit_paused_set():
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unit_state = WORKLOAD_STATES.BLOCKED
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msg = 'Unit paused.'
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elif check_db_ready and not is_db_ready():
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unit_state = WORKLOAD_STATES.WAITING
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msg = 'Allowed_units list provided but this unit not present'
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elif not is_db_initialised():
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unit_state = WORKLOAD_STATES.WAITING
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msg = 'Database not initialised'
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elif not is_expected_scale():
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unit_state = WORKLOAD_STATES.WAITING
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msg = 'Charm and its dependencies not yet at expected scale'
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juju_log(msg, 'DEBUG')
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return unit_state, msg
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def check_api_application_ready():
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"""Check if this application is ready.
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:returns: Whether application state is ready and status message
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:rtype: (bool, str)
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"""
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app_state, msg = get_api_application_status()
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return app_state == WORKLOAD_STATES.ACTIVE, msg
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def get_api_application_status():
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"""Return a workload status and message for this application.
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:returns: Workload state and message
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:rtype: (bool, str)
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"""
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app_state, msg = get_api_unit_status()
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if app_state == WORKLOAD_STATES.ACTIVE:
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if are_peers_ready():
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return WORKLOAD_STATES.ACTIVE, 'Application Ready'
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else:
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return WORKLOAD_STATES.WAITING, 'Some units are not ready'
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return app_state, msg
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@ -22,6 +22,7 @@
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# Adam Gandelman <adamg@ubuntu.com>
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#
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import collections
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import errno
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import hashlib
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import math
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@ -93,6 +94,88 @@ LEGACY_PG_COUNT = 200
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DEFAULT_MINIMUM_PGS = 2
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class OsdPostUpgradeError(Exception):
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"""Error class for OSD post-upgrade operations."""
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pass
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class OSDSettingConflict(Exception):
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"""Error class for conflicting osd setting requests."""
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pass
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class OSDSettingNotAllowed(Exception):
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"""Error class for a disallowed setting."""
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pass
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OSD_SETTING_EXCEPTIONS = (OSDSettingConflict, OSDSettingNotAllowed)
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OSD_SETTING_WHITELIST = [
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'osd heartbeat grace',
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'osd heartbeat interval',
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]
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def _order_dict_by_key(rdict):
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"""Convert a dictionary into an OrderedDict sorted by key.
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:param rdict: Dictionary to be ordered.
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:type rdict: dict
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:returns: Ordered Dictionary.
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:rtype: collections.OrderedDict
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"""
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return collections.OrderedDict(sorted(rdict.items(), key=lambda k: k[0]))
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def get_osd_settings(relation_name):
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"""Consolidate requested osd settings from all clients.
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Consolidate requested osd settings from all clients. Check that the
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requested setting is on the whitelist and it does not conflict with
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any other requested settings.
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:returns: Dictionary of settings
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:rtype: dict
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:raises: OSDSettingNotAllowed
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:raises: OSDSettingConflict
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"""
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rel_ids = relation_ids(relation_name)
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osd_settings = {}
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for relid in rel_ids:
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for unit in related_units(relid):
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unit_settings = relation_get('osd-settings', unit, relid) or '{}'
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unit_settings = json.loads(unit_settings)
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for key, value in unit_settings.items():
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if key not in OSD_SETTING_WHITELIST:
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msg = 'Illegal settings "{}"'.format(key)
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raise OSDSettingNotAllowed(msg)
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if key in osd_settings:
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if osd_settings[key] != unit_settings[key]:
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msg = 'Conflicting settings for "{}"'.format(key)
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raise OSDSettingConflict(msg)
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else:
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osd_settings[key] = value
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return _order_dict_by_key(osd_settings)
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def send_osd_settings():
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"""Pass on requested OSD settings to osd units."""
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try:
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settings = get_osd_settings('client')
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except OSD_SETTING_EXCEPTIONS as e:
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# There is a problem with the settings, not passing them on. Update
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# status will notify the user.
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log(e, level=ERROR)
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return
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data = {
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'osd-settings': json.dumps(settings, sort_keys=True)}
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for relid in relation_ids('osd'):
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relation_set(relation_id=relid,
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relation_settings=data)
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def validator(value, valid_type, valid_range=None):
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"""
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Used to validate these: http://docs.ceph.com/docs/master/rados/operations/pools/#set-pool-values
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@ -1635,5 +1718,67 @@ class CephConfContext(object):
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continue
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ceph_conf[key] = conf[key]
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return ceph_conf
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class CephOSDConfContext(CephConfContext):
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"""Ceph config (ceph.conf) context.
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Consolidates settings from config-flags via CephConfContext with
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settings provided by the mons. The config-flag values are preserved in
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conf['osd'], settings from the mons which do not clash with config-flag
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settings are in conf['osd_from_client'] and finally settings which do
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clash are in conf['osd_from_client_conflict']. Rather than silently drop
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the conflicting settings they are provided in the context so they can be
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rendered commented out to give some visability to the admin.
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"""
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def __init__(self, permitted_sections=None):
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super(CephOSDConfContext, self).__init__(
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permitted_sections=permitted_sections)
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try:
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self.settings_from_mons = get_osd_settings('mon')
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except OSDSettingConflict:
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log(
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"OSD settings from mons are inconsistent, ignoring them",
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level=WARNING)
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self.settings_from_mons = {}
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def filter_osd_from_mon_settings(self):
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"""Filter settings from client relation against config-flags.
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:returns: A tuple (
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,config-flag values,
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,client settings which do not conflict with config-flag values,
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,client settings which confilct with config-flag values)
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:rtype: (OrderedDict, OrderedDict, OrderedDict)
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"""
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ceph_conf = super(CephOSDConfContext, self).__call__()
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conflicting_entries = {}
|
||||
clear_entries = {}
|
||||
for key, value in self.settings_from_mons.items():
|
||||
if key in ceph_conf.get('osd', {}):
|
||||
if ceph_conf['osd'][key] != value:
|
||||
conflicting_entries[key] = value
|
||||
else:
|
||||
clear_entries[key] = value
|
||||
clear_entries = _order_dict_by_key(clear_entries)
|
||||
conflicting_entries = _order_dict_by_key(conflicting_entries)
|
||||
return ceph_conf, clear_entries, conflicting_entries
|
||||
|
||||
def __call__(self):
|
||||
"""Construct OSD config context.
|
||||
|
||||
Standard context with two additional special keys.
|
||||
osd_from_client_conflict: client settings which confilct with
|
||||
config-flag values
|
||||
osd_from_client: settings which do not conflict with config-flag
|
||||
values
|
||||
|
||||
:returns: OSD config context dict.
|
||||
:rtype: dict
|
||||
"""
|
||||
conf, osd_clear, osd_conflict = self.filter_osd_from_mon_settings()
|
||||
conf['osd_from_client_conflict'] = osd_conflict
|
||||
conf['osd_from_client'] = osd_clear
|
||||
return conf
|
||||
|
@ -32,6 +32,10 @@ def loopback_devices():
|
||||
|
||||
/dev/loop0: [0807]:961814 (/tmp/my.img)
|
||||
|
||||
or:
|
||||
|
||||
/dev/loop0: [0807]:961814 (/tmp/my.img (deleted))
|
||||
|
||||
:returns: dict: a dict mapping {loopback_dev: backing_file}
|
||||
'''
|
||||
loopbacks = {}
|
||||
@ -39,9 +43,9 @@ def loopback_devices():
|
||||
output = check_output(cmd)
|
||||
if six.PY3:
|
||||
output = output.decode('utf-8')
|
||||
devs = [d.strip().split(' ') for d in output.splitlines() if d != '']
|
||||
devs = [d.strip().split(' ', 2) for d in output.splitlines() if d != '']
|
||||
for dev, _, f in devs:
|
||||
loopbacks[dev.replace(':', '')] = re.search(r'\((\S+)\)', f).groups()[0]
|
||||
loopbacks[dev.replace(':', '')] = re.search(r'\((.+)\)', f).groups()[0]
|
||||
return loopbacks
|
||||
|
||||
|
||||
|
@ -21,6 +21,7 @@
|
||||
from __future__ import print_function
|
||||
import copy
|
||||
from distutils.version import LooseVersion
|
||||
from enum import Enum
|
||||
from functools import wraps
|
||||
from collections import namedtuple
|
||||
import glob
|
||||
@ -57,6 +58,14 @@ RANGE_WARNING = ('Passing NO_PROXY string that includes a cidr. '
|
||||
'This may not be compatible with software you are '
|
||||
'running in your shell.')
|
||||
|
||||
|
||||
class WORKLOAD_STATES(Enum):
|
||||
ACTIVE = 'active'
|
||||
BLOCKED = 'blocked'
|
||||
MAINTENANCE = 'maintenance'
|
||||
WAITING = 'waiting'
|
||||
|
||||
|
||||
cache = {}
|
||||
|
||||
|
||||
@ -1088,22 +1097,33 @@ def function_tag():
|
||||
return os.environ.get('JUJU_FUNCTION_TAG') or action_tag()
|
||||
|
||||
|
||||
def status_set(workload_state, message):
|
||||
def status_set(workload_state, message, application=False):
|
||||
"""Set the workload state with a message
|
||||
|
||||
Use status-set to set the workload state with a message which is visible
|
||||
to the user via juju status. If the status-set command is not found then
|
||||
assume this is juju < 1.23 and juju-log the message unstead.
|
||||
assume this is juju < 1.23 and juju-log the message instead.
|
||||
|
||||
workload_state -- valid juju workload state.
|
||||
message -- status update message
|
||||
workload_state -- valid juju workload state. str or WORKLOAD_STATES
|
||||
message -- status update message
|
||||
application -- Whether this is an application state set
|
||||
"""
|
||||
valid_states = ['maintenance', 'blocked', 'waiting', 'active']
|
||||
if workload_state not in valid_states:
|
||||
raise ValueError(
|
||||
'{!r} is not a valid workload state'.format(workload_state)
|
||||
)
|
||||
cmd = ['status-set', workload_state, message]
|
||||
bad_state_msg = '{!r} is not a valid workload state'
|
||||
|
||||
if isinstance(workload_state, str):
|
||||
try:
|
||||
# Convert string to enum.
|
||||
workload_state = WORKLOAD_STATES[workload_state.upper()]
|
||||
except KeyError:
|
||||
raise ValueError(bad_state_msg.format(workload_state))
|
||||
|
||||
if workload_state not in WORKLOAD_STATES:
|
||||
raise ValueError(bad_state_msg.format(workload_state))
|
||||
|
||||
cmd = ['status-set']
|
||||
if application:
|
||||
cmd.append('--application')
|
||||
cmd.extend([workload_state.value, message])
|
||||
try:
|
||||
ret = subprocess.call(cmd)
|
||||
if ret == 0:
|
||||
@ -1111,7 +1131,7 @@ def status_set(workload_state, message):
|
||||
except OSError as e:
|
||||
if e.errno != errno.ENOENT:
|
||||
raise
|
||||
log_message = 'status-set failed: {} {}'.format(workload_state,
|
||||
log_message = 'status-set failed: {} {}'.format(workload_state.value,
|
||||
message)
|
||||
log(log_message, level='INFO')
|
||||
|
||||
@ -1526,13 +1546,13 @@ def env_proxy_settings(selected_settings=None):
|
||||
"""Get proxy settings from process environment variables.
|
||||
|
||||
Get charm proxy settings from environment variables that correspond to
|
||||
juju-http-proxy, juju-https-proxy and juju-no-proxy (available as of 2.4.2,
|
||||
see lp:1782236) in a format suitable for passing to an application that
|
||||
reacts to proxy settings passed as environment variables. Some applications
|
||||
support lowercase or uppercase notation (e.g. curl), some support only
|
||||
lowercase (e.g. wget), there are also subjectively rare cases of only
|
||||
uppercase notation support. no_proxy CIDR and wildcard support also varies
|
||||
between runtimes and applications as there is no enforced standard.
|
||||
juju-http-proxy, juju-https-proxy juju-no-proxy (available as of 2.4.2, see
|
||||
lp:1782236) and juju-ftp-proxy in a format suitable for passing to an
|
||||
application that reacts to proxy settings passed as environment variables.
|
||||
Some applications support lowercase or uppercase notation (e.g. curl), some
|
||||
support only lowercase (e.g. wget), there are also subjectively rare cases
|
||||
of only uppercase notation support. no_proxy CIDR and wildcard support also
|
||||
varies between runtimes and applications as there is no enforced standard.
|
||||
|
||||
Some applications may connect to multiple destinations and expose config
|
||||
options that would affect only proxy settings for a specific destination
|
||||
|
@ -17,14 +17,17 @@
|
||||
|
||||
import yaml
|
||||
|
||||
from subprocess import check_call
|
||||
from subprocess import check_call, CalledProcessError
|
||||
|
||||
from charmhelpers.core.hookenv import (
|
||||
log,
|
||||
DEBUG,
|
||||
ERROR,
|
||||
WARNING,
|
||||
)
|
||||
|
||||
from charmhelpers.core.host import is_container
|
||||
|
||||
__author__ = 'Jorge Niedbalski R. <jorge.niedbalski@canonical.com>'
|
||||
|
||||
|
||||
@ -62,4 +65,11 @@ def create(sysctl_dict, sysctl_file, ignore=False):
|
||||
if ignore:
|
||||
call.append("-e")
|
||||
|
||||
check_call(call)
|
||||
try:
|
||||
check_call(call)
|
||||
except CalledProcessError as e:
|
||||
if is_container():
|
||||
log("Error setting some sysctl keys in this container: {}".format(e.output),
|
||||
level=WARNING)
|
||||
else:
|
||||
raise e
|
||||
|
Loading…
Reference in New Issue
Block a user