def purge_deleted(age, granularity='days'):
try:
age = int(age)
except ValueError:
raise exception.Error(_("age should be an integer"))
if age < 0:
raise exception.Error(_("age should be a positive integer"))
if granularity not in ('days', 'hours', 'minutes', 'seconds'):
raise exception.Error(
_("granularity should be days, hours, minutes, or seconds"))
if granularity == 'days':
age = age * 86400
elif granularity == 'hours':
age = age * 3600
elif granularity == 'minutes':
age = age * 60
time_line = datetime.datetime.now() - datetime.timedelta(seconds=age)
engine = get_engine()
meta = sqlalchemy.MetaData()
meta.bind = engine
# Purge deleted stacks
stack = sqlalchemy.Table('stack', meta, autoload=True)
event = sqlalchemy.Table('event', meta, autoload=True)
raw_template = sqlalchemy.Table('raw_template', meta, autoload=True)
user_creds = sqlalchemy.Table('user_creds', meta, autoload=True)
stmt = sqlalchemy.select(
[stack.c.id,
stack.c.raw_template_id,
stack.c.user_creds_id]
).where(stack.c.deleted_at < time_line)
deleted_stacks = engine.execute(stmt)
for s in deleted_stacks:
event_del = event.delete().where(event.c.stack_id == s[0])
engine.execute(event_del)
stack_del = stack.delete().where(stack.c.id == s[0])
engine.execute(stack_del)
raw_template_del = raw_template.delete().where(
raw_template.c.id == s[1])
engine.execute(raw_template_del)
user_creds_del = user_creds.delete().where(user_creds.c.id == s[2])
engine.execute(user_creds_del)
# Purge deleted services
service = sqlalchemy.Table('service', meta, autoload=True)
stmt = (sqlalchemy.select([service.c.id]).
where(service.c.deleted_at < time_line))
deleted_services = engine.execute(stmt)
for s in deleted_services:
stmt = service.delete().where(service.c.id == s[0])
engine.execute(stmt)
def purge_deleted(age, granularity='days'):
try:
age = int(age)
except ValueError:
raise exception.Error(_("age should be an integer"))
if age < 0:
raise exception.Error(_("age should be a positive integer"))
if granularity not in ('days', 'hours', 'minutes', 'seconds'):
raise exception.Error(
_("granularity should be days, hours, minutes, or seconds"))
if granularity == 'days':
age = age * 86400
elif granularity == 'hours':
age = age * 3600
elif granularity == 'minutes':
age = age * 60
time_line = datetime.datetime.now() - datetime.timedelta(seconds=age)
engine = get_engine()
meta = sqlalchemy.MetaData()
meta.bind = engine
stack = sqlalchemy.Table('stack', meta, autoload=True)
stack_lock = sqlalchemy.Table('stack_lock', meta, autoload=True)
resource = sqlalchemy.Table('resource', meta, autoload=True)
resource_data = sqlalchemy.Table('resource_data', meta, autoload=True)
event = sqlalchemy.Table('event', meta, autoload=True)
raw_template = sqlalchemy.Table('raw_template', meta, autoload=True)
user_creds = sqlalchemy.Table('user_creds', meta, autoload=True)
service = sqlalchemy.Table('service', meta, autoload=True)
syncpoint = sqlalchemy.Table('sync_point', meta, autoload=True)
# find the soft-deleted stacks that are past their expiry
stack_where = sqlalchemy.select([stack.c.id
]).where(stack.c.deleted_at < time_line)
# delete stack locks (just in case some got stuck)
stack_lock_del = stack_lock.delete().where(
stack_lock.c.stack_id.in_(stack_where))
engine.execute(stack_lock_del)
# delete resource_data
res_where = sqlalchemy.select([resource.c.id]).where(
resource.c.stack_id.in_(stack_where))
res_data_del = resource_data.delete().where(
resource_data.c.resource_id.in_(res_where))
engine.execute(res_data_del)
# delete resources
res_del = resource.delete().where(resource.c.stack_id.in_(stack_where))
engine.execute(res_del)
# delete events
event_del = event.delete().where(event.c.stack_id.in_(stack_where))
engine.execute(event_del)
# clean up any sync_points that may have lingered
sync_del = syncpoint.delete().where(syncpoint.c.stack_id.in_(stack_where))
engine.execute(sync_del)
# delete the stacks
stack_del = stack.delete().where(stack.c.deleted_at < time_line)
engine.execute(stack_del)
# delete orphaned raw templates
stack_templ_sel = sqlalchemy.select([stack.c.raw_template_id])
raw_templ_sel = sqlalchemy.not_(raw_template.c.id.in_(stack_templ_sel))
raw_templ_del = raw_template.delete().where(raw_templ_sel)
engine.execute(raw_templ_del)
# purge any user creds that are no longer referenced
stack_creds_sel = sqlalchemy.select([stack.c.user_creds_id])
user_creds_sel = sqlalchemy.not_(user_creds.c.id.in_(stack_creds_sel))
usr_creds_del = user_creds.delete().where(user_creds_sel)
engine.execute(usr_creds_del)
# Purge deleted services
srvc_del = service.delete().where(service.c.deleted_at < time_line)
engine.execute(srvc_del)
def purge_deleted(age, granularity='days'):
try:
age = int(age)
except ValueError:
raise exception.Error(_("age should be an integer"))
if age < 0:
raise exception.Error(_("age should be a positive integer"))
if granularity not in ('days', 'hours', 'minutes', 'seconds'):
raise exception.Error(
_("granularity should be days, hours, minutes, or seconds"))
if granularity == 'days':
age = age * 86400
elif granularity == 'hours':
age = age * 3600
elif granularity == 'minutes':
age = age * 60
time_line = timeutils.utcnow() - datetime.timedelta(seconds=age)
engine = get_engine()
meta = sqlalchemy.MetaData()
meta.bind = engine
stack = sqlalchemy.Table('stack', meta, autoload=True)
stack_lock = sqlalchemy.Table('stack_lock', meta, autoload=True)
stack_tag = sqlalchemy.Table('stack_tag', meta, autoload=True)
resource = sqlalchemy.Table('resource', meta, autoload=True)
resource_data = sqlalchemy.Table('resource_data', meta, autoload=True)
event = sqlalchemy.Table('event', meta, autoload=True)
raw_template = sqlalchemy.Table('raw_template', meta, autoload=True)
user_creds = sqlalchemy.Table('user_creds', meta, autoload=True)
service = sqlalchemy.Table('service', meta, autoload=True)
syncpoint = sqlalchemy.Table('sync_point', meta, autoload=True)
# find the soft-deleted stacks that are past their expiry
stack_where = sqlalchemy.select([stack.c.id, stack.c.raw_template_id,
stack.c.prev_raw_template_id,
stack.c.user_creds_id]).where(
stack.c.deleted_at < time_line)
stacks = list(engine.execute(stack_where))
if stacks:
stack_ids = [i[0] for i in stacks]
# delete stack locks (just in case some got stuck)
stack_lock_del = stack_lock.delete().where(
stack_lock.c.stack_id.in_(stack_ids))
engine.execute(stack_lock_del)
# delete stack tags
stack_tag_del = stack_tag.delete().where(
stack_tag.c.stack_id.in_(stack_ids))
engine.execute(stack_tag_del)
# delete resource_data
res_where = sqlalchemy.select([resource.c.id]).where(
resource.c.stack_id.in_(stack_ids))
res_data_del = resource_data.delete().where(
resource_data.c.resource_id.in_(res_where))
engine.execute(res_data_del)
# delete resources
res_del = resource.delete().where(resource.c.stack_id.in_(stack_ids))
engine.execute(res_del)
# delete events
event_del = event.delete().where(event.c.stack_id.in_(stack_ids))
engine.execute(event_del)
# clean up any sync_points that may have lingered
sync_del = syncpoint.delete().where(
syncpoint.c.stack_id.in_(stack_ids))
engine.execute(sync_del)
# delete the stacks
stack_del = stack.delete().where(stack.c.id.in_(stack_ids))
engine.execute(stack_del)
# delete orphaned raw templates
raw_template_ids = [i[1] for i in stacks if i[1] is not None]
raw_template_ids.extend(i[2] for i in stacks if i[2] is not None)
if raw_template_ids:
# keep those still referenced
raw_tmpl_sel = sqlalchemy.select([stack.c.raw_template_id]).where(
stack.c.raw_template_id.in_(raw_template_ids))
raw_tmpl = [i[0] for i in engine.execute(raw_tmpl_sel)]
raw_template_ids = set(raw_template_ids) - set(raw_tmpl)
raw_tmpl_sel = sqlalchemy.select(
[stack.c.prev_raw_template_id]).where(
stack.c.prev_raw_template_id.in_(raw_template_ids))
raw_tmpl = [i[0] for i in engine.execute(raw_tmpl_sel)]
raw_template_ids = raw_template_ids - set(raw_tmpl)
raw_templ_del = raw_template.delete().where(
raw_template.c.id.in_(raw_template_ids))
engine.execute(raw_templ_del)
# purge any user creds that are no longer referenced
user_creds_ids = [i[3] for i in stacks if i[3] is not None]
if user_creds_ids:
# keep those still referenced
user_sel = sqlalchemy.select([stack.c.user_creds_id]).where(
stack.c.user_creds_id.in_(user_creds_ids))
users = [i[0] for i in engine.execute(user_sel)]
user_creds_ids = set(user_creds_ids) - set(users)
usr_creds_del = user_creds.delete().where(
user_creds.c.id.in_(user_creds_ids))
engine.execute(usr_creds_del)
# Purge deleted services
srvc_del = service.delete().where(service.c.deleted_at < time_line)
engine.execute(srvc_del)