def gc():
"""Deletes old stellar tables that are not used anymore"""
def after_delete(database):
print "Deleted table %s" % database
app = Stellar()
app.delete_orphan_snapshots(after_delete)
def gc():
"""Deletes old stellar tables that are not used anymore"""
def after_delete(database):
print "Deleted table %s" % database
app = Stellar()
app.delete_orphan_snapshots(after_delete)
def snapshot(name):
"""Takes a snapshot of the database"""
app = Stellar()
name = name or app.default_snapshot_name
if app.get_snapshot(name):
print "Snapshot with name %s already exists" % name
sys.exit(1)
else:
def before_copy(table_name):
print "Snapshotting database %s" % table_name
app.create_snapshot(name, before_copy=before_copy)
def remove(name):
"""Removes a snapshot"""
app = Stellar()
snapshot = app.get_snapshot(name)
if not snapshot:
print "Couldn't find snapshot %s" % name
sys.exit(1)
print "Deleting snapshot %s" % name
app.remove_snapshot(snapshot)
print "Deleted"
def remove(name):
"""Removes a snapshot"""
app = Stellar()
snapshot = app.get_snapshot(name)
if not snapshot:
print "Couldn't find snapshot %s" % name
sys.exit(1)
print "Deleting snapshot %s" % name
app.remove_snapshot(snapshot)
print "Deleted"
def snapshot(name):
"""Takes a snapshot of the database"""
app = Stellar()
name = name or app.default_snapshot_name
if app.get_snapshot(name):
print "Snapshot with name %s already exists" % name
sys.exit(1)
else:
def before_copy(table_name):
print "Snapshotting database %s" % table_name
app.create_snapshot(name, before_copy=before_copy)
def rename(old_name, new_name):
"""Renames a snapshot"""
app = Stellar()
snapshot = app.get_snapshot(old_name)
if not snapshot:
print "Couldn't find snapshot %s" % old_name
sys.exit(1)
new_snapshot = app.get_snapshot(new_name)
if new_snapshot:
print "Snapshot with name %s already exists" % new_name
sys.exit(1)
app.rename_snapshot(snapshot, new_name)
print "Renamed snapshot %s to %s" % (old_name, new_name)
def list():
"""Returns a list of snapshots"""
snapshots = Stellar().get_snapshots()
print '\n'.join('%s: %s' %
(s.snapshot_name,
humanize.naturaltime(datetime.utcnow() - s.created_at))
for s in snapshots)
def restore(name):
"""Restores the database from a snapshot"""
app = Stellar()
if not name:
snapshot = app.get_latest_snapshot()
if not snapshot:
print (
"Couldn't find any snapshots for project %s" %
self.config['project_name']
)
sys.exit(1)
else:
snapshot = app.get_snapshot(name)
if not snapshot:
print (
"Couldn't find snapshot with name %s.\n"
"You can list snapshots with 'stellar list'" % name
)
sys.exit(1)
# Check if slaves are ready
if not snapshot.slaves_ready:
if app.is_copy_process_running(snapshot):
sys.stdout.write(
'Waiting for background process(%s) to finish' %
snapshot.worker_pid
)
sys.stdout.flush()
while not snapshot.slaves_ready:
sys.stdout.write('.')
sys.stdout.flush()
sleep(1)
app.db.session.refresh(snapshot)
print ''
else:
print 'Background process missing, doing slow restore.'
app.inline_slave_copy(snapshot)
app.restore(snapshot)
print "Restore complete."
def restore(name):
"""Restores the database from a snapshot"""
app = Stellar()
if not name:
snapshot = app.get_latest_snapshot()
if not snapshot:
print("Couldn't find any snapshots for project %s" %
self.config['project_name'])
sys.exit(1)
else:
snapshot = app.get_snapshot(name)
if not snapshot:
print(
"Couldn't find snapshot with name %s.\n"
"You can list snapshots with 'stellar list'" % name)
sys.exit(1)
# Check if slaves are ready
if not snapshot.slaves_ready:
if app.is_copy_process_running(snapshot):
sys.stdout.write('Waiting for background process(%s) to finish' %
snapshot.worker_pid)
sys.stdout.flush()
while not snapshot.slaves_ready:
sys.stdout.write('.')
sys.stdout.flush()
sleep(1)
app.db.session.refresh(snapshot)
print ''
else:
print 'Background process missing, doing slow restore.'
app.inline_slave_copy(snapshot)
app.restore(snapshot)
print "Restore complete."
def rename(old_name, new_name):
"""Renames a snapshot"""
app = Stellar()
snapshot = app.get_snapshot(old_name)
if not snapshot:
print "Couldn't find snapshot %s" % old_name
sys.exit(1)
new_snapshot = app.get_snapshot(new_name)
if new_snapshot:
print "Snapshot with name %s already exists" % new_name
sys.exit(1)
app.rename_snapshot(snapshot, new_name)
print "Renamed snapshot %s to %s" % (old_name, new_name)
