def show_cluster_info(self):
for instance in self.master_candidates:
echo('M', end='', color='green')
name_msg = ': {name} {host}:{port}'
echo(name_msg.format(name=instance.name,
host=instance.host, port=instance.port))
slot_msg = ','.join(['-'.join([str(s[0]), str(s[1] - 1)])
for s in instance.unbinded_slots])
echo('\tslots:', slot_msg)
def show_cluster_info(self):
for instance in self.master_candidates:
echo('M', end='', color='green')
name_msg = ': {name} {host}:{port}'
echo(
name_msg.format(name=instance.name,
host=instance.host,
port=instance.port))
slot_msg = ','.join([
'-'.join([str(s[0]), str(s[1] - 1)])
for s in instance.unbinded_slots
])
echo('\tslots:', slot_msg)
def status(args):
cluster = Cluster.from_node(Node.from_uri(args.cluster))
dis = []
for n in cluster.masters:
slaves = ','.join([s['addr'] for s in n.slaves(n.name)])
msg = '{} {}:{} {} {}'.format(n.name, n.host, n.port, len(n.slots),
slaves)
dis.append(msg)
echo('\n'.join(dis))
echo('Masters:', len(cluster.masters))
echo('Slaves:', len(cluster.nodes) - len(cluster.masters))
covered_slots = sum(len(n.slots) for n in cluster.masters)
echo('Covered Slots:', covered_slots)
if covered_slots == cluster.CLUSTER_HASH_SLOTS:
echo('Cluster is healthy!')
else:
echo('!!!Cluster is not healthy!!!')
echo('Either there is no cluster or exists cluster is not healthy.')
echo('If there is no cluster then run "redis-clu create <master_list>" or')
echo('"redis-clu fix {}" would be great if there is exists cluster!'.format(args.cluster))
echo('\n')
for master in cluster.masters:
echo(master)
echo('===========================')
echo(master.execute_command('info', 'keyspace'))
echo('\n')
def create(args):
creator = cli_helper.ClusterCreator(args.masters)
if not creator.check():
echo('Pre-requirements to create cluster.\n', color='red')
echo('\t1. At least 2 redis instances must be provided.')
echo('\t2. Should be set <cluster_enabled> on redis server conf.')
echo('\t3. Should be removed all keys in db 0.')
echo('\t4. Any redis instance should not be member of other cluster.')
exit()
creator.initialize_slots()
creator.show_cluster_info()
creator.bind_slots()
creator.bind_config_epoch()
creator.join_cluster()
echo('Waiting for the cluster to join ', end='')
sys.stdout.flush()
time.sleep(1)
while not creator.cluster.consistent():
echo('.', end='')
sys.stdout.flush()
time.sleep(1)
def status(args):
cluster = Cluster.from_node(Node.from_uri(args.cluster))
dis = []
for n in cluster.masters:
slaves = ','.join([s['addr'] for s in n.slaves(n.name)])
msg = '{} {}:{} {} {}'.format(n.name, n.host, n.port, len(n.slots),
slaves)
dis.append(msg)
echo('\n'.join(dis))
echo('Masters:', len(cluster.masters))
echo('Slaves:', len(cluster.nodes) - len(cluster.masters))
covered_slots = sum(len(n.slots) for n in cluster.masters)
echo('Covered Slots:', covered_slots)
if covered_slots == cluster.CLUSTER_HASH_SLOTS:
echo('Cluster is healthy!')
else:
echo('!!!Cluster is not healthy!!!')
echo('Either there is no cluster or exists cluster is not healthy.')
echo(
'If there is no cluster then run "redis-clu create <master_list>" or'
)
echo('"redis-clu fix {}" would be great if there is exists cluster!'.
format(args.cluster))
echo('\n')
for master in cluster.masters:
echo(master)
echo('===========================')
echo(master.execute_command('info', 'keyspace'))
echo('\n')
def create(args):
creator = cli_helper.ClusterCreator(args.masters)
if not creator.check():
echo('Pre-requirements to create cluster.\n', color='red')
echo('\t1. At least 2 redis instances must be provided.')
echo('\t2. Should be set <cluster_enabled> on redis server conf.')
echo('\t3. Should be removed all keys in db 0.')
echo('\t4. Any redis instance should not be member of other cluster.')
exit()
creator.initialize_slots()
creator.show_cluster_info()
creator.bind_slots()
creator.bind_config_epoch()
creator.join_cluster()
echo('Waiting for the cluster to join ', end='')
sys.stdout.flush()
time.sleep(1)
while not creator.cluster.consistent():
echo('.', end='')
sys.stdout.flush()
time.sleep(1)
