def _update_pl_proxy_cluster(existing_config, verbose):
existing_shards = _get_current_shards(existing_config)
config = PartitionConfig()
new_shard_configs = config.get_shards()
shards_to_update = get_shards_to_update(existing_shards, new_shard_configs)
if not shards_to_update:
print 'No changes. Exiting.'
else:
print "Shards to update:"
existing_shards_by_id = {shard.id: shard for shard in existing_shards}
for new in shards_to_update:
print " {} -> {}".format(
existing_shards_by_id[new.id].get_server_option_string(),
new.get_server_option_string()
)
if _confirm("Update these shards?"):
alter_sql = _get_alter_server_sql(shards_to_update)
if verbose:
print alter_sql
with connections[config.get_proxy_db()].cursor() as cursor:
cursor.execute(alter_sql)
else:
print 'Abort'
def _update_pl_proxy_cluster(existing_config, verbose):
existing_shards = _get_current_shards(existing_config)
config = PartitionConfig()
new_shard_configs = config.get_shards()
shards_to_update = get_shards_to_update(existing_shards, new_shard_configs)
if not shards_to_update:
print 'No changes. Exiting.'
else:
print "Shards to update:"
existing_shards_by_id = {shard.id: shard for shard in existing_shards}
for new in shards_to_update:
print " {} -> {}".format(
existing_shards_by_id[new.id].get_server_option_string(),
new.get_server_option_string()
)
if _confirm("Update these shards?"):
alter_sql = _get_alter_server_sql(shards_to_update)
if verbose:
print alter_sql
with connections[config.get_proxy_db()].cursor() as cursor:
cursor.execute(alter_sql)
else:
print 'Abort'
def create_pl_proxy_cluster(verbose=False, drop_existing=False):
config = PartitionConfig()
proxy_db = config.get_proxy_db()
if drop_existing:
with connections[proxy_db].cursor() as cursor:
cursor.execute(get_drop_server_sql())
config_sql = get_pl_proxy_server_config_sql(config.get_shards())
user_mapping_sql = get_user_mapping_sql()
if verbose:
print 'Running SQL'
print config_sql
print user_mapping_sql
with connections[proxy_db].cursor() as cursor:
cursor.execute(config_sql)
cursor.execute(user_mapping_sql)
def create_pl_proxy_cluster(verbose=False, drop_existing=False):
config = PartitionConfig()
proxy_db = config.get_proxy_db()
if drop_existing:
with connections[proxy_db].cursor() as cursor:
cursor.execute(get_drop_server_sql())
config_sql = get_pl_proxy_server_config_sql(config.get_shards())
user_mapping_sql = get_user_mapping_sql()
if verbose:
print 'Running SQL'
print config_sql
print user_mapping_sql
with connections[proxy_db].cursor() as cursor:
cursor.execute(config_sql)
cursor.execute(user_mapping_sql)
