4f736894e1
In this mode, the node is not reachable from the outside, i.e. * it refuses all incoming RPC connections, * it does not join the cluster, thus * all group0 operations are disabled (e.g. schema changes), * all cluster-wide operations are disabled for this node (e.g. repair), * other nodes see this node as dead, * cannot read or write data from/to other nodes, * it does not open Alternator and Redis transport ports and the TCP CQL port. The only way to make CQL queries is to use the maintenance socket. The node serves only local data. To start the node in maintenance mode, use the `--maintenance-mode true` flag or set `maintenance_mode: true` in the configuration file. REST API works as usual, but some routes are disabled: * authorization_cache * failure_detector * hinted_hand_off_manager This PR also updates the maintenance socket documentation: * add cqlsh usage to the documentation * update the documentation to use `WhiteListRoundRobinPolicy` Fixes #5489. Closes scylladb/scylladb#15346 * github.com:scylladb/scylladb: test.py: add test for maintenance mode test.py: generalize usage of cluster_con test.py: when connecting to node in maintenance mode use maintenance socket docs: add maintenance mode documentation main: add maintenance mode main: move some REST routes initialization before joining group0 message_service: add sanity check that rpc connections are not created in the maintenance mode raft_group0_client: disable group0 operations in the maintenance mode service/storage_service: add start_maintenance_mode() method storage_service: add MAINTENANCE option to mode enum service/maintenance_mode: add maintenance_mode_enabled bool class service/maintenance_mode: move maintenance_socket_enabled definition to seperate file db/config: add maintenance mode flag docs: add cqlsh usage to maintenance socket documentation docs: update maintenance socket documentation to use WhiteListRoundRobinPolicy
Scylla in-source tests.
For details on how to run the tests, see docs/dev/testing.md
Shared C++ utils, libraries are in lib/, for Python - pylib/
alternator - Python tests which connect to a single server and use the DynamoDB API unit, boost, raft - unit tests in C++ cql-pytest - Python tests which connect to a single server and use CQL topology* - tests that set up clusters and add/remove nodes cql - approval tests that use CQL and pre-recorded output rest_api - tests for Scylla REST API Port 9000 scylla-gdb - tests for scylla-gdb.py helper script nodetool - tests for C++ implementation of nodetool
If you can use an existing folder, consider adding your test to it. New folders should be used for new large categories/subsystems, or when the test environment is significantly different from some existing suite, e.g. you plan to start scylladb with different configuration, and you intend to add many tests and would like them to reuse an existing Scylla cluster (clusters can be reused for tests within the same folder).
To add a new folder, create a new directory, and then
copy & edit its suite.ini.