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MCOL-5806: added ability to start node in read-only mode

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This commit is contained in:
Alexander Presnyakov
2025-03-12 13:21:37 +00:00
parent 8859e3f4df
commit 37453ad47e
11 changed files with 213 additions and 42 deletions
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29
cmapi/cmapi_server/constants.py
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@@ -4,6 +4,7 @@ TODO: move main constant paths here and replace in files in next releases.
"""
import os
from typing import NamedTuple
from enum import Enum
# default MARIADB ColumnStore config path
@@ -53,6 +54,16 @@ CMAPI_SINGLE_NODE_XML = os.path.join(
CMAPI_INSTALL_PATH, 'cmapi_server/SingleNode.xml'
)
class MCSProgs(Enum):
STORAGE_MANAGER = 'StorageManager'
WORKER_NODE = 'workernode'
CONTROLLER_NODE = 'controllernode'
PRIM_PROC = 'PrimProc'
EXE_MGR = 'ExeMgr'
WRITE_ENGINE_SERVER = 'WriteEngineServer'
DML_PROC = 'DMLProc'
DDL_PROC = 'DDLProc'
# constants for dispatchers
class ProgInfo(NamedTuple):
"""NamedTuple for some additional info about handling mcs processes."""
@@ -66,17 +77,17 @@ class ProgInfo(NamedTuple):
# on top level of process handling
# mcs-storagemanager starts conditionally inside mcs-loadbrm, but should be
# stopped using cmapi
ALL_MCS_PROGS = {
ALL_MCS_PROGS: dict[str, ProgInfo] = {
# workernode starts on primary and non primary node with 1 or 2 added
# to subcommand (DBRM_Worker1 - on primary, DBRM_Worker2 - non primary)
'StorageManager': ProgInfo(15, 'mcs-storagemanager', '', False, 1),
'workernode': ProgInfo(13, 'mcs-workernode', 'DBRM_Worker{}', False, 1),
'controllernode': ProgInfo(11, 'mcs-controllernode', 'fg', True),
'PrimProc': ProgInfo(5, 'mcs-primproc', '', False, 1),
'ExeMgr': ProgInfo(9, 'mcs-exemgr', '', False, 1),
'WriteEngineServer': ProgInfo(7, 'mcs-writeengineserver', '', False, 3),
'DMLProc': ProgInfo(3, 'mcs-dmlproc', '', False),
'DDLProc': ProgInfo(1, 'mcs-ddlproc', '', False),
MCSProgs.STORAGE_MANAGER.value: ProgInfo(15, 'mcs-storagemanager', '', False, 1),
MCSProgs.WORKER_NODE.value: ProgInfo(13, 'mcs-workernode', 'DBRM_Worker{}', False, 1),
MCSProgs.CONTROLLER_NODE.value: ProgInfo(11, 'mcs-controllernode', 'fg', True),
MCSProgs.PRIM_PROC.value: ProgInfo(5, 'mcs-primproc', '', False, 1),
MCSProgs.EXE_MGR.value: ProgInfo(9, 'mcs-exemgr', '', False, 1),
MCSProgs.WRITE_ENGINE_SERVER.value: ProgInfo(7, 'mcs-writeengineserver', '', False, 3),
MCSProgs.DML_PROC.value: ProgInfo(3, 'mcs-dmlproc', '', False),
MCSProgs.DDL_PROC.value: ProgInfo(1, 'mcs-ddlproc', '', False),
}
# constants for docker container dispatcher