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?? ..
?? Readme.md(1.61 KB)
?? __init__.py(3.09 KB)
?? __pycache__
?? awp.py(1.75 KB)
?? cagefs.py(1.81 KB)
?? cli
?? clpro.py(868 B)
?? files.py(933 B)
?? limits.py(2.86 KB)
?? linksafe.py(1.75 KB)
?? lve.py(965 B)
?? packages.py(3.18 KB)
?? services.py(2.29 KB)
?? spec
?? watcher.py(4.94 KB)

Editing: limits.py

# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# https://cloudlinux.com/docs/LICENCE.TXT
#
import logging
import pathlib

from clconfigure import run, task
from clconfigure.packages import install_package
from clconfigure.services import (
    STATE_FAILED,
    STATE_MASKED,
    STATE_RUNNING,
    STATE_STOPPED,
    STATE_UNMASKED,
    STATE_ENABLED,
    STATE_DISABLED,
    get_service_state,
    set_service_state
)

def initialize_lvestats():
    # NOTE(vlebedev): We need to trigger 'lve-stats' scriptlets to properly initialized it's database stuff.
    install_package('lve-stats', reinstall=True)
    enable_lve_services()

@task("Changing default limits state to '{desired_state}'")
def set_default_limits_state(desired_state):
    """
    Brings default limits to given state (unlimited | default).
    May be executed more that once, does't crash on future calls
    """
    if desired_state == 'unlimited':
        run(['lvectl', 'set', 'default', '--unlimited'])
    else:
        raise RuntimeError('Another states temporary unavailable')

def disable_lve_services():
    """
    Turn off all lve-related services.
    """
    for state in [STATE_STOPPED, STATE_DISABLED, STATE_MASKED]:
        for service in ['lve', 'lve_namespaces', 'lvestats', 'lvectl']:
            set_service_state(state, service)

def enable_lve_services():
    """
    Turn on all lve-related services.
    """
    for state in [STATE_UNMASKED, STATE_RUNNING, STATE_ENABLED]:
        for service in ['lve', 'lve_namespaces', 'lvestats', 'lvectl']:
            set_service_state(state, service)

@task("Unloading lve module")
def unload_lve_module():
    """
    Restart services that still use lve device and unload lve module then
    """
    if not pathlib.Path('/dev/lve').exists():
        # already unloaded
        return

# Check if lve device is held by any process
    res = run(['lsof', '/dev/lve'])
    res_stdout_lines = res.stdout.split() if res.stdout is not None else []

services = [
        service for service in ['mysqld', 'mysql', 'mariadb', 'httpd', 'apache2']
        if any(line.startswith(service) for line in res_stdout_lines)
    ]

if services:
        run(['systemctl', 'restart', *services])

res = run(['modprobe', '-rf', 'kmodlve'])
    if pathlib.Path('/sys/module/kmodlve').exists():
        logging.warning('Failed to unload the lve module. Please reboot the server.')

def apply_workaround_lve_failed():
    """
    Apply workaround for the case
    When `systemctl stop lve` makes it transition to "failed" state instead of "inactive"
    """
    if get_service_state('lve') != STATE_FAILED:
        return
    set_service_state(STATE_UNMASKED, 'lve')
    set_service_state(STATE_RUNNING, 'lve')
    set_service_state(STATE_STOPPED, 'lve')
    set_service_state(STATE_MASKED, 'lve')

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Editing: limits.py

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