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91.213.11.6

File Name : persistors.py

# coding=utf-8
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
from __future__ import absolute_import
from __future__ import division
import grp
import json
import logging
import os
import pwd
import time

from clcommon.utils import run_command, ExternalProgramFailed

from lvestats.lib.commons.func import atomic_write_csv, atomic_write_str, deserialize_lve_id
from lvestats.core.plugin import LveStatsPlugin
from lvestats.lib.commons.sizeutil import mempages_to_bytes

__author__ = 'iseletsk'

class FileSaver(LveStatsPlugin):
    def __init__(self, fname='/var/lve/info'):
        """:type fname: str"""
        self.fname = fname
        self.log = logging.getLogger('plugin.file_saver')

def write(self, output):
        """
        :type output: list
        :rtype: None
        """
        atomic_write_csv(self.fname, output)

@staticmethod
    def compare_limits(lve_stat, lve_usage, LVE_VERSION):
        """
        :type LVE_VERSION: int
        :type lve_usage: lvestats.plugins.generic.aggregators.AggregatedLveUsage
        :type lve_stat: lvestat.LVEStat
        """
        res1 = (
            lve_stat.lep != lve_usage.lep or
            lve_stat.cpu != lve_usage.lcpu or
            lve_stat.lmem != lve_usage.lmem or
            lve_stat.lmemphy != lve_usage.lmemphy or
            lve_stat.lnproc != lve_usage.lnproc or
            lve_stat.io * 1024 != lve_usage.io)
        if LVE_VERSION > 6:
            res2 = lve_stat.liops != lve_usage.liops
        else:
            res2 = False

return res1 or res2

def execute(self, lve_data):
        """:type lve_data: dict"""
        LVE_VERSION = lve_data['LVE_VERSION']
        usages = lve_data.get('lve_usage_5s', {})
        new = lve_data['stats']
        output_rows = []
        for lve_id, v in usages.items():
            data = []
            data.extend([
                lve_id,                # 0 - id
                int(v.mep),            # 1 - mep
                int(v.lep),            # 2 - lep
                int(v.cpu_usage),      # 3 - cpu_usage
                int(v.lcpu),           # 4 - lcpu
                int(v.mem_usage),      # 5 - mem_usage
                int(v.lmem),           # 6 - lmem
                int(v.mem_fault),      # 7 - mem_fault
                int(v.mep_fault),      # 8 - mep_fault
                int(v.lmemphy),        # 9 - lmemphy
                int(v.memphy),         # 10 - memphy
                int(v.memphy_fault),   # 11 - memphy_fault
                int(v.lnproc),         # 12 - lnproc
                int(v.nproc),          # 13 - nproc
                int(v.nproc_fault),    # 14 - nproc_fault
                0,                     # 15 - lcpuw (deprecated not used)
                int(v.io_usage)//1024,  # 16 - io_usage
                int(v.io)//1024])       # 17 - io_limit
            if LVE_VERSION >= 8:
                data.extend([
                    int(v.liops),      # 18 - liops
                    int(v.iops)])      # 19 - iops

data.extend(['']*(20-len(data)))

# Mandatory fields for any version
            data.append(v.cpu_fault)       # 20 - cpu_fault
            data.append(v.iops_fault)      # 21 - iops_fault
            data.append(v.io_fault)        # 22 - io_fault

output_rows.append(data)

for lve_id, new_lvestat in new.items():
            lve_id, is_reseller = deserialize_lve_id(lve_id)
            if is_reseller:
                # TODO: need to create some other file format; lvp_id is not supported for now;
                continue

if usages and lve_id not in usages:
                # limits are NOT equal to defaults ?
                if 0 not in usages:
                    # no defaults?
                    self.log.warning("No defaults collected to compare with, skipping")
                    continue

# noinspection PyTypeChecker
                if self.compare_limits(lve_stat=new_lvestat, lve_usage=usages[0], LVE_VERSION=LVE_VERSION):
                    data = []

data.extend([
                        lve_id,                    # 0 - id
                        0,                         # 1 - mep
                        int(new_lvestat.lep),      # 2 - lep
                        0,                         # 3 - cpu_usage
                        int(new_lvestat.cpu),      # 4 - lcpu
                        0,                         # 5 - mem_usage
                        int(new_lvestat.lmem),     # 6 - lmem
                        0,                         # 7 - mem_fault
                        0,                         # 8 - mep_fault
                        int(new_lvestat.lmemphy),  # 9 - lmemphy
                        0,                         # 10 - memphy
                        0,                         # 11 - memphy_fault
                        int(new_lvestat.lnproc),   # 12 - lnproc
                        0,                         # 13 - nproc
                        0,                         # 14 - nproc_fault
                        0,                         # 15 - lcpuw (deprecated not used)
                        0,                         # 16 - io_usage
                        int(new_lvestat.io)])      # 17 - io_limit
                    if LVE_VERSION >= 8:
                        data.extend([
                            int(new_lvestat.liops),    # 18 - liops
                            0])                        # 19 - iops

data.extend(['']*(20-len(data)))
                    # Mandatory fields for any version
                    data.append(0)                     # 20 - cpu_fault
                    data.append(0)                     # 21 - iops_fault
                    data.append(0)                     # 22 - io_fault

output_rows.append(data)
        self.write(output_rows)

class MySQLTopFileSaver(LveStatsPlugin):

dbtop = "/usr/sbin/dbtop"

def __init__(self, fname='/var/lve/cloudlinux_dbtop.json'):
        self.fname = fname
        self.touch_fname = '/var/lve/governor.ts'
        self.log = logging.getLogger('plugin.cloudlinux_dbtop_file_saver')
        self._dbtop_exist = self._check_dbtop_exist()
        if self._dbtop_exist:  # create touch file if dbtop exist
            self._create_touch_file()

def __del__(self):
        """
        Try delete created files
        """
        self._try_unlink_file(self.touch_fname)
        self._try_unlink_file(self.fname)

def _try_unlink_file(self, fname):
        """
        Try delete file; push warning to log if wrong
        :param fname: path to file
        """
        self.log.debug('Delete %s  file' % fname)
        try:
            os.unlink(fname)
        except OSError as e:
            if e.errno != 2:  # error number 2 - No such file or directory
                self.log.warning('Can\'t delete %s file; %s' % (fname, str(e)))
        except SystemError as e:
            self.log.warning('Can\'t delete %s file; %s' % (fname, str(e)))

@staticmethod
    def _convert_to_bytes(value):
        """
        :type value: str
        :rtype: int
        """
        try:
            return int(value)
        except ValueError:
            if value[-1] in ("k", "K", "kb", "Kb"):
                return int(value[:-1]) * 1024
            elif value[-1] in ("m", "M", "mb", "Mb"):
                return int(value[:-1]) * 1024 * 1024
            elif value[-1] in ("g", "G", "gb", "Gb"):
                return int(value[:-1]) * 1024 * 1024 * 1024

def _create_touch_file(self):
        """
        Create file to touching; file owned by nobody and accessible to change
        everyone
        :return:
        """
        self.log.debug('Create %s file' % self.touch_fname)
        try:
            uid = pwd.getpwnam("nobody").pw_uid
            gid = grp.getgrnam("nobody").gr_gid
            with open(self.touch_fname, 'w'):
                pass
            os.chown(self.touch_fname, uid, gid)
            os.chmod(self.touch_fname, 0o644)
        except (IOError, OSError) as e:
            self.log.error("Can't create %s file; %s", self.touch_fname, str(e))

def _parse_dbtop_cause(self, value):
        """
        :rtype: (str, int)
        :type value: str
        """
        cause_of_restrict = "-"
        time_of_restrict = 0
        if value in ("-", ""):
            return cause_of_restrict, time_of_restrict
        if "cpu" in value:
            cause_of_restrict = "cpu"
        elif "read" in value:
            cause_of_restrict = "read"
        elif "write" in value:
            cause_of_restrict = "write"
        else:
            cause_of_restrict = "unknown"
        try:
            time_of_restrict = int(value.split("/")[-1])
        except (KeyError, ValueError):
            self.log.error("could not parse cause string: %s", value)
        return cause_of_restrict, time_of_restrict

def _check_dbtop_exist(self):
        """
        Check if dbtop util exist
        :return bool: True if exist
        """
        self.log.debug('Check exist %s file' % self.dbtop)
        return os.path.exists(self.dbtop)

def get_dbtop_info(self):
        """
        Try obtain and parse data from dtop -c output
        :rtype: dict
        """
        try:
            dbtop_output = self._get_dbtop_output()
        except ExternalProgramFailed as e:
            if "Can't connect to socket" not in str(e):
                self.log.error("dbtop execution is failed: %s", str(e))
            return {}
        result = {}
        for output in dbtop_output[1:]:
            try:
                user, cpu, read, write, cause = output.split()
            except ValueError as e:
                self.log.error("Can't unpack output: %s\n%s", str(output), str(e))
                continue
            cause_of_restrict, time_of_restrict = self._parse_dbtop_cause(cause)
            result[user] = {
                "cpu": int(cpu.split("/")[0]),
                "io": self._convert_to_bytes(read.split("/")[0]) + self._convert_to_bytes(write.split("/")[0]),
                "cause_of_restrict": cause_of_restrict,
                "time_of_restrict": time_of_restrict}
        return result

def _get_dbtop_output(self):
        """
        Run dbtop -c and split output
        :return list[str]:
        """
        cmd = [self.dbtop, "-c"]
        self.log.debug('Run "%s" command' % ' '.join(cmd))
        dbtop_output = run_command(cmd)
        return dbtop_output.strip().split("\n")

def _output(self, result):
        """
        Dump datat to file as json string
        :param result dict: data to need dump
        """
        self.log.debug('Dump data to %s file' % self.fname)
        json_result = json.dumps(result)
        try:
            atomic_write_str(self.fname, json_result)
        except (IOError, OSError) as e:
            self.log.error(str(e))

def _need_dump(self):
        """
        Check needed dump data to file. If touch file exist and was touched
        last 60 seconds we need dump data
        :return bool:
        """
        return os.path.exists(self.touch_fname) \
            and time.time() - os.stat(self.touch_fname).st_mtime <= 60

def execute(self, lve_data):
        if self._dbtop_exist and self._need_dump():
            self._output({"dbgov_data": self.get_dbtop_info()})

class CloudLinuxTopFileSaver(LveStatsPlugin):
    def __init__(self, fname='/var/lve/cloudlinux_top.json'):
        self.fname = fname
        self.log = logging.getLogger('plugin.cloudlinux_top_file_saver')

def _output(self, result):
        json_result = json.dumps(result)
        try:
            atomic_write_str(self.fname, json_result)
        except (IOError, OSError) as e:
            self.log.error(str(e))

def execute(self, lve_data):
        lve_version = lve_data['LVE_VERSION']
        usages = lve_data.get('lve_usage_5s', {})
        users, resellers = [], []
        for uid, usage in list(usages.items()):
            lve_id, is_reseller = deserialize_lve_id(uid)
            if lve_id > 0:
                user = {
                    "id": uid,
                    "usage": {
                        "ep": usage.mep,
                        # Set CPU load measurement unit as % of one CPU core
                        "cpu": {"all": usage.cpu_usage / 100.0},
                        "io": {"all": usage.io_usage},
                        "mem": mempages_to_bytes(usage.memphy),
                        "pno": usage.nproc},
                    "limit": {
                        "ep": usage.lep,
                        # Set CPU limit measurement unit as % of one CPU core
                        "cpu": {"all": usage.lcpu / 100.0},
                        "io": {"all": usage.io},
                        "mem": mempages_to_bytes(usage.lmemphy),
                        "pno": usage.lnproc}}
                if lve_version >= 8:
                    user["usage"]["iops"] = usage.iops
                    user["limit"]["iops"] = usage.liops

if is_reseller:
                    resellers.append(user)
                else:
                    users.append(user)
        self._output({"users": users, "resellers": resellers})

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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2023-09-24 06:28:07
..	dir	-	root/root	0755	2023-09-24 06:28:07
__pycache__	dir	-	root/root	0755	2023-09-24 06:28:07
__init__.py	text/plain	219 B	root/root	0644	2023-09-12 08:58:52
aggregators.py	text/x-python	5.17 KB	root/root	0644	2023-09-12 08:58:52
analyzers.py	text/x-python	9.39 KB	root/root	0644	2023-09-12 08:58:52
cleaners.py	text/x-python	4.2 KB	root/root	0644	2023-09-12 08:58:52
cm_collector.py	text/x-python	11.25 KB	root/root	0644	2023-09-12 08:58:52
collectors.py	text/x-python	3.33 KB	root/root	0644	2023-09-12 08:58:52
dbgov_saver.py	text/x-python	6.43 KB	root/root	0644	2023-09-12 08:58:52
dbsaver.py	text/x-python	5.78 KB	root/root	0644	2023-09-12 08:58:52
dbsaver_x60.py	text/x-python	9.9 KB	root/root	0644	2023-09-12 08:58:52
lvestats_memory_usage.py	text/x-python	1.59 KB	root/root	0644	2023-09-12 08:58:52
persistors.py	text/x-python	13.09 KB	root/root	0644	2023-09-12 08:58:52
snapshot_saver.py	text/x-python	16 KB	root/root	0644	2023-09-12 08:58:52
statsnotifier.py	text/plain	50.88 KB	root/root	0644	2023-09-12 08:58:52