✏️ Editing: pacemaker.py Read Only

# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.

import re
from datetime import datetime, timedelta
from sos.report.plugins import (Plugin, RedHatPlugin, DebianPlugin,
                                UbuntuPlugin, PluginOpt)
from sos.utilities import sos_parse_version

class Pacemaker(Plugin):

short_desc = 'Pacemaker high-availability cluster resource manager'

plugin_name = "pacemaker"
    profiles = ("cluster", )
    packages = (
        "pacemaker",
        "pacemaker-remote",
    )

option_list = [
        PluginOpt('crm-from', default='', val_type=str,
                  desc='specfiy the start time for crm_report'),
        PluginOpt('crm-scrub', default=True,
                  desc='enable crm_report password scrubbing')
    ]

envfile = ""

def setup_crm_mon(self):
        """ Get cluster summary """
        self.add_cmd_output("crm_mon -1 -A -n -r -t")

def setup_crm_shell(self):
        """ Get cluster status and configuration """
        self.add_cmd_output([
            "crm status",
            "crm configure show",
        ])

def setup_pcs(self):
        """ Get pacemaker/corosync configuration """
        pcs_pkg = self.policy.package_manager.pkg_by_name('pcs')
        if pcs_pkg is None:
            return

self.add_copy_spec("/var/log/pcsd/pcsd.log")
        self.add_cmd_output([
            "pcs stonith sbd status --full",
            "pcs stonith sbd watchdog list",
            "pcs stonith history show",
        ])

pcs_version = '.'.join(pcs_pkg['version'])
        if sos_parse_version(pcs_version) > sos_parse_version('0.10.8'):
            self.add_cmd_output("pcs property config --all")
        else:
            self.add_cmd_output("pcs property list --all")

self.add_cmd_output("pcs config", tags="pcs_config")
        self.add_cmd_output("pcs quorum status", tags="pcs_quorum_status")
        self.add_cmd_output("pcs status --full", tags="pcs_status")

def postproc_crm_shell(self):
        """ Clear password and api keys """
        self.do_cmd_output_sub(
            "crm configure show",
            r"passw([^\s=]*)=\S+",
            r"passw\1=********"
        )
        self.do_cmd_output_sub(
            "crm configure show",
            r"(api[_]?key[^\s=]*)=\S+",
            r"\1=********"
        )

def postproc_pcs(self):
        """ Clear password """
        self.do_cmd_output_sub(
            "pcs config",
            r"passw([^\s=]*)=\S+",
            r"passw\1=********"
        )

def setup(self):
        self.add_copy_spec([
            # Pacemaker 2.x default log locations
            "/var/log/pacemaker/pacemaker.log*",
            "/var/log/pacemaker/bundles/*/",
            "/var/log/pacemaker/pengine*",

# Pacemaker 1.x default log locations
            "/var/log/pacemaker.log",
            "/var/log/pacemaker/bundles/*/",

# Common user-specified locations
            "/var/log/cluster/pacemaker.log*",
            "/var/log/cluster/bundles/*/",
        ])

self.setup_crm_mon()

# crm_report needs to be given a --from "YYYY-MM-DD HH:MM:SS" start
        # time in order to collect data.
        crm_from = (datetime.today() -
                    timedelta(hours=72)).strftime("%Y-%m-%d %H:%m:%S")
        if self.get_option("crm-from"):
            if re.match(r'\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}',
                        str(self.get_option("crm-from"))):
                crm_from = self.get_option("crm-from")
            else:
                self._log_error(
                    f"crm_from parameter '{self.get_option('crm-from')}' is "
                    "not a valid date: using default")

crm_dest = self.get_cmd_output_path(name="crm_report", make=False)
        if self.get_option("crm-scrub"):
            crm_scrub = '-p "passw.*"'
        else:
            crm_scrub = ""
            self._log_warn("scrubbing of crm passwords has been disabled:")
            self._log_warn("data collected by crm_report may contain"
                           " sensitive values.")
        self.add_cmd_output(f'crm_report --sos-mode {crm_scrub} -S -d '
                            f' --dest {crm_dest} --from "{crm_from}"',
                            chroot=self.tmp_in_sysroot())

# collect user-defined logfiles, matching a shell-style syntax:
        #   PCMK_logfile=filename
        # specified in the pacemaker start-up environment file.
        pattern = r'^\s*PCMK_logfile=[\'\"]?(\S+)[\'\"]?\s*(\s#.*)?$'
        if self.path_isfile(self.envfile):
            self.add_copy_spec(self.envfile)
            with open(self.envfile, 'r', encoding='UTF-8') as file:
                for line in file:
                    if re.match(pattern, line):
                        # remove trailing and leading quote marks, in case the
                        # line is e.g. PCMK_logfile="/var/log/pacemaker.log"
                        logfile = re.search(pattern, line).group(1)
                        for regexp in [r'^"', r'"$', r'^\'', r'\'$']:
                            logfile = re.sub(regexp, '', logfile)
                        self.add_copy_spec(logfile)

class DebianPacemaker(Pacemaker, DebianPlugin, UbuntuPlugin):
    def setup(self):
        self.envfile = self.path_join("/etc/default/pacemaker")
        self.setup_crm_shell()
        self.setup_pcs()
        super().setup()

def postproc(self):
        self.postproc_crm_shell()
        self.postproc_pcs()

class RedHatPacemaker(Pacemaker, RedHatPlugin):
    def setup(self):
        self.envfile = self.path_join("/etc/sysconfig/pacemaker")
        self.setup_pcs()
        self.add_copy_spec("/etc/sysconfig/sbd")
        super().setup()

def postproc(self):
        self.postproc_pcs()

# vim: et ts=4 sw=4

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