mk_oracle_crs

#!/bin/bash
# Copyright (C) 2019 Checkmk GmbH - License: GNU General Public License v2
# This file is part of Checkmk (https://checkmk.com). It is subject to the terms and
# conditions defined in the file COPYING, which is part of this source code package.

# Reason for this no-op: shellcheck disable=... before the first command disables the error for the
# entire script.
:

# Disable unused variable error (needed to keep track of version)
# shellcheck disable=SC2034
CMK_VERSION="2.3.0b1"

# Developed by Thorsten Bruhns from OPITZ CONSULTING Deutschland GmbH

set -f

resourcefilter="^NAME=|^TYPE=|^STATE=|^TARGET=|^ENABLED="

#   .--Functions-----------------------------------------------------------.
#   |             _____                 _   _                              |
#   |            |  ___|   _ _ __   ___| |_(_) ___  _ __  ___              |
#   |            | |_ | | | | '_ \ / __| __| |/ _ \| '_ \/ __|             |
#   |            |  _|| |_| | | | | (__| |_| | (_) | | | \__ \             |
#   |            |_|   \__,_|_| |_|\___|\__|_|\___/|_| |_|___/             |
#   |                                                                      |
#   +----------------------------------------------------------------------+
#   |                                                                      |
#   '----------------------------------------------------------------------'

function set_osenv() {
    ostype=$(uname -s)
    if [ "$ostype" = 'Linux' ]; then
        ocrcfgfile=/etc/oracle/ocr.loc
        olrcfgfile=/etc/oracle/olr.loc
        GREP="grep"
    elif [ "$ostype" = 'SunOS' ]; then
        ocrcfgfile=/var/opt/oracle/ocr.loc
        olrcfgfile=/var/opt/oracle/olr.loc
        GREP=/usr/xpg4/bin/grep
    else
        ostype="unknown OS: ${ostype}"
        exit 1
    fi
}

function set_has_env() {
    test -f ${ocrcfgfile} || exit 0
    local_has_type=$($GREP "^local_only=" "$ocrcfgfile" | cut -d"=" -f2 | tr '[:lower:]' '[:upper:]')
    local_has_type=${local_has_type:-"FALSE"}

    if [ -f ${olrcfgfile} ]; then
        has_ORACLE_HOME=$($GREP "^crs_home=" "$olrcfgfile" | cut -d"=" -f2)
    else
        # There is no olr.cfg in 10.2 and 11.1
        # we try to get the ORA_CRS_HOME from /etc/init.d/init.cssd
        local_has_type=FALSE
        INITCSSD=/etc/init.d/init.cssd
        if [ ! -f ${INITCSSD} ]; then
            exit 0
        else
            has_ORACLE_HOME=$($GREP "^ORA_CRS_HOME=" ${INITCSSD} | cut -d"=" -f2-)
        fi
    fi

    CRSCTL=${has_ORACLE_HOME}/bin/crsctl
    OLSNODES=${has_ORACLE_HOME}/bin/olsnodes
    CRS_STAT=${has_ORACLE_HOME}/bin/crs_stat
}

function printhasdata() {
    ps -ef | $GREP -v grep | $GREP cssd.bin >/dev/null || exit 0

    echo "<<<oracle_crs_version:sep(124)>>>"
    $CRSCTL query has releaseversion

    echo "<<<oracle_crs_res:sep(124)>>>"
    OLS_NODENAME=$(uname -n)
    echo "nodename|$OLS_NODENAME"
    $CRSCTL stat res -f | $GREP -E $resourcefilter | sed "s/^/csslocal\|/"
}

function printcrsdata() {
    ps -ef | $GREP -v grep | $GREP -e ohasd.bin -e crsd.bin >/dev/null || exit 0

    echo "<<<oracle_crs_version:sep(124)>>>"
    crs_version=$($CRSCTL query crs releaseversion)
    echo "$crs_version"

    echo "<<<oracle_crs_voting>>>"
    $CRSCTL query css votedisk | $GREP "^ [0-9]"

    ps -ef | $GREP -v grep | $GREP crsd.bin >/dev/null || exit 0
    echo "<<<oracle_crs_res:sep(124)>>>"
    OLS_NODENAME=$($OLSNODES -l)

    echo "nodename|$OLS_NODENAME"

    crs_version_short=$(echo "$crs_version" | cut -d"[" -f2- | cut -d"." -f-2 | sed 's/\.//')
    if [ "$crs_version_short" -ge 112 ]; then
        $CRSCTL stat res -v -n "$OLS_NODENAME" -init | $GREP -E "$resourcefilter" | sed "s/^/csslocal\|/"
        for nodelist in $($OLSNODES); do
            $CRSCTL stat res -v -n "$nodelist" | $GREP -E "$resourcefilter" | sed "s/^/$nodelist\|/"
        done
    else
        $CRS_STAT -f -c "$OLS_NODENAME" | $GREP -E "$resourcefilter" | sed "s/^/$OLS_NODENAME\|/"
    fi
}

#.
#   .--Main----------------------------------------------------------------.
#   |                        __  __       _                                |
#   |                       |  \/  | __ _(_)_ __                           |
#   |                       | |\/| |/ _` | | '_ \                          |
#   |                       | |  | | (_| | | | | |                         |
#   |                       |_|  |_|\__,_|_|_| |_|                         |
#   |                                                                      |
#   +----------------------------------------------------------------------+
#   |                                                                      |
#   '----------------------------------------------------------------------'

set_osenv
set_has_env
echo "<<<oracle_crs_res>>>"
echo "<<<oracle_crs_version>>>"
echo "<<<oracle_crs_votedisk>>>"
if [ "$local_has_type" = 'FALSE' ]; then
    printcrsdata
else
    printhasdata
fi