Added check_hpux_kernel_params

configs/etc/check_hpux_kernel_params.conf.dist

@@ -0,0 +1,17 @@
+#******************************************************************************
+# @(#) check_hpux_kernel_params.conf
+#******************************************************************************
+# This is a configuration file for the check_hpux_kernel_params HC plugin.
+# All lines starting with a '#' are comment lines.
+# [default: indicates hardcoded script values if no value is defined here]
+#******************************************************************************
+
+# specify kernal parameters and their values or expression (as reported by kctune)
+# [param:<param_name>:<param_value>]
+param:nproc:5000
+param:filecache_max:50%
+
+
+#******************************************************************************
+# End of FILE
+#******************************************************************************

sources/lib/platform/hp-ux/check_hpux_kernel_params.sh

@@ -0,0 +1,135 @@
+#!/usr/bin/env ksh
+#******************************************************************************
+# @(#) check_hpux_kernel_params.sh
+#******************************************************************************
+# @(#) Copyright (C) 2017 by KUDOS BVBA (info@kudos.be).  All rights reserved.
+#
+# This program is a free software; you can redistribute it and/or modify
+# it under the same terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
+#******************************************************************************
+#
+# DOCUMENTATION (MAIN)
+# -----------------------------------------------------------------------------
+# @(#) MAIN: check_hpux_kernel_params
+# DOES: see _show_usage()
+# EXPECTS: see _show_usage()
+# REQUIRES: data_space2comma(), init_hc(), log_hc()
+#
+# @(#) HISTORY:
+# @(#) 2017-12-22: orginal version [Patrick Van der Veken]
+# -----------------------------------------------------------------------------
+# DO NOT CHANGE THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!
+#******************************************************************************
+
+# -----------------------------------------------------------------------------
+function check_hpux_kernel_params
+{
+# ------------------------- CONFIGURATION starts here -------------------------
+typeset _CONFIG_FILE="${CONFIG_DIR}/$0.conf"
+typeset _KCTUNE_BIN="/usr/sbin/kctune"
+typeset _VERSION="2017-12-22"                           # YYYY-MM-DD
+typeset _SUPPORTED_PLATFORMS="HP-UX"                    # uname -s match
+# ------------------------- CONFIGURATION ends here ---------------------------
+
+# set defaults
+(( ARG_DEBUG != 0 && ARG_DEBUG_LEVEL > 0 )) && set ${DEBUG_OPTS}
+init_hc "$0" "${_SUPPORTED_PLATFORMS}" "${_VERSION}"
+typeset _ARGS=$(data_space2comma "$*")
+typeset _ARG=""
+typeset _MSG=""
+typeset _STC=0
+typeset _PARAM_NAME=""
+typeset _CONFIG_VALUE=""
+typeset _CURR_VALUE=""
+typeset _EXPR_VALUE=""
+typeset _REPORTED_VALUE=""
+typeset _DUMMY=""
+
+# handle arguments (originally comma-separated)
+for _ARG in ${_ARGS}
+do
+    case "${_ARG}" in
+        help)
+            _show_usage $0 ${_VERSION} ${_CONFIG_FILE} && return 0
+            ;;
+    esac
+done
+
+# handle configuration file
+[[ -n "${ARG_CONFIG_FILE}" ]] && _CONFIG_FILE="${ARG_CONFIG_FILE}"
+if [[ ! -r ${_CONFIG_FILE} ]]
+then
+    warn "unable to read configuration file at ${_CONFIG_FILE}"
+    return 1
+fi
+
+# collect data (mount only)
+${_KCTUNE_BIN} >>${HC_STDOUT_LOG} 2>>${HC_STDERR_LOG}
+if (( $? != 0 )) 
+then
+    _MSG="unable to gather kctune information (not HP-UX 11.31?)"
+    log_hc "$0" 1 "${_MSG}"
+    return 0
+fi
+
+# check for each configured parameter
+grep -i '^param:' ${_CONFIG_FILE} 2>/dev/null |\
+    while IFS=':' read _DUMMY _PARAM_NAME _CONFIG_VALUE
+do
+    # check for actual values and expression values
+    _CURR_VALUE=$(grep -E -e "^${_PARAM_NAME}[ \t].*" ${HC_STDOUT_LOG} 2>/dev/null | awk '{ print $2 }')
+    _EXPR_VALUE=$(grep -E -e "^${_PARAM_NAME}[ \t].*" ${HC_STDOUT_LOG} 2>/dev/null | awk '{ print $3 }')
+
+    if [[ "${_EXPR_VALUE}" = @(Default|default) ]]
+    then
+        if [[ "${_CONFIG_VALUE}" = "${_CURR_VALUE}" ]]
+        then
+            _MSG="${_PARAM_NAME} is set with the right value (${_CURR_VALUE})"
+        else
+            _MSG="${_PARAM_NAME} has a wrong value (${_CONFIG_VALUE} != ${_CURR_VALUE})"
+            _REPORTED_VALUE="${_CURR_VALUE}"
+            _STC=1
+        fi
+    else
+        if [[ "${_CONFIG_VALUE}" = "${_EXPR_VALUE}" ]]
+        then
+            _MSG="${_PARAM_NAME} is set with the right expression (${_EXPR_VALUE})"
+        else
+            _MSG="${_PARAM_NAME} has a wrong expression (${_CONFIG_VALUE} != ${_EXPR_VALUE})"
+            _REPORTED_VALUE="${_EXPR_VALUE}"
+            _STC=1
+        fi
+    fi
+
+    # handle unit result
+    log_hc "$0" ${_STC} "${_MSG}" "${_REPORTED_VALUE}" "${_CONFIG_VALUE}"
+    _STC=0
+done
+
+return 0
+}
+
+# -----------------------------------------------------------------------------
+function _show_usage
+{
+cat <<- EOT
+NAME    : $1
+VERSION : $2
+CONFIG  : $3 with formatted stanzas:
+            param:<my_param1>:<my_param1_value>
+PURPOSE : Checks kernel parameters have a correct run-time value/expression
+
+EOT
+
+return 0
+}
+
+#******************************************************************************
+# END of script
+#******************************************************************************