* Fix in display_init plugin for larger field
* check_linux_httpd_status plugin: added support for configuration parameters 'httpd_path' and changed meaning of 'httpd_bin' in order to support debian/ubuntu distros using the 'apache(2)' binary
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@ -17,10 +17,16 @@ log_healthy="no"
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# [release >20191101]
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check_type="auto"
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# specify name of the httpd binary
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# Format: httpd|apache|apache2
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# [default: httpd]
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# [release >20201010]
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httpd_bin="httpd"
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# specify custom path to the httpd binary
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# [default: null]
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# [release >20191101]
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httpd_bin=""
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# [release >20201010]
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httpd_path=""
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#******************************************************************************
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@ -31,7 +31,7 @@
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function display_init
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{
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# ------------------------- CONFIGURATION starts here -------------------------
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typeset _VERSION="2019-03-22" # YYYY-MM-DD
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typeset _VERSION="2020-10-10" # YYYY-MM-DD
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typeset _SUPPORTED_PLATFORMS="AIX,HP-UX,Linux" # uname -s match
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# ------------------------- CONFIGURATION ends here ---------------------------
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@ -139,7 +139,7 @@ fi
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# print status line (but also check for terminal support)
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# shellcheck disable=SC1117
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printf "%-30s %50s\t[ %8s ]%s\n" \
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printf "%-45s %50s\t[ %8s ]%s\n" \
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"${_DISPLAY_HC}" \
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"(${_DISPLAY_CFG})" \
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"${_DISPLAY_COLOR}${_DISPLAY_CODE}${_NORMAL}" \
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@ -32,6 +32,9 @@
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# @(#) 2019-03-16: replace 'which' [Patrick Van der Veken]
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# @(#) 2019-11-01: added support for configuration parameters 'check_type' and
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# @(#) 'httpd_bin' [Patrick Van der Veken]
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# @(#) 2020-10-10: added support for configuration parameters 'httpd_path' and
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# @(#) changed meaning of 'httpd_bin' in order to support debian/ubuntu
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# @(#) distros using the 'apache(2)' binary [Patrick Van der Veken]
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# -----------------------------------------------------------------------------
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# DO NOT CHANGE THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!
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#******************************************************************************
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@ -41,9 +44,7 @@ function check_linux_httpd_status
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{
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# ------------------------- CONFIGURATION starts here -------------------------
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typeset _CONFIG_FILE="${CONFIG_DIR}/$0.conf"
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typeset _HTTPD_INIT_SCRIPT="/etc/init.d/httpd"
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typeset _HTTPD_SYSTEMD_SERVICE="httpd.service"
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typeset _VERSION="2019-11-01" # YYYY-MM-DD
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typeset _VERSION="2020-10-10" # YYYY-MM-DD
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typeset _SUPPORTED_PLATFORMS="Linux" # uname -s match
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# ------------------------- CONFIGURATION ends here ---------------------------
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@ -54,13 +55,19 @@ typeset _ARGS=$(data_comma2space "$*")
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typeset _ARG=""
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typeset _MSG=""
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typeset _STC=0
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typeset _HTTPD_INIT_SCRIPT=""
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typeset _HTTPD_SYSTEMD_SERVICE=""
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typeset _CHECK_SYSTEMD_SERVICE=0
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typeset _CFG_HEALTHY=""
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typeset _LOG_HEALTHY=0
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typeset _CFG_HTTPD_BIN=""
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typeset _HTTPD_BIN=""
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typeset _CFG_HTTPD_PATH=""
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typeset _HTTPD_PATH=""
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typeset _HTTPD_COMMAND=""
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typeset _CFG_CHECK_TYPE=""
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typeset _DO_PGREP=0
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typeset _HTTPD_CHECKER=""
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typeset _RC=0
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# handle arguments (originally comma-separated)
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@ -103,8 +110,15 @@ esac
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_CFG_HTTPD_BIN=$(_CONFIG_FILE="${_CONFIG_FILE}" data_get_lvalue_from_config 'httpd_bin')
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if [[ -n "${_CFG_HTTPD_BIN}" ]]
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then
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_HTTPD_BIN="${_CFG_HTTPD_BIN}"
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log "setting httpd path to {${_HTTPD_BIN}} (config override)"
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# strip path if full path is used (2019-11-01 version)
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_HTTPD_BIN="$(basename ${_CFG_HTTPD_BIN})"
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log "setting httpd binary to {${_HTTPD_BIN}} (config override)"
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fi
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_CFG_HTTPD_PATH=$(_CONFIG_FILE="${_CONFIG_FILE}" data_get_lvalue_from_config 'httpd_path')
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if [[ -n "${_CFG_HTTPD_PATH}" ]]
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then
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_HTTPD_PATH="${_CFG_HTTPD_PATH}"
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log "setting httpd path to {${_HTTPD_PATH}} (config override)"
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fi
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_CFG_HEALTHY=$(_CONFIG_FILE="${_CONFIG_FILE}" data_get_lvalue_from_config 'log_healthy')
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case "${_CFG_HEALTHY}" in
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@ -131,12 +145,39 @@ else
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log "not logging/showing passed health checks"
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fi
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# check init/systemd settings
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case "${_HTTPD_BIN}" in
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apache2)
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typeset _HTTPD_INIT_SCRIPT="/etc/init.d/apache2"
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typeset _HTTPD_SYSTEMD_SERVICE="apache2.service"
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;;
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apache)
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typeset _HTTPD_INIT_SCRIPT="/etc/init.d/apache"
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typeset _HTTPD_SYSTEMD_SERVICE="apache.service"
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;;
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*)
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typeset _HTTPD_INIT_SCRIPT="/etc/init.d/httpd"
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typeset _HTTPD_SYSTEMD_SERVICE="apache.httpd"
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;;
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esac
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log "setting httpd init script to {${_HTTPD_INIT_SCRIPT}}"
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log "setting httpd systemd service to {${_HTTPD_SYSTEMD_SERVICE}}"
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# check httpd (if specified)
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if [[ -z "${_HTTPD_BIN}" ]]
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if [[ -z "${_HTTPD_BIN}" || -z "${_HTTPD_PATH}" ]]
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then
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_HTTPD_BIN="$(command -v httpd 2>>${HC_STDERR_LOG})"
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if [[ -z "${_HTTPD_BIN}" ]]
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then
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_HTTPD_COMMAND="$(command -v httpd 2>>${HC_STDERR_LOG})"
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else
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_HTTPD_COMMAND="$(command -v ${_HTTPD_BIN} 2>>${HC_STDERR_LOG})"
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fi
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if [[ -n "${_HTTPD_COMMAND}" ]]
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then
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_HTTPD_BIN="$(basename ${_HTTPD_COMMAND})"
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_HTTPD_PATH="$(dirname ${_HTTPD_COMMAND})"
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fi
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fi
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if [[ ! -x ${_HTTPD_BIN} || -z "${_HTTPD_BIN}" ]]
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if [[ ! -x ${_HTTPD_PATH}/${_HTTPD_BIN} || -z "${_HTTPD_BIN}" || -z "${_HTTPD_PATH}" ]]
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then
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warn "httpd (apache) is not installed here"
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return 1
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@ -184,19 +225,19 @@ fi
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# 2) try the pgrep way (note: old pgreps do not support '-c')
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if (( _DO_PGREP > 0 || _RC > 0 ))
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then
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(( $(pgrep -u root httpd 2>>${HC_STDERR_LOG} | wc -l 2>/dev/null) == 0 )) && _STC=1
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(( $(pgrep -u root "${_HTTPD_BIN}" 2>>${HC_STDERR_LOG} | wc -l 2>/dev/null) == 0 )) && _STC=1
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fi
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# evaluate results
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case ${_STC} in
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0)
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_MSG="httpd is running"
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_MSG="${_HTTPD_BIN} is running"
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;;
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1)
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_MSG="httpd is not running"
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_MSG="${_HTTPD_BIN} is not running"
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;;
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*)
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_MSG="could not determine status of httpd"
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_MSG="could not determine status of ${_HTTPD_BIN}"
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;;
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esac
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if (( _LOG_HEALTHY > 0 || _STC > 0 ))
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@ -205,18 +246,34 @@ then
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fi
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# ---- config state ----
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${_HTTPD_BIN} -t >>${HC_STDOUT_LOG} 2>>${HC_STDERR_LOG}
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if (( $? == 0 ))
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case "${_HTTPD_BIN}" in
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apache2)
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_HTTPD_CHECKER="$(command -v apache2ctl 2>>${HC_STDERR_LOG})"
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;;
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apache)
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_HTTPD_CHECKER="$(command -v apachectl 2>>${HC_STDERR_LOG})"
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;;
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*)
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_HTTPD_CHECKER="${_HTTPD_PATH}/${_HTTPD_BIN}"
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;;
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esac
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if [[ -x ${_HTTPD_CHECKER} ]]
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then
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_MSG="httpd configuration files are syntactically correct"
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_STC=0
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${_HTTPD_CHECKER} -t >>${HC_STDOUT_LOG} 2>>${HC_STDERR_LOG}
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if (( $? == 0 ))
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then
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_MSG="${_HTTPD_BIN} configuration files are syntactically correct"
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_STC=0
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else
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_MSG="${_HTTPD_BIN} configuration files have syntax error(s) {${_HTTPD_CHECKER} -t}"
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_STC=1
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fi
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if (( _LOG_HEALTHY > 0 || _STC > 0 ))
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then
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log_hc "$0" ${_STC} "${_MSG}"
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fi
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else
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_MSG="httpd configuration files have syntax error(s) {httpd -s}"
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_STC=1
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fi
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if (( _LOG_HEALTHY > 0 || _STC > 0 ))
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then
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log_hc "$0" ${_STC} "${_MSG}"
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warn "skipping syntax check (unable to find syntax check tool)"
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fi
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return 0
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@ -231,7 +288,8 @@ VERSION : $2
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CONFIG : $3 with parameters:
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log_healthy=<yes|no>
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check_type=<auto|pgrep|sysv|systemd> [compt. >=2019-11-01]
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httpd_bin=<path_to_httpd> [compt. >=2019-11-01]
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httpd_bin=<name_of_httpd> [compt. >=2020-10-10]
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httpd_path=<path_to_httpd> [compt. >=2020-10-10]
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PURPOSE : Checks whether httpd (apache service) is running and whether the
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httpd configuration files are syntactically correct
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LOG HEALTHY : Supported
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