Add support for OpenVZ 7.x
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@ -11,13 +11,18 @@
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# [default: no]
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log_healthy="no"
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# specify properties as displayed by the 'vzlist -a -H -o ctid,status,onboot' command
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# specify properties as displayed by the following commands:
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# OpenVZ 6.x: 'vzlist -a -H -o ctid,status,onboot'
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# OpenVZ 7.x: 'prlctl list --info -a' (release >20200411)
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# Format:
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# [ct:<ct_id>:<runtime_status>:<boot_status>]
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# runtime_status should be 'running' or 'stopped'
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# boot_status should be 'yes' or 'no'
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# Examples:
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# boot_status should be 'yes' or 'no' (OpenVZ 6.x)
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# boot_status should be 'on' of 'off' (OpenVZ 7.x)
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# Examples (OpenVZ 6.x):
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#ct:100:running:yes
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# Examples (OpenVZ 7.x) (release >20200411):
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#ct:621240e6-fa79-406a-a3f9-26de47b5d789:running:on
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#******************************************************************************
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@ -19,8 +19,8 @@
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# @(#) MAIN: check_linux_vz_ct_status
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# DOES: see _show_usage()
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# EXPECTS: see _show_usage()
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# REQUIRES: data_comma2space(), data_is_numeric(), data_lc(), dump_logs(),
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# init_hc(), log_hc(), warn()
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# REQUIRES: data_comma2space(), data_is_numeric(), data_has_newline(), data_lc(),
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# dump_logs(), init_hc(), log_hc(), warn()
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#
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# @(#) HISTORY:
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# @(#) 2017-04-01: initial version [Patrick Van der Veken]
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@ -32,6 +32,7 @@
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# @(#) 2018-10-28: fixed (linter) errors [Patrick Van der Veken]
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# @(#) 2019-01-24: arguments fix [Patrick Van der Veken]
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# @(#) 2019-02-08: added support for log_healthy + fixes [Patrick Van der Veken]
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# @(#) 2020-04-11: added support for OpenVZ 7 [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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@ -43,7 +44,9 @@ function check_linux_vz_ct_status
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typeset _CONFIG_FILE="${CONFIG_DIR}/$0.conf"
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typeset _VZLIST_BIN="/usr/sbin/vzlist"
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typeset _VZLIST_OPTS="-a -H -o ctid,status,onboot"
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typeset _VERSION="2019-02-08" # YYYY-MM-DD
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typeset _PRLCTL_BIN="/bin/prlctl"
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typeset _PRLCTL_OPTS="list --info -a"
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typeset _VERSION="2020-04-11" # 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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@ -64,8 +67,9 @@ typeset _CT_RUN_STATUS=""
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typeset _CT_CFG_BOOT=""
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typeset _CT_RUN_BOOT=""
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typeset _CT_ENTRY=""
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typeset _CT_MATCH=""
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typeset _HAS_VZ6=0
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typeset _RC=0
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set -A _CHECK_CT
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# handle arguments (originally comma-separated)
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for _ARG in ${_ARGS}
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@ -110,14 +114,24 @@ else
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log "not logging/showing passed health checks"
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fi
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# check openvz
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if [[ ! -x ${_VZLIST_BIN} || -z "${_VZLIST_BIN}" ]]
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# check openvz (6.x or 7.x)
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if [[ ! -x ${_PRLCTL_BIN} || -z "${_PRLCTL_BIN}" ]]
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then
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if [[ ! -x ${_VZCTL_BIN} || -z "${_VZCTL_BIN}" ]]
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then
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warn "OpenVZ is not installed here"
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return 1
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else
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log "OpenVZ 6.x is installed here"
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_HAS_VZ6=1
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fi
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else
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log "OpenVZ 7.x is installed here"
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fi
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# get container stati
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if (( _HAS_VZ6 > 0 ))
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then
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${_VZLIST_BIN} ${_VZLIST_OPTS} >${HC_STDOUT_LOG} 2>${HC_STDERR_LOG}
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(( $? > 0 )) && {
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_MSG="unable to run command {${_VZLIST_BIN} ${_VZLIST_OPTS}}"
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@ -126,6 +140,16 @@ ${_VZLIST_BIN} ${_VZLIST_OPTS} >${HC_STDOUT_LOG} 2>${HC_STDERR_LOG}
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(( ARG_DEBUG > 0 && ARG_DEBUG_LEVEL > 0 )) && dump_logs
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return 0
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}
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else
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${_PRLCTL_BIN} ${_PRLCTL_OPTS} >${HC_STDOUT_LOG} 2>${HC_STDERR_LOG}
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(( $? > 0 )) && {
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_MSG="unable to run command {${_PRLCTL_BIN} ${_PRLCTL_OPTS}}"
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log_hc "$0" 1 "${_MSG}"
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# dump debug info
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(( ARG_DEBUG > 0 && ARG_DEBUG_LEVEL > 0 )) && dump_logs
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return 0
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}
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fi
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# check configuration values
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grep -E -e '^ct:' ${_CONFIG_FILE} 2>/dev/null | cut -f2- -d':' 2>/dev/null |\
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@ -137,12 +161,15 @@ do
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_CT_CFG_BOOT=$(data_lc "$(print ${_CT_ENTRY} | cut -f3 -d':' 2>/dev/null)")
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# check config
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if (( _HAS_VZ6 > 0 ))
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then
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data_is_numeric "${_CT_ID}"
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if (( $? > 0 ))
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then
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warn "invalid container ID '${_CT_ID}' in configuration file ${_CONFIG_FILE} at data line ${_LINE_COUNT}"
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continue
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fi
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fi
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case "${_CT_CFG_STATUS}" in
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running|stopped)
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;;
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@ -151,6 +178,8 @@ do
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continue
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;;
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esac
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if (( _HAS_VZ6 > 0 ))
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then
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case "${_CT_CFG_BOOT}" in
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yes|no)
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;;
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@ -159,26 +188,92 @@ do
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continue
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;;
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esac
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else
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case "${_CT_CFG_BOOT}" in
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on|off)
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;;
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*)
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warn "invalid container boot value '${_CT_CFG_BOOT}' in configuration file ${_CONFIG_FILE} at data line ${_LINE_COUNT}"
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continue
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;;
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esac
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fi
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# add CT to check check list
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_CHECK_CT[${#_CHECK_CT[*]}+1]="${_CT_ID}"
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_LINE_COUNT=$(( _LINE_COUNT + 1 ))
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done
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# perform checks
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grep -E -e '^ct:' ${_CONFIG_FILE} 2>/dev/null | cut -f2- -d':' 2>/dev/null |\
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while read -r _CT_ENTRY
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# fetch data & perform checks
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for _CT_ID in "${_CHECK_CT[@]}"
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do
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# field split
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_CT_ID=$(print "${_CT_ENTRY}" | cut -f1 -d':' 2>/dev/null)
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_CT_CFG_STATUS=$(data_lc "$(print ${_CT_ENTRY} | cut -f2 -d':' 2>/dev/null)")
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_CT_CFG_BOOT=$(data_lc "$(print ${_CT_ENTRY} | cut -f3 -d':' 2>/dev/null)")
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_CT_CFG_STATUS=$(grep "^ct:${_CT_ID}" ${_CONFIG_FILE} 2>/dev/null | cut -f3 -d':' 2>/dev/null)
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_CT_CFG_BOOT=$(grep "^ct:${_CT_ID}" ${_CONFIG_FILE} 2>/dev/null | cut -f4 -d':' 2>/dev/null)
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# check run-time values
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_CT_MATCH=$(grep -i "^[[:space:]]*${_CT_ID}" ${HC_STDOUT_LOG} 2>/dev/null)
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if [[ -n "${_CT_MATCH}" ]]
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# check for multiple hits
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data_has_newline "${_CT_CFG_STATUS}"
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# shellcheck disable=SC2181
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if (( $? > 0 ))
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then
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warn "ignoring ${_CT_ID}:${_CT_CFG_STATUS} because it parses to multiple results in ${_CONFIG_FILE}"
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continue
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fi
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data_has_newline "${_CT_CFG_BOOT}"
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# shellcheck disable=SC2181
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if (( $? > 0 ))
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then
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warn "ignoring ${_CT_ID}:${_CT_CFG_BOOT} because it parses to multiple results in ${_CONFIG_FILE}"
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continue
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fi
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_CT_CFG_STATUS=$(data_lc "${_CT_CFG_STATUS}")
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_CT_CFG_BOOT=$(data_lc "${_CT_CFG_BOOT}")
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# fetch current data
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if (( _HAS_VZ6 > 0 ))
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then
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_CT_ENTRY=$(grep -i "^[[:space:]]*${_CT_ID}" ${HC_STDOUT_LOG} 2>/dev/null)
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if [[ -n "${_CT_ENTRY}" ]]
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then
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# field split
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_CT_RUN_STATUS=$(data_lc "$(print ${_CT_MATCH} | awk '{print $2}' 2>/dev/null)")
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_CT_RUN_BOOT=$(data_lc "$(print ${_CT_MATCH} | awk '{print $3}' 2>/dev/null)")
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_CT_RUN_STATUS=$(data_lc "$(print ${_CT_ENTRY} | awk '{print $2}' 2>/dev/null)")
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_CT_RUN_BOOT=$(data_lc "$(print ${_CT_ENTRY} | awk '{print $3}' 2>/dev/null)")
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fi
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else
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awk -F":" -v ct_id="${_CT_ID}" '
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BEGIN {
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found_ct = 0; ct_state = ""; auto_start = "";
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regex_ct = "^EnvID:[[:space:]]+"ct_id;
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}
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{
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if ($0 ~ regex_ct) {
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found_ct = 1;
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} else {
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if (found_ct == 1 && $0 ~ /State:/) {
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ct_state = $2;
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gsub (/[[:space:]]/, "", ct_state);
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#print "State:" ct_state;
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}
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if (found_ct == 1 && $0 ~ /Autostart:/) {
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auto_start = $2;
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gsub (/[[:space:]]/, "", auto_start);
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#print "Start:" auto_start;
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}
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}
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if ($0 ~ /^$/) { found_ct = 0; }
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# bail out when we have both data points
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if (found_ct == 0 && ct_state && auto_start) { nextfile; };
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}
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END {
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printf ("%s:%s", ct_state, auto_start);
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}
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' ${HC_STDOUT_LOG} 2>/dev/null | IFS=":" read -r _CT_RUN_STATUS _CT_RUN_BOOT
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fi
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# check stati
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if [[ -n "${_CT_RUN_STATUS}" ]] && [[ -n "${_CT_RUN_BOOT}" ]]
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then
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if [[ "${_CT_RUN_STATUS}" = "${_CT_CFG_STATUS}" ]]
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then
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_MSG="container ${_CT_ID} has a correct status [${_CT_RUN_STATUS}]"
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@ -205,8 +300,14 @@ do
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log_hc "$0" ${_STC} "${_MSG}" "${_CT_RUN_BOOT}" "${_CT_CFG_BOOT}"
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fi
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else
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if (( _HAS_VZ6 > 0 ))
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then
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warn "could not determine status for container ${_CT_ID} from command output {${_VZLIST_BIN} ${_VZLIST_OPTS}}"
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else
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warn "could not determine status for container ${_CT_ID} from command output {${_PRLCTL_BIN} ${_PRLCTL_OPTS}}"
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fi
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_RC=$(( _RC + 1 ))
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continue
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fi
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done
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@ -219,10 +320,11 @@ function _show_usage
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cat <<- EOT
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NAME : $1
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VERSION : $2
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CONFIG : $3 with:
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CONFIG : $3 with formatted stanzas:
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ct:<ctid>:<runtime_status>:<boot_status>
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PURPOSE : Checks whether OpenVZ containers are running or not
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LOG HEALTHY : Supported
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NOTES : Supports OpenVZ 6.x & OpenVZ 7.x (release >20200411)
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EOT
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