VRF 1.3.0: proper error checking for asynchronous jobs, using logc(). Other fixes.
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patvdv
parent
53bdeb8ec6
commit
d1f0944971
139
manage_sudo.sh
139
manage_sudo.sh
@ -22,9 +22,9 @@
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# EXPECTS: (see --help for more options)
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# REQUIRES: check_config(), check_logging(), check_params(), check_root_user(),
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# check_setup(), check_syntax(), count_fields(), die(), display_usage(),
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# distribute2host(), do_cleanup(), fix2host(), log(), resolve_host(),
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# sftp_file(), update2host(), validate_syntax(), wait_for_children(),
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# warn()
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# distribute2host(), do_cleanup(), fix2host(), log(), logc(),
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# resolve_host(), sftp_file(), update2host(), validate_syntax(),
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# wait_for_children(), warn()
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# For other pre-requisites see the documentation in display_usage()
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#
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# @(#) HISTORY:
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@ -44,6 +44,8 @@
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# @(#) 2015-08-27: smmall fix in sftp_file() (VRF 1.2.2) [Patrick Van der Veken]
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# @(#) 2015-08-28: check_config() update (VRF 1.2.3) [Patrick Van der Veken]
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# @(#) 2015-09-04: fix in wait_for_children (VRF 1.2.4) [Patrick Van der Veken]
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# @(#) 2015-09-06: proper error checking in fix2host(), update2host() by using
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# @(#) logc() (VRF 1.3.0) [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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@ -57,7 +59,7 @@
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# or LOCAL_CONFIG_FILE instead
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# define the V.R.F (version/release/fix)
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MY_VRF="1.2.4"
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MY_VRF="1.3.0"
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# name of the global configuration file (script)
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GLOBAL_CONFIG_FILE="manage_sudo.conf"
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# name of the local configuration file (script)
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@ -77,8 +79,10 @@ FIX_CREATE=0
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CAN_CHECK_SYNTAX=1
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CAN_REMOVE_TEMP=1
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TMP_FILE="${TMP_DIR}/.${SCRIPT_NAME}.$$"
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TMP_RC_FILE="${TMP_DIR}/.${SCRIPT_NAME}.rc.$$"
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# command-line parameters
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ARG_ACTION=0 # default is nothing
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ARG_FIX_DIR="" # location of SUDO controls directory
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ARG_LOG_DIR="" # location of the log directory (~root etc)
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ARG_LOCAL_DIR="" # location of the local SUDO control files
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ARG_REMOTE_DIR="" # location of the remote SUDO control files
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@ -471,7 +475,7 @@ return 0
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function distribute2host
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{
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SERVER="$1"
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ERROR_COUNT=0
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# convert line to hostname
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SERVER=${SERVER%%;*}
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resolve_host ${SERVER}
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@ -498,6 +502,7 @@ do
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log "transferred ${FILE%!*} to ${SERVER}:${REMOTE_DIR}"
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else
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warn "failed to transfer ${FILE%!*} to ${SERVER}:${REMOTE_DIR} [RC=${COPY_RC}]"
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ERROR_COUNT=$(( ERROR_COUNT + 1 ))
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fi
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done
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# 2) fragments files
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@ -524,6 +529,7 @@ then
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log "transferred ${TMP_MERGE_FILE} to ${SERVER}:${REMOTE_DIR}"
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else
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warn "failed to transfer ${TMP_MERGE_FILE%!*} to ${SERVER}:${REMOTE_DIR} [RC=${COPY_RC}]"
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ERROR_COUNT=$(( ERROR_COUNT + 1 ))
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fi
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[[ -d ${TMP_WORK_DIR} ]] && rm -rf ${TMP_WORK_DIR} 2>/dev/null
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else
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@ -534,10 +540,11 @@ else
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log "transferred ${FRAGS_FILE} to ${SERVER}:${REMOTE_DIR}"
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else
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warn "failed to transfer ${FRAGS_FILE} to ${SERVER}:${REMOTE_DIR} [RC=${COPY_RC}]"
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ERROR_COUNT = $(( ERROR_COUNT + 1 ))
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fi
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fi
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return 0
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return ${ERROR_COUNT}
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}
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# -----------------------------------------------------------------------------
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@ -548,6 +555,7 @@ log "performing cleanup ..."
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# remove temporary file(s)
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[[ -f ${TMP_FILE} ]] && rm -f ${TMP_FILE} >/dev/null 2>&1
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[[ -f ${TMP_MERGE_FILE} ]] && rm -f ${TMP_MERGE_FILE} >/dev/null 2>&1
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[[ -f ${TMP_RC_FILE} ]] && rm -f ${TMP_RC_FILE} >/dev/null 2>&1
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# temporary scan file (syntax check)
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if (( CAN_REMOVE_TEMP ))
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then
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@ -580,25 +588,35 @@ log "fixing sudo controls on ${SERVER} ..."
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if [[ -z "${SUDO_UPDATE_USER}" ]]
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then
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# own user w/ sudo
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log "$(ssh ${SSH_ARGS} ${SERVER} sudo -n ${REMOTE_DIR}/${SCRIPT_NAME} --fix-local --fix-dir=${SERVER_DIR})"
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( RC=0; ssh ${SSH_ARGS} ${SERVER} sudo -n ${REMOTE_DIR}/${SCRIPT_NAME} --fix-local --fix-dir=${SERVER_DIR};
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print "$?" > ${TMP_RC_FILE}; exit
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) 2>&1 | logc
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elif [[ "${SUDO_UPDATE_USER}" != "root" ]]
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then
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# other user w/ sudo
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log "$(ssh ${SSH_ARGS} ${SUDO_UPDATE_USER}@${SERVER} sudo -n ${REMOTE_DIR}/${SCRIPT_NAME} --fix-local --fix-dir=${SERVER_DIR})"
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( RC=0; ssh ${SSH_ARGS} ${SUDO_UPDATE_USER}@${SERVER} sudo -n ${REMOTE_DIR}/${SCRIPT_NAME} --fix-local --fix-dir=${SERVER_DIR};
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print "$?" > ${TMP_RC_FILE}; exit
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) 2>&1 | logc
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else
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# root user w/o sudo
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log "$(ssh ${SSH_ARGS} ${SUDO_UPDATE_USER}@${SERVER} ${REMOTE_DIR}/${SCRIPT_NAME} --fix-local --fix-dir=${SERVER_DIR})"
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( RC=0; ssh ${SSH_ARGS} root@${SERVER} ${REMOTE_DIR}/${SCRIPT_NAME} --fix-local --fix-dir=${SERVER_DIR};
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print "$?" > ${TMP_RC_FILE}; exit
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) 2>&1 | logc
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fi
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# no error checking possible here due to log(), done in called script
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return 0
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# fetch return code from subshell
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RC="$(< ${TMP_RC_FILE})"
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return ${RC}
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}
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# -----------------------------------------------------------------------------
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# log an INFO: message (via ARG).
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function log
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{
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NOW="$(date '+%d-%h-%Y %H:%M:%S')"
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# log an INFO: message (via ARG).
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if [[ -n "$1" ]]
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then
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if (( ARG_LOG ))
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@ -624,6 +642,63 @@ fi
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return 0
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}
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# -----------------------------------------------------------------------------
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# log an INFO: message (via STDIN). Do not use when STDIN is still open
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function logc
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{
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NOW="$(date '+%d-%h-%Y %H:%M:%S')"
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LOG_STDIN=""
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# process STDIN (if any)
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[[ ! -t 0 ]] && LOG_STDIN="$(cat)"
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if [[ -n "${LOG_STDIN}" ]]
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then
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if (( ARG_LOG ))
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then
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print - "${LOG_STDIN}" | while read LOG_LINE
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do
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# filter leading 'INFO:'
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LOG_LINE="${LOG_LINE#INFO: *}"
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print "${NOW}: INFO: [$$]:" "${LOG_LINE}" >> ${LOG_FILE}
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done
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fi
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if (( ARG_VERBOSE ))
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then
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print - "${LOG_STDIN}" | while read LOG_LINE
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do
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# filter leading 'INFO:'
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LOG_LINE="${LOG_LINE#INFO: *}"
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print "INFO:" "${LOG_LINE}"
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done
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fi
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fi
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# process ARG (if any)
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if [[ -n "$1" ]]
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then
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if (( ARG_LOG != 0 ))
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then
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print - "$*" | while read LOG_LINE
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do
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# filter leading 'INFO:'
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LOG_LINE="${LOG_LINE#INFO: *}"
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print "${NOW}: INFO: [$$]:" "${LOG_LINE}" >> ${LOG_FILE}
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done
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fi
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if (( ARG_VERBOSE != 0 ))
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then
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print - "$*" | while read LOG_LINE
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do
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# filter leading 'INFO:'
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LOG_LINE="${LOG_LINE#INFO: *}"
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print "INFO:" "${LOG_LINE}"
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done
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fi
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fi
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return 0
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}
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# -----------------------------------------------------------------------------
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# merge fragments into a temporary file
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function merge_fragments
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@ -701,6 +776,7 @@ return ${SFTP_RC}
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# -----------------------------------------------------------------------------
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# update SUDO controls on a single host/client
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# !! requires appropriate 'sudo' rules on remote client for privilege elevation
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function update2host
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{
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SERVER="$1"
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@ -718,18 +794,26 @@ log "setting sudo controls on ${SERVER} ..."
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if [[ -z "${SUDO_UPDATE_USER}" ]]
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then
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# own user w/ sudo
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log "$(ssh ${SSH_ARGS} ${SERVER} sudo -n ${REMOTE_DIR}/${SCRIPT_NAME} --update)"
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( RC=0; ssh ${SSH_ARGS} ${SERVER} sudo -n ${REMOTE_DIR}/${SCRIPT_NAME} --update;
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print "$?" > ${TMP_RC_FILE}; exit
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) 2>&1 | logc
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elif [[ "${SUDO_UPDATE_USER}" != "root" ]]
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then
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# other user w/ sudo
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log "$(ssh ${SSH_ARGS} ${SUDO_UPDATE_USER}@${SERVER} sudo -n ${REMOTE_DIR}/${SCRIPT_NAME} --update)"
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( RC=0; ssh ${SSH_ARGS} ${SUDO_UPDATE_USER}@${SERVER} sudo -n ${REMOTE_DIR}/${SCRIPT_NAME} --update;
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print "$?" > ${TMP_RC_FILE}; exit
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) 2>&1 | logc
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else
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# root user w/o sudo
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log "$(ssh ${SSH_ARGS} ${SUDO_UPDATE_USER}@${SERVER} ${REMOTE_DIR}/${SCRIPT_NAME} --update)"
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( RC=0; ssh ${SSH_ARGS} root@${SERVER} ${REMOTE_DIR}/${SCRIPT_NAME} --update;
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print "$?" > ${TMP_RC_FILE}; exit
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) 2>&1 | logc
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fi
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# no error checking possible here due to log(), done in called script
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return 0
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# fetch return code from subshell
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RC="$(< ${TMP_RC_FILE})"
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return ${RC}
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}
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# -----------------------------------------------------------------------------
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@ -754,12 +838,13 @@ do
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# the child might have already ended before we get here (caveat emptor)
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else
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wait ${PID}
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if (( $? ))
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RC=$?
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if (( ${RC} ))
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then
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log "child process ${PID} exited [NOK]"
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log "child process ${PID} exited [RC=${RC}]"
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WAIT_ERRORS=$(( WAIT_ERRORS + 1 ))
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else
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log "child process ${PID} exited [OK]"
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log "child process ${PID} exited [RC=${RC}]"
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fi
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fi
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done
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@ -923,6 +1008,7 @@ log "runtime info: LOCAL_DIR is set to: ${LOCAL_DIR}"
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case ${ARG_ACTION} in
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1) # apply SUDO controls remotely
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log "ACTION: apply SUDO controls remotely"
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check_root_user && die "must NOT be run as user 'root'"
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# build clients list (in array)
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cat "${TARGETS_FILE}" | grep -v -E -e '^#' -e '^$' |\
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{
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@ -962,6 +1048,7 @@ case ${ARG_ACTION} in
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;;
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2) # copy/distribute SUDO controls
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log "ACTION: copy/distribute SUDO controls"
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check_root_user && die "must NOT be run as user 'root'"
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# build clients list (in array)
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cat "${TARGETS_FILE}" | grep -v -E -e '^#' -e '^$' |\
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{
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@ -1037,9 +1124,17 @@ case ${ARG_ACTION} in
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;;
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4) # apply SUDO controls locally (root user)
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log "ACTION: apply SUDO controls locally"
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log "$(${LOCAL_DIR}/update_sudo.pl ${SUDO_UPDATE_OPTS})"
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# no error checking possible here due to log(), done in called script
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log "finished applying SUDO controls locally"
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( RC=0; ${LOCAL_DIR}/update_sudo.pl ${SUDO_UPDATE_OPTS};
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print "$?" > ${TMP_RC_FILE}; exit
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) 2>&1 | logc
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# fetch return code from subshell
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RC="$(< ${TMP_RC_FILE})"
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if (( RC ))
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then
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log "failed to apply SUDO controls locally [RC=${RC}]"
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else
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log "finished applying SUDO controls locally [RC=${RC}]"
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fi
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;;
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5) # fix directory structure/perms/ownerships
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log "ACTION: fix local SUDO controls repository"
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