110 lines
4.1 KiB
Bash
Executable file
110 lines
4.1 KiB
Bash
Executable file
#!/bin/bash
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# Wrapper around /opt/bin/sbosrcarch to keep a log of the session, and email it.
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# Configuration.
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COMMAND="/opt/bin/sbosrcarch"
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DEPOSITORY="/data/depository/sbosrcarch"
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SBOSRCARCH_USER='SLACKWAREUKINT\sbosrcarch'
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DEPOSITORY_GROUP='SLACKWAREUKINT\depository'
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LOGSDIR="/var/log/duplication/sbosrcarch/$(printf "%(%Y/%m)T")"
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LOGFILE="$(printf "%(%Y%m%d-%H%M%S)T")-$$"
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# Where from/to to send emails. Comment for no emailing.
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EMAIL_FROM="\"Server: ${HOSTNAME%%.*}\" <noreply@slackware.uk.net>"
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EMAIL_TO=("Systems' Administrator <sysadmin@slackware.uk>")
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EMAIL_CC=("Urchlay <urchlay@slackware.uk>")
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# Functions
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notify() {
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[[ -n "$EMAIL_FROM" ]] && (( "${#EMAIL_TO[@]}" != 0 )) && {
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printf "%s: %s\\n%s: %s\\n%s:\\n%s\\n" "Exit code" "$ERR" "Logfile" "$LOGSDIR/$LOGFILE.xz" "Output" "$(cat "$LOGSDIR/$LOGFILE" | sed -re 's/^/ /g')" | mail -r "$EMAIL_FROM" -s "SboSrcArch $1" "$(for i in $(seq -s ' ' 0 $(( ${#EMAIL_CC[@]} -1 ))); do echo ${EMAIL_CC[$i]:+-c "${EMAIL_CC[$i]}"}; done)" "${EMAIL_TO[@]}" >/dev/null 2>&1 || {
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printf "%s: %s\\n" "${0##*/}" "mail command failed" >&2
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return 1
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}
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}
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return 0
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}
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# Logs are only for root.
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umask 027
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# Only run for the configured sbosrcarch user.
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[[ "$(whoami)" != "$SBOSRCARCH_USER" ]] && {
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printf "%s: %s\\n" "${0##*/}" "must be run by the '$SBOSRCARCH_USER' user" >&2
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printf "%s: %s: %s\\n" "${0##*/}" "to run manually:" "su '$SBOSRCARCH_USER' $0 $@" >&2
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exit 1
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}
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# Make sure the logs directory exists.
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# shellcheck disable=SC2174
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mkdir -p -m 750 "$LOGSDIR" 2>/dev/null || {
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printf "%s: %s\\n" "${0##*/}" "Failed to create logs directory '$LOGSDIR'" >&2
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exit 1
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}
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# Make sure the command to do the work is runnable.
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[[ ! -x "$COMMAND" ]] && {
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printf "%s: %s\\n" "${0##*/}" "'$COMMAND' is not executable" >&2
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exit 1
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}
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# Only allow one copy of the script to run at any time.
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# shellcheck disable=SC2154
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if [[ "$FLOCK" != "$0" ]]; then
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# shellcheck disable=SC2093
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exec env FLOCK="$0" flock -E 10 -e -n "$0" "$0" "$@"
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ERR="$?"
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if (( ERR == 10 )); then
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# File is locked, exit now.
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exit 0
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elif (( ERR > 0 )); then
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printf "%s: %s\\n" "${0##*/}" "flock execution error" >&2
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exit 1
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fi
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fi
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# Drop the caches as sometimes old user/groups are cached.
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sudo /opt/sbin/drop-caches
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# Make sure there's no errant ownerships.
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printf "%s: %s\\n" "INFO" "Scanning sbosrcarch directory for correct ownerships/permissions" | tee "$LOGSDIR/$LOGFILE"
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WRONG="$(find "$DEPOSITORY/" \( \
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\( -type b -o -type c -o -type p -o -type s \) -o \
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\( -type l -a \! -perm 777 \) -o \
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\( -type d -a \! -perm 755 -a \! -perm 2755 \) -o \
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\( -type f -a \! -perm 644 -a \! -perm 755 \) -o \
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\( \! -user "$SBOSRCARCH_USER" \) -o \
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\( \! -group "$DEPOSITORY_GROUP" \) \
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\) -a -printf "%u:%g\t%M\t%p\n")"
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if [[ -n "$WRONG" ]]; then
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printf "%s: %s\\n" "ERROR" "This run has been aborted!" | tee -a "$LOGSDIR/$LOGFILE"
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printf "%s: %s\\n" "WARNING" "The following paths have erronious ownerships/permissions:" | tee -a "$LOGSDIR/$LOGFILE"
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printf "%s\\n" "$WRONG" | sed -re 's/^/ /g' | tee -a "$LOGSDIR/$LOGFILE"
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ERR=-1
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else
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printf "%s: %s\\n" "INFO" "No ownership/permission issues found" | tee -a "$LOGSDIR/$LOGFILE"
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# Do the sbosrcarch work.
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umask 022
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printf "%s: %s: %s\\n" "INFO" "Beginning sbosrcarch run" "sg \"$DEPOSITORY_GROUP\" -c \"$COMMAND ${1:-update}\"" | tee -a "$LOGSDIR/$LOGFILE"
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TMP_OUTPUT="$(sg "$DEPOSITORY_GROUP" -c "$COMMAND ${1:-update} 2>&1")"
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ERR="$?"
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sg "$DEPOSITORY_GROUP" -c "$COMMAND status 2>&1" | tee -a "$LOGSDIR/$LOGFILE"
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printf "\\n%s\\n" "$TMP_OUTPUT" | tee -a "$LOGSDIR/$LOGFILE"
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(( ERR += $? ))
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fi
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# Tell the sysadmin what went on.
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if (( "$ERR" == 0 )); then
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# Send a report.
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notify "report"
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ERR="$?"
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else
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# sbosrcarch failed, tell the admin.
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notify "failure" || [[ -x /opt/bin/pushover-client ]] && /opt/bin/pushover-client "mirroring" -p -1 -s "SBoSrcArch failure" -m "Check log in email"
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ERR="1"
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fi
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# Compress the log to save some space.
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xz -9 "$LOGSDIR/$LOGFILE" 2>/dev/null || printf "%s: %s\\n" "${0##*/}" "failed to compress '$LOGSDIR/$LOGFILE'" >&2
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exit "$ERR"
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