So I have a script that looks through a log for a list of words then sends an email with the results. I would like to expand this to do the same for other logs in the same directory but make it a new email with each log. How would I do that?
Code:
LOG="pdb.lg psmseis.lg psyseis.lg" <----- These are the 3 logs I want it to look through but currently it only looks at the first
# REPORT_NAME is where the information to be sent is written to.
REPORT_NAME='/tmp/pdb.lg_report'
# LOGDIR is the directory containing the log.
LOGDIR="/pdb1"
# LIST is the errors being searched for.
LIST="
abnormal
allow*
attempt*
beyond
cannot
corrupt*
damage*
dead
died
disappear*
drastic
enough
error
exceed*
fail*
fatal
illegal
impossible
increase
insufficient
invalid
kill*
missing
overflow*
stget
stop
system
unable
unexpected*
unknown
violation
warn
wrong
"
#------------------------------------------------------------------------------
# PROCESSING SECTION
#------------------------------------------------------------------------------
rm ${REPORT_NAME}
for words in $LIST
do
RESULTS=`grep -i ${words} ${LOGDIR}/${LOG} | grep -v 'exceeded. Automatically increasing from'`
if [[ ${RESULTS} > "" ]]
then
echo -e "\n----------------------------------------------------------------------------" >> ${REPORT_NAME}
echo -e "SEARCH PATTERN = ${words}" >> ${REPORT_NAME}
echo -e "----------------------------------------------------------------------------" >> ${REPORT_NAME}
grep -i ${words} ${LOGDIR}/${LOG} >> ${REPORT_NAME}
fi
done
#------------------------------------------------------------------------------
# END OF PROCESSING SECTION
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# EMAILING SECTION
#------------------------------------------------------------------------------
MESSAGE_HEADER="Please check these possible errors from the /pdb1/pdb.lg log.\n"
MESSAGE_BODY=`cat ${REPORT_NAME}`
MESSAGE_TAIL="\n\nThis email is from ${0}."
MESSAGE="${MESSAGE_HEADER}${MESSAGE_BODY}${MESSAGE_TAIL}"
SUBJECT="ERROR REPORT from ${LOGDIR}/${LOG}"
for USER in ${USERLIST}
do
echo -e "${MESSAGE}" | mailx -s "${SUBJECT}" ${USER}
done
Moderator's Comments:
Please use code tags when posting data and code samples!
Last edited by vgersh99; 04-17-2020 at 02:56 PM..
Reason: code tags, please!
grep can scan multiple files in one go, so it is fine to present it the expanded LOG variable, but, as the directory is missing for the second and third entries, "files are not found". There are several options to cure that: a) use an array for LOG, and shell's "parameter expansion / pattern substitution":
b) Use a for loop across the files, but don't forget the directory here as well. c)cat all three files into grep (which will lose the filename output)
You seem to be a for loop enthusiast. Be aware that there may be good reasons to run one instance of grep for every single keyword in the LIST, but you have to sacrifice quite some performance in order to do so. How about some optimisation? Try adding colour=always to highlight the respective matched keyword:
just to clarify, the other logs are in the same directory as they first log but i would like to expand this eventually to be able to use across other db environment but im taking it one step at a time. I do have a userlist in the script i just didnt include it in the posted code for privacy reasons. this is the email that the original script creates if this helps. disclaimer: i didnt write the original script but i have been given the task of upgrading it as a project.
Please check these possible errors from the /pdb1/pdb.lg log.
[2020/04/12@13:25:51.351-0500] P-28111 T-139668866561856 I BROKER 0: (12813) Allowed index cursors (-c): 2904
[2020/04/12@13:25:51.439-0500] P-28111 T-139668866561856 I BROKER 0: (10836) Database connections are not allowed at this time.
[2020/04/13@17:54:50.850-0500] P-30408 T-140270759073600 I SRV 19: (1280) Connection timed out on socket=255 for usernum 711, attempt disconnect.
[2020/04/13@17:55:37.442-0500] P-30403 T-140013961852736 I SRV 18: (1280) Connection timed out on socket=255 for usernum 712, attempt disconnect.
[2020/04/13@18:07:13.250-0500] P-30412 T-140339427333952 I SRV 20: (1280) Connection timed out on socket=255 for usernum 710, attempt disconnect.
[2020/04/14@00:25:52.738-0500] P-30308 T-140475794827072 I SRV 10: (1280) Connection timed out on socket=255 for usernum 720, attempt disconnect.
[2020/04/14@17:53:54.530-0500] P-30378 T-139793563330368 I SRV 16: (1280) Connection timed out on socket=255 for usernum 714, attempt disconnect.
[2020/04/15@03:37:59.906-0500] P-30331 T-139866618869568 I SRV 12: (1280) Connection timed out on socket=255 for usernum 718, attempt disconnect.
[2020/04/15@12:17:05.890-0500] P-30308 T-140475794827072 I SRV 10: (1280) Connection timed out on socket=255 for usernum 720, attempt disconnect.
thumbelina,
you'll have to debug your script (as you said) "taking it one step at a time" given the suggestions provided previously by RudyC and the others.
The best approach is to do the debugging iteratively given your own environment specifics and asking specific questions along the way.
Try it out and see how far it gets you given the previous suggestions.
Don't forget to use code tags when posting code and/or data samples.
grep can scan multiple files in one go, so it is fine to present it the expanded LOG variable, but, as the directory is missing for the second and third entries, "files are not found". There are several options to cure that: a) use an array for LOG, and shell's "parameter expansion / pattern substitution":
b) Use a for loop across the files, but don't forget the directory here as well. c)cat all three files into grep (which will lose the filename output)
You seem to be a for loop enthusiast. Be aware that there may be good reasons to run one instance of grep for every single keyword in the LIST, but you have to sacrifice quite some performance in order to do so. How about some optimisation? Try adding colour=always to highlight the respective matched keyword:
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04-17-2020
