Module: check_mk Branch: master Commit: 3c5750abe79d27a72b086d96802f3b2c007bfdb4 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=3c5750abe79d27… Author: Lars Michelsen <lm(a)mathias-kettner.de> Date: Wed Nov 25 14:18:21 2015 +0100 Added encryption and some error reporting to Real Time Check agent code --- agents/check_mk_agent.linux | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/agents/check_mk_agent.linux b/agents/check_mk_agent.linux index dfd39fb..7a8750a 100755 --- a/agents/check_mk_agent.linux +++ b/agents/check_mk_agent.linux @@ -165,11 +165,9 @@ function run_real_time_checks() for SECTION in $RTC_SECTIONS; do # Be aware of maximum packet size. Maybe we need to check the size of the section # output and do some kind of nicer error handling - # - # Example for encryption: - # export RTC_SECRET=xxx ; echo xxx | openssl enc -aes-256-cbc -pass env:RTC_SECRET -nosalt > x - # export RTC_SECRET=xxx ; cat x | openssl enc -aes-256-cbc -d -pass env:RTC_SECRET -nosalt - section_$SECTION >/dev/udp/$REMOTE/$RTC_PORT + (date +%s ; + export RTC_SECRET=$RTC_SECRET ; + section_$SECTION | openssl enc -aes-256-cbc -pass env:RTC_SECRET -nosalt) >/dev/udp/$REMOTE/$RTC_PORT done sleep 1 @@ -706,8 +704,14 @@ fi # Start new liveupdate process in background on each agent execution. Starting # a new live update process will terminate the old one automatically after # max. 1 sec. -if [ -e $MK_CONFDIR/real_time_checks.cfg -a -n $REMOTE ]; then - run_real_time_checks & +if [ -e $MK_CONFDIR/real_time_checks.cfg ]; then + if [ -z $REMOTE ]; then + echo "ERROR: \$REMOTE not specified. Not starting Real-Time Checks." >&2 + elif ! type openssl >/dev/null; then + echo "ERROR: openssl command is missing. Not starting Real-Time Checks." >&2 + else + run_real_time_checks & + fi fi # MK's Remote Plugin Executor