64 lines
2.3 KiB
Bash
Executable File
64 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# script that creates an archive in current folder
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# containing the heap and thread dump and the current log file
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JVB_HEAPDUMP_PATH="/tmp/java_*.hprof"
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STAMP=`date +%Y-%m-%d-%H%M`
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PID_PATH="/var/run/jitsi-videobridge.pid"
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JVB_UID=`id -u jvb`
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RUNNING=""
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unset PID
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# for systemd we use different pid file
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if [ ! -f $PID_PATH ]; then
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PID_PATH="/var/run/jitsi-videobridge/jitsi-videobridge.pid"
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fi
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[ -e $PID_PATH ] && PID=$(cat $PID_PATH)
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if [ ! -z $PID ]; then
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ps -p $PID | grep -q java
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[ $? -eq 0 ] && RUNNING="true"
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fi
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#Find any crashes in /var/crash from our user in the past 20 minutes, if they exist
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CRASH_FILES=$(find /var/crash -name '*.crash' -uid $JVB_UID -mmin -20 -type f)
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if [ ! -z $RUNNING ]; then
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echo "Jvb at pid $PID"
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THREADS_FILE="/tmp/stack-${STAMP}-${PID}.threads"
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HEAP_FILE="/tmp/heap-${STAMP}-${PID}.bin"
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# If the JVB has crashed (with OOM, for example), the JVM might be
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# configured to take a heap dump. This is configured with the HeapDumpPath
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# VM option. The HeapDumpPath is a manageable VM option and the default
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# path format is java_pidXXXX.hprof.
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#
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# During the time the JVM is taking a heap dump, the process will appear
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# running, but the JVM won't allow us to connect to it and take a
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# heap/thread dump. Briefly, we want to make sure we grab the java heap
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# dump, even if the process appears to be running.
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HEAPDUMP_FILE="/tmp/java_pid${PID}.hprof"
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# Wait for the JVM to finish writing the heapdump.
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while lsof ${HEAPDUMP_FILE}; do sleep 1; done
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sudo jstack ${PID} > ${THREADS_FILE}
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sudo jmap -dump:live,format=b,file=${HEAP_FILE} ${PID}
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tar zcvf jvb-dumps-${STAMP}-${PID}.tgz ${THREADS_FILE} ${HEAP_FILE} ${HEAPDUMP_FILE} ${CRASH_FILES} /var/log/jitsi/jvb.log /tmp/hs_err_*
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rm ${HEAP_FILE} ${THREADS_FILE}
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else
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ls $JVB_HEAPDUMP_PATH >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo "JVB not running, but previous heap dump found."
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tar zcvf jvb-dumps-${STAMP}-crash.tgz $JVB_HEAPDUMP_PATH ${CRASH_FILES} /var/log/jitsi/jvb.log /tmp/hs_err_*
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rm ${JVB_HEAPDUMP_PATH}
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else
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tar zcvf jvb-dumps-${STAMP}-crash.tgz /var/log/jitsi/jvb.log ${CRASH_FILES} /tmp/hs_err_*
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echo "JVB not running, previous heap dump not found. Archiving logs only."
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fi
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fi
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