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https://github.com/Security-Onion-Solutions/securityonion.git
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69 lines
1.6 KiB
Bash
69 lines
1.6 KiB
Bash
#!/bin/bash
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source './so-variables'
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# Helper functions
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filter_unused_nics() {
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# Set the main NIC as the default grep search string
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local grep_string="$MNIC"
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# If we call this function and NICs have already been assigned to the bond interface then add them to the grep search string
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if [[ $BNICS ]]; then
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for BONDNIC in "${BNICS[@]}"; do
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grep_string="$grep_string\|$BONDNIC"
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done
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fi
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# Finally, set filtered_nics to any NICs we aren't using (and ignore interfaces that aren't of use)
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export filtered_nics
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filtered_nics=$(ip link | grep -vwe "$grep_string" | awk -F: '$0 !~ "lo|vir|veth|br|docker|wl|^[^0-9]"{print $2}')
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}
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calculate_useable_cores() {
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# Calculate reasonable core usage
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local cores_for_bro=$(( CPUCORES/2 - 1 ))
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local lb_procs_round
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lb_procs_round=$(printf "%.0f\n" $cores_for_bro)
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export lb_procs
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if [ "$lb_procs_round" -lt 1 ]; then lb_procs=1; else lb_procs=$lb_procs_round; fi
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}
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set_defaul_log_size() {
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local disk_dir="/"
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if [ -d /nsm ]; then
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disk_dir="/nsm"
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fi
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local disk_size_kb
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disk_size_kb=$(df $disk_dir |grep -v "^Filesystem" | awk '{print $2}')
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local percentage=85
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local disk_size
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disk_size=$(( disk_size_kb * 1000 ))
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local percentage_disk_space
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percentage_disk_space=$(( disk_size * (percentage / 100) ))
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export log_size_limit=$(( percentage_disk_space / 1000000000 ))
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}
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ls_heapsize() {
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if [ "$total_mem" -ge 32000 ]; then
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LS_HEAP_SIZE='1000m'
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return
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fi
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case "$install_type" in
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'MASTERSEARCH' | 'HEAVYNODE' | 'HELIXSENSOR')
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LS_HEAP_SIZE='1000m'
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;;
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'EVAL')
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LS_HEAP_SIZE='700m'
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;;
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*)
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LS_HEAP_SIZE='500m'
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;;
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esac
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} |