53 lines
1.7 KiB
Plaintext
53 lines
1.7 KiB
Plaintext
echo "Starting HW Discovery"
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function cpu_cores() {
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hwinfo --cpu | grep -c "Hardware Class: cpu"
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}
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function ram() {
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# XXX: /proc may not be the best place to get this from, but hwinfo reports weird values (e.g. "1GB + 512MB" on a test VM of mine)
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_KB=$(grep MemTotal /proc/meminfo | awk '{ print $2 }')
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echo "$((_KB * 1024)) bytes"
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}
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function pxe_mac() {
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# XXX: This is making all sorts of risky assumptions. Firstly that the underlying drivers correctly report link. Secondly that only the primary
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# XXX: NIC is wired up. Without a backend service on the DHCP/PXE server which could examine all of our detected MACs, there really is no good
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# XXX: way to solve this in Linux.
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_info1=$(hwinfo --network|grep -B2 "Link detected: yes"|grep -C1 "HW Address:")
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_info2=$(echo "${_info1}"|awk '/Device File: (vlan*|br*)/{for(x=NR-2;x<=NR+2;x++)d[x];}{a[NR]=$0}END{for(i=1;i<=NR;i++)if(!(i in d))print a[i]}')
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_dev=$(echo "${_info1}" | grep "Device File:"|awk -F':' {'print $2'}|tr -d ' ')
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_mac=$(echo "${_info2}" | grep "HW Address:"|awk -F'ss:' {'print $2'}|tr -d ' ')
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echo $_mac
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}
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function disk() {
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# XXX: This is returning only the first disk discovered, which is very likely to be insufficient on machines that present us with multiple disks
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# XXX: This is likely reporting in TB, but the units are not guaranteed. Maybe convert to bytes?
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lshw -C disk | grep size | awk -F'(' '{ print $2 }' | tr -d ')' | head -1
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}
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function raw_disk() {
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hwinfo --disk
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}
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function raw_network() {
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hwinfo --network
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}
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cat <<EOF
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{
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"cpu cores" : "$(cpu_cores)",
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"disk size" : "$(disk)",
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"ram size" : "$(ram)",
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"pxe mac" : "$(pxe_mac)",
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"extra data" : {
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"raw disk" : "$(raw_disk | base64)",
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"raw network" : "$(raw_network | base64)",
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}
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}
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EOF
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sleep 30
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