31 lines
907 B
Bash
Executable File
31 lines
907 B
Bash
Executable File
#!/bin/sh
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#
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# check available RAM and IPv4s
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ram_bytes_to_allocate="$1"
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ram_bytes_available=$(grep -E "^(size|memory_available_bytes)" /proc/spl/kstat/zfs/arcstats | awk '{sum+=$3} END {printf "%.0f", sum}')
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ram_bytes_remainder="$((ram_bytes_available - ram_bytes_to_allocate))"
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if echo "$ram_bytes_to_allocate" | grep -vqE "^[0-9]+$"; then
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echo "ram_bytes_to_allocate \"$ram_bytes_to_allocate\" must be an integer"
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exit 1
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fi
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# 20GB
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if [ "$ram_bytes_remainder" -le $((20 * 1024 * 1024 * 1024)) ]; then
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echo "VM is requesting more RAM than $(hostname -f) has available."
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echo "Bytes requested: $ram_bytes_to_allocate"
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echo "Bytes available: $ram_bytes_available"
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exit 1
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fi
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ipv4_limit=61
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total_addresses_used=$(virsh net-dhcp-leases public2 | grep -E '.+' | tail -n +3 | wc -l)
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if [ "$total_addresses_used" -ge "$ipv4_limit" ]; then
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echo "IPv4 address limit reached"
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exit 1
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fi
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echo "yes"
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