mirror of
https://github.com/fscotto/infra.git
synced 2026-05-30 15:39:58 +00:00
92 lines
2.3 KiB
Bash
Executable File
92 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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runvm() {
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local vm state choice count i ip conn="qemu:///system"
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if ! command -v virsh >/dev/null 2>&1; then
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printf '%s\n' "runvm: virsh is required (libvirt)" >&2
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return 1
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fi
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local line
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vms=()
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while IFS= read -r line; do
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[ -n "$line" ] && vms+=("$line")
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done < <(virsh --connect "$conn" list --all --name)
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if [ ${#vms[@]} -eq 0 ]; then
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printf '%s\n' "runvm: no VMs found" >&2
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return 1
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fi
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printf '\n%s\n' "VMs:"
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count=1
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for i in "${!vms[@]}"; do
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state=$(virsh --connect "$conn" dominfo "${vms[$i]}" 2>/dev/null | awk '/^State:/ {print $2}')
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printf ' %d) %-30s [%s]\n' "$((count++))" "${vms[$i]}" "${state:-unknown}"
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done
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printf '\n'
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read -p "Select VM (1-${#vms[@]}) or 'q' to quit: " choice
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if [ "$choice" = "q" ] || [ -z "$choice" ]; then
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return 0
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fi
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if ! [[ "$choice" =~ ^[0-9]+$ ]] || [ "$choice" -lt 1 ] || [ "$choice" -gt "${#vms[@]}" ]; then
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printf '%s\n' "runvm: invalid choice" >&2
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return 1
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fi
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vm="${vms[$((choice - 1))]}"
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state=$(virsh --connect "$conn" dominfo "$vm" 2>/dev/null | awk '/^State:/ {print $2}')
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printf '\nSelected: %s\n' "$vm"
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if [ "$state" = "running" ]; then
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printf ' VM is already running.\n'
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ip=$(_runvm_get_ip "$vm" "$conn")
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if [ -n "$ip" ] && [ "$ip" != "<unknown>" ]; then
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printf ' IP: %s\n' "$ip"
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fi
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return 0
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fi
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printf 'Starting %s...\n' "$vm"
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if ! virsh --connect "$conn" start "$vm"; then
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printf ' failed to start %s\n' "$vm" >&2
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return 1
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fi
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printf ' %s started.\n' "$vm"
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printf ' Waiting for IP...\n'
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ip=$(_runvm_get_ip "$vm" "$conn")
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if [ -n "$DISPLAY" ] && command -v notify-send >/dev/null 2>&1; then
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notify-send "$vm started" "IP: $ip" 2>/dev/null
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fi
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printf ' IP: %s\n' "$ip"
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return 0
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}
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_runvm_get_ip() {
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local vm="$1" conn="$2" mac network ip i
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mac=$(virsh --connect "$conn" dumpxml "$vm" | awk -F"'" '/mac address/ {print $2}')
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[ -z "$mac" ] && return 1
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network=$(virsh --connect "$conn" dumpxml "$vm" | awk -F"'" '/source network/ {print $2}')
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[ -z "$network" ] && return 1
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for i in $(seq 15); do
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ip=$(virsh --connect "$conn" net-dhcp-leases "$network" 2>/dev/null | \
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awk -v m="$mac" '$3 == m {print $5}' | cut -d/ -f1)
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[ -n "$ip" ] && break
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sleep 2
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done
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printf '%s' "${ip:-<unknown>}"
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}
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