60 lines
1.3 KiB
Bash
Executable file
60 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -euo pipefail
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log() {
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printf '[stop] %s\n' "$*"
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}
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usage() {
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cat <<'EOF'
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Usage: ./stop.sh <id-or-name-prefix>
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Sends Ctrl+Alt+Del to the guest via the Firecracker API socket.
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EOF
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}
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find_vm_json() {
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local query="$1"
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local vm_json match_count=0 match=""
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for vm_json in state/vms/*/vm.json; do
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[[ -f "$vm_json" ]] || continue
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local id name
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id="$(jq -r '.meta.id // empty' "$vm_json")"
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name="$(jq -r '.meta.name // empty' "$vm_json")"
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if [[ "$id" == "$query"* || "$name" == "$query"* ]]; then
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match="$vm_json"
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match_count=$((match_count + 1))
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fi
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done
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if (( match_count == 0 )); then
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log "no VM found for prefix: $query"
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exit 1
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fi
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if (( match_count > 1 )); then
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log "multiple VMs found for prefix: $query"
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exit 1
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fi
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printf '%s' "$match"
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}
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QUERY="${1:-}"
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if [[ -z "$QUERY" || "$QUERY" == "-h" || "$QUERY" == "--help" ]]; then
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usage
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exit 1
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fi
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VM_JSON="$(find_vm_json "$QUERY")"
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API_SOCK="$(jq -r '.meta.api_sock // empty' "$VM_JSON")"
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if [[ -z "$API_SOCK" || ! -S "$API_SOCK" ]]; then
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log "api socket not found: $API_SOCK"
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exit 1
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fi
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log "sending Ctrl+Alt+Del to guest"
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sudo -E curl --unix-socket "$API_SOCK" -X PUT http://localhost/actions \
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-H "Content-Type: application/json" \
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-d '{ "action_type": "SendCtrlAltDel" }' >/dev/null
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log "requested shutdown"
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