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Move VM dirs under state/vms

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Thales Maciel 2026-01-29 14:47:09 -03:00
parent 75f03aeb04
commit f8e7aedeb2
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GPG key ID: 33112E6833C34679
8 changed files with 11 additions and 10 deletions
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2
README.md
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@ -37,7 +37,7 @@ reboot
``` ```
## VM Info File ## VM Info File
Each VM writes a metadata file at `state/vm-*/info` with the following fields: Each VM writes a metadata file at `state/vms/<id>/info` with the following fields:
- `id`: unique identifier for the VM instance. - `id`: unique identifier for the VM instance.
- `pid`: Firecracker process ID. - `pid`: Firecracker process ID.
- `created_at`: timestamp when the VM was launched. - `created_at`: timestamp when the VM was launched.

2
kill.sh
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@ -23,7 +23,7 @@ find_vm_info() {
local query="$1" local query="$1"
local info match_count=0 match="" local info match_count=0 match=""
for info in state/vm-*/info; do for info in state/vms/*/info; do
[[ -f "$info" ]] || continue [[ -f "$info" ]] || continue
local id name local id name
id="$(get_prop "$info" "id")" id="$(get_prop "$info" "id")"

2
list.sh
View file

@ -9,7 +9,7 @@ get_prop() {
awk -F= -v k="$key" '$1==k {print $2}' "$info" awk -F= -v k="$key" '$1==k {print $2}' "$info"
} }
for info in state/vm-*/info; do for info in state/vms/*/info; do
id="$(get_prop "$info" "id")" id="$(get_prop "$info" "id")"
name="$(get_prop "$info" "name")" name="$(get_prop "$info" "name")"
created_at="$(get_prop "$info" "created_at")" created_at="$(get_prop "$info" "created_at")"

2
ps.sh
View file

@ -9,7 +9,7 @@ get_prop() {
awk -F= -v k="$key" '$1==k {print $2}' "$info" awk -F= -v k="$key" '$1==k {print $2}' "$info"
} }
for info in state/vm-*/info; do for info in state/vms/*/info; do
id="$(get_prop "$info" "id")" id="$(get_prop "$info" "id")"
name="$(get_prop "$info" "name")" name="$(get_prop "$info" "name")"
created_at="$(get_prop "$info" "created_at")" created_at="$(get_prop "$info" "created_at")"

2
rm.sh
View file

@ -23,7 +23,7 @@ find_vm_info() {
local query="$1" local query="$1"
local info match_count=0 match="" local info match_count=0 match=""
for info in state/vm-*/info; do for info in state/vms/*/info; do
[[ -f "$info" ]] || continue [[ -f "$info" ]] || continue
local id name local id name
id="$(get_prop "$info" "id")" id="$(get_prop "$info" "id")"

7
run.sh
View file

@ -22,7 +22,8 @@ log "starting"
DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
STATE="$DIR/state" STATE="$DIR/state"
mkdir -p "$STATE" VM_ROOT="$STATE/vms"
mkdir -p "$VM_ROOT"
FC_BIN="$DIR/firecracker" FC_BIN="$DIR/firecracker"
KERNEL="$DIR/vmlinux" KERNEL="$DIR/vmlinux"
@ -52,7 +53,7 @@ shopt -s nullglob
name_taken() { name_taken() {
local candidate="$1" local candidate="$1"
local info existing_name local info existing_name
for info in "$STATE"/vm-*/info; do for info in "$VM_ROOT"/*/info; do
existing_name="$(awk -F= '$1=="name"{print $2}' "$info")" existing_name="$(awk -F= '$1=="name"{print $2}' "$info")"
if [[ "$existing_name" == "$candidate" ]]; then if [[ "$existing_name" == "$candidate" ]]; then
return 0 return 0
@ -165,7 +166,7 @@ fi
VM_ID="$(head -c 32 /dev/urandom | xxd -p -c 256)" VM_ID="$(head -c 32 /dev/urandom | xxd -p -c 256)"
VM_TAG="${VM_ID:0:8}" VM_TAG="${VM_ID:0:8}"
VM_DIR="$STATE/vm-$VM_ID" VM_DIR="$VM_ROOT/$VM_ID"
mkdir -p "$VM_DIR" mkdir -p "$VM_DIR"
API_SOCK="$STATE/fc-$VM_TAG.sock" API_SOCK="$STATE/fc-$VM_TAG.sock"

2
stop.sh
View file

@ -23,7 +23,7 @@ find_vm_info() {
local query="$1" local query="$1"
local info match_count=0 match="" local info match_count=0 match=""
for info in state/vm-*/info; do for info in state/vms/*/info; do
[[ -f "$info" ]] || continue [[ -f "$info" ]] || continue
local id name local id name
id="$(get_prop "$info" "id")" id="$(get_prop "$info" "id")"

2
verify.sh
View file

@ -30,7 +30,7 @@ if ! ./run.sh; then
exit 1 exit 1
fi fi
VM_DIR="$(find state -maxdepth 1 -type d -name 'vm-*' -printf '%T@ %p\n' 2>/dev/null | sort -nr | head -n 1 | awk '{print $2}')" VM_DIR="$(find state/vms -maxdepth 1 -mindepth 1 -type d -printf '%T@ %p\n' 2>/dev/null | sort -nr | head -n 1 | awk '{print $2}')"
if [[ -z "$VM_DIR" ]]; then if [[ -z "$VM_DIR" ]]; then
log "no VM state directory found" log "no VM state directory found"
exit 1 exit 1