prvng_core/nulib/images/watch.nu
Jesús Pérez 316622a78f
merge(refactor/lazy-loading): ADR-025 lazy-loading complete
557 files merged. Conflicts resolved:
  - CHANGELOG.md: took refactor/lazy-loading (session changelog)
  - versions.ncl: took refactor/lazy-loading (adds typedialog entries)
2026-04-17 23:09:56 +01:00

49 lines
1.7 KiB
Text

# Image watch — periodic freshness monitor for role image snapshots.
use ./state.nu *
use ./create.nu *
# Poll all role image states every N minutes and report stale snapshots.
export def image-watch [
--interval: int = 60
--auto-build
--notify-only
--provider: string = ""
--infra: string = ""
] {
print $"Image watch started (interval: ($interval)m, auto-build: ($auto_build))"
print "Press Ctrl-C to stop."
print ""
loop {
let states = (image-state-list --provider $provider)
let now_str = ((date now) | format date "%Y-%m-%dT%H:%M:%SZ")
print $"[($now_str)] Checking ($states | length) role image(s)..."
for state in $states {
let fresh = (do {
image-state-is-fresh $state.provider $state.role
} catch { false })
if $state.snapshot_id == "SNAPSHOT_PENDING" {
print $"[PENDING] ($state.provider)/($state.role) — no snapshot built"
} else if not $fresh {
let built = ($state.built_at? | default "unknown")
print $"[STALE] ($state.provider)/($state.role) — last built: ($built) snapshot: ($state.snapshot_id)"
if $auto_build and not $notify_only {
print $" → auto-building ($state.role)..."
do {
image-create $state.role --infra $infra
} catch { |e|
print $" ✗ build failed: ($e.msg)"
}
}
} else {
print $"[OK] ($state.provider)/($state.role) — snapshot: ($state.snapshot_id)"
}
}
print ""
sleep ($interval * 60sec)
}
}