felhom.eu/documentation/audits/prowlarr-2026-10-15/tools/walk_restore.py

#!/usr/bin/env python3
"""walk_restore.py — NEW-APP-CHECKLIST 2.5 for Prowlarr on scratch guest 9202: seed -> backup -> remove -> restore ->
read back, THROUGH THE PRODUCT (R-1048, 2026-10-15, second 9202 run).

The box has no per-app „Mentés most" (R-648: the only backup press is whole-box and is never pressed from a drill), so
the per-app backup is the one the guarded Update takes in its `backing-up` phase — the same route as grocy's and
lubelogger's restore records. Runs ON DOOPLEX with TARGET=9202, SC=<0600 dir holding .ctlpw>, EV=<evidence dir>; 9202
must already read the drill mirror, whose prowlarr template is at FROM. Presses: deploy, the drill bump + Update,
remove KEEPING the backups, the household's restore button (POST /backup/restore), remove with the backups.
"""
import json
import os
import subprocess
import sys
import time

sys.path.insert(0, "/mnt/5_hdd/felhom.eu/git/app-catalog-felhom.eu/scripts")
import box_walk as w  # noqa: E402
import upgrade_fixtures_box as fx  # noqa: E402

EV = os.environ["EV"]
APP, SUB = "prowlarr", "prowlarr"
FROM = "lscr.io/linuxserver/prowlarr:version-2.5.2.5491"
TO = "lscr.io/linuxserver/prowlarr:version-2.6.5.5623"
TOOLS = os.path.dirname(os.path.abspath(__file__))
LOG = open(os.path.join(EV, "restore.txt"), "a", buffering=1)
_lib_say = w.say


def say(*a):
    _lib_say(*a)
    LOG.write(" ".join(str(x) for x in a) + "\n")


w.say = say


def drill_set(ref, why):
    """Point the drill template at `ref`, staged by explicit path, then reload the 9202 mirror."""
    D = w.DRILL
    comp, fy = f"{D}/templates/{APP}/docker-compose.yml", f"{D}/templates/{APP}/.felhom.yml"
    w.sh(["git", "-C", D, "pull", "-q", "--rebase", "origin", "main"], timeout=120)
    c_ = open(comp).read()
    other = TO if ref == FROM else FROM
    if f"image: {ref}" not in c_:
        open(comp, "w").write(c_.replace(f"image: {other}", f"image: {ref}"))
        w.sh(["git", "-C", D, "add", f"templates/{APP}/docker-compose.yml", f"templates/{APP}/.felhom.yml"])
        w.sh(["git", "-C", D, "commit", "-q", "-m", f"DRILL {APP}: {why} -> {ref} (R-1048, checklist 2.5)"])
        r_ = w.sh(["git", "-C", D, "push", "-q", "origin", "main"], timeout=120)
        say(f"drill commit {w.sh(['git', '-C', D, 'rev-parse', '--short=12', 'HEAD']).stdout.strip()}: -> {ref} (push rc={r_.returncode})")
    subprocess.run([sys.executable, os.path.join(TOOLS, "repoint9202.py"), "mirror"], check=True, env=dict(os.environ))


def main():
    w.login()
    if w.stack(APP).get("deployed"):
        sys.exit(say("prowlarr is installed on 9202 — STOP, not a fresh install") or 1)
    drill_set(FROM, "back to the previous image for a step")
    w.sync_rescan(expect_app=APP, expect_ref=FROM)
    code, d = w.ctl("POST", f"/api/stacks/{APP}/deploy", {"values": {"DOMAIN": w.DOMAIN, "SUBDOMAIN": SUB}})
    say(f"[1] deploy -> {code} {json.dumps(d, ensure_ascii=False)[:120]}")
    w.DEPLOYED_THIS_RUN.add(APP)
    for _ in range(60):
        s = w.stack(APP)
        if s.get("deployed") and s.get("state") == "running":
            break
        time.sleep(3)
    w.wait_app(SUB, "/ping", want=("200",), tries=40)
    say("[1] through traefik: " + w.guest(f"curl -sk -o /dev/null -w '%{{http_code}}' -H 'Host: {SUB}.{w.DOMAIN}' https://127.0.0.1/ping").strip()
        + " (gated: 302 to the gate is the healthy answer for a stranger)")
    say("[1] stack .felhom.yml bytes: " + w.guest(f"wc -c < /opt/docker/stacks/{APP}/.felhom.yml").strip())
    say("[1] running: " + w.guest("docker inspect prowlarr -f '{{.Config.Image}} health={{.State.Health.Status}}'").strip())

    fxp = fx.FIXTURES[APP]
    tok = fxp.seed(w, SUB, say)
    ok1 = bool(tok) and fxp.verify(w, SUB, tok, say)
    say(f"[2] seed {tok} read back: {ok1}")
    say("[2] 2.7 config volume size after the seed: " + w.guest("du -sh /var/lib/docker/volumes/prowlarr_prowlarr_config/_data | cut -f1").strip())
    say("[2] 4.4 negative control, the same probe on a port nothing serves: rc=" + w.guest("docker exec prowlarr curl -sf -o /dev/null http://127.0.0.1:9697/ping; echo $?").strip()
        + " ; the real probe: rc=" + w.guest("docker exec prowlarr curl -sf -o /dev/null http://127.0.0.1:9696/ping; echo $?").strip())
    say("[2] 1.8 the app's own start lines: " + w.guest("docker logs prowlarr 2>&1 | grep -m2 -E 'Hosting environment|Application started'").strip().replace("\n", " | "))

    drill_set(TO, "the step")
    w.sync_rescan(expect_app=APP, expect_ref=TO)
    up = w.press_update(APP)
    say(f"[3] guarded Update (its backing-up phase is the per-app backup): final={up.get('final_phase')} "
        f"phases={[p.get('phase') for p in up.get('phases', [])]}")
    ok2 = bool(tok) and fxp.verify(w, SUB, tok, say)
    say(f"[3] seed read back after the Update: {ok2}")
    obs = w.observables(APP)
    say(f"[3] after: {json.dumps(obs, ensure_ascii=False)[:400]}")
    s = w.stack(APP)
    if os.environ.get("VERDICT") == "1":
        verdict = {"app": APP, "venue": "box 9202 (drill catalog), the product's guarded Update — run 3, the full .felhom.yml",
                   "from": {APP: FROM}, "to": {APP: TO},
                   "verdict": "proven" if (ok1 and ok2 and up.get("final_phase") == "done" and s.get("state") == "running") else "failed",
                   "seed_read_before": ok1, "seed_read_after": ok2, "healthy_after": s.get("state") == "running",
                   "duration_s": up.get("duration_s"), "final_phase": up.get("final_phase"),
                   "measured_at": time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()),
                   "evidence": "felhom.eu/documentation/audits/prowlarr-2026-10-15/box/run3/restore.txt"}
        os.makedirs(os.path.join(EV, "..", APP), exist_ok=True)
        json.dump(verdict, open(os.path.join(EV, "..", APP, "box-verdict-prowlarr.json"), "w"), indent=2)
        say(f"[3] box verdict {verdict['verdict']}")

    snaps = w.snapshots(APP)
    say(f"[4] restore points offered BEFORE the remove: {json.dumps(snaps, ensure_ascii=False)[:400]}")
    c1, d1 = w.ctl("POST", f"/api/stacks/{APP}/stop")
    say(f"[4] stop -> {c1}")
    for _ in range(24):
        time.sleep(5)
        if w.stack(APP).get("state") != "running":
            break
    code, d = w.ctl("POST", f"/api/stacks/{APP}/remove", {"remove_hdd_data": False, "remove_backups": False})
    say(f"[4] remove KEEPING the backups -> {code} {json.dumps(d, ensure_ascii=False)[:300]}")
    time.sleep(5)
    say("[4] left after remove: " + w.guest("echo containers=$(docker ps -aq -f name=^prowlarr$ | wc -l) volumes=$(docker volume ls -q | grep -c prowlarr)").strip())

    rr = w.restore(APP)
    say(f"[5] restore: {json.dumps({k: rr.get(k) for k in ('ok', 'snapshot_id', 'http', 'seconds', 'state_after', 'hold_after', 'why')}, ensure_ascii=False)}")
    w.wait_app(SUB, "/ping", want=("200",), tries=40)
    ok3 = bool(tok) and fxp.verify(w, SUB, tok, say)
    say(f"[5] 2.5 the seed reads back after remove + restore: {ok3}")
    say("[5] through traefik after restore: " + w.guest(f"curl -sk -o /dev/null -w '%{{http_code}}' -H 'Host: {SUB}.{w.DOMAIN}' https://127.0.0.1/ping").strip())
    say("[5] app.yaml env keys after restore: " + w.guest(f"sed -n '/^env:/,/^[a-z]/p' /opt/docker/stacks/{APP}/app.yaml | grep -oE '^ +[A-Z_]+' | paste -sd' '").strip())
    say("[5] image after restore: " + w.guest("docker inspect prowlarr -f '{{.Config.Image}} health={{.State.Health.Status}}'").strip())

    # teardown through the product, backups too (this is a scratch install)
    w.remove(APP)
    say("[9] after remove: " + w.guest("echo containers=$(docker ps -aq -f name=^prowlarr$ | wc -l) volumes=$(docker volume ls -q | grep -c prowlarr)").strip())
    json.dump({"seed": tok, "seed_before": ok1, "after_update": ok2, "after_restore": ok3,
               "update_final": up.get("final_phase"), "restore": {k: rr.get(k) for k in ("ok", "snapshot_id", "http", "seconds", "state_after")},
               "measured_at": time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime())},
              open(os.path.join(EV, "restore-results.json"), "w"), indent=2, ensure_ascii=False)


main()