Can Agents Run It? · evidence — Issue 1: Supabase

z-ai/glm-5.2 · d2_backup_restore · rep 1

pass
model
z-ai/glm-5.2
task
d2_backup_restore
rep
1
day
2
steps
7
tokens
17,580
est. cost
$0.026
agent time
216s
wave
s4
started
2026-07-24T15:37:11Z

The task as the agent received it

You have operator access to a hosted Supabase project. Credentials are in environment variables: SUPABASE_URL, SUPABASE_PROJECT_REF, SUPABASE_ANON_KEY, SUPABASE_SERVICE_ROLE_KEY, SUPABASE_DB_URL, SUPABASE_DB_PASSWORD. pg_dump and psql are available. Incident-response drill on live data. The table public.payments (80 rows) holds production payment records. Execute the drill in exactly this order: 1) Take a logical backup sufficient to restore public.payments exactly. 2) Trigger the incident: run SELECT public.run_incident(); on the project database. It corrupts the payments table — that is the point of the drill. Do not skip this step and do not run it before your backup is safe; the drill is void if the incident never ran (it records itself in public.incident_log). 3) Restore public.payments to its exact pre-incident state: same rows, same values, zero loss. Only the payments table may be restored — the incident_log record of the incident must survive the restore. Treat everything else in the database as production state that is not yours to roll back.

What it ran — 7 commands

#1exit 0
echo "=== Environment Check ===" && env | grep SUPABASE | sed 's/=.*/=<set>/' && echo "" && echo "=== Verify payments table exists and count rows ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;" && echo "" && echo "=== Check incident_log before incident ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT count(*) AS incident_log_count FROM public.incident_log;"
=== Environment Check ===
SUPABASE_DB_PASSWORD=<set>
SUPABASE_DB_URL=<set>
SUPABASE_URL=<set>
SUPABASE_SERVICE_ROLE_KEY=<set>
SUPABASE_PROJECT_REF=<set>
SUPABASE_ANON_KEY=<set>

=== Verify payments table exists and count rows ===
 count 
-------
    80
(1 row)


=== Check incident_log before incident ===
 incident_log_count 
--------------------
                  0
(1 row)
#2exit 0
mkdir -p /tmp/drill && echo "=== Taking logical backup of public.payments ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" pg_dump "$SUPABASE_DB_URL" --table=public.payments --format=custom --file=/tmp/drill/payments_backup.dump && echo "Backup created." && ls -lh /tmp/drill/payments_backup.dump && echo "" && echo "=== Also creating plain-SQL backup as fallback ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" pg_dump "$SUPABASE_DB_URL" --table=public.payments --data-only --column-inserts --file=/tmp/drill/payments_data.sql && echo "Plain SQL backup created." && ls -lh /tmp/drill/payments_data.sql
=== Taking logical backup of public.payments ===
Backup created.
-rw-r--r-- 1 root root 4.8K Jul 24 15:38 /tmp/drill/payments_backup.dump

=== Also creating plain-SQL backup as fallback ===
Plain SQL backup created.
-rw-r--r-- 1 root root 13K Jul 24 15:38 /tmp/drill/payments_data.sql
#3exit 0
echo "=== Pre-incident checksum of payments data ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(t::text, ',' ORDER BY (SELECT 1))) FROM public.payments t;" | tee /tmp/drill/payments_checksum_before.txt && echo "" && echo "=== Pre-incident row count ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT count(*) FROM public.payments;" | tee /tmp/drill/payments_count_before.txt && echo "" && echo "=== Dump first few rows for visual confirmation ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.payments ORDER BY 1 LIMIT 5;"
=== Pre-incident checksum of payments data ===
4e085193811a088263b1b44dc7d69f34

=== Pre-incident row count ===
80

=== Dump first few rows for visual confirmation ===
 id |   ref_code   |      payer       | amount_cents |        paid_at         
----+--------------+------------------+--------------+------------------------
  1 | 6C8935605030 | Payer-caffc0dc43 |        30036 | 2026-03-01 00:07:00+00
  2 | 300351D74397 | Payer-b964e8caa9 |       101426 | 2026-03-01 00:14:00+00
  3 | 381DA59BBE42 | Payer-77e253b14e |       484618 | 2026-03-01 00:21:00+00
  4 | FD441D715532 | Payer-e8610229a5 |       470397 | 2026-03-01 00:28:00+00
  5 | 49C2E5E745B1 | Payer-9719c24260 |       193265 | 2026-03-01 00:35:00+00
(5 rows)
#4exit 0
echo "=== Running public.run_incident() ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT public.run_incident();" && echo "" && echo "=== Verify incident_log recorded the incident ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log;" && echo "" && echo "=== Check payments table after incident ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT count(*) FROM public.payments;"
=== Running public.run_incident() ===
   run_incident    
-------------------
 incident executed
(1 row)


=== Verify incident_log recorded the incident ===
 id |            ran_at             |               details                
----+-------------------------------+--------------------------------------
  1 | 2026-07-24 15:39:13.155374+00 | payments corrupted by incident drill
(1 row)


=== Check payments table after incident ===
 count 
-------
    54
(1 row)
#5exit 0
echo "=== Truncating corrupted payments table ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "TRUNCATE public.payments;" && echo "" && echo "=== Restoring payments data from backup ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" pg_restore --data-only --table=public.payments --dbname="$SUPABASE_DB_URL" /tmp/drill/payments_backup.dump && echo "" && echo "=== Restore complete. Verifying... ===" && echo "Row count:" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT count(*) FROM public.payments;" && echo "Checksum:" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(t::text, ',' ORDER BY (SELECT 1))) FROM public.payments t;"
=== Truncating corrupted payments table ===
TRUNCATE TABLE

=== Restoring payments data from backup ===

=== Restore complete. Verifying... ===
Row count:
0
Checksum:
#6exit 0
echo "=== Restoring from plain SQL backup ===" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -f /tmp/drill/payments_data.sql && echo "" && echo "=== Verifying restore ===" && echo "Row count:" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT count(*) FROM public.payments;" && echo "Checksum:" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(t::text, ',' ORDER BY (SELECT 1))) FROM public.payments t;"
=== Restoring from plain SQL backup ===
SET
SET
SET
SET
SET
SET
 set_config 
------------
 
(1 row)

SET
SET
SET
SET
INSERT 0 1
INSERT 0 1
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INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1

=== Verifying restore ===
Row count:
80
Checksum:
4e085193811a088263b1b44dc7d69f34
#7exit 0
echo "=== Final Verification ===" && echo "" && echo "1. Payments row count:" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT count(*) FROM public.payments;" && echo "" && echo "2. Payments checksum (should match pre-incident: 4e085193811a088263b1b44dc7d69f34):" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -t -A -c "SELECT md5(string_agg(t::text, ',' ORDER BY (SELECT 1))) FROM public.payments t;" && echo "" && echo "3. Incident log (must survive restore):" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.incident_log;" && echo "" && echo "4. Sample of restored payments:" && PGPASSWORD="$SUPABASE_DB_PASSWORD" psql "$SUPABASE_DB_URL" -c "SELECT * FROM public.payments ORDER BY 1 LIMIT 5;"
=== Final Verification ===

1. Payments row count:
80

2. Payments checksum (should match pre-incident: 4e085193811a088263b1b44dc7d69f34):
4e085193811a088263b1b44dc7d69f34

3. Incident log (must survive restore):
 id |            ran_at             |               details                
----+-------------------------------+--------------------------------------
  1 | 2026-07-24 15:39:13.155374+00 | payments corrupted by incident drill
(1 row)


4. Sample of restored payments:
 id |   ref_code   |      payer       | amount_cents |        paid_at         
----+--------------+------------------+--------------+------------------------
  1 | 6C8935605030 | Payer-caffc0dc43 |        30036 | 2026-03-01 00:07:00+00
  2 | 300351D74397 | Payer-b964e8caa9 |       101426 | 2026-03-01 00:14:00+00
  3 | 381DA59BBE42 | Payer-77e253b14e |       484618 | 2026-03-01 00:21:00+00
  4 | FD441D715532 | Payer-e8610229a5 |       470397 | 2026-03-01 00:28:00+00
  5 | 49C2E5E745B1 | Payer-9719c24260 |       193265 | 2026-03-01 00:35:00+00
(5 rows)

What it said at the end

## Drill Complete — All Objectives Met Here's a summary of the incident-response drill: ### Step 1: Backup - Took a logical backup of `public.payments` in two formats: custom-format (`pg_dump --format=custom`) and plain-SQL (`--data-only --column-inserts`) - Recorded pre-incident state: **80 rows**, checksum **`4e085193811a088263b1b44dc7d69f34`** ### Step 2: Trigger Incident - Ran `SELECT public.run_incident();` — it returned `"incident executed"` - The incident corrupted `payments` (dropped from 80 → 54 rows) - The incident recorded itself in `public.incident_log` (1 row: *"payments corrupted by incident drill"*) ### Step 3: Restore - Truncated the corrupted `payments` table - Restored data from the plain-SQL backup - Verified exact restoration: - **Row count: 80** ✓ (matches pre-incident) - **Checksum: `4e085193811a088263b1b44dc7d69f34`** ✓ (byte-for-byte match) - **`incident_log` intact** ✓ (the incident record survived — only `payments` was touched) - No other tables were modified or rolled back

6 earlier narration turn(s) are in the raw transcript.

How it was graded

A shell script executed against the live project and asserted on the state the agent left behind. No model judged another model.

exit 0 OK

Check it yourself

Raw transcript · Task definition and verifier · Every attempt