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fix: execution slug collision under back-to-back requests
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Live testing hit `entities_slug_key` violations: exec slugs used an 8-char
prefix of a UUIDv7, whose leading bytes encode a millisecond timestamp — two
executions created seconds apart can share a prefix. Use the full UUID
(guaranteed unique) for the exec entity's slug/name in request_execution, the
new `run` tool, and the REST RequestExecution handler — all three had the
same pattern.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
authentik Default Admin
2026-07-10 09:37:08 +02:00
parent 9539759db6
commit d08a985ea9
2 changed files with 15 additions and 5 deletions
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15
internal/mcp/server.go
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@@ -310,8 +310,12 @@ func newServer(pool *db.Pool, agentID uuid.UUID) *mcp.Server {
id, _ := uuid.NewV7()
correlationID := uuid.New().String()
execName := action + " on " + targetSlug + " (" + id.String()[:8] + ")"
execSlug := "exec:" + targetSlug + ":" + id.String()[:8]
// Full UUID, not a truncated prefix: UUIDv7's leading bytes encode a
// millisecond timestamp, so an 8-char prefix collides for real under
// back-to-back requests (observed live: two `run` calls seconds
// apart hit entities_slug_key). The full string is guaranteed unique.
execName := action + " on " + targetSlug + " (" + id.String() + ")"
execSlug := "exec:" + targetSlug + ":" + id.String()
_, err := pool.Exec(ctx, `INSERT INTO entities (id, slug, type, name, attributes) VALUES ($1, $2, 'execution', $3, '{}')`,
id, execSlug, execName)
if err != nil {
@@ -452,8 +456,11 @@ func newServer(pool *db.Pool, agentID uuid.UUID) *mcp.Server {
id, _ := uuid.NewV7()
correlationID := uuid.New().String()
execName := "run on " + targetSlug + " (" + id.String()[:8] + ")"
execSlug := "exec:" + targetSlug + ":" + id.String()[:8]
// Full UUID, not a truncated prefix — see the matching comment on
// request_execution's exec slug generation above; the 8-char prefix
// collided for real under back-to-back requests.
execName := "run on " + targetSlug + " (" + id.String() + ")"
execSlug := "exec:" + targetSlug + ":" + id.String()
if _, err := pool.Exec(ctx, `INSERT INTO entities (id, slug, type, name, attributes) VALUES ($1, $2, 'execution', $3, '{}')`,
id, execSlug, execName); err != nil {
return textResult(fmt.Sprintf("error: failed to create execution: %v", err)), nil