Every Prisma CLI call now goes through one runner that starts the command in
its own session and SIGKILLs the process group on timeout, so the Node process
and the Rust schema engine die together with the Python wrapper instead of
being reparented to pid 1, where they kept applying migrations after the proxy
had given up and held the Prisma advisory lock against every retry and every
later boot. Tests that faked subprocess.run now fake the runner, and the fake
Prisma CLI in the migration tests forks a grandchild that must not outlive a
timed-out migrate deploy.
heal_incomplete_nodeenv_cache() stats a $HOME-derived path with a bare
Path.is_dir(). pathlib only swallows ENOENT-shaped errnos, so a cache
directory the process cannot search raises PermissionError instead of
answering False. Images bake that cache under the build user's home, whose
mode is 0700, so a container started under any other uid dies there before
the Prisma CLI is ever invoked, and the migration never runs.
Tolerate OSError while inspecting the cache, matching the guard
nodeenv_cache_dir() already carries, so an unreachable cache means there is
nothing to heal rather than a crash. This restores the never-raises
contract ensure_prisma_toolchain() documents.
The Prisma CLI is a Node program that installs a private Node runtime on its
first invocation. That one-time install shared the 60s budget that bounds each
migration command, so on a slow or cold machine it was killed before it could
finish. Prisma then decides whether to reinstall by testing the cache
directory for existence alone, and a killed install leaves that directory
behind, so every later attempt skipped the install and failed on a node binary
that was never written. The existing four-attempt retry loop could not help:
each attempt hit the same missing binary, which turned a slow start into a
container that never migrated again.
Migrations now prepare the toolchain as its own step under its own budget, and
a cache directory that exists without a node binary is deleted first so an
interrupted install reinstalls instead of persisting. Both budgets are
overridable, LITELLM_PRISMA_BOOTSTRAP_TIMEOUT for the install and
LITELLM_PRISMA_COMMAND_TIMEOUT for each Prisma command, and every previously
hardcoded timeout now goes through one helper rather than thirteen literals.
The per-command default stays at 60s.
An override is only honoured when it parses as a finite positive number.
Infinity and NaN parse as floats and survive a plain positivity check, and
subprocess treats either as no deadline at all, so a value like `inf` or a
fat-fingered `1e400` would have silently disabled the timeout it was meant to
configure.
