def _wait_until_alive(self, client: EdenClient) -> None:
def is_alive() -> Optional[bool]:
if client.getDaemonInfo().status == fb303_status.ALIVE:
return True
return None
poll_until(is_alive, timeout=60)
def _wait_for_mount_running(self,
client: EdenClient,
path: Optional[Path] = None) -> None:
mount_path = path if path is not None else Path(self.mount)
def mount_running() -> Optional[bool]:
if self.eden.get_mount_state(mount_path,
client) == MountState.RUNNING:
return True
return None
poll_until(mount_running, timeout=60)
def test_stop_during_takeover(self) -> None:
# block graceful restart
with self.eden.get_thrift_client_legacy() as client:
client.injectFault(
FaultDefinition(
keyClass="takeover", keyValueRegex="server_shutdown", block=True
)
)
self.eden.wait_for_is_healthy()
# Run a graceful restart
# This won't succeed until we unblock the shutdown.
p = Process(target=self.eden.graceful_restart)
p.start()
# Wait for the state to be shutting down
def state_shutting_down() -> Optional[bool]:
if not p.is_alive():
raise Exception(
"eden restart --graceful command finished while "
"graceful restart was still blocked"
)
if client.getDaemonInfo().status is fb303_status.STOPPING:
return True
return None
poll_until(state_shutting_down, timeout=60)
# Normal restart should be rejected while a graceful restart
# is in progress
self.assert_restart_fails_with_in_progress_graceful_restart(client)
# Normal shutdown should be rejected while a graceful restart
# is in progress
self.assert_shutdown_fails_with_in_progress_graceful_restart(client)
# Getting SIGTERM should not kill process while a graceful restart is in
# progress
self.assert_sigkill_fails_with_in_progress_graceful_restart(client)
# Unblock the server shutdown and wait for the graceful restart to complete.
client.unblockFault(
UnblockFaultArg(keyClass="takeover", keyValueRegex="server_shutdown")
)
p.join()
def test_mount_init_state(self) -> None:
self.eden.run_cmd("unmount", self.mount)
self.assertEqual({self.mount: "NOT_RUNNING"},
self.eden.list_cmd_simple())
with self.eden.get_thrift_client_legacy() as client:
fault = FaultDefinition(keyClass="mount",
keyValueRegex=".*",
block=True)
client.injectFault(fault)
# Run the "eden mount" CLI command.
# This won't succeed until we unblock the mount.
mount_cmd, edenfsctl_env = self.eden.get_edenfsctl_cmd_env(
"mount", self.mount)
mount_proc = subprocess.Popen(mount_cmd, env=edenfsctl_env)
# Wait for the new mount to be reported by edenfs
def mount_started() -> Optional[bool]:
if self.eden.get_mount_state(Path(self.mount),
client) is not None:
return True
if mount_proc.poll() is not None:
raise Exception(
f"eden mount command finished (with status "
f"{mount_proc.returncode}) while mounting was "
f"still blocked")
return None
poll_until(mount_started, timeout=30)
self.assertEqual({self.mount: "INITIALIZING"},
self.eden.list_cmd_simple())
# Most thrift calls to access the mount should be disallowed while it is
# still initializing.
self._assert_thrift_calls_fail_during_mount_init(client)
# Unblock mounting and wait for the mount to transition to running
client.unblockFault(
UnblockFaultArg(keyClass="mount", keyValueRegex=".*"))
self._wait_for_mount_running(client)
self.assertEqual({self.mount: "RUNNING"},
self.eden.list_cmd_simple())
mount_proc.wait()
def _run_test(self,
invalidate_fn: Callable[[], None],
timeout: float = 15) -> None:
self.update_validity_interval("20ms")
# Run the function which will invalidate the state directory
invalidate_fn()
# EdenFS should exit on its own
optional_edenfs = self.eden._process
assert optional_edenfs is not None
edenfs = optional_edenfs
def edenfs_exited() -> Optional[bool]:
returncode = edenfs.poll()
if returncode is None:
return None
return True
poll_until(edenfs_exited, timeout=timeout)
def _wait_until_initializing(self, num_mounts: int = 1) -> None:
"""Wait until EdenFS is initializing mount points.
This is primarily intended to be used to wait until the mount points are
initializing when starting EdenFS with --fault_injection_block_mounts.
"""
def is_initializing() -> Optional[bool]:
try:
with self.eden.get_thrift_client_legacy() as client:
# Return successfully when listMounts() reports the number of
# mounts that we expect.
mounts = client.listMounts()
if len(mounts) == num_mounts:
return True
edenfs_process = self.eden._process
assert edenfs_process is not None
if edenfs_process.poll():
self.fail("eden exited before becoming healthy")
return None
except (EdenNotRunningError, TException):
return None
poll_until(is_initializing, timeout=60)
def poll_until_inactive(self, timeout: float) -> None:
def check_inactive() -> typing.Optional[bool]:
return True if self.query_active_state() == "inactive" else None
poll_until(check_inactive, timeout=timeout)
def test_mount_state_during_unmount_with_in_progress_checkout(
self) -> None:
mounts = self.eden.run_cmd("list")
self.assertEqual(f"{self.mount}\n", mounts)
self.backing_repo.write_file("foo/bar.txt", "new contents")
new_commit = self.backing_repo.commit("Update foo/bar.txt")
with self.eden.get_thrift_client() as client:
client.injectFault(
FaultDefinition(keyClass="inodeCheckout",
keyValueRegex=".*",
block=True))
# Run a checkout
p1 = Process(target=self.repo.update, args=(new_commit, ))
p1.start()
hg_parent = self.hg("log", "-r.", "-T{node}")
# Ensure the checkout has started
def checkout_in_progress() -> Optional[bool]:
try:
client.getScmStatusV2(
GetScmStatusParams(
mountPoint=bytes(self.mount, encoding="utf-8"),
commit=bytes(hg_parent, encoding="utf-8"),
listIgnored=False,
))
except EdenError as ex:
if ex.errorType == EdenErrorType.CHECKOUT_IN_PROGRESS:
return True
else:
raise ex
return None
util.poll_until(checkout_in_progress, timeout=30)
p2 = Process(target=self.eden.unmount, args=(self.mount, ))
p2.start()
# Wait for the state to be shutting down
def state_shutting_down() -> Optional[bool]:
mounts = self.eden.run_cmd("list")
print(mounts)
if mounts.find("SHUTTING_DOWN") != -1:
return True
if mounts.find("(not mounted)") != -1:
self.fail(
"mount should not list status as not mounted while "
"checkout is in progress")
return None
util.poll_until(state_shutting_down, timeout=30)
# Unblock the server shutdown and wait for the checkout to complete.
client.unblockFault(
UnblockFaultArg(keyClass="inodeCheckout", keyValueRegex=".*"))
# join the checkout before the unmount because the unmount call
# won't finish until the checkout has finished
p1.join()
p2.join()
def test_local_store_stats(self) -> None:
# Update the config to tell the local store to updates its stats frequently
# and also check if it needs to reload the config file frequently.
initial_config = """\
[config]
reload-interval = "100ms"
[store]
stats-interval = "100ms"
"""
self.eden.user_rc_path.write_text(initial_config)
counter_regex = r"local_store\..*"
with self.get_thrift_client() as client:
# Makes sure that EdenFS picks up our updated config,
# since we wrote it out after EdenFS started.
client.reloadConfig()
# Get the local store counters
# Assert that the exist and are greater than 0.
# (Since we include memtable sizes in the values these are currently always
# reported as taking up at least a small amount of space.)
initial_counters = client.getRegexCounters(counter_regex)
self.assertGreater(initial_counters.get("local_store.blob.size"),
0)
self.assertGreater(
initial_counters.get("local_store.blobmeta.size"), 0)
self.assertGreater(initial_counters.get("local_store.tree.size"),
0)
self.assertGreater(
initial_counters.get("local_store.hgcommit2tree.size"), 0)
self.assertGreater(
initial_counters.get("local_store.hgproxyhash.size"), 0)
self.assertGreater(
initial_counters.get("local_store.ephemeral.total_size"), 0)
self.assertGreater(
initial_counters.get("local_store.persistent.total_size"), 0)
# Make sure the counters are less than 500MB, just as a sanity check
self.assertLess(
initial_counters.get("local_store.ephemeral.total_size"),
500_000_000)
self.assertLess(
initial_counters.get("local_store.persistent.total_size"),
500_000_000)
# Read back several files
self.assertEqual((self.mount_path / "a/dir/foo.txt").read_text(),
"foo\n")
self.assertEqual((self.mount_path / "a/dir/bar.txt").read_text(),
"bar\n")
self.assertEqual(
(self.mount_path / "a/another_dir/hello.txt").read_text(),
"hola\n")
# The tree store size should be larger now after reading these files.
# The counters won't be updated until the store.stats-interval expires.
# Wait for this to happen.
def tree_size_incremented() -> Optional[bool]:
tree_size = client.getCounter("local_store.tree.size")
initial_tree_size = initial_counters.get(
"local_store.tree.size")
assert initial_tree_size is not None
if tree_size > initial_tree_size:
return True
return None
poll_until(tree_size_incremented, timeout=10, interval=0.1)
# EdenFS should not import blobs to local store
self.assertEqual(
initial_counters.get("local_store.blob.size"),
client.getCounter("local_store.blob.size"),
)
# Update the config file with a very small GC limit that will force GC to be
# triggered
self.eden.user_rc_path.write_text(initial_config + """
blob-size-limit = "1"
blobmeta-size-limit = "1"
tree-size-limit = "1"
hgcommit2tree-size-limit = "1"
""")
# Wait until a GC run has completed.
def gc_run_succeeded() -> Optional[Dict[str, int]]:
counters = client.getRegexCounters(counter_regex)
if counters.get(
"local_store.auto_gc.last_run_succeeded") is not None:
return counters
return None
counters = poll_until(gc_run_succeeded, timeout=30, interval=0.05)
# Check the local_store.auto_gc counters
self.assertEqual(
counters.get("local_store.auto_gc.last_run_succeeded"), 1)
self.assertGreater(counters.get("local_store.auto_gc.success"), 0)
self.assertEqual(counters.get("local_store.auto_gc.failure", 0), 0)
self.assertGreaterEqual(
counters.get("local_store.auto_gc.last_duration_ms"), 0)
# Run "eden stats local-store" and check the output
stats_output = self.eden.run_cmd("stats", "local-store")
print(stats_output)
m = re.search(r"Successful Auto-GC Runs:\s+(\d+)", stats_output)
self.assertIsNotNone(m)
assert m is not None # make the type checker happy
self.assertGreater(int(m.group(1)), 0)
self.assertRegex(stats_output, r"Last Auto-GC Result:\s+Success")
self.assertRegex(stats_output, r"Failed Auto-GC Runs:\s+0")
self.assertRegex(stats_output, r"Total Ephemeral Size:")
self.assertRegex(stats_output, r"Total Persistent Size:")
