sapling/eden/integration/rocksdb_store_test.py
Ratnadeep Joshi 9ce47b3031 Move eden.cli namespace to eden.fs.cli
Summary: [edenfs] Move eden.cli namespace to eden.fs.cli

Reviewed By: simpkins

Differential Revision: D20520952

fbshipit-source-id: 182793867404dcb0753363282640f8fd4d2ff496
2020-03-25 11:46:56 -07:00

138 lines
5.6 KiB
Python

#!/usr/bin/env python3
# Copyright (c) Facebook, Inc. and its affiliates.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2.
import re
from typing import Dict, Optional
from eden.fs.cli.util import poll_until
from .lib import testcase
class RocksDBStoreTest(testcase.HgRepoTestMixin, testcase.EdenRepoTest):
def populate_repo(self) -> None:
self.repo.write_file("a/dir/foo.txt", "foo\n")
self.repo.write_file("a/dir/bar.txt", "bar\n")
self.repo.write_file("a/another_dir/hello.txt", "hola\n")
self.repo.commit("Initial commit.")
def select_storage_engine(self) -> str:
return "rocksdb"
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=1, 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=5, 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:")