storage.py
# Copyright (C) 2015-2020 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information
import contextlib
import datetime
import itertools
import json
from collections import defaultdict
from concurrent.futures import ThreadPoolExecutor
from contextlib import contextmanager
from typing import Any, Dict, Iterable, List, Optional, Union
import attr
import dateutil.parser
import psycopg2
import psycopg2.pool
import psycopg2.errors
from swh.model.model import (
Content, Directory, Origin, OriginVisit,
Revision, Release, SkippedContent, Snapshot, SHA1_SIZE
)
from swh.model.hashutil import DEFAULT_ALGORITHMS, hash_to_bytes, hash_to_hex
from swh.storage.objstorage import ObjStorage
from . import converters, HashCollision
from .common import db_transaction_generator, db_transaction
from .db import Db
from .exc import StorageArgumentException, StorageDBError
from .algos import diff
from .metrics import timed, send_metric, process_metrics
from .utils import (
get_partition_bounds_bytes, extract_collision_hash
)
from .writer import JournalWriter
# Max block size of contents to return
BULK_BLOCK_CONTENT_LEN_MAX = 10000
EMPTY_SNAPSHOT_ID = hash_to_bytes('1a8893e6a86f444e8be8e7bda6cb34fb1735a00e')
"""Identifier for the empty snapshot"""
VALIDATION_EXCEPTIONS = (
psycopg2.errors.CheckViolation,
psycopg2.errors.IntegrityError,
psycopg2.errors.InvalidTextRepresentation,
psycopg2.errors.NotNullViolation,
psycopg2.errors.NumericValueOutOfRange,
psycopg2.errors.UndefinedFunction, # (raised on wrong argument typs)
)
"""Exceptions raised by postgresql when validation of the arguments
failed."""
@contextlib.contextmanager
def convert_validation_exceptions():
"""Catches postgresql errors related to invalid arguments, and
re-raises a StorageArgumentException."""
try:
yield
except VALIDATION_EXCEPTIONS as e:
raise StorageArgumentException(*e.args)
class Storage():
"""SWH storage proxy, encompassing DB and object storage
"""
def __init__(self, db, objstorage, min_pool_conns=1, max_pool_conns=10,
journal_writer=None):
"""
Args:
db_conn: either a libpq connection string, or a psycopg2 connection
obj_root: path to the root of the object storage
"""
try:
if isinstance(db, psycopg2.extensions.connection):
self._pool = None
self._db = Db(db)
else:
self._pool = psycopg2.pool.ThreadedConnectionPool(
min_pool_conns, max_pool_conns, db
)
self._db = None
except psycopg2.OperationalError as e:
raise StorageDBError(e)
self.journal_writer = JournalWriter(journal_writer)
self.objstorage = ObjStorage(objstorage)
def get_db(self):
if self._db:
return self._db
else:
return Db.from_pool(self._pool)
def put_db(self, db):
if db is not self._db:
db.put_conn()
@contextmanager
def db(self):
db = None
try:
db = self.get_db()
yield db
finally:
if db:
self.put_db(db)
@timed
@db_transaction()
def check_config(self, *, check_write, db=None, cur=None):
if not self.objstorage.check_config(check_write=check_write):
return False
# Check permissions on one of the tables
if check_write:
check = 'INSERT'
else:
check = 'SELECT'
cur.execute(
"select has_table_privilege(current_user, 'content', %s)",
(check,)
)
return cur.fetchone()[0]
def _content_unique_key(self, hash, db):
"""Given a hash (tuple or dict), return a unique key from the
aggregation of keys.
"""
keys = db.content_hash_keys
if isinstance(hash, tuple):
return hash
return tuple([hash[k] for k in keys])
def _content_add_metadata(self, db, cur, content):
"""Add content to the postgresql database but not the object storage.
"""
# create temporary table for metadata injection
db.mktemp('content', cur)
db.copy_to((c.to_dict() for c in content), 'tmp_content',
db.content_add_keys, cur)
# move metadata in place
try:
db.content_add_from_temp(cur)
except psycopg2.IntegrityError as e:
if e.diag.sqlstate == '23505' and \
e.diag.table_name == 'content':
message_detail = e.diag.message_detail
if message_detail:
hash_name, hash_id = extract_collision_hash(message_detail)
collision_contents_hashes = [
c.hashes() for c in content
if c.get_hash(hash_name) == hash_id
]
else:
constraint_to_hash_name = {
'content_pkey': 'sha1',
'content_sha1_git_idx': 'sha1_git',
'content_sha256_idx': 'sha256',
}
hash_name = constraint_to_hash_name \
.get(e.diag.constraint_name)
hash_id = None
collision_contents_hashes = None
raise HashCollision(
hash_name, hash_id, collision_contents_hashes
) from None
else:
raise
@timed
@process_metrics
@db_transaction()
def content_add(
self, content: Iterable[Content], db=None, cur=None) -> Dict:
now = datetime.datetime.now(tz=datetime.timezone.utc)
contents = [attr.evolve(c, ctime=now) for c in content]
missing = list(self.content_missing(
map(Content.to_dict, contents), key_hash='sha1_git'))
contents = [c for c in contents if c.sha1_git in missing]
self.journal_writer.content_add(contents)
def add_to_objstorage():
"""Add to objstorage the new missing_content
Returns:
Sum of all the content's data length pushed to the
objstorage. Content present twice is only sent once.
"""
summary = self.objstorage.content_add(contents)
return summary['content:add:bytes']
with ThreadPoolExecutor(max_workers=1) as executor:
added_to_objstorage = executor.submit(add_to_objstorage)
self._content_add_metadata(db, cur, contents)
# Wait for objstorage addition before returning from the
# transaction, bubbling up any exception
content_bytes_added = added_to_objstorage.result()
return {
'content:add': len(contents),
'content:add:bytes': content_bytes_added,
}
@timed
@db_transaction()
def content_update(self, content, keys=[], db=None, cur=None):
# TODO: Add a check on input keys. How to properly implement
# this? We don't know yet the new columns.
self.journal_writer.content_update(content)
db.mktemp('content', cur)
select_keys = list(set(db.content_get_metadata_keys).union(set(keys)))
with convert_validation_exceptions():
db.copy_to(content, 'tmp_content', select_keys, cur)
db.content_update_from_temp(keys_to_update=keys,
cur=cur)
@timed
@process_metrics
@db_transaction()
def content_add_metadata(self, content: Iterable[Content],
db=None, cur=None) -> Dict:
contents = list(content)
missing = self.content_missing(
(c.to_dict() for c in contents), key_hash='sha1_git')
contents = [c for c in contents if c.sha1_git in missing]
self.journal_writer.content_add_metadata(contents)
self._content_add_metadata(db, cur, contents)
return {
'content:add': len(contents),
}
@timed
def content_get(self, content):
# FIXME: Make this method support slicing the `data`.
if len(content) > BULK_BLOCK_CONTENT_LEN_MAX:
raise StorageArgumentException(
"Send at maximum %s contents." % BULK_BLOCK_CONTENT_LEN_MAX)
yield from self.objstorage.content_get(content)
@timed
@db_transaction()
def content_get_range(self, start, end, limit=1000, db=None, cur=None):
if limit is None:
raise StorageArgumentException('limit should not be None')
contents = []
next_content = None
for counter, content_row in enumerate(
db.content_get_range(start, end, limit+1, cur)):
content = dict(zip(db.content_get_metadata_keys, content_row))
if counter >= limit:
# take the last commit for the next page starting from this
next_content = content['sha1']
break
contents.append(content)
return {
'contents': contents,
'next': next_content,
}
@timed
@db_transaction()
def content_get_partition(
self, partition_id: int, nb_partitions: int, limit: int = 1000,
page_token: str = None, db=None, cur=None):
if limit is None:
raise StorageArgumentException('limit should not be None')
(start, end) = get_partition_bounds_bytes(
partition_id, nb_partitions, SHA1_SIZE)
if page_token:
start = hash_to_bytes(page_token)
if end is None:
end = b'\xff'*SHA1_SIZE
result = self.content_get_range(start, end, limit)
result2 = {
'contents': result['contents'],
'next_page_token': None,
}
if result['next']:
result2['next_page_token'] = hash_to_hex(result['next'])
return result2
@timed
@db_transaction(statement_timeout=500)
def content_get_metadata(
self, contents: List[bytes],
db=None, cur=None) -> Dict[bytes, List[Dict]]:
result: Dict[bytes, List[Dict]] = {sha1: [] for sha1 in contents}
for row in db.content_get_metadata_from_sha1s(contents, cur):
content_meta = dict(zip(db.content_get_metadata_keys, row))
result[content_meta['sha1']].append(content_meta)
return result
@timed
@db_transaction_generator()
def content_missing(self, content, key_hash='sha1', db=None, cur=None):
keys = db.content_hash_keys
if key_hash not in keys:
raise StorageArgumentException(
"key_hash should be one of %s" % keys)
key_hash_idx = keys.index(key_hash)
if not content:
return
for obj in db.content_missing_from_list(content, cur):
yield obj[key_hash_idx]
@timed
@db_transaction_generator()
def content_missing_per_sha1(self, contents, db=None, cur=None):
for obj in db.content_missing_per_sha1(contents, cur):
yield obj[0]
@timed
@db_transaction_generator()
def content_missing_per_sha1_git(self, contents, db=None, cur=None):
for obj in db.content_missing_per_sha1_git(contents, cur):
yield obj[0]
@timed
@db_transaction()
def content_find(self, content, db=None, cur=None):
if not set(content).intersection(DEFAULT_ALGORITHMS):
raise StorageArgumentException(
'content keys must contain at least one of: '
'sha1, sha1_git, sha256, blake2s256')
contents = db.content_find(sha1=content.get('sha1'),
sha1_git=content.get('sha1_git'),
sha256=content.get('sha256'),
blake2s256=content.get('blake2s256'),
cur=cur)
return [dict(zip(db.content_find_cols, content))
for content in contents]
@timed
@db_transaction()
def content_get_random(self, db=None, cur=None):
return db.content_get_random(cur)
@staticmethod
def _skipped_content_normalize(d):
d = d.copy()
if d.get('status') is None:
d['status'] = 'absent'
if d.get('length') is None:
d['length'] = -1
return d
@staticmethod
def _skipped_content_validate(d):
"""Sanity checks on status / reason / length, that postgresql
doesn't enforce."""
if d['status'] != 'absent':
raise StorageArgumentException(
'Invalid content status: {}'.format(d['status']))
if d.get('reason') is None:
raise StorageArgumentException(
'Must provide a reason if content is absent.')
if d['length'] < -1:
raise StorageArgumentException(
'Content length must be positive or -1.')
def _skipped_content_add_metadata(
self, db, cur, content: Iterable[SkippedContent]):
origin_ids = db.origin_id_get_by_url(
[cont.origin for cont in content],
cur=cur)
content = [attr.evolve(c, origin=origin_id)
for (c, origin_id) in zip(content, origin_ids)]
db.mktemp('skipped_content', cur)
db.copy_to([c.to_dict() for c in content], 'tmp_skipped_content',
db.skipped_content_keys, cur)
# move metadata in place
db.skipped_content_add_from_temp(cur)
@timed
@process_metrics
@db_transaction()
def skipped_content_add(self, content: Iterable[SkippedContent],
db=None, cur=None) -> Dict:
now = datetime.datetime.now(tz=datetime.timezone.utc)
content = [attr.evolve(c, ctime=now) for c in content]
missing_contents = self.skipped_content_missing(
c.to_dict() for c in content)
content = [c for c in content
if any(all(c.get_hash(algo) == missing_content.get(algo)
for algo in DEFAULT_ALGORITHMS)
for missing_content in missing_contents)]
self.journal_writer.skipped_content_add(content)
self._skipped_content_add_metadata(db, cur, content)
return {
'skipped_content:add': len(content),
}
@timed
@db_transaction_generator()
def skipped_content_missing(self, contents, db=None, cur=None):
contents = list(contents)
for content in db.skipped_content_missing(contents, cur):
yield dict(zip(db.content_hash_keys, content))
@timed
@process_metrics
@db_transaction()
def directory_add(self, directories: Iterable[Directory],
db=None, cur=None) -> Dict:
directories = list(directories)
summary = {'directory:add': 0}
dirs = set()
dir_entries: Dict[str, defaultdict] = {
'file': defaultdict(list),
'dir': defaultdict(list),
'rev': defaultdict(list),
}
for cur_dir in directories:
dir_id = cur_dir.id
dirs.add(dir_id)
for src_entry in cur_dir.entries:
entry = src_entry.to_dict()
entry['dir_id'] = dir_id
dir_entries[entry['type']][dir_id].append(entry)
dirs_missing = set(self.directory_missing(dirs, db=db, cur=cur))
if not dirs_missing:
return summary
self.journal_writer.directory_add(
dir_ for dir_ in directories
if dir_.id in dirs_missing
)
# Copy directory ids
dirs_missing_dict = ({'id': dir} for dir in dirs_missing)
db.mktemp('directory', cur)
db.copy_to(dirs_missing_dict, 'tmp_directory', ['id'], cur)
# Copy entries
for entry_type, entry_list in dir_entries.items():
entries = itertools.chain.from_iterable(
entries_for_dir
for dir_id, entries_for_dir
in entry_list.items()
if dir_id in dirs_missing)
db.mktemp_dir_entry(entry_type)
db.copy_to(
entries,
'tmp_directory_entry_%s' % entry_type,
['target', 'name', 'perms', 'dir_id'],
cur,
)
# Do the final copy
db.directory_add_from_temp(cur)
summary['directory:add'] = len(dirs_missing)
return summary
@timed
@db_transaction_generator()
def directory_missing(self, directories, db=None, cur=None):
for obj in db.directory_missing_from_list(directories, cur):
yield obj[0]
@timed
@db_transaction_generator(statement_timeout=20000)
def directory_ls(self, directory, recursive=False, db=None, cur=None):
if recursive:
res_gen = db.directory_walk(directory, cur=cur)
else:
res_gen = db.directory_walk_one(directory, cur=cur)
for line in res_gen:
yield dict(zip(db.directory_ls_cols, line))
@timed
@db_transaction(statement_timeout=2000)
def directory_entry_get_by_path(self, directory, paths, db=None, cur=None):
res = db.directory_entry_get_by_path(directory, paths, cur)
if res:
return dict(zip(db.directory_ls_cols, res))
@timed
@db_transaction()
def directory_get_random(self, db=None, cur=None):
return db.directory_get_random(cur)
@timed
@process_metrics
@db_transaction()
def revision_add(self, revisions: Iterable[Revision],
db=None, cur=None) -> Dict:
revisions = list(revisions)
summary = {'revision:add': 0}
revisions_missing = set(self.revision_missing(
set(revision.id for revision in revisions),
db=db, cur=cur))
if not revisions_missing:
return summary
db.mktemp_revision(cur)
revisions_filtered = [
revision for revision in revisions
if revision.id in revisions_missing]
self.journal_writer.revision_add(revisions_filtered)
revisions_filtered = \
list(map(converters.revision_to_db, revisions_filtered))
parents_filtered: List[bytes] = []
with convert_validation_exceptions():
db.copy_to(
revisions_filtered, 'tmp_revision', db.revision_add_cols,
cur,
lambda rev: parents_filtered.extend(rev['parents']))
db.revision_add_from_temp(cur)
db.copy_to(parents_filtered, 'revision_history',
['id', 'parent_id', 'parent_rank'], cur)
return {'revision:add': len(revisions_missing)}
@timed
@db_transaction_generator()
def revision_missing(self, revisions, db=None, cur=None):
if not revisions:
return
for obj in db.revision_missing_from_list(revisions, cur):
yield obj[0]
@timed
@db_transaction_generator(statement_timeout=1000)
def revision_get(self, revisions, db=None, cur=None):
for line in db.revision_get_from_list(revisions, cur):
data = converters.db_to_revision(
dict(zip(db.revision_get_cols, line))
)
if not data['type']:
yield None
continue
yield data
@timed
@db_transaction_generator(statement_timeout=2000)
def revision_log(self, revisions, limit=None, db=None, cur=None):
for line in db.revision_log(revisions, limit, cur):
data = converters.db_to_revision(
dict(zip(db.revision_get_cols, line))
)
if not data['type']:
yield None
continue
yield data
@timed
@db_transaction_generator(statement_timeout=2000)
def revision_shortlog(self, revisions, limit=None, db=None, cur=None):
yield from db.revision_shortlog(revisions, limit, cur)
@timed
@db_transaction()
def revision_get_random(self, db=None, cur=None):
return db.revision_get_random(cur)
@timed
@process_metrics
@db_transaction()
def release_add(
self, releases: Iterable[Release], db=None, cur=None) -> Dict:
releases = list(releases)
summary = {'release:add': 0}
release_ids = set(release.id for release in releases)
releases_missing = set(self.release_missing(release_ids,
db=db, cur=cur))
if not releases_missing:
return summary
db.mktemp_release(cur)
releases_filtered = [
release for release in releases
if release.id in releases_missing
]
self.journal_writer.release_add(releases_filtered)
releases_filtered = \
list(map(converters.release_to_db, releases_filtered))
with convert_validation_exceptions():
db.copy_to(releases_filtered, 'tmp_release', db.release_add_cols,
cur)
db.release_add_from_temp(cur)
return {'release:add': len(releases_missing)}
@timed
@db_transaction_generator()
def release_missing(self, releases, db=None, cur=None):
if not releases:
return
for obj in db.release_missing_from_list(releases, cur):
yield obj[0]
@timed
@db_transaction_generator(statement_timeout=500)
def release_get(self, releases, db=None, cur=None):
for release in db.release_get_from_list(releases, cur):
data = converters.db_to_release(
dict(zip(db.release_get_cols, release))
)
yield data if data['target_type'] else None
@timed
@db_transaction()
def release_get_random(self, db=None, cur=None):
return db.release_get_random(cur)
@timed
@process_metrics
@db_transaction()
def snapshot_add(
self, snapshots: Iterable[Snapshot], db=None, cur=None) -> Dict:
created_temp_table = False
count = 0
for snapshot in snapshots:
if not db.snapshot_exists(snapshot.id, cur):
if not created_temp_table:
db.mktemp_snapshot_branch(cur)
created_temp_table = True
try:
db.copy_to(
(
{
'name': name,
'target': info.target if info else None,
'target_type': (info.target_type.value
if info else None),
}
for name, info in snapshot.branches.items()
),
'tmp_snapshot_branch',
['name', 'target', 'target_type'],
cur,
)
except VALIDATION_EXCEPTIONS + (KeyError,) as e:
raise StorageArgumentException(*e.args)
self.journal_writer.snapshot_add(snapshot)
db.snapshot_add(snapshot.id, cur)
count += 1
return {'snapshot:add': count}
@timed
@db_transaction_generator()
def snapshot_missing(self, snapshots, db=None, cur=None):
for obj in db.snapshot_missing_from_list(snapshots, cur):
yield obj[0]
@timed
@db_transaction(statement_timeout=2000)
def snapshot_get(self, snapshot_id, db=None, cur=None):
return self.snapshot_get_branches(snapshot_id, db=db, cur=cur)
@timed
@db_transaction(statement_timeout=2000)
def snapshot_get_by_origin_visit(self, origin, visit, db=None, cur=None):
snapshot_id = db.snapshot_get_by_origin_visit(origin, visit, cur)
if snapshot_id:
return self.snapshot_get(snapshot_id, db=db, cur=cur)
return None
@timed
@db_transaction(statement_timeout=4000)
def snapshot_get_latest(self, origin, allowed_statuses=None, db=None,
cur=None):
if isinstance(origin, int):
origin = self.origin_get({'id': origin}, db=db, cur=cur)
if not origin:
return
origin = origin['url']
origin_visit = self.origin_visit_get_latest(
origin, allowed_statuses=allowed_statuses, require_snapshot=True,
db=db, cur=cur)
if origin_visit and origin_visit['snapshot']:
snapshot = self.snapshot_get(
origin_visit['snapshot'], db=db, cur=cur)
if not snapshot:
raise StorageArgumentException(
'last origin visit references an unknown snapshot')
return snapshot
@timed
@db_transaction(statement_timeout=2000)
def snapshot_count_branches(self, snapshot_id, db=None, cur=None):
return dict([bc for bc in
db.snapshot_count_branches(snapshot_id, cur)])
@timed
@db_transaction(statement_timeout=2000)
def snapshot_get_branches(self, snapshot_id, branches_from=b'',
branches_count=1000, target_types=None,
db=None, cur=None):
if snapshot_id == EMPTY_SNAPSHOT_ID:
return {
'id': snapshot_id,
'branches': {},
'next_branch': None,
}
branches = {}
next_branch = None
fetched_branches = list(db.snapshot_get_by_id(
snapshot_id, branches_from=branches_from,
branches_count=branches_count+1, target_types=target_types,
cur=cur,
))
for branch in fetched_branches[:branches_count]:
branch = dict(zip(db.snapshot_get_cols, branch))
del branch['snapshot_id']
name = branch.pop('name')
if branch == {'target': None, 'target_type': None}:
branch = None
branches[name] = branch
if len(fetched_branches) > branches_count:
branch = dict(zip(db.snapshot_get_cols, fetched_branches[-1]))
next_branch = branch['name']
if branches:
return {
'id': snapshot_id,
'branches': branches,
'next_branch': next_branch,
}
return None
@timed
@db_transaction()
def snapshot_get_random(self, db=None, cur=None):
return db.snapshot_get_random(cur)
@timed
@db_transaction()
def origin_visit_add(
self, origin_url: str, date: Union[str, datetime.datetime],
type: str, db=None, cur=None) -> OriginVisit:
if isinstance(date, str):
# FIXME: Converge on iso8601 at some point
date = dateutil.parser.parse(date)
elif not isinstance(date, datetime.datetime):
raise StorageArgumentException(
'Date must be a datetime or a string')
origin = self.origin_get({'url': origin_url})
if not origin: # Cannot add a visit without an origin
raise StorageArgumentException(
'Unknown origin %s', origin_url)
with convert_validation_exceptions():
visit_id = db.origin_visit_add(origin_url, date, type, cur=cur)
# We can write to the journal only after inserting to the
# DB, because we want the id of the visit
visit = OriginVisit.from_dict({
'origin': origin_url,
'date': date,
'type': type,
'visit': visit_id,
'status': 'ongoing',
'metadata': None,
'snapshot': None
})
self.journal_writer.origin_visit_add(visit)
send_metric('origin_visit:add', count=1, method_name='origin_visit')
return visit
@timed
@db_transaction()
def origin_visit_update(self, origin: str, visit_id: int,
status: Optional[str] = None,
metadata: Optional[Dict] = None,
snapshot: Optional[bytes] = None,
db=None, cur=None):
if not isinstance(origin, str):
raise StorageArgumentException(
'origin must be a string, not %r' % (origin,))
origin_url = origin
visit = db.origin_visit_get(origin_url, visit_id, cur=cur)
if not visit:
raise StorageArgumentException('Invalid visit_id for this origin.')
visit = dict(zip(db.origin_visit_get_cols, visit))
updates: Dict[str, Any] = {}
if status and status != visit['status']:
updates['status'] = status
if metadata and metadata != visit['metadata']:
updates['metadata'] = metadata
if snapshot and snapshot != visit['snapshot']:
updates['snapshot'] = snapshot
if updates:
updated_visit = {**visit, **updates}
self.journal_writer.origin_visit_update(updated_visit)
with convert_validation_exceptions():
db.origin_visit_update(origin_url, visit_id, updates, cur)
@timed
@db_transaction()
def origin_visit_upsert(self, visits: Iterable[OriginVisit],
db=None, cur=None) -> None:
self.journal_writer.origin_visit_upsert(visits)
for visit in visits:
# TODO: upsert them all in a single query
db.origin_visit_upsert(visit, cur=cur)
@timed
@db_transaction_generator(statement_timeout=500)
def origin_visit_get(self, origin, last_visit=None, limit=None, db=None,
cur=None):
for line in db.origin_visit_get_all(
origin, last_visit=last_visit, limit=limit, cur=cur):
data = dict(zip(db.origin_visit_get_cols, line))
yield data
@timed
@db_transaction(statement_timeout=500)
def origin_visit_find_by_date(self, origin, visit_date, db=None, cur=None):
line = db.origin_visit_find_by_date(origin, visit_date, cur=cur)
if line:
return dict(zip(db.origin_visit_get_cols, line))
@timed
@db_transaction(statement_timeout=500)
def origin_visit_get_by(self, origin, visit, db=None, cur=None):
ori_visit = db.origin_visit_get(origin, visit, cur)
if not ori_visit:
return None
return dict(zip(db.origin_visit_get_cols, ori_visit))
@timed
@db_transaction(statement_timeout=4000)
def origin_visit_get_latest(
self, origin, allowed_statuses=None, require_snapshot=False,
db=None, cur=None):
origin_visit = db.origin_visit_get_latest(
origin, allowed_statuses=allowed_statuses,
require_snapshot=require_snapshot, cur=cur)
if origin_visit:
return dict(zip(db.origin_visit_get_cols, origin_visit))
@timed
@db_transaction()
def origin_visit_get_random(
self, type: str, db=None, cur=None) -> Optional[Dict[str, Any]]:
result = db.origin_visit_get_random(type, cur)
if result:
return dict(zip(db.origin_visit_get_cols, result))
else:
return None
@timed
@db_transaction(statement_timeout=2000)
def object_find_by_sha1_git(self, ids, db=None, cur=None):
ret = {id: [] for id in ids}
for retval in db.object_find_by_sha1_git(ids, cur=cur):
if retval[1]:
ret[retval[0]].append(dict(zip(db.object_find_by_sha1_git_cols,
retval)))
return ret
@timed
@db_transaction(statement_timeout=500)
def origin_get(self, origins, db=None, cur=None):
if isinstance(origins, dict):
# Old API
return_single = True
origins = [origins]
elif len(origins) == 0:
return []
else:
return_single = False
origin_urls = [origin['url'] for origin in origins]
results = db.origin_get_by_url(origin_urls, cur)
results = [dict(zip(db.origin_cols, result))
for result in results]
if return_single:
assert len(results) == 1
if results[0]['url'] is not None:
return results[0]
else:
return None
else:
return [None if res['url'] is None else res for res in results]
@timed
@db_transaction_generator(statement_timeout=500)
def origin_get_by_sha1(self, sha1s, db=None, cur=None):
for line in db.origin_get_by_sha1(sha1s, cur):
if line[0] is not None:
yield dict(zip(db.origin_cols, line))
else:
yield None
@timed
@db_transaction_generator()
def origin_get_range(self, origin_from=1, origin_count=100,
db=None, cur=None):
for origin in db.origin_get_range(origin_from, origin_count, cur):
yield dict(zip(db.origin_get_range_cols, origin))
@timed
@db_transaction()
def origin_list(self, page_token: Optional[str] = None, limit: int = 100,
*, db=None, cur=None) -> dict:
page_token = page_token or '0'
if not isinstance(page_token, str):
raise StorageArgumentException('page_token must be a string.')
origin_from = int(page_token)
result: Dict[str, Any] = {
'origins': [
dict(zip(db.origin_get_range_cols, origin))
for origin in db.origin_get_range(origin_from, limit, cur)
],
}
assert len(result['origins']) <= limit
if len(result['origins']) == limit:
result['next_page_token'] = str(result['origins'][limit-1]['id']+1)
for origin in result['origins']:
del origin['id']
return result
@timed
@db_transaction_generator()
def origin_search(self, url_pattern, offset=0, limit=50,
regexp=False, with_visit=False, db=None, cur=None):
for origin in db.origin_search(url_pattern, offset, limit,
regexp, with_visit, cur):
yield dict(zip(db.origin_cols, origin))
@timed
@db_transaction()
def origin_count(self, url_pattern, regexp=False,
with_visit=False, db=None, cur=None):
return db.origin_count(url_pattern, regexp, with_visit, cur)
@timed
@db_transaction()
def origin_add(
self, origins: Iterable[Origin], db=None, cur=None) -> List[Dict]:
origins = list(origins)
for origin in origins:
self.origin_add_one(origin, db=db, cur=cur)
send_metric('origin:add', count=len(origins), method_name='origin_add')
return [o.to_dict() for o in origins]
@timed
@db_transaction()
def origin_add_one(self, origin: Origin, db=None, cur=None) -> str:
origin_row = list(db.origin_get_by_url([origin.url], cur))[0]
origin_url = dict(zip(db.origin_cols, origin_row))['url']
if origin_url:
return origin_url
self.journal_writer.origin_add_one(origin)
origins = db.origin_add(origin.url, cur)
send_metric('origin:add', count=len(origins), method_name='origin_add')
return origins
@db_transaction(statement_timeout=500)
def stat_counters(self, db=None, cur=None):
return {k: v for (k, v) in db.stat_counters()}
@db_transaction()
def refresh_stat_counters(self, db=None, cur=None):
keys = [
'content',
'directory',
'directory_entry_dir',
'directory_entry_file',
'directory_entry_rev',
'origin',
'origin_visit',
'person',
'release',
'revision',
'revision_history',
'skipped_content',
'snapshot']
for key in keys:
cur.execute('select * from swh_update_counter(%s)', (key,))
@timed
@db_transaction()
def origin_metadata_add(self, origin_url, ts, provider, tool, metadata,
db=None, cur=None):
if isinstance(ts, str):
ts = dateutil.parser.parse(ts)
db.origin_metadata_add(origin_url, ts, provider, tool,
metadata, cur)
send_metric(
'origin_metadata:add', count=1, method_name='origin_metadata_add')
@timed
@db_transaction_generator(statement_timeout=500)
def origin_metadata_get_by(self, origin_url, provider_type=None, db=None,
cur=None):
for line in db.origin_metadata_get_by(origin_url, provider_type, cur):
yield dict(zip(db.origin_metadata_get_cols, line))
@timed
@db_transaction()
def tool_add(self, tools, db=None, cur=None):
db.mktemp_tool(cur)
with convert_validation_exceptions():
db.copy_to(tools, 'tmp_tool',
['name', 'version', 'configuration'],
cur)
tools = db.tool_add_from_temp(cur)
results = [dict(zip(db.tool_cols, line)) for line in tools]
send_metric('tool:add', count=len(results), method_name='tool_add')
return results
@timed
@db_transaction(statement_timeout=500)
def tool_get(self, tool, db=None, cur=None):
tool_conf = tool['configuration']
if isinstance(tool_conf, dict):
tool_conf = json.dumps(tool_conf)
idx = db.tool_get(tool['name'],
tool['version'],
tool_conf)
if not idx:
return None
return dict(zip(db.tool_cols, idx))
@timed
@db_transaction()
def metadata_provider_add(self, provider_name, provider_type, provider_url,
metadata, db=None, cur=None):
result = db.metadata_provider_add(provider_name, provider_type,
provider_url, metadata, cur)
send_metric(
'metadata_provider:add', count=1, method_name='metadata_provider')
return result
@timed
@db_transaction()
def metadata_provider_get(self, provider_id, db=None, cur=None):
result = db.metadata_provider_get(provider_id)
if not result:
return None
return dict(zip(db.metadata_provider_cols, result))
@timed
@db_transaction()
def metadata_provider_get_by(self, provider, db=None, cur=None):
result = db.metadata_provider_get_by(provider['provider_name'],
provider['provider_url'])
if not result:
return None
return dict(zip(db.metadata_provider_cols, result))
@timed
def diff_directories(self, from_dir, to_dir, track_renaming=False):
return diff.diff_directories(self, from_dir, to_dir, track_renaming)
@timed
def diff_revisions(self, from_rev, to_rev, track_renaming=False):
return diff.diff_revisions(self, from_rev, to_rev, track_renaming)
@timed
def diff_revision(self, revision, track_renaming=False):
return diff.diff_revision(self, revision, track_renaming)