def authenticated_api(host_uri: str,
token: Optional[str] = None) -> DefaultApi:
"""
Note: if this helper is called, it's implied that an actual API connection
is needed, so it does try to connect and verify credentials.
"""
conf = Configuration()
conf.host = host_uri
if not token:
token = os.environ["FATCAT_API_AUTH_TOKEN"]
if not token:
sys.stderr.write(
"This client requires a fatcat API token (eg, in env var FATCAT_API_AUTH_TOKEN)\n"
)
sys.exit(-1)
conf.api_key["Authorization"] = token
conf.api_key_prefix["Authorization"] = "Bearer"
api = DefaultApi(ApiClient(conf))
# verify up front that auth is working
api.auth_check()
return api
def public_api(host_uri: str) -> DefaultApi:
"""
Note: unlike the authenticated variant, this helper might get called even
if the API isn't going to be used, so it's important that it doesn't try to
actually connect to the API host or something.
"""
conf = Configuration()
conf.host = host_uri
return DefaultApi(ApiClient(conf))
def entity_from_json(json_str, entity_type, api_client=None):
"""
Hack to take advantage of the code-generated deserialization code
See not on `entity_to_dict()` about api_client argument.
"""
if not api_client:
api_client = ApiClient()
thing = collections.namedtuple('Thing', ['data'])
thing.data = json_str
return api_client.deserialize(thing, entity_type)
def entity_to_dict(entity: Any, api_client: Optional[ApiClient] = None) -> Dict[str, Any]:
"""
Hack to take advantage of the code-generated serialization code.
Initializing/destroying ApiClient objects is surprisingly expensive
(because it involves a threadpool), so we allow passing an existing
instance. If you already have a full-on API connection `api`, you can
access the ApiClient object as `api.api_client`. This is such a speed-up
that this argument may become mandatory.
"""
if not api_client:
api_client = ApiClient()
return api_client.sanitize_for_serialization(entity)
def entity_from_json(
json_str: str, entity_type: Any, api_client: Optional[ApiClient] = None
) -> Any:
"""
Hack to take advantage of the code-generated deserialization code
See note on `entity_to_dict()` about api_client argument.
"""
if not api_client:
api_client = ApiClient()
thing = collections.namedtuple("thing", ["data"])
thing.data = json_str
return api_client.deserialize(thing, entity_type)
def __init__(self, api: ApiClient, entity_type: Any, **kwargs) -> None:
eg_extra = kwargs.get("editgroup_extra", dict())
eg_extra["git_rev"] = eg_extra.get(
"git_rev",
subprocess.check_output(["git", "describe",
"--always"]).strip()).decode("utf-8")
eg_extra["agent"] = eg_extra.get("agent", "fatcat_tools.EntityCleaner")
self.api = api
self.entity_type = entity_type
self.dry_run_mode = kwargs.get("dry_run_mode", True)
self.edit_batch_size = kwargs.get("edit_batch_size", 50)
self.editgroup_description = kwargs.get("editgroup_description",
"Generic Entity Cleaner Bot")
self.editgroup_extra = eg_extra
self.reset()
self.ac = ApiClient()
if self.dry_run_mode:
print("Running in dry-run mode!")
def __init__(self, api, entity_type, **kwargs):
eg_extra = kwargs.get('editgroup_extra', dict())
eg_extra['git_rev'] = eg_extra.get(
'git_rev',
subprocess.check_output(["git", "describe",
"--always"]).strip()).decode('utf-8')
eg_extra['agent'] = eg_extra.get('agent', 'fatcat_tools.EntityCleaner')
self.api = api
self.entity_type = entity_type
self.dry_run_mode = kwargs.get('dry_run_mode', True)
self.edit_batch_size = kwargs.get('edit_batch_size', 50)
self.editgroup_description = kwargs.get('editgroup_description',
"Generic Entity Cleaner Bot")
self.editgroup_extra = eg_extra
self.reset()
self.ac = ApiClient()
if self.dry_run_mode:
print("Running in dry-run mode!")
def run(self):
ac = ApiClient()
def fail_fast(err, partitions):
if err is not None:
print("Kafka consumer commit error: {}".format(err))
print("Bailing out...")
# TODO: should it be sys.exit(-1)?
raise KafkaException(err)
for p in partitions:
# check for partition-specific commit errors
if p.error:
print("Kafka consumer commit error: {}".format(p.error))
print("Bailing out...")
# TODO: should it be sys.exit(-1)?
raise KafkaException(err)
#print("Kafka consumer commit successful")
pass
def on_rebalance(consumer, partitions):
for p in partitions:
if p.error:
raise KafkaException(p.error)
print("Kafka partitions rebalanced: {} / {}".format(
consumer, partitions))
consumer_conf = self.kafka_config.copy()
consumer_conf.update({
'group.id': self.consumer_group,
'on_commit': fail_fast,
# messages don't have offset marked as stored until pushed to
# elastic, but we do auto-commit stored offsets to broker
'enable.auto.commit': True,
'enable.auto.offset.store': False,
# user code timeout; if no poll after this long, assume user code
# hung and rebalance (default: 5min)
'max.poll.interval.ms': 60000,
'default.topic.config': {
'auto.offset.reset': 'latest',
},
})
consumer = Consumer(consumer_conf)
consumer.subscribe(
[self.consume_topic],
on_assign=on_rebalance,
on_revoke=on_rebalance,
)
while True:
batch = consumer.consume(num_messages=self.batch_size,
timeout=self.poll_interval)
if not batch:
if not consumer.assignment():
print("... no Kafka consumer partitions assigned yet")
print("... nothing new from kafka, try again (interval: {}".
format(self.poll_interval))
continue
print("... got {} kafka messages".format(len(batch)))
# first check errors on entire batch...
for msg in batch:
if msg.error():
raise KafkaException(msg.error())
# ... then process
bulk_actions = []
for msg in batch:
json_str = msg.value().decode('utf-8')
# HACK: work around a bug where container entities got published to
# release_v03 topic
if self.elasticsearch_document_name == "release":
entity_dict = json.loads(json_str)
if entity_dict.get(
'name') and not entity_dict.get('title'):
continue
entity = entity_from_json(json_str,
self.entity_type,
api_client=ac)
# TODO: handle deletions from index
bulk_actions.append(
json.dumps({
"index": {
"_id": entity.ident,
},
}))
bulk_actions.append(json.dumps(self.transform_func(entity)))
print("Upserting, eg, {} (of {} releases in elasticsearch)".format(
entity.ident, len(batch)))
elasticsearch_endpoint = "{}/{}/{}/_bulk".format(
self.elasticsearch_backend, self.elasticsearch_index,
self.elasticsearch_document_name)
resp = requests.post(
elasticsearch_endpoint,
headers={"Content-Type": "application/x-ndjson"},
data="\n".join(bulk_actions) + "\n")
resp.raise_for_status()
if resp.json()['errors']:
desc = "Elasticsearch errors from post to {}:".format(
elasticsearch_endpoint)
print(desc)
print(resp.content)
raise Exception(desc)
for msg in batch:
# offsets are *committed* (to brokers) automatically, but need
# to be marked as processed here
consumer.store_offsets(message=msg)
import collections
import json
from typing import Any, Optional
from fatcat_openapi_client import ApiClient
_global_serde_api_client = ApiClient()
def entity_to_dict(entity: Any,
api_client: Optional[ApiClient] = None) -> dict:
"""
Hack to take advantage of the code-generated serialization code.
Initializing/destroying ApiClient objects is surprisingly expensive
(because it involves a threadpool), so we allow passing an existing
instance. If you already have a full-on API connection `api`, you can
access the ApiClient object as `api.api_client`. This is such a speed-up
that this argument may become mandatory.
"""
if not api_client:
api_client = _global_serde_api_client
return api_client.sanitize_for_serialization(entity)
def entity_from_json(json_str: str,
entity_type: Any,
api_client: Optional[ApiClient] = None) -> Any:
"""
Hack to take advantage of the code-generated deserialization code
def run(self) -> None:
ac = ApiClient()
api = public_api(self.api_host)
# only used by container indexing query_stats code path
es_client = elasticsearch.Elasticsearch(self.elasticsearch_backend)
def fail_fast(err: Any, partitions: List[Any]) -> None:
if err is not None:
print("Kafka consumer commit error: {}".format(err), file=sys.stderr)
print("Bailing out...", file=sys.stderr)
# TODO: should it be sys.exit(-1)?
raise KafkaException(err)
for p in partitions:
# check for partition-specific commit errors
if p.error:
print("Kafka consumer commit error: {}".format(p.error), file=sys.stderr)
print("Bailing out...", file=sys.stderr)
# TODO: should it be sys.exit(-1)?
raise KafkaException(p.error)
# print("Kafka consumer commit successful")
pass
def on_rebalance(consumer: Consumer, partitions: List[Any]) -> None:
for p in partitions:
if p.error:
raise KafkaException(p.error)
print(
"Kafka partitions rebalanced: {} / {}".format(consumer, partitions),
file=sys.stderr,
)
consumer_conf = self.kafka_config.copy()
consumer_conf.update(
{
"group.id": self.consumer_group,
"on_commit": fail_fast,
# messages don't have offset marked as stored until pushed to
# elastic, but we do auto-commit stored offsets to broker
"enable.auto.commit": True,
"enable.auto.offset.store": False,
# user code timeout; if no poll after this long, assume user code
# hung and rebalance (default: 5min)
"max.poll.interval.ms": 60000,
"default.topic.config": {
"auto.offset.reset": "latest",
},
}
)
consumer = Consumer(consumer_conf)
consumer.subscribe(
[self.consume_topic],
on_assign=on_rebalance,
on_revoke=on_rebalance,
)
while True:
batch = consumer.consume(num_messages=self.batch_size, timeout=self.poll_interval)
if not batch:
if not consumer.assignment():
print("... no Kafka consumer partitions assigned yet", file=sys.stderr)
print(
"... nothing new from kafka, try again (interval: {}".format(
self.poll_interval
),
file=sys.stderr,
)
continue
print("... got {} kafka messages".format(len(batch)), file=sys.stderr)
# first check errors on entire batch...
for msg in batch:
if msg.error():
raise KafkaException(msg.error())
# ... then process
bulk_actions = []
for msg in batch:
json_str = msg.value().decode("utf-8")
entity = entity_from_json(json_str, self.entity_type, api_client=ac)
assert isinstance(entity, self.entity_type)
if self.entity_type == ChangelogEntry:
key = entity.index
# might need to fetch from API
if not (
entity.editgroup # pylint: disable=no-member # (TODO)
and entity.editgroup.editor # pylint: disable=no-member # (TODO)
):
entity = api.get_changelog_entry(entity.index)
else:
key = entity.ident # pylint: disable=no-member # (TODO)
if self.entity_type != ChangelogEntry and entity.state == "wip":
print(
f"WARNING: skipping state=wip entity: {self.entity_type.__name__} {entity.ident}",
file=sys.stderr,
)
continue
if self.entity_type == ContainerEntity and self.query_stats:
stats = query_es_container_stats(
entity.ident,
es_client=es_client,
es_index=self.elasticsearch_release_index,
merge_shadows=True,
)
doc_dict = container_to_elasticsearch(entity, stats=stats)
else:
doc_dict = self.transform_func(entity)
# TODO: handle deletions from index
bulk_actions.append(
json.dumps(
{
"index": {
"_id": key,
},
}
)
)
bulk_actions.append(json.dumps(doc_dict))
# if only WIP entities, then skip
if not bulk_actions:
for msg in batch:
consumer.store_offsets(message=msg)
continue
print(
"Upserting, eg, {} (of {} {} in elasticsearch)".format(
key, len(batch), self.entity_type.__name__
),
file=sys.stderr,
)
elasticsearch_endpoint = "{}/{}/_bulk".format(
self.elasticsearch_backend, self.elasticsearch_index
)
resp = requests.post(
elasticsearch_endpoint,
headers={"Content-Type": "application/x-ndjson"},
data="\n".join(bulk_actions) + "\n",
)
resp.raise_for_status()
if resp.json()["errors"]:
desc = "Elasticsearch errors from post to {}:".format(elasticsearch_endpoint)
print(desc, file=sys.stderr)
print(resp.content, file=sys.stderr)
raise Exception(desc)
for msg in batch:
# offsets are *committed* (to brokers) automatically, but need
# to be marked as processed here
consumer.store_offsets(message=msg)