132 lines
4.9 KiB
Python

# Copyright 2021 Acryl Data, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import datetime
import json
from time import time
from typing import Dict
import click
from datahub_actions.action.action_stats import ActionStats
from datahub_actions.pipeline.pipeline_util import get_transformer_name
from datahub_actions.transform.transformer import Transformer
from datahub_actions.transform.transformer_stats import TransformerStats
# Class that stores running statistics for a single Actions Pipeline.
class PipelineStats:
# Timestamp in milliseconds when the pipeline was launched.
started_at: int
# Number of events that failed processing even after retry.
failed_event_count: int = 0
# Number of events that failed when "ack" was invoked.
failed_ack_count: int = 0
# Top-level number of succeeded processing executions.
success_count: int = 0
# Transformer Stats
transformer_stats: Dict[str, TransformerStats] = {}
# Action Stats
action_stats: ActionStats = ActionStats()
def mark_start(self) -> None:
self.started_at = int(time() * 1000)
def increment_failed_event_count(self) -> None:
self.failed_event_count = self.failed_event_count + 1
def increment_failed_ack_count(self) -> None:
self.failed_ack_count = self.failed_ack_count + 1
def increment_success_count(self) -> None:
self.success_count = self.success_count + 1
def increment_transformer_exception_count(self, transformer: Transformer) -> None:
transformer_name = get_transformer_name(transformer)
if transformer_name not in self.transformer_stats:
self.transformer_stats[transformer_name] = TransformerStats()
self.transformer_stats[transformer_name].increment_exception_count()
def increment_transformer_processed_count(self, transformer: Transformer) -> None:
transformer_name = get_transformer_name(transformer)
if transformer_name not in self.transformer_stats:
self.transformer_stats[transformer_name] = TransformerStats()
self.transformer_stats[transformer_name].increment_processed_count()
def increment_transformer_filtered_count(self, transformer: Transformer) -> None:
transformer_name = get_transformer_name(transformer)
if transformer_name not in self.transformer_stats:
self.transformer_stats[transformer_name] = TransformerStats()
self.transformer_stats[transformer_name].increment_filtered_count()
def increment_action_exception_count(self) -> None:
self.action_stats.increment_exception_count()
def increment_action_success_count(self) -> None:
self.action_stats.increment_success_count()
def get_started_at(self) -> int:
return self.started_at
def get_failed_event_count(self) -> int:
return self.failed_event_count
def get_failed_ack_count(self) -> int:
return self.failed_ack_count
def get_success_count(self) -> int:
return self.success_count
def get_transformer_stats(self, transformer: Transformer) -> TransformerStats:
transformer_name = get_transformer_name(transformer)
if transformer_name not in self.transformer_stats:
self.transformer_stats[transformer_name] = TransformerStats()
return self.transformer_stats[transformer_name]
def get_action_stats(self) -> ActionStats:
return self.action_stats
def as_string(self) -> str:
return json.dumps(self.__dict__, indent=4, sort_keys=True)
def pretty_print_summary(self, name: str) -> None:
curr_time = int(time() * 1000)
click.echo()
click.secho(f"Pipeline Report for {name}", bold=True, fg="blue")
click.echo()
click.echo(
f"Started at: {datetime.datetime.fromtimestamp(self.started_at / 1000.0)} (Local Time)"
)
click.echo(f"Duration: {(curr_time - self.started_at) / 1000.0}s")
click.echo()
click.secho("Pipeline statistics", bold=True)
click.echo()
click.echo(self.as_string())
click.echo()
if len(self.transformer_stats.keys()) > 0:
click.secho("Transformer statistics", bold=True)
for key in self.transformer_stats:
click.echo()
click.echo(f"{key}: {self.transformer_stats[key].as_string()}")
click.echo()
click.secho("Action statistics", bold=True)
click.echo()
click.echo(self.action_stats.as_string())
click.echo()