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#!/usr/bin/env python3
# Copyright (C) 2019 Lars Wirzenius
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import copy
import json
import logging
import os
import sys
import time
import requests
MAX_SNIPPETS = 1000
def generate_snippet_texts(n):
for i in range(n):
yield 'log line {}\n'.format(i)
def full_log(n):
return ''.join(generate_snippet_texts(n))
def store_object(url, token, obj):
url = '{}/res'.format(url)
headers = {
'Authorization': 'Bearer {}'.format(token),
'Content-Type': 'application/json',
}
r = requests.post(url, headers=headers, data=json.dumps(obj))
assert r.ok
def get_object(url, token, rid):
url = '{}/res'.format(url)
headers = {
'Authorization': 'Bearer {}'.format(token),
'Content-Type': 'application/json',
'Muck-Id': rid,
}
r = requests.get(url, headers=headers)
assert r.ok
return r.json()
def search_objects_of_type(url, token, type_name):
search = '{}/search'.format(url)
body = {
'cond': [
{
"where": "data",
"op": "==",
"field": "_type",
"pattern": type_name,
},
],
}
headers = {
'Authorization': 'Bearer {}'.format(token),
'Content-Type': 'application/json',
}
r = requests.get(search, headers=headers, data=json.dumps(body))
assert r.ok
obj = r.json()
return obj['resources']
def delete_object(url, token, rid):
url = '{}/res'.format(url)
headers = {
'Authorization': 'Bearer {}'.format(token),
'Muck-Id': rid,
}
r = requests.delete(url, headers=headers)
assert r.ok
def time_to_combine(seq):
# seq numbers start at 0
num = seq + 1
return (num % MAX_SNIPPETS) == 0
def combine_snippets(url, token):
snippets = []
first_seq = None
rids = search_objects_of_type(url, token, 'snippet')
if not rids:
return
first = get_object(url, token, rids[0])
combined = {
'_type': 'combined-snippet',
'seq': first['seq'],
'text': assemble_from_objects(url, token, rids),
}
store_object(url, token, combined)
for rid in rids:
delete_object(url, token, rid)
def create_snippets(url, token, n):
for i, snippet in enumerate(generate_snippet_texts(n)):
obj = {
'_type': 'snippet',
'seq': i,
'text': snippet,
}
store_object(url, token, obj)
if time_to_combine(i):
combine_snippets(url, token)
def assemble_from_objects(url, token, ids):
objs = [get_object(url, token, rid) for rid in ids]
objs.sort(key=lambda o: o['seq'])
return ''.join(o['text'] for o in objs)
def get_full_log(url, token, combined_ids, snippet_ids):
combined = assemble_from_objects(url, token, combined_ids)
snippets = assemble_from_objects(url, token, snippet_ids)
return combined + snippets
def measure(func):
started = time.time()
ret = func()
now = time.time()
return now - started, ret
url = sys.argv[1]
token = sys.argv[2]
N = int(sys.argv[3])
print('creating snippets')
creation_secs, _ = measure(lambda: create_snippets(url, token, N))
print('getting list of combined snippets')
get_combined_secs, combined_ids = measure(
lambda: search_objects_of_type(url, token, 'combined-snippet'))
print('combined ids', len(combined_ids))
print('getting list of snippets')
get_snippets_secs, snippet_ids = measure(
lambda: search_objects_of_type(url, token, 'snippet'))
print('snippet ids', len(snippet_ids))
print('reconstructing full log')
get_log_secs, log = measure(
lambda: get_full_log(url, token, combined_ids, snippet_ids))
expected = full_log(N)
if expected != log:
print('ERROR: actual log differs from expected')
print('actual:')
print(repr(log))
sys.exit(1)
print('OK')
print('%.0f' % creation_secs, 'creation time')
print('%.0f' % get_combined_secs, 'list combined snippets')
print('%.0f' % get_snippets_secs, 'list snippets')
print('%.0f' % get_log_secs, 'assemble log')
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