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from __future__ import print_function
from lnt.util import NTEmailReport
from contextlib import closing
from lnt.util import logger
import collections
import datetime
import lnt.formats
import lnt.server.reporting.analysis
import lnt.testing
import os
import tempfile
import time
from lnt.server.db import fieldchange
def import_and_report(config, db_name, db, session, file, format, ts_name,
show_sample_count=False, disable_email=False,
disable_report=False, select_machine=None,
merge_run=None):
"""
import_and_report(config, db_name, db, session, file, format, ts_name,
[show_sample_count], [disable_email],
[disable_report], [select_machine], [merge_run])
-> ... object ...
Import a test data file into an LNT server and generate a test report. On
success, run is the newly imported run.
The result object is a dictionary containing information on the imported
run and its comparison to the previous run.
"""
result = {
'success': False,
'error': None,
'import_file': file,
}
if select_machine is None:
select_machine = 'match'
if merge_run is None:
merge_run = 'reject'
if select_machine not in ('match', 'update', 'split'):
result['error'] = "select_machine must be 'match', 'update' or 'split'"
return result
ts = db.testsuite.get(ts_name, None)
if ts is None:
result['error'] = "Unknown test suite '%s'!" % ts_name
return result
numMachines = ts.getNumMachines(session)
numRuns = ts.getNumRuns(session)
numTests = ts.getNumTests(session)
# If the database gets fragmented, count(*) in SQLite can get really
# slow!?!
if show_sample_count:
numSamples = ts.getNumSamples(session)
startTime = time.time()
try:
data = lnt.formats.read_any(file, format)
except Exception:
import traceback
result['error'] = "could not parse input format"
result['message'] = traceback.format_exc()
return result
result['load_time'] = time.time() - startTime
# Auto-upgrade the data, if necessary.
try:
data = lnt.testing.upgrade_and_normalize_report(data, ts_name)
except ValueError as e:
import traceback
result['error'] = "Invalid input format: %s" % e
result['message'] = traceback.format_exc()
return result
# Find the database config, if we have a configuration object.
if config:
db_config = config.databases[db_name]
else:
db_config = None
# Find the email address for this machine's results.
toAddress = email_config = None
if db_config and not disable_email:
email_config = db_config.email_config
if email_config.enabled:
# Find the machine name.
machineName = str(data.get('Machine', {}).get('Name'))
toAddress = email_config.get_to_address(machineName)
if toAddress is None:
result['error'] = ("unable to match machine name "
"for test results email address!")
return result
importStartTime = time.time()
try:
data_schema = data.get('schema')
if data_schema is not None and data_schema != ts_name:
result['error'] = ("Importing '%s' data into test suite '%s'" %
(data_schema, ts_name))
return result
run = ts.importDataFromDict(session, data, config=db_config,
select_machine=select_machine,
merge_run=merge_run)
except KeyboardInterrupt:
raise
except Exception as e:
import traceback
result['error'] = "import failure: %s" % e.message
result['message'] = traceback.format_exc()
if isinstance(e, lnt.server.db.testsuitedb.MachineInfoChanged):
result['message'] += \
'\n\nNote: Use --select-machine=update to update ' \
'the existing machine information.\n'
return result
# If the import succeeded, save the import path.
run.imported_from = file
result['import_time'] = time.time() - importStartTime
result['report_to_address'] = toAddress
if config:
report_url = "%s/db_%s/" % (config.zorgURL, db_name)
else:
report_url = "localhost"
if not disable_report:
# This has the side effect of building the run report for
# this result.
NTEmailReport.emailReport(result, session, run, report_url,
email_config, toAddress, True)
result['added_machines'] = ts.getNumMachines(session) - numMachines
result['added_runs'] = ts.getNumRuns(session) - numRuns
result['added_tests'] = ts.getNumTests(session) - numTests
if show_sample_count:
result['added_samples'] = ts.getNumSamples(session) - numSamples
result['committed'] = True
result['run_id'] = run.id
session.commit()
fieldchange.post_submit_tasks(session, ts, run.id)
# Add a handy relative link to the submitted run.
result['result_url'] = "db_{}/v4/{}/{}".format(db_name, ts_name, run.id)
result['report_time'] = time.time() - importStartTime
result['total_time'] = time.time() - startTime
logger.info("Successfully created {}".format(result['result_url']))
# If this database has a shadow import configured, import the run into that
# database as well.
if config and config.databases[db_name].shadow_import:
# Load the shadow database to import into.
db_config = config.databases[db_name]
shadow_name = db_config.shadow_import
with closing(config.get_database(shadow_name)) as shadow_db:
if shadow_db is None:
raise ValueError("invalid configuration, shadow import "
"database %r does not exist" % shadow_name)
# Perform the shadow import.
shadow_session = shadow_db.make_session()
shadow_result = import_and_report(config, shadow_name,
shadow_db, shadow_session, file,
format, ts_name,
show_sample_count, disable_email,
disable_report,
select_machine=select_machine,
merge_run=merge_run)
# Append the shadow result to the result.
result['shadow_result'] = shadow_result
result['success'] = True
return result
def no_submit():
"""Do not submit but create dummy submission report."""
return {
'success': True,
'result_url': None,
'test_results': None,
}
def print_report_result(result, out, err, verbose=True):
"""
print_report_result(result, out, [err], [verbose]) -> None
Print a human readable form of an import result object to the given output
stream. Test results are printed in 'lit' format.
"""
# Print the generic import information.
if 'import_file' in result:
print("Importing %r" % os.path.basename(result['import_file']), file=out)
if result['success']:
print("Import succeeded.", file=out)
print(file=out)
else:
out.flush()
print("Import Failed:", file=err)
print("%s\n" % result['error'], file=err)
message = result.get('message', None)
if message:
print("%s\n" % message, file=err)
print("--------------", file=err)
err.flush()
return
# Print the test results.
test_results = result.get('test_results')
if not test_results:
return
# List the parameter sets, if interesting.
show_pset = len(test_results) > 1
if show_pset:
print("Parameter Sets", file=out)
print("--------------", file=out)
for i, info in enumerate(test_results):
print("P%d: %s" % (i, info['pset']), file=out)
print(file=out)
total_num_tests = sum([len(item['results'])
for item in test_results])
print("--- Tested: %d tests --" % total_num_tests, file=out)
test_index = 0
result_kinds = collections.Counter()
for i, item in enumerate(test_results):
pset_results = item['results']
for name, test_status, perf_status in pset_results:
test_index += 1
# FIXME: Show extended information for performance changes,
# previous samples, standard deviation, all that.
#
# FIXME: Think longer about mapping to test codes.
result_info = None
if test_status == lnt.server.reporting.analysis.REGRESSED:
result_string = 'FAIL'
elif test_status == lnt.server.reporting.analysis.UNCHANGED_FAIL:
result_string = 'FAIL'
elif test_status == lnt.server.reporting.analysis.IMPROVED:
result_string = 'IMPROVED'
result_info = "Test started passing."
elif perf_status is None:
# Missing perf status means test was just added or removed.
result_string = 'PASS'
elif perf_status == lnt.server.reporting.analysis.REGRESSED:
result_string = 'REGRESSED'
result_info = 'Performance regressed.'
elif perf_status == lnt.server.reporting.analysis.IMPROVED:
result_string = 'IMPROVED'
result_info = 'Performance improved.'
else:
result_string = 'PASS'
result_kinds[result_string] += 1
# Ignore passes unless in verbose mode.
if not verbose and result_string == 'PASS':
continue
if show_pset:
name = 'P%d :: %s' % (i, name)
print("%s: %s (%d of %d)" % (result_string, name,
test_index, total_num_tests), file=out)
if result_info:
print("%s TEST '%s' %s" % ('*'*20, name, '*'*20), file=out)
print(result_info, file=out)
print("*" * 20, file=out)
if 'original_run' in result:
print(("This submission is a duplicate of run %d, "
"already in the database.") % result['original_run'], file=out)
print(file=out)
if result['report_to_address']:
print("Report emailed to: %r" % result['report_to_address'], file=out)
print(file=out)
# Print the processing times.
print("Processing Times", file=out)
print("----------------", file=out)
print("Load : %.2fs" % result['load_time'], file=out)
print("Import : %.2fs" % result['import_time'], file=out)
print("Report : %.2fs" % result['report_time'], file=out)
print("Total : %.2fs" % result['total_time'], file=out)
print(file=out)
# Print the added database items.
total_added = (result['added_machines'] + result['added_runs'] +
result['added_tests'] + result.get('added_samples', 0))
if total_added:
print("Imported Data", file=out)
print("-------------", file=out)
if result['added_machines']:
print("Added Machines: %d" % result['added_machines'], file=out)
if result['added_runs']:
print("Added Runs : %d" % result['added_runs'], file=out)
if result['added_tests']:
print("Added Tests : %d" % result['added_tests'], file=out)
if result.get('added_samples', 0):
print("Added Samples : %d" % result['added_samples'], file=out)
print(file=out)
print("Results", file=out)
print("----------------", file=out)
for kind, count in result_kinds.items():
print(kind, ":", count, file=out)
def import_from_string(config, db_name, db, session, ts_name, data,
select_machine=None, merge_run=None):
# Stash a copy of the raw submission.
#
# To keep the temporary directory organized, we keep files in
# subdirectories organized by (database, year-month).
utcnow = datetime.datetime.utcnow()
tmpdir = os.path.join(config.tempDir, db_name,
"%04d-%02d" % (utcnow.year, utcnow.month))
try:
os.makedirs(tmpdir)
except OSError:
pass
# Save the file under a name prefixed with the date, to make it easier
# to use these files in cases we might need them for debugging or data
# recovery.
prefix = utcnow.strftime("data-%Y-%m-%d_%H-%M-%S")
fd, path = tempfile.mkstemp(prefix=prefix, suffix='.json',
dir=str(tmpdir))
os.write(fd, data)
os.close(fd)
# Import the data.
#
# FIXME: Gracefully handle formats failures and DOS attempts. We
# should at least reject overly large inputs.
result = lnt.util.ImportData.import_and_report(
config, db_name, db, session, path, '<auto>', ts_name,
select_machine=select_machine, merge_run=merge_run)
return result
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