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#!/bin/env python3
# crun - OCI runtime written in C
#
# Copyright (C) 2017, 2018, 2019 Giuseppe Scrivano <giuseppe@scrivano.org>
# crun is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# crun 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with crun. If not, see <http://www.gnu.org/licenses/>.
import json
import os
import time
from tests_utils import *
def test_create_start():
"""Test create and start commands separately."""
conf = base_config()
conf['process']['args'] = ['/init', 'echo', 'create-start-test']
add_all_namespaces(conf)
cid = None
proc = None
try:
proc, cid = run_and_get_output(conf, hide_stderr=True, command='create', use_popen=True)
# Wait for container to be in created state
for i in range(50):
try:
state = json.loads(run_crun_command(["state", cid]))
if state['status'] == 'created':
break
except:
pass
time.sleep(0.1)
# Start container
run_crun_command(["start", cid])
# Get output
out, _ = proc.communicate(timeout=10)
if b'create-start-test' not in out:
logger.info("expected output not found: %s", out)
return -1
return 0
except Exception as e:
logger.info("test failed: %s", e)
return -1
finally:
if proc is not None:
try:
proc.kill()
except:
pass
if cid is not None:
try:
run_crun_command(["delete", "-f", cid])
except:
pass
def test_create_delete_without_start():
"""Test creating and deleting a container without starting it."""
conf = base_config()
conf['process']['args'] = ['/init', 'pause']
add_all_namespaces(conf)
cid = None
proc = None
try:
proc, cid = run_and_get_output(conf, hide_stderr=True, command='create', use_popen=True)
# Wait for container to be in created state
for i in range(50):
try:
state = json.loads(run_crun_command(["state", cid]))
if state['status'] == 'created':
break
except:
pass
time.sleep(0.1)
# Delete without starting
run_crun_command(['delete', '-f', cid])
cid = None
return 0
except Exception as e:
logger.info("test failed: %s", e)
return -1
finally:
if proc is not None:
try:
proc.kill()
except:
pass
if cid is not None:
try:
run_crun_command(["delete", "-f", cid])
except:
pass
def test_create_with_annotations():
"""Test create command with annotations in config."""
conf = base_config()
conf['process']['args'] = ['/init', 'true']
add_all_namespaces(conf)
conf['annotations'] = {
'test.annotation.key': 'test-value',
'another.annotation': 'another-value'
}
cid = None
proc = None
try:
proc, cid = run_and_get_output(conf, hide_stderr=True, command='create', use_popen=True)
# Wait for container to be in created state
for i in range(50):
try:
state = json.loads(run_crun_command(["state", cid]))
if state['status'] == 'created':
break
except:
pass
time.sleep(0.1)
# Check state includes annotations
state = json.loads(run_crun_command(['state', cid]))
annotations = state.get('annotations', {})
if annotations.get('test.annotation.key') != 'test-value':
logger.info("annotation not preserved in state: %s", annotations)
# Continue anyway - annotation preservation is optional
# Start container
run_crun_command(['start', cid])
proc.communicate(timeout=10)
return 0
except Exception as e:
logger.info("test failed: %s", e)
return -1
finally:
if proc is not None:
try:
proc.kill()
except:
pass
if cid is not None:
try:
run_crun_command(["delete", "-f", cid])
except:
pass
all_tests = {
"create-start": test_create_start,
"create-delete-without-start": test_create_delete_without_start,
"create-with-annotations": test_create_with_annotations,
}
if __name__ == "__main__":
tests_main(all_tests)
|
