56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
# Copyright (c) 2019 Red Hat, Inc.
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#
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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from tobiko.docker import _exception
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from tobiko.shell import sh
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def discover_docker_urls(**execute_params):
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result = sh.execute('ps aux | grep dockerd', stdin=False, stdout=True,
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stderr=True, expect_exit_status=None, **execute_params)
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if result.exit_status or not result.stdout:
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raise _exception.DockerUrlNotFoundError(details=result.stderr)
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urls = []
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for line in result.stdout.splitlines():
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fields = line.strip().split()
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if fields:
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offset = 0
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while True:
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try:
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offset = fields.index('-H', offset)
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url = fields[offset + 1]
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except (ValueError, IndexError):
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break
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else:
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urls.append(url)
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offset += 2
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if not urls:
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raise _exception.DockerUrlNotFoundError(details='\n' + result.stdout)
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return urls
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def is_docker_running(ssh_client=None, **execute_params):
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try:
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discover_docker_urls(ssh_client=ssh_client, **execute_params)
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except _exception.DockerUrlNotFoundError:
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return False
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else:
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return True
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