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104 lines
3.8 KiB
Python
104 lines
3.8 KiB
Python
# Copyright 2019, David Wilson
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its contributors
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# may be used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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"""
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Stable names for PluginLoader instances across Ansible versions.
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"""
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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import ansible.errors
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import ansible_mitogen.utils
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__all__ = [
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'action_loader',
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'become_loader',
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'connection_loader',
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'module_loader',
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'module_utils_loader',
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'shell_loader',
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'strategy_loader',
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]
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ANSIBLE_VERSION_MIN = (2, 10)
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ANSIBLE_VERSION_MAX = (2, 16)
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NEW_VERSION_MSG = (
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"Your Ansible version (%s) is too recent. The most recent version\n"
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"supported by Mitogen for Ansible is %s.x. Please check the Mitogen\n"
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"release notes to see if a new version is available, otherwise\n"
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"subscribe to the corresponding GitHub issue to be notified when\n"
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"support becomes available.\n"
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"\n"
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" https://mitogen.rtfd.io/en/latest/changelog.html\n"
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" https://github.com/mitogen-hq/mitogen/issues/\n"
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)
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OLD_VERSION_MSG = (
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"Your version of Ansible (%s) is too old. The oldest version supported by "
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"Mitogen for Ansible is %s."
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)
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def assert_supported_release():
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"""
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Throw AnsibleError with a descriptive message in case of being loaded into
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an unsupported Ansible release.
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"""
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v = ansible_mitogen.utils.ansible_version
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if v[:2] < ANSIBLE_VERSION_MIN:
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raise ansible.errors.AnsibleError(
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OLD_VERSION_MSG % (v, ANSIBLE_VERSION_MIN)
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)
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if v[:2] > ANSIBLE_VERSION_MAX:
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raise ansible.errors.AnsibleError(
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NEW_VERSION_MSG % (v, ANSIBLE_VERSION_MAX)
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)
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# this is the first file our strategy plugins import, so we need to check this here
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# in prior Ansible versions, connection_loader.get_with_context didn't exist, so if a user
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# is trying to load an old Ansible version, we'll fail and error gracefully
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assert_supported_release()
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from ansible.plugins.loader import action_loader
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from ansible.plugins.loader import become_loader
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from ansible.plugins.loader import connection_loader
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from ansible.plugins.loader import module_loader
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from ansible.plugins.loader import module_utils_loader
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from ansible.plugins.loader import shell_loader
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from ansible.plugins.loader import strategy_loader
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# These are original, unwrapped implementations
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action_loader__get = action_loader.get
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connection_loader__get = connection_loader.get_with_context
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