315 lines
8.6 KiB
Python
315 lines
8.6 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2017, Alberto Murillo <alberto.murillo.silva@intel.com>
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#
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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DOCUMENTATION = '''
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---
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module: swupd
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short_description: Manages updates and bundles in ClearLinux systems.
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description:
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- Manages updates and bundles with the swupd bundle manager, which is used by the
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Clear Linux Project for Intel Architecture.
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author: Alberto Murillo (@albertomurillo)
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options:
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contenturl:
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description:
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- URL pointing to the contents of available bundles.
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If not specified, the contents are retrieved from clearlinux.org.
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type: str
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format:
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description:
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- The format suffix for version file downloads. For example [1,2,3,staging,etc].
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If not specified, the default format is used.
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type: str
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manifest:
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description:
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- The manifest contains information about the bundles at certain version of the OS.
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Specify a Manifest version to verify against that version or leave unspecified to
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verify against the current version.
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aliases: [release, version]
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type: int
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name:
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description:
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- Name of the (I)bundle to install or remove.
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aliases: [bundle]
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type: str
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state:
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description:
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- Indicates the desired (I)bundle state. C(present) ensures the bundle
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is installed while C(absent) ensures the (I)bundle is not installed.
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default: present
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choices: [present, absent]
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type: str
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update:
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description:
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- Updates the OS to the latest version.
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type: bool
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default: false
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url:
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description:
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- Overrides both I(contenturl) and I(versionurl).
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type: str
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verify:
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description:
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- Verify content for OS version.
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type: bool
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default: false
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versionurl:
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description:
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- URL for version string download.
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type: str
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'''
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EXAMPLES = '''
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- name: Update the OS to the latest version
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community.general.swupd:
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update: yes
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- name: Installs the "foo" bundle
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community.general.swupd:
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name: foo
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state: present
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- name: Removes the "foo" bundle
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community.general.swupd:
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name: foo
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state: absent
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- name: Check integrity of filesystem
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community.general.swupd:
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verify: yes
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- name: Downgrade OS to release 12920
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community.general.swupd:
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verify: yes
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manifest: 12920
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'''
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RETURN = '''
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stdout:
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description: stdout of swupd
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returned: always
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type: str
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stderr:
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description: stderr of swupd
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returned: always
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type: str
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'''
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import os
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from ansible.module_utils.basic import AnsibleModule
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class Swupd(object):
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FILES_NOT_MATCH = "files did not match"
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FILES_REPLACED = "missing files were replaced"
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FILES_FIXED = "files were fixed"
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FILES_DELETED = "files were deleted"
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def __init__(self, module):
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# Fail if swupd is not found
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self.module = module
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self.swupd_cmd = module.get_bin_path("swupd", False)
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if not self.swupd_cmd:
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module.fail_json(msg="Could not find swupd.")
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# Initialize parameters
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for key in module.params.keys():
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setattr(self, key, module.params[key])
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# Initialize return values
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self.changed = False
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self.failed = False
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self.msg = None
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self.rc = None
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self.stderr = ""
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self.stdout = ""
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def _run_cmd(self, cmd):
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self.rc, self.stdout, self.stderr = self.module.run_command(cmd, check_rc=False)
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def _get_cmd(self, command):
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cmd = "%s %s" % (self.swupd_cmd, command)
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if self.format:
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cmd += " --format=%s" % self.format
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if self.manifest:
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cmd += " --manifest=%s" % self.manifest
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if self.url:
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cmd += " --url=%s" % self.url
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else:
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if self.contenturl and command != "check-update":
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cmd += " --contenturl=%s" % self.contenturl
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if self.versionurl:
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cmd += " --versionurl=%s" % self.versionurl
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return cmd
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def _is_bundle_installed(self, bundle):
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try:
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os.stat("/usr/share/clear/bundles/%s" % bundle)
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except OSError:
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return False
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return True
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def _needs_update(self):
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cmd = self._get_cmd("check-update")
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self._run_cmd(cmd)
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if self.rc == 0:
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return True
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if self.rc == 1:
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return False
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self.failed = True
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self.msg = "Failed to check for updates"
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def _needs_verify(self):
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cmd = self._get_cmd("verify")
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self._run_cmd(cmd)
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if self.rc != 0:
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self.failed = True
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self.msg = "Failed to check for filesystem inconsistencies."
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if self.FILES_NOT_MATCH in self.stdout:
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return True
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return False
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def install_bundle(self, bundle):
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"""Installs a bundle with `swupd bundle-add bundle`"""
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if self.module.check_mode:
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self.module.exit_json(changed=not self._is_bundle_installed(bundle))
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if self._is_bundle_installed(bundle):
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self.msg = "Bundle %s is already installed" % bundle
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return
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cmd = self._get_cmd("bundle-add %s" % bundle)
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self._run_cmd(cmd)
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if self.rc == 0:
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self.changed = True
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self.msg = "Bundle %s installed" % bundle
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return
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self.failed = True
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self.msg = "Failed to install bundle %s" % bundle
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def remove_bundle(self, bundle):
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"""Removes a bundle with `swupd bundle-remove bundle`"""
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if self.module.check_mode:
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self.module.exit_json(changed=self._is_bundle_installed(bundle))
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if not self._is_bundle_installed(bundle):
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self.msg = "Bundle %s not installed"
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return
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cmd = self._get_cmd("bundle-remove %s" % bundle)
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self._run_cmd(cmd)
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if self.rc == 0:
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self.changed = True
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self.msg = "Bundle %s removed" % bundle
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return
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self.failed = True
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self.msg = "Failed to remove bundle %s" % bundle
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def update_os(self):
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"""Updates the os with `swupd update`"""
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if self.module.check_mode:
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self.module.exit_json(changed=self._needs_update())
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if not self._needs_update():
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self.msg = "There are no updates available"
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return
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cmd = self._get_cmd("update")
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self._run_cmd(cmd)
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if self.rc == 0:
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self.changed = True
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self.msg = "Update successful"
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return
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self.failed = True
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self.msg = "Failed to check for updates"
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def verify_os(self):
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"""Verifies filesystem against specified or current version"""
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if self.module.check_mode:
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self.module.exit_json(changed=self._needs_verify())
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if not self._needs_verify():
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self.msg = "No files where changed"
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return
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cmd = self._get_cmd("verify --fix")
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self._run_cmd(cmd)
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if self.rc == 0 and (self.FILES_REPLACED in self.stdout or self.FILES_FIXED in self.stdout or self.FILES_DELETED in self.stdout):
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self.changed = True
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self.msg = "Fix successful"
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return
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self.failed = True
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self.msg = "Failed to verify the OS"
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def main():
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"""The main function."""
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module = AnsibleModule(
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argument_spec=dict(
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contenturl=dict(type="str"),
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format=dict(type="str"),
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manifest=dict(aliases=["release", "version"], type="int"),
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name=dict(aliases=["bundle"], type="str"),
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state=dict(default="present", choices=["present", "absent"], type="str"),
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update=dict(default=False, type="bool"),
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url=dict(type="str"),
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verify=dict(default=False, type="bool"),
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versionurl=dict(type="str"),
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),
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required_one_of=[["name", "update", "verify"]],
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mutually_exclusive=[["name", "update", "verify"]],
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supports_check_mode=True
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)
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swupd = Swupd(module)
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name = module.params["name"]
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state = module.params["state"]
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update = module.params["update"]
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verify = module.params["verify"]
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if update:
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swupd.update_os()
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elif verify:
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swupd.verify_os()
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elif state == "present":
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swupd.install_bundle(name)
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elif state == "absent":
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swupd.remove_bundle(name)
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else:
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swupd.failed = True
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if swupd.failed:
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module.fail_json(msg=swupd.msg, stdout=swupd.stdout, stderr=swupd.stderr)
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else:
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module.exit_json(changed=swupd.changed, msg=swupd.msg, stdout=swupd.stdout, stderr=swupd.stderr)
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if __name__ == '__main__':
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main()
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