示例#1
0
def main():

    module = AnsibleModule(
        # not checking because of daisy chain to file module
        argument_spec=dict(
            src=dict(type='path', required=True),
            delimiter=dict(type='str'),
            dest=dict(type='path', required=True),
            backup=dict(type='bool', default=False),
            remote_src=dict(type='bool', default=False),
            regexp=dict(type='str'),
            ignore_hidden=dict(type='bool', default=False),
            validate=dict(type='str'),
        ),
        add_file_common_args=True,
    )

    changed = False
    path_hash = None
    dest_hash = None
    src = module.params['src']
    dest = module.params['dest']
    backup = module.params['backup']
    delimiter = module.params['delimiter']
    regexp = module.params['regexp']
    compiled_regexp = None
    ignore_hidden = module.params['ignore_hidden']
    validate = module.params.get('validate', None)

    result = dict(src=src, dest=dest)
    if not os.path.exists(src):
        module.fail_json(msg="Source (%s) does not exist" % src)

    if not os.path.isdir(src):
        module.fail_json(msg="Source (%s) is not a directory" % src)

    if regexp is not None:
        try:
            compiled_regexp = re.compile(regexp)
        except re.error as e:
            module.fail_json(msg="Invalid Regexp (%s) in \"%s\"" %
                             (to_native(e), regexp))

    if validate and "%s" not in validate:
        module.fail_json(msg="validate must contain %%s: %s" % validate)

    path = assemble_from_fragments(src, delimiter, compiled_regexp,
                                   ignore_hidden, module.tmpdir)
    path_hash = module.sha1(path)
    result['checksum'] = path_hash

    # Backwards compat.  This won't return data if FIPS mode is active
    try:
        pathmd5 = module.md5(path)
    except ValueError:
        pathmd5 = None
    result['md5sum'] = pathmd5

    if os.path.exists(dest):
        dest_hash = module.sha1(dest)

    if path_hash != dest_hash:
        if validate:
            (rc, out, err) = module.run_command(validate % path)
            result['validation'] = dict(rc=rc, stdout=out, stderr=err)
            if rc != 0:
                cleanup(path)
                module.fail_json(msg="failed to validate: rc:%s error:%s" %
                                 (rc, err))
        if backup and dest_hash is not None:
            result['backup_file'] = module.backup_local(dest)

        module.atomic_move(path,
                           dest,
                           unsafe_writes=module.params['unsafe_writes'])
        changed = True

    cleanup(path, result)

    # handle file permissions
    file_args = module.load_file_common_arguments(module.params)
    result['changed'] = module.set_fs_attributes_if_different(
        file_args, changed)

    # Mission complete
    result['msg'] = "OK"
    module.exit_json(**result)
示例#2
0
def main():
    module = AnsibleModule(
        argument_spec=dict(
            path=dict(type='path', required=True, aliases=['dest', 'name']),
            follow=dict(type='bool', default=False),
            get_md5=dict(type='bool', default=False),
            get_checksum=dict(type='bool', default=True),
            get_mime=dict(type='bool', default=True, aliases=['mime', 'mime_type', 'mime-type']),
            get_attributes=dict(type='bool', default=True, aliases=['attr', 'attributes']),
            checksum_algorithm=dict(type='str', default='sha1',
                                    choices=['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512'],
                                    aliases=['checksum', 'checksum_algo']),
        ),
        supports_check_mode=True,
    )

    path = module.params.get('path')
    b_path = to_bytes(path, errors='surrogate_or_strict')
    follow = module.params.get('follow')
    get_mime = module.params.get('get_mime')
    get_attr = module.params.get('get_attributes')
    get_checksum = module.params.get('get_checksum')
    checksum_algorithm = module.params.get('checksum_algorithm')

    # NOTE: undocumented option since 2.9 to be removed at a later date if possible (3.0+)
    # no real reason for keeping other than fear we may break older content.
    get_md5 = module.params.get('get_md5')

    # main stat data
    try:
        if follow:
            st = os.stat(b_path)
        else:
            st = os.lstat(b_path)
    except OSError as e:
        if e.errno == errno.ENOENT:
            output = {'exists': False}
            module.exit_json(changed=False, stat=output)

        module.fail_json(msg=e.strerror)

    # process base results
    output = format_output(module, path, st)

    # resolved permissions
    for perm in [('readable', os.R_OK), ('writeable', os.W_OK), ('executable', os.X_OK)]:
        output[perm[0]] = os.access(b_path, perm[1])

    # symlink info
    if output.get('islnk'):
        output['lnk_source'] = os.path.realpath(b_path)
        output['lnk_target'] = os.readlink(b_path)

    try:  # user data
        pw = pwd.getpwuid(st.st_uid)
        output['pw_name'] = pw.pw_name
    except (TypeError, KeyError):
        pass

    try:  # group data
        grp_info = grp.getgrgid(st.st_gid)
        output['gr_name'] = grp_info.gr_name
    except (KeyError, ValueError, OverflowError):
        pass

    # checksums
    if output.get('isreg') and output.get('readable'):

        # NOTE: see above about get_md5
        if get_md5:
            # Will fail on FIPS-140 compliant systems
            try:
                output['md5'] = module.md5(b_path)
            except ValueError:
                output['md5'] = None

        if get_checksum:
            output['checksum'] = module.digest_from_file(b_path, checksum_algorithm)

    # try to get mime data if requested
    if get_mime:
        output['mimetype'] = output['charset'] = 'unknown'
        mimecmd = module.get_bin_path('file')
        if mimecmd:
            mimecmd = [mimecmd, '-i', b_path]
            try:
                rc, out, err = module.run_command(mimecmd)
                if rc == 0:
                    mimetype, charset = out.split(':')[1].split(';')
                    output['mimetype'] = mimetype.strip()
                    output['charset'] = charset.split('=')[1].strip()
            except Exception:
                pass

    # try to get attr data
    if get_attr:
        output['version'] = None
        output['attributes'] = []
        output['attr_flags'] = ''
        out = module.get_file_attributes(b_path)
        for x in ('version', 'attributes', 'attr_flags'):
            if x in out:
                output[x] = out[x]

    module.exit_json(changed=False, stat=output)
示例#3
0
def main():

    global module

    module = AnsibleModule(
        # not checking because of daisy chain to file module
        argument_spec=dict(
            src=dict(type='path'),
            _original_basename=dict(
                type='str'
            ),  # used to handle 'dest is a directory' via template, a slight hack
            content=dict(type='str', no_log=True),
            dest=dict(type='path', required=True),
            backup=dict(type='bool', default=False),
            force=dict(type='bool', default=True, aliases=['thirsty']),
            validate=dict(type='str'),
            directory_mode=dict(type='raw'),
            remote_src=dict(type='bool'),
            local_follow=dict(type='bool'),
            checksum=dict(type='str'),
        ),
        add_file_common_args=True,
        supports_check_mode=True,
    )

    if module.params.get('thirsty'):
        module.deprecate(
            'The alias "thirsty" has been deprecated and will be removed, use "force" instead',
            version='2.13')

    src = module.params['src']
    b_src = to_bytes(src, errors='surrogate_or_strict')
    dest = module.params['dest']
    # Make sure we always have a directory component for later processing
    if os.path.sep not in dest:
        dest = '.{0}{1}'.format(os.path.sep, dest)
    b_dest = to_bytes(dest, errors='surrogate_or_strict')
    backup = module.params['backup']
    force = module.params['force']
    _original_basename = module.params.get('_original_basename', None)
    validate = module.params.get('validate', None)
    follow = module.params['follow']
    local_follow = module.params['local_follow']
    mode = module.params['mode']
    owner = module.params['owner']
    group = module.params['group']
    remote_src = module.params['remote_src']
    checksum = module.params['checksum']

    if not os.path.exists(b_src):
        module.fail_json(msg="Source %s not found" % (src))
    if not os.access(b_src, os.R_OK):
        module.fail_json(msg="Source %s not readable" % (src))

    # Preserve is usually handled in the action plugin but mode + remote_src has to be done on the
    # remote host
    if module.params['mode'] == 'preserve':
        module.params['mode'] = '0%03o' % stat.S_IMODE(os.stat(b_src).st_mode)
    mode = module.params['mode']

    checksum_dest = None

    if os.path.isfile(src):
        checksum_src = module.sha1(src)
    else:
        checksum_src = None

    # Backwards compat only.  This will be None in FIPS mode
    try:
        if os.path.isfile(src):
            md5sum_src = module.md5(src)
        else:
            md5sum_src = None
    except ValueError:
        md5sum_src = None

    changed = False

    if checksum and checksum_src != checksum:
        module.fail_json(
            msg=
            'Copied file does not match the expected checksum. Transfer failed.',
            checksum=checksum_src,
            expected_checksum=checksum)

    # Special handling for recursive copy - create intermediate dirs
    if _original_basename and dest.endswith(os.sep):
        dest = os.path.join(dest, _original_basename)
        b_dest = to_bytes(dest, errors='surrogate_or_strict')
        dirname = os.path.dirname(dest)
        b_dirname = to_bytes(dirname, errors='surrogate_or_strict')
        if not os.path.exists(b_dirname):
            try:
                (pre_existing_dir,
                 new_directory_list) = split_pre_existing_dir(dirname)
            except AnsibleModuleError as e:
                e.result['msg'] += ' Could not copy to {0}'.format(dest)
                module.fail_json(**e.results)

            os.makedirs(b_dirname)
            directory_args = module.load_file_common_arguments(module.params)
            directory_mode = module.params["directory_mode"]
            if directory_mode is not None:
                directory_args['mode'] = directory_mode
            else:
                directory_args['mode'] = None
            adjust_recursive_directory_permissions(pre_existing_dir,
                                                   new_directory_list, module,
                                                   directory_args, changed)

    if os.path.isdir(b_dest):
        basename = os.path.basename(src)
        if _original_basename:
            basename = _original_basename
        dest = os.path.join(dest, basename)
        b_dest = to_bytes(dest, errors='surrogate_or_strict')

    if os.path.exists(b_dest):
        if os.path.islink(b_dest) and follow:
            b_dest = os.path.realpath(b_dest)
            dest = to_native(b_dest, errors='surrogate_or_strict')
        if not force:
            module.exit_json(msg="file already exists",
                             src=src,
                             dest=dest,
                             changed=False)
        if os.access(b_dest, os.R_OK) and os.path.isfile(b_dest):
            checksum_dest = module.sha1(dest)
    else:
        if not os.path.exists(os.path.dirname(b_dest)):
            try:
                # os.path.exists() can return false in some
                # circumstances where the directory does not have
                # the execute bit for the current user set, in
                # which case the stat() call will raise an OSError
                os.stat(os.path.dirname(b_dest))
            except OSError as e:
                if "permission denied" in to_native(e).lower():
                    module.fail_json(
                        msg="Destination directory %s is not accessible" %
                        (os.path.dirname(dest)))
            module.fail_json(msg="Destination directory %s does not exist" %
                             (os.path.dirname(dest)))

    if not os.access(os.path.dirname(b_dest),
                     os.W_OK) and not module.params['unsafe_writes']:
        module.fail_json(msg="Destination %s not writable" %
                         (os.path.dirname(dest)))

    backup_file = None
    if checksum_src != checksum_dest or os.path.islink(b_dest):
        if not module.check_mode:
            try:
                if backup:
                    if os.path.exists(b_dest):
                        backup_file = module.backup_local(dest)
                # allow for conversion from symlink.
                if os.path.islink(b_dest):
                    os.unlink(b_dest)
                    open(b_dest, 'w').close()
                if validate:
                    # if we have a mode, make sure we set it on the temporary
                    # file source as some validations may require it
                    if mode is not None:
                        module.set_mode_if_different(src, mode, False)
                    if owner is not None:
                        module.set_owner_if_different(src, owner, False)
                    if group is not None:
                        module.set_group_if_different(src, group, False)
                    if "%s" not in validate:
                        module.fail_json(msg="validate must contain %%s: %s" %
                                         (validate))
                    (rc, out, err) = module.run_command(validate % src)
                    if rc != 0:
                        module.fail_json(msg="failed to validate",
                                         exit_status=rc,
                                         stdout=out,
                                         stderr=err)
                b_mysrc = b_src
                if remote_src and os.path.isfile(b_src):
                    _, b_mysrc = tempfile.mkstemp(dir=os.path.dirname(b_dest))

                    shutil.copyfile(b_src, b_mysrc)
                    try:
                        shutil.copystat(b_src, b_mysrc)
                    except OSError as err:
                        if err.errno == errno.ENOSYS and mode == "preserve":
                            module.warn("Unable to copy stats {0}".format(
                                to_native(b_src)))
                        else:
                            raise

                # might be needed below
                if PY3 and hasattr(os, 'listxattr'):
                    try:
                        src_has_acls = 'system.posix_acl_access' in os.listxattr(
                            src)
                    except Exception as e:
                        # assume unwanted ACLs by default
                        src_has_acls = True

                module.atomic_move(
                    b_mysrc,
                    dest,
                    unsafe_writes=module.params['unsafe_writes'])

                if PY3 and hasattr(os, 'listxattr') and platform.system(
                ) == 'Linux' and not remote_src:
                    # atomic_move used above to copy src into dest might, in some cases,
                    # use shutil.copy2 which in turn uses shutil.copystat.
                    # Since Python 3.3, shutil.copystat copies file extended attributes:
                    # https://docs.python.org/3/library/shutil.html#shutil.copystat
                    # os.listxattr (along with others) was added to handle the operation.

                    # This means that on Python 3 we are copying the extended attributes which includes
                    # the ACLs on some systems - further limited to Linux as the documentation above claims
                    # that the extended attributes are copied only on Linux. Also, os.listxattr is only
                    # available on Linux.

                    # If not remote_src, then the file was copied from the controller. In that
                    # case, any filesystem ACLs are artifacts of the copy rather than preservation
                    # of existing attributes. Get rid of them:

                    if src_has_acls:
                        # FIXME If dest has any default ACLs, there are not applied to src now because
                        # they were overridden by copystat. Should/can we do anything about this?
                        # 'system.posix_acl_default' in os.listxattr(os.path.dirname(b_dest))

                        try:
                            clear_facls(dest)
                        except ValueError as e:
                            if 'setfacl' in to_native(e):
                                # No setfacl so we're okay.  The controller couldn't have set a facl
                                # without the setfacl command
                                pass
                            else:
                                raise
                        except RuntimeError as e:
                            # setfacl failed.
                            if 'Operation not supported' in to_native(e):
                                # The file system does not support ACLs.
                                pass
                            else:
                                raise

            except (IOError, OSError):
                module.fail_json(msg="failed to copy: %s to %s" % (src, dest),
                                 traceback=traceback.format_exc())
        changed = True
    else:
        changed = False

    if checksum_src is None and checksum_dest is None:
        if remote_src and os.path.isdir(module.params['src']):
            b_src = to_bytes(module.params['src'],
                             errors='surrogate_or_strict')
            b_dest = to_bytes(module.params['dest'],
                              errors='surrogate_or_strict')

            if src.endswith(os.path.sep) and os.path.isdir(
                    module.params['dest']):
                diff_files_changed = copy_diff_files(b_src, b_dest, module)
                left_only_changed = copy_left_only(b_src, b_dest, module)
                common_dirs_changed = copy_common_dirs(b_src, b_dest, module)
                owner_group_changed = chown_recursive(b_dest, module)
                if diff_files_changed or left_only_changed or common_dirs_changed or owner_group_changed:
                    changed = True

            if src.endswith(
                    os.path.sep) and not os.path.exists(module.params['dest']):
                b_basename = to_bytes(os.path.basename(src),
                                      errors='surrogate_or_strict')
                b_dest = to_bytes(os.path.join(b_dest, b_basename),
                                  errors='surrogate_or_strict')
                b_src = to_bytes(os.path.join(module.params['src'], ""),
                                 errors='surrogate_or_strict')
                if not module.check_mode:
                    shutil.copytree(b_src, b_dest, symlinks=not (local_follow))
                chown_recursive(dest, module)
                changed = True

            if not src.endswith(os.path.sep) and os.path.isdir(
                    module.params['dest']):
                b_basename = to_bytes(os.path.basename(src),
                                      errors='surrogate_or_strict')
                b_dest = to_bytes(os.path.join(b_dest, b_basename),
                                  errors='surrogate_or_strict')
                b_src = to_bytes(os.path.join(module.params['src'], ""),
                                 errors='surrogate_or_strict')
                if not module.check_mode and not os.path.exists(b_dest):
                    shutil.copytree(b_src, b_dest, symlinks=not (local_follow))
                    changed = True
                    chown_recursive(dest, module)
                if module.check_mode and not os.path.exists(b_dest):
                    changed = True
                if os.path.exists(b_dest):
                    diff_files_changed = copy_diff_files(b_src, b_dest, module)
                    left_only_changed = copy_left_only(b_src, b_dest, module)
                    common_dirs_changed = copy_common_dirs(
                        b_src, b_dest, module)
                    owner_group_changed = chown_recursive(b_dest, module)
                    if diff_files_changed or left_only_changed or common_dirs_changed or owner_group_changed:
                        changed = True

            if not src.endswith(os.path.sep) and not os.path.exists(
                    module.params['dest']):
                b_basename = to_bytes(os.path.basename(module.params['src']),
                                      errors='surrogate_or_strict')
                b_dest = to_bytes(os.path.join(b_dest, b_basename),
                                  errors='surrogate_or_strict')
                if not module.check_mode and not os.path.exists(b_dest):
                    os.makedirs(b_dest)
                    b_src = to_bytes(os.path.join(module.params['src'], ""),
                                     errors='surrogate_or_strict')
                    diff_files_changed = copy_diff_files(b_src, b_dest, module)
                    left_only_changed = copy_left_only(b_src, b_dest, module)
                    common_dirs_changed = copy_common_dirs(
                        b_src, b_dest, module)
                    owner_group_changed = chown_recursive(b_dest, module)
                    if diff_files_changed or left_only_changed or common_dirs_changed or owner_group_changed:
                        changed = True
                if module.check_mode and not os.path.exists(b_dest):
                    changed = True

    res_args = dict(dest=dest,
                    src=src,
                    md5sum=md5sum_src,
                    checksum=checksum_src,
                    changed=changed)
    if backup_file:
        res_args['backup_file'] = backup_file

    module.params['dest'] = dest
    if not module.check_mode:
        file_args = module.load_file_common_arguments(module.params)
        res_args['changed'] = module.set_fs_attributes_if_different(
            file_args, res_args['changed'])

    module.exit_json(**res_args)
def main():
    argument_spec = url_argument_spec()

    # setup aliases
    argument_spec['url_username']['aliases'] = ['username']
    argument_spec['url_password']['aliases'] = ['password']

    argument_spec.update(
        url=dict(type='str', required=True),
        dest=dict(type='path', required=True),
        backup=dict(type='bool'),
        sha256sum=dict(type='str', default=''),
        checksum=dict(type='str', default=''),
        timeout=dict(type='int', default=10),
        headers=dict(type='raw'),
        tmp_dest=dict(type='path'),
    )

    module = AnsibleModule(
        # not checking because of daisy chain to file module
        argument_spec=argument_spec,
        add_file_common_args=True,
        supports_check_mode=True,
        mutually_exclusive=[['checksum', 'sha256sum']],
    )

    if module.params.get('thirsty'):
        module.deprecate(
            'The alias "thirsty" has been deprecated and will be removed, use "force" instead',
            version='2.13')

    if module.params.get('sha256sum'):
        module.deprecate(
            'The parameter "sha256sum" has been deprecated and will be removed, use "checksum" instead',
            version='2.14')

    url = module.params['url']
    dest = module.params['dest']
    backup = module.params['backup']
    force = module.params['force']
    sha256sum = module.params['sha256sum']
    checksum = module.params['checksum']
    use_proxy = module.params['use_proxy']
    timeout = module.params['timeout']
    tmp_dest = module.params['tmp_dest']

    result = dict(
        changed=False,
        checksum_dest=None,
        checksum_src=None,
        dest=dest,
        elapsed=0,
        url=url,
    )

    # Parse headers to dict
    if isinstance(module.params['headers'], dict):
        headers = module.params['headers']
    elif module.params['headers']:
        try:
            headers = dict(
                item.split(':', 1)
                for item in module.params['headers'].split(','))
            module.deprecate(
                'Supplying `headers` as a string is deprecated. Please use dict/hash format for `headers`',
                version='2.10')
        except Exception:
            module.fail_json(
                msg=
                "The string representation for the `headers` parameter requires a key:value,key:value syntax to be properly parsed.",
                **result)
    else:
        headers = None

    dest_is_dir = os.path.isdir(dest)
    last_mod_time = None

    # workaround for usage of deprecated sha256sum parameter
    if sha256sum:
        checksum = 'sha256:%s' % (sha256sum)

    # checksum specified, parse for algorithm and checksum
    if checksum:
        try:
            algorithm, checksum = checksum.split(':', 1)
        except ValueError:
            module.fail_json(
                msg=
                "The checksum parameter has to be in format <algorithm>:<checksum>",
                **result)

        if checksum.startswith('http://') or checksum.startswith(
                'https://') or checksum.startswith('ftp://'):
            checksum_url = checksum
            # download checksum file to checksum_tmpsrc
            checksum_tmpsrc, checksum_info = url_get(module, checksum_url,
                                                     dest, use_proxy,
                                                     last_mod_time, force,
                                                     timeout, headers,
                                                     tmp_dest)
            with open(checksum_tmpsrc) as f:
                lines = [line.rstrip('\n') for line in f]
            os.remove(checksum_tmpsrc)
            checksum_map = {}
            for line in lines:
                parts = line.split(None, 1)
                if len(parts) == 2:
                    checksum_map[parts[0]] = parts[1]
            filename = url_filename(url)

            # Look through each line in the checksum file for a hash corresponding to
            # the filename in the url, returning the first hash that is found.
            for cksum in (s for (s, f) in checksum_map.items()
                          if f.strip('./') == filename):
                checksum = cksum
                break
            else:
                checksum = None

            if checksum is None:
                module.fail_json(
                    msg="Unable to find a checksum for file '%s' in '%s'" %
                    (filename, checksum_url))
        # Remove any non-alphanumeric characters, including the infamous
        # Unicode zero-width space
        checksum = re.sub(r'\W+', '', checksum).lower()
        # Ensure the checksum portion is a hexdigest
        try:
            int(checksum, 16)
        except ValueError:
            module.fail_json(msg='The checksum format is invalid', **result)

    if not dest_is_dir and os.path.exists(dest):
        checksum_mismatch = False

        # If the download is not forced and there is a checksum, allow
        # checksum match to skip the download.
        if not force and checksum != '':
            destination_checksum = module.digest_from_file(dest, algorithm)

            if checksum != destination_checksum:
                checksum_mismatch = True

        # Not forcing redownload, unless checksum does not match
        if not force and checksum and not checksum_mismatch:
            # Not forcing redownload, unless checksum does not match
            # allow file attribute changes
            module.params['path'] = dest
            file_args = module.load_file_common_arguments(module.params)
            file_args['path'] = dest
            result['changed'] = module.set_fs_attributes_if_different(
                file_args, False)
            if result['changed']:
                module.exit_json(
                    msg="file already exists but file attributes changed",
                    **result)
            module.exit_json(msg="file already exists", **result)

        # If the file already exists, prepare the last modified time for the
        # request.
        mtime = os.path.getmtime(dest)
        last_mod_time = datetime.datetime.utcfromtimestamp(mtime)

        # If the checksum does not match we have to force the download
        # because last_mod_time may be newer than on remote
        if checksum_mismatch:
            force = True

    # download to tmpsrc
    start = datetime.datetime.utcnow()
    tmpsrc, info = url_get(module, url, dest, use_proxy, last_mod_time, force,
                           timeout, headers, tmp_dest)
    result['elapsed'] = (datetime.datetime.utcnow() - start).seconds
    result['src'] = tmpsrc

    # Now the request has completed, we can finally generate the final
    # destination file name from the info dict.

    if dest_is_dir:
        filename = extract_filename_from_headers(info)
        if not filename:
            # Fall back to extracting the filename from the URL.
            # Pluck the URL from the info, since a redirect could have changed
            # it.
            filename = url_filename(info['url'])
        dest = os.path.join(dest, filename)
        result['dest'] = dest

    # raise an error if there is no tmpsrc file
    if not os.path.exists(tmpsrc):
        os.remove(tmpsrc)
        module.fail_json(msg="Request failed",
                         status_code=info['status'],
                         response=info['msg'],
                         **result)
    if not os.access(tmpsrc, os.R_OK):
        os.remove(tmpsrc)
        module.fail_json(msg="Source %s is not readable" % (tmpsrc), **result)
    result['checksum_src'] = module.sha1(tmpsrc)

    # check if there is no dest file
    if os.path.exists(dest):
        # raise an error if copy has no permission on dest
        if not os.access(dest, os.W_OK):
            os.remove(tmpsrc)
            module.fail_json(msg="Destination %s is not writable" % (dest),
                             **result)
        if not os.access(dest, os.R_OK):
            os.remove(tmpsrc)
            module.fail_json(msg="Destination %s is not readable" % (dest),
                             **result)
        result['checksum_dest'] = module.sha1(dest)
    else:
        if not os.path.exists(os.path.dirname(dest)):
            os.remove(tmpsrc)
            module.fail_json(msg="Destination %s does not exist" %
                             (os.path.dirname(dest)),
                             **result)
        if not os.access(os.path.dirname(dest), os.W_OK):
            os.remove(tmpsrc)
            module.fail_json(msg="Destination %s is not writable" %
                             (os.path.dirname(dest)),
                             **result)

    if module.check_mode:
        if os.path.exists(tmpsrc):
            os.remove(tmpsrc)
        result['changed'] = ('checksum_dest' not in result or
                             result['checksum_src'] != result['checksum_dest'])
        module.exit_json(msg=info.get('msg', ''), **result)

    backup_file = None
    if result['checksum_src'] != result['checksum_dest']:
        try:
            if backup:
                if os.path.exists(dest):
                    backup_file = module.backup_local(dest)
            module.atomic_move(tmpsrc, dest)
        except Exception as e:
            if os.path.exists(tmpsrc):
                os.remove(tmpsrc)
            module.fail_json(msg="failed to copy %s to %s: %s" %
                             (tmpsrc, dest, to_native(e)),
                             exception=traceback.format_exc(),
                             **result)
        result['changed'] = True
    else:
        result['changed'] = False
        if os.path.exists(tmpsrc):
            os.remove(tmpsrc)

    if checksum != '':
        destination_checksum = module.digest_from_file(dest, algorithm)

        if checksum != destination_checksum:
            os.remove(dest)
            module.fail_json(
                msg="The checksum for %s did not match %s; it was %s." %
                (dest, checksum, destination_checksum),
                **result)

    # allow file attribute changes
    module.params['path'] = dest
    file_args = module.load_file_common_arguments(module.params)
    file_args['path'] = dest
    result['changed'] = module.set_fs_attributes_if_different(
        file_args, result['changed'])

    # Backwards compat only.  We'll return None on FIPS enabled systems
    try:
        result['md5sum'] = module.md5(dest)
    except ValueError:
        result['md5sum'] = None

    if backup_file:
        result['backup_file'] = backup_file

    # Mission complete
    module.exit_json(msg=info.get('msg', ''),
                     status_code=info.get('status', ''),
                     **result)