示例#1
0
文件: common.py 项目: SPriyal/tern
def add_base_packages(image_layer, binary, shell):  # pylint: disable=too-many-locals
    '''Given the image layer, the binary to invoke and shell:
        1. get the listing from the base.yml
        2. Invoke any commands against the base layer
        3. Make a list of packages and add them to the layer'''
    origin_layer = 'Layer: ' + image_layer.fs_hash[:10]
    if image_layer.created_by:
        image_layer.origins.add_notice_to_origins(
            origin_layer,
            Notice(
                formats.layer_created_by.format(
                    created_by=image_layer.created_by), 'info'))
    else:
        image_layer.origins.add_notice_to_origins(
            origin_layer, Notice(formats.no_created_by, 'warning'))
    origin_command_lib = formats.invoking_base_commands
    # find the binary
    listing = command_lib.get_base_listing(binary)
    if listing:
        # put info notice about what is going to be invoked
        snippet_msg = formats.invoke_for_base + '\n' + \
            content.print_base_invoke(binary)
        image_layer.origins.add_notice_to_origins(origin_layer,
                                                  Notice(snippet_msg, 'info'))
        shell, _ = command_lib.get_image_shell(listing)
        if not shell:
            shell = constants.shell
        # get all the packages in the base layer
        names, n_msg = command_lib.get_pkg_attr_list(shell, listing['names'])
        versions, v_msg = command_lib.get_pkg_attr_list(
            shell, listing['versions'])
        licenses, l_msg = command_lib.get_pkg_attr_list(
            shell, listing['licenses'])
        src_urls, u_msg = command_lib.get_pkg_attr_list(
            shell, listing['src_urls'])
        # add a notice to the image if something went wrong
        invoke_msg = n_msg + v_msg + l_msg + u_msg
        if invoke_msg:
            image_layer.origins.add_notice_to_origins(
                origin_layer, Notice(invoke_msg, 'error'))
        if names and len(names) > 1:
            for index, name in enumerate(names):
                pkg = Package(name)
                if len(versions) == len(names):
                    pkg.version = versions[index]
                if len(licenses) == len(names):
                    pkg.license = licenses[index]
                if len(src_urls) == len(names):
                    pkg.src_url = src_urls[index]
                image_layer.add_package(pkg)
    # if there is no listing add a notice
    else:
        image_layer.origins.add_notice_to_origins(
            origin_command_lib,
            Notice(errors.no_listing_for_base_key.format(listing_key=binary),
                   'error'))
示例#2
0
 def testIsEqual(self):
     p = Package('x')
     p.license = 'TestLicense'
     p.version = '1.0'
     p.src_url = 'TestUrl'
     self.package.license = 'TestLicense'
     self.package.version = '2.0'
     self.package.src_url = 'TestUrl'
     self.assertFalse(self.package.is_equal(p))
     p.version = '2.0'
     self.assertTrue(self.package.is_equal(p))