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import os
from typing import Tuple, Type, Union

from uaclient import gpg, messages, system
from uaclient.apt import APT_KEYS_DIR, ESM_REPO_FILE_CONTENT, KEYRINGS_DIR
from uaclient.defaults import ESM_APT_ROOTDIR
from uaclient.entitlements import repo
from uaclient.entitlements.base import UAEntitlement
from uaclient.entitlements.entitlement_status import CanDisableFailure


class ESMBaseEntitlement(repo.RepoEntitlement):
    help_doc_url = messages.urls.ESM_HOME_PAGE

    @property
    def dependent_services(self) -> Tuple[Type[UAEntitlement], ...]:
        from uaclient.entitlements.ros import (
            ROSEntitlement,
            ROSUpdatesEntitlement,
        )

        return (ROSEntitlement, ROSUpdatesEntitlement)

    def _perform_enable(self, silent: bool = False) -> bool:
        from uaclient.timer.update_messaging import update_motd_messages

        enable_performed = super()._perform_enable(silent=silent)
        if enable_performed:
            update_motd_messages(self.cfg)
            self.disable_local_esm_repo()
        return enable_performed

    def setup_local_esm_repo(self) -> None:
        series = system.get_release_info().series
        # Ugly? Yes, but so is python < 3.8 without removeprefix
        assert self.name.startswith("esm-")
        esm_name = self.name[len("esm-") :]
        repo_filename = os.path.normpath(
            ESM_APT_ROOTDIR + self.repo_list_file_tmpl.format(name=self.name),
        )
        keyring_file = self.repo_key_file

        # No need to create if already present
        if os.path.exists(repo_filename):
            return

        system.write_file(
            repo_filename,
            ESM_REPO_FILE_CONTENT.format(name=esm_name, series=series),
        )

        # Set up GPG key
        source_keyring_file = os.path.join(KEYRINGS_DIR, keyring_file)
        destination_keyring_file = os.path.normpath(
            ESM_APT_ROOTDIR + APT_KEYS_DIR + keyring_file
        )
        os.makedirs(os.path.dirname(destination_keyring_file), exist_ok=True)
        gpg.export_gpg_key(source_keyring_file, destination_keyring_file)

    def disable_local_esm_repo(self) -> None:
        keyring_file = os.path.normpath(
            ESM_APT_ROOTDIR + APT_KEYS_DIR + self.repo_key_file
        )
        repo_filename = os.path.normpath(
            ESM_APT_ROOTDIR + self.repo_list_file_tmpl.format(name=self.name),
        )
        system.ensure_file_absent(repo_filename)
        system.ensure_file_absent(keyring_file)


class ESMAppsEntitlement(ESMBaseEntitlement):
    origin = "UbuntuESMApps"
    name = "esm-apps"
    title = messages.ESM_APPS_TITLE
    description = messages.ESM_APPS_DESCRIPTION
    help_text = messages.ESM_APPS_HELP_TEXT
    repo_key_file = "ubuntu-pro-esm-apps.gpg"

    def disable(
        self, silent=False
    ) -> Tuple[bool, Union[None, CanDisableFailure]]:
        from uaclient.timer.update_messaging import update_motd_messages

        disable_performed, fail = super().disable(silent=silent)
        if disable_performed:
            update_motd_messages(self.cfg)
            if system.is_current_series_lts():
                self.setup_local_esm_repo()
        return disable_performed, fail


class ESMInfraEntitlement(ESMBaseEntitlement):
    name = "esm-infra"
    origin = "UbuntuESM"
    title = messages.ESM_INFRA_TITLE
    description = messages.ESM_INFRA_DESCRIPTION
    help_text = messages.ESM_INFRA_HELP_TEXT
    repo_key_file = "ubuntu-pro-esm-infra.gpg"

    def disable(
        self, silent=False
    ) -> Tuple[bool, Union[None, CanDisableFailure]]:
        from uaclient.timer.update_messaging import update_motd_messages

        disable_performed, fail = super().disable(silent=silent)
        if disable_performed:
            update_motd_messages(self.cfg)
            if system.is_current_series_active_esm():
                self.setup_local_esm_repo()
        return disable_performed, fail

Filemanager

Name Type Size Permission Actions
__pycache__ Folder 0755
__init__.py File 6.76 KB 0644
anbox.py File 3.04 KB 0644
base.py File 44.05 KB 0644
cc.py File 1013 B 0644
cis.py File 1.14 KB 0644
entitlement_status.py File 3.12 KB 0644
esm.py File 3.85 KB 0644
fips.py File 19.99 KB 0644
landscape.py File 4.84 KB 0644
livepatch.py File 12.63 KB 0644
realtime.py File 5.46 KB 0644
repo.py File 21.85 KB 0644
ros.py File 1.47 KB 0644