99 lines
3.2 KiB
Diff
99 lines
3.2 KiB
Diff
From b00c7171f58dbbda3df4bf5f2e65cbc7eff37a5b Mon Sep 17 00:00:00 2001
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From: David Cantrell <dcantrell@redhat.com>
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Date: Thu, 15 Feb 2024 14:03:32 -0500
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Subject: [PATCH] Add detection for ostree-based systems and warn users about
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losing changes
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Upstream commit: 5c050ba2324c5fb95bf0e0501c7925f38f6a09dc
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On ostree-based systems, users can use dnf to customize the
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environment but those changes will be lost at the next ostree-based
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image update. If you want to retain changes between ostree-updates
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you need to make use of rpm-ostree right now.
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Signed-off-by: David Cantrell <dcantrell@redhat.com>
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Resolves: https://issues.redhat.com/browse/RHEL-49671
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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dnf/cli/cli.py | 9 +++++++++
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dnf/util.py | 31 +++++++++++++++++++++++++++++++
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2 files changed, 40 insertions(+)
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diff --git a/dnf/cli/cli.py b/dnf/cli/cli.py
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index 1824bd00e..c14f83639 100644
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--- a/dnf/cli/cli.py
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+++ b/dnf/cli/cli.py
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@@ -214,6 +214,15 @@ class BaseCli(dnf.Base):
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elif 'test' in self.conf.tsflags:
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logger.info(_("{prog} will only download packages, install gpg keys, and check the "
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"transaction.").format(prog=dnf.util.MAIN_PROG_UPPER))
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+ if dnf.util.is_container():
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+ _container_msg = _("""
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+*** This system is managed with ostree. Changes to the system
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+*** made with dnf will be lost with the next ostree-based update.
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+*** If you do not want to lose these changes, use 'rpm-ostree'.
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+""")
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+ logger.info(_container_msg)
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+ raise CliError(_("Operation aborted."))
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+
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if self._promptWanted():
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if self.conf.assumeno or not self.output.userconfirm():
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raise CliError(_("Operation aborted."))
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diff --git a/dnf/util.py b/dnf/util.py
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index 6cd7ad41f..1b465bda5 100644
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--- a/dnf/util.py
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+++ b/dnf/util.py
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@@ -33,11 +33,13 @@ import errno
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import functools
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import hawkey
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import itertools
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+import json
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import locale
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import logging
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import os
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import pwd
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import shutil
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+import subprocess
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import sys
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import tempfile
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import time
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@@ -639,3 +641,32 @@ def _is_file_pattern_present(specs):
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if subj._filename_pattern:
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return True
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return False
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+
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+
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+def is_container():
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+ """Returns true is the system is managed as an immutable container,
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+ false otherwise. If msg is True, a warning message is displayed
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+ for the user.
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+ """
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+
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+ bootc = '/usr/bin/bootc'
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+ ostree = '/sysroot/ostree'
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+
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+ if os.path.isfile(bootc) and os.access(bootc, os.X_OK):
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+ p = subprocess.Popen([bootc, "status", "--json"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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+ (out, err) = p.communicate()
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+
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+ if p.returncode == 0:
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+ # check the output of 'bootc status'
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+ j = json.loads(out)
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+
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+ # XXX: the API from bootc status is evolving
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+ status = j.get("status", "")
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+ kind = j.get("kind", "")
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+
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+ if kind.lower() == "bootchost" and bool(status.get("isContainer", None)):
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+ return True
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+ elif os.path.isdir(ostree):
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+ return True
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+
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+ return False
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--
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2.46.2
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