75c9028095
- Enable new upgrade path for RHEL 8.10 -> RHEL 9.4 (including RHEL with SAP HANA) - Introduce generic transition of systemd services states during the IPU - Introduce possibility to upgrade with local repositories - Improve possibilities of upgrade when a proxy is configured in DNF configutation file - Fix handling of symlinks under /etc/pki when managing certificates - Fix the upgrade with custom https repositories - Default to the NO_RHSM mode when subscription-manager is not installed - Detect customized configuration of dynamic linker - Drop the invalid `tuv` target channel for the --channel option - Fix the issue of going out of bounds in the isccfg parser - Fix traceback when saving the rhsm facts results and the /etc/rhsm/facts directory doesn’t exist yet - Load all rpm repository substitutions that dnf knows about, not just "releasever" only - Simplify handling of upgrades on systems using RHUI, reducing the maintenance burden for cloud providers - Detect possible unexpected RPM GPG keys has been installed during RPM transaction - Resolves: RHEL-16729
276 lines
13 KiB
Diff
276 lines
13 KiB
Diff
From 5bd7bdf5e9c81ec306e567a147dc270adfd27da2 Mon Sep 17 00:00:00 2001
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From: Matej Matuska <mmatuska@redhat.com>
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Date: Tue, 14 Nov 2023 09:51:41 +0100
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Subject: [PATCH 36/38] Copy dnf.conf to target userspace and allow a custom
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one
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This change allows working around the fact that source and target
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`dnf.conf` files might be incompatible. For example some of the proxy
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configuration between RHEL7 and RHEL8.
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Target system compatible configuration can be specified in
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/etc/leapp/files/dnf.conf. If this file is present it is copied into
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the target userspace and also applied to the target system. If it
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doesn't exist, the `/etc/dnf/dnf.conf` from the source system will be
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copied instead.
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Errors that could be caused by incompatible/incorrect proxy
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configuration now contain a hint with a remediation with the steps above
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mentioned.
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* pstodulk@redhat.com: Updated text in the error msg.
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Jira: OAMG-6544
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---
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.../common/actors/applycustomdnfconf/actor.py | 19 ++++++++++++++
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.../libraries/applycustomdnfconf.py | 15 +++++++++++
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.../tests/test_applycustomdnfconf.py | 23 ++++++++++++++++
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.../copydnfconfintotargetuserspace/actor.py | 24 +++++++++++++++++
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.../copydnfconfintotargetuserspace.py | 19 ++++++++++++++
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.../tests/test_dnfconfuserspacecopy.py | 26 +++++++++++++++++++
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.../libraries/userspacegen.py | 18 ++++++++++---
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.../common/libraries/dnfplugin.py | 24 ++++++++++++++++-
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8 files changed, 163 insertions(+), 5 deletions(-)
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create mode 100644 repos/system_upgrade/common/actors/applycustomdnfconf/actor.py
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create mode 100644 repos/system_upgrade/common/actors/applycustomdnfconf/libraries/applycustomdnfconf.py
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create mode 100644 repos/system_upgrade/common/actors/applycustomdnfconf/tests/test_applycustomdnfconf.py
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create mode 100644 repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/actor.py
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create mode 100644 repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/libraries/copydnfconfintotargetuserspace.py
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create mode 100644 repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/tests/test_dnfconfuserspacecopy.py
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diff --git a/repos/system_upgrade/common/actors/applycustomdnfconf/actor.py b/repos/system_upgrade/common/actors/applycustomdnfconf/actor.py
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new file mode 100644
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index 00000000..d7c7fe87
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--- /dev/null
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+++ b/repos/system_upgrade/common/actors/applycustomdnfconf/actor.py
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@@ -0,0 +1,19 @@
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+from leapp.actors import Actor
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+from leapp.libraries.actor import applycustomdnfconf
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+from leapp.tags import ApplicationsPhaseTag, IPUWorkflowTag
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+
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+
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+class ApplyCustomDNFConf(Actor):
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+ """
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+ Move /etc/leapp/files/dnf.conf to /etc/dnf/dnf.conf if it exists
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+
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+ An actor in FactsPhase copies this file to the target userspace if present.
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+ In such case we also want to use the file on the target system.
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+ """
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+ name = "apply_custom_dnf_conf"
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+ consumes = ()
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+ produces = ()
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+ tags = (ApplicationsPhaseTag, IPUWorkflowTag)
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+
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+ def process(self):
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+ applycustomdnfconf.process()
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diff --git a/repos/system_upgrade/common/actors/applycustomdnfconf/libraries/applycustomdnfconf.py b/repos/system_upgrade/common/actors/applycustomdnfconf/libraries/applycustomdnfconf.py
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new file mode 100644
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index 00000000..2eabd678
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--- /dev/null
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+++ b/repos/system_upgrade/common/actors/applycustomdnfconf/libraries/applycustomdnfconf.py
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@@ -0,0 +1,15 @@
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+import os
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+
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+from leapp.libraries.stdlib import api, CalledProcessError, run
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+
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+CUSTOM_DNF_CONF_PATH = "/etc/leapp/files/dnf.conf"
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+
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+
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+def process():
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+ if os.path.exists(CUSTOM_DNF_CONF_PATH):
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+ try:
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+ run(["mv", CUSTOM_DNF_CONF_PATH, "/etc/dnf/dnf.conf"])
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+ except (CalledProcessError, OSError) as e:
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+ api.current_logger().debug(
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+ "Failed to move /etc/leapp/files/dnf.conf to /etc/dnf/dnf.conf: {}".format(e)
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+ )
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diff --git a/repos/system_upgrade/common/actors/applycustomdnfconf/tests/test_applycustomdnfconf.py b/repos/system_upgrade/common/actors/applycustomdnfconf/tests/test_applycustomdnfconf.py
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new file mode 100644
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index 00000000..6dbc4291
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--- /dev/null
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+++ b/repos/system_upgrade/common/actors/applycustomdnfconf/tests/test_applycustomdnfconf.py
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@@ -0,0 +1,23 @@
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+import os
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+
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+import pytest
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+
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+from leapp.libraries.actor import applycustomdnfconf
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+
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+
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+@pytest.mark.parametrize(
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+ "exists,should_move",
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+ [(False, False), (True, True)],
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+)
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+def test_copy_correct_dnf_conf(monkeypatch, exists, should_move):
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+ monkeypatch.setattr(os.path, "exists", lambda _: exists)
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+
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+ run_called = [False]
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+
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+ def mocked_run(_):
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+ run_called[0] = True
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+
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+ monkeypatch.setattr(applycustomdnfconf, 'run', mocked_run)
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+
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+ applycustomdnfconf.process()
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+ assert run_called[0] == should_move
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diff --git a/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/actor.py b/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/actor.py
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new file mode 100644
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index 00000000..46ce1934
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--- /dev/null
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+++ b/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/actor.py
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@@ -0,0 +1,24 @@
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+from leapp.actors import Actor
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+from leapp.libraries.actor import copydnfconfintotargetuserspace
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+from leapp.models import TargetUserSpacePreupgradeTasks
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+from leapp.tags import FactsPhaseTag, IPUWorkflowTag
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+
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+
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+class CopyDNFConfIntoTargetUserspace(Actor):
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+ """
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+ Copy dnf.conf into target userspace
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+
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+ Copies /etc/leapp/files/dnf.conf to target userspace. If it isn't available
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+ /etc/dnf/dnf.conf is copied instead. This allows specifying a different
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+ config for the target userspace, which might be required if the source
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+ system configuration file isn't compatible with the target one. One such
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+ example is incompatible proxy configuration between RHEL7 and RHEL8 DNF
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+ versions.
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+ """
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+ name = "copy_dnf_conf_into_target_userspace"
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+ consumes = ()
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+ produces = (TargetUserSpacePreupgradeTasks,)
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+ tags = (FactsPhaseTag, IPUWorkflowTag)
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+
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+ def process(self):
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+ copydnfconfintotargetuserspace.process()
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diff --git a/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/libraries/copydnfconfintotargetuserspace.py b/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/libraries/copydnfconfintotargetuserspace.py
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new file mode 100644
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index 00000000..4e74acdb
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--- /dev/null
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+++ b/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/libraries/copydnfconfintotargetuserspace.py
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@@ -0,0 +1,19 @@
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+import os
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+
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+from leapp.libraries.stdlib import api
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+from leapp.models import CopyFile, TargetUserSpacePreupgradeTasks
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+
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+
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+def process():
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+ src = "/etc/dnf/dnf.conf"
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+ if os.path.exists("/etc/leapp/files/dnf.conf"):
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+ src = "/etc/leapp/files/dnf.conf"
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+
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+ api.current_logger().debug(
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+ "Copying dnf.conf at {} to the target userspace".format(src)
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+ )
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+ api.produce(
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+ TargetUserSpacePreupgradeTasks(
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+ copy_files=[CopyFile(src=src, dst="/etc/dnf/dnf.conf")]
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+ )
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+ )
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diff --git a/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/tests/test_dnfconfuserspacecopy.py b/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/tests/test_dnfconfuserspacecopy.py
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new file mode 100644
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index 00000000..6c99925e
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--- /dev/null
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+++ b/repos/system_upgrade/common/actors/copydnfconfintotargetuserspace/tests/test_dnfconfuserspacecopy.py
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@@ -0,0 +1,26 @@
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+import os
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+
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+import pytest
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+
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+from leapp.libraries.actor import copydnfconfintotargetuserspace
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+from leapp.libraries.common.testutils import logger_mocked, produce_mocked
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+
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+
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+@pytest.mark.parametrize(
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+ "userspace_conf_exists,expected",
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+ [(False, "/etc/dnf/dnf.conf"), (True, "/etc/leapp/files/dnf.conf")],
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+)
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+def test_copy_correct_dnf_conf(monkeypatch, userspace_conf_exists, expected):
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+ monkeypatch.setattr(os.path, "exists", lambda _: userspace_conf_exists)
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+
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+ mocked_produce = produce_mocked()
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+ monkeypatch.setattr(copydnfconfintotargetuserspace.api, 'produce', mocked_produce)
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+ monkeypatch.setattr(copydnfconfintotargetuserspace.api, 'current_logger', logger_mocked())
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+
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+ copydnfconfintotargetuserspace.process()
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+
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+ assert mocked_produce.called == 1
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+ assert len(mocked_produce.model_instances) == 1
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+ assert len(mocked_produce.model_instances[0].copy_files) == 1
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+ assert mocked_produce.model_instances[0].copy_files[0].src == expected
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+ assert mocked_produce.model_instances[0].copy_files[0].dst == "/etc/dnf/dnf.conf"
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diff --git a/repos/system_upgrade/common/actors/targetuserspacecreator/libraries/userspacegen.py b/repos/system_upgrade/common/actors/targetuserspacecreator/libraries/userspacegen.py
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index 050ad7fe..e015a741 100644
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--- a/repos/system_upgrade/common/actors/targetuserspacecreator/libraries/userspacegen.py
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+++ b/repos/system_upgrade/common/actors/targetuserspacecreator/libraries/userspacegen.py
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@@ -269,15 +269,25 @@ def prepare_target_userspace(context, userspace_dir, enabled_repos, packages):
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# failed since leapp does not support updates behind proxy yet.
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for manager_info in api.consume(PkgManagerInfo):
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if manager_info.configured_proxies:
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- details['details'] = ("DNF failed to install userspace packages, likely due to the proxy "
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- "configuration detected in the YUM/DNF configuration file.")
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+ details['details'] = (
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+ "DNF failed to install userspace packages, likely due to the proxy "
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+ "configuration detected in the YUM/DNF configuration file. "
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+ "Make sure the proxy is properly configured in /etc/dnf/dnf.conf. "
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+ "It's also possible the proxy settings in the DNF configuration file are "
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+ "incompatible with the target system. A compatible configuration can be "
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+ "placed in /etc/leapp/files/dnf.conf which, if present, will be used during "
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+ "the upgrade instead of /etc/dnf/dnf.conf. "
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+ "In such case the configuration will also be applied to the target system."
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+ )
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# Similarly if a proxy was set specifically for one of the repositories.
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for repo_facts in api.consume(RepositoriesFacts):
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for repo_file in repo_facts.repositories:
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if any(repo_data.proxy and repo_data.enabled for repo_data in repo_file.data):
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- details['details'] = ("DNF failed to install userspace packages, likely due to the proxy "
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- "configuration detected in a repository configuration file.")
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+ details['details'] = (
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+ "DNF failed to install userspace packages, likely due to the proxy "
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+ "configuration detected in a repository configuration file."
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+ )
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raise StopActorExecutionError(message=message, details=details)
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diff --git a/repos/system_upgrade/common/libraries/dnfplugin.py b/repos/system_upgrade/common/libraries/dnfplugin.py
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index 26810e94..d3ec5901 100644
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--- a/repos/system_upgrade/common/libraries/dnfplugin.py
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+++ b/repos/system_upgrade/common/libraries/dnfplugin.py
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@@ -178,8 +178,30 @@ def _handle_transaction_err_msg(stage, xfs_info, err, is_container=False):
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return # not needed actually as the above function raises error, but for visibility
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NO_SPACE_STR = 'more space needed on the'
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message = 'DNF execution failed with non zero exit code.'
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- details = {'STDOUT': err.stdout, 'STDERR': err.stderr}
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if NO_SPACE_STR not in err.stderr:
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+ # if there was a problem reaching repos and proxy is configured in DNF/YUM configs, the
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+ # proxy is likely the problem.
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+ # NOTE(mmatuska): We can't consistently detect there was a problem reaching some repos,
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+ # because it isn't clear what are all the possible DNF error messages we can encounter,
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+ # such as: "Failed to synchronize cache for repo ..." or "Errors during downloading
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+ # metadata for # repository" or "No more mirrors to try - All mirrors were already tried
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+ # without success"
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+ # NOTE(mmatuska): We could check PkgManagerInfo to detect if proxy is indeed configured,
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+ # however it would be pretty ugly to pass it all the way down here
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+ proxy_hint = (
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+ "If there was a problem reaching remote content (see stderr output) and proxy is "
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+ "configured in the YUM/DNF configuration file, the proxy configuration is likely "
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+ "causing this error. "
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+ "Make sure the proxy is properly configured in /etc/dnf/dnf.conf. "
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+ "It's also possible the proxy settings in the DNF configuration file are "
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+ "incompatible with the target system. A compatible configuration can be "
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+ "placed in /etc/leapp/files/dnf.conf which, if present, it will be used during "
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+ "some parts of the upgrade instead of original /etc/dnf/dnf.conf. "
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+ "In such case the configuration will also be applied to the target system. "
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+ "Note that /etc/dnf/dnf.conf needs to be still configured correctly "
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+ "for your current system to pass the early phases of the upgrade process."
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+ )
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+ details = {'STDOUT': err.stdout, 'STDERR': err.stderr, 'hint': proxy_hint}
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raise StopActorExecutionError(message=message, details=details)
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# Disk Requirements:
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--
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2.41.0
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