Public bug reported:
When the unit tests are run on RHEL or CentOS, some tests which mock
filesystem directories so as to "lie" about things can cause
util.SeLinuxGuard to fail. The SeLinuxGuard does nothing in environments
which lack the selinux python module or when that module reports that
selinux is not enabled. When the guard is functional, though, it can be
confused by some mocks used in various tests.
tests.unittests.test_datasource.test_azure.TestCanDevBeReformatted.test_one_partition_ntfs_empty_with_dataloss_file_is_true
tests.unittests.test_datasource.test_azure.TestCanDevBeReformatted.test_one_partition_ntfs_populated_false
tests.unittests.test_datasource.test_azure.TestCanDevBeReformatted.test_one_partition_through_realpath_is_true
tests.unittests.test_datasource.test_azure.TestCanDevBeReformatted.test_two_partitions_ntfs_populated_false
tests.unittests.test_net.TestNetplanPostcommands.test_netplan_postcmds
In the first four cases, the tests mock os.path.realpath by remapping
path prefixes to point to a temporary directory, but SeLinuxGuard
doesn't see the mapping. In the last case, the test case mocks
os.path.islink to lie and claim a directory is actually a symlink, but
code invoked by SeLinuxGuard gets very confused when it tries to treat
the (quite real) directory as if it were a symlink.
** Affects: cloud-init
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1825253
Title:
Unit tests with filesystem-related mocks fail in SeLinuxGuard when run
on RHEL or CentOS
Status in cloud-init:
New
Bug description:
When the unit tests are run on RHEL or CentOS, some tests which mock
filesystem directories so as to "lie" about things can cause
util.SeLinuxGuard to fail. The SeLinuxGuard does nothing in
environments which lack the selinux python module or when that module
reports that selinux is not enabled. When the guard is functional,
though, it can be confused by some mocks used in various tests.
tests.unittests.test_datasource.test_azure.TestCanDevBeReformatted.test_one_partition_ntfs_empty_with_dataloss_file_is_true
tests.unittests.test_datasource.test_azure.TestCanDevBeReformatted.test_one_partition_ntfs_populated_false
tests.unittests.test_datasource.test_azure.TestCanDevBeReformatted.test_one_partition_through_realpath_is_true
tests.unittests.test_datasource.test_azure.TestCanDevBeReformatted.test_two_partitions_ntfs_populated_false
tests.unittests.test_net.TestNetplanPostcommands.test_netplan_postcmds
In the first four cases, the tests mock os.path.realpath by remapping
path prefixes to point to a temporary directory, but SeLinuxGuard
doesn't see the mapping. In the last case, the test case mocks
os.path.islink to lie and claim a directory is actually a symlink, but
code invoked by SeLinuxGuard gets very confused when it tries to treat
the (quite real) directory as if it were a symlink.
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