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authordermotbradley <dermot_bradley@yahoo.com>2020-07-15 21:24:43 +0100
committerGitHub <noreply@github.com>2020-07-15 16:24:43 -0400
commitc0d239c7eadeae9c9e0b4e692b49e79c8ffcafd2 (patch)
tree4aa743d2d61dd0617747f90d4d684b72705fc240 /tests/unittests
parent295f88052ba4cd452b55eb5fbd907f90aa6f9c52 (diff)
downloadvyos-cloud-init-c0d239c7eadeae9c9e0b4e692b49e79c8ffcafd2.tar.gz
vyos-cloud-init-c0d239c7eadeae9c9e0b4e692b49e79c8ffcafd2.zip
cc_ca_certs.py: fix blank line problem when removing CAs and adding new one (#483)
Problem: When cc_ca_certs configuration has both "remove-defaults: true" and also specifies one, or more, new trusted CAs to add then the resultant /etc/ca-certificates.conf file's 1st line is blank. As noted in comments in the existing cc_ca_certs.py code blank lines in this file cause problems. Fix: Before adding the cloud-init CA filename to this file first check the size of the file - if is is empty (as all existing CAs have been deleted) then write only the cloud-init CA filename to the file rather than appending it to the file.
Diffstat (limited to 'tests/unittests')
-rw-r--r--tests/unittests/test_handler/test_handler_ca_certs.py22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/unittests/test_handler/test_handler_ca_certs.py b/tests/unittests/test_handler/test_handler_ca_certs.py
index db0cdf9b..c1aff181 100644
--- a/tests/unittests/test_handler/test_handler_ca_certs.py
+++ b/tests/unittests/test_handler/test_handler_ca_certs.py
@@ -201,6 +201,28 @@ class TestAddCaCerts(TestCase):
mock_load.assert_called_once_with("/etc/ca-certificates.conf")
+ def test_single_cert_to_empty_existing_ca_file(self):
+ """Test adding a single certificate to the trusted CAs
+ when existing ca-certificates.conf is empty"""
+ cert = "CERT1\nLINE2\nLINE3"
+
+ expected = "cloud-init-ca-certs.crt\n"
+
+ with ExitStack() as mocks:
+ mock_write = mocks.enter_context(
+ mock.patch.object(util, 'write_file', autospec=True))
+ mock_stat = mocks.enter_context(
+ mock.patch("cloudinit.config.cc_ca_certs.os.stat")
+ )
+ mock_stat.return_value.st_size = 0
+
+ cc_ca_certs.add_ca_certs([cert])
+
+ mock_write.assert_has_calls([
+ mock.call("/usr/share/ca-certificates/cloud-init-ca-certs.crt",
+ cert, mode=0o644),
+ mock.call("/etc/ca-certificates.conf", expected, omode="wb")])
+
def test_multiple_certs(self):
"""Test adding multiple certificates to the trusted CAs."""
certs = ["CERT1\nLINE2\nLINE3", "CERT2\nLINE2\nLINE3"]