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From 20b0ac8b92ef134dbf8446c79da54011ddc5be2e Mon Sep 17 00:00:00 2001
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From: Eduardo Otubo <otubo@redhat.com>
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Date: Mon, 27 Apr 2020 10:53:07 +0200
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Subject: [PATCH 2/2] cc_mounts: fix incorrect format specifiers (#316)
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RH-Author: Eduardo Otubo <otubo@redhat.com>
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Message-id: <20200421081604.8658-1-otubo@redhat.com>
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Patchwork-id: 96012
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O-Subject: [RHEL-7.9 cloud-init PATCH] cc_mounts: fix incorrect format specifiers (#316)
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Bugzilla: 1772505
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RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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RH-Acked-by: Mohammed Gamal <mgamal@redhat.com>
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BZ: 1772505
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BRANCH: rhel79/master-19.4
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BREW: 28082908
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Conflicts: Not exactly a conflict, but removed optional notations
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"variable: type" and "-> type" from function header create_swapfile() as
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it is only available on Python >= 3.5 and this patch is for RHEL-7.9
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only (Python 2.*). The rest of the cherry-pick was clean.
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commit 9d7b35ce23aaf8741dd49b16e359c96591be3c76
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Author: Daniel Watkins <oddbloke@ubuntu.com>
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Date: Wed Apr 15 16:53:08 2020 -0400
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cc_mounts: fix incorrect format specifiers (#316)
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LP: #1872836
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Signed-off-by: Eduardo Otubo <otubo@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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cloudinit/config/cc_mounts.py | 6 +++---
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cloudinit/config/tests/test_mounts.py | 22 ++++++++++++++++++++++
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2 files changed, 25 insertions(+), 3 deletions(-)
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create mode 100644 cloudinit/config/tests/test_mounts.py
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diff --git a/cloudinit/config/cc_mounts.py b/cloudinit/config/cc_mounts.py
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index 0573026..7e8d63e 100644
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--- a/cloudinit/config/cc_mounts.py
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+++ b/cloudinit/config/cc_mounts.py
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@@ -226,17 +226,17 @@ def suggested_swapsize(memsize=None, maxsize=None, fsys=None):
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def create_swapfile(fname, size):
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"""Size is in MiB."""
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- errmsg = "Failed to create swapfile '%s' of size %dMB via %s: %s"
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+ errmsg = "Failed to create swapfile '%s' of size %sMB via %s: %s"
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def create_swap(fname, size, method):
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LOG.debug("Creating swapfile in '%s' on fstype '%s' using '%s'",
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fname, fstype, method)
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if method == "fallocate":
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- cmd = ['fallocate', '-l', '%dM' % size, fname]
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+ cmd = ['fallocate', '-l', '%sM' % size, fname]
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elif method == "dd":
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cmd = ['dd', 'if=/dev/zero', 'of=%s' % fname, 'bs=1M',
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- 'count=%d' % size]
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+ 'count=%s' % size]
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try:
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util.subp(cmd, capture=True)
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diff --git a/cloudinit/config/tests/test_mounts.py b/cloudinit/config/tests/test_mounts.py
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new file mode 100644
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index 0000000..c7dad61
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--- /dev/null
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+++ b/cloudinit/config/tests/test_mounts.py
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@@ -0,0 +1,22 @@
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+# This file is part of cloud-init. See LICENSE file for license information.
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+from unittest import mock
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+
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+from cloudinit.config.cc_mounts import create_swapfile
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+
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+
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+M_PATH = 'cloudinit.config.cc_mounts.'
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+
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+
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+class TestCreateSwapfile:
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+
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+ @mock.patch(M_PATH + 'util.subp')
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+ def test_happy_path(self, m_subp, tmpdir):
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+ swap_file = tmpdir.join("swap-file")
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+ fname = str(swap_file)
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+
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+ # Some of the calls to util.subp should create the swap file; this
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+ # roughly approximates that
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+ m_subp.side_effect = lambda *args, **kwargs: swap_file.write('')
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+
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+ create_swapfile(fname, '')
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+ assert mock.call(['mkswap', fname]) in m_subp.call_args_list
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--
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1.8.3.1
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