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ab97a5f1b3
Author | SHA1 | Date |
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Tomas Bzatek | ab97a5f1b3 | |
Tomas Bzatek | fdcd46eb2d |
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e9d95c1165703fed3da1f35a9199197bfff68f98 blivet-3.6.0.tar.gz
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8393baa22cb433d1012e3923ad0bc232401116c6 blivet-3.6.0-tests.tar.gz
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From 9dcd32dd85f7f45c3fe6c8d7b1de3b4c322c6807 Mon Sep 17 00:00:00 2001
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From: Tomas Bzatek <tbzatek@redhat.com>
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Date: Mon, 11 Sep 2023 13:50:24 +0200
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Subject: [PATCH] nvme: Require additional rpms for dracut
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The '95nvmf' dracut module needs a couple more packages
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for the NBFT (NVMe over TCP) to work - such as networking.
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Local PCIe NVMe devices have no special needs.
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---
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blivet/devices/disk.py | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/blivet/devices/disk.py b/blivet/devices/disk.py
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index 2b49ef685..5053f7bb8 100644
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--- a/blivet/devices/disk.py
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+++ b/blivet/devices/disk.py
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@@ -725,7 +725,8 @@ class NVMeFabricsNamespaceDevice(NVMeNamespaceDevice, NetworkStorageDevice):
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""" NVMe fabrics namespace """
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_type = "nvme-fabrics"
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- _packages = ["nvme-cli"]
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+ # dracut '95nvmf' module dependencies
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+ _packages = ["nvme-cli", "dracut-network"]
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def __init__(self, device, **kwargs):
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"""
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@ -0,0 +1,107 @@
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From 06597099906be55b106c234b3bf0c87ec7d90a07 Mon Sep 17 00:00:00 2001
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From: Tomas Bzatek <tbzatek@redhat.com>
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Date: Thu, 17 Aug 2023 14:45:18 +0200
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Subject: [PATCH] nvme: Align HostNQN and HostID format to TP4126
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Also don't overwrite existing files during startup() since they
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might have been supplied by early boot stages.
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---
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blivet/nvme.py | 62 +++++++++++++++++++++++++++++++-------------------
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1 file changed, 39 insertions(+), 23 deletions(-)
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diff --git a/blivet/nvme.py b/blivet/nvme.py
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index 17bead15e..5ac41cffa 100644
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--- a/blivet/nvme.py
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+++ b/blivet/nvme.py
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@@ -18,16 +18,20 @@
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#
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import os
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-import shutil
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from . import errors
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-from . import util
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+
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+import gi
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+gi.require_version("BlockDev", "2.0")
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+
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+from gi.repository import BlockDev as blockdev
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import logging
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log = logging.getLogger("blivet")
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-HOSTNQN_FILE = "/etc/nvme/hostnqn"
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-HOSTID_FILE = "/etc/nvme/hostid"
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+ETC_NVME_PATH = "/etc/nvme/"
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+HOSTNQN_FILE = ETC_NVME_PATH + "hostnqn"
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+HOSTID_FILE = ETC_NVME_PATH + "hostid"
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class NVMe(object):
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@@ -40,6 +44,8 @@ class NVMe(object):
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def __init__(self):
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self.started = False
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+ self._hostnqn = None
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+ self._hostid = None
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# So that users can write nvme() to get the singleton instance
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def __call__(self):
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@@ -52,28 +58,38 @@ def startup(self):
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if self.started:
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return
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- rc, nqn = util.run_program_and_capture_output(["nvme", "gen-hostnqn"])
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- if rc != 0:
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- raise errors.NVMeError("Failed to generate hostnqn")
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-
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- with open(HOSTNQN_FILE, "w") as f:
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- f.write(nqn)
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-
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- rc, hid = util.run_program_and_capture_output(["dmidecode", "-s", "system-uuid"])
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- if rc != 0:
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- raise errors.NVMeError("Failed to generate host ID")
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-
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- with open(HOSTID_FILE, "w") as f:
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- f.write(hid)
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+ self._hostnqn = blockdev.nvme_get_host_nqn()
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+ self._hostid = blockdev.nvme_get_host_id()
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+ if not self._hostnqn:
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+ self._hostnqn = blockdev.nvme_generate_host_nqn()
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+ if not self._hostnqn:
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+ raise errors.NVMeError("Failed to generate HostNQN")
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+ if not self._hostid:
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+ if 'uuid:' not in self._hostnqn:
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+ raise errors.NVMeError("Missing UUID part in the HostNQN string '%s'" % self._hostnqn)
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+ # derive HostID from HostNQN's UUID part
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+ self._hostid = self._hostnqn.split('uuid:')[1]
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+
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+ # do not overwrite existing files, taken e.g. from initramfs
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+ self.write("/", overwrite=False)
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self.started = True
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- def write(self, root): # pylint: disable=unused-argument
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- # copy the hostnqn and hostid files
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- if not os.path.isdir(root + "/etc/nvme"):
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- os.makedirs(root + "/etc/nvme", 0o755)
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- shutil.copyfile(HOSTNQN_FILE, root + HOSTNQN_FILE)
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- shutil.copyfile(HOSTID_FILE, root + HOSTID_FILE)
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+ def write(self, root, overwrite=True): # pylint: disable=unused-argument
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+ # write down the hostnqn and hostid files
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+ p = root + ETC_NVME_PATH
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+ if not os.path.isdir(p):
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+ os.makedirs(p, 0o755)
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+ p = root + HOSTNQN_FILE
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+ if overwrite or not os.path.isfile(p):
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+ with open(p, "w") as f:
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+ f.write(self._hostnqn)
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+ f.write("\n")
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+ p = root + HOSTID_FILE
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+ if overwrite or not os.path.isfile(p):
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+ with open(p, "w") as f:
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+ f.write(self._hostid)
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+ f.write("\n")
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# Create nvme singleton
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@ -0,0 +1,58 @@
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From 63da3cb8a40500c889c8faa4326f81d16997a3c8 Mon Sep 17 00:00:00 2001
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From: Tomas Bzatek <tbzatek@redhat.com>
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Date: Mon, 27 Nov 2023 18:55:55 +0100
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Subject: [PATCH] nvme: Retrieve HostNQN from a first active fabrics connection
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When no /etc/hostnqn exists, look for any active NVMe over Fabrics
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connections and take the values from a first one, rather than
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generating new ones.
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---
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blivet/nvme.py | 21 +++++++++++++++++++++
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1 file changed, 21 insertions(+)
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diff --git a/blivet/nvme.py b/blivet/nvme.py
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index 5ac41cffa..2e4686e68 100644
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--- a/blivet/nvme.py
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+++ b/blivet/nvme.py
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@@ -18,6 +18,7 @@
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#
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import os
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+import glob
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from . import errors
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@@ -54,6 +55,22 @@ def __call__(self):
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def __deepcopy__(self, memo_dict): # pylint: disable=unused-argument
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return self
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+ def _retrieve_fabrics_hostnqn(self):
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+ for d in glob.glob('/sys/class/nvme-fabrics/ctl/nvme*/'):
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+ try:
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+ # invalidate old values
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+ self._hostnqn = None
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+ self._hostid = None
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+ # read from sysfs
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+ with open(os.path.join(d, 'hostnqn')) as f:
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+ self._hostnqn = f.readline().strip()
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+ with open(os.path.join(d, 'hostid')) as f:
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+ self._hostid = f.readline().strip()
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+ if self._hostnqn:
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+ break
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+ except Exception: # pylint: disable=broad-except
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+ pass
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+
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def startup(self):
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if self.started:
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return
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@@ -61,6 +78,10 @@ def startup(self):
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self._hostnqn = blockdev.nvme_get_host_nqn()
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self._hostid = blockdev.nvme_get_host_id()
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if not self._hostnqn:
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+ # see if there are any active fabrics connections and take their values over
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+ self._retrieve_fabrics_hostnqn()
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+ if not self._hostnqn:
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+ # generate new values
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self._hostnqn = blockdev.nvme_generate_host_nqn()
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if not self._hostnqn:
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raise errors.NVMeError("Failed to generate HostNQN")
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@ -0,0 +1,67 @@
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From c807e234dfd07f3d0005c71501f0300284cd580b Mon Sep 17 00:00:00 2001
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From: Vojtech Trefny <vtrefny@redhat.com>
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Date: Wed, 6 Dec 2023 11:47:31 +0100
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Subject: [PATCH] tests: Add a simple unit test for the NVMe module
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---
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tests/unit_tests/__init__.py | 1 +
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tests/unit_tests/nvme_test.py | 38 +++++++++++++++++++++++++++++++++++
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2 files changed, 39 insertions(+)
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create mode 100644 tests/unit_tests/nvme_test.py
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diff --git a/tests/unit_tests/__init__.py b/tests/unit_tests/__init__.py
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index 589366e0f..62bef67f5 100644
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--- a/tests/unit_tests/__init__.py
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+++ b/tests/unit_tests/__init__.py
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@@ -9,6 +9,7 @@
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from .devicetree_test import *
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from .events_test import *
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from .misc_test import *
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+from .nvme_test import *
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from .parentlist_test import *
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from .populator_test import *
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from .size_test import *
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diff --git a/tests/unit_tests/nvme_test.py b/tests/unit_tests/nvme_test.py
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new file mode 100644
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index 000000000..cb948687f
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--- /dev/null
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+++ b/tests/unit_tests/nvme_test.py
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@@ -0,0 +1,38 @@
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+import unittest
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+
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+try:
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+ from unittest.mock import patch
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+except ImportError:
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+ from mock import patch
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+
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+from blivet.nvme import nvme
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+
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+
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+class NVMeModuleTestCase(unittest.TestCase):
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+
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+ host_nqn = "nqn.2014-08.org.nvmexpress:uuid:01234567-8900-abcd-efff-abcdabcdabcd"
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+
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+ @patch("blivet.nvme.os")
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+ @patch("blivet.nvme.blockdev")
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+ def test_nvme_module(self, bd, os):
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+ self.assertIsNotNone(nvme)
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+ bd.nvme_get_host_nqn.return_value = self.host_nqn
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+ bd.nvme_get_host_id.return_value = None # None = generate from host_nqn
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+ os.path.isdir.return_value = False
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+
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+ # startup
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+ with patch.object(nvme, "write") as write:
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+ nvme.startup()
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+ write.assert_called_once_with("/", overwrite=False)
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+
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+ self.assertTrue(nvme.started)
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+ self.assertEqual(nvme._hostnqn, self.host_nqn)
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+ self.assertEqual(nvme._hostid, "01234567-8900-abcd-efff-abcdabcdabcd")
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+
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+ # write
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+ with patch("blivet.nvme.open") as op:
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+ nvme.write("/test")
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+
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+ os.makedirs.assert_called_with("/test/etc/nvme/", 0o755)
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+ op.assert_any_call("/test/etc/nvme/hostnqn", "w")
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+ op.assert_any_call("/test/etc/nvme/hostid", "w")
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@ -23,7 +23,7 @@ Version: 3.6.0
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#%%global prerelease .b2
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# prerelease, if defined, should be something like .a1, .b1, .b2.dev1, or .c2
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Release: 9%{?prerelease}%{?dist}
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Release: 11%{?prerelease}%{?dist}
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Epoch: 1
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License: LGPLv2+
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%global realname blivet
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@ -46,6 +46,10 @@ Patch12: 0013-Fix-setting-kickstart-data.patch
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Patch13: 0014-Do-not-set-memory-limit-for-LUKS2-when-running-in-FI.patch
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Patch14: 0015-Add-support-for-filesystem-online-resize.patch
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Patch15: 0016-Backport-iSCSI-initiator-name-related-fixes.patch
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Patch16: 0017-nvme-additional-rpms-for-dracut.patch
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Patch17: 0018-nvme-TP4126-fixes-1.patch
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Patch18: 0019-nvme-hostnqn_from_active_fabrics_connection.patch
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Patch19: 0020-nvme-add_unit_tests.patch
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# Versions of required components (done so we make sure the buildrequires
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# match the requires versions of things).
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@ -209,6 +213,16 @@ configuration.
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%endif
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%changelog
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* Mon Dec 11 2023 Tomas Bzatek <tbzatek@redhat.com> - 3.6.0-11
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- nvme: Retrieve HostNQN from a first active fabrics connection
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- tests: Add a simple unit test for the NVMe module
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Resolves: RHEL-11541
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* Tue Sep 26 2023 Tomas Bzatek <tbzatek@redhat.com> - 3.6.0-10
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- nvme: Require additional rpms for dracut
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Resolves: RHEL-2855
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- nvme: Align HostNQN and HostID format to TP-4126
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Resolves: RHEL-1254
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* Mon Jul 24 2023 Jan Pokorny <japokorn@redhat.com> - 3.6.0-9
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Backport iSCSI initiator name related fixes:
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