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[68.103.222.6]) by smtp.gmail.com with ESMTPSA id y34sm651085ota.12.2021.03.05.07.19.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Mar 2021 07:19:32 -0800 (PST) From: Connor Kuehl To: qemu-block@nongnu.org Subject: [PATCH v2 1/2] block: Clarify error messages pertaining to 'node-name' Date: Fri, 5 Mar 2021 09:19:28 -0600 Message-Id: <20210305151929.1947331-2-ckuehl@redhat.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210305151929.1947331-1-ckuehl@redhat.com> References: <20210305151929.1947331-1-ckuehl@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ckuehl@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=ckuehl@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, armbru@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Some error messages contain ambiguous representations of the 'node-name' parameter. This can be particularly confusing when exchanging QMP messages (C = client, S = server): C: {"execute": "block_resize", "arguments": { "device": "my_file", "size": 26843545600 }} S: {"error": {"class": "GenericError", "desc": "Cannot find device=my_file nor node_name="}} ^^^^^^^^^ This error message suggests one could send a message with a key called 'node_name': C: {"execute": "block_resize", "arguments": { "node_name": "my_file", "size": 26843545600 }} ^^^^^^^^^ but using the underscore is actually incorrect, the parameter should be 'node-name': S: {"error": {"class": "GenericError", "desc": "Parameter 'node_name' is unexpected"}} This behavior was uncovered in bz1651437, but I ended up going down a rabbit hole looking for other areas where this miscommunication might occur and changing those accordingly as well. Fixes: https://bugzilla.redhat.com/1651437 Signed-off-by: Connor Kuehl --- block.c | 8 ++++---- tests/qemu-iotests/030 | 4 ++-- tests/qemu-iotests/040 | 4 ++-- tests/qemu-iotests/051.pc.out | 6 +++--- tests/qemu-iotests/081.out | 2 +- tests/qemu-iotests/085.out | 6 +++--- tests/qemu-iotests/087.out | 2 +- tests/qemu-iotests/206.out | 2 +- tests/qemu-iotests/210.out | 2 +- tests/qemu-iotests/211.out | 2 +- tests/qemu-iotests/212.out | 2 +- tests/qemu-iotests/213.out | 2 +- tests/qemu-iotests/223.out | 4 ++-- tests/qemu-iotests/237.out | 2 +- tests/qemu-iotests/245 | 4 ++-- tests/qemu-iotests/249.out | 2 +- tests/qemu-iotests/300 | 4 ++-- 17 files changed, 29 insertions(+), 29 deletions(-) diff --git a/block.c b/block.c index a1f3cecd75..2daff6d29a 100644 --- a/block.c +++ b/block.c @@ -1440,7 +1440,7 @@ static void bdrv_assign_node_name(BlockDriverState *bs, * Check for empty string or invalid characters, but not if it is * generated (generated names use characters not available to the user) */ - error_setg(errp, "Invalid node name"); + error_setg(errp, "Invalid node-name: '%s'", node_name); return; } @@ -1453,7 +1453,7 @@ static void bdrv_assign_node_name(BlockDriverState *bs, /* takes care of avoiding duplicates node names */ if (bdrv_find_node(node_name)) { - error_setg(errp, "Duplicate node name"); + error_setg(errp, "Duplicate nodes with node-name='%s'", node_name); goto out; } @@ -5432,7 +5432,7 @@ BlockDriverState *bdrv_lookup_bs(const char *device, } } - error_setg(errp, "Cannot find device=%s nor node_name=%s", + error_setg(errp, "Cannot find device=\'%s\' nor node-name=\'%s\'", device ? device : "", node_name ? node_name : ""); return NULL; @@ -6752,7 +6752,7 @@ BlockDriverState *check_to_replace_node(BlockDriverState *parent_bs, AioContext *aio_context; if (!to_replace_bs) { - error_setg(errp, "Node name '%s' not found", node_name); + error_setg(errp, "Failed to find node with node-name='%s'", node_name); return NULL; } diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030 index 12aa9ed37e..5fb65b4bef 100755 --- a/tests/qemu-iotests/030 +++ b/tests/qemu-iotests/030 @@ -153,7 +153,7 @@ class TestSingleDrive(iotests.QMPTestCase): def test_device_not_found(self): result = self.vm.qmp('block-stream', device='nonexistent') self.assert_qmp(result, 'error/desc', - 'Cannot find device=nonexistent nor node_name=nonexistent') + 'Cannot find device=\'nonexistent\' nor node-name=\'nonexistent\'') def test_job_id_missing(self): result = self.vm.qmp('block-stream', device='mid') @@ -507,7 +507,7 @@ class TestParallelOps(iotests.QMPTestCase): # Error: the base node does not exist result = self.vm.qmp('block-stream', device='node4', base_node='none', job_id='stream') self.assert_qmp(result, 'error/desc', - 'Cannot find device= nor node_name=none') + 'Cannot find device=\'\' nor node-name=\'none\'') # Error: the base node is not a backing file of the top node result = self.vm.qmp('block-stream', device='node4', base_node='node6', job_id='stream') diff --git a/tests/qemu-iotests/040 b/tests/qemu-iotests/040 index 7ebc9ed825..336ff7c4f2 100755 --- a/tests/qemu-iotests/040 +++ b/tests/qemu-iotests/040 @@ -175,13 +175,13 @@ class TestSingleDrive(ImageCommitTestCase): self.assert_no_active_block_jobs() result = self.vm.qmp('block-commit', device='drive0', top_node='badfile', base_node='base') self.assert_qmp(result, 'error/class', 'GenericError') - self.assert_qmp(result, 'error/desc', "Cannot find device= nor node_name=badfile") + self.assert_qmp(result, 'error/desc', "Cannot find device='' nor node-name='badfile'") def test_base_node_invalid(self): self.assert_no_active_block_jobs() result = self.vm.qmp('block-commit', device='drive0', top_node='mid', base_node='badfile') self.assert_qmp(result, 'error/class', 'GenericError') - self.assert_qmp(result, 'error/desc', "Cannot find device= nor node_name=badfile") + self.assert_qmp(result, 'error/desc', "Cannot find device='' nor node-name='badfile'") def test_top_path_and_node(self): self.assert_no_active_block_jobs() diff --git a/tests/qemu-iotests/051.pc.out b/tests/qemu-iotests/051.pc.out index f707471fb0..f570610f64 100644 --- a/tests/qemu-iotests/051.pc.out +++ b/tests/qemu-iotests/051.pc.out @@ -61,13 +61,13 @@ QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,node-name=123foo -QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=123foo: Invalid node name +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=123foo: Invalid node-name: '123foo' Testing: -drive file=TEST_DIR/t.qcow2,node-name=_foo -QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=_foo: Invalid node name +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=_foo: Invalid node-name: '_foo' Testing: -drive file=TEST_DIR/t.qcow2,node-name=foo#12 -QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=foo#12: Invalid node name +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,node-name=foo#12: Invalid node-name: 'foo#12' === Device without drive === diff --git a/tests/qemu-iotests/081.out b/tests/qemu-iotests/081.out index 1974262fac..615c083549 100644 --- a/tests/qemu-iotests/081.out +++ b/tests/qemu-iotests/081.out @@ -140,7 +140,7 @@ Testing: QMP_VERSION {"return": {}} {"error": {"class": "GenericError", "desc": "blkverify=on can only be set if there are exactly two files and vote-threshold is 2"}} -{"error": {"class": "GenericError", "desc": "Cannot find device=drive0-quorum nor node_name=drive0-quorum"}} +{"error": {"class": "GenericError", "desc": "Cannot find device='drive0-quorum' nor node-name='drive0-quorum'"}} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} diff --git a/tests/qemu-iotests/085.out b/tests/qemu-iotests/085.out index 32a193f2c2..1d4c565b6d 100644 --- a/tests/qemu-iotests/085.out +++ b/tests/qemu-iotests/085.out @@ -24,7 +24,7 @@ Formatting 'TEST_DIR/1-snapshot-v0.qcow2', fmt=qcow2 cluster_size=65536 extended { 'execute': 'blockdev-snapshot-sync', 'arguments': { 'snapshot-file':'TEST_DIR/1-snapshot-v0.IMGFMT', 'format': 'IMGFMT' } } -{"error": {"class": "GenericError", "desc": "Cannot find device= nor node_name="}} +{"error": {"class": "GenericError", "desc": "Cannot find device='' nor node-name=''"}} === Invalid command - missing snapshot-file === @@ -222,10 +222,10 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file=TEST_DIR/ { 'execute': 'blockdev-snapshot', 'arguments': { 'node': 'virtio0', 'overlay':'snap_14' } } -{"error": {"class": "GenericError", "desc": "Cannot find device=snap_14 nor node_name=snap_14"}} +{"error": {"class": "GenericError", "desc": "Cannot find device='snap_14' nor node-name='snap_14'"}} { 'execute': 'blockdev-snapshot', 'arguments': { 'node':'nodevice', 'overlay':'snap_13' } } -{"error": {"class": "GenericError", "desc": "Cannot find device=nodevice nor node_name=nodevice"}} +{"error": {"class": "GenericError", "desc": "Cannot find device='nodevice' nor node-name='nodevice'"}} *** done diff --git a/tests/qemu-iotests/087.out b/tests/qemu-iotests/087.out index b61ba638af..e1c23a6983 100644 --- a/tests/qemu-iotests/087.out +++ b/tests/qemu-iotests/087.out @@ -17,7 +17,7 @@ Testing: -drive driver=IMGFMT,id=disk,node-name=test-node,file=TEST_DIR/t.IMGFMT QMP_VERSION {"return": {}} {"error": {"class": "GenericError", "desc": "node-name=disk is conflicting with a device id"}} -{"error": {"class": "GenericError", "desc": "Duplicate node name"}} +{"error": {"class": "GenericError", "desc": "Duplicate nodes with node-name='test-node'"}} {"return": {}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} diff --git a/tests/qemu-iotests/206.out b/tests/qemu-iotests/206.out index 5dd589d14e..b68c443867 100644 --- a/tests/qemu-iotests/206.out +++ b/tests/qemu-iotests/206.out @@ -155,7 +155,7 @@ Format specific information: {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "this doesn't exist", "size": 33554432}}} {"return": {}} -Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist +Job failed: Cannot find device='this doesn't exist' nor node-name='this doesn't exist' {"execute": "job-dismiss", "arguments": {"id": "job0"}} {"return": {}} diff --git a/tests/qemu-iotests/210.out b/tests/qemu-iotests/210.out index 2e9fc596eb..55c0844370 100644 --- a/tests/qemu-iotests/210.out +++ b/tests/qemu-iotests/210.out @@ -108,7 +108,7 @@ Format specific information: {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "this doesn't exist", "size": 67108864}}} {"return": {}} -Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist +Job failed: Cannot find device='this doesn't exist' nor node-name='this doesn't exist' {"execute": "job-dismiss", "arguments": {"id": "job0"}} {"return": {}} diff --git a/tests/qemu-iotests/211.out b/tests/qemu-iotests/211.out index b83384deea..3bc092a8a8 100644 --- a/tests/qemu-iotests/211.out +++ b/tests/qemu-iotests/211.out @@ -62,7 +62,7 @@ cluster_size: 1048576 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": "this doesn't exist", "size": 33554432}}} {"return": {}} -Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist +Job failed: Cannot find device='this doesn't exist' nor node-name='this doesn't exist' {"execute": "job-dismiss", "arguments": {"id": "job0"}} {"return": {}} diff --git a/tests/qemu-iotests/212.out b/tests/qemu-iotests/212.out index 1538d679be..8102033488 100644 --- a/tests/qemu-iotests/212.out +++ b/tests/qemu-iotests/212.out @@ -52,7 +52,7 @@ virtual size: 32 MiB (33554432 bytes) {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "this doesn't exist", "size": 33554432}}} {"return": {}} -Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist +Job failed: Cannot find device='this doesn't exist' nor node-name='this doesn't exist' {"execute": "job-dismiss", "arguments": {"id": "job0"}} {"return": {}} diff --git a/tests/qemu-iotests/213.out b/tests/qemu-iotests/213.out index be4ae85180..3cdce4d790 100644 --- a/tests/qemu-iotests/213.out +++ b/tests/qemu-iotests/213.out @@ -55,7 +55,7 @@ cluster_size: 268435456 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "this doesn't exist", "size": 33554432}}} {"return": {}} -Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist +Job failed: Cannot find device='this doesn't exist' nor node-name='this doesn't exist' {"execute": "job-dismiss", "arguments": {"id": "job0"}} {"return": {}} diff --git a/tests/qemu-iotests/223.out b/tests/qemu-iotests/223.out index bbc85289e3..083b62d053 100644 --- a/tests/qemu-iotests/223.out +++ b/tests/qemu-iotests/223.out @@ -53,7 +53,7 @@ exports available: 0 {"return": {}} {"execute":"nbd-server-add", "arguments":{"device":"nosuch"}} -{"error": {"class": "GenericError", "desc": "Cannot find device=nosuch nor node_name=nosuch"}} +{"error": {"class": "GenericError", "desc": "Cannot find device='nosuch' nor node-name='nosuch'"}} {"execute":"nbd-server-add", "arguments":{"device":"n"}} {"error": {"class": "GenericError", "desc": "Block export id 'n' is already in use"}} @@ -154,7 +154,7 @@ exports available: 0 {"return": {}} {"execute":"nbd-server-add", "arguments":{"device":"nosuch"}} -{"error": {"class": "GenericError", "desc": "Cannot find device=nosuch nor node_name=nosuch"}} +{"error": {"class": "GenericError", "desc": "Cannot find device='nosuch' nor node-name='nosuch'"}} {"execute":"nbd-server-add", "arguments":{"device":"n"}} {"error": {"class": "GenericError", "desc": "Block export id 'n' is already in use"}} diff --git a/tests/qemu-iotests/237.out b/tests/qemu-iotests/237.out index a8c800bfad..aa94986803 100644 --- a/tests/qemu-iotests/237.out +++ b/tests/qemu-iotests/237.out @@ -85,7 +85,7 @@ Format specific information: {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "file": "this doesn't exist", "size": 33554432}}} {"return": {}} -Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist +Job failed: Cannot find device='this doesn't exist' nor node-name='this doesn't exist' {"execute": "job-dismiss", "arguments": {"id": "job0"}} {"return": {}} diff --git a/tests/qemu-iotests/245 b/tests/qemu-iotests/245 index cfdeb902be..f8eba7719a 100755 --- a/tests/qemu-iotests/245 +++ b/tests/qemu-iotests/245 @@ -187,8 +187,8 @@ class TestBlockdevReopen(iotests.QMPTestCase): self.reopen(opts, {'backing': backing_node_name}) # We can't use a non-existing or empty (non-NULL) node as the backing image - self.reopen(opts, {'backing': 'not-found'}, "Cannot find device= nor node_name=not-found") - self.reopen(opts, {'backing': ''}, "Cannot find device= nor node_name=") + self.reopen(opts, {'backing': 'not-found'}, "Cannot find device=\'\' nor node-name=\'not-found\'") + self.reopen(opts, {'backing': ''}, "Cannot find device=\'\' nor node-name=\'\'") # We can reopen the image just fine if we specify the backing options opts['backing'] = {'driver': iotests.imgfmt, diff --git a/tests/qemu-iotests/249.out b/tests/qemu-iotests/249.out index 92ec81db03..d2bf9be85e 100644 --- a/tests/qemu-iotests/249.out +++ b/tests/qemu-iotests/249.out @@ -18,7 +18,7 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t. 'filter-node-name': '1234'}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "job0"}} {"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "job0"}} -{"error": {"class": "GenericError", "desc": "Invalid node name"}} +{"error": {"class": "GenericError", "desc": "Invalid node-name: '1234'"}} === Send a write command to a drive opened in read-only mode (2) diff --git a/tests/qemu-iotests/300 b/tests/qemu-iotests/300 index 63036f6a6e..0f278731ce 100755 --- a/tests/qemu-iotests/300 +++ b/tests/qemu-iotests/300 @@ -189,8 +189,8 @@ class TestAliasMigration(TestDirtyBitmapMigration): # Check for error message on the destination if self.src_node_name != self.dst_node_name: self.verify_dest_error(f"Cannot find " - f"device={self.src_node_name} nor " - f"node_name={self.src_node_name}") + f"device='{self.src_node_name}' nor " + f"node-name='{self.src_node_name}'") else: self.verify_dest_error(None)