block: auto-generated node-names

If a node-name is not specified, automatically generate the node-name.

Generated node-names will use the "block" sub-system identifier.

Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

8 files changed, 20 insertions, 7 deletions

diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041
index 59c1a762a2..05b5962cee 100755
--- a/tests/qemu-iotests/041
+++ b/tests/qemu-iotests/041
@@ -780,7 +780,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         # here we check that the last registered quorum file has not been
         # swapped out and unref
         result = self.vm.qmp('query-named-block-nodes')
-        self.assert_qmp(result, 'return[0]/file', quorum_img3)
+        self.assert_qmp(result, 'return[1]/file', quorum_img3)
         self.vm.shutdown()
 
     def test_cancel_after_ready(self):
@@ -799,7 +799,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         result = self.vm.qmp('query-named-block-nodes')
         # here we check that the last registered quorum file has not been
         # swapped out and unref
-        self.assert_qmp(result, 'return[0]/file', quorum_img3)
+        self.assert_qmp(result, 'return[1]/file', quorum_img3)
         self.vm.shutdown()
         self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img),
                         'target image does not match source after mirroring')
diff --git a/tests/qemu-iotests/051 b/tests/qemu-iotests/051
index 4a8055b673..17dbf04af4 100755
--- a/tests/qemu-iotests/051
+++ b/tests/qemu-iotests/051
@@ -108,7 +108,8 @@ echo
 echo === Overriding backing file ===
 echo
 
-echo "info block" | run_qemu -drive file="$TEST_IMG",driver=qcow2,backing.file.filename="$TEST_IMG.orig" -nodefaults
+echo "info block" | run_qemu -drive file="$TEST_IMG",driver=qcow2,backing.file.filename="$TEST_IMG.orig" -nodefaults\
+                  | _filter_generated_node_ids
 
 # Drivers that don't support backing files
 run_qemu -drive file="$TEST_IMG",driver=raw,backing.file.filename="$TEST_IMG.orig"
diff --git a/tests/qemu-iotests/051.out b/tests/qemu-iotests/051.out
index 0429be296c..7765aa0bb2 100644
--- a/tests/qemu-iotests/051.out
+++ b/tests/qemu-iotests/051.out
@@ -59,7 +59,7 @@ QEMU X.Y.Z monitor - type 'help' for more information
 Testing: -drive file=TEST_DIR/t.qcow2,driver=qcow2,backing.file.filename=TEST_DIR/t.qcow2.orig -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo block
-ide0-hd0: TEST_DIR/t.qcow2 (qcow2)
+ide0-hd0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
     Cache mode:       writeback
     Backing file:     TEST_DIR/t.qcow2.orig (chain depth: 1)
 (qemu) qququiquit
diff --git a/tests/qemu-iotests/067 b/tests/qemu-iotests/067
index 3e9a053ef3..3788534d67 100755
--- a/tests/qemu-iotests/067
+++ b/tests/qemu-iotests/067
@@ -48,7 +48,8 @@ function do_run_qemu()
 function run_qemu()
 {
     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp | _filter_qemu \
-                          | sed -e 's/\("actual-size":\s*\)[0-9]\+/\1SIZE/g'
+                          | sed -e 's/\("actual-size":\s*\)[0-9]\+/\1SIZE/g' \
+                          | _filter_generated_node_ids
 }
 
 size=128M
diff --git a/tests/qemu-iotests/067.out b/tests/qemu-iotests/067.out
index 5fbc881b72..27ad56fe2f 100644
--- a/tests/qemu-iotests/067.out
+++ b/tests/qemu-iotests/067.out
@@ -40,6 +40,7 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk -device virti
                 },
                 "iops_wr": 0,
                 "ro": false,
+                "node-name": "NODE_NAME",
                 "backing_file_depth": 0,
                 "drv": "qcow2",
                 "iops": 0,
@@ -151,6 +152,7 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk
                 },
                 "iops_wr": 0,
                 "ro": false,
+                "node-name": "NODE_NAME",
                 "backing_file_depth": 0,
                 "drv": "qcow2",
                 "iops": 0,
@@ -270,6 +272,7 @@ Testing:
                 },
                 "iops_wr": 0,
                 "ro": false,
+                "node-name": "NODE_NAME",
                 "backing_file_depth": 0,
                 "drv": "qcow2",
                 "iops": 0,
@@ -390,6 +393,7 @@ Testing:
                 },
                 "iops_wr": 0,
                 "ro": false,
+                "node-name": "NODE_NAME",
                 "backing_file_depth": 0,
                 "drv": "qcow2",
                 "iops": 0,
@@ -480,6 +484,7 @@ Testing:
                 },
                 "iops_wr": 0,
                 "ro": false,
+                "node-name": "NODE_NAME",
                 "backing_file_depth": 0,
                 "drv": "qcow2",
                 "iops": 0,
diff --git a/tests/qemu-iotests/081 b/tests/qemu-iotests/081
index d9b042cfc7..51873ff7db 100755
--- a/tests/qemu-iotests/081
+++ b/tests/qemu-iotests/081
@@ -53,7 +53,8 @@ function do_run_qemu()
 
 function run_qemu()
 {
-    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp | _filter_qemu_io
+    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
+                          | _filter_qemu_io | _filter_generated_node_ids
 }
 
 test_quorum=$($QEMU_IMG --help|grep quorum)
diff --git a/tests/qemu-iotests/081.out b/tests/qemu-iotests/081.out
index 692c4a4343..044793dcc5 100644
--- a/tests/qemu-iotests/081.out
+++ b/tests/qemu-iotests/081.out
@@ -30,7 +30,7 @@ Testing: -drive file=TEST_DIR/2.IMGFMT,format=IMGFMT,if=none,id=drive2
 QMP_VERSION
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "QUORUM_REPORT_BAD", "data": {"node-name": "", "sectors-count": 20480, "sector-num": 0}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "QUORUM_REPORT_BAD", "data": {"node-name": "NODE_NAME", "sectors-count": 20480, "sector-num": 0}}
 read 10485760/10485760 bytes at offset 0
 10 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": ""}
diff --git a/tests/qemu-iotests/common.filter b/tests/qemu-iotests/common.filter
index d6d05de2da..cfdb6338aa 100644
--- a/tests/qemu-iotests/common.filter
+++ b/tests/qemu-iotests/common.filter
@@ -128,6 +128,11 @@ _filter_date()
         -e 's/[A-Z][a-z][a-z] [A-z][a-z][a-z]  *[0-9][0-9]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]$/DATE/'
 }
 
+_filter_generated_node_ids()
+{
+     sed -re 's/\#block[0-9]{3,}/NODE_NAME/'
+}
+
 # replace occurrences of the actual TEST_DIR value with TEST_DIR
 _filter_testdir()
 {