block/ssh: Implement .bdrv_refresh_filename()

This requires some changes to keep iotests 104 and 207 working.

qemu-img info in 104 will now return a filename including the user name
and the port, which need to be filtered by adjusting REMOTE_TEST_DIR in
common.rc.  This additional information has to be marked optional,
however (which is simple as REMOTE_TEST_DIR is a regex), because
otherwise 197 and 215 would fail: They use it (indirectly) to filter
qemu-img create output which contains a backing filename they have
passed to it -- which probably does not contain a user name or port
number.

The problem in 207 is a nice one to have: qemu-img info used to return
json:{} filenames, but with this patch it returns nice plain ones.  We
now need to adjust the filtering to hide the user name (and port number
while we are at it).  The simplest way to do this is to include both in
iotests.remote_filename() so that bdrv_refresh_filename() will not
change it, and then iotests.img_info_log() will filter it correctly
automatically.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Message-id: 20190225190828.17726-2-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>

4 files changed, 12 insertions, 12 deletions

diff --git a/tests/qemu-iotests/207 b/tests/qemu-iotests/207
index dfd3c51..b381613 100755
--- a/tests/qemu-iotests/207
+++ b/tests/qemu-iotests/207
@@ -66,7 +66,7 @@ with iotests.FilePath('t.img') as disk_path, \
                           'size': 4194304 })
     vm.shutdown()
 
-    iotests.img_info_log(remote_path, filter_path=disk_path)
+    iotests.img_info_log(remote_path)
     iotests.log("")
     iotests.img_info_log(disk_path)
 
@@ -91,7 +91,7 @@ with iotests.FilePath('t.img') as disk_path, \
                           'size': 8388608 })
     vm.shutdown()
 
-    iotests.img_info_log(remote_path, filter_path=disk_path)
+    iotests.img_info_log(remote_path)
 
     vm.launch()
     blockdev_create(vm, { 'driver': 'ssh',
@@ -108,7 +108,7 @@ with iotests.FilePath('t.img') as disk_path, \
                           'size': 4194304 })
     vm.shutdown()
 
-    iotests.img_info_log(remote_path, filter_path=disk_path)
+    iotests.img_info_log(remote_path)
 
     md5_key = subprocess.check_output(
         'ssh-keyscan -t rsa 127.0.0.1 2>/dev/null | grep -v "\\^#" | ' +
@@ -146,7 +146,7 @@ with iotests.FilePath('t.img') as disk_path, \
                           'size': 8388608 })
     vm.shutdown()
 
-    iotests.img_info_log(remote_path, filter_path=disk_path)
+    iotests.img_info_log(remote_path)
 
     sha1_key = subprocess.check_output(
         'ssh-keyscan -t rsa 127.0.0.1 2>/dev/null | grep -v "\\^#" | ' +
@@ -184,7 +184,7 @@ with iotests.FilePath('t.img') as disk_path, \
                           'size': 4194304 })
     vm.shutdown()
 
-    iotests.img_info_log(remote_path, filter_path=disk_path)
+    iotests.img_info_log(remote_path)
 
     #
     # Invalid path and user
diff --git a/tests/qemu-iotests/207.out b/tests/qemu-iotests/207.out
index 979d5cf..ec98237 100644
--- a/tests/qemu-iotests/207.out
+++ b/tests/qemu-iotests/207.out
@@ -5,7 +5,7 @@
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-image: json:{"driver": "IMGFMT", "file": {"server.host": "127.0.0.1", "server.port": "22", "driver": "ssh", "path": "TEST_IMG"}}
+image: TEST_IMG
 file format: IMGFMT
 virtual size: 4 MiB (4194304 bytes)
 
@@ -21,7 +21,7 @@ virtual size: 4 MiB (4194304 bytes)
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-image: json:{"driver": "IMGFMT", "file": {"server.host": "127.0.0.1", "server.port": "22", "driver": "ssh", "path": "TEST_IMG"}}
+image: TEST_IMG
 file format: IMGFMT
 virtual size: 8 MiB (8388608 bytes)
 
@@ -30,7 +30,7 @@ virtual size: 8 MiB (8388608 bytes)
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-image: json:{"driver": "IMGFMT", "file": {"server.host": "127.0.0.1", "server.port": "22", "driver": "ssh", "path": "TEST_IMG"}}
+image: TEST_IMG
 file format: IMGFMT
 virtual size: 4 MiB (4194304 bytes)
 
@@ -45,7 +45,7 @@ Job failed: remote host key does not match host_key_check 'wrong'
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-image: json:{"driver": "IMGFMT", "file": {"server.host": "127.0.0.1", "server.port": "22", "driver": "ssh", "path": "TEST_IMG"}}
+image: TEST_IMG
 file format: IMGFMT
 virtual size: 8 MiB (8388608 bytes)
 
@@ -60,7 +60,7 @@ Job failed: remote host key does not match host_key_check 'wrong'
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-image: json:{"driver": "IMGFMT", "file": {"server.host": "127.0.0.1", "server.port": "22", "driver": "ssh", "path": "TEST_IMG"}}
+image: TEST_IMG
 file format: IMGFMT
 virtual size: 4 MiB (4194304 bytes)
 
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index a543e54..93f8738 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -158,7 +158,7 @@ else
         TEST_IMG="nbd:127.0.0.1:10810"
     elif [ "$IMGPROTO" = "ssh" ]; then
         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
-        REMOTE_TEST_DIR="ssh://127.0.0.1$TEST_DIR"
+        REMOTE_TEST_DIR="ssh://\\($USER@\\)\\?127.0.0.1\\(:[0-9]\\+\\)\\?$TEST_DIR"
         TEST_IMG="ssh://127.0.0.1$TEST_IMG_FILE"
     elif [ "$IMGPROTO" = "nfs" ]; then
         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 997dc91..f811f69 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -411,7 +411,7 @@ def remote_filename(path):
     if imgproto == 'file':
         return path
     elif imgproto == 'ssh':
-        return "ssh://127.0.0.1%s" % (path)
+        return "ssh://%s@127.0.0.1:22%s" % (os.environ.get('USER'), path)
     else:
         raise Exception("Protocol %s not supported" % (imgproto))