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From 042cf4d53a2422d998e6715a6c914f61cb345bb9 Mon Sep 17 00:00:00 2001
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Message-Id: <042cf4d53a2422d998e6715a6c914f61cb345bb9@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Tue, 20 Jun 2017 10:22:42 +0200
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Subject: [PATCH] util: storage: adapt to changes in JSON format for NBD
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Since 2.9 the host and port for NBD are no longer directly under the
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json pseudo-protocol object, but rather belong to a sub-object called
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'server'.
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(cherry picked from commit 35d23f90b2266adb93079755161515699a401932)
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https://bugzilla.redhat.com/show_bug.cgi?id=1461638
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
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---
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 src/util/virstoragefile.c | 28 +++++++++++++++++-----------
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 tests/virstoragetest.c    | 11 +++++++++++
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 2 files changed, 28 insertions(+), 11 deletions(-)
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diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
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index 945c3e4198..ef3050711b 100644
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--- a/src/util/virstoragefile.c
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+++ b/src/util/virstoragefile.c
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@@ -3019,11 +3019,12 @@ virStorageSourceParseBackingJSONNbd(virStorageSourcePtr src,
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     const char *host = virJSONValueObjectGetString(json, "host");
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     const char *port = virJSONValueObjectGetString(json, "port");
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     const char *export = virJSONValueObjectGetString(json, "export");
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+    virJSONValuePtr server = virJSONValueObjectGetObject(json, "server");
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-    if (!path && !host) {
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+    if (!path && !host && !server) {
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         virReportError(VIR_ERR_INVALID_ARG, "%s",
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-                       _("missing path or host of NBD server in JSON backing "
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-                         "volume definition"));
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+                       _("missing host specification of NBD server in JSON "
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+                         "backing volume definition"));
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         return -1;
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     }
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@@ -3037,17 +3038,22 @@ virStorageSourceParseBackingJSONNbd(virStorageSourcePtr src,
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         return -1;
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     src->nhosts = 1;
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-    if (path) {
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-        src->hosts[0].transport = VIR_STORAGE_NET_HOST_TRANS_UNIX;
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-        if (VIR_STRDUP(src->hosts[0].socket, path) < 0)
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+    if (server) {
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+        if (virStorageSourceParseBackingJSONSocketAddress(src->hosts, server) < 0)
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             return -1;
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     } else {
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-        src->hosts[0].transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
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-        if (VIR_STRDUP(src->hosts[0].name, host) < 0)
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-            return -1;
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+        if (path) {
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+            src->hosts[0].transport = VIR_STORAGE_NET_HOST_TRANS_UNIX;
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+            if (VIR_STRDUP(src->hosts[0].socket, path) < 0)
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+                return -1;
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+        } else {
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+            src->hosts[0].transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
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+            if (VIR_STRDUP(src->hosts[0].name, host) < 0)
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+                return -1;
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-        if (VIR_STRDUP(src->hosts[0].port, port) < 0)
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-            return -1;
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+            if (VIR_STRDUP(src->hosts[0].port, port) < 0)
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+                return -1;
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+        }
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     }
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     return 0;
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diff --git a/tests/virstoragetest.c b/tests/virstoragetest.c
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index 294e1f6ffb..54f7c849c5 100644
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--- a/tests/virstoragetest.c
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+++ b/tests/virstoragetest.c
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@@ -1471,6 +1471,17 @@ mymain(void)
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                        "<source protocol='nbd' name='blah'>\n"
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                        "  <host name='example.org' port='6000'/>\n"
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                        "</source>\n");
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+    TEST_BACKING_PARSE("json:{\"file\":{\"driver\":\"nbd\","
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+                                       "\"export\":\"blah\","
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+                                       "\"server\": { \"type\":\"inet\","
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+                                                     "\"host\":\"example.org\","
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+                                                     "\"port\":\"6000\""
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+                                                   "}"
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+                                      "}"
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+                            "}",
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+                       "<source protocol='nbd' name='blah'>\n"
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+                       "  <host name='example.org' port='6000'/>\n"
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+                       "</source>\n");
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     TEST_BACKING_PARSE("json:{\"file\":{\"driver\":\"ssh\","
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                                        "\"host\":\"example.org\","
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                                        "\"port\":\"6000\","
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-- 
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2.13.1
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