On 10/09/2013 03:32 PM, Michal Privoznik wrote:
This configuration knob is there to override default listen address
for
-incoming for all qemu domains.
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
src/qemu/libvirtd_qemu.aug | 3 +++
src/qemu/qemu.conf | 6 ++++++
src/qemu/qemu_conf.c | 2 ++
src/qemu/qemu_conf.h | 3 +++
src/qemu/qemu_driver.c | 7 +++++++
src/qemu/test_libvirtd_qemu.aug.in | 1 +
6 files changed, 22 insertions(+)
diff --git a/src/qemu/libvirtd_qemu.aug b/src/qemu/libvirtd_qemu.aug
index cd13d53..591d78d 100644
--- a/src/qemu/libvirtd_qemu.aug
+++ b/src/qemu/libvirtd_qemu.aug
@@ -78,6 +78,8 @@ module Libvirtd_qemu =
| int_entry "keepalive_interval"
| int_entry "keepalive_count"
+ let network_entry = str_entry "migration_address"
+
(* Each entry in the config is one of the following ... *)
let entry = vnc_entry
| spice_entry
@@ -88,6 +90,7 @@ module Libvirtd_qemu =
| process_entry
| device_entry
| rpc_entry
+ | network_entry
let comment = [ label "#comment" . del /#[ \t]*/ "# " . store
/([^ \t\n][^\n]*)?/ . del /\n/ "\n" ]
let empty = [ label "#empty" . eol ]
diff --git a/src/qemu/qemu.conf b/src/qemu/qemu.conf
index 5fd6263..4403aaf 100644
--- a/src/qemu/qemu.conf
+++ b/src/qemu/qemu.conf
@@ -424,3 +424,9 @@
# Defaults to -1.
#
#seccomp_sandbox = 1
+
+
+
+# Override the listen address for all incoming migrations. Defaults to
+# 0.0.0.0 or :: in case if both host and qemu are capable of IPv6.
+#migration_address = "127.0.0.1"
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 1a41caf..16a0b92 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -546,6 +546,8 @@ int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg,
GET_VALUE_LONG("seccomp_sandbox", cfg->seccompSandbox);
+ GET_VALUE_STR("migration_address", cfg->migrationAddress);
+
ret = 0;
cleanup:
diff --git a/src/qemu/qemu_conf.h b/src/qemu/qemu_conf.h
index da29a2a..40adfce 100644
--- a/src/qemu/qemu_conf.h
+++ b/src/qemu/qemu_conf.h
@@ -155,6 +155,9 @@ struct _virQEMUDriverConfig {
unsigned int keepAliveCount;
int seccompSandbox;
+
+ /* The default for -incoming */
+ char *migrationAddress;
};
/* Main driver state */
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index e12a1de..7d87b2d 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -10264,6 +10264,7 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
unsigned int flags)
{
virQEMUDriverPtr driver = dconn->privateData;
+ virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
You'll leak a reference to cfg if @flags or @params are invalid.
virDomainDefPtr def = NULL;
const char *dom_xml = NULL;
const char *dname = NULL;
@@ -10306,6 +10307,11 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
if (virDomainMigratePrepare3ParamsEnsureACL(dconn, def) < 0)
goto cleanup;
+ /* If no listenAddress has been passed via @params,
+ * use the one from qemu.conf */
+ if (!listenAddress)
+ listenAddress = cfg->migrationAddress;
+
You can initialize listenAddress to this instead of NULL.
ACK with the leak fixed.