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[libvirt] [PATCH] Add support for firewalld
by Thomas Woerner 24 Apr '12

24 Apr '12

Add support for firewalld * bridge_driver, nwfilter_driver: new dbus filters to get FirewallD1.Reloaded signal and DBus.NameOwnerChanged on org.fedoraproject.FirewallD1 * iptables, ebtables, nwfilter_ebiptables_driver: use firewall-cmd direct passthrough interface --- configure.ac | 9 ++++++ src/Makefile.am | 8 ++--- src/network/bridge_driver.c | 50 +++++++++++++++++++++++++++++ src/nwfilter/nwfilter_driver.c | 49 ++++++++++++++++++++++++++++ src/nwfilter/nwfilter_ebiptables_driver.c | 27 ++++++++++++++++ src/util/ebtables.c | 32 ++++++++++++++++++ src/util/iptables.c | 25 ++++++++++++--- 7 files changed, 192 insertions(+), 8 deletions(-) diff --git a/configure.ac b/configure.ac index 89fe818..41d9371 100644 --- a/configure.ac +++ b/configure.ac @@ -1191,6 +1191,15 @@ AM_CONDITIONAL([HAVE_POLKIT1], [test "x$with_polkit1" = "xyes"]) AC_SUBST([POLKIT_CFLAGS]) AC_SUBST([POLKIT_LIBS]) +dnl firewalld +AC_ARG_WITH([firewalld], + AC_HELP_STRING([--with-firewalld], [enable firewalld support])) +if test "x$with_firewalld" = "xyes" ; then + AC_DEFINE_UNQUOTED([HAVE_FIREWALLD], [1], [whether firewalld support is enabled]) +fi +AM_CONDITIONAL([HAVE_FIREWALLD], [test "x$with_firewalld" = "xyes"]) + + dnl Avahi library AC_ARG_WITH([avahi], AC_HELP_STRING([--with-avahi], [use avahi to advertise remote daemon @<:@default=check@:>@]), diff --git a/src/Makefile.am b/src/Makefile.am index e48dfa5..e60a8af 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -941,9 +941,9 @@ noinst_LTLIBRARIES += libvirt_driver_network.la #libvirt_la_BUILT_LIBADD += libvirt_driver_network.la endif libvirt_driver_network_la_CFLAGS = \ - -I$(top_srcdir)/src/conf $(AM_CFLAGS) + -I$(top_srcdir)/src/conf $(AM_CFLAGS) $(DBUS_CFLAGS) if WITH_DRIVER_MODULES -libvirt_driver_network_la_LIBADD = ../gnulib/lib/libgnu.la +libvirt_driver_network_la_LIBADD = ../gnulib/lib/libgnu.la $(DBUS_LIBS) libvirt_driver_network_la_LDFLAGS = -module -avoid-version $(AM_LDFLAGS) endif libvirt_driver_network_la_SOURCES = $(NETWORK_DRIVER_SOURCES) @@ -1086,9 +1086,9 @@ libvirt_la_BUILT_LIBADD += libvirt_driver_nwfilter.la noinst_LTLIBRARIES += libvirt_driver_nwfilter.la endif libvirt_driver_nwfilter_la_CFLAGS = $(LIBPCAP_CFLAGS) \ - -I$(top_srcdir)/src/conf $(AM_CFLAGS) + -I$(top_srcdir)/src/conf $(AM_CFLAGS) $(DBUS_CFLAGS) libvirt_driver_nwfilter_la_LDFLAGS = $(LD_AMFLAGS) -libvirt_driver_nwfilter_la_LIBADD = $(LIBPCAP_LIBS) +libvirt_driver_nwfilter_la_LIBADD = $(LIBPCAP_LIBS) $(DBUS_LIBS) if WITH_DRIVER_MODULES libvirt_driver_nwfilter_la_LIBADD += ../gnulib/lib/libgnu.la libvirt_driver_nwfilter_la_LDFLAGS += -module -avoid-version diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c index d82212f..094bbae 100644 --- a/src/network/bridge_driver.c +++ b/src/network/bridge_driver.c @@ -63,6 +63,11 @@ #include "virnetdevbridge.h" #include "virnetdevtap.h" +#if HAVE_FIREWALLD +#include "virdbus.h" +#include "logging.h" +#endif + #define NETWORK_PID_DIR LOCALSTATEDIR "/run/libvirt/network" #define NETWORK_STATE_DIR LOCALSTATEDIR "/lib/libvirt/network" @@ -253,6 +258,24 @@ networkAutostartConfigs(struct network_driver *driver) { } } +#if HAVE_FIREWALLD +static DBusHandlerResult +firewalld_dbus_filter_bridge(DBusConnection *connection ATTRIBUTE_UNUSED, DBusMessage *message, void *user_data) { + struct network_driver *_driverState = (struct network_driver *) user_data; + + if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, + "NameOwnerChanged") || + dbus_message_is_signal(message, "org.fedoraproject.FirewallD1", + "Reloaded")) + { + VIR_DEBUG("Reload in bridge_driver because of firewalld."); + networkReloadIptablesRules(_driverState); + } + + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; +} +#endif + /** * networkStartup: * @@ -262,6 +285,9 @@ static int networkStartup(int privileged) { uid_t uid = geteuid(); char *base = NULL; +#ifdef HAVE_FIREWALLD + DBusConnection *sysbus = NULL; +#endif if (VIR_ALLOC(driverState) < 0) goto error; @@ -326,6 +352,30 @@ networkStartup(int privileged) { networkDriverUnlock(driverState); +#ifdef HAVE_FIREWALLD + if (!(sysbus = virDBusGetSystemBus())) { + virErrorPtr err = virGetLastError(); + VIR_WARN("DBus not available, disabling firewalld support in bridge_driver: %s", err->message); + } else { + /* add matches for + * NameOwnerChanged on org.freedesktop.DBus for firewalld start/stop + * Reloaded on org.fedoraproject.FirewallD1 for firewalld reload + */ + dbus_bus_add_match(sysbus, + "type='signal'" + ",interface='"DBUS_INTERFACE_DBUS"'" + ",member='NameOwnerChanged'" + ",arg0='org.fedoraproject.FirewallD1'", + NULL); + dbus_bus_add_match(sysbus, + "type='signal'" + ",interface='org.fedoraproject.FirewallD1'" + ",member='Reloaded'", + NULL); + dbus_connection_add_filter(sysbus, firewalld_dbus_filter_bridge, (void *)driverState, NULL); + } +#endif + return 0; out_of_memory: diff --git a/src/nwfilter/nwfilter_driver.c b/src/nwfilter/nwfilter_driver.c index ffb4b5d..da9f4a0 100644 --- a/src/nwfilter/nwfilter_driver.c +++ b/src/nwfilter/nwfilter_driver.c @@ -27,6 +27,11 @@ #include <config.h> +#if HAVE_FIREWALLD +#include "virdbus.h" +#include "logging.h" +#endif + #include "internal.h" #include "virterror_internal.h" @@ -47,6 +52,8 @@ static virNWFilterDriverStatePtr driverState; static int nwfilterDriverShutdown(void); +static int nwfilterDriverReload(void); + static void nwfilterDriverLock(virNWFilterDriverStatePtr driver) { virMutexLock(&driver->lock); @@ -57,6 +64,22 @@ static void nwfilterDriverUnlock(virNWFilterDriverStatePtr driver) } +#if HAVE_FIREWALLD +static DBusHandlerResult +firewalld_dbus_filter_nwfilter(DBusConnection *connection ATTRIBUTE_UNUSED, DBusMessage *message, void *user_data ATTRIBUTE_UNUSED) { + if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, + "NameOwnerChanged") || + dbus_message_is_signal(message, "org.fedoraproject.FirewallD1", + "Reloaded")) + { + VIR_DEBUG("Reload in nwfilter_driver because of firewalld."); + nwfilterDriverReload(); + } + + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; +} +#endif + /** * virNWFilterStartup: * @@ -66,6 +89,32 @@ static int nwfilterDriverStartup(int privileged) { char *base = NULL; +#ifdef HAVE_FIREWALLD + DBusConnection *sysbus = NULL; + + if (!(sysbus = virDBusGetSystemBus())) { + virErrorPtr err = virGetLastError(); + VIR_WARN("DBus not available, disabling firewalld support in nwfilter_driver: %s", err->message); + } else { + /* add matches for + * NameOwnerChanged on org.freedesktop.DBus for firewalld start/stop + * Reloaded on org.fedoraproject.FirewallD1 for firewalld reload + */ + dbus_bus_add_match(sysbus, + "type='signal'" + ",interface='"DBUS_INTERFACE_DBUS"'" + ",member='NameOwnerChanged'" + ",arg0='org.fedoraproject.FirewallD1'", + NULL); + dbus_bus_add_match(sysbus, + "type='signal'" + ",interface='org.fedoraproject.FirewallD1'" + ",member='Reloaded'", + NULL); + dbus_connection_add_filter(sysbus, firewalld_dbus_filter_nwfilter, NULL, NULL); + } +#endif + if (virNWFilterLearnInit() < 0) return -1; diff --git a/src/nwfilter/nwfilter_ebiptables_driver.c b/src/nwfilter/nwfilter_ebiptables_driver.c index 8e4436f..0cd047a 100644 --- a/src/nwfilter/nwfilter_ebiptables_driver.c +++ b/src/nwfilter/nwfilter_ebiptables_driver.c @@ -4051,6 +4051,7 @@ ebiptablesDriverInit(bool privileged) { virBuffer buf = VIR_BUFFER_INITIALIZER; char *errmsg = NULL; + char *firewall_cmd_path = NULL; if (!privileged) return 0; @@ -4061,6 +4062,30 @@ ebiptablesDriverInit(bool privileged) gawk_cmd_path = virFindFileInPath("gawk"); grep_cmd_path = virFindFileInPath("grep"); + firewall_cmd_path = virFindFileInPath("firewall-cmd"); + if (firewall_cmd_path) { + virBufferAsprintf(&buf, "IPT=%s\n", firewall_cmd_path); + /* basic probing */ + virBufferAsprintf(&buf, + CMD_DEF("$IPT --state") CMD_SEPARATOR + CMD_EXEC + "%s", + CMD_STOPONERR(1)); + + if (ebiptablesExecCLI(&buf, NULL, NULL) >= 0) { + VIR_DEBUG("Using firewall-cmd in nwfilter_ebiptables_driver."); + ebtables_cmd_path = NULL; + iptables_cmd_path = NULL; + ip6tables_cmd_path = NULL; + virAsprintf(&ebtables_cmd_path, "%s --direct --passthrough eb", firewall_cmd_path); + virAsprintf(&iptables_cmd_path, "%s --direct --passthrough ipv4", firewall_cmd_path); + virAsprintf(&ip6tables_cmd_path, "%s --direct --passthrough ipv6", firewall_cmd_path); + } + VIR_FREE(firewall_cmd_path); + } + if (ebtables_cmd_path == NULL || iptables_cmd_path == NULL || + ip6tables_cmd_path == NULL) { + ebtables_cmd_path = virFindFileInPath("ebtables"); if (ebtables_cmd_path) { NWFILTER_SET_EBTABLES_SHELLVAR(&buf); @@ -4099,6 +4124,8 @@ ebiptablesDriverInit(bool privileged) VIR_WARN("Could not find 'iptables' executable"); } + } + ip6tables_cmd_path = virFindFileInPath("ip6tables"); if (ip6tables_cmd_path) { NWFILTER_SET_IP6TABLES_SHELLVAR(&buf); diff --git a/src/util/ebtables.c b/src/util/ebtables.c index dcb3eb9..b7773ea 100644 --- a/src/util/ebtables.c +++ b/src/util/ebtables.c @@ -176,11 +176,34 @@ ebtablesAddRemoveRule(ebtRules *rules, int action, const char *arg, ...) const char *s; int n, command_idx; +#if HAVE_FIREWALLD + int ret; + char *firewall_cmd_path = NULL; + virCommandPtr cmd = NULL; + + firewall_cmd_path = virFindFileInPath("firewall-cmd"); + if (firewall_cmd_path) { + cmd = virCommandNew(firewall_cmd_path); + virCommandAddArgList(cmd, "--state", NULL); + ret = virCommandRun(cmd, NULL); + if (ret != 0) { + VIR_FREE(firewall_cmd_path); + firewall_cmd_path = NULL; + } + virCommandFree(cmd); + } +#endif + n = 1 + /* /sbin/ebtables */ 2 + /* --table foo */ 2 + /* --insert bar */ 1; /* arg */ +#if HAVE_FIREWALLD + if (firewall_cmd_path) + n += 3; /* --direct --passthrough eb */ +#endif + va_start(args, arg); while (va_arg(args, const char *)) n++; @@ -192,6 +215,15 @@ ebtablesAddRemoveRule(ebtRules *rules, int action, const char *arg, ...) n = 0; +#if HAVE_FIREWALLD + if (firewall_cmd_path) { + if (!(argv[n++] = strdup(firewall_cmd_path))) + goto error; + argv[n++] = strdup("--direct"); + argv[n++] = strdup("--passthrough"); + argv[n++] = strdup("eb"); + } else +#endif if (!(argv[n++] = strdup(EBTABLES_PATH))) goto error; diff --git a/src/util/iptables.c b/src/util/iptables.c index 3023900..0cb3293 100644 --- a/src/util/iptables.c +++ b/src/util/iptables.c @@ -104,11 +104,28 @@ iptablesAddRemoveRule(iptRules *rules, int family, int action, { va_list args; int ret; - virCommandPtr cmd; + virCommandPtr cmd = NULL; const char *s; - - cmd = virCommandNew((family == AF_INET6) - ? IP6TABLES_PATH : IPTABLES_PATH); + char *firewall_cmd_path = NULL; + +#if HAVE_FIREWALLD + firewall_cmd_path = virFindFileInPath("firewall-cmd"); + if (firewall_cmd_path) { + cmd = virCommandNew(firewall_cmd_path); + virCommandAddArgList(cmd, "--state", NULL); + ret = virCommandRun(cmd, NULL); + if (ret == 0) { + cmd = virCommandNew(firewall_cmd_path); + virCommandAddArgList(cmd, "--direct", "--passthrough", + (family == AF_INET6) ? "ipv6" : "ipv4", NULL); + } else + cmd = NULL; + VIR_FREE(firewall_cmd_path); + } + if (!cmd) +#endif + cmd = virCommandNew((family == AF_INET6) + ? IP6TABLES_PATH : IPTABLES_PATH); virCommandAddArgList(cmd, "--table", rules->table, action == ADD ? "--insert" : "--delete", -- 1.7.10

3 7

[libvirt] [PATCH] keepalive: Add ability to disable keepalive messages
by Peter Krempa 24 Apr '12

24 Apr '12

The docs for virConnectSetKeepAlive() advertise that this function should be able to disable keepalives on negative or zero interval time. This patch removes the check that prohibited this and adds code to disable keepalives on negative/zero interval. * src/libvirt.c: virConnectSetKeepAlive(): - remove check for negative values * src/rpc/virnetclient.c * src/rpc/virnetclient.h: - add virNetClientKeepAliveStop() to disable keepalive messages * src/remote/remote_driver.c: remoteSetKeepAlive(): -add ability to disable keepalives --- src/libvirt.c | 6 ------ src/remote/remote_driver.c | 7 ++++++- src/rpc/virnetclient.c | 8 ++++++++ src/rpc/virnetclient.h | 2 ++ 4 files changed, 16 insertions(+), 7 deletions(-) diff --git a/src/libvirt.c b/src/libvirt.c index af42d3b..3f043e1 100644 --- a/src/libvirt.c +++ b/src/libvirt.c @@ -18452,12 +18452,6 @@ int virConnectSetKeepAlive(virConnectPtr conn, return -1; } - if (interval <= 0) { - virLibConnError(VIR_ERR_INVALID_ARG, - _("negative or zero interval make no sense")); - goto error; - } - if (conn->driver->setKeepAlive) { ret = conn->driver->setKeepAlive(conn, interval, count); if (ret < 0) diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c index af46384..7863b73 100644 --- a/src/remote/remote_driver.c +++ b/src/remote/remote_driver.c @@ -4631,7 +4631,12 @@ remoteSetKeepAlive(virConnectPtr conn, int interval, unsigned int count) goto cleanup; } - ret = virNetClientKeepAliveStart(priv->client, interval, count); + if (interval > 0) { + ret = virNetClientKeepAliveStart(priv->client, interval, count); + } else { + virNetClientKeepAliveStop(priv->client); + ret = 0; + } cleanup: remoteDriverUnlock(priv); diff --git a/src/rpc/virnetclient.c b/src/rpc/virnetclient.c index 33b7701..2629c14 100644 --- a/src/rpc/virnetclient.c +++ b/src/rpc/virnetclient.c @@ -248,6 +248,14 @@ virNetClientKeepAliveStart(virNetClientPtr client, return ret; } +void +virNetClientKeepAliveStop(virNetClientPtr client) +{ + virNetClientLock(client); + virKeepAliveStop(client->keepalive); + virNetClientUnlock(client); +} + static void virNetClientKeepAliveDeadCB(void *opaque) { diff --git a/src/rpc/virnetclient.h b/src/rpc/virnetclient.h index 7c30d2b..13b4f96 100644 --- a/src/rpc/virnetclient.h +++ b/src/rpc/virnetclient.h @@ -104,4 +104,6 @@ int virNetClientKeepAliveStart(virNetClientPtr client, int interval, unsigned int count); +void virNetClientKeepAliveStop(virNetClientPtr client); + #endif /* __VIR_NET_CLIENT_H__ */ -- 1.7.3.4

2 1

[libvirt] [PATCH] fix memleak in linuxParseCPUmap
by Hu Tao 24 Apr '12

24 Apr '12

--- src/nodeinfo.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/src/nodeinfo.c b/src/nodeinfo.c index 7e993a9..e842474 100644 --- a/src/nodeinfo.c +++ b/src/nodeinfo.c @@ -605,6 +605,7 @@ linuxParseCPUmap(int *max_cpuid, const char *path) } *max_cpuid = max_id; + VIR_FREE(str); return map; error: -- 1.7.1

2 1

[libvirt] [PATCH 0/5] -no-user-config option, move CPU models to /usr/share
by Eduardo Habkost 24 Apr '12

24 Apr '12

This is the first try of the new -no-user-config option. Patches 1 to 3 just move some code around, patch 4 just adds the new option without adding any new config file. Patch 5 finally creates a /usr/share/qemu /cpus-x86_64.conf file, with the CPU models we currently have on Qemu. Reference to previous discussion: - http://marc.info/?l=qemu-devel&m=133278877315665 This series depends on the following: Subject: [PATCH v5 00/14] configure: --with-confsuffix option Message-Id: <1334778950-18660-1-git-send-email-ehabkost(a)redhat.com> Eduardo Habkost (5): move code to read default config files to a separate function eliminate arch_config_name variable move list of default config files to an array implement -no-user-config command-line option move CPU definitions to /usr/share/qemu/cpus-x86_64.conf Makefile | 12 +++- arch_init.c | 31 ++++++++- arch_init.h | 6 +- qemu-options.hx | 16 ++++- sysconfigs/target/cpus-x86_64.conf | 128 ++++++++++++++++++++++++++++++++++ sysconfigs/target/target-x86_64.conf | 128 ---------------------------------- vl.c | 14 ++-- 7 files changed, 190 insertions(+), 145 deletions(-) create mode 100644 sysconfigs/target/cpus-x86_64.conf -- 1.7.3.2

3 7

[libvirt] [PATCH v2] Improve on virAtomic implementation
by Stefan Berger 24 Apr '12

24 Apr '12

This patch improves the previously added virAtomicInt implementation by using gcc-builtins if possible. The needed builtins are available since GCC >= 4.1. At least the 4.0 docs don't mention them. --- src/util/viratomic.h | 95 ++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 79 insertions(+), 16 deletions(-) Index: libvirt-acl/src/util/viratomic.h =================================================================== --- libvirt-acl.orig/src/util/viratomic.h +++ libvirt-acl/src/util/viratomic.h @@ -30,6 +30,29 @@ typedef struct _virAtomicInt virAtomicInt; typedef virAtomicInt *virAtomicIntPtr; +# define __VIR_ATOMIC_USES_LOCK + +# if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 1)) || (__GNUC__ > 4) +# undef __VIR_ATOMIC_USES_LOCK +# endif + +static inline int virAtomicIntInit(virAtomicIntPtr vaip) + ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK; +static inline int virAtomicIntRead(virAtomicIntPtr vaip) + ATTRIBUTE_NONNULL(1); +static inline void virAtomicIntSet(virAtomicIntPtr vaip, int val) + ATTRIBUTE_NONNULL(1); +static inline int virAtomicIntAdd(virAtomicIntPtr vaip, int add) + ATTRIBUTE_NONNULL(1); +static inline int virAtomicIntSub(virAtomicIntPtr vaip, int add) + ATTRIBUTE_NONNULL(1); +static inline int virAtomicIntInc(virAtomicIntPtr vaip) + ATTRIBUTE_NONNULL(1); +static inline int virAtomicIntDec(virAtomicIntPtr vaip) + ATTRIBUTE_NONNULL(1); + +# ifdef __VIR_ATOMIC_USES_LOCK + struct _virAtomicInt { virMutex lock; int value; @@ -42,22 +65,6 @@ virAtomicIntInit(virAtomicIntPtr vaip) return virMutexInit(&vaip->lock); } -static inline void -virAtomicIntSet(virAtomicIntPtr vaip, int value) -{ - virMutexLock(&vaip->lock); - - vaip->value = value; - - virMutexUnlock(&vaip->lock); -} - -static inline int -virAtomicIntRead(virAtomicIntPtr vaip) -{ - return vaip->value; -} - static inline int virAtomicIntAdd(virAtomicIntPtr vaip, int add) { @@ -88,4 +95,60 @@ virAtomicIntSub(virAtomicIntPtr vaip, in return ret; } +# else /* __VIR_ATOMIC_USES_LOCK */ + +struct _virAtomicInt { + int value; +}; + +static inline int +virAtomicIntInit(virAtomicIntPtr vaip) +{ + vaip->value = 0; + return 0; +} + +static inline int +virAtomicIntAdd(virAtomicIntPtr vaip, int add) +{ + return __sync_add_and_fetch(&vaip->value, add); +} + +static inline int +virAtomicIntSub(virAtomicIntPtr vaip, int sub) +{ + return __sync_sub_and_fetch(&vaip->value, sub); +} + +# endif /* __VIR_ATOMIC_USES_LOCK */ + + + +/* common operations that need no locking or build on others */ + + +static inline void +virAtomicIntSet(virAtomicIntPtr vaip, int value) +{ + vaip->value = value; +} + +static inline int +virAtomicIntRead(virAtomicIntPtr vaip) +{ + return *(volatile int *)&vaip->value; +} + +static inline int +virAtomicIntInc(virAtomicIntPtr vaip) +{ + return virAtomicIntAdd(vaip, 1); +} + +static inline int +virAtomicIntDec(virAtomicIntPtr vaip) +{ + return virAtomicIntSub(vaip, 1); +} + #endif /* __VIR_ATOMIC_H */

3 3

[libvirt] [PATCH] docs: Update libvirt-daemon-arch figure
by Michal Privoznik 24 Apr '12

24 Apr '12

Currently, we are showing libvirt client contains qemu and lxc drivers. This is not correct as qemu and lxc drivers are always accessed via remote driver. Therefore we need to substitute those two so we don't confuse users. 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z4?kf>t(|V(z1H}^C0|zjHi9lcy$fo%6@%>0;*Y0K1c>x&g>PrH$8=%u_YboIE&Lff zchSn<rL{??ny~>A#CVFP1z0vt1Sg1rqY!}dP4Q(43A^0yDN+vsV|!KV+nME&QLkZ5 zot>=ydkS4Z#Ib)6R&HSzg^Gr00Df!3b8DXl7MxHd`nW`@>LE;nw=?%$w0QTSCKF1? z^AuFH2Dnu>>`i&27evxE;H!`(ASLO_D*=TW)^Mo+Hv!!3KB0#~&G)00*MH~lx*rh# zM5tE0FT{X>A&zxlwXHl`JjYl*0L_fJh#u?z0hCRem@|>Kz{pi(ffG15-4hN#0wV9L z)9DQ5V*W&3QHnplP^*?zjde5lBtYq#LqaQ=ijr}Xa<cn@1y>dTGKdce1_QVFDS*{5 zXV;>v9Y%c}jRg;_Jm=}oX+XU^J6a~oU(6d`UdUAIgljhokM_H|bQ1q{_466tmMJoC zip6PPbNTY`S-Qa^IbSxtDN;7)Zx{IN>~b7m5Bo2J>?86nUm;HT06<hMAt^<kQOxi) zHgAl(!BeM}1Fl-}%c|f+F7r}g-pyU7-C2E^%Eg=ZTl4ljC_?WD0h;=Par;epdgvV| zQD`~Mq;krkQXpp<_T?T=o0Z33`;9H%CM~mr);|FJ{u|g>j<wTKcaofBUPsAD1&xS( z!&?ww3gy``QOvpyf|A*GddCS{K|##He(H~6nkYLk^s#hi2hRj}7Mbrkb72SdI${6# zYax&;?&|#{%0T<HA`4{2Py6z9y;x=<&9&SL*pOEhIC3K^_IRV0Qv!^yT;5SAPibKP zy4au;K*scHOMUUT!-k?jWPuPWYny^1&;0GuM_fTjflMnFGG78WHx!GkGzS~_&F;i` zJugJByiQaXV=IKvD<2skS8IWi#W8RwLEk<Fd{!Spq@4ki%m(w_6qWC$P=|!U?=9tq zt!}x<$tTFAl+UmJ(BA~1(u3F`@;aw}!@mGNSRnZiFWn{Phwi7zo&N57zNEwQmcs<0 z@4>^oQEVTf4)JW_;Ge09yg?r-UIe$t>@k8Om@Ni5yvF;xH-w0+5XFvFZPJ+UP&uwt zdACofwo?^q2r173>g>9eeq|>J(g?|Z>TEF$e%~7Ii|!nFOR~rdzmf{v3`K&L52(H3 z6KV3mQzRz_$}O_TH5JZmt_)pYKCpKpIIcs<I9~v=2813gD*CcG%{v-k?!g^n@9Mkn z&79i1T<1!HI~P=XRu#x@tt`~w6Q}c$czd5t-(58CBoM=16nkUe+_+rlIxLE?rk?%A z3MpX4os!z}72WCQ<OgBqfujUB{)6-@av-W+dK@*Y85eS=nMxq%MplxduH5db-Qb@{ z6!;2A{z*mzf)}V-O6F7FPkoX%HEKE&wg5rk*WS^n=s-1g&El#9FVu%#ZhTO-mQX~l zRf<{`nIG8+VJ2gcmByoG8U2@Sm;4D|d6gOSuDwoA6c6Zo_C*mG!hHRtNU(m%`*-RB znS7U#eg8$`S8;rxp@r-cH~{5wyC>Dr9x<UU%qM`#jk$E<f{n`eAE(jN#8TrAHctDm z0Ydoq;E6P5Oem_Oav~j&F?i!V5}N%auaSOyd9`G2AJDPhauQG_da6$|oUKR$f2V<| z%Q;*722G{^SskVBHXX17Dwe0_fKj9yYyGjEJ|Mnh>fWE-PAxd|C^AYPY5@1Br^Hh5 zw<4aPb`L?8-!Q@ulmj4QD*w6*5#B2UYy?>6o+p9T^BbQ?%zJvzBa{C3@ShO=(}e%5 z;6E$)zt;*FT!A*->=%ii3%>(JS9)M#``}){nG3fqJp#`81^V8+?dy5Y4+Wjl(njf= z);_9vRI|2RrW$;@>z_|Ac?5ZQLuYULxp^GZR@dA+aky@TXEMK;TsdEO4)Oc{15a_B AuK)l5 -- 1.7.8.5

1 0

[libvirt] [libvirt-glib][PATCH] test-domain-create: Don't shadow global variable
by Michal Privoznik 24 Apr '12

24 Apr '12

In function create_usb_controller variable 'index' shadows a global declaration. --- libvirt-gconfig/tests/test-domain-create.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/libvirt-gconfig/tests/test-domain-create.c b/libvirt-gconfig/tests/test-domain-create.c index 699c255..00bd620 100644 --- a/libvirt-gconfig/tests/test-domain-create.c +++ b/libvirt-gconfig/tests/test-domain-create.c @@ -45,7 +45,7 @@ const char *features[] = { "foo", "bar", "baz", NULL }; static GVirConfigDomainControllerUsb * -create_usb_controller(GVirConfigDomainControllerUsbModel model, guint index, +create_usb_controller(GVirConfigDomainControllerUsbModel model, guint indx, GVirConfigDomainControllerUsb *master, guint start_port, guint domain, guint bus, guint slot, guint function, gboolean multifunction) @@ -55,7 +55,7 @@ create_usb_controller(GVirConfigDomainControllerUsbModel model, guint index, controller = gvir_config_domain_controller_usb_new(); gvir_config_domain_controller_usb_set_model(controller, model); - gvir_config_domain_controller_set_index(GVIR_CONFIG_DOMAIN_CONTROLLER(controller), index); + gvir_config_domain_controller_set_index(GVIR_CONFIG_DOMAIN_CONTROLLER(controller), indx); if (master) gvir_config_domain_controller_usb_set_master(controller, master, start_port); address = gvir_config_domain_address_pci_new(); -- 1.7.8.5

2 2

[libvirt] [PATCH 0/2] physical cpu usages of virtual cpus
by Hu Tao 24 Apr '12

24 Apr '12

See patch 1 and patch 4 for the purpose of this series. patches 1,2 are for libvirt. patch 3 is for ocaml-libvirt. patch 4 is for virt-top. Hu Tao (2): Add a new flag VIR_DOMAIN_CPU_STATS_F_VCPU to virDomainGetCPUStats Adds support to VIR_DOMAIN_CPU_STATS_F_VCPU in qemu_driver. include/libvirt/libvirt.h.in | 10 +++ src/qemu/qemu_driver.c | 152 +++++++++++++++++++++++++++++++++++++----- src/util/cgroup.c | 4 +- tools/virsh.c | 17 +++-- 4 files changed, 160 insertions(+), 23 deletions(-)

3 9

[libvirt] [PATCH] openvz: read vmguarpages/privvmpages to set memory tunables
by Guido Günther 23 Apr '12

23 Apr '12

--- OpenVZ's memory paramters [1,2] aren't very well supported at the moment. Let's make a start with privvmpages/vmguarpages using already available memtune parameters. I hope the mapping looks correct. Cheers, -- Guido [1] http://wiki.openvz.org/UBC_primary_parameters [2] http://wiki.openvz.org/UBC_secondary_parameters src/openvz/openvz_conf.c | 103 +++++++++++++++++++++++ src/openvz/openvz_driver.c | 200 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 303 insertions(+) diff --git a/src/openvz/openvz_conf.c b/src/openvz/openvz_conf.c index 5848ec4..579fcfc 100644 --- a/src/openvz/openvz_conf.c +++ b/src/openvz/openvz_conf.c @@ -423,6 +423,108 @@ error: } +/* Parse config values of the form barrier:limit into barrier and limit */ +static int +openvzParseBarrierAndLimit(const char* value, + unsigned long *barrier, + unsigned long *limit) +{ + char *token; + char *saveptr = NULL; + char *str = strdup(value); + + if (str == NULL) { + virReportOOMError(); + goto error; + } + + token = strtok_r(str, ":", &saveptr); + if (token == NULL) { + goto error; + } else { + if (barrier != NULL) { + if (virStrToLong_ul(token, NULL, 10, barrier)) + goto error; + } + } + token = strtok_r(NULL, ":", &saveptr); + if (token == NULL) { + goto error; + } else { + if (limit != NULL) { + if (virStrToLong_ul(token, NULL, 10, limit)) + goto error; + } + } + return 0; +error: + VIR_FREE(str); + return -1; +} + + +static int +openvzReadMemConf(virDomainDefPtr def, int veid) +{ + int ret; + char *temp = NULL; + unsigned long barrier, limit; + const char *param; + unsigned long kb_per_pages; + + kb_per_pages = sysconf(_SC_PAGESIZE) / 1024; + if (kb_per_pages == -1) { + openvzError(VIR_ERR_INTERNAL_ERROR, + _("Can't determine page size")); + goto error; + } + + /* Memory allocation guarantee */ + param = "VMGUARPAGES"; + ret = openvzReadVPSConfigParam(veid, param, &temp); + if (ret < 0) { + openvzError(VIR_ERR_INTERNAL_ERROR, + _("Could not read '%s' from config for container %d"), + param, veid); + goto error; + } else if (ret > 0) { + ret = openvzParseBarrierAndLimit(temp, &barrier, NULL); + if (ret < 0) { + openvzError(VIR_ERR_INTERNAL_ERROR, + _("Could not parse barrier of '%s' " + "from config for container %d"), param, veid); + goto error; + } + def->mem.min_guarantee = barrier * kb_per_pages; + } + + /* Memory hard and soft limits */ + param = "PRIVVMPAGES"; + ret = openvzReadVPSConfigParam(veid, param, &temp); + if (ret < 0) { + openvzError(VIR_ERR_INTERNAL_ERROR, + _("Could not read '%s' from config for container %d"), + param, veid); + goto error; + } else if (ret > 0) { + ret = openvzParseBarrierAndLimit(temp, &barrier, &limit); + if (ret < 0) { + openvzError(VIR_ERR_INTERNAL_ERROR, + _("Could not parse barrier and limit of '%s' " + "from config for container %d"), param, veid); + goto error; + } + def->mem.soft_limit = barrier * kb_per_pages; + def->mem.hard_limit = limit * kb_per_pages; + } + + ret = 0; +error: + VIR_FREE(temp); + return ret; +} + + /* Free all memory associated with a openvz_driver structure */ void openvzFreeDriver(struct openvz_driver *driver) @@ -535,6 +637,7 @@ int openvzLoadDomains(struct openvz_driver *driver) { openvzReadNetworkConf(dom->def, veid); openvzReadFSConf(dom->def, veid); + openvzReadMemConf(dom->def, veid); virUUIDFormat(dom->def->uuid, uuidstr); if (virHashAddEntry(driver->domains.objs, uuidstr, dom) < 0) diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c index e8b6915..6f8a6a8 100644 --- a/src/openvz/openvz_driver.c +++ b/src/openvz/openvz_driver.c @@ -54,6 +54,7 @@ #include "nodeinfo.h" #include "memory.h" #include "virfile.h" +#include "virtypedparam.h" #include "logging.h" #include "command.h" #include "viruri.h" @@ -65,6 +66,8 @@ #define CMDBUF_LEN 1488 #define CMDOP_LEN 288 +#define OPENVZ_NB_MEM_PARAM 3 + static int openvzGetProcessInfo(unsigned long long *cpuTime, int vpsid); static int openvzGetMaxVCPUs(virConnectPtr conn, const char *type); static int openvzDomainGetMaxVcpus(virDomainPtr dom); @@ -1631,6 +1634,201 @@ cleanup: return -1; } + +static int +openvzDomainGetBarrierLimit(virDomainPtr domain, + const char *param, + long *barrier, + long *limit) +{ + int status, ret = -1; + char *output = NULL; + virCommandPtr cmd = virCommandNewArgList(VZLIST, "--no-header", NULL); + + virCommandSetOutputBuffer(cmd, &output); + virCommandAddArgFormat(cmd, "-o%s.b,%s.l", param, param); + virCommandAddArg(cmd, domain->name); + if (virCommandRun(cmd, &status)) { + openvzError(VIR_ERR_OPERATION_FAILED, + _("Failed to get %s for %s: %d"), param, domain->name, + status); + goto cleanup; + } + + if (sscanf(output, "%ld %ld", barrier, limit) != 2) { + openvzError(VIR_ERR_INTERNAL_ERROR, + _("Can't parse "VZLIST" output, got %s"), output); + goto cleanup; + } + + ret = 0; +cleanup: + VIR_FREE(output); + virCommandFree(cmd); + return ret; +} + + +static int +openvzDomainSetBarrierLimit(virDomainPtr domain, + const char *param, + long barrier, + long limit) +{ + int status, ret = -1; + virCommandPtr cmd = virCommandNewArgList(VZCTL, "--quiet", "set", NULL); + + virCommandAddArg(cmd, domain->name); + virCommandAddArgFormat(cmd, "--%s", param); + virCommandAddArgFormat(cmd, "%ld:%ld", barrier, limit); + virCommandAddArg(cmd, "--save"); + if (virCommandRun(cmd, &status)) { + openvzError(VIR_ERR_OPERATION_FAILED, + _("Failed to set %s for %s: %d"), param, domain->name, + status); + goto cleanup; + } + + ret = 0; +cleanup: + virCommandFree(cmd); + return ret; +} + + +static int +openvzDomainGetMemoryParameters(virDomainPtr domain, + virTypedParameterPtr params, + int *nparams, + unsigned int flags) +{ + int i, result = -1; + const char *name; + long barrier, limit, kb_per_pages; + unsigned long long int val; + + virCheckFlags(0, -1); + + kb_per_pages = sysconf(_SC_PAGESIZE) / 1024; + if (kb_per_pages == -1) { + openvzError(VIR_ERR_INTERNAL_ERROR, + _("Can't determine page size")); + goto cleanup; + } + + if (*nparams == 0) { + *nparams = OPENVZ_NB_MEM_PARAM; + return 0; + } + + for (i = 0; i <= *nparams; i++) { + virMemoryParameterPtr param = &params[i]; + + switch (i) { + case 0: + name = "privvmpages"; + if (openvzDomainGetBarrierLimit(domain, name, &barrier, &limit) < 0) + goto cleanup; + + val = limit * kb_per_pages; + if (virTypedParameterAssign(param, VIR_DOMAIN_MEMORY_HARD_LIMIT, + VIR_TYPED_PARAM_ULLONG, val) < 0) + goto cleanup; + break; + + case 1: + name = "privvmpages"; + if (openvzDomainGetBarrierLimit(domain, name, &barrier, &limit) < 0) + goto cleanup; + + val = barrier * kb_per_pages; + if (virTypedParameterAssign(param, VIR_DOMAIN_MEMORY_SOFT_LIMIT, + VIR_TYPED_PARAM_ULLONG, val) < 0) + goto cleanup; + break; + + case 2: + name = "vmguarpages"; + if (openvzDomainGetBarrierLimit(domain, name, &barrier, &limit) < 0) + goto cleanup; + + val = barrier * kb_per_pages; + if (virTypedParameterAssign(param, VIR_DOMAIN_MEMORY_MIN_GUARANTEE, + VIR_TYPED_PARAM_ULLONG, val) < 0) + goto cleanup; + break; + } + } + + if (*nparams > OPENVZ_NB_MEM_PARAM) + *nparams = OPENVZ_NB_MEM_PARAM; + result = 0; + +cleanup: + return result; +} + + +static int +openvzDomainSetMemoryParameters(virDomainPtr domain, + virTypedParameterPtr params, + int nparams, + unsigned int flags) +{ + int i, result = -1; + long kb_per_pages; + + kb_per_pages = sysconf(_SC_PAGESIZE) / 1024; + if (kb_per_pages == -1) { + openvzError(VIR_ERR_INTERNAL_ERROR, + _("Can't determine page size")); + goto cleanup; + } + + virCheckFlags(0, -1); + if (virTypedParameterArrayValidate(params, nparams, + VIR_DOMAIN_MEMORY_HARD_LIMIT, + VIR_TYPED_PARAM_ULLONG, + VIR_DOMAIN_MEMORY_SOFT_LIMIT, + VIR_TYPED_PARAM_ULLONG, + VIR_DOMAIN_MEMORY_MIN_GUARANTEE, + VIR_TYPED_PARAM_ULLONG, + NULL) < 0) + return -1; + + for (i = 0; i < nparams; i++) { + virTypedParameterPtr param = &params[i]; + long barrier, limit; + + if (STREQ(param->field, VIR_DOMAIN_MEMORY_HARD_LIMIT)) { + if (openvzDomainGetBarrierLimit(domain, "privvmpages", + &barrier, &limit) < 0) + goto cleanup; + limit = params[i].value.ul / kb_per_pages; + if (openvzDomainSetBarrierLimit(domain, "privvmpages", + barrier, limit) < 0) + goto cleanup; + } else if (STREQ(param->field, VIR_DOMAIN_MEMORY_SOFT_LIMIT)) { + if (openvzDomainGetBarrierLimit(domain, "privvmpages", + &barrier, &limit) < 0) + goto cleanup; + barrier = params[i].value.ul / kb_per_pages; + if (openvzDomainSetBarrierLimit(domain, "privvmpages", + barrier, limit) < 0) + goto cleanup; + } else if (STREQ(param->field, VIR_DOMAIN_MEMORY_MIN_GUARANTEE)) { + barrier = params[i].value.ul / kb_per_pages; + if (openvzDomainSetBarrierLimit(domain, "vmguarpages", + barrier, LONG_MAX) < 0) + goto cleanup; + } + } + result = 0; +cleanup: + return result; +} + + static int openvzGetVEStatus(virDomainObjPtr vm, int *status, int *reason) { @@ -1752,6 +1950,8 @@ static virDriver openvzDriver = { .domainDestroy = openvzDomainShutdown, /* 0.3.1 */ .domainDestroyFlags = openvzDomainShutdownFlags, /* 0.9.4 */ .domainGetOSType = openvzGetOSType, /* 0.3.1 */ + .domainGetMemoryParameters = openvzDomainGetMemoryParameters, /* 0.9.12 */ + .domainSetMemoryParameters = openvzDomainSetMemoryParameters, /* 0.9.12 */ .domainGetInfo = openvzDomainGetInfo, /* 0.3.1 */ .domainGetState = openvzDomainGetState, /* 0.9.2 */ .domainSetVcpus = openvzDomainSetVcpus, /* 0.4.6 */ -- 1.7.10

1 0

[libvirt] [PATCH] vbox: Fix passing an empty IMedium* array to IMachine::Delete
by Matthias Bolte 23 Apr '12

23 Apr '12

vboxArray is not castable to a COM item type. vboxArray is a wrapper around the XPCOM and MSCOM specific array handling. In this case we can avoid passing NULL as an empty array to IMachine::Delete by passing a dummy IMedium* array with a single NULL item. --- Jean-Baptiste, I can not reproduce the assertion you mentioned, or I don't know where to look for it. So could you verify that is patch avoids this assertion? src/vbox/vbox_tmpl.c | 9 ++++----- 1 files changed, 4 insertions(+), 5 deletions(-) diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c index 57c18a4..4b0ee2e 100644 --- a/src/vbox/vbox_tmpl.c +++ b/src/vbox/vbox_tmpl.c @@ -5294,11 +5294,10 @@ vboxDomainUndefineFlags(virDomainPtr dom, unsigned int flags) ((IMachine_Delete)machine->vtbl->Delete)(machine, &safeArray, &progress); # else - union { - vboxArray array; - IMedium *medium; - } u = { .array = VBOX_ARRAY_INITIALIZER }; - machine->vtbl->Delete(machine, 0, &u.medium, &progress); + /* XPCOM doesn't like NULL as an array, even when the array size is 0. + * Instead pass it a dummy array to avoid passing NULL. */ + IMedium *array[] = { NULL }; + machine->vtbl->Delete(machine, 0, array, &progress); # endif if (progress != NULL) { progress->vtbl->WaitForCompletion(progress, -1); -- 1.7.4.1

3 3