March 2016 - Devel - libvirt List Archives

[libvirt] GSoC 2016
by Tahir Ramzan 08 Mar '16

08 Mar '16

Respected Sir, I am a MS CS scholar of Virtual University of Pakistan, I want to participate in GSoC 2016 for Libvirt. Data Science, Networks, Information security, digital forensics and ethical hacking are my core areas of interest. Currently, I am working on a research project on live forensics of GPU and volatile memories like RAMs and Caches. I am looking forward your guidance to start my contribution for Libvirt, thanks in anticipation. Regards Tahir Ramzan

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[libvirt] ruby-libvirt mixed storage migration
by Tim Förster - Hetzner Online AG 07 Mar '16

07 Mar '16

Heyho guys, is there any reason why mixed storage migration is restriced. I am unable to serve parameter "migrate_disks" through #migrate_to_uri3. It looks like there is a missing macro here. http://libvirt.org/git/?p=ruby-libvirt.git;a=blob;f=ext/libvirt/domain.c#l3…. Could you please verify this? regrads, tim

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[libvirt] [PATCH] ruby-libvirt: Don't crash in leases_wrap() by passing NULLs to rb_str_new2()
by Dan Williams 07 Mar '16

07 Mar '16

Not all lease values are mandatory, and when they aren't supplied by the libvirt driver they get set to NULL. That makes rb_str_new2() bail out. Signed-off-by: Dan Williams <dcbw(a)redhat.com> --- For example using the qemu driver we don't get 'iaid', and that makes ruby unhappy: [{"iface"=>"virbr1", "expirytime"=>1452189569, "type"=>0, "mac"=>"52:54:00:05:2b:6f", "ipaddr"=>"192.168.121.49", "prefix"=>24, "hostname"=>"openshiftdev", "clientid"=>"ff:00:05:2b:6f:00:01:00:01:1e:21:55:ed:52:54:00:05:2b:6f"}] ext/libvirt/network.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/ext/libvirt/network.c b/ext/libvirt/network.c index 7c77d73..c250d7d 100644 --- a/ext/libvirt/network.c +++ b/ext/libvirt/network.c @@ -269,14 +269,20 @@ static VALUE leases_wrap(VALUE arg) rb_hash_aset(hash, rb_str_new2("expirytime"), LL2NUM(lease->expirytime)); rb_hash_aset(hash, rb_str_new2("type"), INT2NUM(lease->type)); - rb_hash_aset(hash, rb_str_new2("mac"), rb_str_new2(lease->mac)); - rb_hash_aset(hash, rb_str_new2("iaid"), rb_str_new2(lease->iaid)); + if (lease->mac) + rb_hash_aset(hash, rb_str_new2("mac"), rb_str_new2(lease->mac)); + if (lease->iaid) + rb_hash_aset(hash, rb_str_new2("iaid"), rb_str_new2(lease->iaid)); rb_hash_aset(hash, rb_str_new2("ipaddr"), rb_str_new2(lease->ipaddr)); rb_hash_aset(hash, rb_str_new2("prefix"), UINT2NUM(lease->prefix)); - rb_hash_aset(hash, rb_str_new2("hostname"), - rb_str_new2(lease->hostname)); - rb_hash_aset(hash, rb_str_new2("clientid"), - rb_str_new2(lease->clientid)); + if (lease->hostname) { + rb_hash_aset(hash, rb_str_new2("hostname"), + rb_str_new2(lease->hostname)); + } + if (lease->clientid) { + rb_hash_aset(hash, rb_str_new2("clientid"), + rb_str_new2(lease->clientid)); + } rb_ary_store(result, i, hash); } -- 2.4.3

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[libvirt] [PATCH] Fix minor typos in messages
by Yuri Chornoivan 07 Mar '16

07 Mar '16

Hi, Attached is a patch to fix minor typos in libvirt messages. Thanks for fixing them in the repo. By the way, libvirt template has not been updated for almost 1 year on Zanata. Are the translation moved into some new location? Thanks in advance for your answers. Best regards, Yuri

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[libvirt] [PATCH v2 0/7] Fix and enhance statistics of a completed job
by Jiri Denemark 07 Mar '16

07 Mar '16

Jiri Denemark (7): qemu: Store completed stats at the very end of migration qemu: Properly update completed migration stats qemu: Don't explicitly stop CPUs after migration qemu: Fix a race when computing migration downtime qemu: Do not report completed stats until the job finishes Introduce job completed event qemu: Add support for job completed event daemon/remote.c | 38 ++++++++++++++++++ include/libvirt/libvirt-domain.h | 24 ++++++++++++ src/conf/domain_event.c | 85 +++++++++++++++++++++++++++++++++++++++- src/conf/domain_event.h | 10 +++++ src/libvirt-domain.c | 4 +- src/libvirt_private.syms | 2 + src/qemu/qemu_domain.c | 24 ++++++++++++ src/qemu/qemu_domain.h | 4 ++ src/qemu/qemu_driver.c | 4 +- src/qemu/qemu_migration.c | 74 ++++++++++++++++++++++------------ src/qemu/qemu_process.c | 20 +++++++--- src/remote/remote_driver.c | 42 ++++++++++++++++++++ src/remote/remote_protocol.x | 14 ++++++- src/remote_protocol-structs | 9 +++++ tools/virsh-domain.c | 25 ++++++++++++ 15 files changed, 344 insertions(+), 35 deletions(-) -- 2.7.2

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[libvirt] "opertaions" typo on wiki.
by Dennis 07 Mar '16

07 Mar '16

Hi, I tried to edit http://wiki.libvirt.org/page/Main_Page to fix a typo of the word 'operations,' (see email subject) but could not figure out how to create an account. I read on the contact page that if I am not subscribed to the mailing list I am mailing this small insignificant task won't be emailed to a large group of people and will be moderated appropriately. Thanks, Dennis O.

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[libvirt] [libvirt-glib] gconfig: Fix next API version number
by Fabiano Fidêncio 07 Mar '16

07 Mar '16

Commit 01e01f2 introduced a wrong next API version number in libvirt-gconfig.sym Signed-off-by: Fabiano Fidêncio <fidencio(a)redhat.com> --- libvirt-gconfig/libvirt-gconfig.sym | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libvirt-gconfig/libvirt-gconfig.sym b/libvirt-gconfig/libvirt-gconfig.sym index f11f97a..5bc2e24 100644 --- a/libvirt-gconfig/libvirt-gconfig.sym +++ b/libvirt-gconfig/libvirt-gconfig.sym @@ -733,7 +733,7 @@ global: gvir_config_domain_video_set_vgamem; } LIBVIRT_GCONFIG_0.2.1; -LIBVIRT_GCONFIG_0.2.4 { +LIBVIRT_GCONFIG_0.2.3 { gvir_config_domain_graphics_spice_set_gl; gvir_config_domain_video_set_accel3d; } LIBVIRT_GCONFIG_0.2.2; -- 2.5.0

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[libvirt] [PATCH 00/25] Final pile of qemu_command.c changes
by John Ferlan 07 Mar '16

07 Mar '16

Finishing the adventure - certainly qemuBuildCommandLine looks much cleaner now and is much shorter (~2100 lines down to ~250 lines). The downside is plowing though the changes and the reviews. John Ferlan (25): qemu: Introduce qemuBuildClockCommandLine qemu: Introduce qemuBuildPMCommandLine qemu: Introduce qemuBuildBootCommandLine qemu: Introduce qemuBuildGlobalControllerCommandLine qemu: Introduce qemuBuildControllerDevCommandLine qemu: Introduce qemuBuildHubCommandLine qemu: Introduce qemuBuildDiskDriveCommandLine qemu: Introduce qemuBuildFSDevCommandLine qemu: Introduce qemuBuildNetCommandLine qemu: Introduce qemuBuildSmartcardCommandLine qemu: Introduce qemuBuildSerialCommandLine qemu: Introduce qemuBuildParallelsCommandLine qemu: Introduce qemuBuildChannelsCommandLine qemu: Introduce qemuBuildConsoleCommandLine qemu: Modify qemuBuildTPMCommandLine qemu: Introduce qemuBuildInputCommandLine qemu: Introduce qemuBuildVideoCommandLine qemu: Introduce qemuBuildSoundCommandLine qemu: Introduce qemuBuildWatchdogCommandLine qemu: Introduce qemuBuildRedirdevCommandLine qemu: Introduce qemuBuildHostdevCommandLine qemu: Introduce qemuBuildMemballoonCommandLine qemu: Introduce qemuBuildRNGCommandLine qemu: Introduce qemuBuildNVRAMCommandLine qemu: Introduce qemuBuildPanicCommandLine src/conf/domain_conf.c | 14 +- src/conf/domain_conf.h | 8 +- src/qemu/qemu_capabilities.c | 2 +- src/qemu/qemu_capabilities.h | 2 +- src/qemu/qemu_command.c | 7703 +++++++++++++++++++++------------------- src/qemu/qemu_command.h | 46 +- src/qemu/qemu_domain_address.c | 2 +- src/qemu/qemu_domain_address.h | 2 +- 8 files changed, 4073 insertions(+), 3706 deletions(-) -- 2.5.0

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[libvirt] [PATCH] locking: Use bit shift for flag values not constant values.
by John Ferlan 07 Mar '16

07 Mar '16

So far it hasn't bitten us, but if the next value wasn't 4, then the logic used to check flag bits would have issues. Signed-off-by: John Ferlan <jferlan(a)redhat.com> --- Noted this while reviewing danpb's virtlogd as chardev series. src/locking/lock_driver_lockd.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/locking/lock_driver_lockd.h b/src/locking/lock_driver_lockd.h index baf346a..6931fe7 100644 --- a/src/locking/lock_driver_lockd.h +++ b/src/locking/lock_driver_lockd.h @@ -23,8 +23,8 @@ # define __VIR_LOCK_DRIVER_LOCKD_H__ enum virLockSpaceProtocolAcquireResourceFlags { - VIR_LOCK_SPACE_PROTOCOL_ACQUIRE_RESOURCE_SHARED = 1, - VIR_LOCK_SPACE_PROTOCOL_ACQUIRE_RESOURCE_AUTOCREATE = 2, + VIR_LOCK_SPACE_PROTOCOL_ACQUIRE_RESOURCE_SHARED = (1 << 0), + VIR_LOCK_SPACE_PROTOCOL_ACQUIRE_RESOURCE_AUTOCREATE = (1 << 1), }; #endif /* __VIR_LOCK_DRIVER_LOCKD_H__ */ -- 2.5.0

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[libvirt] [PATCH] _virtualboxCreateMachine: Avoid unbound stack
by Michal Privoznik 07 Mar '16

07 Mar '16

If the stars are in the right position and you're building with VBox >= 4.2.0 it will happen that compiler thinks an array allocated on the stack may be unbound: In file included from vbox/vbox_V4_2.c:13:0: vbox/vbox_tmpl.c: In function '_virtualboxCreateMachine': vbox/vbox_tmpl.c:2811:1: error: stack usage might be unbounded [-Werror=stack-usage=] _virtualboxCreateMachine(vboxGlobalData *data, virDomainDefPtr def, IMachine **machine, char *uuidstr ATTRIBUTE_UNUSED) ^ Well, given how the variable is declared, I had some hard time seeing it is actually bounded. Surprisingly compiler does not complain because of -Wframe-larger-than. This is because variable length arrays do not count into that warning. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com> --- src/vbox/vbox_tmpl.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c index 0fbd5b3..7a8205d 100644 --- a/src/vbox/vbox_tmpl.c +++ b/src/vbox/vbox_tmpl.c @@ -2812,7 +2812,7 @@ _virtualboxCreateMachine(vboxGlobalData *data, virDomainDefPtr def, IMachine **m { vboxIID iid = VBOX_IID_INITIALIZER; PRUnichar *machineNameUtf16 = NULL; - nsresult rc; + nsresult rc = -1; VBOX_UTF8_TO_UTF16(def->name, &machineNameUtf16); vboxIIDFromUUID(&iid, def->uuid); @@ -2843,18 +2843,12 @@ _virtualboxCreateMachine(vboxGlobalData *data, virDomainDefPtr def, IMachine **m override, machine); #else /* VBOX_API_VERSION >= 4002000 */ - const char *flagsUUIDPrefix = "UUID="; - const char *flagsForceOverwrite = "forceOverwrite=0"; - const char *flagsSeparator = ","; - char createFlags[strlen(flagsUUIDPrefix) + VIR_UUID_STRING_BUFLEN + strlen(flagsSeparator) + strlen(flagsForceOverwrite) + 1]; + char *createFlags = NULL; PRUnichar *createFlagsUtf16 = NULL; - snprintf(createFlags, sizeof(createFlags), "%s%s%s%s", - flagsUUIDPrefix, - uuidstr, - flagsSeparator, - flagsForceOverwrite - ); + if (virAsprintf(&createFlags, + "UUID=%s,forceOverwrite=0", uuidstr) < 0) + goto cleanup; VBOX_UTF8_TO_UTF16(createFlags, &createFlagsUtf16); rc = data->vboxObj->vtbl->CreateMachine(data->vboxObj, NULL, @@ -2864,6 +2858,8 @@ _virtualboxCreateMachine(vboxGlobalData *data, virDomainDefPtr def, IMachine **m nsnull, createFlagsUtf16, machine); + cleanup: + VIR_FREE(createFlags); #endif /* VBOX_API_VERSION >= 4002000 */ } VBOX_UTF16_FREE(machineNameUtf16); -- 2.4.10

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