June 2014 - Devel - oVirt List Archives

[Devel] Proposing Yedidyah Bar David as oVirt Hosted Engine Setup maintainer
by Sandro Bonazzola 14 Jan '15

14 Jan '15

Hi, I would like to propose Yedidyah Bar David as oVirt Hosted Engine Setup co-maintainer. Yedidyah contributed to oVirt Hosted Engine Setup since early design phase and contributed dozens of patches. Your response would be appreciated. Thanks in advance. -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

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[QE] Hardening Guide
by Sandro Bonazzola 17 Jul '14

17 Jul '14

Hi, while I was working on Bug 1097022 - ovirt-engine-setup: weak default passwords for PostgreSQL database users I was wondering where to write hardening tips described in comment #18. It looks like we don't have any page on oVirt wiki about hardening. Anyone interested in contributing to such page? I guess it can be created as http://www.ovirt.org/OVirt_Hardening_Guide Thoughts? -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

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Update on UI column sort infra issues
by Vojtech Szocs 08 Jul '14

08 Jul '14

Hi guys, just a quick update on issues related to UI column sort infra. The client-side sorting fix [1] is now merged in master branch. The server-side sorting fix [2] is pending review. Also note that Lior merged a patch [3] which greatly simplifies code when making text-based columns *client-side* sortable, for example: TextColumnWithTooltip<SomeEntity> nameColumn = ... instead of this: // for text-based columns, need to provide separate Comparator // that (typically) uses LexoNumericComparator for comparison nameColumn.makeSortable(someEntityPropertyComparator); you can do this: // uses LexoNumericComparator to compare column's text values nameColumn.makeSortable(); -- [1] http://gerrit.ovirt.org/#/c/28392/ ... where items would disappear from grid when activating client-side column sorting [2] http://gerrit.ovirt.org/#/c/28557/ ... where triggering server-side sorting on a given column might corrupt the actual search query dispatched by the model [3] http://gerrit.ovirt.org/#/c/28670/ -- Regards, Vojtech

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oVirt.js GWT wrapper prototype
by Vojtech Szocs 08 Jul '14

08 Jul '14

------=_Part_26595393_401944553.1403609366320 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Hello everyone, following the announcement of oVirt.js prototype, I've developed a sample GWT wrapper that provides Java API to oVirt.js for all GWT applications. Please find the GWT wrapper patch attached. It bundles oVirt.js & Lo-Dash libraries via GWT module (SdkGwtWrapper) providing Java-like API based on oVirt.js. In order for WebAdmin to use oVirt.js GWT wrapper, all we have to do is add following into WebAdmin.gwt.xml (GWT module descriptor): <inherits name="org.ovirt.engine.sdk.gwt.SdkGwtWrapper" /> and add following into pom.xml (Maven project descriptor): <dependency> <groupId>${engine.groupId}</groupId> <artifactId>ovirt-js-gwt-wrapper</artifactId> <version>${engine.version}</version> <scope>provided</scope> </dependency> and that's it. The Java API takes inspiration from oVirt.js API. For example, to add new DataCenter: // Create data object template, 'name' and 'local' are required. DataCenterTemplate dcTemplate = DataCenterTemplate.create( "test-dc", // name false // local ); // Set optional parameters such as 'description', if necessary. dcTemplate.setDescription("my-desc"); // Obtain DataCenter resource collection. ResourceCollection<DataCenter> dcColl = Sdk.get().api().getDataCenters(); // Add new DataCenter by running 'add' operation on 'dcColl'. dcColl.add(dcTemplate).success(new SuccessCallback<DataCenter>() { @Override public void onSuccess(DataCenter dc) { Window.alert("Added: " + dc.getName()); } }).run(); The concept of resource, resource collection and operation is the same as presented in oVirt.js. dc.setName("test-dc-updated"); dc.setDescription("test") dc.update().run(); // we could register 'success' callback here You can see the full example by looking at SdkGwtWrapperTest class, located in WebAdmin codebase (org.ovirt.engine.ui.webadmin.sdk_test). Note that 'DataCenter' and 'DataCenterTemplate' will probably be auto-generated from oVirt Engine REST API definition (XSD/RSDL). As mentioned in my previous email, oVirt.js GWT wrapper ("overlay") can be initially part of ovirt-engine repo, while oVirt.js project deserves (in my opinion) a separate repo on its own. 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2 2

Github Repositories
by Saggi Mizrahi 02 Jul '14

02 Jul '14

We are moving all ovirt stuff from my own user to the newly created ovirt-infra group on github. Update your git remotes! https://github.com/ovirt-infra

9 10

[ANN] oVirt 3.5.0 Second Alpha is now available for testing
by Sandro Bonazzola 01 Jul '14

01 Jul '14

The oVirt team is pleased to announce that the 3.5.0 Second Alpha is now available for testing. Feel free to join us testing it! You'll find all needed info for installing it on the release notes page, already available on the wiki [1]. A new oVirt Live iso is already available for testing[2] including all available updates from CentOS. An oVirt Guest Tools iso is now available too[3]. A new oVirt Node build will be available soon as well. Please note that mirrors will need a couple of days before being synchronized. If you want to be sure to use latest rpms and don't want to wait for the mirrors, you can edit /etc/yum.repos.d/ovirt-3.5.repo commenting the mirror line and removing the comment on baseurl line. Known Issues You can't add hosts to 3.5 clusters until a new VDSM build with 3.5 compatibility level will be released (All in One won't work). [1] http://www.ovirt.org/OVirt_3.5_Release_Notes [2] http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/ovirt-live-el6-3.5.0-alpha… [3] http://resources.ovirt.org/pub/ovirt-3.5-pre/iso/ovirt-guest-tools/ovirt-gu… -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

3 2

[vdsm] Infrastructure design for node (host) devices
by Martin Polednik 01 Jul '14

01 Jul '14

Hello, I'm actively working on getting host device passthrough (pci, usb and scsi) exposed in VDSM, but I've encountered growing complexity of this feature. The devices are currently created in the same manner as virtual devices and their reporting is done via hostDevices list in getCaps. As I implemented usb and scsi devices, the size of this list grew almost twice - and that is on a laptop. Similar problem is with the devices themselves, they are closely tied to host and currently, engine would have to keep their mapping to VMs, reattach back loose devices and handle all of this in case of migration. I would like to hear your opinion on building something like host device pool in VDSM. The pool would be populated and periodically updated (to handle hot(un)plugs) and VMs/engine could query it for free/assigned/possibly problematic devices (which could be reattached by the pool). This has added benefit of requiring fewer libvirt calls, but a bit more complexity and possibly one thread. The persistence of the pool on VDSM restart could be kept in config or constructed from XML. I'd need new API verbs to allow engine to communicate with the pool, possibly leaving caps as they are and engine could detect the presence of newer vdsm by presence of these API verbs. The vmCreate call would remain almost the same, only with the addition of new device for VMs (where the detach and tracking routine would be communicated with the pool).

5 6

[ANN] oVirt 3.5 Test Day - Tomorrow Jul 1st
by Yedidyah Bar David 30 Jun '14

30 Jun '14

Hi all, Tomorrow Jul 1st we'll have oVirt 3.5.0 test day. On this day all relevant engineers will be online ready to support any issues you find during install / operating this new release. Just make sure you have 1 host or more to test drive the new release. If you're curious to see how it works, this is your chance. Thanks again for everyone who will join us tomorrow! Location #ovirt irc channel Please communicate here to allow others to see any issues What In this test day you have a license to kill ;) Follow the documentation to setup your environment, and test drive the new features. Please remember we expect to see some issues, and anything you come up with will save you when you'll install final release Remember to try daily tasks you'd usually do in the engine, to see there are no regressions. Write down the configuration you used (HW, console, etc) in the report etherpad[1]. Documentation Release notes: http://www.ovirt.org/OVirt_3.4.0_release_notes Features pages links: http://bit.ly/17qBn6F If you find errors in the wiki please annotate it as well in report etherpad [1] Prerequisites / recommendations Use CentOS or RHEL 6.5 only. 6.4 is unsupported due to various issues (sanlock, libvirt, etc). Use Fedora 19 or 20. Latest RPMs repository to be enabled for testing the release are listed in the release notes page [2]. NEW issues / reports For any new issue, please update the reports etherpad [1] Feature owners, please make sure: your feature is updated and referenced on release page [2]. you have testing instruction for your feature either on test day page [3] or in your feature page. your team regression testing section is organized and up to date on test day page [3]. [1] http://etherpad.ovirt.org/p/3.5-testday-1 [2] http://www.ovirt.org/OVirt_3.5_Release_Notes [3] http://www.ovirt.org/OVirt_3.5_TestDay Thanks. -- Yedidyah Bar David, RHEV Integration team

1 1

ovirt-3.5 test day: Package oVirt windows guest tools ISO and put it in ovirt repositories
by Einav Cohen 30 Jun '14

30 Jun '14

------=_Part_539285_2013995182.1404136603229 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Hi Lev, I am assigned to test the feature in $subject as part of the ovirt-3.5 test day. it says in [1] to "Talk to Lev" (attached). So I'm talking :) - in the BZ [2] description, it mentions that it would be nice to (a) have the windows guest tools ISO pre-populated in the ISO domain, but as a first step - (b) virtio-win should be RPM packaged and put it in ovirt (yum?) repositories. IIUC - neither (a) nor (b) were done - the ISO was simply put in resources.ovirt.org (not RPM packaged or anything like that) - correct? - which ISO should I use for the test-day? the one that appears in comment #5 in [2] as "master"? "3.5.0 pre release"? something else? - any particular windows versions that I should test (or, should NOT test)? - anything else that I should know about this feature? anything in particular that I should focus on? ---- Regards, Einav [1] https://docs.google.com/spreadsheet/ccc?key=0AuAtmJW_VMCRdHJ6N1M3d1F1UTJTS1… [2] Bug 1026930 - OVIRT35 - [RFE] Package oVirt windows guest tools ISO and put it in ovirt repositories [https://bugzilla.redhat.com/show_bug.cgi?id=1026930] ------=_Part_539285_2013995182.1404136603229 Content-Type: image/png; name=TalkToLev.png Content-Disposition: attachment; filename=TalkToLev.png Content-Transfer-Encoding: base64 iVBORw0KGgoAAAANSUhEUgAABKUAAAB6CAYAAABumuCiAAAABHNCSVQICAgIfAhkiAAAAAlwSFlz AAAOxAAADsQBlSsOGwAAIABJREFUeJzsvXtcVNX+//8e4iIwisAM3k6pSKKiKagf8wqKpih2vJRp mtZRux/rWKapKZapafVVHydvqKdCOIri+ZTlOR4ruj40xI7ZKUX9kIogN7nMIHd5/f7wN7uZzd5r 9gwDGLyfj8d+MHvWXuv9Xu/3e73XmsWePVRUVARnj+vXr+Ppp5/Grl27pPe++uorREVF4b777sPG 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2 1

scale & hooks
by Michal Skrivanek 30 Jun '14

30 Jun '14

Hi, just thinking about the recent stats hook[1] by Dima and scale, It is a very nice hook and quite useful for the scale testing - ( though when focus is on engine I'd suggest to use FakeVDSM instead to eliminate all the bottlenecks on VDSM side.) One issue I see - since this is a very high-profile call, every 15s time number of VMs - is with the hook invocation. Currently the hook mechanism always go through the hooks dit and does stat() call to see script is there or not… it certainly doesn't matter on small scale but when the system is on the edge every IO on local FS cost something…. Would be nice if the hook mechanism is enhanced in general, figure out which hooks are relevant only at the startup and don't waste time passing domainXML every single time when the hook is not there Thanks, michal [1] http://gerrit.ovirt.org/#/c/25927/

4 4

Re: [ovirt-devel] Failed to run "make rpm" on VDSM latest master
by Saggi Mizrahi 30 Jun '14

30 Jun '14

We have ioprocess in EPEL and brew builds for el6\7, and builds for f19\f20 in bodhi. There is no such thing as "pushing to stable". In order to be deemed stable a package has to sit there for 30 days without negative karma or get enough (3) positive karma. We have notified on the mailing list that ioprocess is in need for karma. In any case, you should start getting used to fetching ioprocess builds from updates-testing when working on the master branch as we are not going to wait for a month before adding capabilities to VDSM after adding a feature to ioprocess (or any other external dependency). There is no reason for VDSM's master branch to only use RPMs from stable repos. Quite the contrary, the reason that updates-testing exists is so that consumers of the RPM can test the impending release and make sure it works before it is delivered to the general public. Further more, after using a build from updates-testing with VDSM and seeing that it works it would be most appreciated if you supply give karma to accelerate the process of getting a released to the stable repo. For more information: https://fedoraproject.org/wiki/QA:Updates_Testing Links to builds: https://brewweb.devel.redhat.com/packageinfo?packageID=47301 https://admin.fedoraproject.org/updates/search/ioprocess?_csrf_token=adc891… > > On Thu, Jun 26, 2014 at 01:38:45PM -0400, Nir Soffer wrote: > > ----- Original Message ----- > > > From: "Dan Kenigsberg" <danken(a)redhat.com> > > > To: "Nir Soffer" <nsoffer(a)redhat.com> > > > Cc: "ybronhei" <ybronhei(a)redhat.com>, "Oved Ourfali" <ovedo(a)redhat.com>, > > > "Eli Mesika" <emesika(a)redhat.com>, "Yeela > > > Kaplan" <ykaplan(a)redhat.com>, "Saggi Mizrahi" <smizrahi(a)redhat.com> > > > Sent: Thursday, June 26, 2014 8:11:59 PM > > > Subject: Re: Failed to run "make rpm" on VDSM latest master > > > > > > On Thu, Jun 26, 2014 at 11:59:13AM -0400, Nir Soffer wrote: > > > > ----- Original Message ----- > > > > > From: "ybronhei" <ybronhei(a)redhat.com> > > > > > To: "Oved Ourfali" <ovedo(a)redhat.com>, "Eli Mesika" > > > > > <emesika(a)redhat.com> > > > > > Cc: "Nir Soffer" <nsoffer(a)redhat.com>, "Yeela Kaplan" > > > > > <ykaplan(a)redhat.com>, "Saggi Mizrahi" <smizrahi(a)redhat.com> > > > > > Sent: Thursday, June 26, 2014 2:22:16 PM > > > > > Subject: Re: Failed to run "make rpm" on VDSM latest master > > > > > > > > > > On 06/26/2014 07:53 AM, Oved Ourfali wrote: > > > > > > cc-ing also Yeela and Saggi. > > > > > > > > > > > > Oved > > > > > > > > > > > > ----- Original Message ----- > > > > > >> From: "Eli Mesika" <emesika(a)redhat.com> > > > > > >> To: "Yaniv Bronheim" <ybronhei(a)redhat.com>, "Nir Soffer" > > > > > >> <nsoffer(a)redhat.com> > > > > > >> Cc: "Oved Ourfalli" <oourfali(a)redhat.com> > > > > > >> Sent: Wednesday, June 25, 2014 11:34:24 PM > > > > > >> Subject: Failed to run "make rpm" on VDSM latest master > > > > > >> > > > > > >> > > > > > >> Hi, I had applied Nir patch and tried to create rpms , and this is > > > > > >> what I > > > > > >> have got : > > > > > >> > > > > > >> error: Failed build dependencies: > > > > > >> python-ioprocess >= 0.5-1 is needed by > > > > > >> vdsm-4.15.0-185.git5b501bf.el6.x86_64 > > > > > >> > > > > > >> > > > > > >> Then I had switched to the master branch and got the same > > > > > >> > > > > > >> How can I install this new dependency ? > > > > > >> > > > > > >> > > > > > >> Thanks > > > > > >> Eli Mesika > > > > > >> > > > > > >> > > > > > solved? > > > > > just yum install python-ioprocess > > > > > i will update vdsm_Developers wiki page > > > > > > > > # yum install python-ioprocess > > > > No package python-ioprocess available. > > > > > > > > Looks like broken (again) master to me > > > > > > # yum --enablerepo=epel-testing install python-ioprocess > > > > > > Fixed this for me. Saggi/Yeela, could you push it to stable, and produce > > > a > > > f19 build? That would help plenty of us. > > > > This patch should fix the situation for everyone, allowing easy testing. > > http://gerrit.ovirt.org/29304 > > > > Nir >

3 4

XML benchmarks
by Francesco Romani 30 Jun '14

30 Jun '14

------=_Part_23935490_2012384362.1403872214216 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Hi, Due to the recent discussion (http://gerrit.ovirt.org/#/c/28712/) and as part of the ongoing focus on scalability and performances (http://gerrit.ovirt.org/#/c/17694/ and many others), I took the chance to do a very quick and dirty bench to see how it really cost to do XML processing in sampling threads (thanks to Nir for the kickstart!), and, in general, how much the XML processing costs. Please find attached the test script and the example XML (real one made by VDSM master on my RHEL6.5 box). On my laptop: $ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 58 Model name: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz Stepping: 9 CPU MHz: 1359.375 CPU max MHz: 3600.0000 CPU min MHz: 1200.0000 BogoMIPS: 5786.91 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 4096K NUMA node0 CPU(s): 0-3 8 GiBs of RAM, running GNOME desktop and the usual development stuff xmlbench.py linuxvm1.xml MODE 300 MODE is either 'md' (minidom) or 'cet' (cElementTree). This will run $NUMTHREADS threads fast and loose without synchronization. We can actually have this behaviour if a customer just mass start VMs. In general I expect some clustering of the sampling activity, not a nice evenly interleaved time sequence. CPU measurement: just opened a terminal and run 'htop' on it. CPU profile: clustered around the sampling interval. Usage negligible most of time, peak on sampling as shown below 300 VMs minidom: ~38% CPU cElementTree: ~5% CPU 500 VMs minidom: ~48% CPU cElementTree: ~6% CPU 1000 VMs python thread error :) File "/usr/lib64/python2.7/threading.py", line 746, in start _start_new_thread(self.__bootstrap, ()) thread.error: can't start new thread I think this is another proof (if we need more of them) that * we _really need_ to move away from the 1 thread per VM model -> http://gerrit.ovirt.org/#/c/29189/ and friends! Let's fire up the discussion! * we should move to cElementTree anyway in the near future: faster processing, scales better, nicer API. It is also a pet peeve of mine, I do have some patches floating but we need still some preparation work in the virt package. -- Francesco Romani RedHat Engineering Virtualization R & D Phone: 8261328 IRC: fromani ------=_Part_23935490_2012384362.1403872214216 Content-Type: text/x-python; name=xmlbench.py Content-Disposition: attachment; filename=xmlbench.py Content-Transfer-Encoding: base64 IyEvdXNyL2Jpbi9lbnYgcHl0aG9uCgppbXBvcnQgc3lzCmltcG9ydCB0aHJlYWRpbmcKaW1wb3J0 IHRpbWUKI2ltcG9ydCBseG1sLmV0cmVlCmltcG9ydCB4bWwuZG9tLm1pbmlkb20KaW1wb3J0IHht bC5ldHJlZS5jRWxlbWVudFRyZWUKaW1wb3J0IHhtbC5ldHJlZS5FbGVtZW50VHJlZQoKCmNsYXNz IFdvcmtlcih0aHJlYWRpbmcuVGhyZWFkKToKICAgIGRlZiBfX2luaXRfXyhzZWxmLCBmdW5jLCB4 bWwsIGRlbGF5LCBudW1ydW5zKToKICAgICAgICBzdXBlcihXb3JrZXIsIHNlbGYpLl9faW5pdF9f KCkKICAgICAgICBzZWxmLmRhZW1vbiA9IFRydWUKICAgICAgICBzZWxmLmZ1bmMgPSBmdW5jCiAg ICAgICAgc2VsZi54bWwgPSB4bWwKICAgICAgICBzZWxmLmRlbGF5ID0gZGVsYXkKICAgICAgICBz 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5 9

HP ILO2 , fence not working, with SSH port specified, a Bug?
by mad Engineer 30 Jun '14

30 Jun '14

hi i have an old HP server with ILO2 on manager i configured power management and configured SSH port to use for ILO2 for checking SSH i manually ssh to ILO and is working fine, but power management test always fail with "*Unable to connect/login to fencing device*" log shows its using fence_ilo instead of fence_ilo2 Thread-18::DEBUG::2014-06-30 08:23:14,106::API::1133::vds::(fenceNode) fenceNode(addr=XXXX,port=,*agent=ilo* ,user=Administrator,passwd=XXXX,action=status,secure=,options=ipport=22 ssl=no) Thread-18::DEBUG::2014-06-30 08:23:14,741::API::1159::vds::(fenceNode) rc 1 in agent=*fence_ilo* ipaddr=xxxxxxxxxx login=Administrator action=status passwd=XXXX ipport=22 ssl=no out err *Unable to connect/login to fencing device* *Manually testing* fence_ilo -a xxxxxx -l Administrator -p xxxxx -o status Status: ON but with ssh port specified ie *-u * fence_ilo -a xxxxxx -l Administrator -p xxxxx -o status -u 22 *Unable to connect/login to fencing device* So when we specify ssh port it fails and with out ssh port its working this is the case with ILO2 also for ilo3 and ilo4 since it does not ask for SSH port its working Is this a Bug Thanks,

2 2

Project vdsm-jsonrpc-java backup maintainer
by Sandro Bonazzola 29 Jun '14

29 Jun '14

Hi, looks like only one person has +2 / merge rights on vdsm-jsonrpc-java. I think every project should have a "backup" maintainer. Since it seems pkliczewski is the only committer there, I would like to propose him as maintainer too. -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

3 2

Tune HA timing,is it possible
by mad Engineer 29 Jun '14

29 Jun '14

Hi, Is it possible to tune time required to reboot VM in case of host failures. in our test we powered off one of the Host. Manager was still showing both Guest and Host as UP for around 5 minutes and after that it took another 4-5 minutes to start VM. Is there any tunable parameter that can be modified to bring down the time required to recognize Host failures. Thanks

2 1

[QE][ACTION REQUIRED] postponing beta release due to basic sanity test failure
by Sandro Bonazzola 28 Jun '14

28 Jun '14

Hi, while performing basic sanity test on 3.5.0 beta candidate I've seen the following bugs: Bug 1113882 - [ ERROR ] Failed to execute stage 'Closing up': [ERROR]::oVirt sdk is disconnected from the server. Bug 1113891 - storage domains are listed twice Bug 1113898 - New Virtual Machine dialog drop down list are all empty Bug 1113898 make impossible to create a new VM, so basic sanity test failed. We need to postpone beta release until this one is fixed. repoclosure test failed on F19: http://lists.ovirt.org/pipermail/users/2014-June/025475.html Since candidate beta build failed sanity test, I'm going to rebuild engine from master and repeat sanity test on the new build. -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

2 1

Engine - Changes to various issues around commands and queries construction and internal execution - please read
by Yair Zaslavsky 28 Jun '14

28 Jun '14

Hi all, Thanks to the help of Alon, oved, Tal, Moti, Arik and others, the following changes were introduced: 1. Internal commands invocation - When invoking an internal command from a command, please use the following : Instead of Backend.getInstance().runInternalAction... Use runInternalAction - a new method that was introdced at CommandBase. This method has two variants - one that accepts command context, and the other that does not have a command contet - runInternalAction(VdcActionType,VdcActionParametersBase,CommandContext) and runInternalAction(VdcActionType,VdcActionParametersBase) If CommandContext is not passed the context at the calling command will be cloned and set at the child command. If a Command context is pased - it should be the responsibility of the caller to clone, however, this will give the caller some degree of freedom to determine whether various parts of the context will be cloned, or not. Examples: runInternalAction(VdcActionType.AddPermission, permissionParams) has the same effect as : runInternlAction(VdcActionType.AddPermissiosn, permissionParams, getContext().clone()) runInternlAction(VdcActionType.AddPermissiosn, permissionParams, getContext().clone().withoutCompensationContext()) - will cause the compensation context to be reset, and let the child command determine the value of compensation context (at handleTransactivity method). The complete list of "context alteration methods" are - withCompensationContext(CompensationContext) , withoutCompensationContext() withLock(EngineLock), withoutLock() withExecutionContext(ExecutionContext), withoutExecutionContext() - bare in mind that all these follow the chaining method "design pattern" [1] (I would like to thank Moti for the naming suggestions) two methods for running InternalAction with context for tasks were created: runInternalActionWithTasksContext(VdcActionType, VdcActionParametersBase) runInternalActionWithTasksContext(VdcActionType, VdcActionParametersBase, EngineLock) These methods use ExecutionHandler.createDefaultContextForTasks to create the relevant command context to be passed to the child command. runInternalMultipleActions was introduced to command base in a similar manner, with 3 versions: runInternalMultipleActions(VdcActionType, ArrayList<VdcActionParametersBase>) runInternalMultipleActions(VdcActionType, ArrayList<VdcActionParametersBase>, ExecutionContext) runInternalMultipleActions(VdcActionType, ArrayList<VdcActionParametersBase>, CommandContext) 2. Queries invocation - runInternalQuery(VdcQueryType, VdcQueryParametersBase) was introduced to command base. Basically it takes the engine context from the current command context, and runs the internal query with it. EngineContext is the context which should hold all the common attributes to our flows at engine - currently it holds the engineSessionId, working towards moving correlationId to it as well. 3. Commands & Queries coding Each internal query should have a ctor that takes the parameters, and also the engine context . As some of the queries are both internal and non internal you may have two ctors - one with parameters only, one with parameters and EngineContext for example public class GetUnregisteredDiskQuery extends QueriesCommandBase { public GetUnregisteredDiskQuery(P parameters) { this(parameters, null); } public GetUnregisteredDiskQuery(P parameters, EngineContext context) { super(parameters, context); } Notice that the ctor without the context calls the one with the context. Same happens at Commands: public RemovePermissionCommand(T parameters) { this(parameters, null); } public RemovePermissionCommand(T parameters, CommandContext commandContext) { super(parameters, commandContext); } 4. runVdsCommand was introduced to CommandBase as well runVdsCommand(VDSCommandType, VdsCommandParameters) - currently this just runs the vds command on vds broker, working on propagating the engine context via vds broker as well. Please use the above in your code. If you see any issues , or places where its problematic to use, feel free to contact me. [1] http://en.wikipedia.org/wiki/Method_chaining

2 1

Node down,but ovirt still shows VM as up
by mad Engineer 27 Jun '14

27 Jun '14

Hi, I am using Cisco UCS C200 M2 as Host running Centos 6.5 and KVM, Power Management not working properly,hence even with Node down Ovirt shows VM as still up,with uptime of VM increasing(on the manager) if i continue and save the changes its causing problems: 1. HA is not working ( Node status changed to Non responsive but VM status still up!! 2. Restart of Host gives wrong information-it shows host as rebooting but actually nothing is happening to Host!! While configuring power management: On ovirtmanager edited Power management and chose cisco_ucs with proper authentication to CIMC,but when clicked on test,it shows *Test Failed, Failed: You have to enter plug number Please use '-h' for usage * What is this plug,i couldn't find anything in CIMC This can be the reason for failure of HA and restart Can someone please help me fix this Thanks

1 0

Stats for oVirt Downloads: Jan-May 2014
by Brian Proffitt 27 Jun '14

27 Jun '14

All: For some time, traffic statistics for the sites in the ovirt.org domain (lists, resources, gerrit, and linode01) have been collected and organized using awstats[1] at stats.ovirt.org[2]. From the data provided for resources, I have been able to put together what should be a fairly definitive set of statistics for software downloads within the oVirt Project. Methodology The statistics that were analyzed were for five parts of the project: * Engine * Live * Node * Engine Reports * Engine dwh Downloads of the Engine RPM file, it was determined, would be indicative of actual oVirt installs. The allinone RPMs were not analyzed at this time, since installing this RPM is a choice made during the installation process itself. Tracking the Engine Reports and dwh RPMs was done to determine the popularity of these two tools and to ensure their numbers were comparable. To count downloads, data was gathered each month that listed the total downloads of every file, a number derived from the total hits each file had, minus any 206 hits, which indicated incomplete downloads. Key files for Engine, Engine Reports, and Engine dwh were identified and the data filtered to include counts for each one of the files, in whatever version released. Tracking of Live and Node RPMs was already set up within the awstats reporting, and was taken directly from awstats in each month. If there is any part of this methodology that is in error, feedback is very much appreciated. Presentation of Data Data was aggregated using Pivot Tables in Google Docs, and the application of SUMIFS functions in the same spreadsheet document. This document is still being formatted into a more presentable form, but until then, I wanted to deliver some preliminary results to the community for the first five months of the year. It will be noted that in general, download numbers are on the rise, particularly around the time oVirt 3.4 was released. There are significant gaps in downloads of Engine Reports and Engine dwh. I am still investigating the cause of this lack of data. Engine Jan 5815 Feb 4251 Mar 1980 Apr 10509 May 12043 Engine Reports Jan 0 Feb 1209 Mar 0 Apr 10282 May 9647 Engine dwh Jan 0 Feb 603 Mar 0 Apr 9974 May 10311 Live Jan 845 Feb 757 Mar 739 Apr 1981 May 1187 Node Jan 95 Feb 757 Mar 739 Apr 1981 May 1187 Thanks for Alon Bar-Lev and Michael Scherer for their invaluable assistance with this data gathering and reporting. BKP [1] http://awstats.sourceforge.net/ [2] http://stats.ovirt.org/ -- Brian Proffitt oVirt Community Manager Project Atomic Community Lead Open Source and Standards, Red Hat - http://community.redhat.com Phone: +1 574 383 9BKP IRC: bkp @ OFTC

2 2

multipath configuration
by Yeela Kaplan 27 Jun '14

27 Jun '14

Hi, Currently multipath.conf is being rotated each time we reconfigure it. We'd like to change the behaviour for multipath.conf so that current configuration will be commented out and we'd stop rotating (in the same manner as libvirt conf works today). Does anybody have any comment for/ against? Thanks in advance, Yeela

7 14

Note on SearchableListModel.supportsServerSideSorting override
by Vojtech Szocs 27 Jun '14

27 Jun '14

Hi guys, I see that some UiCommon models, such as VmListModel, already have override for SearchableListModel.supportsServerSideSorting method. In general, any SearchableListModel subclass should contain: @Override public boolean supportsServerSideSorting() { return true; } if, and only if, its syncSearch method uses VdcQueryType.Search (Search query). This applies to all SearchableListModel subclasses, i.e. both main tab & sub tab list models. Due to current class inheritance where sub tab list models (like ClusterVmListModel) extend main tab list models (like VmListModel), please make sure to check following scenario: - main tab model uses Search query, supportsServerSideSorting=true - sub tab model does NOT use search query --> must provide override supportsServerSideSorting=false Thanks, Vojtech

1 0

Call for Papers in Two Weeks: Linux.conf.au
by Brian Proffitt 27 Jun '14

27 Jun '14

Conference: Linux.conf.au Information: Each year open source geeks from across the globe gather in Australia or New Zealand to meet their fellow technologists, share the latest ideas and innovations, and spend a week discussing and collaborating on open source projects. The conference is well known for the speakers and delegates depth of talent, and its focus on technical linux content. Possible topics: Virtualization, oVirt, KVM, libvirt, RDO, OpenStack, Foreman Date: January 12-15, 2015 Location: Auckland, New Zealand Website: http://lca2015.linux.org.au/ Call for Papers Deadline: July 13, 2014 Call for Papers URL: http://lca2015.linux.org.au/cfp Contact me for more information and assistance with presentations. -- Brian Proffitt oVirt Community Manager Project Atomic Community Lead Open Source and Standards, Red Hat - http://community.redhat.com Phone: +1 574 383 9BKP IRC: bkp @ OFTC

1 0

Host not restarting through manager
by mad Engineer 27 Jun '14

27 Jun '14

Hi, I have two UCS server,both are configured for power management, but when i put host to maintenance and restart it by selecting power management>restart on the OVirt Manager it shows as rebooting but the host is not really rebooting,i had the same issue with HP servers ILO2. What should i do to make it work Also under Host>power management>test is failing with "Test Failed, Failed: You have to enter plug number Please use '-h' for usage" Thanks for any help

1 0

[ACTION REQUIRED] unresolved deps for ovirt-optimizer-ui
by Sandro Bonazzola 27 Jun '14

27 Jun '14

package: ovirt-optimizer-ui-0.1-1.fc19.noarch from ovirt-3.5-beta-sanity unresolved deps: ovirt-optimizer-webadmin-portal >= 0:3.4 -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

1 0

[QE] [ACTION NEEDED] oVirt 3.5.0 Beta / branching delay
by Sandro Bonazzola 26 Jun '14

26 Jun '14

Hi, I started building ovirt-engine this morning as soon as ovirt infra team patches have been merged. The build is still running since 6 hours ago due to heavy load of jenkins slaves, so we couldn't perform basic sanity tests on the build yet. The build is based on git hash 54d6a0bba7e9d62f2ec3bd16157ca2387b57ab58 and is running here [1] As soon as it finishes we'll publish it on nightly master snapshot and will be tested tomorrow morning. If sanity test passes, the ovirt-engine-3.5 branch will be created from above hash with the content of the snapshot including the build [1]. Any other change to the repo other than critical fixes (like missing dependency fixes or new builds addressing critical issues) shouldn't be allowed in that yum repository. If you're aware of any critical issue fixed later than 54d6a0bba7e9d62f2ec3bd16157ca2387b57ab58 please let us know as soon as possible. Note to VDSM team, I see VDSM already branched a few days ago but in nightly snapshot builds are still coming from master branch and no jenkins job has been created for building from 3.5 yet. Please provide the right RPM needed for this beta release or the one built from master will be taken. I'm sorry for the delay. [1] http://jenkins.ovirt.org/job/ovirt-engine_master_create-rpms_merged/2105/ -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

1 0

Fwd: [ OWF 2014 ] CFP Deadline extended until 15th of July
by Brian Proffitt 26 Jun '14

26 Jun '14

Open World Forum 2014 (http://www.openworldforum.paris/en/) View this email in your browser (http://us2.campaign-archive2.com/?u=135959c7d6d8cb5b4d119799e&id=5d98457353…) http://www.openworldforum.paris/fr/ Deadline extended for the CFP : 15th of July (http://www.openworldforum.paris/en/cfp/) http://www.openworldforum.paris/en/cfp/ Classic and essential subjects such as Cloud computing, Data, Internet of Things, Dev, etc. will be treated from the point of view of users. We will also put a strong emphasis on trending topics : Security, Privacy, Trust and Mobility. If you wish to submit a proposal about one of these topics and many more, please do so on the page dedicated to the Call for Paper (http://openworldforum.org/en/cfp/) . http://www.openworldforum.paris/en/news/an-open-world-for-citizens/ THINK (http://www.openworldforum.paris/en/news/an-open-world-for-citizens/) "Open Access: for an Open and accessible to all Research ?" http://www.openworldforum.org/en/code/ CODE (http://www.openworldforum.org/en/code/) "Openness to take back technical control" http://www.openworldforum.org/en/experiment/ EXPERIMENT (http://www.openworldforum.org/en/experiment/) "An Open World Forum for Citizens" ============================================================ ** (http://mondomaine.paris/) Assuming its pioneering role, the Open World Forum is ranked within the first hundred websites to switch to the “.paris” TLD Wednesday 4th of June. It represents one more step towards a strong digital space for the OWF, giving us a complementary approach to the physical space on which the OWF was based upon. As an ambassador of this innovative initiative which promotes business activity on our territory, the OWF gets a local anchorage that measures up to its international ambition. Registrars, selected websites representatives and political figures were gathered at the first floor of the Eiffel tower to welcome this new domain name providing an original link between a digital location and a geographical location which has benefits from an excellent brand image. During the press conference, the OWF's team stood alongside with Anne Hidalgo, mayor of Paris, Jean-Louis Missika, the Deputy Mayor who has been carrying the project for six years, and a lot of others famour ambassadors (such as RATP, Desley, Paris Airport, DS World, Spotteo, Bercy Arena or the Eiffel tower). ** Contact(a)openworldforum.org (mailto:Contact@openworldforum.org) ** Sponsoring(a)openworldforum.org (mailto:Sponsoring@openworldforum.org) ** Press(a)openworldforum.org (mailto:Press@openworldforum.org) ** (http://openworldforum.org/en/) Copyright © 2014 OpenWorldForum, All rights reserved. You are receiving this email because you were registered to previous editions of OWF Our mailing address is: OpenWorldForum 8 Avenue de la Vauve Palaiseau 91127 France ** unsubscribe from this list (http://openworldforum.us2.list-manage1.com/unsubscribe?u=135959c7d6d8cb5b4d…) ** update subscription preferences (http://openworldforum.us2.list-manage.com/profile?u=135959c7d6d8cb5b4d11979…)

1 0

[QE] [ACTION NEEDED] oVirt 3.5.0 Test Day wiki
by Sandro Bonazzola 26 Jun '14

26 Jun '14

Hi, as you should know we're going to have oVier 3.5 first test day on Jul 1st. Maintainers and community, please start filling test day wiki [1] with relevant tests needed. [1] http://www.ovirt.org/OVirt_3.5_TestDay -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

2 3

[ACTION REQUIRED] ovirt-3.4-snapshot repository closure failures
by Sandro Bonazzola 26 Jun '14

26 Jun '14

Hi, ovirt-3.4-snapshot is currently failing repository closure test: http://jenkins.ovirt.org/job/repos_3.4_check-closure_merged/DISTRIBUTION=ce… due to missing vdsm packages. VDSM is not published since May 29th due to job failing: http://jenkins.ovirt.org/job/vdsm_3.4_create-rpms_merged/ Note that http://jenkins.ovirt.org/view/Publishers/job/publish_ovirt_rpms_nightly_3.4 is not marked as failing also if a required package is missing. Can infra take care of the publisher job and vdsm team of the failing build? Thanks, -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

3 2

VDSM sync meeting minutes June 24th, 2014
by Dan Kenigsberg 25 Jun '14

25 Jun '14

We have discussed the following matters. , I had very bad sound quality, so please follow up on this message with things that I have missed. 3.5 features ============ - https://admin.fedoraproject.org/updates/FEDORA-EPEL-2014-1683/mom-0.4.1-1.e… is deemed unstable (but is required by vdsm) - Last 3.5 feature has been merged in today, and the 3.5 clusterLevel is now reported. - Branching is slated to 2014-06-26 but since we already have a way-too-long merge queue on the master branch, I may branch a bit earlier (to re-open the flood gates). 3.5 bugs ======== - We have a quite old bug in pthreading, causing callers of wait() to be woken up needlessly. A pending patch by Nir should be reviewed by Saggi and yours truly. - lastClientIface is the only current hinderence known to me to moving to jsonrpc. Help us review Piotr's patches. 3.6 changes =========== - New getHostLeaseStatus verb should be approved by infra - Francesco posted a new threadpool implementation. It's implemented with statistics threads in mind, but should be used by storage/tasks, too. As such infra and storage folks should review it. - Yoav suggests in http://gerrit.ovirt.org/28869 to change our ages-old log format. I like double-colon as delimiter, but I may be old fasioned. It's a tiny oneliner, but everybody is going to be affected by it, so please review it. In particular, if anybody is using an automated tool to parse the logs - come forward, as we may break things up for you. - Domain monitor changes by Nir should be reviewed and approved by Federico. Thanks for joining! Dan.

6 8

Re: [ovirt-devel] [ovirt-users] HA not working 3.4.2
by mad Engineer 25 Jun '14

25 Jun '14

Thanks, I tried that and now the "!" is gone and from control panel restarted that server and it rebooted but the reboot happened only in Ovirt control panel and actual server hasn't rebooted nor got shutdown its up time still hasn't changed. Any idea whats wrong Thanks On Wed, Jun 25, 2014 at 12:46 AM, Joop <jvdwege(a)xs4all.nl> wrote: > On 24-6-2014 21:02, mad Engineer wrote: > > Thanks Arik, > I think that's the issue,i havent configured any > power management but could you tell me what to specify in power management > > i see Address,Username,Password,SSH port and Type. > > Using HP server with ILO2 so i filled Type as ILO2 but its confusing > what these > > * Address,Username,Password *are > > are these ILO credentials or My hypervisor credentials > > > ILO credentials. > > Joop > > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > >

1 0

Annotating internal commands
by Yair Zaslavsky 25 Jun '14

25 Jun '14

Hi, Some of you already got or will get emails from me asking if several commands are only internal or not. I basically check usages at rest-api and ui, but I might have missed something. IMHO, we should continue (until we device not to :) ) to annotate internal commands with the @InternalCommandAttribute Thanks, Yair

3 3

ioprocess on debian
by Yeela Kaplan 25 Jun '14

25 Jun '14

Hi, There's a new dependency for vdsm: python-ioprocess. We also need to build ioprocess for debian. Do you know who can be helping with that or what's the process? Thanks in advance, Yeela

6 12

[QE][ACTION NEEDED] oVirt 3.5.0 Beta status
by Sandro Bonazzola 25 Jun '14

25 Jun '14

Hi, We're going to compose oVirt 3.5.0 Beta on Thu *2014-06-26 08:00 UTC*. Maintainers: - Please be sure that master snapshot allow to create VMs before today *2014-06-25 15:00 UTC* The bug tracker [1] shows the following proposed blockers to be reviewed: Bug ID Whiteboard Status Summary 1073944 integration ASSIGNED Add log gathering for a new ovirt module (External scheduler) 1060198 integration NEW [RFE] add support for Fedora 20 About Add log gathering for a new ovirt module (External scheduler), patch have been merged on upstream sos master branch. For Fedora >= 19 sos-3.1 package includes the fix. For EL 6 patches need to be backported to ovirt-log-collector. Feature freeze is now effective, no more features should be pushed. Features included in 3.5.0 Beta are marked in green on Features Status Table [2] Some more features may be included since they were near to be completed on last sync meeting. The table will be updated on next sync meeting scheduled for today 2014-06-25. There are still 357 bugs [3] targeted to 3.5.0. Excluding node and documentation bugs we still have 294 bugs [4] targeted to 3.5.0. Maintainers / Assignee: - Please remember to rebuild your packages before today *2014-06-25 15:00* if needed, otherwise nightly snapshot will be taken. - Please be sure that master snapshot allow to create VMs before today *2014-06-25 15:00 UTC* - If you find a blocker bug please remember to add it to the tracker [1] - Please start filling release notes, the page has been created here [5] - Please review and add test cases to oVirt 3.5 Test Day [6] Community: - You're welcome to join us testing this beta release and getting involved in oVirt Quality Assurance[7]! [1] http://bugzilla.redhat.com/1073943 [2] http://bit.ly/17qBn6F [3] http://red.ht/1pVEk7H [4] http://red.ht/1rLCJwF [5] http://www.ovirt.org/OVirt_3.5_Release_Notes [6] http://www.ovirt.org/OVirt_3.5_TestDay [7] http://www.ovirt.org/OVirt_Quality_Assurance Thanks, -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

2 1

[QE][ACTION NEEDED] oVirt 3.4.3 RC status
by Sandro Bonazzola 25 Jun '14

25 Jun '14

Hi, We're going to start composing oVirt 3.4.3 RC on *2014-07-10 08:00 UTC* from 3.4 branch. A 3.4.3 branch will be created immediately after using the same hash of the build. The bug tracker [1] shows no blocking bugs for the release There are still 34 bugs [2] targeted to 3.4.3. Excluding node and documentation bugs we still have 12 bugs [3] targeted to 3.4.3. Maintainers / Assignee: - Please add the bugs to the tracker if you think that 3.4.3 should not be released without them fixed. - Please update the target to any next release for bugs that won't be in 3.4.3: it will ease gathering the blocking bugs for next releases. - Please fill release notes, the page has been created here [4] - Please build packages before *2014-07-09 15:00 UTC*. Community: - If you're testing oVirt 3.4 nightly snapshot, please add yourself to the test page [5] [1] bugzilla.redhat.com/1107968 [2] http://red.ht/1lBAw2R [3] http://red.ht/1ly9hfA [4] http://www.ovirt.org/OVirt_3.4.3_Release_Notes [5] http://www.ovirt.org/Testing/oVirt_3.4.3_Testing Thanks, -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

1 0

Update on QEMU Snapshot Package in CentOS
by Brian Proffitt 24 Jun '14

24 Jun '14

All: I spoke with KB at CentOS about maintaining the qemu package for the Virt SIG. He has expressed concerns that if oVirt curates the qemu package in order to have the snapshotting flag turned on, then there might arise a situation where each project within the SIG would be getting their own versions of qemu. To help mitigate against such an occurrence, KB suggested that oVirt take ownership of not the RHEL distro-specific version of qemu, but a more upstream version instead. Upon discussion with Douglas Landsgraf and Itamar, it seemed to make more sense to keep downloading from CentOS repo and rebuilding it with flag enabled and either sharing that with the SIG or inside our own oVirt repository. Basically, KB's issue that if oVirt does wish to curate this package on behalf of the SIG, that we as a project would be willing to manage all requests from the rest of the SIG participants (such as the example he raised, which was his personal wish that the vdi and Microsoft vpc formats be turned on as well, so he can build Azure images more easily). If we were willing to take on such a responsibility for the SIG, then this would mitigate multiple versions of qemu appearing. >From my side, I believe this is a reasonable expectation, given that we are going to get what we need within CentOS and still can be a responsible community player within the SIG. I put the question to the developers: is this something we want to undertake, or should we simply maintain our version of qemu within an oVirt-specific repository? Peace, Brian -- Brian Proffitt oVirt Community Manager Project Atomic Community Lead Open Source and Standards, Red Hat - http://community.redhat.com Phone: +1 574 383 9BKP IRC: bkp @ OFTC

5 11

HA not working 3.4.2
by mad Engineer 24 Jun '14

24 Jun '14

Hi i was testing HA of ovirt,(i am from Xenserver background and trying to use KVM solution in our environment) Have 2 hosts with NFS storage and i tested migration between these two hosts. On Host2 while VM was running on it, i unplugged Power cable and it took long minutes to update that VM is down,okkk now long wait...... .. ..... ....... VM state changed to *unkown *and not booted on second Node ie Host1 its been half an hour and still the VM is not restarted What can be the issue?What should i do it make the VM in real HA so that it will be restarted on the active node. *How HA is enabled* what i did was while creating vm> Advanced option>High Availability>Highly Available I am sure this can be a configuration error,Can some one please help me with enabling HA. Please Help Thanks

2 2

Update: artifactory problem is resolved (incident report)
by Eyal Edri 24 Jun '14

24 Jun '14

Hi, Today jenkins.ovirt.org had suffered a major incident which occured due to bad syncing from maven sonatype. it all started from the jboss commit "core: CDI workaournd jboss 7.1.1 bug", which was fixed later by roy, but for some reason (might be sonatype repo deleting ovirt artifacts), we were left with outdated jars in all jenkins local repos and on artifactory.ovirt.org. roy sent this morning how it should be resolved: - build is failing because ovirt-host-deploy needs refresh using -U . alonbl updates its artifacts just now so it should take a while to refresh but it didn't work. also didn't work: - cleaning cache from artifactory - deleting local maven repos from jenkins jobs what did work finally: - deleting the sonatype from artifactory.ovirt.org and creating it again, plug updating ovirt-mirror virtual as well. - some jobs might need to be updated/deleted local WS manually still - please report to infra on jobs that still fail. we probably need to think how to handle such incidents in the future (if sonatype continues to delete our jars...). any suggestions will be gladly considered. oVirt infra team. ----- Original Message ----- > From: "Sandro Bonazzola" <sbonazzo(a)redhat.com> > To: "Ohad Basan" <obasan(a)redhat.com>, "infra" <infra(a)ovirt.org> > Sent: Tuesday, June 24, 2014 6:22:35 PM > Subject: Re: artifactory problem is resolved > > Il 24/06/2014 17:10, Ohad Basan ha scritto: > > Hello > > > > the artifactory problem we had today (fetching the wrong host deploy) > > should be fixed > > send an email if you hit more problems > > http://jenkins.ovirt.org/job/ovirt-engine_master_create-rpms-quick_gerrit/2… > > > > > thanks, > > > > Ohad > > _______________________________________________ > > Infra mailing list > > Infra(a)ovirt.org > > http://lists.ovirt.org/mailman/listinfo/infra > > > > > -- > Sandro Bonazzola > Better technology. Faster innovation. Powered by community collaboration. > See how it works at redhat.com > _______________________________________________ > Infra mailing list > Infra(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/infra >

1 0

oVirt Node Weekly Meeting Minutes - June 24 2014
by Fabian Deutsch 24 Jun '14

24 Jun '14

Minutes: http://ovirt.org/meetings/ovirt/2014/ovirt.2014-06-24-13.11.html Minutes (text): http://ovirt.org/meetings/ovirt/2014/ovirt.2014-06-24-13.11.txt Log: http://ovirt.org/meetings/ovirt/2014/ovirt.2014-06-24-13.11.log.html ================================= #ovirt: oVirt Node Weekly Meeting ================================= Meeting started by fabiand at 13:11:08 UTC. The full logs are available at http://ovirt.org/meetings/ovirt/2014/ovirt.2014-06-24-13.11.log.html . Meeting summary --------------- * Agenda (fabiand, 13:11:46) * Stable Release (3.0.6) (fabiand, 13:12:31) * Next Release (3.1) (fabiand, 13:12:40) * Other Items (fabiand, 13:12:48) * Action Item Review (fabiand, 13:12:54) * LINK: http://resources.ovirt.org/meetings/ovirt/2014/ovirt.2014-06-17-13.01.txt (fabiand, 13:13:01) * LINK: http://gerrit.ovirt.org/#/c/29085/ (fabiand_, 13:18:40) * A patch to ovirt-node was required to fix some vdsm related bug, this bumps the stable release to 3.0.6 (fabiand_, 13:19:07) * Next Release (3.1) (fabiand, 13:22:20) * apuimedo_ is contributing patches to fix some corner cases of the persistence model (fabiand, 13:25:38) * ACTION: Node team once again to do a review sprint (fabiand, 13:28:42) * Other Items (fabiand, 13:32:03) * First TestDay is on July 1st (fabiand, 13:35:46) Meeting ended at 13:39:12 UTC. Action Items ------------ * Node team once again to do a review sprint Action Items, by person ----------------------- * **UNASSIGNED** * Node team once again to do a review sprint People Present (lines said) --------------------------- * fabiand (53) * fabiand_ (23) * apuimedo_ (12) * rbarry (7) * clarkee (6) * ovirtbot (4) * jboggs (3) * ewoud (1) * jboggs` (1) * bkp (1) * eedri (1) Generated by `MeetBot`_ 0.1.4 .. _`MeetBot`: http://wiki.debian.org/MeetBot

1 0

VDSM faqemu default memory change
by Martin Polednik 24 Jun '14

24 Jun '14

Hello I'm writing in order to propose a change to faqemu hook as indicated in [1], modifying the hook's default behavior: There are currently hardcoded x86_64 and PPC memory limits (20480 and 262144), this change would remove these implicit constraints and keep the memory unchanged. A new variable in configuration is introduced, fake_kvm_memory, which allows you to limit the memory for both these platforms to a value (or using unchanged memory by setting it to 0, which is default). This means that running faqemu without modification would consume up to 10x times memory using default VM memory memory size for x86_64 and unchanged for PPC. [1] http://gerrit.ovirt.org/#/c/28320/

2 2

Testing backported changes
by Kobi Ianko 24 Jun '14

24 Jun '14

Hi, Is there a nice way to check changes I backported to 3.4.1 without messing my 3.5 DB? 10x

5 4

engine got CDI support (finally)
by Roy Golan 23 Jun '14

23 Jun '14

I just recently merged the first CDI [1] patch into master. The patch enables the bll and common projects to have CDI supports but there is now usage still. Further more than the power to create managed beans one can inject dependencies to non-manage beans, e.g all our Command instances. All of the developers are encouraged to read and dig in a bit on the subject to leverage the power of it. I'll will arrange a hands on session. The slides introducing the subject can be found here [2] Also there's a nice mojo group for WELD [3], the reference implementation for CDI spec. join in. [1] http://docs.jboss.org/weld/reference/latest/en-US/html/ [2] https://mojo.redhat.com/docs/DOC-940608 [3] https://mojo.redhat.com/community/old_docspace/bu/middleware/engineering/pr… Thanks, Roy

1 0

Re: [ovirt-devel] [ovirt-users] Host Installation fails - Package openstack-neutron cannot be found
by Sandro Bonazzola 23 Jun '14

23 Jun '14

Il 12/06/2014 12:25, Moti Asayag ha scritto: > > > ----- Original Message ----- >> From: "Udaya Kiran P" <ukiran770(a)yahoo.in> >> To: "users" <users(a)ovirt.org> >> Sent: Wednesday, June 11, 2014 10:25:37 AM >> Subject: [ovirt-users] Host Installation fails - Package openstack-neutron cannot be found >> >> Hi All, >> >> I am trying to add a new Host, with External Network Provider - Neutron. Host >> installation fails in oVirt Engine with below error. >> > > What is the version of the neutron server you're using ? > > you can find repositories here: > http://repos.fedorapeople.org/repos/openstack/openstack-havana/ If the above repository is now required in order to deploy hosts, please send a patch to ovirt-release project and/or open a BZ to be sure we enable that repository by default. Thanks. > >> Please help me resolve this >> >> 2014-06-11 12:54:34 ERROR otopi.plugins.otopi.packagers.yumpackager >> yumpackager.error:97 Yum Cannot queue package openstack-neutron: Package >> openstack-neutron cannot be found >> 2014-06-11 12:54:34 DEBUG otopi.context context._executeMethod:152 method >> exception >> Traceback (most recent call last): >> File "/tmp/ovirt-YnooVggSrR/pythonlib/otopi/context.py", line 142, in >> _executeMethod >> method['method']() >> File >> "/tmp/ovirt-YnooVggSrR/otopi-plugins/ovirt-host-deploy/openstack/neutron.py", >> line 81, in _packages >> self.packager.installUpdate(('openstack-neutron',)) >> File "/tmp/ovirt-YnooVggSrR/pythonlib/otopi/packager.py", line 139, in >> installUpdate >> ignoreErrors=ignoreErrors, >> File "/tmp/ovirt-YnooVggSrR/otopi-plugins/otopi/packagers/yumpackager.py", >> line 295, in install >> ignoreErrors=ignoreErrors >> File "/tmp/ovirt-YnooVggSrR/pythonlib/otopi/miniyum.py", line 865, in install >> **kwargs >> File "/tmp/ovirt-YnooVggSrR/pythonlib/otopi/miniyum.py", line 514, in _queue >> package=package, >> RuntimeError: Package openstack-neutron cannot be found >> 2014-06-11 12:54:34 ERROR otopi.context context._executeMethod:161 Failed to >> execute stage 'Package installation': Package openstack-neutron cannot be >> found >> >> >> Thank you, >> >> Regards, >> Udaya Kiran >> >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

3 5

Re: [ovirt-devel] F20 python 2.7.5-12 breaks cpopen
by Dan Kenigsberg 23 Jun '14

23 Jun '14

It's a bit confusing, but this is not a task for infra@ovirt, but for the the similarly-named but utterly different team of ovirt developers, who prefer patches to be sent as pull requests to https://github.com/ovirt-infra/cpopen On Mon, Jun 23, 2014 at 05:19:01AM -0400, Francesco Romani wrote: > The attached patch fixes locally. > > > ----- Original Message ----- > > From: "Francesco Romani" <fromani(a)redhat.com> > > To: "infra" <infra(a)ovirt.org> > > Sent: Monday, June 23, 2014 10:48:23 AM > > Subject: F20 python 2.7.5-12 breaks cpopen > > > > Hi Infra, > > > > I just discovered the hard way that the last python package in F20 > > > > # rpm -qi python > > Name : python > > Version : 2.7.5 > > Release : 12.fc20 > > Architecture: x86_64 > > Install Date: Mon 23 Jun 2014 08:28:32 AM CEST > > Group : Development/Languages > > Size : 80819 > > License : Python > > Signature : RSA/SHA256, Thu 19 Jun 2014 04:49:28 PM CEST, Key ID > > 2eb161fa246110c1 > > Source RPM : python-2.7.5-12.fc20.src.rpm > > Build Date : Thu 19 Jun 2014 02:54:35 PM CEST > > Build Host : buildvm-24.phx2.fedoraproject.org > > Relocations : (not relocatable) > > Packager : Fedora Project > > Vendor : Fedora Project > > URL : http://www.python.org/ > > Summary : An interpreted, interactive, object-oriented programming > > language > > > > [...] > > > > Includes this apparently innocuous change: > > * Thu Jun 19 2014 Bohuslav Kabrda <bkabrda(a)redhat.com> - 2.7.5-12 > > - Fix test failures with SQLite 3.8.4 > > - Fix double close of subprocess pipes when child process fails Resolves: > > rhbz#1103450 <<< THIS ONE! > > > > Which is > > http://hg.python.org/cpython/rev/43749cb6bdbd > > > > If we try to run VDSM tests using cpopen 1.3-2[1] > > > > we'll get: http://fpaste.org/112115/ > > > > the fix is simple: just use execute_child_v276 and everything will work > > again. > > How can we detect and react properly to this schenario, however? > > > > Thanks, > > > > +++ > > > > [1] > > # rpm -qi python-cpopen > > Name : python-cpopen > > Version : 1.3 > > Release : 2.fc20 > > Architecture: x86_64 > > Install Date: Sat 15 Feb 2014 09:50:01 PM CET > > > > > > -- > > Francesco Romani > > RedHat Engineering Virtualization R & D > > Phone: 8261328 > > IRC: fromani > > _______________________________________________ > > Infra mailing list > > Infra(a)ovirt.org > > http://lists.ovirt.org/mailman/listinfo/infra > > > > -- > Francesco Romani > RedHat Engineering Virtualization R & D > Phone: 8261328 > IRC: fromani > From a5895505d051dfe387c573474e71b3faf696fcf0 Mon Sep 17 00:00:00 2001 > From: Francesco Romani <fromani(a)redhat.com> > Date: Mon, 23 Jun 2014 11:17:47 +0200 > Subject: [PATCH] compatibility with F20's python 2.7.5-12 I'd prefer the commit message to state the exact exception seen, so that other user could find the fixing patch more easily. > > --- > cpopen/__init__.py | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/cpopen/__init__.py b/cpopen/__init__.py > index 46ed446..cea001e 100644 > --- a/cpopen/__init__.py > +++ b/cpopen/__init__.py > @@ -26,6 +26,7 @@ This is a simpler method of execing that doesn't go back to python after > forking. This allows for faster safer exec. > """ > > +import inspect > import os > import sys > from subprocess import Popen, PIPE > @@ -101,5 +102,7 @@ class CPopen(Popen): > > if sys.version_info[0:3] >= (2, 7, 6): > _execute_child = _execute_child_v276 > + elif 'to_close' in inspect.getargspec(Popen._execute_child).args: > + _execute_child = _execute_child_v276 > else: > _execute_child = _execute_child_v275 > -- > 1.9.3 > > _______________________________________________ > Infra mailing list > Infra(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/infra

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[oVirt 3.5 Localization Question #4] "Random Generator"
by Yuko Katabami 23 Jun '14

23 Jun '14

This is a multi-part message in MIME format. --------------010305010700050802020700 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hello again. I would like to ask another question. * File:***CommonApplicationConstants* **Resource ID:*** rngDeviceTab* **Strings:***Random Generator *Question: *Is "Random Generator" same as "Random Number Generator" which appears many times in 3.5 strings? Kind regards, Yuko --------------010305010700050802020700 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit <html> <head> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> </head> <body text="#000000" bgcolor="#FFFFFF"> Hello again. I would like to ask another question. File: CommonApplicationConstants Resource ID: <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> rngDeviceTab Strings: Random Generator Question: Is "Random Generator" same as "Random Number Generator" which appears many times in 3.5 strings? Kind regards, Yuko <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> <div class="moz-signature"> </div> </body> </html> --------------010305010700050802020700--

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Sampling threads reduction
by Francesco Romani 23 Jun '14

23 Jun '14

Hi everyone, Over the last few days I've been working on an concept to reduce the number of threads in VDSM. Currently, one of the biggest source of them is the VM statistics sampling: We have one thread per VM in charge to do so, and this is obviously poorly scalable. I tried for quite some time to solve this at libvirt level, but according to my findings and feelings, that whould require a huge patch. In the process of studying libvirt, I came up with a simple idea which, according to the initial tests, seems to work quite nicely and I'd like to discuss. The concept is to start with a thread pool (http://en.wikipedia.org/wiki/Thread_pool) and to add the few additions needed by VDSM: 1. to detect and take care of 'stuck' tasks 2. to avoid a 'stuck' task deplenish the worker pool 3. to avoid to start leak threads on a 'stuck' task I failed to find an existing thread pool which had those additions, so I wrote a new one from scratch: https://github.com/mojaves/vdsm/tree/master/lib/threadpool Then I spawned a new subpackage (a-la zombiereaper) and I consolidated the existed thread pool (from the storage subsystem) and added some longer doc. Please note that the storage had no changes except the trivial import fixes. Lastly, I've also added a small compatibility module for concurrent.futures, which is a very nice python module which provides a convenient interface to asynchronously execute callables; this module is included in python 3.2 (https://docs.python.org/3.3/library/concurrent.futures.html#module-concurre…) and there is a backport for python 2.x. This can also allow us (as in the virt group) to consolidate all the long running async operations using the same interface and code. Please note that I reimplemented a thread pool mostly to be able to experiment with the concepts listed above, which I failed to find implemented elsewhere in existing packages. I'm fine to see them reimplemented elsewhere, since I now believe they collectively provide a viable solution for us. The vdsm/virt/sampling.py has been my testbed, and the patch came up nice This is the bulk of the work https://github.com/mojaves/vdsm/commit/2b4c96f9ca3566f0c2f1426beff4400d5311… Here all the changes, most of them are small adjustements https://github.com/mojaves/vdsm/commits/master/vdsm/virt/sampling.py and here is how it will looks like https://github.com/mojaves/vdsm/blob/master/vdsm/virt/sampling.py I'd like the sampling thread mess sorted out in time for 3.6, so please share your thoughts! Thanks and best regards, -- Francesco Romani RedHat Engineering Virtualization R & D Phone: 8261328 IRC: fromani

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Re: [ovirt-devel] [oVirt 3.5 Localization Question #8] "moveDisplayNetworkWarning"
by Yevgeny Zaspitsky 22 Jun '14

22 Jun '14

networkOperationMessage is built dynamically in the run-time (e.g. "Attach <NetworkName> to <InterfaceName>"). The final message depends on operation type and its argument(s) (1 or 2). The possible networkOperationMessage does not include '.' (dot sign) at the end so that was added in order to separate the warning from the operation description. Regards, Yevgeny ----- Original Message ----- > From: "Dan Kenigsberg" <danken(a)redhat.com> > To: yzaspits(a)redhat.com > Cc: lvernia(a)redhat.com > Sent: Friday, June 20, 2014 3:39:47 PM > Subject: Re: [ovirt-devel] [oVirt 3.5 Localization Question #8] "moveDisplayNetworkWarning" > > Hi Yevgeny, I think you are the best to answer this question. > > On Fri, Jun 20, 2014 at 10:08:18PM +1000, Yuko Katabami wrote: > > > > On 06/19/2014 06:28 PM, Yuko Katabami wrote: > > >Hello, > > > > > >This is our last question for today. > > > > > >*File:***ApplicationMessages > > >*Resource IDs:*** moveDisplayNetworkWarning > > >*String:***{0}. Moving the display network will drop VM console > > >connectivity until they are restarted. > > >*Question:* From the source comment "0=networkOperationMessage" I can see > > >that {0} will be replaced with network operation messages. I wonder if > > >each of those messages already contains a fullstop. If so, it will have > > >two full stops. Could you please give me the example of those messages, so > > >that we can check our corresponding translation in Zanata (whether > > >fullstops are included or not). > > Is the variable {0} going to be replaced with messages that start > > with"$detailMessage"? > > I found them newly added to the current project we are translating. > > > > Kind regards, > > > > Yuko > > > > > > > > >Kind regards, > > > > > >Yuko > > > > > > > > >_______________________________________________ > > >Devel mailing list > > >Devel(a)ovirt.org > > >http://lists.ovirt.org/mailman/listinfo/devel > > > > > > > _______________________________________________ > > Devel mailing list > > Devel(a)ovirt.org > > http://lists.ovirt.org/mailman/listinfo/devel > >

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[oVirt 3.5 Localization Question #2] "Update display network on cluster with an active VM" (audit log)
by Yuko Katabami 22 Jun '14

22 Jun '14

This is a multi-part message in MIME format. --------------070201030401020800080109 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hello again. I would like to ask another question with the following details: *File:***LocalizedEnums* **Resource ID:*** AuditLogType___NETWORK_UPDATE_DISPLAY_FOR_CLUSTER_WITH_ACTIVE_VM* **Strings:*** Update display network on cluster with an active VM *Question:* Is this string an instruction to the user to update the display network? Since the resource ID suggests it is audit log, there might be a possibility that it is actually meant to be a past event (i.e. "Updated"). Kind regards, Yuko --------------070201030401020800080109 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit <html> <head> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> </head> <body text="#000000" bgcolor="#FFFFFF"> Hello again. I would like to ask another question with the following details: File: LocalizedEnums Resource ID: <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> AuditLogType___NETWORK_UPDATE_DISPLAY_FOR_CLUSTER_WITH_ACTIVE_VM Strings:  <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> Update display network on cluster with an active VM Question: <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> Is this string an instruction to the user to update the display network? Since the resource ID suggests it is audit log, there might be a possibility that it is actually meant to be a past event (i.e. "Updated"). Kind regards, Yuko <div class="moz-signature"> </div> </body> </html> --------------070201030401020800080109--

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[VDSM] [PATCH] Pthreading pull requests for review
by Nir Soffer 21 Jun '14

21 Jun '14

Hi all, Please review these pull requests for pthreading: - https://github.com/ovirt-infra/pthreading/pull/5 tests: Improve Condition tests - https://github.com/ovirt-infra/pthreading/pull/6 Simpler and more correct handling spurious wakeups v3 Thanks, Nir

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[VDSM] [PATCH] Simpler and more correct handling spurious wakeups
by Nir Soffer 20 Jun '14

20 Jun '14

Hi all, Please review this pull request for pthreading: https://github.com/ovirt-infra/pthreading/pull/4 Thanks, Nir

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design flaw in ovirt
by Sven Kieske 20 Jun '14

20 Jun '14

Hi, please consider this bugreport: https://bugzilla.redhat.com/show_bug.cgi?id=1111520 it is about the default fencing behaviour of ovirt in the special case of a single node cluster when a logical network marked as "required" is not available on the single host in the cluster. the default behaviour is, to shutdown all vms. You can find reasoning in the BZ why this is, well, "bad", to say the least. Thanks in advance. -- Mit freundlichen Grüßen / Regards Sven Kieske Systemadministrator Mittwald CM Service GmbH & Co. KG Königsberger Straße 6 32339 Espelkamp T: +49-5772-293-100 F: +49-5772-293-333 https://www.mittwald.de Geschäftsführer: Robert Meyer St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen

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