ovirt3.5 - deep dive - foreman bare metal provisioning
by Barak Azulay
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The following meeting has been modified:
Subject: ovirt3.5 - deep dive - foreman bare metal provisioning
Organizer: "Barak Azulay" <bazulay(a)redhat.com>
Time: Tuesday, August 12, 2014, 5:00:00 PM - 5:30:00 PM GMT +02:00 Jerusalem
Required: users(a)ovirt.org; devel(a)ovirt.org; ybronhei(a)redhat.com; ovedo(a)redhat.com; Karli.Sjoberg(a)slu.se; don(a)techcetera.com; sabose(a)redhat.com; anish.mohan1(a)tcs.com; jorick(a)netbulae.eu; sbonazzo(a)redhat.com; otavio.ferranti(a)eldorado.org.br ...
Optional: wlbleaboy(a)126.com; jweiss(a)mairie-saint-ouen.fr
*~*~*~*~*~*~*~*~*~*
This session will introduce the integration with foreman bare metal provisioning with oVirt.
wiki: http://www.ovirt.org/Features/AdvancedForemanIntegration
Google hangout link : https://www.youtube.com/watch?v=gozX891kYAY
Thanks
Barak Azulay
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SUMMARY:ovirt3.5 - deep dive - foreman bare metal provisioning
ATTENDEE;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DNEEDS-ACTION;RSVP=3DTRUE:mailto:=
users@o
virt.org
ATTENDEE;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DNEEDS-ACTION;RSVP=3DTRUE:mailto:=
devel@o
virt.org
ATTENDEE;CN=3Dybronhei;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DNEEDS-ACTION;RSVP=
=3DTRUE:ma
ilto:ybronhei@redhat.com
ATTENDEE;CN=3DOved Ourfalli;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DNEEDS-ACTION;=
RSVP=3DTR
UE:mailto:ovedo@redhat.com
ATTENDEE;CN=3D"Karli Sj=C3=B6berg";ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DDECLIN=
ED;RSVP=3DTRUE
:mailto:Karli.Sjoberg@slu.se
ATTENDEE;CN=3DDon Harris;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DDECLINED;RSVP=3D=
TRUE:mail
to:don@techcetera.com
ATTENDEE;CN=3DSahina Bose;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DACCEPTED;RSVP=
=3DTRUE:mai
lto:sabose@redhat.com
ATTENDEE;CN=3DAnish Mohan1/MUM/TCS;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DACCEPT=
ED;RSVP
=3DTRUE:mailto:anish.mohan1@tcs.com
ATTENDEE;CN=3Djorick(a)netbulae.eu;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DACCEPTED=
;RSVP=3DT
RUE:mailto:jorick@netbulae.eu
ATTENDEE;CN=3DSandro Bonazzola;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DACCEPTED;R=
SVP=3DTRU
E:mailto:sbonazzo@redhat.com
ATTENDEE;CN=3DOtavio Luiz Ferranti;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DDECLIN=
ED;RSVP
=3DTRUE:mailto:otavio.ferranti@eldorado.org.br
ATTENDEE;CN=3DVojtech Szocs;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DACCEPTED;RSVP=
=3DTRUE:m
ailto:vszocs@redhat.com
ATTENDEE;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DDECLINED;RSVP=3DTRUE:mailto:dbis=
hop@con
trolscan.com
ATTENDEE;CN=3DBrandon Salmon;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DDECLINED;RSV=
P=3DTRUE:
mailto:bsalmon@tintri.com
ATTENDEE;CN=3D"=E5=8A=9B=E6=B3=A2 =E7=8E=8B";ROLE=3DOPT-PARTICIPANT;PARTSTA=
T=3DACCEPTED;RSVP=3DTRUE:mailto:w
lbleaboy(a)126.com
ATTENDEE;CN=3DJean-Pierre WEISS;ROLE=3DOPT-PARTICIPANT;PARTSTAT=3DNEEDS-ACT=
ION;RSV
P=3DTRUE:mailto:jweiss@mairie-saint-ouen.fr
ORGANIZER;CN=3DBarak Azulay:mailto:bazulay@redhat.com
DTSTART;TZID=3D"Asia/Jerusalem":20140812T170000
DTEND;TZID=3D"Asia/Jerusalem":20140812T173000
STATUS:CONFIRMED
CLASS:PUBLIC
X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
TRANSP:OPAQUE
LAST-MODIFIED:20140811T160505Z
DTSTAMP:20140811T160505Z
SEQUENCE:1
DESCRIPTION:The following meeting has been modified:\n\nSubject: ovirt3.5 -=
=20
deep dive - foreman bare metal provisioning \nOrganizer: "Barak Azulay" <b=
az
ulay(a)redhat.com> \n\nTime: Tuesday\, August 12\, 2014\, 5:00:00 PM - 5:30:=
00
PM GMT +02:00 Jerusalem\n \nRequired: users(a)ovirt.org\; devel(a)ovirt.org\;=
y
bronhei(a)redhat.com\; ovedo(a)redhat.com\; Karli.Sjoberg(a)slu.se\; don@techcet=
er
a.com\; sabose(a)redhat.com\; anish.mohan1(a)tcs.com\; jorick(a)netbulae.eu\; sb=
on
azzo(a)redhat.com\; otavio.ferranti(a)eldorado.org.br ... \nOptional: wlbleabo=
y@
126.com\; jweiss(a)mairie-saint-ouen.fr \n\n*~*~*~*~*~*~*~*~*~*\n\nThis sess=
io
n will introduce the integration with foreman bare metal provisioning with=
o
Virt. \n\nwiki: http://www.ovirt.org/Features/AdvancedForemanIntegration\n=
Go
ogle hangout link : https://www.youtube.com/watch?v=3DgozX891kYAY\n\nThank=
s\nB
arak Azulay\n
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------=_Part_28038626_1410674138.1407773105732--
10 years, 4 months
Re: [ovirt-devel] GWT debug slowness.
by Vojtech Szocs
Hi Alex,
(adding devel list to share it with others)
I really appreciate that you took the time to analyze GWT EventBus activity!
As we discussed on IRC, @ProxyEvent in AbstractSubTabPresenter is the most
likely cause of overall UI slowness after successful user authentication.
Fix for this should be rather easy and harmless, please add me as reviewer
once you come up with the relevant patch.
Another thing is "refresh on logout" for all (both) GWT applications. This
is mainly due to planned SSO changes (there will be a dedicated interactive
login page for entire Engine); for us it means that "login" section of all
GWT applications will be unnecessary. Before that, however, we can already
implement "refresh on logout". As a nice side effect, we can remove some of
our infra (UiCommonInitEvent & friends) to make it more simple.
Please find some more comments below (inline).
Thanks,
Vojtech
----- Original Message -----
> From: "Alexander Wels" <awels(a)redhat.com>
> To: vszocs(a)redhat.com
> Cc: ecohen(a)redhat.com, gshereme(a)redhat.com
> Sent: Friday, July 25, 2014 7:59:56 PM
> Subject: Re: GWT debug slowness.
>
> On Friday, July 25, 2014 09:28:33 AM Alexander Wels wrote:
> > Vojtech,
> >
> > I know you suggested that maybe the event bus was getting overloaded with
> > events might be the cause of the slowness in the GWT debug mode. So I
> > modified the event bus implementation to record the number of events, their
> > handlers, and the occurrences of those events.
> >
> > This is right after the login page is loaded.
> > +---------------------------------------------------+-----------+-----------
> > +
> > |Type |handlers |fired
> > ||
> > +---------------------------------------------------+-----------+-----------
> > +
> > |event: ApplicationFocusChangeEvent: |0 |2
> > || event: LockInteractionEvent: |2 |2
> > | | event: NavigationEvent: |0 |1
> > | | event: PlaceRequestInternalEvent: |111 |1
> > | | event: ResetPresentersEvent: |1 |1
> > | | event: RevealRootLayoutContentEvent: |1
> > ||1 |
> > +---------------------------------------------------+-----------+-----------
> > +
Just for clarification:
* ApplicationFocusChangeEvent - fired by our infra whenever browser/window
gains or looses focus (we use this to throttle UiCommon model refresh
timers, i.e. when out of focus, lower the refresh rate)
* LockInteractionEvent - fired by GWTP infra, indicates that UI interaction
should be avoided because the application is currently in transition from
one place to another (in practice, invisible "glass" <div> element covers
the entire viewport during transition, see RootPresenter.RootView)
Note: we had plans to provide some "In progress..." label (just like you
see in Gmail) to make this obvious to end users, there's also RFE on this
* NavigationEvent - fired by GWTP infra, it's a hook we don't use
* PlaceRequestInternalEvent - fired by GWTP infra, PlaceManagerImpl fires
this event to ask all proxies: "which one of you can reveal a presenter
with name token xxx" (i.e. "dataCenters-clusters")
Note: handler count is high because EACH presenter proxy adds handler
for this event.
* ResetPresentersEvent - fired by GWTP infra, after transition to new place
is complete, trigger "onReset" lifecycle method on all presenters present
on "reveal path" (from leaf to root)
* RevealRootLayoutContentEvent - fired by GWTP infra, this makes GWTP root
presenter/view reveal within the browser/window viewport
> >
> > This is right after you login, and the VM main tab is displayed
> > +---------------------------------------------------+-----------+-----------
> > +
> > |Type |handlers |fired
> > ||
> > +---------------------------------------------------+-----------+-----------
> > +
> > |event: UiCommonInitEvent: |715 |1
> > || event: RestApiSessionAcquiredEvent: |1 |1
> > | | event: UserLoginChangeEvent: |3 |1
> > | | event: ApplicationFocusChangeEvent: |80 |2
> > | | event: LockInteractionEvent: |2 |3
> > | | event: NavigationEvent: |0
> > ||1 | event: PlaceRequestInternalEvent: |205
> > | |2 | event: InitializeEvent: |167
> > | |170 | event: SSOTokenChangeEvent: |1
> > | |1 | event: ResetPresentersEvent: |1
> > | |1 | event: RevealRootLayoutContentEvent:
> > ||1 |1 |
> > +---------------------------------------------------+-----------+-----------
> > +
Most of these events are fired by our own infra.
UiCommonInitEvent has so many handlers due to following components:
* TabModelProvider (access to UiCommon models)
* AbstractActionPanel (for each "action button" definition!)
* UiCommandButtonDefinition (button bound to UiCommon model "command")
* AbstractRefreshManager (controlling refresh of list models)
* ModelBoundTab (tab's properties bound to UiCommon model properties)
* AbstractActionTable (added recently, for search string change stuff)
* some more classes (UserPortalConfigurator, WebAdminConfigurator,
SearchPanelPresenterWidget)
Each component mentioned above needs to be notified when relevant
UiCommon model changes. As you might know, on each login, current
CommonModel (root model) instance is thrown away (if any) and new
CommonModel instance is created. CommonModel in turn creates its
"child" models, which create their "child" models, etc. This is,
in my opinion, one of the BIGGEST flaws of UiCommon code design;
it makes models tightly coupled with all subsequent consequences.
(As with any kind of design, once it's put to use on a bigger scale,
it's really hard to change in a way that's consistent, safe and not
too invasive.)
I was, for a very long time, convinced that we can still have a nice
single-page AJAX GWT UI application that doesn't need "refresh on
logout", i.e. application that properly handles UiCommon. In light
of upcoming SSO changes, however, we should do "refresh on logout".
This will allow us to:
* (future) eliminate GWT login screen entirely, in favor of SSO
interactive login page
* (now) eliminate complex infra (UiCommonInitEvent & friends)
in order to properly use UiCommon in single-page application
scenario
(BTW, PlaceRequestInternalEvent handler count increased from 111
to 205, not sure what is the exact cause of this, I'd have to dig
deeper into GWTP infra code.)
> >
> > As you can see the number of events fired is not all that high, the only
> > somewhat strange thing, is that there are a huge number of
> > UiCommonInitEvent handlers. Doing a quick search reveals that every tab
> > provider, every refresh manager (refresh button) and a whole bunch of other
> > widgets all have handlers, which does explain the huge number of handlers.
Yup. All of this is needed to properly use UiCommon in single-page
scenario, i.e. UI components need to be notified whenever UiCommon
model instances change (typically due to UI login).
If UiCommon wasn't designed to instantiate whole model tree right
on successful login (replacing old instances with new ones), we
wouldn't have to deal with this issue. The whole UiCommonInitEvent
infra is to ensure we use UiCommon in a way it was designed to be
used.
> >
> > In short I don't think the slowness is related to the EventBus at this
> > point
> > in time and I will have to look else where for the problem.
> >
>
> To respond to myself (isn't talking to yourself a sign of insanity?).
Nah :) re-thinking what you thought previously is a good thing.
> I did
> some profiling
> while running in GWT debug mode, and I discovered the following sequence of
> events
> which seems to be related to the huge number of UiCommonInitEvent handlers.
>
> I found that most of the time was taken during the UiCommonInitEvent firing.
> which
> led me to see which one of the handlers was taking so long. So I profiled the
> time each
> handler took to complete. I noticed something really strange, the tab
> providers all
> took between 0 and 1ms.
It's because TabModelProvider#onCommonModelChange is not special in any way.
> But every single sub tab presenter for every single
> sub tab
> was taking between 500 and 3000ms depending on the presenter.
It's because creation of presenter triggeres creation of view, and creation
of view triggers HTML DOM operations which can be expensive, depending on
the complexity of the view/HTML.
It's very important to realize that presenter must be first created and bound
(presenter's proxy takes care of this) and only THEN presenter is able to deal
with events such as UiCommonInitEvent.
@ProxyEvent causes event handler to be registered on proxy itself - whenever
such event occurs, proxy will create & bind presenter and call corresponding
@ProxyEvent method on presenter.
This is also why you're observing 500 .. 3000ms times.
> Since we have
> like
> 200 of those presenters, every single one of them was being
> called/initialized and
> taking time, even if we never used them. It turns out we had a ProxyEvent on
> AbstractSubTabPresenter, which would cause every single sub tab presenter to
> load
> (since they were code splitted, this takes a lot of requests).
>
> @ProxyEvent
> public void onUiCommonInit(UiCommonInitEvent event) {
> ...initialize some handlers...
> }
Correct! @ProxyEvent is a "lazy" programmer's trick to ensure that presenter
never misses on any event of given type.
The downside is that when such event (UiCommonInitEvent) happens, possibly
TONS of presenters (and associated views) will be created & bound.
As we discussed, we can improve this by moving relevant code into onBind()
presenter lifecycle callback.
>
> So what I did to solve the problem, I removed the @ProxyEvent, and renamed it
> initializeHandlers. Then instead of them being called in response to the
> onUiCommonInit event, I put the call in onBind of the presenter. If I
> understand the
> GWTP life cycle correctly this should have the same effect as before (the
> handlers are
> initialized before they are needed) and thus everything should work the same.
onBind() is called once per lifetime of bound object.
All presenters are singletons, so onBind() is called once in their lifetime.
A common trick is to do following in onBind():
// For any future occurences of event
registerHandler(eventBus.addHandler(..foo()..));
// For the first time, if needed
foo();
(Assuming foo() contains init logic sensitive to given event.)
>
> The results that I have observed so far from these changes:
> - GWT debug mode login takes ~50s instead of 4:30.
> - The number of requests to the engine dropped from around 80 to around 20.
> - In compiled mode the login is much much faster.
> - I haven't checked the memory usage, but I am guessing it will be much lower
> with all
> presenters not being in memory until they are needed.
Great stuff! Maybe we could squeeze this in 3.5 too :)
>
> My only concern at this point, is that I am not aware of a particular
> sequence that
> requires the presenters to be present somewhere, and now they are not, and
> something doesn't work.
Communication is mostly done through events, so EventBus is essentially
the only direct dependency between all presenters. In practice, there
might be exceptions, but in general, events are to decouple presenters.
As for your concern - I don't think we should worry about it. GWTP infra
will always load presenters when they are needed (i.e. for the reveal of
requested place). Our code CAN load them even earlier, if needed (like
with @ProxyEvent).
> In my limited testing everything worked the same as
> before,
> but obviously I haven't touched every single tab and sub tab.
>
> One more thing to note, the proxy event has been like that since before I
> joined Red
> Hat, so again this is NOT the cause for the recent slowdown, but something in
> the
> presenters could have added some time to each of them causing the huge number
> of
> them combined to have a large impact.
The number of sub tabs (and associated UiCommon models) grew over time,
so there's (I think) cumulative performance impact of @ProxyEvent in
AbstractSubTabPresenter.
Sure, there might be other bottlenecks, but we can improve this right
now and gain substantial speed/performance improvement.
(Great job!)
>
> Alexander
>
> > Alexander
>
>
10 years, 4 months
ovirt3.5 - deep dive - foreman bare metal provisioning
by Barak Azulay
------=_Part_27312009_1456966760.1407709448541
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
The following is a new meeting request:
Subject: ovirt3.5 - deep dive - foreman bare metal provisioning
Organizer: "Barak Azulay" <bazulay(a)redhat.com>
Time: Tuesday, August 12, 2014, 5:00:00 PM - 5:30:00 PM GMT +02:00 Jerusalem
Invitees: users(a)ovirt.org; devel(a)ovirt.org; ybronhei(a)redhat.com; ovedo(a)redhat.com
*~*~*~*~*~*~*~*~*~*
This session will introduce the integration with foreman bare metal provisioning with oVirt.
Details will be published soon.
------=_Part_27312009_1456966760.1407709448541
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SUMMARY:ovirt3.5 - deep dive - foreman bare metal provisioning
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:users@o
virt.org
ATTENDEE;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:devel@o
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ilto:ybronhei@redhat.com
ATTENDEE;CN=Oved Ourfalli;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TR
UE:mailto:ovedo@redhat.com
ORGANIZER;CN=Barak Azulay:mailto:bazulay@redhat.com
DTSTART;TZID="Asia/Jerusalem":20140812T170000
DTEND;TZID="Asia/Jerusalem":20140812T173000
STATUS:CONFIRMED
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X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
TRANSP:OPAQUE
LAST-MODIFIED:20140810T222408Z
DTSTAMP:20140810T222408Z
SEQUENCE:0
DESCRIPTION:The following is a new meeting request:\n\nSubject: ovirt3.5 - d
eep dive - foreman bare metal provisioning \nOrganizer: "Barak Azulay" <bazu
lay(a)redhat.com> \n\nTime: Tuesday\, August 12\, 2014\, 5:00:00 PM - 5:30:00
PM GMT +02:00 Jerusalem\n \nInvitees: users(a)ovirt.org\; devel(a)ovirt.org\; yb
ronhei(a)redhat.com\; ovedo(a)redhat.com \n\n\n*~*~*~*~*~*~*~*~*~*\n\nThis sessi
on will introduce the integration with foreman bare metal provisioning with
oVirt.\n\nDetails will be published soon.\n\n
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------=_Part_27312009_1456966760.1407709448541--
10 years, 4 months
oVirt 3.5 - deep dive sessions
by Barak Azulay
oVirt 3.5 is just about to be released.
You have a chance to take a look into this new exciting release.
A few deep dive sessions on various features / aspects of this release will be scheduled In the upcoming several weeks .
Stay tuned and join these sessions.
Thanks
Barak Azulay
10 years, 4 months
add a ***Command for a button
by 力波 王
> ŽËÓÊŒþʹÓà MIME žñÊœ¡£ÓÉÓÚÓÊŒþÔĶÁ³ÌÐò²»ÄÜʶ±ð
ŽËžñÊœ£¬ÒòŽË£¬¿ÉÄÜÎÞ·šÊ¶±ðžÃÓÊŒþµÄ·Ö²¿»ò²¿·ÖÄÚÈÝ¡£
--B_3490359053_1250312
Content-type: multipart/alternative;
boundary="B_3490359053_1263648"
--B_3490359053_1263648
Content-type: text/plain;
charset="GB2312"
Content-transfer-encoding: quoted-printable
Hi, everyone:
I added a button on the Template Tab, in the client side, It=A1=AFs OK,
Added the button=A1=AFs callback like this:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
private void backup()
{
BackupInfoParameters param =3D new BackupInfoParameters();
Frontend.RunAction(VdcActionType.Unknown, param, new
IFrontendActionAsyncCallback() {
@Override
public void executed(FrontendActionAsyncResult result) {
}
});
}
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
The BackupInfoCommand.java is :
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
package org.ovirt.engine.core.bll;
import org.ovirt.engine.core.bll.utils.PermissionSubject;
import org.ovirt.engine.core.common.action.BackupInfoParameters;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
/**
* Created by leaboy on 8/7/14.
*/
public class BackupInfoCommand <T extends BackupInfoParameters> extends
CommandBase<T>{
public BackupInfoCommand(T parameters){
super(parameters);
}
@Override
public List<PermissionSubject> getPermissionCheckSubjects() {
return Collections.emptyList();
}
@Override
protected boolean canDoAction() {
return true;
}
@Override
protected void executeCommand() {
int a;
a =3D 1;
try{
Runtime.getRuntime().exec("touch /tmp/tmp.txt");
}catch (IOException e){
e.printStackTrace();
}
}
}
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
And the BackupInfoParameters.java is:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
package org.ovirt.engine.core.common.action;
/**
* Created by leaboy on 8/7/14.
*/
public class BackupInfoParameters extends VdcActionParametersBase implement=
s
java.io.Serializable{
private static final long serialVersionUID =3D -1363077467684414051L;
private VdcActionType _actionType;
//public BackupInfoParameters(){}
public BackupInfoParameters(){_actionType =3D VdcActionType.Unknown;}
public VdcActionType getActionType() {
return _actionType;
}
}
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Built the code success, but when I clicked the button, got a dialog with th=
e
error info:
Error while executing action: A Request to the Server failed with the
following Status Code: 500
I debug it , find the error is raised at :
protected VdcReturnValueBase evaluateCorrelationId(CommandBase<?>
commandBase) {
VdcReturnValueBase returnValue =3D null;
// Evaluate and set the correlationId on the parameters, fails on
invalid correlation id
returnValue =3D
ExecutionHandler.evaluateCorrelationId(commandBase.getParameters());
if (returnValue !=3D null) {
log.warnFormat("CanDoAction of action {0} failed. Reasons: {1}"=
,
commandBase.getActionType(),
StringUtils.join(returnValue.getCanDoActionMessages(),
','));
}
// Set the correlation-id on the command
=20
commandBase.setCorrelationId(commandBase.getParameters().getCorrelationId()=
)
;
return returnValue;
}
--B_3490359053_1263648
Content-type: text/html;
charset="GB2312"
Content-transfer-encoding: quoted-printable
<html><head></head><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: s=
pace; -webkit-line-break: after-white-space; font-size: 14px; font-family: =CB=
=CE=CC=E5, sans-serif;"><div style=3D"color: rgb(0, 0, 0);">Hi, everyone:</div><div =
style=3D"color: rgb(0, 0, 0);"><span class=3D"Apple-tab-span" style=3D"white-space=
:pre"> </span>I added a button on the Template Tab, in the client side, It&#=
8217;s OK,</div><div style=3D"color: rgb(0, 0, 0);"><img src=3D"cid:871E2E8A-B37=
5-456F-B2CF-9E25AB718A23" type=3D"image/png"></div><div style=3D"color: rgb(0, 0=
, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);">Added the button’s =
callback like this:</div><div style=3D"color: rgb(0, 0, 0);">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</div><div style=3D"colo=
r: rgb(0, 0, 0);"> private void backup()</div><div style=3D"color: rgb(0,=
0, 0);"> {</div><div style=3D"color: rgb(0, 0, 0);">  =
; BackupInfoParameters param =3D new BackupInfoParameters();</di=
v><div style=3D"color: rgb(0, 0, 0);"> Frontend.Run=
Action(VdcActionType.Unknown, param, new IFrontendActionAsyncCallback() {</d=
iv><div style=3D"color: rgb(0, 0, 0);"> &nbs=
p; @Override</div><div style=3D"color: rgb(0, 0, 0);"> &nb=
sp; public void executed(FrontendActionAsyncResult result) {</=
div><div style=3D"color: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0,=
0);"> }</div><div style=3D"color: rg=
b(0, 0, 0);"> });</div><div style=3D"color: rgb(0, =
0, 0);"> }</div><div style=3D"color: rgb(0, 0, 0);">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</div><div style=3D"=
color: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);">The Backup=
InfoCommand.java is :</div><div style=3D"color: rgb(0, 0, 0);">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</div><div style=3D"co=
lor: rgb(0, 0, 0);">package org.ovirt.engine.core.bll;</div><div style=3D"colo=
r: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);">import org.ovi=
rt.engine.core.bll.utils.PermissionSubject;</div><div style=3D"color: rgb(0, 0=
, 0);">import org.ovirt.engine.core.common.action.BackupInfoParameters;</div=
><div style=3D"color: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0)=
;"><br></div><div style=3D"color: rgb(0, 0, 0);">import java.io.IOException;</=
div><div style=3D"color: rgb(0, 0, 0);">import java.util.Collections;</div><di=
v style=3D"color: rgb(0, 0, 0);">import java.util.List;</div><div style=3D"color=
: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);">/**</div><div s=
tyle=3D"color: rgb(0, 0, 0);"> * Created by leaboy on 8/7/14.</div><div s=
tyle=3D"color: rgb(0, 0, 0);"> */</div><div style=3D"color: rgb(0, 0, 0);">=
public class BackupInfoCommand <T extends BackupInfoParameters> extend=
s CommandBase<T>{</div><div style=3D"color: rgb(0, 0, 0);"> =
public BackupInfoCommand(T parameters){</div><div style=3D"color: rgb(0, 0, 0=
);"> super(parameters);</div><div style=3D"color: r=
gb(0, 0, 0);"> }</div><div style=3D"color: rgb(0, 0, 0);"><br></d=
iv><div style=3D"color: rgb(0, 0, 0);"> @Override</div><div style=
=3D"color: rgb(0, 0, 0);"> public List<PermissionSubject> g=
etPermissionCheckSubjects() {</div><div style=3D"color: rgb(0, 0, 0);"> =
return Collections.emptyList();</div><div style=3D"color:=
rgb(0, 0, 0);"> }</div><div style=3D"color: rgb(0, 0, 0);"><br><=
/div><div style=3D"color: rgb(0, 0, 0);"> @Override</div><div sty=
le=3D"color: rgb(0, 0, 0);"> protected boolean canDoAction() {</d=
iv><div style=3D"color: rgb(0, 0, 0);"> return true=
;</div><div style=3D"color: rgb(0, 0, 0);"> }</div><div style=3D"co=
lor: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);"><br></div><d=
iv style=3D"color: rgb(0, 0, 0);"> @Override</div><div style=3D"col=
or: rgb(0, 0, 0);"> protected void executeCommand() {</div><div=
style=3D"color: rgb(0, 0, 0);"> int a;</div><div s=
tyle=3D"color: rgb(0, 0, 0);"> a =3D 1;</div><div sty=
le=3D"color: rgb(0, 0, 0);"> try{</div><div style=3D"=
color: rgb(0, 0, 0);"> Runtime.getR=
untime().exec("touch /tmp/tmp.txt");</div><div style=3D"color: rgb(0, 0, 0);">=
}catch (IOException e){</div><div style=3D"color: =
rgb(0, 0, 0);"> e.printStackTrace()=
;</div><div style=3D"color: rgb(0, 0, 0);"> }</div>=
<div style=3D"color: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);=
"> }</div><div style=3D"color: rgb(0, 0, 0);">}</div><div style=3D"=
color: rgb(0, 0, 0);">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</div><div style=3D"color: rgb(0, 0, 0);"><br></div><div styl=
e=3D"color: rgb(0, 0, 0);">And the BackupInfoParameters.java is:</div><div sty=
le=3D"color: rgb(0, 0, 0);">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</div><div style=3D"color: rgb(0, 0, 0);">package org.ovi=
rt.engine.core.common.action;</div><div style=3D"color: rgb(0, 0, 0);"><br></d=
iv><div style=3D"color: rgb(0, 0, 0);">/**</div><div style=3D"color: rgb(0, 0, 0=
);"> * Created by leaboy on 8/7/14.</div><div style=3D"color: rgb(0, 0, 0=
);"> */</div><div style=3D"color: rgb(0, 0, 0);">public class BackupInfoP=
arameters extends VdcActionParametersBase implements java.io.Serializable{</=
div><div style=3D"color: rgb(0, 0, 0);"> private static final lon=
g serialVersionUID =3D -1363077467684414051L;</div><div style=3D"color: rgb(0, 0=
, 0);"> private VdcActionType _actionType;</div><div style=3D"col=
or: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);"> =
//public BackupInfoParameters(){}</div><div style=3D"color: rgb(0, 0, 0);"><b=
r></div><div style=3D"color: rgb(0, 0, 0);"> public BackupInfoPar=
ameters(){_actionType =3D VdcActionType.Unknown;}</div><div style=3D"color: rgb(=
0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);"> public =
VdcActionType getActionType() {</div><div style=3D"color: rgb(0, 0, 0);"> =
; return _actionType;</div><div style=3D"color: rgb(0, 0,=
0);"> }</div><div style=3D"color: rgb(0, 0, 0);">}</div><div sty=
le=3D"color: rgb(0, 0, 0);">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</div><div style=3D"color: rgb(0, 0, 0);"><br></div><div =
style=3D"color: rgb(0, 0, 0);">Built the code success, but when I clicked the =
button, got a dialog with the error info:</div><div style=3D"color: rgb(0, 0, =
0);"><br></div><div><b><font color=3D"#ff2600">Error while executing action: A=
Request to the Server failed with the following Status Code: 500</font></b>=
</div><div style=3D"color: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, =
0, 0);">I debug it , find the error is raised at :</div><div style=3D"color: r=
gb(0, 0, 0);"><br></div><div><div style=3D"color: rgb(0, 0, 0);">protected Vdc=
ReturnValueBase evaluateCorrelationId(CommandBase<?> commandBase) {</d=
iv><div style=3D"color: rgb(0, 0, 0);"> VdcReturnVa=
lueBase returnValue =3D null;</div><div style=3D"color: rgb(0, 0, 0);"><br></div=
><div style=3D"color: rgb(0, 0, 0);"> // Evaluate a=
nd set the correlationId on the parameters, fails on invalid correlation id<=
/div><div> <b> <font color=3D"#ff2600">returnValue =3D=
ExecutionHandler.evaluateCorrelationId(commandBase.getParameters());</font>=
</b></div><div style=3D"color: rgb(0, 0, 0);"> if (=
returnValue !=3D null) {</div><div style=3D"color: rgb(0, 0, 0);"> =
log.warnFormat("CanDoAction of action {0} failed=
. Reasons: {1}", commandBase.getActionType(),</div><div style=3D"color: rgb(0,=
0, 0);"> &nbs=
p; StringUtils.join(returnValue.getCanDoActionMessages(), ','));</div><div s=
tyle=3D"color: rgb(0, 0, 0);"><br></div><div style=3D"color: rgb(0, 0, 0);">&nbs=
p; }</div><div style=3D"color: rgb(0, 0, 0);"> &nbs=
p; // Set the correlation-id on the command</div><div style=3D"c=
olor: rgb(0, 0, 0);"> commandBase.setCorrelationI=
d(commandBase.getParameters().getCorrelationId());</div><div style=3D"color: r=
gb(0, 0, 0);"> return returnValue;</div><div styl=
e=3D"color: rgb(0, 0, 0);"> }</div></div></body></html>
--B_3490359053_1263648--
--B_3490359053_1250312
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TkSuQmCC
--B_3490359053_1250312--
10 years, 4 months
[GUI] Generic Event/IEventListener
by Lior Vernia
Hello developers,
I've just pushed a patch which renders the Event and IEventListener
generic, parameterized by the type of event arguments they receive,
reviews are welcome (note some preceding and succeeding patches):
http://gerrit.ovirt.org/#/c/31194/
If merged, this should enable us to slowly remove unsafe casts, e.g. as
is often done with PropertyChangedEventArgs. I have used this (in
succeeding patches) to eliminate a couple of such coverity scan defects.
It will also add a lot of IDE warnings until most events and listeners
are properly parameterized, as was the case with the parameterization of
EntityModel and ListModel...
Yours, Lior.
10 years, 4 months
Build failure on F19
by Colin Coe
Hi all
I'm attempting to build oVirt Engine from git. I've been following
http://www.ovirt.org/OVirt_Engine_Development_Environment
The errors I'm seeing are:
---
Results :
Tests in error:
initializationError(org.ovirt.engine.api.restapi.resource.BackendResourceInfoDetailTest):
Bad <init> method call from inside of a branch
Exception Details:
Location:
org/ovirt/engine/api/restapi/resource/AbstractBackendResourceLoggingTest.<init>(Lorg/powermock/core/IndicateReloadClass;)V
@40: invokespecial
Reason:
Error exists in the bytecode
Bytecode:
0000000: 2a2b 4e4d 1210 b800 1604 bd00 0d59 032d
0000010: 5312 a6b8 001b b800 213a 0519 05b2 0025
0000020: a500 0e2a 01c0 0027 b700 2aa7 000a 2c2d
0000030: b700 2a01 57b1
Stackmap Table:
full_frame(@46,{UninitializedThis,Object[#39],UninitializedThis,Object[#39],Top,Object[#13]},{})
full_frame(@53,{Object[#2],Object[#39],Object[#2],Object[#39],Top,Object[#13]},{})
initializationError(org.ovirt.engine.api.restapi.resource.BackendResourceDebugDetailTest):
Bad <init> method call from inside of a branch
Exception Details:
Location:
org/ovirt/engine/api/restapi/resource/AbstractBackendResourceLoggingTest.<init>(Lorg/powermock/core/IndicateReloadClass;)V
@40: invokespecial
Reason:
Error exists in the bytecode
Bytecode:
0000000: 2a2b 4e4d 1210 b800 1604 bd00 0d59 032d
0000010: 5312 a6b8 001b b800 213a 0519 05b2 0025
0000020: a500 0e2a 01c0 0027 b700 2aa7 000a 2c2d
0000030: b700 2a01 57b1
Stackmap Table:
full_frame(@46,{UninitializedThis,Object[#39],UninitializedThis,Object[#39],Top,Object[#13]},{})
full_frame(@53,{Object[#2],Object[#39],Object[#2],Object[#39],Top,Object[#13]},{})
Tests run: 1427, Failures: 0, Errors: 2, Skipped: 71
[INFO]
------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] ovirt-root ........................................ SUCCESS [0.759s]
[INFO] oVirt Build Tools root ............................ SUCCESS [0.026s]
[INFO] oVirt checkstyle .................................. SUCCESS [2.449s]
[INFO] oVirt JBoss Modules Maven Plugin .................. SUCCESS [7.475s]
[INFO] oVirt Checkstyle Checks ........................... SUCCESS [0.442s]
[INFO] Extensions API root ............................... SUCCESS [0.469s]
[INFO] ovirt-engine-extensions-api ....................... SUCCESS [9.139s]
[INFO] oVirt Modules - backend ........................... SUCCESS [0.009s]
[INFO] oVirt Manager ..................................... SUCCESS [0.027s]
[INFO] oVirt Engine dependencies ......................... SUCCESS [5.124s]
[INFO] oVirt Modules - manager ........................... SUCCESS [1.820s]
[INFO] Universal utilities ............................... SUCCESS [1.977s]
[INFO] Extensions manager ................................ SUCCESS [1.645s]
[INFO] CSharp Compatibility .............................. SUCCESS [3.162s]
[INFO] Common Code ....................................... SUCCESS [13.578s]
[INFO] Common utilities .................................. SUCCESS [26.240s]
[INFO] Data Access Layer ................................. SUCCESS [4.415s]
[INFO] engine scheduler bean ............................. SUCCESS [1.519s]
[INFO] Vds broker ........................................ SUCCESS [6.338s]
[INFO] Backend Authentication, Authorization and Accounting SUCCESS
[1.271s]
[INFO] builtin-extensions ................................ SUCCESS [1.574s]
[INFO] Search Backend .................................... SUCCESS [2.958s]
[INFO] Backend Logic @Service bean ....................... SUCCESS [44.189s]
[INFO] oVirt RESTful API Backend Integration ............. SUCCESS [0.305s]
[INFO] oVirt RESTful API interface ....................... SUCCESS [0.138s]
[INFO] oVirt Engine API Definition ....................... SUCCESS [9.658s]
[INFO] oVirt Engine API Commom Parent POM ................ SUCCESS [0.137s]
[INFO] oVirt Engine API Common JAX-RS .................... SUCCESS [2.500s]
[INFO] oVirt RESTful API Backend Integration Type Mappers SUCCESS
[2:14.079s]
[INFO] Branding package .................................. SUCCESS [6.994s]
[INFO] oVirt RESTful API Backend Integration JAX-RS Resources FAILURE
[47.614s]
[INFO] oVirt RESTful API Backend Integration Webapp ...... SKIPPED
[INFO] Custom Logger Using Extensions .................... SKIPPED
[INFO] oVirt Engine Web Root ............................. SKIPPED
[INFO] ovirt-engine services ............................. SKIPPED
[INFO] oVirt Engine Web Docs ............................. SKIPPED
[INFO] ovirt-engine welcome .............................. SKIPPED
[INFO] oVirt Engine Tools ................................ SKIPPED
[INFO] oVirt Modules :: Frontend ......................... SKIPPED
[INFO] oVirt Modules :: Webadmin ......................... SKIPPED
[INFO] oVirt Modules - ui ................................ SKIPPED
[INFO] Extensions for GWT ................................ SKIPPED
[INFO] UI Utils Compatibility (for UICommon) ............. SKIPPED
[INFO] Frontend for GWT UI Projects ...................... SKIPPED
[INFO] UICommonWeb ....................................... SKIPPED
[INFO] oVirt GWT UI common infrastructure ................ SKIPPED
[INFO] WebAdmin .......................................... SKIPPED
[INFO] UserPortal ........................................ SKIPPED
[INFO] oVirt Server EAR .................................. SKIPPED
[INFO] ovirt-engine maven make ........................... SKIPPED
[INFO]
------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 5:40.998s
[INFO] Finished at: Fri Aug 08 07:28:15 WST 2014
[INFO] Final Memory: 88M/211M
[INFO]
------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-surefire-plugin:2.7.2:test (default-test) on
project restapi-jaxrs: There are test failures.
[ERROR]
[ERROR] Please refer to
/home/coec/git/ovirt-engine/backend/manager/modules/restapi/jaxrs/target/surefire-reports
for the individual test results.
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions,
please read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the
command
[ERROR] mvn <goals> -rf :restapi-jaxrs
make[2]: *** [maven] Error 1
make[2]: Leaving directory `/home/coec/git/ovirt-engine'
make[1]: *** [tmp.built] Error 2
make[1]: Leaving directory `/home/coec/git/ovirt-engine'
make: *** [all-dev] Error 2
[coec@localhost ovirt-engine]$
---
Any ideas?
Thanks
CC
--
RHCE#805007969328369
10 years, 4 months
'Fake' hosts and VMs
by Colin Coe
Hi all
Is it possible to have fake hosts and VMs. I don't have spare hardware for
hosts nor does my laptop have the grunt for running guests. And as I just
want to hack on the UI, I thought this would be easiest.
Thanks
CC
--
RHCE#805007969328369
10 years, 4 months
