This needs to be done in Java. You'll need to read up on oVirt's= =3D UI Plugin infrastructure, which Einav and others mentioned below. No, you = =3D cannot write a bash script and have a button click in oVirt invoke that.

2. for ISOs to be available, i need= =3D to enable hosts configured in clusters and storage domains of ATA type. (c= =3D urrently NFS, iSCSI and FC are done). which files should i focus on changin= =3D g for above functionality.

I've never he= =3D ard of ATA network storage. Are you referring to ATA hardware technology, i= =3D .e. SATA?

At any rate, adding a custom storage dom= =3D ain technology will difficult. Hopefully someone else on list can direct yo= =3D u.

3. How do i change the custom lay= ou=3D t of the engine? (like adding a few extra buttons.) please specify the file= =3D s responsible.

Again, you'll need to read up o= =3D n oVirt's UI Plugin infrastructure. http://www.ovirt.org/Features/UIPl= =3D ugins

4. the above questions stress that = am=3D facing difficulty in identifying files responsible for a particular module= =3D . is there a better way to do that instead of digging up the entire source = =3D code. ( a documentation if available.)

Other than wh= =3D at we've already mentioned (JavaDoc, architecture docs on the wiki), no.

Greg

<=3D div class=3D3D"gmail_extra">

On =3D Mon, Mar 17, 2014 at 5:52 PM, Alexander Wels <awels(a)redhat.com= > wrote:
Aditya,

That is because that file doesn't exist. We map that name to a servlet in web.xml. If you want to modify the GWT host page take a look at
GwtDynamicHostPageServlet.java and its sub classes (for user portal and
webadmin). As well as GwtHostPage.jsp. You will find there is almost nothin= =3D g in
that page as all the HTML is being generated at runtime using GWT.
= =3D
Since you are not really explaining what you are trying to do we can't help= =3D
you better on the best strategy to achieve what you want.

Alexander

On Saturday, March 15, 2014 06:00:21 PM Aditya Mamidwar wrote:
> Hey thanks on the previous issue.
> Also is there a way i can access WebAdmin.Html to add custom buttons a= =3D nd
> make few tweaks for personal use? I just cant find that file after usi= =3D ng
> git.
>
> Aditya Mamidwar
>
> -----Original Message-----
> From: "Einav Cohen" <ecohen(a)redhat.com>
> Sent: 14-03-2014 01:21
> To: "aditya mamidwar" <aditya.mamidwar(a)gmail.com>; "Vojtech Szocs"=
> <vszoc= s(a)redh=3D at.com> Cc: "us=3D ers(a)ovirt.org" <users(a)ovirt.org>;
> "eng= ine-de=3D vel(a)ovirt.org" <engine-devel(a)ovirt.org> Subject: Re: [Users]
> adding scripts
>
> if you are trying to hook into UI-specific events, it sounds
> like you will need to write an oVirt UI Plugin [1] in order to
> do that. However, I believe that the oVirt UI Plugins
> infrastructure doesn't support hooking to events such as "tab
> x was selected" and/or "button b was clicked".
> It does allow you to add new (custom) tabs/sub-tabs/buttons of
> your own, and there is a chance that it allows you to hook
> into events such as 'row x was selected in the grid'.
>
> @Vojtech will know better. Vojtech?
>
> if you are trying to hook into engine events (e.g. you want to
> run a script every time a VM is started in oVirt, no matter if
> the user started it by clicking the 'run' button in the oVirt-
> engine webadmin, or invoked a REST API request, or an SDK
> command), then it will require some sort of an "engine-plugin"
> infrastructure that we don't have at the moment AFAIK.
> there is a chance that for some of the events you will be able
> to utilize the VDSM hooks (at the Host level) [2].
>
> ----
> Thanks,
> Einav
>
> [1] http://www.ovirt.org/Features/UIPlugins
>
> [2] = http=3D ://www.ovirt.org/VDSM-Hooks
>
>
> ----- Original Message -----
>
> > From: "aditya mamidwar" <aditya.mamidwar(a)gmail.com>
> > To: us= ers(a)ov=3D irt.org, en=3D gine-devel(a)ovirt.org
> > Sent: Thursday, March 13, 2014 11:23:35 AM
> > Subject: [Users] adding scripts
> >
> >
> > I want to commit changes to the engine by adding some bash script= =3D s.
> > the scripts should be invoked once a button or tab is selected in= =3D the
> > webadmin portal by the user.
> >
> > can someone guide on achieving this.
> >
> > --
> > -Aditya Mamidwar
> >
> > _______________________________________________
> > Users mailing list
> > Users(= a)ovirt.=3D org
> > http://lists.ovirt.org/mailman/listinfo/users
<=3D /div>

--
-Adi= ty=3D a Mamidwar

_______________________________________________
Users mailing = =3D list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users<= br=3D >

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2014 08:49:22 -0400 Message-ID: <3252812.0fU9BrnEQL@awels> In-Reply-To: CA+pz52__SFAV7_6pom_L4HNwpG6b-YUbOk92f04PF0HtOp9keg@mail.gmail.com --===============8104961223530473118== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Friday, March 21, 2014 03:44:01 PM aditya mamidwar wrote: > Hey, > my team is working on adding AoE protocol support to ovirt. > = > am thus facing following difficulties: > 1 : i wrote the required code using in bash scripting, which i wish to > invoke after a click of button in the ovirt-portal. (which does not seem = to > be possible). can you help on that? which programming language should i > use, and how that file should be invoked. When you say ovirt portal I am assuming you mean the web admin as giving us= ers = access to low level stuff like that in the user portal would probably be a = bad = thing. As said in a couple of other responses the best way to do that in webadmin = is = probably writing a UI plugin. A full explanation of what you can do with a = UI = plugin is available here: http://www.ovirt.org/Features/UIPlugins In short a UI plugin is a mini application written in Javascript that hooks = into the main web admin UI. The UI infrastructure makes certain element of = the = UI available to the plugin. One of the things it can do is to allow you to = add = buttons to the UI. When those buttons are clicked whatever javascript handl= er = you assigned to it will execute. This gives you a couple of options: 1. Write your own web application that can take commands from buttons insid= e = the web admin interface. Since the ovirt engine runs on JBOSS I would sugge= st = you write your own web application in Java that executes the appropriate ba= sh = commands based on which button is pressed using the UI plugin. 2. Write a minimal plugin that makes use of the REST API and add code to ca= ll = your bash scripts from the REST api. > = > 2. for ISOs to be available, i need to enable hosts configured in clusters > and storage domains of ATA type. (currently NFS, iSCSI and FC are done). > which files should i focus on changing for above functionality. > = Honestly I don't know enough about the storage infrastructure to give you a = good answer to that. Maybe someone else can fill this in. > 3. How do i change the custom layout of the engine? (like adding a few > extra buttons.) please specify the files responsible. > = Look at the UI plugins, the page linked above explains their usage in great = detail as well as give a bunch of examples on how to achieve this. > 4. the above questions stress that am facing difficulty in identifying > files responsible for a particular module. is there a better way to do th= at > instead of digging up the entire source code. ( a documentation if > available.) > = This gives a nice overview of the architecture of oVirt: = http://www.ovirt.org/Architecture The source code associated with that is basically split out into two GIT = repositories. 1. For the frontend and the engine, which is all java code. 2. For VDSM which is all python. The user portal and web admin communicate with the engine using GWT-RPC and = soon the REST api. Then the engine communicates with VDSM using XML-RPC. The engine runs on one machine (either dedicated or as its own VM on one of = your hosts). Then VDSM runs on the hosts. The hosts are the ones that = communicate with the storage. So I am guessing your bash code will run on a = host? So in short, I think this is what you want? 1. Write UI plugin to add the buttons/etc to the webadmin. 2. Write your own web app, or hook into the REST API and add the commands t= o = execute whatever it is you are doing. 3. (Maybe?) Modify VDSM to accept the commands from the REST API or your we= b = application, and execute your scripts using VDSM based on the commands. Alexander > On Mon, Mar 17, 2014 at 5:52 PM, Alexander Wels wrot= e: > > Aditya, > > = > > That is because that file doesn't exist. We map that name to a servlet = in > > web.xml. If you want to modify the GWT host page take a look at > > GwtDynamicHostPageServlet.java and its sub classes (for user portal and > > webadmin). As well as GwtHostPage.jsp. You will find there is almost > > nothing in > > that page as all the HTML is being generated at runtime using GWT. > > = > > Since you are not really explaining what you are trying to do we can't > > help > > you better on the best strategy to achieve what you want. > > = > > Alexander > > = > > On Saturday, March 15, 2014 06:00:21 PM Aditya Mamidwar wrote: > > > Hey thanks on the previous issue. > > > Also is there a way i can access WebAdmin.Html to add custom buttons = and > > > make few tweaks for personal use? I just cant find that file after us= ing > > > git. > > > = > > > Aditya Mamidwar > > > = > > > -----Original Message----- > > > From: "Einav Cohen" > > > Sent: 14-03-2014 01:21 > > > To: "aditya mamidwar" ; "Vojtech Szocs" > > > Cc: "users(a)ovirt.org" ; > > > "engine-devel(a)ovirt.org" Subject: Re: [U= sers] > > > adding scripts > > > = > > > if you are trying to hook into UI-specific events, it sounds > > > like you will need to write an oVirt UI Plugin [1] in order to > > > do that. However, I believe that the oVirt UI Plugins > > > infrastructure doesn't support hooking to events such as "tab > > > x was selected" and/or "button b was clicked". > > > It does allow you to add new (custom) tabs/sub-tabs/buttons of > > > your own, and there is a chance that it allows you to hook > > > into events such as 'row x was selected in the grid'. > > > = > > > @Vojtech will know better. Vojtech? > > > = > > > if you are trying to hook into engine events (e.g. you want to > > > run a script every time a VM is started in oVirt, no matter if > > > the user started it by clicking the 'run' button in the oVirt- > > > engine webadmin, or invoked a REST API request, or an SDK > > > command), then it will require some sort of an "engine-plugin" > > > infrastructure that we don't have at the moment AFAIK. > > > there is a chance that for some of the events you will be able > > > to utilize the VDSM hooks (at the Host level) [2]. > > > = > > > ---- > > > Thanks, > > > Einav > > > = > > > [1] http://www.ovirt.org/Features/UIPlugins > > > = > > > [2] http://www.ovirt.org/VDSM-Hooks > > > = > > > = > > > ----- Original Message ----- > > > = > > > > From: "aditya mamidwar" > > > > To: users(a)ovirt.org, engine-devel(a)ovirt.org > > > > Sent: Thursday, March 13, 2014 11:23:35 AM > > > > Subject: [Users] adding scripts > > > > = > > > > = > > > > I want to commit changes to the engine by adding some bash scripts. > > > > the scripts should be invoked once a button or tab is selected in t= he > > > > webadmin portal by the user. > > > > = > > > > can someone guide on achieving this. > > > > = > > > > -- > > > > -Aditya Mamidwar > > > > = > > > > _______________________________________________ > > > > Users mailing list > > > > Users(a)ovirt.org > > > > http://lists.ovirt.org/mailman/listinfo/users --===============8104961223530473118==-- From herrold at owlriver.com Fri Mar 21 10:43:30 2014 Content-Type: multipart/mixed; boundary="===============4883472925962448924==" MIME-Version: 1.0 From: R P Herrold To: users at ovirt.org Subject: [Users] adding scripts Date: Fri, 21 Mar 2014 10:43:27 -0400 Message-ID: In-Reply-To: 2142144483.1855116.1395405184865.JavaMail.zimbra@redhat.com --===============4883472925962448924== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable the threading is not clear to me, and I hope I have the = attributions correct On Fri, 21 Mar 2014, Greg Sheremeta wrote: >> From: "aditya mamidwar" = >> To: awels(a)redhat.com, engine-devel(a)ovirt.org, users(a)ovirt.org = >> Sent: Friday, March 21, 2014 6:14:01 AM = >> Subject: Re: [Users] [Engine-devel] adding scripts = >> am thus facing following difficulties: = >> 1 : i wrote the required code using in bash scripting, = >> which i wish to invoke after a click of button in the = >> ovirt-portal. (which does not seem to be possible). can you = >> help on that? which programming language should i use, and = >> how that file should be invoked. [I think Greg said:] > This needs to be done in Java. You'll need to read up on = > oVirt's UI Plugin infrastructure, which Einav and others = > mentioned below. No, you cannot write a bash script and have = > a button click in oVirt invoke that. Reading this: http://www.ovirt.org/VDSM-Hooks it states as a pull quote: The hooks reside on every host in = /usr/libexec/vdsm/hooks/ A hook can be any executable = (bash/python/perl/binary/etc). = and then at: http://www.ovirt.org/Features/UIPlugins UI plugins integrate with WebAdmin directly on the = client (web browser) using JavaScript programming language. = Plugin invocation is driven by WebAdmin and happens right = within the context of browser's JavaScript runtime, using = JavaScript language as the lowest common denominator between = WebAdmin (GWT) and individual plugins. UI plugins can take = full advantage of JavaScript language and its rich ecosystem = of libraries. There are no specific rules on how to implement = UI plugins, plugin API is designed to be simple and not to get = in developer's way, regardless of how a developer chooses to = write the plugin =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D I thought I understood the model, but have gotten confused. = Iam left with two questions: 1. is the plugin to be Java or JavaScript? (I think the answer = is the latter) 2. is there a constraint as to implementation language, or = not. I think a JS wrapper can call whatever it wishes, but = this is not clear to me Thank you -- Russ herrold --===============4883472925962448924==-- From awels at redhat.com Fri Mar 21 10:58:25 2014 Content-Type: multipart/mixed; boundary="===============6840189794600711156==" MIME-Version: 1.0 From: Alexander Wels To: users at ovirt.org Subject: Re: [Users] adding scripts Date: Fri, 21 Mar 2014 10:58:20 -0400 Message-ID: <1815745.CSTD58eMEM@awels> In-Reply-To: alpine.LRH.2.03.1403211032430.27644@bjyevire.pbz --===============6840189794600711156== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Friday, March 21, 2014 10:43:27 AM R P Herrold wrote: > the threading is not clear to me, and I hope I have the > attributions correct > = > On Fri, 21 Mar 2014, Greg Sheremeta wrote: > >> From: "aditya mamidwar" > >> = > >> To: awels(a)redhat.com, engine-devel(a)ovirt.org, users(a)ovirt.org > >> Sent: Friday, March 21, 2014 6:14:01 AM > >> Subject: Re: [Users] [Engine-devel] adding scripts > >> = > >> am thus facing following difficulties: > >> = > >> 1 : i wrote the required code using in bash scripting, > >> which i wish to invoke after a click of button in the > >> ovirt-portal. (which does not seem to be possible). can you > >> help on that? which programming language should i use, and > >> how that file should be invoked. > = > [I think Greg said:] > = > > This needs to be done in Java. You'll need to read up on > > oVirt's UI Plugin infrastructure, which Einav and others > > mentioned below. No, you cannot write a bash script and have > > a button click in oVirt invoke that. > = > Reading this: > http://www.ovirt.org/VDSM-Hooks > it states as a pull quote: > = > The hooks reside on every host in > /usr/libexec/vdsm/hooks/ A hook can be any executable > (bash/python/perl/binary/etc). > = > and then at: > http://www.ovirt.org/Features/UIPlugins > = > UI plugins integrate with WebAdmin directly on the > client (web browser) using JavaScript programming language. > Plugin invocation is driven by WebAdmin and happens right > within the context of browser's JavaScript runtime, using > JavaScript language as the lowest common denominator between > WebAdmin (GWT) and individual plugins. UI plugins can take > full advantage of JavaScript language and its rich ecosystem > of libraries. There are no specific rules on how to implement > UI plugins, plugin API is designed to be simple and not to get > in developer's way, regardless of how a developer chooses to > write the plugin > = > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > = > I thought I understood the model, but have gotten confused. > Iam left with two questions: > = > 1. is the plugin to be Java or JavaScript? (I think the answer > is the latter) > = Javascript. But remember the UI plugins are running javascript in your = browser, and don't directly communicate with VDSM. > 2. is there a constraint as to implementation language, or > not. I think a JS wrapper can call whatever it wishes, but > this is not clear to me > = > Thank you > = > -- Russ herrold Note the VDSM hooks have nothing to do with the UI plugins. The VDSM hooks = alter the way VDSM works. The UI plugins alter the way the UI works. The = engine sits in between the UI and VDSM. Basically the UI issues a command t= o = the engine, then the engine issues a command to VDSM. For UI plugins it is easiest to communicate with the engine using the REST = api. So your instance your UI plugin has a button, which when you click it = issues a REST api call. The REST api call is part of the engine. The engine = creates a command based on the URL and parameters of the REST call and uses = that command to make a call to VDSM. Once the call reaches VDSM then the VD= SM = hooks come into play. So I don't entirely understand what you are trying to do, but you might hav= e = to write some code in the engine to create the appropriate command to pass = to = VDSM. In addition to the UI plugin and the VDSM hook. --===============6840189794600711156==-- From vszocs at redhat.com Fri Mar 21 11:24:02 2014 Content-Type: multipart/mixed; boundary="===============1617032254340582184==" MIME-Version: 1.0 From: Vojtech Szocs To: users at ovirt.org Subject: Re: [Users] adding scripts Date: Fri, 21 Mar 2014 11:24:00 -0400 Message-ID: <2025036079.3619062.1395415440989.JavaMail.zimbra@redhat.com> In-Reply-To: alpine.LRH.2.03.1403211032430.27644@bjyevire.pbz --===============1617032254340582184== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable ----- Original Message ----- > From: "R P Herrold" > To: "oVirt Users ML" > Cc: "aditya mamidwar" > Sent: Friday, March 21, 2014 3:43:27 PM > Subject: [Users] adding scripts > = > = > the threading is not clear to me, and I hope I have the > attributions correct > = > On Fri, 21 Mar 2014, Greg Sheremeta wrote: > = > >> From: "aditya mamidwar" > = > >> To: awels(a)redhat.com, engine-devel(a)ovirt.org, users(a)ovirt.org > >> Sent: Friday, March 21, 2014 6:14:01 AM > >> Subject: Re: [Users] [Engine-devel] adding scripts > = > >> am thus facing following difficulties: > = > >> 1 : i wrote the required code using in bash scripting, > >> which i wish to invoke after a click of button in the > >> ovirt-portal. (which does not seem to be possible). can you > >> help on that? which programming language should i use, and > >> how that file should be invoked. > = > [I think Greg said:] > = > > This needs to be done in Java. You'll need to read up on > > oVirt's UI Plugin infrastructure, which Einav and others > > mentioned below. No, you cannot write a bash script and have > > a button click in oVirt invoke that. > = > Reading this: > http://www.ovirt.org/VDSM-Hooks > it states as a pull quote: > = > The hooks reside on every host in > /usr/libexec/vdsm/hooks/ A hook can be any executable > (bash/python/perl/binary/etc). > = > and then at: > http://www.ovirt.org/Features/UIPlugins > = > UI plugins integrate with WebAdmin directly on the > client (web browser) using JavaScript programming language. > Plugin invocation is driven by WebAdmin and happens right > within the context of browser's JavaScript runtime, using > JavaScript language as the lowest common denominator between > WebAdmin (GWT) and individual plugins. UI plugins can take > full advantage of JavaScript language and its rich ecosystem > of libraries. There are no specific rules on how to implement > UI plugins, plugin API is designed to be simple and not to get > in developer's way, regardless of how a developer chooses to > write the plugin > = > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > = > I thought I understood the model, but have gotten confused. > Iam left with two questions: > = > 1. is the plugin to be Java or JavaScript? (I think the answer > is the latter) Right, UI plugins are written in JavaScript as their code is dynamically lo= aded during WebAdmin startup. Your UI plugin is technically a web application on its own, except that plu= gin host page [1] is rendered inside invisible