UI Plugin to Upload ISO Files
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On 12/12/2014 05:15 AM, Lucas Vandroux wrote:
Dear all,
I'm actually working to create a custom user interface plugin for oVirt web administration application to let user upload iso files.
I'm in the very first stage of the project. I'm planning to use angularjs with the ng-flow module <https://github.com/flowjs/ng-flow> on the client-side and a java servlet using the ovirt-iso-uploader <http://www.ovirt.org/OVirt_engine_tools#ovirt-iso-uploader> engine tool on the server-side.
All my code is going to be on Github in the following repository : iso-uploader-plugin <https://github.com/ovirt-china/iso-uploader-plugin>. You can also check a more detailed version of the specifications on my wiki <https://github.com/ovirt-china/iso-uploader-plugin/wiki/Specifications>.
I'm writing to you guys to know if there is a way for us to collaborate as you may also want to develop something like this to be integrated in the oVirt Engine.
Best regards,
- Lucas Vandroux （冯凯）
looks very nice. This is actually very interesting (and requested by multiple folks) but i'd like to see if we should focus on the more simple "upload iso's" or it doing more than just upload ISO's, but also VMs. for the latter, architecture would probably be a servlet[1] on the engine and stream to vdsm to write to storage, so both vm disks and/or iso's could be uploaded/downloaded. one thing to consider with above architecture is need to handle ticketing between servlet to validate end user is allowed to do this, and for more advanced - some throttling. another concern is choice of technologies to see if can be properly packaged to be provided as more than just an optional ui plugin. a question - i couldn't easily locate a screenshot/explanation how your plugin dialog for upload looks like / how you handle authentication in it now? thanks, Itamar [1] servlet to can be moved to another host and to not hog engine backend itself.
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Lucas Vandroux" <lucas.vandroux@eayun.com>, "devel" <devel@ovirt.org>, "潘礼洋" <liyang.pan@eayun.com>, "李建盛" <jiansheng.li@eayun.com> Cc: "Michal Skrivanek" <mskrivan@redhat.com>, "Scott Herold" <sherold@redhat.com>, "Allon Mureinik" <amureini@redhat.com>, "Federico Simoncelli" <fsimonce@redhat.com>, "Barak Azulay" <bazulay@redhat.com>, "Brian Proffitt" <bproffit@redhat.com>, "Alon Bar-Lev" <alonbl@redhat.com> Sent: Sunday, December 14, 2014 11:35:40 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On 12/12/2014 05:15 AM, Lucas Vandroux wrote:
Dear all,
I'm actually working to create a custom user interface plugin for oVirt web administration application to let user upload iso files.
I'm in the very first stage of the project. I'm planning to use angularjs with the ng-flow module <https://github.com/flowjs/ng-flow> on the client-side and a java servlet using the ovirt-iso-uploader <http://www.ovirt.org/OVirt_engine_tools#ovirt-iso-uploader> engine tool on the server-side.
All my code is going to be on Github in the following repository : iso-uploader-plugin <https://github.com/ovirt-china/iso-uploader-plugin>. You can also check a more detailed version of the specifications on my wiki <https://github.com/ovirt-china/iso-uploader-plugin/wiki/Specifications>.
I'm writing to you guys to know if there is a way for us to collaborate as you may also want to develop something like this to be integrated in the oVirt Engine.
Best regards,
- Lucas Vandroux （冯凯）
looks very nice.
This is actually very interesting (and requested by multiple folks) but i'd like to see if we should focus on the more simple "upload iso's" or it doing more than just upload ISO's, but also VMs. for the latter, architecture would probably be a servlet[1] on the engine and stream to vdsm to write to storage, so both vm disks and/or iso's could be uploaded/downloaded.
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already? this should be a core feature not an add-on within the current monolithic implementation, as there is no access to vdsm interaction from any of the interfaces. Alon
On Dec 14, 2014, at 22:47 , Alon Bar-Lev <alonbl@redhat.com> wrote:
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Lucas Vandroux" <lucas.vandroux@eayun.com>, "devel" <devel@ovirt.org>, "潘礼洋" <liyang.pan@eayun.com>, "李建盛" <jiansheng.li@eayun.com> Cc: "Michal Skrivanek" <mskrivan@redhat.com>, "Scott Herold" <sherold@redhat.com>, "Allon Mureinik" <amureini@redhat.com>, "Federico Simoncelli" <fsimonce@redhat.com>, "Barak Azulay" <bazulay@redhat.com>, "Brian Proffitt" <bproffit@redhat.com>, "Alon Bar-Lev" <alonbl@redhat.com> Sent: Sunday, December 14, 2014 11:35:40 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On 12/12/2014 05:15 AM, Lucas Vandroux wrote:
Dear all,
I'm actually working to create a custom user interface plugin for oVirt web administration application to let user upload iso files.
I'm in the very first stage of the project. I'm planning to use angularjs with the ng-flow module <https://github.com/flowjs/ng-flow> on the client-side and a java servlet using the ovirt-iso-uploader <http://www.ovirt.org/OVirt_engine_tools#ovirt-iso-uploader> engine tool on the server-side.
All my code is going to be on Github in the following repository : iso-uploader-plugin <https://github.com/ovirt-china/iso-uploader-plugin>. You can also check a more detailed version of the specifications on my wiki <https://github.com/ovirt-china/iso-uploader-plugin/wiki/Specifications>.
I'm writing to you guys to know if there is a way for us to collaborate as you may also want to develop something like this to be integrated in the oVirt Engine.
Best regards,
- Lucas Vandroux （冯凯）
looks very nice.
This is actually very interesting (and requested by multiple folks) but i'd like to see if we should focus on the more simple "upload iso's" or it doing more than just upload ISO's, but also VMs. for the latter, architecture would probably be a servlet[1] on the engine and stream to vdsm to write to storage, so both vm disks and/or iso's could be uploaded/downloaded.
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already?
nope, we don't
this should be a core feature not an add-on within the current monolithic implementation, as there is no access to vdsm interaction from any of the interfaces.
well, since we have this feature in the plan for a long time and didn't get to it then a UI plugin would be nice. Currently the only way to upload "stuff" is using ovirt-iso-uploader. Thanks, michal
Alon
----- Original Message -----
From: "Michal Skrivanek" <mskrivan@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Itamar Heim" <iheim@redhat.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "devel" <devel@ovirt.org>, "潘礼洋" <liyang.pan@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "Scott Herold" <sherold@redhat.com>, "Allon Mureinik" <amureini@redhat.com>, "Federico Simoncelli" <fsimonce@redhat.com>, "Barak Azulay" <bazulay@redhat.com>, "Brian Proffitt" <bproffit@redhat.com> Sent: Monday, December 15, 2014 5:50:21 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On Dec 14, 2014, at 22:47 , Alon Bar-Lev <alonbl@redhat.com> wrote:
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Lucas Vandroux" <lucas.vandroux@eayun.com>, "devel" <devel@ovirt.org>, "潘礼洋" <liyang.pan@eayun.com>, "李建盛" <jiansheng.li@eayun.com> Cc: "Michal Skrivanek" <mskrivan@redhat.com>, "Scott Herold" <sherold@redhat.com>, "Allon Mureinik" <amureini@redhat.com>, "Federico Simoncelli" <fsimonce@redhat.com>, "Barak Azulay" <bazulay@redhat.com>, "Brian Proffitt" <bproffit@redhat.com>, "Alon Bar-Lev" <alonbl@redhat.com> Sent: Sunday, December 14, 2014 11:35:40 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On 12/12/2014 05:15 AM, Lucas Vandroux wrote:
Dear all,
I'm actually working to create a custom user interface plugin for oVirt web administration application to let user upload iso files.
I'm in the very first stage of the project. I'm planning to use angularjs with the ng-flow module <https://github.com/flowjs/ng-flow> on the client-side and a java servlet using the ovirt-iso-uploader <http://www.ovirt.org/OVirt_engine_tools#ovirt-iso-uploader> engine tool on the server-side.
All my code is going to be on Github in the following repository : iso-uploader-plugin <https://github.com/ovirt-china/iso-uploader-plugin>. You can also check a more detailed version of the specifications on my wiki <https://github.com/ovirt-china/iso-uploader-plugin/wiki/Specifications>.
I'm writing to you guys to know if there is a way for us to collaborate as you may also want to develop something like this to be integrated in the oVirt Engine.
Best regards,
- Lucas Vandroux （冯凯）
looks very nice.
This is actually very interesting (and requested by multiple folks) but i'd like to see if we should focus on the more simple "upload iso's" or it doing more than just upload ISO's, but also VMs. for the latter, architecture would probably be a servlet[1] on the engine and stream to vdsm to write to storage, so both vm disks and/or iso's could be uploaded/downloaded.
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already?
nope, we don't
this should be a core feature not an add-on within the current monolithic implementation, as there is no access to vdsm interaction from any of the interfaces.
well, since we have this feature in the plan for a long time and didn't get to it then a UI plugin would be nice. Currently the only way to upload "stuff" is using ovirt-iso-uploader.
indeed "nice", but we cannot introduce anything that is "nice" but insecure. using iso/image uplaoder spawned by servlet cannot be something that is endorsed.
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Itamar Heim" <iheim@redhat.com> Cc: "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Sunday, December 14, 2014 11:47:26 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Lucas Vandroux" <lucas.vandroux@eayun.com>, "devel" <devel@ovirt.org>, "潘礼洋" <liyang.pan@eayun.com>, "李建盛" <jiansheng.li@eayun.com> Cc: "Michal Skrivanek" <mskrivan@redhat.com>, "Scott Herold" <sherold@redhat.com>, "Allon Mureinik" <amureini@redhat.com>, "Federico Simoncelli" <fsimonce@redhat.com>, "Barak Azulay" <bazulay@redhat.com>, "Brian Proffitt" <bproffit@redhat.com>, "Alon Bar-Lev" <alonbl@redhat.com> Sent: Sunday, December 14, 2014 11:35:40 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On 12/12/2014 05:15 AM, Lucas Vandroux wrote:
Dear all,
I'm actually working to create a custom user interface plugin for oVirt web administration application to let user upload iso files.
I'm in the very first stage of the project. I'm planning to use angularjs with the ng-flow module <https://github.com/flowjs/ng-flow> on the client-side and a java servlet using the ovirt-iso-uploader <http://www.ovirt.org/OVirt_engine_tools#ovirt-iso-uploader> engine tool on the server-side.
All my code is going to be on Github in the following repository : iso-uploader-plugin <https://github.com/ovirt-china/iso-uploader-plugin>. You can also check a more detailed version of the specifications on my wiki <https://github.com/ovirt-china/iso-uploader-plugin/wiki/Specifications>.
I'm writing to you guys to know if there is a way for us to collaborate as you may also want to develop something like this to be integrated in the oVirt Engine.
Best regards,
- Lucas Vandroux （冯凯）
looks very nice.
This is actually very interesting (and requested by multiple folks) but i'd like to see if we should focus on the more simple "upload iso's" or it doing more than just upload ISO's, but also VMs. for the latter, architecture would probably be a servlet[1] on the engine and stream to vdsm to write to storage, so both vm disks and/or iso's could be uploaded/downloaded.
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already?
Vdsm does support upload over http/https directly to storage. This feature is used to store ovf backups on storage domains, and probably not very efficient, but may be good enough for now. See vdsm/rpc/BindingXMLRPC.py (do_PUT)
this should be a core feature not an add-on within the current monolithic implementation, as there is no access to vdsm interaction from any of the interfaces.
Nir
----- Original Message -----
From: "Nir Soffer" <nsoffer@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Itamar Heim" <iheim@redhat.com>, "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com>, "Liron Aravot" <laravot@redhat.com> Sent: Monday, December 15, 2014 6:47:44 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Itamar Heim" <iheim@redhat.com> Cc: "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Sunday, December 14, 2014 11:47:26 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Lucas Vandroux" <lucas.vandroux@eayun.com>, "devel" <devel@ovirt.org>, "潘礼洋" <liyang.pan@eayun.com>, "李建盛" <jiansheng.li@eayun.com> Cc: "Michal Skrivanek" <mskrivan@redhat.com>, "Scott Herold" <sherold@redhat.com>, "Allon Mureinik" <amureini@redhat.com>, "Federico Simoncelli" <fsimonce@redhat.com>, "Barak Azulay" <bazulay@redhat.com>, "Brian Proffitt" <bproffit@redhat.com>, "Alon Bar-Lev" <alonbl@redhat.com> Sent: Sunday, December 14, 2014 11:35:40 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On 12/12/2014 05:15 AM, Lucas Vandroux wrote:
Dear all,
I'm actually working to create a custom user interface plugin for oVirt web administration application to let user upload iso files.
I'm in the very first stage of the project. I'm planning to use angularjs with the ng-flow module <https://github.com/flowjs/ng-flow> on the client-side and a java servlet using the ovirt-iso-uploader <http://www.ovirt.org/OVirt_engine_tools#ovirt-iso-uploader> engine tool on the server-side.
All my code is going to be on Github in the following repository : iso-uploader-plugin <https://github.com/ovirt-china/iso-uploader-plugin>. You can also check a more detailed version of the specifications on my wiki <https://github.com/ovirt-china/iso-uploader-plugin/wiki/Specifications>.
I'm writing to you guys to know if there is a way for us to collaborate as you may also want to develop something like this to be integrated in the oVirt Engine.
Best regards,
- Lucas Vandroux （冯凯）
looks very nice.
This is actually very interesting (and requested by multiple folks) but i'd like to see if we should focus on the more simple "upload iso's" or it doing more than just upload ISO's, but also VMs. for the latter, architecture would probably be a servlet[1] on the engine and stream to vdsm to write to storage, so both vm disks and/or iso's could be uploaded/downloaded.
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already?
Vdsm does support upload over http/https directly to storage.
This feature is used to store ovf backups on storage domains, and probably not very efficient, but may be good enough for now.
See vdsm/rpc/BindingXMLRPC.py (do_PUT)
thanks. I hear this function is not supported by the new jsonrpc, nor will it be supported when messaging will be used... so not sure if it is a good idea to add functionality on top of this one. this should be core feature, it cannot be implemented as plugin within the current monolithic implementation.
this should be a core feature not an add-on within the current monolithic implementation, as there is no access to vdsm interaction from any of the interfaces.
Nir
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Nir Soffer" <nsoffer@redhat.com> Cc: "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 5:52:36 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Nir Soffer" <nsoffer@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Itamar Heim" <iheim@redhat.com>, "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com>, "Liron Aravot" <laravot@redhat.com> Sent: Monday, December 15, 2014 6:47:44 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Itamar Heim" <iheim@redhat.com> Cc: "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Sunday, December 14, 2014 11:47:26 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already?
Vdsm does support upload over http/https directly to storage.
This feature is used to store ovf backups on storage domains, and probably not very efficient, but may be good enough for now.
See vdsm/rpc/BindingXMLRPC.py (do_PUT)
thanks. I hear this function is not supported by the new jsonrpc, nor will it be supported when messaging will be used... so not sure if it is a good idea to add functionality on top of this one.
The format (xmlrpc/jsonrpc) here is not much interesting, the interesting part is the transport. In fact current download/uploadImage uses REST GET/PUT for downloading/uploading the images (only the errors/messages are reported with xmlrpc or eventually they could be reported with jsonrpc). By design they were not mixed with the other control APIs (because it's not control, it's data). And indeed it cannot be transported with messaging. Uploading/dowloading data to/from the host involves a data transport (and http REST is the most commonly used). Which is exactly what you need here, and it was in fact designed for this use case.
this should be core feature, it cannot be implemented as plugin within the current monolithic implementation.
+1 -- Federico
----- Original Message -----
From: "Federico Simoncelli" <fsimonce@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 7:09:11 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Nir Soffer" <nsoffer@redhat.com> Cc: "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 5:52:36 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Nir Soffer" <nsoffer@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Itamar Heim" <iheim@redhat.com>, "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com>, "Liron Aravot" <laravot@redhat.com> Sent: Monday, December 15, 2014 6:47:44 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Itamar Heim" <iheim@redhat.com> Cc: "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Sunday, December 14, 2014 11:47:26 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already?
Vdsm does support upload over http/https directly to storage.
This feature is used to store ovf backups on storage domains, and probably not very efficient, but may be good enough for now.
See vdsm/rpc/BindingXMLRPC.py (do_PUT)
thanks. I hear this function is not supported by the new jsonrpc, nor will it be supported when messaging will be used... so not sure if it is a good idea to add functionality on top of this one.
The format (xmlrpc/jsonrpc) here is not much interesting, the interesting part is the transport. In fact current download/uploadImage uses REST GET/PUT for downloading/uploading the images (only the errors/messages are reported with xmlrpc or eventually they could be reported with jsonrpc).
By design they were not mixed with the other control APIs (because it's not control, it's data). And indeed it cannot be transported with messaging.
Uploading/dowloading data to/from the host involves a data transport (and http REST is the most commonly used). Which is exactly what you need here, and it was in fact designed for this use case.
there are plans to use messaging/broker to access hosts. this should abstract the physical location of the host. using direct connection to host in addition to broker is something that should be avoided. once solution may be to obtain connection information from the control channel, but one of the "problems" that will nice to be solved is to stop initiating connections from manager.
this should be core feature, it cannot be implemented as plugin within the current monolithic implementation.
+1
-- Federico
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Federico Simoncelli" <fsimonce@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 6:15:53 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Federico Simoncelli" <fsimonce@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 7:09:11 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Nir Soffer" <nsoffer@redhat.com> Cc: "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 5:52:36 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Nir Soffer" <nsoffer@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Itamar Heim" <iheim@redhat.com>, "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com>, "Liron Aravot" <laravot@redhat.com> Sent: Monday, December 15, 2014 6:47:44 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Itamar Heim" <iheim@redhat.com> Cc: "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Sunday, December 14, 2014 11:47:26 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already?
Vdsm does support upload over http/https directly to storage.
This feature is used to store ovf backups on storage domains, and probably not very efficient, but may be good enough for now.
See vdsm/rpc/BindingXMLRPC.py (do_PUT)
thanks. I hear this function is not supported by the new jsonrpc, nor will it be supported when messaging will be used... so not sure if it is a good idea to add functionality on top of this one.
The format (xmlrpc/jsonrpc) here is not much interesting, the interesting part is the transport. In fact current download/uploadImage uses REST GET/PUT for downloading/uploading the images (only the errors/messages are reported with xmlrpc or eventually they could be reported with jsonrpc).
By design they were not mixed with the other control APIs (because it's not control, it's data). And indeed it cannot be transported with messaging.
Uploading/dowloading data to/from the host involves a data transport (and http REST is the most commonly used). Which is exactly what you need here, and it was in fact designed for this use case.
there are plans to use messaging/broker to access hosts. this should abstract the physical location of the host. using direct connection to host in addition to broker is something that should be avoided.
Agreed, although when we discussed how to coherently move large data from/to the hosts it became obvious that messaging/broker is not the right tool.
once solution may be to obtain connection information from the control channel, but one of the "problems" that will nice to be solved is to stop initiating connections from manager.
Retrieving/pushing the REST GET/PUT endpoints from the control path was exactly what we had in mind. WRT the direction I have no preference (even though at the moment it's from manager to host and for simplicity I wouldn't change it right away). I am not sure if the current implementation is misleading but the fact that download/uploadImage are something that don't belong to the control path (regular APIs) should be clear for everyone. -- Federico
On 12/15/2014 07:33 PM, Federico Simoncelli wrote:
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Federico Simoncelli" <fsimonce@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 6:15:53 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Federico Simoncelli" <fsimonce@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 7:09:11 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Nir Soffer" <nsoffer@redhat.com> Cc: "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 5:52:36 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Nir Soffer" <nsoffer@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Itamar Heim" <iheim@redhat.com>, "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com>, "Liron Aravot" <laravot@redhat.com> Sent: Monday, December 15, 2014 6:47:44 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Itamar Heim" <iheim@redhat.com> Cc: "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Sunday, December 14, 2014 11:47:26 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
using ssh and/or nfs to send artifacts to hosts is something we should avoid so using iso/image uploader tools are not a solution. vdsm should support uploading images using its own protocol based on the authentication between engine and vdsm, is it already?
Vdsm does support upload over http/https directly to storage.
This feature is used to store ovf backups on storage domains, and probably not very efficient, but may be good enough for now.
See vdsm/rpc/BindingXMLRPC.py (do_PUT)
thanks. I hear this function is not supported by the new jsonrpc, nor will it be supported when messaging will be used... so not sure if it is a good idea to add functionality on top of this one.
The format (xmlrpc/jsonrpc) here is not much interesting, the interesting part is the transport. In fact current download/uploadImage uses REST GET/PUT for downloading/uploading the images (only the errors/messages are reported with xmlrpc or eventually they could be reported with jsonrpc).
By design they were not mixed with the other control APIs (because it's not control, it's data). And indeed it cannot be transported with messaging.
Uploading/dowloading data to/from the host involves a data transport (and http REST is the most commonly used). Which is exactly what you need here, and it was in fact designed for this use case.
there are plans to use messaging/broker to access hosts. this should abstract the physical location of the host. using direct connection to host in addition to broker is something that should be avoided.
Agreed, although when we discussed how to coherently move large data from/to the hosts it became obvious that messaging/broker is not the right tool.
once solution may be to obtain connection information from the control channel, but one of the "problems" that will nice to be solved is to stop initiating connections from manager.
Retrieving/pushing the REST GET/PUT endpoints from the control path was exactly what we had in mind. WRT the direction I have no preference (even though at the moment it's from manager to host and for simplicity I wouldn't change it right away).
I am not sure if the current implementation is misleading but the fact that download/uploadImage are something that don't belong to the control path (regular APIs) should be clear for everyone.
iirc, the current verbs allow vdsm to download or upload, not the engine. not sure if this will work with "streaming" the images via the engine, vs. having to 'store and forward' them.
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Federico Simoncelli" <fsimonce@redhat.com>, "Alon Bar-Lev" <alonbl@redhat.com> Cc: "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 10:34:51 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On 12/15/2014 07:33 PM, Federico Simoncelli wrote:
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Federico Simoncelli" <fsimonce@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 6:15:53 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Federico Simoncelli" <fsimonce@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 7:09:11 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Nir Soffer" <nsoffer@redhat.com> Cc: "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 5:52:36 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Nir Soffer" <nsoffer@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Itamar Heim" <iheim@redhat.com>, "devel" <devel@ovirt.org>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com>, "Liron Aravot" <laravot@redhat.com> Sent: Monday, December 15, 2014 6:47:44 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message ----- > From: "Alon Bar-Lev" <alonbl@redhat.com> > To: "Itamar Heim" <iheim@redhat.com> > Cc: "devel" <devel@ovirt.org>, "Lucas Vandroux" > <lucas.vandroux@eayun.com>, > "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" > <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> > Sent: Sunday, December 14, 2014 11:47:26 PM > Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files > > > using ssh and/or nfs to send artifacts to hosts is something we > should > avoid > so using iso/image uploader tools are not a solution. > vdsm should support uploading images using its own protocol based on > the > authentication between engine and vdsm, is it already?
Vdsm does support upload over http/https directly to storage.
This feature is used to store ovf backups on storage domains, and probably not very efficient, but may be good enough for now.
See vdsm/rpc/BindingXMLRPC.py (do_PUT)
thanks. I hear this function is not supported by the new jsonrpc, nor will it be supported when messaging will be used... so not sure if it is a good idea to add functionality on top of this one.
The format (xmlrpc/jsonrpc) here is not much interesting, the interesting part is the transport. In fact current download/uploadImage uses REST GET/PUT for downloading/uploading the images (only the errors/messages are reported with xmlrpc or eventually they could be reported with jsonrpc).
By design they were not mixed with the other control APIs (because it's not control, it's data). And indeed it cannot be transported with messaging.
Uploading/dowloading data to/from the host involves a data transport (and http REST is the most commonly used). Which is exactly what you need here, and it was in fact designed for this use case.
there are plans to use messaging/broker to access hosts. this should abstract the physical location of the host. using direct connection to host in addition to broker is something that should be avoided.
Agreed, although when we discussed how to coherently move large data from/to the hosts it became obvious that messaging/broker is not the right tool.
once solution may be to obtain connection information from the control channel, but one of the "problems" that will nice to be solved is to stop initiating connections from manager.
Retrieving/pushing the REST GET/PUT endpoints from the control path was exactly what we had in mind. WRT the direction I have no preference (even though at the moment it's from manager to host and for simplicity I wouldn't change it right away).
I am not sure if the current implementation is misleading but the fact that download/uploadImage are something that don't belong to the control path (regular APIs) should be clear for everyone.
iirc, the current verbs allow vdsm to download or upload, not the engine. not sure if this will work with "streaming" the images via the engine, vs. having to 'store and forward' them.
Using "download" would require 'store and forward'. On the other hand upload should support streaming because engine (or its separate component) would be just a (streaming) proxy between the client and vdsm. -- Federico
On 12/16/2014 12:27 AM, Federico Simoncelli wrote:
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Federico Simoncelli" <fsimonce@redhat.com>, "Alon Bar-Lev" <alonbl@redhat.com> Cc: "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 10:34:51 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On 12/15/2014 07:33 PM, Federico Simoncelli wrote:
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Federico Simoncelli" <fsimonce@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 6:15:53 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Federico Simoncelli" <fsimonce@redhat.com> To: "Alon Bar-Lev" <alonbl@redhat.com> Cc: "Nir Soffer" <nsoffer@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 7:09:11 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message -----
From: "Alon Bar-Lev" <alonbl@redhat.com> To: "Nir Soffer" <nsoffer@redhat.com> Cc: "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 5:52:36 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
----- Original Message ----- > From: "Nir Soffer" <nsoffer@redhat.com> > To: "Alon Bar-Lev" <alonbl@redhat.com> > Cc: "Itamar Heim" <iheim@redhat.com>, "devel" <devel@ovirt.org>, "Lucas > Vandroux" <lucas.vandroux@eayun.com>, "李建盛" > <jiansheng.li@eayun.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal > Skrivanek" > <mskrivan@redhat.com>, "Liron Aravot" > <laravot@redhat.com> > Sent: Monday, December 15, 2014 6:47:44 PM > Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files > > ----- Original Message ----- >> From: "Alon Bar-Lev" <alonbl@redhat.com> >> To: "Itamar Heim" <iheim@redhat.com> >> Cc: "devel" <devel@ovirt.org>, "Lucas Vandroux" >> <lucas.vandroux@eayun.com>, >> "李建盛" <jiansheng.li@eayun.com>, "潘礼洋" >> <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> >> Sent: Sunday, December 14, 2014 11:47:26 PM >> Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files >> >> >> using ssh and/or nfs to send artifacts to hosts is something we >> should >> avoid >> so using iso/image uploader tools are not a solution. >> vdsm should support uploading images using its own protocol based on >> the >> authentication between engine and vdsm, is it already? > > Vdsm does support upload over http/https directly to storage. > > This feature is used to store ovf backups on storage domains, and > probably > not very efficient, but may be good enough for now. > > See vdsm/rpc/BindingXMLRPC.py (do_PUT)
thanks. I hear this function is not supported by the new jsonrpc, nor will it be supported when messaging will be used... so not sure if it is a good idea to add functionality on top of this one.
The format (xmlrpc/jsonrpc) here is not much interesting, the interesting part is the transport. In fact current download/uploadImage uses REST GET/PUT for downloading/uploading the images (only the errors/messages are reported with xmlrpc or eventually they could be reported with jsonrpc).
By design they were not mixed with the other control APIs (because it's not control, it's data). And indeed it cannot be transported with messaging.
Uploading/dowloading data to/from the host involves a data transport (and http REST is the most commonly used). Which is exactly what you need here, and it was in fact designed for this use case.
there are plans to use messaging/broker to access hosts. this should abstract the physical location of the host. using direct connection to host in addition to broker is something that should be avoided.
Agreed, although when we discussed how to coherently move large data from/to the hosts it became obvious that messaging/broker is not the right tool.
once solution may be to obtain connection information from the control channel, but one of the "problems" that will nice to be solved is to stop initiating connections from manager.
Retrieving/pushing the REST GET/PUT endpoints from the control path was exactly what we had in mind. WRT the direction I have no preference (even though at the moment it's from manager to host and for simplicity I wouldn't change it right away).
I am not sure if the current implementation is misleading but the fact that download/uploadImage are something that don't belong to the control path (regular APIs) should be clear for everyone.
iirc, the current verbs allow vdsm to download or upload, not the engine. not sure if this will work with "streaming" the images via the engine, vs. having to 'store and forward' them.
Using "download" would require 'store and forward'. On the other hand upload should support streaming because engine (or its separate component) would be just a (streaming) proxy between the client and vdsm.
I thought 'upload' is vdsm pushing to say, glance. not accepting from engine?
----- Original Message -----
From: "Itamar Heim" <iheim@redhat.com> To: "Federico Simoncelli" <fsimonce@redhat.com> Cc: "Alon Bar-Lev" <alonbl@redhat.com>, "devel" <devel@ovirt.org>, "李建盛" <jiansheng.li@eayun.com>, "Lucas Vandroux" <lucas.vandroux@eayun.com>, "Liron Aravot" <laravot@redhat.com>, "潘礼洋" <liyang.pan@eayun.com>, "Michal Skrivanek" <mskrivan@redhat.com> Sent: Monday, December 15, 2014 11:32:47 PM Subject: Re: [ovirt-devel] UI Plugin to Upload ISO Files
On 12/16/2014 12:27 AM, Federico Simoncelli wrote:
iirc, the current verbs allow vdsm to download or upload, not the engine. not sure if this will work with "streaming" the images via the engine, vs. having to 'store and forward' them.
Using "download" would require 'store and forward'. On the other hand upload should support streaming because engine (or its separate component) would be just a (streaming) proxy between the client and vdsm.
I thought 'upload' is vdsm pushing to say, glance. not accepting from engine?
Yeah it's confusing. Those are different upload/download verbs that are not involving data to/from engine at all. Basically those are regular tasks: upload or download an image to/from an http server. They go through control path because data path is between vdsm and the remote http server. The REST api that we're discussing here instead is the (let's say) glance-like interface that was designed exactly for this download and upload image use-case from the calling endpoint (it is used for the ovf files and I think hosted-engine is using it to inject the engine appliance). In mind we had streaming, not sure how much of that ended up in real code (schedule was extremely tight at that time). -- Federico
On 12/11/14 10:15 PM, Lucas Vandroux wrote:
Dear all,
I'm actually working to create a custom user interface plugin for oVirt web administration application to let user upload iso files.
I'm in the very first stage of the project. I'm planning to use angularjs with the ng-flow module <https://github.com/flowjs/ng-flow> on the client-side and a java servlet using the ovirt-iso-uploader <http://www.ovirt.org/OVirt_engine_tools#ovirt-iso-uploader> engine tool on the server-side.
All my code is going to be on Github in the following repository : iso-uploader-plugin <https://github.com/ovirt-china/iso-uploader-plugin>. You can also check a more detailed version of the specifications on my wiki <https://github.com/ovirt-china/iso-uploader-plugin/wiki/Specifications>.
I'm writing to you guys to know if there is a way for us to collaborate as you may also want to develop something like this to be integrated in the oVirt Engine.
Best regards,
- Lucas Vandroux （冯凯）
Lucas, I am glad to see someone finally picking this up. I don't maintain the ISO uploader anymore but I can offer you some suggestions that may help you with your effort. 1) The mount command which is used by the 'ovirt-iso-uploader' requires root. Hence, the calling process must be root. If you shell out to the 'ovirt-iso-uploader' from a servlet running in Ovirt Engine the calling process will not be root. Instead, it will be the user 'ovirt'. As such, uploading a file will fail because the mount command will fail. To circumvent this issue, I suggest you investigate creating a consolehelper script to call the program as the user 'ovirt' and elevate your privileges to root. I would avoid sudo for this purpose. 2) The plug-in you are creating will only work if Ovirt Engine can actually reach the NFS server. AIUI, there are valid configurations where Hypervisors can reach the NFS server but the Engine cannot. I am not sure if this is still the case but you will want to gracefully handle this. 3) SSH is easier. If you can SSH to the NFS server and upload the files that way then you will not have to shell out to the 'ovirt-iso-uploader'. You can use the Java SSH library that ships with oVirt. I would suggest you review lines in [1] so that you understand the necessary file permissions. It is important to note; however, that not all NFS server support SSH so this should not be the default uploading mechanism. HTH, Keith [1] http://goo.gl/0ihn8W
_______________________________________________ Devel mailing list Devel@ovirt.org http://lists.ovirt.org/mailman/listinfo/devel
On 12/15/2014 07:59 PM, Keith Robertson wrote:
On 12/11/14 10:15 PM, Lucas Vandroux wrote:
Dear all,
I'm actually working to create a custom user interface plugin for oVirt web administration application to let user upload iso files.
I'm in the very first stage of the project. I'm planning to use angularjs with the ng-flow module <https://github.com/flowjs/ng-flow> on the client-side and a java servlet using the ovirt-iso-uploader <http://www.ovirt.org/OVirt_engine_tools#ovirt-iso-uploader> engine tool on the server-side.
All my code is going to be on Github in the following repository : iso-uploader-plugin <https://github.com/ovirt-china/iso-uploader-plugin>. You can also check a more detailed version of the specifications on my wiki <https://github.com/ovirt-china/iso-uploader-plugin/wiki/Specifications>.
I'm writing to you guys to know if there is a way for us to collaborate as you may also want to develop something like this to be integrated in the oVirt Engine.
Best regards,
- Lucas Vandroux （冯凯）
Lucas,
I am glad to see someone finally picking this up.
I don't maintain the ISO uploader anymore but I can offer you some suggestions that may help you with your effort.
1) The mount command which is used by the 'ovirt-iso-uploader' requires root. Hence, the calling process must be root. If you shell out to the 'ovirt-iso-uploader' from a servlet running in Ovirt Engine the calling process will not be root. Instead, it will be the user 'ovirt'. As such, uploading a file will fail because the mount command will fail.
To circumvent this issue, I suggest you investigate creating a consolehelper script to call the program as the user 'ovirt' and elevate your privileges to root. I would avoid sudo for this purpose.
2) The plug-in you are creating will only work if Ovirt Engine can actually reach the NFS server. AIUI, there are valid configurations where Hypervisors can reach the NFS server but the Engine cannot. I am not sure if this is still the case but you will want to gracefully handle this.
3) SSH is easier. If you can SSH to the NFS server and upload the files that way then you will not have to shell out to the 'ovirt-iso-uploader'. You can use the Java SSH library that ships with oVirt. I would suggest you review lines in [1] so that you understand the necessary file permissions. It is important to note; however, that not all NFS server support SSH so this should not be the default uploading mechanism.
though as mentioned on the thread, we'd really love to see this done via upload to storage via vdsm communication.
HTH, Keith
_______________________________________________ Devel mailing list Devel@ovirt.org http://lists.ovirt.org/mailman/listinfo/devel
_______________________________________________ Devel mailing list Devel@ovirt.org http://lists.ovirt.org/mailman/listinfo/devel
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participants (7)
-
Alon Bar-Lev -
Federico Simoncelli -
Itamar Heim -
Keith Robertson -
Lucas Vandroux -
Michal Skrivanek -
Nir Soffer