Re: [Xen-devel] Tuning of exported VM template files (XCP 1.1)

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2011-10-25 at 21:31 +0100, Mark Schneider wrote:
> Hello,

Hi.

Please do not cross post to multiple lists, pick the one which best
suits your question. In this case questions regarding XCP and xe/xapi
are likely best addressed to the xen-api@ list.

Note also that xen-devel@ is a list for the discussion of the
development of Xen and not user support.

Ian.

> 
> How can I modify exported VM template (s. attachment) to fit particular 
> requirements?
> I would like to install them again after modifications for creating of 
> new VMs.
> 
> Exported VM templates are binary files (kind of DB). Are there any tools 
> to edit such VM template files? I have to use xe CLI / Linux tools 
> (can't use XenCenter).
> 
> Another possibility would be to export a template from already modified 
> installed VM. How? I didn't find any useful information in docs or on 
> the net about this topic.
> 
> Thank you in advance for any hints.
> 
> regards, Mark
> 
> -- 
> ms@xxxxxxxxxxxxxxxxxxxxxx
> 
> 
> ps. Example of VM structure
> # ---
> [root@xcp11db02 ~]# xe vm-list name-label=ubuntu11dbrt20 params=
> uuid ( RO)                          : 4133031a-e064-38e7-416d-72e1eb0a9118
>                      name-label ( RW): ubuntu11dbrt20
>                name-description ( RW): Installed via xe CLI
>                    user-version ( RW): 1
>                   is-a-template ( RW): false
>                   is-a-snapshot ( RO): false
>                     snapshot-of ( RO):<not in database>
>                       snapshots ( RO):
>                   snapshot-time ( RO): 19700101T00:00:00Z
>                   snapshot-info ( RO):
>                          parent ( RO): 7c3081c0-5d69-5d9b-3c41-c162ded416ee
>                        children ( RO):
>               is-control-domain ( RO): false
>                     power-state ( RO): running
>                   memory-actual ( RO): 8589848576
>                   memory-target ( RO):<expensive field>
>                 memory-overhead ( RO): 77594624
>               memory-static-max ( RW): 8589934592
>              memory-dynamic-max ( RW): 8589934592
>              memory-dynamic-min ( RW): 2147483648
>               memory-static-min ( RW): 134217728
>                suspend-VDI-uuid ( RO):<not in database>
>                    VCPUs-params (MRW):
>                       VCPUs-max ( RW): 8
>                VCPUs-at-startup ( RW): 4
>          actions-after-shutdown ( RW): Destroy
>            actions-after-reboot ( RW): Restart
>             actions-after-crash ( RW): Restart
>                   console-uuids (SRO): bd4b277b-6941-7111-7b24-6579ada555ca
>                        platform (MRW): timeoffset: 0; nx: false; acpi: true; 
> apic: true; pae: true; viridian: true
>              allowed-operations (SRO): changing_dynamic_range; hard_reboot; 
> hard_shutdown; pause; snapshot
>              current-operations (SRO):
>              blocked-operations (MRW):
>             allowed-VBD-devices (SRO):<expensive field>
>             allowed-VIF-devices (SRO):<expensive field>
>                  possible-hosts ( RO):<expensive field>
>                 HVM-boot-policy ( RW): BIOS order
>                 HVM-boot-params (MRW): order: dc
>           HVM-shadow-multiplier ( RW): 1.000
>                       PV-kernel ( RW):
>                      PV-ramdisk ( RW):
>                         PV-args ( RW):
>                  PV-legacy-args ( RW):
>                   PV-bootloader ( RW):
>              PV-bootloader-args ( RW):
>             last-boot-CPU-flags ( RO):
>                last-boot-record ( RO):<expensive field>
>                     resident-on ( RO): 280e2816-2d45-4217-881e-e2ad4b423159
>                        affinity ( RW):<not in database>
>                    other-config (MRW): last_shutdown_time: 
> 20111025T18:32:09Z; last_shutdown_action: Restart; last_shutdown_initiator: 
> external; last_shutdown_reason: rebooted; mac_seed: 
> a507ca72-1a89-e83d-a1b1-1ee749e6088f; install-methods: cdrom
>                          dom-id ( RO): 6
>                 recommendations ( RO):<restrictions><restriction 
> field="memory-static-max" max="34359738368" /><restriction field="vcpus-max" 
> max="8" /><restriction property="number-of-vbds" max="7" /><restriction 
> property="number-of-vifs" max="7" /></restrictions>
>                   xenstore-data (MRW):
>                   ha-always-run ( RW): false
>             ha-restart-priority ( RW):
>                           blobs ( RO):
>                      start-time ( RO): 20111025T18:32:29Z
>                    install-time ( RO): 20111024T17:22:55Z
>                    VCPUs-number ( RO): 4
>               VCPUs-utilisation (MRO):<expensive field>
>                      os-version (MRO):<not in database>
>              PV-drivers-version (MRO):<not in database>
>           PV-drivers-up-to-date ( RO):<not in database>
>                          memory (MRO):<not in database>
>                           disks (MRO):<not in database>
>                        networks (MRO):<not in database>
>                           other (MRO):<not in database>
>                            live ( RO):<not in database>
>      guest-metrics-last-updated ( RO):<not in database>
>                     cooperative ( RO):<expensive field>
>               protection-policy ( RW):<not in database>
>           is-snapshot-from-vmpp ( RO): false
>                            tags (SRW):
> 
> 



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