[one-users] Host hooks aren't triggered
Tino Vazquez
tinova at opennebula.org
Mon Apr 11 08:02:10 PDT 2011
Hi,
So it seems like the retrieved collection of VMs is null, and that is
why no VM is scheduled. What is the output of "onevm list"? Running as
oneadmin.
Regards,
-Tino
--
Constantino Vázquez Blanco, MSc
OpenNebula Major Contributor
www.OpenNebula.org | @tinova79
On Tue, Apr 5, 2011 at 8:19 AM, Zaina AFOULKI
<zaina.afoulki at ensi-bourges.fr> wrote:
> Hi Tino,
>
> Yes, I'm attaching the ruby file...
>
> Thanks,
>
> Zaina
>
> On Mon, 4 Apr 2011 15:06:02 +0200, Tino Vazquez wrote:
>>
>> Hi Zaina,
>>
>> Is that after the "vms.info" line?
>>
>> Regards,
>>
>> -Tino
>>
>> --
>> Constantino Vázquez Blanco | dsa-research.org/tinova
>> Virtualization Technology Engineer / Researcher
>> OpenNebula Toolkit | opennebula.org
>>
>>
>>
>> On Sat, Apr 2, 2011 at 12:22 PM, Zaina AFOULKI
>> <zaina.afoulki at ensi-bourges.fr> wrote:
>>>
>>> Hi Tino,
>>>
>>> I changed as you advised and it prints:
>>> <VM_POOL/>
>>>
>>>
>>> On Fri, 1 Apr 2011 18:06:57 +0200, Tino Vazquez wrote:
>>>>
>>>> Hi,
>>>>
>>>> Everything seems alright, except for the xpath expression returned nil
>>>> object. So please let's try debugging the vms fetched:
>>>>
>>>> ---
>>>> class OpenNebula::VirtualMachinePool
>>>> attr_reader :xml
>>>> end
>>>>
>>>> my_file.puts vms.xml
>>>> ---
>>>>
>>>> Regards,
>>>>
>>>> -Tino
>>>>
>>>> --
>>>> Constantino Vázquez Blanco | dsa-research.org/tinova
>>>> Virtualization Technology Engineer / Researcher
>>>> OpenNebula Toolkit | opennebula.org
>>>>
>>>>
>>>>
>>>> On Fri, Apr 1, 2011 at 5:47 PM, Zaina AFOULKI
>>>> <zaina.afoulki at ensi-bourges.fr> wrote:
>>>>>
>>>>> Hi Tino,
>>>>>
>>>>> I added the lines as you asked and I get this in the /tmp/remove_me.txt
>>>>> OpenNebula host NilClass
>>>>> NilClass
>>>>>
>>>>> $ onehost list -x
>>>>> <HOST_POOL>
>>>>> <HOST>
>>>>> <ID>29</ID>
>>>>> <NAME>node1</NAME>
>>>>> <STATE>2</STATE>
>>>>> <IM_MAD>im_kvm</IM_MAD>
>>>>> <VM_MAD>vmm_kvm</VM_MAD>
>>>>> <TM_MAD>tm_nfs</TM_MAD>
>>>>> <LAST_MON_TIME>1301672703</LAST_MON_TIME>
>>>>> <CLUSTER>default</CLUSTER>
>>>>> <TEMPLATE>
>>>>> <ARCH><![CDATA[x86_64]]></ARCH>
>>>>> <CPUSPEED><![CDATA[1998]]></CPUSPEED>
>>>>> <FREECPU><![CDATA[90.6]]></FREECPU>
>>>>> <FREEMEMORY><![CDATA[770956]]></FREEMEMORY>
>>>>> <HOSTNAME><![CDATA[node1]]></HOSTNAME>
>>>>> <HYPERVISOR><![CDATA[kvm]]></HYPERVISOR>
>>>>> <MODELNAME><![CDATA[Intel(R) Core(TM)2 Duo CPU E6550 @
>>>>> 2.33GHz]]></MODELNAME>
>>>>> <NETRX><![CDATA[0]]></NETRX>
>>>>> <NETTX><![CDATA[0]]></NETTX>
>>>>> <TOTALCPU><![CDATA[200]]></TOTALCPU>
>>>>> <TOTALMEMORY><![CDATA[2056676]]></TOTALMEMORY>
>>>>> <USEDCPU><![CDATA[109.4]]></USEDCPU>
>>>>> <USEDMEMORY><![CDATA[1285720]]></USEDMEMORY>
>>>>> </TEMPLATE>
>>>>> <HOST_SHARE>
>>>>> <HID>29</HID>
>>>>> <DISK_USAGE>0</DISK_USAGE>
>>>>> <MEM_USAGE>262144</MEM_USAGE>
>>>>> <CPU_USAGE>10</CPU_USAGE>
>>>>> <MAX_DISK>0</MAX_DISK>
>>>>> <MAX_MEM>2056676</MAX_MEM>
>>>>> <MAX_CPU>200</MAX_CPU>
>>>>> <FREE_DISK>0</FREE_DISK>
>>>>> <FREE_MEM>770956</FREE_MEM>
>>>>> <FREE_CPU>90</FREE_CPU>
>>>>> <USED_DISK>0</USED_DISK>
>>>>> <USED_MEM>1285720</USED_MEM>
>>>>> <USED_CPU>109</USED_CPU>
>>>>> <RUNNING_VMS>1</RUNNING_VMS>
>>>>> </HOST_SHARE>
>>>>> </HOST>
>>>>> <HOST>
>>>>> <ID>31</ID>
>>>>> <NAME>node2</NAME>
>>>>> <STATE>4</STATE>
>>>>> <IM_MAD>im_kvm</IM_MAD>
>>>>> <VM_MAD>vmm_kvm</VM_MAD>
>>>>> <TM_MAD>tm_nfs</TM_MAD>
>>>>> <LAST_MON_TIME>1301672409</LAST_MON_TIME>
>>>>> <CLUSTER>default</CLUSTER>
>>>>> <TEMPLATE>
>>>>> <ARCH><![CDATA[x86_64]]></ARCH>
>>>>> <CPUSPEED><![CDATA[1998]]></CPUSPEED>
>>>>> <FREECPU><![CDATA[200.0]]></FREECPU>
>>>>> <FREEMEMORY><![CDATA[1800824]]></FREEMEMORY>
>>>>> <HOSTNAME><![CDATA[node2]]></HOSTNAME>
>>>>> <HYPERVISOR><![CDATA[kvm]]></HYPERVISOR>
>>>>> <MODELNAME><![CDATA[Intel(R) Core(TM)2 Duo CPU E6550 @
>>>>> 2.33GHz]]></MODELNAME>
>>>>> <NETRX><![CDATA[0]]></NETRX>
>>>>> <NETTX><![CDATA[0]]></NETTX>
>>>>> <TOTALCPU><![CDATA[200]]></TOTALCPU>
>>>>> <TOTALMEMORY><![CDATA[2056676]]></TOTALMEMORY>
>>>>> <USEDCPU><![CDATA[0.0]]></USEDCPU>
>>>>> <USEDMEMORY><![CDATA[255852]]></USEDMEMORY>
>>>>> </TEMPLATE>
>>>>> <HOST_SHARE>
>>>>> <HID>31</HID>
>>>>> <DISK_USAGE>0</DISK_USAGE>
>>>>> <MEM_USAGE>0</MEM_USAGE>
>>>>> <CPU_USAGE>0</CPU_USAGE>
>>>>> <MAX_DISK>0</MAX_DISK>
>>>>> <MAX_MEM>2056676</MAX_MEM>
>>>>> <MAX_CPU>200</MAX_CPU>
>>>>> <FREE_DISK>0</FREE_DISK>
>>>>> <FREE_MEM>1800824</FREE_MEM>
>>>>> <FREE_CPU>200</FREE_CPU>
>>>>> <USED_DISK>0</USED_DISK>
>>>>> <USED_MEM>255852</USED_MEM>
>>>>> <USED_CPU>0</USED_CPU>
>>>>> <RUNNING_VMS>0</RUNNING_VMS>
>>>>> </HOST_SHARE>
>>>>> </HOST>
>>>>> </HOST_POOL>
>>>>>
>>>>>
>>>>>
>>>>> $ onevm list -x
>>>>>
>>>>>
>>>>> <VM_POOL>
>>>>> <VM>
>>>>> <ID>3056</ID>
>>>>> <UID>2</UID>
>>>>> <USERNAME>sfr</USERNAME>
>>>>> <NAME>sfr-ar</NAME>
>>>>> <LAST_POLL>1301672685</LAST_POLL>
>>>>> <STATE>3</STATE>
>>>>> <LCM_STATE>3</LCM_STATE>
>>>>> <STIME>1301672613</STIME>
>>>>> <ETIME>0</ETIME>
>>>>> <DEPLOY_ID>one-3056</DEPLOY_ID>
>>>>> <MEMORY>0</MEMORY>
>>>>> <CPU>0</CPU>
>>>>> <NET_TX>0</NET_TX>
>>>>> <NET_RX>0</NET_RX>
>>>>> <LAST_SEQ>0</LAST_SEQ>
>>>>> <TEMPLATE>
>>>>> <CPU><![CDATA[0.1]]></CPU>
>>>>> <DISK>
>>>>> <DISK_ID><![CDATA[0]]></DISK_ID>
>>>>> <SOURCE><![CDATA[/home/oneadmin/vmu.img]]></SOURCE>
>>>>> <TARGET><![CDATA[sda]]></TARGET>
>>>>> </DISK>
>>>>> <FEATURES>
>>>>> <ACPI><![CDATA[yes]]></ACPI>
>>>>> </FEATURES>
>>>>> <HAIZEA>
>>>>> <DURATION><![CDATA[00:07:00]]></DURATION>
>>>>> <PREEMPTIBLE><![CDATA[no]]></PREEMPTIBLE>
>>>>> <START><![CDATA[+00:00:50]]></START>
>>>>> </HAIZEA>
>>>>> <MEMORY><![CDATA[256]]></MEMORY>
>>>>> <NAME><![CDATA[sfr-ar]]></NAME>
>>>>> <NIC>
>>>>> <BRIDGE><![CDATA[br0]]></BRIDGE>
>>>>> <IP><![CDATA[172.30.8.12]]></IP>
>>>>> <MAC><![CDATA[02:00:ac:1e:08:0c]]></MAC>
>>>>> <NETWORK><![CDATA[orange_public]]></NETWORK>
>>>>> <NETWORK_ID><![CDATA[20]]></NETWORK_ID>
>>>>> </NIC>
>>>>> <OS>
>>>>> <BOOT><![CDATA[hd]]></BOOT>
>>>>> <ROOT><![CDATA[sda]]></ROOT>
>>>>> </OS>
>>>>> <RAW>
>>>>> <DATA><![CDATA[<devices><serial type="pty"><source
>>>>> path="/dev/pts/5"/><target port="0"/></serial><console type="pty"
>>>>> tty="/dev/pts/5"><source path="/dev/pts/5"/><target
>>>>> port="0"/></console><graphics type="vnc" port="5901"
>>>>> autoport="yes"/></devices>]]></DATA>
>>>>> <TYPE><![CDATA[kvm]]></TYPE>
>>>>> </RAW>
>>>>> <VMID><![CDATA[3056]]></VMID>
>>>>> </TEMPLATE>
>>>>> <HISTORY>
>>>>> <SEQ>0</SEQ>
>>>>> <HOSTNAME>node1</HOSTNAME>
>>>>> <HID>29</HID>
>>>>> <STIME>1301672663</STIME>
>>>>> <ETIME>0</ETIME>
>>>>> <PSTIME>1301672663</PSTIME>
>>>>> <PETIME>1301672665</PETIME>
>>>>> <RSTIME>1301672665</RSTIME>
>>>>> <RETIME>0</RETIME>
>>>>> <ESTIME>0</ESTIME>
>>>>> <EETIME>0</EETIME>
>>>>> <REASON>0</REASON>
>>>>> </HISTORY>
>>>>> </VM>
>>>>> <VM>
>>>>> <ID>3057</ID>
>>>>> <UID>2</UID>
>>>>> <USERNAME>sfr</USERNAME>
>>>>> <NAME>sfr-ar</NAME>
>>>>> <LAST_POLL>1301672685</LAST_POLL>
>>>>> <STATE>3</STATE>
>>>>> <LCM_STATE>3</LCM_STATE>
>>>>> <STIME>1301672614</STIME>
>>>>> <ETIME>0</ETIME>
>>>>> <DEPLOY_ID>one-3057</DEPLOY_ID>
>>>>> <MEMORY>0</MEMORY>
>>>>> <CPU>0</CPU>
>>>>> <NET_TX>0</NET_TX>
>>>>> <NET_RX>0</NET_RX>
>>>>> <LAST_SEQ>0</LAST_SEQ>
>>>>> <TEMPLATE>
>>>>> <CPU><![CDATA[0.1]]></CPU>
>>>>> <DISK>
>>>>> <DISK_ID><![CDATA[0]]></DISK_ID>
>>>>> <SOURCE><![CDATA[/home/oneadmin/vmu.img]]></SOURCE>
>>>>> <TARGET><![CDATA[sda]]></TARGET>
>>>>> </DISK>
>>>>> <FEATURES>
>>>>> <ACPI><![CDATA[yes]]></ACPI>
>>>>> </FEATURES>
>>>>> <HAIZEA>
>>>>> <DURATION><![CDATA[00:07:00]]></DURATION>
>>>>> <PREEMPTIBLE><![CDATA[no]]></PREEMPTIBLE>
>>>>> <START><![CDATA[+00:00:50]]></START>
>>>>> </HAIZEA>
>>>>> <MEMORY><![CDATA[256]]></MEMORY>
>>>>> <NAME><![CDATA[sfr-ar]]></NAME>
>>>>> <NIC>
>>>>> <BRIDGE><![CDATA[br0]]></BRIDGE>
>>>>> <IP><![CDATA[172.30.8.10]]></IP>
>>>>> <MAC><![CDATA[02:00:ac:1e:08:0a]]></MAC>
>>>>> <NETWORK><![CDATA[orange_public]]></NETWORK>
>>>>> <NETWORK_ID><![CDATA[20]]></NETWORK_ID>
>>>>> </NIC>
>>>>> <OS>
>>>>> <BOOT><![CDATA[hd]]></BOOT>
>>>>> <ROOT><![CDATA[sda]]></ROOT>
>>>>> </OS>
>>>>> <RAW>
>>>>> <DATA><![CDATA[<devices><serial type="pty"><source
>>>>> path="/dev/pts/5"/><target port="0"/></serial><console type="pty"
>>>>> tty="/dev/pts/5"><source path="/dev/pts/5"/><target
>>>>> port="0"/></console><graphics type="vnc" port="5901"
>>>>> autoport="yes"/></devices>]]></DATA>
>>>>> <TYPE><![CDATA[kvm]]></TYPE>
>>>>> </RAW>
>>>>> <VMID><![CDATA[3057]]></VMID>
>>>>> </TEMPLATE>
>>>>> <HISTORY>
>>>>> <SEQ>0</SEQ>
>>>>> <HOSTNAME>node2</HOSTNAME>
>>>>> <HID>31</HID>
>>>>> <STIME>1301672664</STIME>
>>>>> <ETIME>0</ETIME>
>>>>> <PSTIME>1301672664</PSTIME>
>>>>> <PETIME>1301672684</PETIME>
>>>>> <RSTIME>1301672684</RSTIME>
>>>>> <RETIME>0</RETIME>
>>>>> <ESTIME>0</ESTIME>
>>>>> <EETIME>0</EETIME>
>>>>> <REASON>0</REASON>
>>>>> </HISTORY>
>>>>> </VM>
>>>>> </VM_POOL>
>>>>>
>>>>>
>>>>>
>>>>> On Fri, 1 Apr 2011 17:31:44 +0200, Tino Vazquez wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Please try the following:
>>>>>>
>>>>>> my_file.puts "OpenNebula host #{vm_ids_array.class}"
>>>>>> my_file.puts vm_ids_array.class
>>>>>>
>>>>>> Also, please send the output of
>>>>>>
>>>>>> $ onehost list -x
>>>>>> $ onevm list -x
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> -Tino
>>>>>>
>>>>>> --
>>>>>> Constantino Vázquez Blanco | dsa-research.org/tinova
>>>>>> Virtualization Technology Engineer / Researcher
>>>>>> OpenNebula Toolkit | opennebula.org
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Fri, Apr 1, 2011 at 5:23 PM, Zaina AFOULKI
>>>>>> <zaina.afoulki at ensi-bourges.fr> wrote:
>>>>>>>
>>>>>>> Hi Tino,
>>>>>>>
>>>>>>> I added this to the ruby script (I'm new to Ruby, so I'm not sure
>>>>>>> it's
>>>>>>> correct):
>>>>>>>
>>>>>>> my_file.puts "OpenNebula host #{vm_ids_array.class}"
>>>>>>> for item in 0...vm_ids_array.length
>>>>>>> my_file.puts " #{vm_ids_array[item]}";
>>>>>>> end
>>>>>>>
>>>>>>> $cat /tmp/remove_me.txt
>>>>>>> OpenNebula host has failed 31
>>>>>>> NilClass
>>>>>>>
>>>>>>> oned.log:
>>>>>>>
>>>>>>> Fri Apr 1 17:16:36 2011 [HKM][D]: Message received: LOG - 31 Command
>>>>>>> execution fail: /home/oneadmin/one/share/hooks/host_error.rb 31 -r y
>>>>>>> Fri Apr 1 17:16:36 2011 [HKM][D]: Message received: LOG - 31 STDERR
>>>>>>> follows.
>>>>>>> Fri Apr 1 17:16:36 2011 [HKM][D]: Message received: LOG - 31
>>>>>>> /home/oneadmin/one/share/hooks/host_error.rb:81: undefined method
>>>>>>> `length'
>>>>>>> for nil:NilClass (NoMethodError)
>>>>>>>
>>>>>>> Thanks for your help,
>>>>>>>
>>>>>>> --
>>>>>>> Zaina
>>>>>>>
>>>>>>> On Fri, 1 Apr 2011 12:31:21 +0100, Tino Vazquez wrote:
>>>>>>>>
>>>>>>>> Hi Zaina,
>>>>>>>>
>>>>>>>> Could you please print out also the content of "vm_ids_array"? I am
>>>>>>>> afraid the xpath expression may not be doing its job.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>>
>>>>>>>> -Tino
>>>>>>>>
>>>>>>>> --
>>>>>>>> Constantino Vázquez Blanco, MSc
>>>>>>>> OpenNebula Major Contributor
>>>>>>>> www.OpenNebula.org | @tinova79
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Fri, Apr 1, 2011 at 8:57 AM, Zaina AFOULKI
>>>>>>>> <zaina.afoulki at ensi-bourges.fr> wrote:
>>>>>>>>>
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> I checked the ruby script that's called and it seems that the array
>>>>>>>>> containing the list of VMs is empty
>>>>>>>>> vm_ids_array =
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> vms.retrieve_elements("/VM_POOL/VM[STATE=3]/HISTORY[HOSTNAME=\"#{host_name}\"]/../ID")
>>>>>>>>>
>>>>>>>>> I tried printing something to a tmp file to make sure that the
>>>>>>>>> script
>>>>>>>>> gets
>>>>>>>>> the right host id.
>>>>>>>>> my_file = File.new("/tmp/remove_me.txt", "w")
>>>>>>>>> my_file.puts "OpenNebula host has failed #{ARGV[0]}"
>>>>>>>>>
>>>>>>>>> The hostname and host_id are correctly detected by the script.
>>>>>>>>>
>>>>>>>>> Thank you for any hints on how to fix this,
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Zaina
>>>>>>>>>
>>>>>>>>> On Thu, 31 Mar 2011 16:36:22 +0200, Zaina AFOULKI wrote:
>>>>>>>>>>
>>>>>>>>>> I just checked back the oned.log and it seems that the hook is
>>>>>>>>>> executed
>>>>>>>>>> [HKM][D]: Message received: EXECUTE SUCCESS 31 disable
>>>>>>>>>>
>>>>>>>>>> However the VMs aren't re-submitted as expected ?
>>>>>>>>>>
>>>>>>>>>> Thanks,
>>>>>>>>>> --
>>>>>>>>>> Zaina
>>>>>>>>>>
>>>>>>>>>> On Thu, 31 Mar 2011 16:20:27 +0200, Zaina AFOULKI wrote:
>>>>>>>>>>>
>>>>>>>>>>> Hi,
>>>>>>>>>>>
>>>>>>>>>>> I'm having some trouble getting the HOST_HOOKS to work:
>>>>>>>>>>> I added this to the configuration file and restarted oned.
>>>>>>>>>>>
>>>>>>>>>>> HOST_HOOK = [
>>>>>>>>>>> name = "disable",
>>>>>>>>>>> on = "DISABLE",
>>>>>>>>>>> command = "host_error.rb",
>>>>>>>>>>> arguments = "$HID -r y",
>>>>>>>>>>> remote = "no" ]
>>>>>>>>>>>
>>>>>>>>>>> However when I disable a host using "onehost disable" the VMs
>>>>>>>>>>> aren't
>>>>>>>>>>> re-submitted.
>>>>>>>>>>> The oned.log doesn't indicate that the hook has been triggered.
>>>>>>>>>>>
>>>>>>>>>>> I'm using OpenNebula 2.2 and the script host_error.rb is indeed
>>>>>>>>>>> located in my $ONE_LOCATION/share/hooks/
>>>>>>>>>>>
>>>>>>>>>>> What am I doing wrong? Thanks
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Users mailing list
>>>>>>>>> Users at lists.opennebula.org
>>>>>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Zaina AFOULKI
>>>>>>> Étudiante à l'Ecole Nationale Supérieure d'Ingénieurs de Bourges.
>>>>>>> 1ère année Sécurité et Technologies Informatiques
>>>>>>> _______________________________________________
>>>>>>> Users mailing list
>>>>>>> Users at lists.opennebula.org
>>>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>>>
>>>>>
>>>>> --
>>>>> Zaina AFOULKI
>>>>> Étudiante à l'Ecole Nationale Supérieure d'Ingénieurs de Bourges.
>>>>> 1ère année Sécurité et Technologies Informatiques
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.opennebula.org
>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>
>>>
>>> --
>>> Zaina
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opennebula.org
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>
> --
> Zaina
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>
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