[one-users] Host hooks aren't triggered

Tino Vazquez tinova79 at gmail.com
Mon Apr 4 06:06:02 PDT 2011
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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
>
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