[one-users] Host hooks aren't triggered
Zaina AFOULKI
zaina.afoulki at ensi-bourges.fr
Sat Apr 2 03:22:55 PDT 2011
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
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