[lago-devel] Lago - Installation help needed

[Yaniv Kaul]

On Wed, Sep 21, 2016 at 5:58 PM, Nicolas Ecarnot <nicolas at ecarnot.net>
wrote:

> Le 21/09/2016 à 16:28, Yaniv Kaul a écrit :
>
>
>
> On Wed, Sep 21, 2016 at 5:19 PM, Nicolas Ecarnot <nicolas at ecarnot.net>
> wrote:
>
>> Le 21/09/2016 à 16:11, Yaniv Kaul a écrit :
>>
>>
>>
>> On Wed, Sep 21, 2016 at 5:07 PM, Nicolas Ecarnot <nicolas at ecarnot.net>
>> wrote:
>>
>>> Le 21/09/2016 à 15:49, Yaniv Kaul a écrit :
>>>
>>> Adding the Lago devel mailing list.
>>>
>>> The download is the reposync phase - which seems to be OK, but then the
>>> connection means that for some reason Lago is not serving those RPMs (8585
>>> is the port it should be listening to).
>>> Can you share some logs?
>>>
>>>
>>> http://pastebin.com/nsDFZhuE
>>>
>>
>>
>> Perhaps something with the Firewall?
>>
>>
>> I had no idea whether to keep it or not.
>> I already disabled selinux after having realized it lead to a read only
>> root file system.
>>
>> About the issue above, no being able to reach some random port would
>> indeed be caused by the firewall, so I'll give it a try.
>>
>
> During RPM installation it should add the relevant rule to the firewalld,
> btw:
> if which firewall-cmd &>/dev/null; then
>     firewall-cmd --reload
>     firewall-cmd --permanent --zone=public --add-service=ovirtlago
>     firewall-cmd --reload
> fi
>
>
> I gave it many tries and only when manually adding your recommended
> firewall-cmd command, I was able to go one step further in the run.
>
> Next issue is there :
>
> @ Start Prefix:
>   # Start nets:
>     * Create network lago_basic_suite_3_6_lago:
>     * Create network lago_basic_suite_3_6_lago: Success (in 0:00:06)
>   # Start nets: Success (in 0:00:06)
>   # Start vms:
>     * Starting VM lago_basic_suite_3_6_engine:
> libvirt: QEMU Driver error : internal error: process exited while
> connecting to monitor: 2016-09-21T14:50:12.757362Z qemu-system-x86_64:
> cannot set up guest memory 'pc.ram': Cannot allocate memory
>     * Starting VM lago_basic_suite_3_6_engine: ERROR (in 0:00:02)
>   # Start vms: ERROR (in 0:00:02)
>   # Destroy network lago_basic_suite_3_6_lago:
>   # Destroy network lago_basic_suite_3_6_lago: ERROR (in 0:00:00)
> @ Start Prefix: ERROR (in 0:00:09)
> Error occured, aborting
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/site-packages/lago/cmd.py", line 691, in main
>     cli_plugins[args.verb].do_run(args)
>   File "/usr/lib/python2.7/site-packages/lago/plugins/cli.py", line 180,
> in do_run
>     self._do_run(**vars(args))
>   File "/usr/lib/python2.7/site-packages/lago/utils.py", line 488, in
> wrapper
>     return func(*args, **kwargs)
>   File "/usr/lib/python2.7/site-packages/lago/utils.py", line 499, in
> wrapper
>     return func(*args, prefix=prefix, **kwargs)
>   File "/usr/lib/python2.7/site-packages/lago/cmd.py", line 255, in
> do_start
>     prefix.start(vm_names=vm_names)
>   File "/usr/lib/python2.7/site-packages/lago/prefix.py", line 958, in
> start
>     self.virt_env.start(vm_names=vm_names)
>   File "/usr/lib/python2.7/site-packages/lago/virt.py", line 175, in start
>     vm.start()
>   File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 247,
> in start
>     return self.provider.start(*args, **kwargs)
>   File "/usr/lib/python2.7/site-packages/lago/vm.py", line 93, in start
>     self.libvirt_con.createXML(self._libvirt_xml())
>   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3727, in
> createXML
>     if ret is None:raise libvirtError('virDomainCreateXML() failed',
> conn=self)
> libvirtError: internal error: process exited while connecting to monitor:
> 2016-09-21T14:50:12.757362Z qemu-system-x86_64: cannot set up guest memory
> 'pc.ram': Cannot allocate memory
>
> So here is the time I have to admit I'm trying to run all this on a *very*
> humble machine, with only 4Gb of RAM, that may sound ridiculous but I am
> prepared to wait for days between each command return and mouse click, as
> long as everything is doing its job (slowly).
>
> Not being able to allocate memory is blocking me from even testing Lago.
>
> Wouldn't be somewhere I could tweak some limits?
>

Of course, but I don't such low value would suffice. You can change the
template - basic_suite_3.6/LagoInitFile.in

>
>
> --
> Nicolas ECARNOT
>
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