I've created project for managing virtual machines via libvirt using django
few years ago. Also you can take a look at ganeti project. I'm ready to
answer any question related to django and cloud computing.
Thanks, Serge
20 серп. 2016 20:23 "Wolf Painter" <w...@dorkbrigade.com> пише:
> If you look at the code for the template, images is in there. I've tried
> all the ways I found to display my multidimensional dictionary, one of
> which is to loop through the first part, then the second. If you look at
> the code below, I'm looping through the first part of the dictionary, then
> the second by calling the value on child_list.items which is images. So
> far, nothing I've tried is working no matter how I loop through it in the
> template. I'm still stuck on this as nothing I have looked up has worked,
> but I am new to django, so there may be something I'm missing.:
>
> {% for server, images in child_list.items %}
> <h1>{{ server }}</h1>
> {% for image, number in images.items %}
> <h1>{{ number }}</h1>
> {% endfor %}
> {% endfor %}
>
>
> On Thursday, August 18, 2016 at 6:33:58 AM UTC-7, Derek wrote:
>>
>> In your view you have:
>>
>> context = {
>> "server_list": serverlist,
>> "image_list": imagelist,
>> "child_list": childimagelist
>> }
>>
>> So the variables being passed through to your template are named:
>> server_list, image_list, child_list.
>>
>> In your template you call this:
>>
>> for server, images in child_list.items
>>
>> Which is fine, but then you call this:
>>
>> for image, number in images.items
>>
>> But there is no variable called "images".... I think it should be
>> "image_list:.
>>
>> HTH
>> Derek
>>
>>
>> On Tuesday, 16 August 2016 02:22:28 UTC+2, Wolf Painter wrote:
>>>
>>> Hey everyone, I didn't see any posts (or google search) that could
>>> possibly answer my question, so I am here... I'm trying to create a way to
>>> launch vm's on a Xen or VMWare server using a website. I have the python
>>> file written on the Server and am currently creating a DJango app to manage
>>> everything. I'm stuck in a big way. I currently have models that track
>>> servers, images and child images launched from the parent, but I can't
>>> figure out how to display it properly in a template so i can update the
>>> count (either add or subtract a number of VM's from a server). I'm new to
>>> both Django and Python, so please excuse any ignorance here... Here are my
>>> relevant models:
>>>
>>> class Image(models.Model):
>>> name = models.CharField(verbose_name='Image Name', max_length=50)
>>> labID = models.ManyToManyField(Lab, blank=True, related_name='labID')
>>> type = models.CharField(max_length=50)
>>>
>>> def __str__(self):
>>> return self.name
>>>
>>>
>>> class Server(models.Model):
>>> name = models.CharField(verbose_name='Server Name', max_length=50)
>>> ipAddress = models.CharField(max_length=15)
>>> maxCCU = models.IntegerField(default=0)
>>> images = models.ManyToManyField(Image, blank=True,
>>> related_name='baseImage')
>>>
>>> def __str__(self):
>>> return self.ipAddress
>>>
>>> class Childimage(models.Model):
>>> name = models.CharField(verbose_name='Child Image Name', max_length=50)
>>> parent = models.ForeignKey(Image, related_name='base')
>>> server = models.ForeignKey(Server, related_name='server')
>>> inUse = models.BooleanField()
>>> rdpportnum = models.CharField(max_length=4)
>>>
>>> def __str__(self):
>>> return self.name
>>>
>>> What I'm trying to do is have a web page that displays the number of parent
>>> images on a server by counting the child image. For example, I have a
>>> parent image called win2k12_excel and there are 12 child images of the
>>> parent win2k12_excel on the x.x.x.x server. I would like a web page that
>>> shows there are 12 win2k12_excel images on that server that would allow me
>>> to add or subtract the number on that server.
>>>
>>>
>>> I have created a view that does this and puts it into a multidimensional
>>> dictionary, but I cannot figure out how to get that to render properly in a
>>> template. Here is my view:
>>>
>>>
>>> def servers(request):
>>> serverlist = Server.objects.all()
>>> imagelist = Image.objects.filter(baseImage__in=serverlist).distinct()
>>>
>>> childimagelist = defaultdict(list)
>>> for server in serverlist:
>>> for image in imagelist:
>>> number =
>>> Childimage.objects.filter(parent__name__contains=image).filter(server__ipAddress__contains=server).count()
>>> childimagelist[server].append({image: number})
>>> childimagelist.default_factory = None
>>> context = {
>>> "server_list": serverlist,
>>> "image_list": imagelist,
>>> "child_list": childimagelist
>>> }
>>> return render(request, "administration/servers.html", context)
>>>
>>> No matter what I have tried so far, I cannot get this dictionary to render
>>> in a template. Is there a better way to do what I'm trying to do? Is there
>>> a proper way to get the dictionary parsed in the template? Any help would
>>> be appreciated.
>>>
>>>
>>> Oh, and I have search Google for weeks and tried all the suggestions I
>>> found. None of them worked. I can get the first part of the dictionary
>>> parsed, but no further than that. Here is the template code (server works,
>>> but for image, number in images.items, does not):
>>>
>>>
>>> {% for server, images in child_list.items %}
>>> <h1>{{ server }}</h1>
>>> {% for image, number in images.items %}
>>> <h1>{{ number }}</h1>
>>> {% endfor %}
>>> {% endfor %}
>>>
>>>
>>>
>>> Any help at all would be appreciated...
>>>
>>>
>>> Thanks,
>>>
>>> Wolf
>>>
>>> --
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