Added start/stop functionality for VMs. Refactored a few functions.
This commit is contained in:
M.Ravi
parent
c7334dfac2
commit
b68fe31361
2 changed files with 58 additions and 60 deletions
|
|
@ -6,6 +6,8 @@ from django.template.response import TemplateResponse
|
|||
from django.conf import settings
|
||||
from utils.mailer import BaseEmail
|
||||
from django import template
|
||||
from django.shortcuts import redirect
|
||||
from django.contrib import messages
|
||||
import oca
|
||||
import socket
|
||||
from oca.exceptions import OpenNebulaException
|
||||
|
|
@ -13,17 +15,6 @@ from oca.exceptions import OpenNebulaException
|
|||
from .forms import HostingOrderAdminForm
|
||||
from .models import VirtualMachineType, VirtualMachinePlan, HostingOrder, ManageVMs
|
||||
|
||||
register = template.Library()
|
||||
|
||||
def get_vm_state(value):
|
||||
if value == 1:
|
||||
return 'PENDING'
|
||||
#states = {-2: 'Any incl done', -1 : 'Any except done', 0 : 'INIT', 1 : 'PENDING', 2 : 'HOLD', 3 : 'ACTIVE', 4 : 'STOPPED', 5 : 'SUSPENDED', 6 : 'DONE', 7 : 'FAILED'}
|
||||
#return states.get(value)
|
||||
return 'UNKNO'
|
||||
|
||||
register.filter('get_vm_state', get_vm_state)
|
||||
|
||||
class HostingOrderAdmin(admin.ModelAdmin):
|
||||
# fields = ('slug', 'imdb_link', 'start', 'finish', 'added_by')
|
||||
list_display = ('id', 'created_at', 'plan', 'user')
|
||||
|
|
@ -113,12 +104,12 @@ class HostingManageVMsAdmin(admin.ModelAdmin):
|
|||
def get_urls(self):
|
||||
self.client = oca.Client(settings.OPENNEBULA_USERNAME + ':' + settings.OPENNEBULA_PASSWORD, settings.OPENNEBULA_PROTOCOL + '://' + settings.OPENNEBULA_DOMAIN + ':' + settings.OPENNEBULA_PORT + settings.OPENNEBULA_ENDPOINT)
|
||||
urls = super().get_urls()
|
||||
#socket.setdefaulttimeout(5)
|
||||
my_urls = [
|
||||
url(r'^$', self.admin_site.admin_view(self.my_view, cacheable=True)),
|
||||
url(r'^$', self.admin_site.admin_view(self.my_view, cacheable=True), name='showvms'),
|
||||
url(r'^create_vm/$', self.admin_site.admin_view(self.create_vm, cacheable=True), name='createvm'),
|
||||
url(r'^delete_vm/(?P<vmid>\d+)/$', self.admin_site.admin_view(self.delete_vm, cacheable=True), name='deletevm'),
|
||||
#url(r'^my_views/$', self.admin_site.admin_view(self.my_view, cacheable=True))
|
||||
url(r'^stop_vm/(?P<vmid>\d+)/$', self.admin_site.admin_view(self.stop_vm, cacheable=True), name='stopvm'),
|
||||
url(r'^start_vm/(?P<vmid>\d+)/$', self.admin_site.admin_view(self.start_vm, cacheable=True), name='startvm'),
|
||||
]
|
||||
return my_urls + urls
|
||||
|
||||
|
|
@ -142,70 +133,72 @@ class HostingManageVMsAdmin(admin.ModelAdmin):
|
|||
# key=value,
|
||||
)
|
||||
return TemplateResponse(request, "hosting/managevms.html", context)
|
||||
|
||||
|
||||
# Creating VM by using method allocate(client, template)
|
||||
def create_vm(self, request):
|
||||
s_message = ''
|
||||
e_message = ''
|
||||
message = ''
|
||||
try :
|
||||
# Lets create a test VM with 128MB of ram and 1 CPU
|
||||
vm_id = oca.VirtualMachine.allocate(self.client, '<VM><MEMORY>128</MEMORY><CPU>1</CPU></VM>')
|
||||
s_message = "Created with id = " + str(vm_id)
|
||||
message = "Created with id = " + str(vm_id)
|
||||
vm_pool = self.get_vms()
|
||||
messages.add_message(request, messages.SUCCESS, message)
|
||||
# Lets print the VMs available in the pool
|
||||
# print("Printing the available VMs in the pool.")
|
||||
# vm_pool = oca.VirtualMachinePool(client)
|
||||
# for vm in vm_pool:
|
||||
# print("%s (memory: %s MB)" % ( vm.name, vm.template.memory))
|
||||
except socket.timeout:
|
||||
e_message = "Socket timeout error."
|
||||
messages.add_message(request, messages.ERROR, "Socket timeout error.")
|
||||
except OpenNebulaException:
|
||||
e_message = "OpenNebulaException occurred."
|
||||
context = dict(
|
||||
# Include common variables for rendering the admin template.
|
||||
self.admin_site.each_context(request),
|
||||
error_msg=e_message,
|
||||
success_msg=s_message,
|
||||
vms = vm_pool,
|
||||
# Anything else you want in the context...
|
||||
# key=value,
|
||||
)
|
||||
return TemplateResponse(request, "hosting/managevms.html", context)
|
||||
|
||||
messages.add_message(request, messages.ERROR, "OpenNebulaException occurred.")
|
||||
return redirect('admin:showvms')
|
||||
|
||||
# Retrives virtual machine pool information
|
||||
def get_vms(self):
|
||||
vm_pool = oca.VirtualMachinePool(self.client)
|
||||
vm_pool.info()
|
||||
return vm_pool
|
||||
|
||||
|
||||
# Delete VM from the pool and DB by using method finalize()
|
||||
def delete_vm(self, request, vmid):
|
||||
vm_pool = self.get_vms()
|
||||
e_message = ''
|
||||
s_message = ''
|
||||
# get the desired vm from the pool
|
||||
vm_id = int(vmid)
|
||||
vm = self.get_vm_by_id(vm_id)
|
||||
if vm == -1:
|
||||
print("Did not find a vm with id = " + str(vm_id))
|
||||
e_message = "Did not find a vm with id = " + str(vm_id)
|
||||
messages.add_message(request, messages.ERROR, "Did not find a vm with id = " + str(vm_id))
|
||||
else :
|
||||
print("Deleting vm_id = " + str(vm_id) + " state = " + vm.str_state)
|
||||
if vm.str_state == 'PENDING' or vm.str_state =='POWEROFF' or vm.str_state =='ACTIVE':
|
||||
vm.delete()
|
||||
s_message = "Deleted from " + vm.str_state + " state vm with id = " + str(vm_id)
|
||||
messages.add_message(request, messages.SUCCESS, "Deleted from " + vm.str_state + " state vm with id = " + str(vm_id))
|
||||
else:
|
||||
s_message = "Deleted from " + vm.str_state + " state vm with id = " + str(vm_id)
|
||||
vm.finalize()
|
||||
vm_pool = self.get_vms()
|
||||
context = dict(
|
||||
# Include common variables for rendering the admin template.
|
||||
self.admin_site.each_context(request),
|
||||
error_msg=e_message,
|
||||
success_msg=s_message,
|
||||
vms = vm_pool,
|
||||
# Anything else you want in the context...
|
||||
# key=value,
|
||||
)
|
||||
return TemplateResponse(request, "hosting/managevms.html", context)
|
||||
|
||||
messages.add_message(request, messages.SUCCESS, "Deleted (using finalize()) from " + vm.str_state + " state vm with id = " + str(vm_id))
|
||||
return redirect('admin:showvms')
|
||||
|
||||
def stop_vm(self, request, vmid):
|
||||
e_message = ''
|
||||
s_message = ''
|
||||
vm_id = int(vmid)
|
||||
vm = self.get_vm_by_id(vm_id)
|
||||
if vm == -1:
|
||||
messages.add_message(request, messages.ERROR, "Did not find a vm with id = " + str(vm_id))
|
||||
else :
|
||||
vm.stop()
|
||||
messages.add_message(request, messages.SUCCESS, "Stopped the vm with id = " + str(vm_id))
|
||||
return redirect('admin:showvms')
|
||||
|
||||
def start_vm(self, request, vmid):
|
||||
vm_id = int(vmid)
|
||||
vm = self.get_vm_by_id(vm_id)
|
||||
if vm == -1:
|
||||
messages.add_message(request, messages.ERROR, "Did not find a vm with id = " + str(vm_id))
|
||||
else :
|
||||
vm.resume()
|
||||
messages.add_message(request, messages.SUCCESS, "Started the vm with id = " + str(vm_id))
|
||||
return redirect('admin:showvms')
|
||||
|
||||
def get_vm_by_id(self, vmid):
|
||||
vms = self.get_vms()
|
||||
vms
|
||||
|
|
|
|||
|
|
@ -1,12 +1,9 @@
|
|||
{% extends "admin/base_site.html" %}
|
||||
{% load staticfiles bootstrap3 i18n %}
|
||||
{% block content %}
|
||||
{% if error_msg %}
|
||||
<p class="alert alert-danger">{{error_msg}}</p>
|
||||
{% endif %}
|
||||
{% if success_msg %}
|
||||
<p class="alert alert-success">{{success_msg}}</p>
|
||||
{% endif %}
|
||||
|
||||
|
||||
|
||||
<a href="{% url 'admin:createvm' %}">Create VM</a>
|
||||
|
||||
{% if vms %}
|
||||
|
|
@ -19,7 +16,7 @@
|
|||
<th>Memory</th>
|
||||
<th>Status</th>
|
||||
<th>User Name</th>
|
||||
<th>Manage Vms</th>
|
||||
<th>Actions</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
|
|
@ -30,12 +27,20 @@
|
|||
<td>{{vm.template.memory}}</td>
|
||||
<td>{{vm.str_state}}</td>
|
||||
<td>{{vm.uname}}</td>
|
||||
<td><a href="{% url 'admin:deletevm' vm.id %}">Delete VM</a></td>
|
||||
<td>
|
||||
{% if vm.str_state == 'ACTIVE' %}
|
||||
<a href="{% url 'admin:stopvm' vm.id %}">Stop VM</a>
|
||||
{% elif vm.str_state == 'STOPPED' %}
|
||||
<a href="{% url 'admin:startvm' vm.id %}">Start VM</a>
|
||||
{% endif %}
|
||||
<a href="{% url 'admin:deletevm' vm.id %}">Delete VM</a>
|
||||
|
||||
|
||||
</td>
|
||||
</tr>
|
||||
{% endfor %}
|
||||
</tbody>
|
||||
</table>
|
||||
</section>
|
||||
{% endif %}
|
||||
|
||||
{% endblock %}
|
||||
|
|
|
|||
Loading…
Reference in a new issue