def get_host_metrics(request):
if request.method == 'POST' and request.is_ajax():
host_id = request.POST.get('host_id', None)
if host_id:
grafana_endpoint = settings.GRAFANA_ENDPOINT
host_id = int(host_id)
cloud = common.get_cloud_handler()
host = cloud.get_host_repr(host_id)
host_name = host['name']
date_to = int(round(time.time() * 1000))
date_from = date_to - 86400000
date_to = str(date_to)
date_from = str(date_from)
content = render_to_string(
'metrics_host.html', {
'grafana_endpoint': grafana_endpoint,
'date_from': date_from,
'date_to': date_to,
'host_name': host_name
})
response = {
'html': content,
'date_from': date_from,
'date_to': date_to
}
return response_with_messages(messages, response, request)
else:
return HttpResponse("host_id is empty")
else:
return HttpResponse("Wrong request")
def get_cluster_info(request):
if request.method == 'POST' and request.is_ajax():
cluster_id = request.POST.get('cluster_id', None)
if cluster_id:
cluster_id = int(cluster_id)
cloud = common.get_cloud_handler()
cluster = cloud.get_cluster_repr(cluster_id)
response = {'id': cluster['id'], 'name': cluster['name']}
messages.success(
request, "Cluster information was synchronized successfully!")
return response_with_messages(messages, response, request)
else:
return HttpResponse("cluster_id is empty")
else:
return HttpResponse("Wrong request")
def get_vm_info(request):
if request.method == 'POST' and request.is_ajax():
vm_id = request.POST.get('vm_id', None)
if vm_id:
vm_id = int(vm_id)
cloud = common.get_cloud_handler()
vm = cloud.get_vm_repr(vm_id)
response = {
'id': vm['id'],
'cpu': vm['cpu_req'],
'ram': vm['mem_req'],
'host': vm['hid']
}
messages.success(request,
"VM information was synchronized successfully!")
return response_with_messages(messages, response, request)
else:
return HttpResponse("vm_id is empty")
else:
return HttpResponse("Wrong request")
def get_host_info(request):
if request.method == 'POST' and request.is_ajax():
host_id = request.POST.get('host_id', None)
if host_id:
host_id = int(host_id)
cloud = common.get_cloud_handler()
host = cloud.get_host_repr(host_id)
response = {
'id': host['id'],
'cpu': host['usage_cpu']['max'],
'ram': host['usage_mem']['max'],
'cluster_id': host['cluster_id']
}
messages.success(
request, "Host information was synchronized successfully!")
return response_with_messages(messages, response, request)
else:
return HttpResponse("host_id is empty")
else:
return HttpResponse("Wrong request")
def load_new_cloud_conf():
cloud = common.get_cloud_handler()
clusters = cloud.get_clusters_repr()
for cluster in clusters:
cluster_record = Cluster(cluster_id=cluster['id'],
cluster_name=cluster['name'])
cluster_record.save()
hosts = cloud.get_hosts_repr()
for host in hosts:
host_record = Host(host_id=host['id'],
cpu=host['usage_cpu']['max'],
ram=host['usage_mem']['max'],
cluster=host['cluster_id'])
host_record.save()
vms = cloud.get_vms_repr(vmStateFilter=3)
for vm in vms:
vm_record = VM(vm_id=vm['id'],
cpu=vm['cpu_req'],
ram=vm['mem_req'],
host=Host.objects.get(host_id=vm['hid']))
vm_record.save()
def get_cloud_conf_changes():
cloud = common.get_cloud_handler()
result = {"clusters": {}, "hosts": {}, "vms": {}}
hasChanges = False
clusters = cloud.get_clusters_repr()
clusters_db = Cluster.objects.all()
for cluster in clusters:
found_match = False
for cluster_db in clusters_db:
if cluster["id"] == cluster_db.cluster_id:
found_match = True
if cluster["name"] != cluster_db.cluster_name:
hasChanges = True
result["clusters"][str(cluster["id"])] = {
"cluster_id": cluster['id'],
"cluster_name": cluster['name'],
"old_cluster_name": cluster_db.cluster_name
}
if not found_match:
hasChanges = True
result["clusters"][str(cluster["id"])] = {
"cluster_id": cluster['id'],
"cluster_name": cluster['name'],
"old_cluster_name": "-"
}
hosts = cloud.get_hosts_repr()
hosts_db = Host.objects.all()
for host in hosts:
found_match = False
for host_db in hosts_db:
if host["id"] == host_db.host_id:
found_match = True
if host_db.cpu != host['usage_cpu'][
'max'] or host_db.ram != host['usage_mem'][
'max'] or host_db.cluster != host['cluster_id']:
hasChanges = True
result["hosts"][host["id"]] = {
'host_id': host['id'],
'cpu': host['usage_cpu']['max'],
'ram': host['usage_mem']['max'],
'cluster_id': host['cluster_id'],
'old_cpu': host_db.cpu,
'old_ram': host_db.ram,
'old_cluster_id': host_db.cluster
}
if not found_match:
hasChanges = True
result["hosts"][host["id"]] = {
'host_id': host['id'],
'cpu': host['usage_cpu']['max'],
'ram': host['usage_mem']['max'],
'cluster_id': host['cluster_id'],
'old_cpu': "-",
'old_ram': "-",
'old_cluster_id': "-"
}
vms = cloud.get_vms_repr(vmStateFilter=3)
vms_db = VM.objects.all().prefetch_related('host')
for vm in vms:
found_match = False
for vm_db in vms_db:
if vm['id'] == vm_db.vm_id:
found_match = True
if vm_db.cpu != vm['cpu_req'] or vm_db.ram != vm[
'mem_req'] or vm_db.host.host_id != vm['hid']:
hasChanges = True
result["vms"][vm["id"]] = {
'vm_id': vm['id'],
'cpu': vm['cpu_req'],
'ram': vm['mem_req'],
'host_id': vm['hid'],
'old_cpu': vm_db.cpu,
'old_ram': vm_db.ram,
'old_host_id': vm_db.host.host_id
}
if not found_match:
hasChanges = True
result["vms"][vm["id"]] = {
'vm_id': vm['id'],
'cpu': vm['cpu_req'],
'ram': vm['mem_req'],
'host_id': vm['hid'],
'old_cpu': "-",
'old_ram': "-",
'old_host_id': "-"
}
result['has'] = hasChanges
return result