def get_clusternodes(request):
if (
request.user.is_superuser or
request.user.has_perm('ganeti.view_instances')
):
nodes = cache.get('allclusternodes')
bad_clusters = cache.get('badclusters')
bad_nodes = cache.get('badnodes')
if nodes is None:
nodes, bad_clusters, bad_nodes = prepare_clusternodes()
cache.set('allclusternodes', nodes, 90)
if bad_clusters:
messages.add_message(
request,
msgs.WARNING,
"Some nodes may be missing because the" +
" following clusters are unreachable: " +
", ".join([c.description or c.hostname for c in bad_clusters])
)
cache.set('badclusters', bad_clusters, 90)
if bad_nodes:
messages.add_message(
request,
msgs.ERROR,
"Some nodes appear to be offline: " +
", ".join(bad_nodes)
)
cache.set('badnodes', bad_nodes, 90)
if settings.SERVER_MONITORING_URL:
servermon_url = settings.SERVER_MONITORING_URL
status_dict = {}
status_dict['offline'] = 0
status_dict['regular'] = 0
status_dict['drained'] = 0
status_dict['master'] = 0
status_dict['candidate'] = 0
for n in nodes:
if n['role'] == 'O':
status_dict['offline'] += 1
if n['role'] == 'D':
status_dict['drained'] += 1
if n['role'] == 'R':
status_dict['regular'] += 1
if n['role'] == 'C':
status_dict['candidate'] += 1
if n['role'] == 'M':
status_dict['master'] += 1
clusters = list(set([n['cluster'] for n in nodes]))
return render(
request,
'clusters/cluster_nodes.html',
{
'nodes': nodes,
'clusters': clusters,
'statuses': status_dict,
'servermon': servermon_url
}
)
else:
return HttpResponseRedirect(reverse('user-instances'))
def clusternodes_json(request, cluster=None):
if (
request.user.is_superuser or
request.user.has_perm('ganeti.view_instances')
):
nodedetails = []
jresp = {}
nodes = []
bad_clusters = []
bad_nodes = []
if cluster:
cluster = get_object_or_404(Cluster, pk=cluster)
cache.get('allclusternodes')
if not nodes:
nodes, bad_clusters, bad_nodes = prepare_clusternodes(cluster)
cache.set('allclusternodes', nodes, 90)
if bad_clusters:
messages.add_message(
request,
msgs.ERROR,
"Some clusters appear to be offline: " +
", ".join([c.slug for c in bad_clusters])
)
if bad_nodes:
messages.add_message(
request,
msgs.ERROR,
"Some nodes appear to be offline: " +
", ".join(bad_nodes)
)
for node in nodes:
if (not cluster or
(cluster and node['cluster'] == cluster.hostname)):
node_dict = {}
node_dict['name'] = node['name']
# node_dict['node_group'] = node['node_group']
node_dict['mem_used'] = node['mem_used']
node_dict['mfree'] = node['mfree']
node_dict['mtotal'] = node['mtotal']
node_dict['shared_storage'] = node['shared_storage']
node_dict['disk_used'] = node['disk_used']
node_dict['dfree'] = node['dfree']
node_dict['dtotal'] = node['dtotal']
node_dict['ctotal'] = node['ctotal']
node_dict['pinst_cnt'] = node['pinst_cnt']
node_dict['pinst_list'] = node['pinst_list']
node_dict['role'] = node['role']
if cluster:
node_dict['cluster'] = cluster.hostname
else:
node_dict['cluster'] = node['cluster']
nodedetails.append(node_dict)
jresp['aaData'] = nodedetails
res = jresp
return HttpResponse(json.dumps(res), content_type='application/json')
else:
raise PermissionDenied
def clusternodes_json(request, cluster=None):
if (
request.user.is_superuser or
request.user.has_perm('ganeti.view_instances')
):
nodedetails = []
jresp = {}
nodes = []
bad_clusters = []
bad_nodes = []
if cluster:
cluster = get_object_or_404(Cluster, pk=cluster)
cache.get('allclusternodes')
if not nodes:
nodes, bad_clusters, bad_nodes = prepare_clusternodes(cluster)
cache.set('allclusternodes', nodes, 90)
if bad_clusters:
messages.add_message(
request,
msgs.ERROR,
"Some clusters appear to be offline: " +
", ".join([c.slug for c in bad_clusters])
)
if bad_nodes:
messages.add_message(
request,
msgs.ERROR,
"Some nodes appear to be offline: " +
", ".join(bad_nodes)
)
for node in nodes:
if (not cluster or
(cluster and node['cluster'] == cluster.hostname)):
node_dict = {}
node_dict['name'] = node['name']
# node_dict['node_group'] = node['node_group']
node_dict['mem_used'] = node['mem_used']
node_dict['mfree'] = node['mfree']
node_dict['mtotal'] = node['mtotal']
node_dict['shared_storage'] = node['shared_storage']
node_dict['disk_used'] = node['disk_used']
node_dict['dfree'] = node['dfree']
node_dict['dtotal'] = node['dtotal']
node_dict['ctotal'] = node['ctotal']
node_dict['pinst_cnt'] = node['pinst_cnt']
node_dict['pinst_list'] = node['pinst_list']
node_dict['role'] = node['role']
if cluster:
node_dict['cluster'] = cluster.hostname
else:
node_dict['cluster'] = node['cluster']
nodedetails.append(node_dict)
jresp['aaData'] = nodedetails
res = jresp
return HttpResponse(json.dumps(res), content_type='application/json')
else:
raise PermissionDenied
def get_clusternodes_pjax(request):
if (request.user.is_superuser
or request.user.has_perm('ganeti.view_instances')):
nodes = cache.get('allclusternodes')
bad_clusters = cache.get('badclusters')
bad_nodes = cache.get('badnodes')
if nodes is None:
nodes, bad_clusters, bad_nodes = prepare_clusternodes()
cache.set('allclusternodes', nodes, 180)
if bad_clusters:
for c in bad_clusters:
messages.add_message(
request, msgs.WARNING,
"Some nodes may be missing because the" +
" following clusters are unreachable: " +
", ".join([c.description or c.hostname]))
cache.set('badclusters', bad_clusters, 180)
if bad_nodes:
messages.add_message(
request, msgs.ERROR,
"Some nodes appear to be offline: " + ", ".join(bad_nodes))
cache.set('badnodes', bad_nodes, 180)
if settings.SERVER_MONITORING_URL:
servermon_url = settings.SERVER_MONITORING_URL
status_dict = {}
status_dict['offline'] = 0
status_dict['regular'] = 0
status_dict['drained'] = 0
status_dict['master'] = 0
status_dict['candidate'] = 0
for n in nodes:
if n['role'] == 'O':
status_dict['offline'] += 1
if n['role'] == 'D':
status_dict['drained'] += 1
if n['role'] == 'R':
status_dict['regular'] += 1
if n['role'] == 'C':
status_dict['candidate'] += 1
if n['role'] == 'M':
status_dict['master'] += 1
clusters = list(set([n['cluster'] for n in nodes]))
return render(
request, 'clusters/cluster_nodes_pjax.html', {
'nodes': nodes,
'clusters': clusters,
'statuses': status_dict,
'servermon': servermon_url
})
else:
raise PermissionDenied
def clusternodes_json(request, cluster=None):
if (
request.user.is_superuser or
request.user.has_perm('ganeti.view_instances')
):
nodedetails = []
jresp = {}
nodes = None
nodes = cache.get('allclusternodes')
bad_clusters = cache.get('badclusters')
bad_nodes = cache.get('badnodes')
if nodes is None:
nodes, bad_clusters, bad_nodes = prepare_clusternodes()
cache.set('allclusternodes', nodes, 90)
if bad_clusters:
messages.add_message(
request,
msgs.WARNING,
"Some nodes may be missing because the" +
" following clusters are unreachable: " +
", ".join([c.description or c.hostname for c in bad_clusters])
)
cache.set('badclusters', bad_clusters, 90)
if bad_nodes:
messages.add_message(
request,
msgs.ERROR,
"Some nodes appear to be offline: " +
", ".join(bad_nodes)
)
cache.set('badnodes', bad_nodes, 90)
if cluster:
try:
cluster = Cluster.objects.get(hostname=cluster)
except Cluster.DoesNotExist:
cluster = None
for node in nodes:
if not cluster or (cluster and node['cluster'] == cluster.slug):
node_dict = {}
node_dict['name'] = node['name']
# node_dict['node_group'] = node['node_group']
node_dict['mem_used'] = node['mem_used']
node_dict['mfree'] = node['mfree']
node_dict['mtotal'] = node['mtotal']
node_dict['shared_storage'] = node['shared_storage']
node_dict['disk_used'] = node['disk_used']
node_dict['dfree'] = node['dfree']
node_dict['dtotal'] = node['dtotal']
node_dict['ctotal'] = node['ctotal']
node_dict['pinst_cnt'] = node['pinst_cnt']
node_dict['pinst_list'] = node['pinst_list']
node_dict['role'] = node['role']
if cluster:
node_dict['cluster'] = cluster.hostname
else:
node_dict['cluster'] = node['cluster']
nodedetails.append(node_dict)
jresp['aaData'] = nodedetails
res = jresp
return HttpResponse(json.dumps(res), mimetype='application/json')
else:
raise PermissionDenied
