def clusters_list():
tenant_id = request.headers['X-Tenant-Id']
try:
return api_u.render(
clusters=[c.dict for c in api.get_clusters(tenant_id=tenant_id)])
except Exception, e:
return api_u.internal_error(500, 'Exception while listing Clusters', e)
def check_cluster_template_usage(cluster_template_id, **kwargs):
clusters = api.get_clusters()
use_cluster_template_ids = [cluster.cluster_template_id
for cluster in clusters]
if cluster_template_id in use_cluster_template_ids:
raise ex.InvalidException(
"Cluster template %s is use" % cluster_template_id)
def check_cluster_template_usage(cluster_template_id, **kwargs):
clusters = api.get_clusters()
use_cluster_template_ids = [
cluster.cluster_template_id for cluster in clusters
]
if cluster_template_id in use_cluster_template_ids:
raise ex.InvalidException("Cluster template %s is use" %
cluster_template_id)
def validate_cluster_create(cluster_values):
jsonschema.validate(cluster_values, CLUSTER_CREATE_SCHEMA)
values = cluster_values['cluster']
# check that requested cluster name is unique
unique_names = [cluster.name for cluster in api.get_clusters()]
if values['name'] in unique_names:
raise ex.ClusterNameExistedException(values['name'])
# check that requested templates are from already defined values
node_templates = values['node_templates']
possible_node_templates = [nt.name for nt in api.get_node_templates()]
for nt in node_templates:
if nt not in possible_node_templates:
raise ex.NodeTemplateNotFoundException(nt)
# check node count is integer and non-zero value
jsonschema.validate(node_templates[nt],
{"type": "integer", "minimum": 1})
# check that requested cluster contains only 1 instance of NameNode
# and 1 instance of JobTracker
jt_count = 0
nn_count = 0
for nt_name in node_templates:
processes = api.get_node_template(name=nt_name).dict['node_type'][
'processes']
if "job_tracker" in processes:
jt_count += node_templates[nt_name]
if "name_node" in processes:
nn_count += node_templates[nt_name]
if nn_count != 1:
raise ex.NotSingleNameNodeException(nn_count)
if jt_count != 1:
raise ex.NotSingleJobTrackerException(jt_count)
if CONF.allow_cluster_ops:
image_id = values['base_image_id']
nova_images = nova.get_images(request.headers)
if image_id not in nova_images:
LOG.debug("Could not find %s image in %s", image_id, nova_images)
raise ex.ImageNotFoundException(values['base_image_id'])
# check available Nova absolute limits
_check_limits(nova.get_limits(request.headers),
values['node_templates'])
else:
LOG.info("Cluster ops are disabled, use --allow-cluster-ops flag")
def check_node_group_template_usage(node_group_template_id, **kwargs):
node_groups = []
for cluster in api.get_clusters():
node_groups += cluster.node_groups
for cluster_template in api.get_cluster_templates():
node_groups += cluster_template.node_groups
node_group_template_ids = set(
[node_group.node_group_template_id for node_group in node_groups])
if node_group_template_id in node_group_template_ids:
raise ex.InvalidException("Node group template %s is use" %
node_group_template_id)
def check_node_group_template_usage(node_group_template_id, **kwargs):
node_groups = []
for cluster in api.get_clusters():
node_groups += cluster.node_groups
for cluster_template in api.get_cluster_templates():
node_groups += cluster_template.node_groups
node_group_template_ids = set([node_group.node_group_template_id
for node_group in node_groups])
if node_group_template_id in node_group_template_ids:
raise ex.InvalidException(
"Node group template %s in use" % node_group_template_id)
def check_cluster_unique_name(name):
if name in [cluster.name for cluster in api.get_clusters()]:
raise ex.NameAlreadyExistsException("Cluster with name '%s' already"
" exists" % name)
def clusters_list():
return u.render(clusters=[c.to_dict() for c in api.get_clusters()])
def check_cluster_unique_name(name):
if name in [cluster.name for cluster in api.get_clusters()]:
raise ex.NameAlreadyExistsException("Cluster with name '%s' already"
" exists" % name)
def clusters_list():
try:
return render(clusters=[c.dict for c in api.get_clusters()])
except Exception, e:
abort_and_log(500, 'Exception while listing Clusters', e)
def clusters_list():
return u.render(clusters=[c.to_dict() for c in api.get_clusters()])
