class KubernetesHost(HostBase):
""" Main handler to operate the K8s hosts
"""
def __init__(self):
self.operation = KubernetesOperation()
def create(self, k8s_params):
""" Create a new Kubernetes host
:param k8s_params : params to connect to Kubernetes Master node
:return:
"""
# Init connection
return self.operation.check_host(k8s_params)
def refresh_status(self, k8s_params):
""" Refresh the status of the host
:param k8s_params: params to connect to Kubernetes Master node
:return: the status of the host
"""
return self.operation.refresh_status(k8s_params)
def delete(self, k8s_params):
""" Delete a host instance and the cluster on it
:param k8s_params: params to connect to Kubernetes Master node
:return:
"""
pass
def reset(self, k8s_params):
""" Clean the free clusters on the host.
:param k8s_params: params to connect to Kubernetes Master node
:return:
"""
pass
def get_services_urls(self, cid):
try:
cluster = ClusterModel.objects.get(id=cid)
cluster_name = cluster.name
kube_config = KubernetesOperation()._get_from_params(
cluster.host.k8s_param)
operation = K8sClusterOperation(kube_config)
services_urls = operation.get_services_urls(cluster_name)
except Exception as e:
logger.error(
"Failed to get Kubernetes services's urls: {}".format(e))
return None
return services_urls
def _get_cluster_info(self, cid, config):
cluster = ClusterModel.objects.get(id=cid)
cluster_name = cluster.name
kube_config = KubernetesOperation()._get_config_from_params(cluster
.host
.k8s_param)
clusters_exists = ClusterModel.objects(host=cluster.host)
ports_index = [service.port for service in ServicePort
.objects(cluster__in=clusters_exists)]
nfsServer_ip = cluster.host.k8s_param.get('K8SNfsServer')
consensus = config['consensus_plugin']
return cluster, cluster_name, kube_config, ports_index, \
nfsServer_ip, consensus
def __init__(self):
self.operation = KubernetesOperation()