def list_services(self, namespace=None):
"""
List all available services.
:param namespace: str, if not specified list services for all namespaces
:return: collection of instances of :class:`conu.backend.k8s.service.Service`
"""
if namespace:
return [
Service(name=s.metadata.name,
ports=k8s_ports_to_metadata_ports(s.spec.ports),
namespace=s.metadata.namespace,
labels=s.metadata.labels,
selector=s.spec.selector,
spec=s.spec)
for s in self.core_api.list_namespaced_service(
namespace, watch=False).items
]
return [
Service(name=s.metadata.name,
ports=k8s_ports_to_metadata_ports(s.spec.ports),
namespace=s.metadata.namespace,
labels=s.metadata.labels,
selector=s.spec.selector,
spec=s.spec)
for s in self.core_api.list_service_for_all_namespaces(
watch=False).items
]
def test_database_deployment():
with K8sBackend() as k8s_backend:
namespace = k8s_backend.create_namespace()
with DockerBackend() as backend:
postgres_image = backend.ImageClass("centos/postgresql-10-centos7")
postgres_image_metadata = postgres_image.get_metadata()
# set up env variables
db_env_variables = {"POSTGRESQL_USER": "******",
"POSTGRESQL_PASSWORD": "******",
"POSTGRESQL_DATABASE": "db"}
postgres_image_metadata.env_variables.update(db_env_variables)
db_labels = {"app": "postgres"}
db_service = Service(name="database", ports=["5432"], selector=db_labels,
namespace=namespace,
create_in_cluster=True)
db_deployment = Deployment(name="database", selector=db_labels, labels=db_labels,
image_metadata=postgres_image_metadata, namespace=namespace,
create_in_cluster=True)
try:
db_deployment.wait(200)
assert db_deployment.all_pods_ready()
finally:
db_deployment.delete()
db_service.delete()
k8s_backend.delete_namespace(namespace)
def test_list_services():
with K8sBackend() as k8s_backend:
namespace = k8s_backend.create_namespace()
labels = {"app": "postgres"}
service = Service(name="database", ports=["5432"], selector=labels, namespace=namespace,
create_in_cluster=True)
try:
assert any(service.name == s.name for s in k8s_backend.list_services())
finally:
service.delete()
k8s_backend.delete_namespace(namespace)
def list_services(self):
"""
List all available services.
:return: collection of instances of :class:`conu.backend.k8s.service.Service`
"""
return [Service(name=s.metadata.name,
ports=k8s_ports_to_metadata_ports(s.spec.ports),
namespace=s.metadata.namespace,
labels=s.metadata.labels, selector=s.spec.selector)
for s in self.core_api.list_service_for_all_namespaces(watch=False).items]