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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Managing policies in the Cluster service.
For a full guide see
https://docs.openstack.org/openstacksdk/latest/user/guides/clustering.html
"""
CLUSTER_NAME = "Test_Cluster"
CLUSTER_ID = "47d808e5-ce75-4a1e-bfd2-4ed4639e8640"
PROFILE_ID = "b0e3a680-e270-4eb8-9361-e5c9503fba0a"
NODE_ID = "dd803d4a-015d-4223-b15f-db29bad3146c"
POLICY_ID = "c0e3a680-e270-4eb8-9361-e5c9503fba00"
def list_cluster(conn):
print("List clusters:")
for cluster in conn.clustering.clusters():
print(cluster.to_dict())
for cluster in conn.clustering.clusters(sort='name:asc'):
print(cluster.to_dict())
def create_cluster(conn):
print("Create cluster:")
spec = {
"name": CLUSTER_NAME,
"profile_id": PROFILE_ID,
"min_size": 0,
"max_size": -1,
"desired_capacity": 1,
}
cluster = conn.clustering.create_cluster(**spec)
print(cluster.to_dict())
def get_cluster(conn):
print("Get cluster:")
cluster = conn.clustering.get_cluster(CLUSTER_ID)
print(cluster.to_dict())
def find_cluster(conn):
print("Find cluster:")
cluster = conn.clustering.find_cluster(CLUSTER_ID)
print(cluster.to_dict())
def update_cluster(conn):
print("Update cluster:")
spec = {
"name": "Test_Cluster001",
"profile_id": "c0e3a680-e270-4eb8-9361-e5c9503fba0a",
"profile_only": True,
}
cluster = conn.clustering.update_cluster(CLUSTER_ID, **spec)
print(cluster.to_dict())
def delete_cluster(conn):
print("Delete cluster:")
conn.clustering.delete_cluster(CLUSTER_ID)
print("Cluster deleted.")
# cluster support force delete
conn.clustering.delete_cluster(CLUSTER_ID, False, True)
print("Cluster deleted")
def add_nodes_to_cluster(conn):
print("Add nodes to cluster:")
node_ids = [NODE_ID]
res = conn.clustering.add_nodes_to_cluster(CLUSTER_ID, node_ids)
print(res)
def remove_nodes_from_cluster(conn):
print("Remove nodes from a cluster:")
node_ids = [NODE_ID]
res = conn.clustering.remove_nodes_from_cluster(CLUSTER_ID, node_ids)
print(res)
def replace_nodes_in_cluster(conn):
print("Replace the nodes in a cluster with specified nodes:")
old_node = NODE_ID
new_node = "cd803d4a-015d-4223-b15f-db29bad3146c"
spec = {old_node: new_node}
res = conn.clustering.replace_nodes_in_cluster(CLUSTER_ID, **spec)
print(res)
def scale_out_cluster(conn):
print("Inflate the size of a cluster:")
res = conn.clustering.scale_out_cluster(CLUSTER_ID, 1)
print(res)
def scale_in_cluster(conn):
print("Shrink the size of a cluster:")
res = conn.clustering.scale_in_cluster(CLUSTER_ID, 1)
print(res)
def resize_cluster(conn):
print("Resize of cluster:")
spec = {
'min_size': 1,
'max_size': 6,
'adjustment_type': 'EXACT_CAPACITY',
'number': 2,
}
res = conn.clustering.resize_cluster(CLUSTER_ID, **spec)
print(res)
def attach_policy_to_cluster(conn):
print("Attach policy to a cluster:")
spec = {'enabled': True}
res = conn.clustering.attach_policy_to_cluster(
CLUSTER_ID, POLICY_ID, **spec
)
print(res)
def detach_policy_from_cluster(conn):
print("Detach a policy from a cluster:")
res = conn.clustering.detach_policy_from_cluster(CLUSTER_ID, POLICY_ID)
print(res)
def check_cluster(conn):
print("Check cluster:")
res = conn.clustering.check_cluster(CLUSTER_ID)
print(res)
def recover_cluster(conn):
print("Recover cluster:")
spec = {'check': True}
res = conn.clustering.recover_cluster(CLUSTER_ID, **spec)
print(res)
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