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topology.go
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topology.go
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//
// Copyright (c) 2015 The heketi Authors
//
// 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.
//
package client
import (
"github.com/heketi/heketi/pkg/glusterfs/api"
)
func (c *Client) TopologyInfo() (*api.TopologyInfoResponse, error) {
topo := &api.TopologyInfoResponse{
ClusterList: make([]api.Cluster, 0),
}
clusterlist, err := c.ClusterList()
if err != nil {
return nil, err
}
for _, cluster := range clusterlist.Clusters {
clusteri, err := c.ClusterInfo(cluster)
if err != nil {
return nil, err
}
cluster := api.Cluster{
Id: clusteri.Id,
Volumes: make([]api.VolumeInfoResponse, 0),
Nodes: make([]api.NodeInfoResponse, 0),
}
cluster.Id = clusteri.Id
// Iterate over the volume list in the cluster
for _, volumes := range clusteri.Volumes {
volumesi, err := c.VolumeInfo(volumes)
if err != nil {
return nil, err
}
if volumesi.Cluster == cluster.Id {
cluster.Volumes = append(cluster.Volumes, *volumesi)
}
}
// Iterate over the nodes in the cluster
for _, node := range clusteri.Nodes {
nodei, err := c.NodeInfo(string(node))
if err != nil {
return nil, err
}
cluster.Nodes = append(cluster.Nodes, *nodei)
}
topo.ClusterList = append(topo.ClusterList, cluster)
}
return topo, nil
}