forked from rook/rook
92 lines
2.4 KiB
Go
92 lines
2.4 KiB
Go
/*
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Copyright 2016 The Rook Authors. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package api
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import (
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"net/http"
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"github.com/rook/rook/pkg/cephmgr/mon"
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"github.com/rook/rook/pkg/cephmgr/osd"
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"github.com/rook/rook/pkg/clusterd"
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"github.com/rook/rook/pkg/clusterd/inventory"
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"github.com/rook/rook/pkg/model"
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)
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// Gets the nodes that are part of this cluster.
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// GET
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// /node
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func (h *Handler) GetNodes(w http.ResponseWriter, r *http.Request) {
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clusterInventory, err := inventory.LoadDiscoveredNodes(h.context.EtcdClient)
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if err != nil {
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logger.Errorf("failed to load discovered nodes: %+v", err)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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clusterName, err := mon.GetClusterName(h.context.EtcdClient)
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if err != nil {
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logger.Errorf("failed to get cluster name: %+v", err)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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nodes := make([]model.Node, len(clusterInventory.Nodes))
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i := 0
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for nodeID, n := range clusterInventory.Nodes {
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// look up all the disks that the current node has applied OSDs on
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appliedIDs, err := osd.GetAppliedOSDs(nodeID, h.context.EtcdClient)
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if err != nil {
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logger.Errorf("failed to get applied OSDs for node %s: %+v", nodeID, err)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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storage := uint64(0)
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for _, d := range n.Disks {
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for _, uuid := range appliedIDs {
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if d.UUID == uuid {
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// current disk is in applied OSD set, add its storage to the running total
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storage += d.Size
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}
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}
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}
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// determine the node's state/health
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_, isUnhealthy := clusterd.IsNodeUnhealthy(n)
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var state model.NodeState
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if isUnhealthy {
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state = model.Unhealthy
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} else {
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state = model.Healthy
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}
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nodes[i] = model.Node{
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NodeID: nodeID,
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ClusterName: clusterName,
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PublicIP: n.PublicIP,
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PrivateIP: n.PrivateIP,
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Storage: storage,
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LastUpdated: n.HeartbeatAge,
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State: state,
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Location: n.Location,
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}
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i++
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}
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FormatJsonResponse(w, nodes)
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}
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