| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package discover |
| 4 | |
| 5 | import ( |
| 6 | "time" |
| 7 | |
| 8 | rs "github.com/netdata/netdata/go/plugins/plugin/go.d/collector/vsphere/resources" |
| 9 | ) |
| 10 | |
| 11 | const maxHierarchyParentDepth = 64 |
| 12 | |
| 13 | func (d Discoverer) setHierarchy(res *rs.Resources) error { |
| 14 | d.Debug("discovering : hierarchy : start setting resources hierarchy process") |
| 15 | t := time.Now() |
| 16 | |
| 17 | c := d.setClustersHierarchy(res) |
| 18 | h := d.setHostsHierarchy(res) |
| 19 | v := d.setVMsHierarchy(res) |
| 20 | ds := d.setDatastoresHierarchy(res) |
| 21 | nw := d.setNetworksHierarchy(res) |
| 22 | sp := d.setStoragePodsHierarchy(res) |
| 23 | rp := d.setResourcePoolsHierarchy(res) |
| 24 | |
| 25 | d.Infof("discovering : hierarchy : set %d/%d clusters, %d/%d hosts, %d/%d vms, %d/%d datastores, %d/%d networks, %d/%d datastore clusters, %d/%d resource pools, process took %s", |
| 26 | c, len(res.Clusters), |
| 27 | h, len(res.Hosts), |
| 28 | v, len(res.VMs), |
| 29 | ds, len(res.Datastores), |
| 30 | nw, len(res.Networks), |
| 31 | sp, len(res.StoragePods), |
| 32 | rp, len(res.ResourcePools), |
| 33 | time.Since(t), |
| 34 | ) |
| 35 | |
| 36 | return nil |
| 37 | } |
| 38 | |
| 39 | func (d Discoverer) setClustersHierarchy(res *rs.Resources) (set int) { |
| 40 | for _, cluster := range res.Clusters { |
| 41 | if setClusterHierarchy(cluster, res) { |
| 42 | set++ |
| 43 | } |
| 44 | } |
| 45 | return set |
| 46 | } |
| 47 | |
| 48 | func (d Discoverer) setHostsHierarchy(res *rs.Resources) (set int) { |
| 49 | for _, host := range res.Hosts { |
| 50 | if setHostHierarchy(host, res) { |
| 51 | set++ |
| 52 | } |
| 53 | } |
| 54 | return set |
| 55 | } |
| 56 | |
| 57 | func (d Discoverer) setVMsHierarchy(res *rs.Resources) (set int) { |
| 58 | for _, vm := range res.VMs { |
| 59 | if setVMHierarchy(vm, res) { |
| 60 | set++ |
| 61 | } |
| 62 | } |
| 63 | return set |
| 64 | } |
| 65 | |
| 66 | func setClusterHierarchy(cluster *rs.Cluster, res *rs.Resources) bool { |
| 67 | dc := res.DataCenters.Get(cluster.ParentID) |
| 68 | if dc == nil { |
| 69 | return false |
| 70 | } |
| 71 | cluster.Hier.DC.Set(dc.ID, dc.Name) |
| 72 | return cluster.Hier.IsSet() |
| 73 | } |
| 74 | |
| 75 | func setHostHierarchy(host *rs.Host, res *rs.Resources) bool { |
| 76 | cr := res.Clusters.Get(host.ParentID) |
| 77 | if cr == nil { |
| 78 | return false |
| 79 | } |
| 80 | host.Hier.Cluster.Set(cr.ID, cr.Name) |
| 81 | |
| 82 | dc := res.DataCenters.Get(cr.ParentID) |
| 83 | if dc == nil { |
| 84 | return false |
| 85 | } |
| 86 | host.Hier.DC.Set(dc.ID, dc.Name) |
| 87 | return host.Hier.IsSet() |
| 88 | } |
| 89 | |
| 90 | func setVMHierarchy(vm *rs.VM, res *rs.Resources) bool { |
| 91 | if setVMHostHierarchy(vm, res) { |
| 92 | return true |
| 93 | } |
| 94 | return setVMFolderHierarchy(vm, res) |
| 95 | } |
| 96 | |
| 97 | func setVMHostHierarchy(vm *rs.VM, res *rs.Resources) bool { |
| 98 | h := res.Hosts.Get(vm.ParentID) |
| 99 | if h == nil { |
| 100 | return false |
| 101 | } |
| 102 | vm.Hier.Host.Set(h.ID, h.Name) |
| 103 | |
| 104 | cr := res.Clusters.Get(h.ParentID) |
| 105 | if cr == nil { |
| 106 | return false |
| 107 | } |
| 108 | vm.Hier.Cluster.Set(cr.ID, cr.Name) |
| 109 | |
| 110 | dc := res.DataCenters.Get(cr.ParentID) |
| 111 | if dc == nil { |
| 112 | return false |
| 113 | } |
| 114 | vm.Hier.DC.Set(dc.ID, dc.Name) |
| 115 | return vm.Hier.IsSet() |
| 116 | } |
| 117 | |
| 118 | func setVMFolderHierarchy(vm *rs.VM, res *rs.Resources) bool { |
| 119 | dcID := findVMDcID(vm.FolderParentID, res.Folders) |
| 120 | dc := res.DataCenters.Get(dcID) |
| 121 | if dc == nil { |
| 122 | return false |
| 123 | } |
| 124 | vm.Hier.DC.Set(dc.ID, dc.Name) |
| 125 | return vm.Hier.DC.IsSet() |
| 126 | } |
| 127 | |
| 128 | func findVMDcID(parentID string, folders rs.Folders) string { |
| 129 | return findFolderRootID(parentID, folders) |
| 130 | } |
| 131 | |
| 132 | func (d Discoverer) setDatastoresHierarchy(res *rs.Resources) (set int) { |
| 133 | for _, ds := range res.Datastores { |
| 134 | if setDatastoreHierarchy(ds, res) { |
| 135 | set++ |
| 136 | } |
| 137 | } |
| 138 | return set |
| 139 | } |
| 140 | |
| 141 | // Datastore parent is a folder (group-s*) which resolves to a datacenter. |
| 142 | func setDatastoreHierarchy(ds *rs.Datastore, res *rs.Resources) bool { |
| 143 | dcID := findDatastoreDcID(ds.ParentID, res.Folders) |
| 144 | dc := res.DataCenters.Get(dcID) |
| 145 | if dc == nil { |
| 146 | return false |
| 147 | } |
| 148 | ds.Hier.DC.Set(dc.ID, dc.Name) |
| 149 | return ds.Hier.IsSet() |
| 150 | } |
| 151 | |
| 152 | func findDatastoreDcID(parentID string, folders rs.Folders) string { |
| 153 | return findFolderRootID(parentID, folders) |
| 154 | } |
| 155 | |
| 156 | func (d Discoverer) setNetworksHierarchy(res *rs.Resources) (set int) { |
| 157 | for _, network := range res.Networks { |
| 158 | if setNetworkHierarchy(network, res) { |
| 159 | set++ |
| 160 | } |
| 161 | } |
| 162 | return set |
| 163 | } |
| 164 | |
| 165 | // Network parent is normally a network folder (group-n*) which resolves to a datacenter. |
| 166 | func setNetworkHierarchy(network *rs.Network, res *rs.Resources) bool { |
| 167 | dcID := findNetworkDcID(network.ParentID, res.Folders) |
| 168 | dc := res.DataCenters.Get(dcID) |
| 169 | if dc == nil { |
| 170 | return false |
| 171 | } |
| 172 | network.Hier.DC.Set(dc.ID, dc.Name) |
| 173 | return network.Hier.IsSet() |
| 174 | } |
| 175 | |
| 176 | func findNetworkDcID(parentID string, folders rs.Folders) string { |
| 177 | return findFolderRootID(parentID, folders) |
| 178 | } |
| 179 | |
| 180 | func findFolderRootID(parentID string, folders rs.Folders) string { |
| 181 | seen := make(map[string]struct{}) |
| 182 | for depth := 0; parentID != "" && depth < maxHierarchyParentDepth; depth++ { |
| 183 | if _, ok := seen[parentID]; ok { |
| 184 | return "" |
| 185 | } |
| 186 | seen[parentID] = struct{}{} |
| 187 | |
| 188 | f := folders.Get(parentID) |
| 189 | if f == nil { |
| 190 | return parentID |
| 191 | } |
| 192 | parentID = f.ParentID |
| 193 | } |
| 194 | return parentID |
| 195 | } |
| 196 | |
| 197 | func (d Discoverer) setStoragePodsHierarchy(res *rs.Resources) (set int) { |
| 198 | for _, pod := range res.StoragePods { |
| 199 | if setStoragePodHierarchy(pod, res) { |
| 200 | set++ |
| 201 | } |
| 202 | } |
| 203 | return set |
| 204 | } |
| 205 | |
| 206 | // StoragePod parent is a folder (group-s*) which resolves to a datacenter. |
| 207 | func setStoragePodHierarchy(pod *rs.StoragePod, res *rs.Resources) bool { |
| 208 | dcID := findDatastoreDcID(pod.ParentID, res.Folders) |
| 209 | dc := res.DataCenters.Get(dcID) |
| 210 | if dc == nil { |
| 211 | return false |
| 212 | } |
| 213 | pod.Hier.DC.Set(dc.ID, dc.Name) |
| 214 | return pod.Hier.IsSet() |
| 215 | } |
| 216 | |
| 217 | func (d Discoverer) setResourcePoolsHierarchy(res *rs.Resources) (set int) { |
| 218 | for _, rp := range res.ResourcePools { |
| 219 | if setResourcePoolHierarchy(rp, res) { |
| 220 | set++ |
| 221 | } |
| 222 | } |
| 223 | return set |
| 224 | } |
| 225 | |
| 226 | // Resource pool owner is a cluster. Resolve DC from the cluster. |
| 227 | func setResourcePoolHierarchy(rp *rs.ResourcePool, res *rs.Resources) bool { |
| 228 | cr := res.Clusters.Get(rp.ParentID) |
| 229 | if cr == nil { |
| 230 | return false |
| 231 | } |
| 232 | rp.Hier.Cluster.Set(cr.ID, cr.Name) |
| 233 | |
| 234 | dc := res.DataCenters.Get(cr.ParentID) |
| 235 | if dc == nil { |
| 236 | return false |
| 237 | } |
| 238 | rp.Hier.DC.Set(dc.ID, dc.Name) |
| 239 | return rp.Hier.IsSet() |
| 240 | } |