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// SPDX-License-Identifier: GPL-3.0-or-later
package discover
import (
"fmt"
"strings"
"time"
"github.com/netdata/netdata/go/go.d.plugin/modules/vsphere/match"
rs "github.com/netdata/netdata/go/go.d.plugin/modules/vsphere/resources"
"github.com/netdata/netdata/go/go.d.plugin/logger"
"github.com/vmware/govmomi/vim25/mo"
"github.com/vmware/govmomi/vim25/types"
)
type Client interface {
Datacenters(pathSet ...string) ([]mo.Datacenter, error)
Folders(pathSet ...string) ([]mo.Folder, error)
ComputeResources(pathSet ...string) ([]mo.ComputeResource, error)
Hosts(pathSet ...string) ([]mo.HostSystem, error)
VirtualMachines(pathSet ...string) ([]mo.VirtualMachine, error)
CounterInfoByName() (map[string]*types.PerfCounterInfo, error)
}
func New(client Client) *Discoverer {
return &Discoverer{
Client: client,
}
}
type Discoverer struct {
*logger.Logger
Client
match.HostMatcher
match.VMMatcher
}
type resources struct {
dcs []mo.Datacenter
folders []mo.Folder
clusters []mo.ComputeResource
hosts []mo.HostSystem
vms []mo.VirtualMachine
}
func (d Discoverer) Discover() (*rs.Resources, error) {
startTime := time.Now()
raw, err := d.discover()
if err != nil {
return nil, fmt.Errorf("discovering resources : %v", err)
}
res := d.build(raw)
err = d.setHierarchy(res)
if err != nil {
// TODO: handle objects w/o hier?
d.Error(err)
}
numH := len(res.Hosts)
numV := len(res.VMs)
removed := d.removeUnmatched(res)
if removed == (numH + numV) {
return nil, fmt.Errorf("all resoursces were filtered (%d hosts, %d vms)", numH, numV)
}
err = d.collectMetricLists(res)
if err != nil {
return nil, fmt.Errorf("collecting metric lists : %v", err)
}
d.Infof("discovering : discovered %d/%d hosts, %d/%d vms, the whole process took %s",
len(res.Hosts),
len(raw.hosts),
len(res.VMs),
len(raw.vms),
time.Since(startTime))
return res, nil
}
var (
// properties to set
datacenterPathSet = []string{"name", "parent"}
folderPathSet = []string{"name", "parent"}
clusterPathSet = []string{"name", "parent"}
hostPathSet = []string{"name", "parent", "runtime.powerState", "summary.overallStatus"}
vmPathSet = []string{"name", "runtime.host", "runtime.powerState", "summary.overallStatus"}
)
func (d Discoverer) discover() (*resources, error) {
d.Debug("discovering : starting resource discovering process")
start := time.Now()
t := start
datacenters, err := d.Datacenters(datacenterPathSet...)
if err != nil {
return nil, err
}
d.Debugf("discovering : found %d dcs, process took %s", len(datacenters), time.Since(t))
t = time.Now()
folders, err := d.Folders(folderPathSet...)
if err != nil {
return nil, err
}
d.Debugf("discovering : found %d folders, process took %s", len(folders), time.Since(t))
t = time.Now()
clusters, err := d.ComputeResources(clusterPathSet...)
if err != nil {
return nil, err
}
d.Debugf("discovering : found %d clusters, process took %s", len(clusters), time.Since(t))
t = time.Now()
hosts, err := d.Hosts(hostPathSet...)
if err != nil {
return nil, err
}
d.Debugf("discovering : found %d hosts, process took %s", len(hosts), time.Since(t))
t = time.Now()
vms, err := d.VirtualMachines(vmPathSet...)
if err != nil {
return nil, err
}
d.Debugf("discovering : found %d vms, process took %s", len(hosts), time.Since(t))
raw := resources{
dcs: datacenters,
folders: folders,
clusters: clusters,
hosts: hosts,
vms: vms,
}
d.Infof("discovering : found %d dcs, %d folders, %d clusters (%d dummy), %d hosts, %d vms, process took %s",
len(raw.dcs),
len(raw.folders),
len(clusters),
numOfDummyClusters(clusters),
len(raw.hosts),
len(raw.vms),
time.Since(start),
)
return &raw, nil
}
func numOfDummyClusters(clusters []mo.ComputeResource) (num int) {
for _, c := range clusters {
// domain-s61 | domain-c52
if strings.HasPrefix(c.Reference().Value, "domain-s") {
num++
}
}
return num
}
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