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// SPDX-License-Identifier: GPL-3.0-or-later
package client
import (
"context"
"net/http"
"net/url"
"time"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/tlscfg"
"github.com/vmware/govmomi"
"github.com/vmware/govmomi/performance"
"github.com/vmware/govmomi/session"
"github.com/vmware/govmomi/view"
"github.com/vmware/govmomi/vim25"
"github.com/vmware/govmomi/vim25/mo"
"github.com/vmware/govmomi/vim25/soap"
"github.com/vmware/govmomi/vim25/types"
)
const (
datacenter = "Datacenter"
folder = "Folder"
computeResource = "ComputeResource"
hostSystem = "HostSystem"
virtualMachine = "VirtualMachine"
maxIdleConnections = 32
)
type Config struct {
URL string
User string
Password string
tlscfg.TLSConfig
Timeout time.Duration
}
type Client struct {
client *govmomi.Client
root *view.ContainerView
perf *performance.Manager
}
func newSoapClient(config Config) (*soap.Client, error) {
soapURL, err := soap.ParseURL(config.URL)
if err != nil || soapURL == nil {
return nil, err
}
soapURL.User = url.UserPassword(config.User, config.Password)
soapClient := soap.NewClient(soapURL, config.TLSConfig.InsecureSkipVerify)
tlsConfig, err := tlscfg.NewTLSConfig(config.TLSConfig)
if err != nil {
return nil, err
}
if tlsConfig != nil && len(tlsConfig.Certificates) > 0 {
soapClient.SetCertificate(tlsConfig.Certificates[0])
}
if config.TLSConfig.TLSCA != "" {
if err := soapClient.SetRootCAs(config.TLSConfig.TLSCA); err != nil {
return nil, err
}
}
if t, ok := soapClient.Transport.(*http.Transport); ok {
t.MaxIdleConnsPerHost = maxIdleConnections
t.TLSHandshakeTimeout = config.Timeout
}
soapClient.Timeout = config.Timeout
return soapClient, nil
}
func newContainerView(ctx context.Context, client *govmomi.Client) (*view.ContainerView, error) {
viewManager := view.NewManager(client.Client)
return viewManager.CreateContainerView(ctx, client.ServiceContent.RootFolder, []string{}, true)
}
func newPerformanceManager(client *vim25.Client) *performance.Manager {
perfManager := performance.NewManager(client)
perfManager.Sort = true
return perfManager
}
func New(config Config) (*Client, error) {
ctx := context.Background()
soapClient, err := newSoapClient(config)
if err != nil {
return nil, err
}
vimClient, err := vim25.NewClient(ctx, soapClient)
if err != nil {
return nil, err
}
vmomiClient := &govmomi.Client{
Client: vimClient,
SessionManager: session.NewManager(vimClient),
}
userInfo := url.UserPassword(config.User, config.Password)
addKeepAlive(vmomiClient, userInfo)
err = vmomiClient.Login(ctx, userInfo)
if err != nil {
return nil, err
}
containerView, err := newContainerView(ctx, vmomiClient)
if err != nil {
return nil, err
}
perfManager := newPerformanceManager(vimClient)
client := &Client{
client: vmomiClient,
perf: perfManager,
root: containerView,
}
return client, nil
}
func (c *Client) IsSessionActive() (bool, error) {
return c.client.SessionManager.SessionIsActive(context.Background())
}
func (c *Client) Version() string {
return c.client.ServiceContent.About.Version
}
func (c *Client) Login(userinfo *url.Userinfo) error {
return c.client.Login(context.Background(), userinfo)
}
func (c *Client) Logout() error {
return c.client.Logout(context.Background())
}
func (c *Client) PerformanceMetrics(pqs []types.PerfQuerySpec) ([]performance.EntityMetric, error) {
metrics, err := c.perf.Query(context.Background(), pqs)
if err != nil {
return nil, err
}
return c.perf.ToMetricSeries(context.Background(), metrics)
}
func (c *Client) Datacenters(pathSet ...string) (dcs []mo.Datacenter, err error) {
err = c.root.Retrieve(context.Background(), []string{datacenter}, pathSet, &dcs)
return
}
func (c *Client) Folders(pathSet ...string) (folders []mo.Folder, err error) {
err = c.root.Retrieve(context.Background(), []string{folder}, pathSet, &folders)
return
}
func (c *Client) ComputeResources(pathSet ...string) (computes []mo.ComputeResource, err error) {
err = c.root.Retrieve(context.Background(), []string{computeResource}, pathSet, &computes)
return
}
func (c *Client) Hosts(pathSet ...string) (hosts []mo.HostSystem, err error) {
err = c.root.Retrieve(context.Background(), []string{hostSystem}, pathSet, &hosts)
return
}
func (c *Client) VirtualMachines(pathSet ...string) (vms []mo.VirtualMachine, err error) {
err = c.root.Retrieve(context.Background(), []string{virtualMachine}, pathSet, &vms)
return
}
func (c *Client) CounterInfoByName() (map[string]*types.PerfCounterInfo, error) {
return c.perf.CounterInfoByName(context.Background())
}
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