youtubebeat/vendor/github.com/elastic/beats/metricbeat/module/vsphere/datastore/datastore.go

134 lines
3.2 KiB
Go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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 datastore
import (
"context"
"net/url"
"github.com/elastic/beats/libbeat/common"
"github.com/elastic/beats/libbeat/common/cfgwarn"
"github.com/elastic/beats/metricbeat/mb"
"github.com/vmware/govmomi"
"github.com/vmware/govmomi/view"
"github.com/vmware/govmomi/vim25/mo"
)
func init() {
mb.Registry.MustAddMetricSet("vsphere", "datastore", New,
mb.DefaultMetricSet(),
)
}
type MetricSet struct {
mb.BaseMetricSet
HostURL *url.URL
Insecure bool
}
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
cfgwarn.Beta("The vsphere datastore metricset is beta")
config := struct {
Username string `config:"username"`
Password string `config:"password"`
Insecure bool `config:"insecure"`
}{}
if err := base.Module().UnpackConfig(&config); err != nil {
return nil, err
}
u, err := url.Parse(base.HostData().URI)
if err != nil {
return nil, err
}
u.User = url.UserPassword(config.Username, config.Password)
return &MetricSet{
BaseMetricSet: base,
HostURL: u,
Insecure: config.Insecure,
}, nil
}
func (m *MetricSet) Fetch() ([]common.MapStr, error) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var events []common.MapStr
client, err := govmomi.NewClient(ctx, m.HostURL, m.Insecure)
if err != nil {
return nil, err
}
defer client.Logout(ctx)
c := client.Client
// Create a view of Datastore objects
mgr := view.NewManager(c)
v, err := mgr.CreateContainerView(ctx, c.ServiceContent.RootFolder, []string{"Datastore"}, true)
if err != nil {
return nil, err
}
defer v.Destroy(ctx)
// Retrieve summary property for all datastores
var dst []mo.Datastore
err = v.Retrieve(ctx, []string{"Datastore"}, []string{"summary"}, &dst)
if err != nil {
return nil, err
}
for _, ds := range dst {
var usedSpacePercent int64
if ds.Summary.Capacity > 0 {
usedSpacePercent = 100 * (ds.Summary.Capacity - ds.Summary.FreeSpace) / ds.Summary.Capacity
}
usedSpaceBytes := ds.Summary.Capacity - ds.Summary.FreeSpace
event := common.MapStr{
"name": ds.Summary.Name,
"fstype": ds.Summary.Type,
"capacity": common.MapStr{
"total": common.MapStr{
"bytes": ds.Summary.Capacity,
},
"free": common.MapStr{
"bytes": ds.Summary.FreeSpace,
},
"used": common.MapStr{
"bytes": usedSpaceBytes,
"pct": usedSpacePercent,
},
},
}
events = append(events, event)
}
return events, nil
}