frodovdr/vsphere-influxdb-go
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This commit is contained in:
Hela Drira 2017-05-17 14:04:03 +02:00
commit 8b34784692
4 changed files with 92 additions and 76 deletions
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13
.gitignore vendored Normal file
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@ -0,0 +1,13 @@
### Basic ignore file
# Binaries for programs and plugins
vsphere-influxdb
# Test binary, build with `go test -c`
*.test
# Output of the go coverage tool, specifically when used with LiteIDE
*.out
# Configuration file
vsphere-influxdb.json

4
README.md
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@ -45,9 +45,9 @@ To see all available metrics, check out [this](http://www.virten.net/2015/05/vsp
Note: Not all metrics are available directly, you might need to change your metric collection level.
A table with the level needed for each metric is availble [here](http://www.virten.net/2015/05/which-performance-counters-are-available-in-each-statistic-level/), and you can find a PowerCLI script that changes the collect level [here](http://www.valcolabs.com/2012/02/06/modify-historical-statistics-level-using-powercli/)
An example of configuration file is [here](./vsphere-influxdb-go.json).
An example of configuration file is [here](./vsphere-influxdb.json.sample).
You need to place it at /etc/*binaryname*.json (/etc/vsphere-influxdb-go.json by default)
You need to place it at /etc/*binaryname*.json (/etc/vsphere-influxdb.json by default) or you can specify a different location using the config flag.
# Run as a service

149
vsphere-influxdb.go
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@ -47,7 +47,7 @@ const (
description = "send vsphere stats to influxdb"
)
// Configuration
// Configuration is used to store config data
type Configuration struct {
VCenters []*VCenter
Metrics []Metric
@ -56,7 +56,7 @@ type Configuration struct {
InfluxDB InfluxDB
}
// InfluxDB description
// InfluxDB is used for InfluxDB connections
type InfluxDB struct {
Hostname string
Username string
@ -64,7 +64,7 @@ type InfluxDB struct {
Database string
}
// VCenter description
// VCenter for VMware vCenter connections
type VCenter struct {
Hostname string
Username string
@ -72,30 +72,30 @@ type VCenter struct {
MetricGroups []*MetricGroup
}
// Metric Definition
// MetricDef metric definition
type MetricDef struct {
Metric string
Instances string
Key int32
}
// Metrics description in config
var vm_refs []types.ManagedObjectReference
var vmRefs []types.ManagedObjectReference
var debug bool
// Metric is used for metrics retrieval
type Metric struct {
ObjectType []string
Definition []MetricDef
}
// Metric Grouping for retrieval
// MetricGroup is used for grouping metrics retrieval
type MetricGroup struct {
ObjectType string
Metrics []MetricDef
Mor []types.ManagedObjectReference
}
// Informations to query about an entity
// EntityQuery are informations to query about an entity
type EntityQuery struct {
Name string
Entity types.ManagedObjectReference
@ -107,6 +107,7 @@ var dependencies = []string{}
var stdlog, errlog *log.Logger
// Connect to the actual vCenter connection used to query data
func (vcenter *VCenter) Connect() (*govmomi.Client, error) {
// Prepare vCenter Connections
ctx, cancel := context.WithCancel(context.Background())
@ -127,7 +128,7 @@ func (vcenter *VCenter) Connect() (*govmomi.Client, error) {
return client, nil
}
// Initialise vcenter
// Init the VCenter connection
func (vcenter *VCenter) Init(config Configuration) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
@ -245,36 +246,37 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
mors = append(mors, containerView.View...)
}
// Create MORS for each object type
vm_refs := []types.ManagedObjectReference{}
host_refs := []types.ManagedObjectReference{}
cluster_refs := []types.ManagedObjectReference{}
respool_refs := []types.ManagedObjectReference{}
new_mors := []types.ManagedObjectReference{}
vmRefs := []types.ManagedObjectReference{}
hostRefs := []types.ManagedObjectReference{}
clusterRefs := []types.ManagedObjectReference{}
respoolRefs := []types.ManagedObjectReference{}
newMors := []types.ManagedObjectReference{}
spew.Dump(mors)
// Assign each MORS type to a specific array
for _, mor := range mors {
if mor.Type == "VirtualMachine" {
vm_refs = append(vm_refs, mor)
new_mors = append(new_mors, mor)
vmRefs = append(vmRefs, mor)
newMors = append(newMors, mor)
} else if mor.Type == "HostSystem" {
host_refs = append(host_refs, mor)
new_mors = append(new_mors, mor)
hostRefs = append(hostRefs, mor)
newMors = append(newMors, mor)
} else if mor.Type == "ClusterComputeResource" {
cluster_refs = append(cluster_refs, mor)
clusterRefs = append(cluster_refs, mor)
} else if mor.Type == "ResourcePool" {
respool_refs = append(respool_refs, mor)
respoolRefs = append(respool_refs, mor)
}
}
// Copy the mors without the clusters
mors = new_mors
mors = newMors
pc := property.DefaultCollector(client.Client)
// Retrieve properties for all vms
var vmmo []mo.VirtualMachine
err = pc.Retrieve(ctx, vm_refs, []string{"summary"}, &vmmo)
err = pc.Retrieve(ctx, vmRefs, []string{"summary"}, &vmmo)
if err != nil {
fmt.Println(err)
return
@ -282,7 +284,7 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
// Retrieve properties for hosts
var hsmo []mo.HostSystem
err = pc.Retrieve(ctx, host_refs, []string{"summary"}, &hsmo)
err = pc.Retrieve(ctx, hostRefs, []string{"summary"}, &hsmo)
if err != nil {
fmt.Println(err)
return
@ -290,7 +292,7 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
//Retrieve properties for ResourcePool
var rpmo []mo.ResourcePool
err = pc.Retrieve(ctx, respool_refs, []string{"summary"}, &rpmo)
err = pc.Retrieve(ctx, respoolRefs, []string{"summary"}, &rpmo)
if err != nil {
fmt.Println(err)
return
@ -300,7 +302,7 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
vmToPool := make(map[types.ManagedObjectReference]string)
// Retrieve properties for ResourcePools
if len(respool_refs) > 0 {
if len(respoolRefs) > 0 {
if debug == true {
stdlog.Println("going inside ResourcePools")
}
@ -331,12 +333,12 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
vmToCluster := make(map[types.ManagedObjectReference]string)
// Retrieve properties for clusters, if any
if len(cluster_refs) > 0 {
if len(clusterRefs) > 0 {
if debug == true {
stdlog.Println("going inside clusters")
}
var clmo []mo.ClusterComputeResource
err = pc.Retrieve(ctx, cluster_refs, []string{"name", "configuration"}, &clmo)
err = pc.Retrieve(ctx, clusterRefs, []string{"name", "configuration"}, &clmo)
if err != nil {
fmt.Println(err)
return
@ -345,7 +347,7 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
if debug == true {
stdlog.Println("---cluster name - you should see every cluster here---")
stdlog.Println(cl.Name)
stdlog.Println("You should see the cluster object, clsuter configuration object, and cluster configuration dasvmconfig which should contain all VMs")
stdlog.Println("You should see the cluster object, cluster configuration object, and cluster configuration dasvmconfig which should contain all VMs")
spew.Dump(cl)
spew.Dump(cl.Configuration)
spew.Dump(cl.Configuration.DasVmConfig)
@ -369,35 +371,35 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
}
// Retrieve properties for the hosts
host_summary := make(map[types.ManagedObjectReference]map[string]string)
host_extra_metrics := make(map[types.ManagedObjectReference]map[string]int64)
hostSummary := make(map[types.ManagedObjectReference]map[string]string)
hostExtraMetrics := make(map[types.ManagedObjectReference]map[string]int64)
for _, host := range hsmo {
host_summary[host.Self] = make(map[string]string)
host_summary[host.Self]["name"] = host.Summary.Config.Name
host_extra_metrics[host.Self] = make(map[string]int64)
host_extra_metrics[host.Self]["cpu_corecount_total"] = int64(host.Summary.Hardware.NumCpuThreads)
hostSummary[host.Self] = make(map[string]string)
hostSummary[host.Self]["name"] = host.Summary.Config.Name
hostExtraMetrics[host.Self] = make(map[string]int64)
hostExtraMetrics[host.Self]["cpu_corecount_total"] = int64(host.Summary.Hardware.NumCpuThreads)
}
// Initialize the map that will hold all extra tags
vm_summary := make(map[types.ManagedObjectReference]map[string]string)
vmSummary := make(map[types.ManagedObjectReference]map[string]string)
// Assign extra details per VM in vm_summary
// Assign extra details per VM in vmSummary
for _, vm := range vmmo {
vm_summary[vm.Self] = make(map[string]string)
vmSummary[vm.Self] = make(map[string]string)
// Ugly way to extract datastore value
re, err := regexp.Compile(`\[(.*?)\]`)
if err != nil {
fmt.Println(err)
}
vm_summary[vm.Self]["datastore"] = strings.Replace(strings.Replace(re.FindString(fmt.Sprintln(vm.Summary.Config)), "[", "", -1), "]", "", -1)
vmSummary[vm.Self]["datastore"] = strings.Replace(strings.Replace(re.FindString(fmt.Sprintln(vm.Summary.Config)), "[", "", -1), "]", "", -1)
if vmToCluster[vm.Self] != "" {
vm_summary[vm.Self]["cluster"] = vmToCluster[vm.Self]
vmSummary[vm.Self]["cluster"] = vmToCluster[vm.Self]
}
if vmToPool[vm.Self] != "" {
vm_summary[vm.Self]["respool"] = vmToPool[vm.Self]
vmsummary[vm.Self]["respool"] = vmToPool[vm.Self]
}
vm_summary[vm.Self]["esx"] = host_summary[*vm.Summary.Runtime.Host]["name"]
vmsummary[vm.Self]["esx"] = host_summary[*vm.Summary.Runtime.Host]["name"]
}
// get object names
@ -446,9 +448,9 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
queries := []types.PerfQuerySpec{}
// Common parameters
intervalIdint := 20
var intervalId int32
intervalId = int32(intervalIdint)
intervalIDint := 20
var intervalID int32
intervalID = int32(intervalIDint)
endTime := time.Now().Add(time.Duration(-1) * time.Second)
startTime := endTime.Add(time.Duration(-config.Interval) * time.Second)
@ -463,7 +465,7 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
}
}
}
queries = append(queries, types.PerfQuerySpec{Entity: mor, StartTime: &startTime, EndTime: &endTime, MetricId: metricIds, IntervalId: intervalId})
queries = append(queries, types.PerfQuerySpec{Entity: mor, StartTime: &startTime, EndTime: &endTime, MetricId: metricIds, IntervalId: intervalID})
}
// Query the performances
@ -499,12 +501,12 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
tags := map[string]string{"host": vcName, "name": name}
// Add extra per VM tags
if summary, ok := vm_summary[pem.Entity]; ok {
if summary, ok := vmSummary[pem.Entity]; ok {
for key, tag := range summary {
tags[key] = tag
}
}
if summary, ok := host_summary[pem.Entity]; ok {
if summary, ok := hostSummary[pem.Entity]; ok {
for key, tag := range summary {
tags[key] = tag
}
@ -516,8 +518,8 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
}
}
special_fields := make(map[string]map[string]map[string]map[string]interface{})
special_tags := make(map[string]map[string]map[string]map[string]string)
specialFields := make(map[string]map[string]map[string]map[string]interface{})
specialTags := make(map[string]map[string]map[string]map[string]string)
nowTime := time.Now()
for _, baseserie := range pem.Value {
serie := baseserie.(*types.PerfMetricIntSeries)
@ -547,34 +549,34 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
fields[influxMetricName] = value
} else {
// init maps
if special_fields[measurementName] == nil {
special_fields[measurementName] = make(map[string]map[string]map[string]interface{})
special_tags[measurementName] = make(map[string]map[string]map[string]string)
if specialFields[measurementName] == nil {
specialFields[measurementName] = make(map[string]map[string]map[string]interface{})
specialTags[measurementName] = make(map[string]map[string]map[string]string)
}
if special_fields[measurementName][tags["name"]] == nil {
special_fields[measurementName][tags["name"]] = make(map[string]map[string]interface{})
special_tags[measurementName][tags["name"]] = make(map[string]map[string]string)
if specialFields[measurementName][tags["name"]] == nil {
specialFields[measurementName][tags["name"]] = make(map[string]map[string]interface{})
specialTags[measurementName][tags["name"]] = make(map[string]map[string]string)
}
if special_fields[measurementName][tags["name"]][instanceName] == nil {
special_fields[measurementName][tags["name"]][instanceName] = make(map[string]interface{})
special_tags[measurementName][tags["name"]][instanceName] = make(map[string]string)
if specialFields[measurementName][tags["name"]][instanceName] == nil {
specialFields[measurementName][tags["name"]][instanceName] = make(map[string]interface{})
specialTags[measurementName][tags["name"]][instanceName] = make(map[string]string)
}
special_fields[measurementName][tags["name"]][instanceName][influxMetricName] = value
specialFields[measurementName][tags["name"]][instanceName][influxMetricName] = value
for k, v := range tags {
special_tags[measurementName][tags["name"]][instanceName][k] = v
specialTags[measurementName][tags["name"]][instanceName][k] = v
}
special_tags[measurementName][tags["name"]][instanceName]["instance"] = instanceName
specialTags[measurementName][tags["name"]][instanceName]["instance"] = instanceName
}
}
if metrics, ok := host_extra_metrics[pem.Entity]; ok {
if metrics, ok := hostExtraMetrics[pem.Entity]; ok {
for key, value := range metrics {
fields[key] = value
}
@ -587,10 +589,10 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
}
bp.AddPoint(pt)
for measurement, v := range special_fields {
for measurement, v := range specialFields {
for name, metric := range v {
for instance, value := range metric {
pt2, err := influxclient.NewPoint(measurement, special_tags[measurement][name][instance], value, time.Now())
pt2, err := influxclient.NewPoint(measurement, specialTags[measurement][name][instance], value, time.Now())
if err != nil {
errlog.Println(err)
}
@ -662,7 +664,7 @@ func max(n ...int64) int64 {
}
func sum(n ...int64) int64 {
var total int64 = 0
var total int64
for _, i := range n {
if i > 0 {
total += i
@ -672,12 +674,12 @@ func sum(n ...int64) int64 {
}
func average(n ...int64) int64 {
var total int64 = 0
var count int64 = 0
var total int64
var count int64
for _, i := range n {
if i >= 0 {
count += 1
total += i
count++
total++
}
}
favg := float64(total) / float64(count)
@ -693,6 +695,7 @@ func queryVCenter(vcenter VCenter, config Configuration, InfluxDBClient influxcl
func main() {
flag.BoolVar(&debug, "debug", true, "Debug mode")
var cfgFile = flag.String("config", "/etc/"+path.Base(os.Args[0])+".json", "Config file to use. Default is /etc/"+path.Base(os.Args[0])+".json")
flag.Parse()
stdlog = log.New(os.Stdout, "", log.Ldate|log.Ltime)
@ -700,16 +703,16 @@ func main() {
stdlog.Println("Starting :", path.Base(os.Args[0]))
// read the configuration
file, err := os.Open(path.Base(os.Args[0]) + ".json")
file, err := os.Open(*cfgFile)
if err != nil {
errlog.Println("Could not open configuration file")
errlog.Println("Could not open configuration file " + *cfgFile)
errlog.Println(err)
}
jsondec := json.NewDecoder(file)
config := Configuration{}
err = jsondec.Decode(&config)
if err != nil {
errlog.Println("Could not decode configuration file")
errlog.Println("Could not decode configuration file " + *cfgFile)
errlog.Println(err)
}
@ -725,7 +728,7 @@ func main() {
errlog.Println("Could not connect to InfluxDB")
errlog.Println(err)
} else {
stdlog.Println("Successfully connected to Influx\n")
stdlog.Println("Successfully connected to Influx")
}
for _, vcenter := range config.VCenters {
queryVCenter(*vcenter, config, InfluxDBClient)

0
vsphere-influxdb-go.json → vsphere-influxdb.json.sample
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