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https://github.com/Oxalide/vsphere-influxdb-go.git
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InfluxDB and vSphere can be configured using environemt variables
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@ -36,6 +36,10 @@ $GOBIN/vsphere-influxdb-go
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# Configure
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You'll need a JSON file with all your vCenters/ESXi to connect to, the InfluxDB connection details(url, username/password, database to use), and the metrics to collect.
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Additionally you can provide a vCenter/ESXi server and InfluxDB connection details via environment variables, wich is extremly helpful when running inside a container.
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For InfluxDB set INFLUX\_HOSTNAME, INFLUX\_USERNAME, INFLUX\_PASSWORD and INFLUX\_DATABASE.
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For vSphere set VSPHERE\_HOSTNAME, VSPHERE\_USERNAME and VSPHERE\_PASSWORD and keep in mind, that currently only one vCenter/ESXi can be added via environment variable.
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If you set a domain, it will be automaticaly removed from the names of the found objects.
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@ -311,13 +311,13 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
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return
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}
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// Retrieve summary property for all datastores
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var dss []mo.Datastore
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err = pc.Retrieve(ctx, datastoreRefs, []string{"summary"}, &dss)
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if err != nil {
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log.Fatal(err)
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// Retrieve summary property for all datastores
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var dss []mo.Datastore
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err = pc.Retrieve(ctx, datastoreRefs, []string{"summary"}, &dss)
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if err != nil {
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log.Fatal(err)
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return
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}
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}
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// Initialize the map that will hold the VM MOR to ResourcePool reference
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vmToPool := make(map[types.ManagedObjectReference]string)
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@ -362,30 +362,30 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
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stdlog.Println("going inside clusters")
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}
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// Step 1 : Get ObjectContents and Host info for VM
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// The host is found under the runtime structure.
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// Step 1 : Get ObjectContents and Host info for VM
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// The host is found under the runtime structure.
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// Step 2 : Step 2: Get the ManagedObjectReference from the Host we just got.
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// Step 2 : Step 2: Get the ManagedObjectReference from the Host we just got.
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// Step 3 : Get a list all the clusters that vCenter knows about, and for each one, also get the host
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// Step 3 : Get a list all the clusters that vCenter knows about, and for each one, also get the host
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// Step 4 : Loop through all clusters that exist (which we got in step 3), and loop through each host
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// and see if that host matches the host we got in step 2 as the host of the vm.
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// If we find it, return it, otherwise we return null.
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// Step 4 : Loop through all clusters that exist (which we got in step 3), and loop through each host
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// and see if that host matches the host we got in step 2 as the host of the vm.
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// If we find it, return it, otherwise we return null.
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for _, vm := range vmmo {
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vmhost := vm.Summary.Runtime.Host
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for _, vm := range vmmo {
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vmhost := vm.Summary.Runtime.Host
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for _, cl := range clmo {
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for _, host := range cl.Host {
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hostToCluster[host] = cl.Name
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for _, cl := range clmo {
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for _, host := range cl.Host {
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hostToCluster[host] = cl.Name
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if *vmhost == host {
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vmToCluster[vm.Self] = cl.Name
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}
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}
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}
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}
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if *vmhost == host {
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vmToCluster[vm.Self] = cl.Name
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}
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}
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}
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}
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}
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@ -653,18 +653,18 @@ func (vcenter *VCenter) Query(config Configuration, InfluxDBClient influxclient.
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}
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for _, datastore := range dss {
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datastoreFields := map[string]interface{}{
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"capacity": datastore.Summary.Capacity,
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"free_space": datastore.Summary.FreeSpace,
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}
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datastoreTags := map[string]string{"ds_name": datastore.Summary.Name}
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pt4, err := influxclient.NewPoint("datastore", datastoreTags, datastoreFields, time.Now())
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if err != nil {
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errlog.Println(err)
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continue
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}
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bp.AddPoint(pt4)
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}
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datastoreFields := map[string]interface{}{
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"capacity": datastore.Summary.Capacity,
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"free_space": datastore.Summary.FreeSpace,
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}
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datastoreTags := map[string]string{"ds_name": datastore.Summary.Name}
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pt4, err := influxclient.NewPoint("datastore", datastoreTags, datastoreFields, time.Now())
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if err != nil {
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errlog.Println(err)
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continue
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}
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bp.AddPoint(pt4)
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}
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}
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@ -763,6 +763,31 @@ func main() {
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errlog.Fatalln(err)
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}
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// Support environemt variables / overrides for Influx Connection
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if ihostname := os.Getenv("INFLUX_HOSTNAME"); ihostname != "" {
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config.InfluxDB.Hostname = os.Getenv("INFLUX_HOSTNAME")
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config.InfluxDB.Username = os.Getenv("INFLUX_USERNAME")
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config.InfluxDB.Password = os.Getenv("INFLUX_PASSWORD")
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config.InfluxDB.Database = os.Getenv("INFLUX_DATABASE")
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}
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// Support environment variables for VSphere
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// Currently ony one server is supported and added to the list of vSphere servers
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if vhostname := os.Getenv("VSPHERE_HOSTNAME"); vhostname != "" {
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vc := VCenter{
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Hostname: os.Getenv("VSPHERE_HOSTNAME"),
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Username: os.Getenv("VSPHERE_USERNAME"),
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Password: os.Getenv("VSPHERE_PASSWORD"),
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}
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config.VCenters = append(config.VCenters, &vc)
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}
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// Print configuration in debug mode
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if debug == true {
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stdlog.Println("---Configuration - you should see the config here---")
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spew.Dump(config)
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}
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for _, vcenter := range config.VCenters {
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vcenter.Init(config)
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}
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