func handle_UnManagedNode(hostname string, ctxt string) error {
sessionCopy := db.GetDatastore().Copy()
defer sessionCopy.Close()
coll := sessionCopy.DB(conf.SystemConfig.DBConfig.Database).C(models.COLL_NAME_STORAGE_NODES)
var node models.Node
err := coll.Find(bson.M{"hostname": hostname}).One(&node)
if err == mgo.ErrNotFound {
node.Hostname = hostname
node.State = models.NODE_STATE_UNACCEPTED
if node.Fingerprint, err = skyring.GetCoreNodeManager().GetFingerPrint(node.Hostname, ctxt); err != nil {
logger.Get().Error(fmt.Sprintf("%s-Faild to retrive fingerprint from : %s", ctxt, node.Hostname))
return err
}
if err := coll.Insert(node); err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error adding Unmanaged node : %s. error: %v", ctxt, node.Hostname, err))
return err
}
return nil
}
return errors.New(fmt.Sprintf("Node with hostname: %v already exists", hostname))
}
func updateStorageNodeToDB(storage_node models.Node, ctxt string) error {
// Add the node details to the DB
sessionCopy := db.GetDatastore().Copy()
defer sessionCopy.Close()
coll := sessionCopy.DB(conf.SystemConfig.DBConfig.Database).C(models.COLL_NAME_STORAGE_NODES)
var node models.Node
err := coll.Find(bson.M{"nodeid": storage_node.NodeId}).One(&node)
if err == mgo.ErrNotFound {
storage_node.State = models.NODE_STATE_ACTIVE
if err := coll.Update(bson.M{"hostname": storage_node.Hostname}, storage_node); err != nil {
logger.Get().Critical("%s-Error Updating the node: %s. error: %v", ctxt, storage_node.Hostname, err)
return err
}
return nil
} else {
logger.Get().Critical(fmt.Sprintf("%s-Node with id: %v already exists", ctxt, storage_node.NodeId))
return errors.New(fmt.Sprintf("Node with id: %v already exists", storage_node.NodeId))
}
}
func SyncNodeUtilization(ctxt string, node models.Node, time_stamp_str string) {
var disk_writes float64
var disk_reads float64
var interface_rx float64
var interface_tx float64
table_name := fmt.Sprintf("%s.%s.", conf.SystemConfig.TimeSeriesDBConfig.CollectionName, strings.Replace(node.Hostname, ".", "_", -1))
if node.Utilizations == nil {
node.Utilizations = make(map[string]models.Utilization)
}
/*
Node wise storage utilization
*/
storage_utilization(ctxt, &node, time_stamp_str, table_name)
/*
Get memory statistics
*/
memory_utilization(ctxt, &node, time_stamp_str)
/*
Get cpu user utilization
*/
cpu_utilization(ctxt, &node, time_stamp_str)
/*
Get swap used
*/
swap_utilization(ctxt, &node, time_stamp_str)
//Network used
network_utilization(ctxt, &node, time_stamp_str)
if err := update_utilizations(node.NodeId, node.Utilizations); err != nil {
logger.Get().Warning("%s - Failed to update utilizations of node %v to db.Error %v", ctxt, node.Hostname, err)
}
// Aggregate disk read
disk_reads_count := 1
resourcePrefix := monitoring.AGGREGATION + monitoring.DISK
resource_name, resourceNameError := GetMonitoringManager().GetResourceName(map[string]interface{}{"resource_name": resourcePrefix + monitoring.READ})
if resourceNameError != nil {
logger.Get().Warning("%s - Failed to fetch resource name of %v for %v .Err %v", ctxt, resource_name, node.Hostname, resourceNameError)
} else {
disk_reads = FetchAggregatedStatsFromGraphite(ctxt, node.Hostname, resource_name, &disk_reads_count, []string{})
}
// Aggregate disk write
disk_writes_count := 1
resource_name, resourceNameError = GetMonitoringManager().GetResourceName(map[string]interface{}{"resource_name": resourcePrefix + monitoring.WRITE})
if resourceNameError != nil {
logger.Get().Warning("%s - Failed to fetch resource name of %v for %v.Err %v", ctxt, resource_name, node.Hostname, resourceNameError)
} else {
disk_writes = FetchAggregatedStatsFromGraphite(ctxt, node.Hostname, resource_name, &disk_writes_count, []string{})
}
if disk_writes_count != 0 && disk_reads_count != 0 {
UpdateMetricToTimeSeriesDb(ctxt, math.Floor(disk_reads+disk_writes+0.5), time_stamp_str, fmt.Sprintf("%s%s-%s_%s", table_name, monitoring.DISK, monitoring.READ, monitoring.WRITE))
}
// Aggregate interface rx
interface_rx_count := 1
resourcePrefix = monitoring.AGGREGATION + monitoring.INTERFACE + monitoring.OCTETS
resource_name, resourceNameError = GetMonitoringManager().GetResourceName(map[string]interface{}{"resource_name": resourcePrefix + monitoring.RX})
if resourceNameError != nil {
logger.Get().Warning("%s - Failed to fetch resource name of %v for %v.Err %v", ctxt, resourcePrefix+monitoring.RX, node.Hostname, resourceNameError)
} else {
interface_rx = FetchAggregatedStatsFromGraphite(ctxt, node.Hostname, resource_name, &interface_rx_count, []string{monitoring.LOOP_BACK_INTERFACE})
}
// Aggregate interface tx
interface_tx_count := 1
resource_name, resourceNameError = GetMonitoringManager().GetResourceName(map[string]interface{}{"resource_name": resourcePrefix + monitoring.TX})
if resourceNameError != nil {
logger.Get().Warning("%s - Failed to fetch resource name of %v for %v.Err %v", ctxt, resource_name, node.Hostname, resourceNameError)
} else {
interface_tx = FetchAggregatedStatsFromGraphite(ctxt, node.Hostname, resource_name, &interface_tx_count, []string{monitoring.LOOP_BACK_INTERFACE})
}
if interface_rx_count != 0 && interface_tx_count != 0 {
UpdateMetricToTimeSeriesDb(ctxt, interface_rx+interface_tx, time_stamp_str, fmt.Sprintf("%s%s-%s_%s", table_name, monitoring.INTERFACE, monitoring.RX, monitoring.TX))
}
}
func GetStorageNodeInstance(hostname string, sProfiles []models.StorageProfile, ctxt string) (*models.Node, bool) {
var storage_node models.Node
storage_node.Hostname = hostname
storage_node.Enabled = true
storage_node.NodeId, _ = salt_backend.GetNodeID(hostname, ctxt)
networkInfo, err := salt_backend.GetNodeNetwork(hostname, ctxt)
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error getting network details for node: %s. error: %v", ctxt, hostname, err))
return nil, false
}
storage_node.NetworkInfo = networkInfo
addrs, err := net.LookupHost(hostname)
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error looking up node IP for: %s. error: %v", ctxt, hostname, err))
return nil, false
}
storage_node.ManagementIP4 = addrs[0]
ok, err := salt_backend.NodeUp(hostname, ctxt)
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error getting status of node: %s. error: %v", ctxt, hostname, err))
return nil, false
}
if ok {
storage_node.Status = models.NODE_STATUS_OK
} else {
storage_node.Status = models.NODE_STATUS_ERROR
}
disks, err := salt_backend.GetNodeDisk(hostname, ctxt)
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error getting disk details for node: %s. error: %v", ctxt, hostname, err))
return nil, false
}
for _, disk := range disks {
dId, err := uuid.New()
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Unable to generate uuid for disk : %s. error: %v", ctxt, disk.DevName, err))
return nil, false
}
disk.DiskId = *dId
applyStorageProfile(&disk, sProfiles)
storage_node.StorageDisks = append(storage_node.StorageDisks, disk)
}
cpus, err := salt_backend.GetNodeCpu(hostname, ctxt)
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error getting cpu details for node: %s. error: %v", ctxt, hostname, err))
return nil, false
}
for _, cpu := range cpus {
storage_node.CPUs = append(storage_node.CPUs, cpu)
}
osInfo, err := salt_backend.GetNodeOs(hostname, ctxt)
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error getting os details for node: %s", ctxt, hostname))
return nil, false
}
storage_node.OS = osInfo
memoryInfo, err := salt_backend.GetNodeMemory(hostname, ctxt)
if err != nil {
logger.Get().Error(fmt.Sprintf("%s-Error getting memory details for node: %s", ctxt, hostname))
return nil, false
}
storage_node.Memory = memoryInfo
if !storage_node.NodeId.IsZero() && len(storage_node.NetworkInfo.Subnet) != 0 && len(storage_node.StorageDisks) != 0 {
return &storage_node, true
} else {
return nil, false
}
}
