netmaker/ee/ee_controllers/metrics.go
2022-09-14 13:26:31 -04:00

103 lines
3.5 KiB
Go

package ee_controllers
import (
"encoding/json"
"net/http"
"github.com/gorilla/mux"
"github.com/gravitl/netmaker/logger"
"github.com/gravitl/netmaker/logic"
"github.com/gravitl/netmaker/models"
)
// MetricHandlers - How we handle EE Metrics
func MetricHandlers(r *mux.Router) {
r.HandleFunc("/api/metrics/{network}/{nodeid}", logic.SecurityCheck(true, http.HandlerFunc(getNodeMetrics))).Methods("GET")
r.HandleFunc("/api/metrics/{network}", logic.SecurityCheck(true, http.HandlerFunc(getNetworkNodesMetrics))).Methods("GET")
r.HandleFunc("/api/metrics", logic.SecurityCheck(true, http.HandlerFunc(getAllMetrics))).Methods("GET")
}
// get the metrics of a given node
func getNodeMetrics(w http.ResponseWriter, r *http.Request) {
// set header.
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
nodeID := params["nodeid"]
logger.Log(1, r.Header.Get("user"), "requested fetching metrics for node", nodeID, "on network", params["network"])
metrics, err := logic.GetMetrics(nodeID)
if err != nil {
logger.Log(1, r.Header.Get("user"), "failed to fetch metrics of node", nodeID, err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
logger.Log(1, r.Header.Get("user"), "fetched metrics for node", params["nodeid"])
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(metrics)
}
// get the metrics of all nodes in given network
func getNetworkNodesMetrics(w http.ResponseWriter, r *http.Request) {
// set header.
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
network := params["network"]
logger.Log(1, r.Header.Get("user"), "requested fetching network node metrics on network", network)
networkNodes, err := logic.GetNetworkNodes(network)
if err != nil {
logger.Log(1, r.Header.Get("user"), "failed to fetch metrics of all nodes in network", network, err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
networkMetrics := models.NetworkMetrics{}
networkMetrics.Nodes = make(models.MetricsMap)
for i := range networkNodes {
id := networkNodes[i].ID
metrics, err := logic.GetMetrics(id)
if err != nil {
logger.Log(1, r.Header.Get("user"), "failed to append metrics of node", id, "during network metrics fetch", err.Error())
continue
}
networkMetrics.Nodes[id] = *metrics
}
logger.Log(1, r.Header.Get("user"), "fetched metrics for network", network)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(networkMetrics)
}
// get Metrics of all nodes on server, lots of data
func getAllMetrics(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
logger.Log(1, r.Header.Get("user"), "requested fetching all metrics")
allNodes, err := logic.GetAllNodes()
if err != nil {
logger.Log(1, r.Header.Get("user"), "failed to fetch metrics of all nodes on server", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
networkMetrics := models.NetworkMetrics{}
networkMetrics.Nodes = make(models.MetricsMap)
for i := range allNodes {
id := allNodes[i].ID
metrics, err := logic.GetMetrics(id)
if err != nil {
logger.Log(1, r.Header.Get("user"), "failed to append metrics of node", id, "during all nodes metrics fetch", err.Error())
continue
}
networkMetrics.Nodes[id] = *metrics
}
logger.Log(1, r.Header.Get("user"), "fetched metrics for all nodes on server")
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(networkMetrics)
}