add mem profiling and automaxprocs

controllers/server.go

@@ -48,6 +48,8 @@ func serverHandlers(r *mux.Router) {
 		Methods(http.MethodGet)
 	r.HandleFunc("/api/server/cpu_profile", logic.SecurityCheck(false, http.HandlerFunc(cpuProfile))).
 		Methods(http.MethodPost)
+	r.HandleFunc("/api/server/mem_profile", logic.SecurityCheck(false, http.HandlerFunc(memProfile))).
+		Methods(http.MethodPost)
 }
 
 func cpuProfile(w http.ResponseWriter, r *http.Request) {
@@ -62,6 +64,10 @@ func cpuProfile(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 }
+func memProfile(w http.ResponseWriter, r *http.Request) {
+	os.Remove("/root/data/mem.prof")
+	logic.StartMemProfiling()
+}
 
 func getUsage(w http.ResponseWriter, _ *http.Request) {
 	type usage struct {

go.mod

@@ -16,6 +16,7 @@ require (
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
 	github.com/stretchr/testify v1.9.0
 	github.com/txn2/txeh v1.5.5
+	go.uber.org/automaxprocs v1.6.0
 	golang.org/x/crypto v0.28.0
 	golang.org/x/net v0.27.0 // indirect
 	golang.org/x/oauth2 v0.23.0
@@ -51,6 +52,7 @@ require (
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/go-jose/go-jose/v3 v3.0.3 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/seancfoley/bintree v1.3.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect

go.sum

@@ -7,6 +7,7 @@ github.com/c-robinson/iplib v1.0.8/go.mod h1:i3LuuFL1hRT5gFpBRnEydzw8R6yhGkF4szN
 github.com/coreos/go-oidc/v3 v3.9.0 h1:0J/ogVOd4y8P0f0xUh8l9t07xRP/d8tccvjHl2dcsSo=
 github.com/coreos/go-oidc/v3 v3.9.0/go.mod h1:rTKz2PYwftcrtoCzV5g5kvfJoWcm0Mk8AF8y1iAQro4=
 github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -46,6 +47,10 @@ github.com/hashicorp/go-version v1.7.0 h1:5tqGy27NaOTB8yJKUZELlFAS/LTKJkrmONwQKe
 github.com/hashicorp/go-version v1.7.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
 github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
@@ -64,6 +69,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posthog/posthog-go v1.2.24 h1:A+iG4saBJemo++VDlcWovbYf8KFFNUfrCoJtsc40RPA=
 github.com/posthog/posthog-go v1.2.24/go.mod h1:uYC2l1Yktc8E+9FAHJ9QZG4vQf/NHJPD800Hsm7DzoM=
+github.com/prashantv/gostub v1.1.0 h1:BTyx3RfQjRHnUWaGF9oQos79AlQ5k8WNktv7VGvVH4g=
+github.com/prashantv/gostub v1.1.0/go.mod h1:A5zLQHz7ieHGG7is6LLXLz7I8+3LZzsrV0P1IAHhP5U=
 github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
@@ -87,6 +94,8 @@ github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8
 github.com/txn2/txeh v1.5.5 h1:UN4e/lCK5HGw/gGAi2GCVrNKg0GTCUWs7gs5riaZlz4=
 github.com/txn2/txeh v1.5.5/go.mod h1:qYzGG9kCzeVEI12geK4IlanHWY8X4uy/I3NcW7mk8g4=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+go.uber.org/automaxprocs v1.6.0 h1:O3y2/QNTOdbF+e/dpXNNW7Rx2hZ4sTIPyybbxyNqTUs=
+go.uber.org/automaxprocs v1.6.0/go.mod h1:ifeIMSnPZuznNm6jmdzmU3/bfk01Fe2fotchwEFJ8r8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
@@ -142,8 +151,9 @@ golang.zx2c4.com/wireguard/wgctrl v0.0.0-20221104135756-97bc4ad4a1cb h1:9aqVcYED
 golang.zx2c4.com/wireguard/wgctrl v0.0.0-20221104135756-97bc4ad4a1cb/go.mod h1:mQqgjkW8GQQcJQsbBvK890TKqUK1DfKWkuBGbOkuMHQ=
 gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
 gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/mail.v2 v2.3.1 h1:WYFn/oANrAGP2C0dcV6/pbkPzv8yGzqTjPmTeO7qoXk=
 gopkg.in/mail.v2 v2.3.1/go.mod h1:htwXN1Qh09vZJ1NVKxQqHPBaCBbzKhp5GzuJEA4VJWw=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

logic/proc.go

@@ -2,6 +2,7 @@ package logic
 
 import (
 	"os"
+	"runtime"
 	"runtime/pprof"
 
 	"github.com/gravitl/netmaker/logger"
@@ -22,3 +23,15 @@ func StopCPUProfiling(f *os.File) {
 	pprof.StopCPUProfile()
 	f.Close()
 }
+
+func StartMemProfiling() {
+	f, err := os.OpenFile("/root/data/mem.prof", os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0755)
+	if err != nil {
+		logger.Log(0, "could not create Memory profile: ", err.Error())
+	}
+	defer f.Close()
+	runtime.GC() // get up-to-date statistics
+	if err = pprof.WriteHeapProfile(f); err != nil {
+		logger.Log(0, "could not write memory profile: ", err.Error())
+	}
+}

main.go

@@ -24,6 +24,7 @@ import (
 	"github.com/gravitl/netmaker/netclient/ncutils"
 	"github.com/gravitl/netmaker/servercfg"
 	"github.com/gravitl/netmaker/serverctl"
+	_ "go.uber.org/automaxprocs"
 	"golang.org/x/exp/slog"
 )
 

main_ee.go

@@ -3,7 +3,10 @@
 
 package main
 
-import "github.com/gravitl/netmaker/pro"
+import (
+	"github.com/gravitl/netmaker/pro"
+	_ "go.uber.org/automaxprocs"
+)
 
 func init() {
 	pro.InitPro()