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.gitignore
vendored
1
.gitignore
vendored
@@ -1 +1,2 @@
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.DS_Store
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*.log
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4
go.mod
4
go.mod
@@ -1,9 +1,9 @@
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module statusServer
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module gitea.tecamino.com/paadi/statusServer
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go 1.24.0
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require (
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gitea.tecamino.com/paadi/pubSub v1.0.1
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gitea.tecamino.com/paadi/pubSub v1.0.2
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gitea.tecamino.com/paadi/tecamino-dbm v0.1.1
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gitea.tecamino.com/paadi/tecamino-json_data v0.1.0
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gitea.tecamino.com/paadi/tecamino-logger v0.2.1
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4
go.sum
4
go.sum
@@ -1,5 +1,5 @@
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gitea.tecamino.com/paadi/pubSub v1.0.1 h1:Of91JAVaiaqXhzFjm+jwSJipPbST+A1WQz1DEEhLQm4=
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gitea.tecamino.com/paadi/pubSub v1.0.1/go.mod h1:SBPTSD/JQWRbwqsSNoSPhV81IDTreP0TMyvLhmK3P2M=
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gitea.tecamino.com/paadi/pubSub v1.0.2 h1:9Q9KLTIHRSjxrTkDyuF8mDYOLkI8DjjPNSnoS2GKflY=
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gitea.tecamino.com/paadi/pubSub v1.0.2/go.mod h1:SBPTSD/JQWRbwqsSNoSPhV81IDTreP0TMyvLhmK3P2M=
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gitea.tecamino.com/paadi/tecamino-dbm v0.1.1 h1:vAq7mwUxlxJuLzCQSDMrZCwo8ky5usWi9Qz+UP+WnkI=
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gitea.tecamino.com/paadi/tecamino-dbm v0.1.1/go.mod h1:+tmf1rjPaKEoNeUcr1vdtoFIFweNG3aUGevDAl3NMBk=
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gitea.tecamino.com/paadi/tecamino-json_data v0.1.0 h1:zp3L8qUvkVqzuesQdMh/SgZZZbX3pGD9NYa6jtz+JvA=
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@@ -3,9 +3,10 @@ package handlers
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import (
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"encoding/json"
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"fmt"
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"statusServer/models"
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"sync"
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"gitea.tecamino.com/paadi/statusServer/models"
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json_dataModels "gitea.tecamino.com/paadi/tecamino-json_data/models"
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"github.com/gin-gonic/gin"
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@@ -57,8 +57,11 @@ var upgrader = websocket.Upgrader{
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EnableCompression: false,
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}
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func NewClient(ip, id string, port uint, logger *logging.Logger) (*Client, error) {
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u := url.URL{Scheme: "ws", Host: fmt.Sprintf("%s:%d", ip, port), Path: "status", RawQuery: "id=" + id}
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func NewClient(id, ip, endpoint string, port uint, logger *logging.Logger) (*Client, error) {
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if endpoint == "" {
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endpoint = "status"
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}
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u := url.URL{Scheme: "ws", Host: fmt.Sprintf("%s:%d", ip, port), Path: endpoint, RawQuery: "id=" + id}
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c := &Client{
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id: id,
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@@ -3,7 +3,8 @@ package statusServer
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import (
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"encoding/json"
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"fmt"
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"statusServer/models"
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"gitea.tecamino.com/paadi/statusServer/models"
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pubSubModels "gitea.tecamino.com/paadi/pubSub/models"
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logging "gitea.tecamino.com/paadi/tecamino-logger/logging"
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@@ -23,7 +24,7 @@ type StatusClient struct {
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// serviceName: unique ID/name for this client
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// ip, port: target server address
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// debug: enable debug logging
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func NewStatusClient(serviceName, ip string, port uint, debug bool) (*StatusClient, error) {
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func NewStatusClient(serviceName, ip, endpoint string, port uint, debug bool) (*StatusClient, error) {
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config := models.Config{Log: logging.Config{Debug: debug}}
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config.Default()
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@@ -42,7 +43,7 @@ func NewStatusClient(serviceName, ip string, port uint, debug bool) (*StatusClie
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}
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// connect underlying websocket client
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sc.client, err = models.NewClient(ip, serviceName, port, logger)
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sc.client, err = models.NewClient(serviceName, ip, endpoint, port, logger)
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if err != nil {
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return nil, err
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}
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@@ -1,15 +1,14 @@
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package statusServer
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import (
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"context"
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"fmt"
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"net/http"
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"runtime"
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"statusServer/utils"
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"strings"
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"time"
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"statusServer/models"
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"gitea.tecamino.com/paadi/statusServer/utils"
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"gitea.tecamino.com/paadi/statusServer/models"
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logging "gitea.tecamino.com/paadi/tecamino-logger/logging"
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"github.com/gin-contrib/cors"
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@@ -96,56 +95,12 @@ func NewStatusServer(config models.Config) (*StatusServer, error) {
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return s, nil
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}
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// ServeHttp starts the HTTP server and continuously publishes runtime metrics
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// (memory allocation + GC count) to the "info" topic.
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//
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// ServeHttp starts the HTTP server
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// It blocks until the HTTP server stops. Resources are cleaned up on shutdown:
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// PubSub is closed and a shutdown message is logged.
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func (s *StatusServer) ServeHttp() error {
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s.log.Debug("ServeHttp", "start publishing runtime metrics (memory + GC count)")
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// create cancellable context for metrics goroutine
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// metrics publisher goroutine
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go func() {
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for {
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var init bool
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var m runtime.MemStats
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var oldM uint64
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var oldGc uint32
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var info struct {
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Memory uint64 `json:"memory"`
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GC uint32 `json:"gc"`
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}
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ticker := time.NewTicker(500 * time.Millisecond)
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defer ticker.Stop()
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for {
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select {
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case <-ctx.Done():
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// stop publishing if context is canceled
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return
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case <-ticker.C:
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// read runtime memory statistics
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runtime.ReadMemStats(&m)
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info.GC = m.NumGC
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// publish only when values changed or first run
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if oldGc != m.NumGC || oldM != m.Alloc/1024 || !init {
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info.Memory = m.Alloc / 1024
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s.pubSub.Publish("info", info)
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oldGc = m.NumGC
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oldM = m.Alloc / 1024
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init = true
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}
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}
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}
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}
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}()
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// log startup
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s.log.Info("ServeHttp", fmt.Sprintf("start listening on %s:%d", s.Ip, s.Port))
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@@ -2,7 +2,8 @@ package statusServer
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import (
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"fmt"
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"statusServer/handlers"
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"gitea.tecamino.com/paadi/statusServer/handlers"
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logging "gitea.tecamino.com/paadi/tecamino-logger/logging"
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"github.com/gin-gonic/gin"
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@@ -1,11 +1,12 @@
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package test
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import (
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"statusServer"
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"statusServer/models"
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"testing"
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"time"
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"gitea.tecamino.com/paadi/statusServer"
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"gitea.tecamino.com/paadi/statusServer/models"
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"gitea.tecamino.com/paadi/tecamino-logger/logging"
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)
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@@ -34,11 +35,11 @@ func TestConnection(t *testing.T) {
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time.Sleep(time.Second)
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client1, err := statusServer.NewStatusClient("adrian", "127.0.0.1", 8080, true)
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client1, err := statusServer.NewStatusClient("adrian", "127.0.0.1", "", 8080, true)
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if err != nil {
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t.Fatal(err)
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}
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client, err := statusServer.NewStatusClient("test", "127.0.0.1", 8080, true)
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client, err := statusServer.NewStatusClient("test", "127.0.0.1", "", 8080, true)
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if err != nil {
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t.Fatal(err)
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}
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