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CLI Flag --bind (#77)

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* CLI Flag for Bind Address

Signed-off-by: Bhargav Ravuri <bhargav.ravuri@infracloud.io>

* Update Documentation for --bind

Signed-off-by: Bhargav Ravuri <bhargav.ravuri@infracloud.io>

Signed-off-by: Bhargav Ravuri <bhargav.ravuri@infracloud.io>
This commit is contained in:
Bhargav Ravuri
2022-11-07 21:35:01 +05:30
committed by GitHub
parent 15ce9170f3
commit f29800ed5b
4 changed files with 63 additions and 39 deletions
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64
pkg/dashboard/server.go
View File

@@ -3,22 +3,31 @@ package dashboard
import (
"context"
"encoding/json"
"fmt"
"net/http"
"os"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/hashicorp/go-version"
"github.com/komodorio/helm-dashboard/pkg/dashboard/scanners"
"github.com/komodorio/helm-dashboard/pkg/dashboard/subproc"
"github.com/komodorio/helm-dashboard/pkg/dashboard/utils"
log "github.com/sirupsen/logrus"
"net/http"
"os"
"strconv"
"strings"
"time"
)
func StartServer(version string, port int, ns string, debug bool, noTracking bool) (string, utils.ControlChan) {
type Server struct {
Version string
Namespace string
Address string
Debug bool
NoTracking bool
}
func (s Server) StartServer() (string, utils.ControlChan) {
data := subproc.DataLayer{
Namespace: ns,
Namespace: s.Namespace,
}
err := data.CheckConnectivity()
if err != nil {
@@ -27,37 +36,33 @@ func StartServer(version string, port int, ns string, debug bool, noTracking boo
}
data.StatusInfo = &subproc.StatusInfo{
CurVer: version,
Analytics: !noTracking,
LimitedToNamespace: ns,
CurVer: s.Version,
Analytics: !s.NoTracking,
LimitedToNamespace: s.Namespace,
}
go checkUpgrade(data.StatusInfo)
discoverScanners(&data)
address := os.Getenv("HD_BIND")
if address == "" {
address = "localhost"
}
address += ":" + strconv.Itoa(port)
abort := make(utils.ControlChan)
api := NewRouter(abort, &data, debug)
done := startBackgroundServer(address, api, abort)
api := NewRouter(abort, &data, s.Debug)
done := s.startBackgroundServer(api, abort)
return "http://" + address, done
return "http://" + s.Address, done
}
func startBackgroundServer(addr string, routes *gin.Engine, abort utils.ControlChan) utils.ControlChan {
func (s Server) startBackgroundServer(routes *gin.Engine, abort utils.ControlChan) utils.ControlChan {
done := make(utils.ControlChan)
server := &http.Server{Addr: addr, Handler: routes}
server := &http.Server{
Addr: s.Address,
Handler: routes,
}
go func() {
err := server.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
log.Warnf("Looks like port is busy for %s, checking if it's us...", addr)
if itIsUs(addr) {
log.Warnf("Looks like port is busy for %s, checking if it's us...", s.Address)
if s.itIsUs() {
log.Infof("Yes, it's another instance of us. Just reuse it.")
} else {
panic(err)
@@ -77,11 +82,14 @@ func startBackgroundServer(addr string, routes *gin.Engine, abort utils.ControlC
return done
}
func itIsUs(addr string) bool {
var myClient = &http.Client{Timeout: 5 * time.Second}
r, err := myClient.Get("http://" + addr + "/status")
func (s Server) itIsUs() bool {
url := fmt.Sprintf("http://%s/status", s.Address)
var myClient = &http.Client{
Timeout: 5 * time.Second,
}
r, err := myClient.Get(url)
if err != nil {
log.Debugf("It's not us on %s: %s", addr, err)
log.Debugf("It's not us on %s: %s", s.Address, err)
return false
}
defer r.Body.Close()