Page de statut + enrôlement sur l'agent #22
|
@ -38,6 +38,7 @@ func (a *Agent) Run(ctx context.Context) error {
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client := client.New(a.serverURL, client.WithToken(token))
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ctx = withClient(ctx, client)
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ctx = withThumbprint(ctx, a.thumbprint)
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tick := func() {
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logger.Debug(ctx, "registering agent")
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|
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@ -11,6 +11,7 @@ type contextKey string
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const (
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contextKeyClient contextKey = "client"
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contextKeyThumbprint contextKey = "thumbprint"
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)
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func withClient(ctx context.Context, client *client.Client) context.Context {
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@ -25,3 +26,16 @@ func Client(ctx context.Context) *client.Client {
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return client
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}
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func withThumbprint(ctx context.Context, thumbprint string) context.Context {
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return context.WithValue(ctx, contextKeyThumbprint, thumbprint)
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}
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func Thumbprint(ctx context.Context) string {
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thumbprint, ok := ctx.Value(contextKeyThumbprint).(string)
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if !ok {
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panic(errors.New("could not retrieve thumbprint from context"))
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}
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return thumbprint
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}
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@ -0,0 +1,138 @@
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package status
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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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"sync/atomic"
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"forge.cadoles.com/Cadoles/emissary/internal/agent"
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"forge.cadoles.com/Cadoles/emissary/internal/datastore"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/api"
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"gitlab.com/wpetit/goweb/logger"
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)
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type Status struct {
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Agent *datastore.Agent
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Connected bool
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Claimed bool
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Thumbprint string
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ServerURL string
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ClaimURL string
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AgentURL string
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AgentVersion string
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}
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type Controller struct {
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status *atomic.Value
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server *atomic.Value
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addr string
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claimURL string
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agentURL string
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agentVersion string
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}
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// Name implements node.Controller.
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func (c *Controller) Name() string {
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return "status-controller"
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}
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// Reconcile implements node.Controller.
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func (c *Controller) Reconcile(ctx context.Context, state *agent.State) error {
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cl := agent.Client(ctx)
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thumbprint := agent.Thumbprint(ctx)
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connected := true
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agent, err := cl.GetAgent(ctx, state.AgentID())
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if err != nil {
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logger.Error(ctx, "could not get agent", logger.E(errors.WithStack(err)))
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var apiErr *api.Error
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if errors.As(err, &apiErr) {
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switch apiErr.Code {
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case api.ErrCodeForbidden:
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// Contact is ok but agent may be not claimed yet
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default:
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connected = false
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}
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} else {
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connected = false
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}
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}
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claimed := agent != nil && agent.TenantID != nil
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var agentID datastore.AgentID
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if agent != nil {
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agentID = agent.ID
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}
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c.status.Store(Status{
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Agent: agent,
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Connected: connected,
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Claimed: claimed,
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Thumbprint: thumbprint,
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ServerURL: cl.ServerURL(),
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ClaimURL: fmt.Sprintf(c.claimURL, thumbprint),
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AgentURL: fmt.Sprintf(c.agentURL, agentID),
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AgentVersion: c.agentVersion,
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})
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if err := c.startServer(ctx); err != nil {
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return errors.WithStack(err)
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}
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return nil
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}
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func (c *Controller) startServer(ctx context.Context) error {
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server := c.getServer()
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if server != nil {
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return nil
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}
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server = &http.Server{
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Addr: c.addr,
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Handler: &Handler{
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status: c.status,
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},
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}
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go func() {
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defer c.setServer(nil)
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if err := server.ListenAndServe(); err != nil {
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logger.Error(ctx, "could not start server", logger.E(errors.WithStack(err)))
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}
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}()
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c.setServer(server)
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return nil
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}
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func (c *Controller) setServer(s *http.Server) {
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c.server.Store(s)
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}
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func (c *Controller) getServer() *http.Server {
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server, ok := c.server.Load().(*http.Server)
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if !ok {
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return nil
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}
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return server
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}
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func NewController(addr string, claimURL string, agentURL string, agentVersion string) *Controller {
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return &Controller{
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addr: addr,
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claimURL: claimURL,
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agentURL: agentURL,
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agentVersion: agentVersion,
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status: &atomic.Value{},
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server: &atomic.Value{},
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}
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}
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var _ agent.Controller = &Controller{}
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@ -0,0 +1,74 @@
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package status
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import (
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"embed"
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"html/template"
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"io/fs"
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"net/http"
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"sync"
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"sync/atomic"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/logger"
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)
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//go:embed templates/*.gotpl
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var templates embed.FS
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//go:embed public/*
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var public embed.FS
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type Handler struct {
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status *atomic.Value
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public http.Handler
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templates *template.Template
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init sync.Once
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initErr error
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}
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// ServeHTTP implements http.Handler.
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func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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h.init.Do(func() {
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root, err := fs.Sub(public, "public")
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if err != nil {
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h.initErr = errors.WithStack(err)
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return
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}
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h.public = http.FileServer(http.FS(root))
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tmpl, err := template.ParseFS(templates, "templates/*.gotpl")
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if err != nil {
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h.initErr = errors.WithStack(err)
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return
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}
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h.templates = tmpl
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})
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if h.initErr != nil {
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logger.Error(r.Context(), "could not initialize handler", logger.E(h.initErr))
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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return
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}
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switch r.URL.Path {
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case "/":
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h.serveIndex(w, r)
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default:
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h.public.ServeHTTP(w, r)
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}
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}
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func (h *Handler) serveIndex(w http.ResponseWriter, r *http.Request) {
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data := h.status.Load()
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if err := h.templates.ExecuteTemplate(w, "index.html.gotpl", data); err != nil {
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logger.Error(r.Context(), "could not render template", logger.E(errors.WithStack(err)))
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return
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}
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}
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var _ http.Handler = &Handler{}
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@ -0,0 +1,145 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="icon" type="image/x-icon" href="logo.png">
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<title>Status | Emissary Agent</title>
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<link rel="stylesheet" href="bulma-0.9.4.min.css">
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<style>
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body {
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background-color: #f7f7f7f7;
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}
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.logo {
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left: 50%;
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position: absolute;
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margin-left: -40px;
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width: 100px;
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margin-top: -120px
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}
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.card {
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position:relative;
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padding-top: 70px;
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margin-top: 70px;
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}
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#qrcode {
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display: flex;
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flex-direction: row;
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justify-content: center;
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}
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</style>
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{{if or .Connected ( not .Claimed ) }}
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<script type="text/javascript" src="qrcode.min.js"></script>
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{{ end }}
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</head>
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<body>
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<section class="section">
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<div class="container">
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<div class="column">
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<div class="has-text-centered">
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<h1 class="title is-size-1 ">Emissary</h1>
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<h2 class="subtitle is-size-4">Agent Status</h2>
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</div>
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<div class="box card">
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<img class="logo" src="logo.png" />
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<div class="overflow:hidden">
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<div class="level is-mobile" style="margin-top:-50px">
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<div class="level-left">
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<div class="level-item is-size-4-tablet is-size-7-mobile">
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<strong class="mr-2">Connected:</strong>{{if .Connected }}<span class="has-text-success">✔</span>{{ else }}<span class="has-text-danger">✕</span>{{ end }}
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</div>
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</div>
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<div class="level-right">
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<div class="level-item is-size-4-tablet is-size-7-mobile">
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<strong class="mr-2">Claimed:</strong>{{if .Claimed }}<span class="has-text-success">✔</span>{{ else }}<span class="has-text-warning">✕</span>{{ end }}
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</div>
|
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</div>
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</div>
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{{ if and .Connected ( not .Claimed ) }}
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<h3 class="is-size-3 mt-4">Claim your agent</h3>
|
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<p class="has-text-centered">
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You can claim your agent by clicking the following link:<br />
|
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<a class="button is-link is-medium mt-3" href="{{ .ClaimURL }}" target="_blank" rel="nofollow">Claim me</a><br />
|
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</p>
|
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<p class="has-text-centered mt-3">
|
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You can also scan the following QRCode:
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<div id="qrcode" class="mt-3" data-claim-url="{{ .ClaimURL }}"></div>
|
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<script type="text/javascript">
|
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(function() {
|
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const qrCodeElement = document.getElementById("qrcode");
|
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const claimUrl = qrCodeElement.dataset.claimUrl;
|
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new QRCode(qrCodeElement, claimUrl);
|
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}())
|
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</script>
|
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</p>
|
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{{ end }}
|
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{{ if and .Connected .Claimed }}
|
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<h3 class="is-size-3 mt-4">Manage your agent</h3>
|
||||
<p class="has-text-centered">
|
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You can manage your agent by clicking the following link:<br />
|
||||
<a class="button is-link is-medium mt-3" href="{{ .AgentURL }}" target="_blank" rel="nofollow">Manage me</a><br />
|
||||
</p>
|
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<p class="has-text-centered mt-3">
|
||||
You can also scan the following QRCode:
|
||||
<div id="qrcode" class="mt-3" data-agent-url="{{ .AgentURL }}"></div>
|
||||
<script type="text/javascript">
|
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(function() {
|
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const qrCodeElement = document.getElementById("qrcode");
|
||||
const agentUrl = qrCodeElement.dataset.agentUrl;
|
||||
new QRCode(qrCodeElement, agentUrl);
|
||||
}())
|
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</script>
|
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</p>
|
||||
{{ end }}
|
||||
<h3 class="is-size-3 mt-4">Informations</h3>
|
||||
<div class="table-container">
|
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<table class="table is-fullwidth">
|
||||
<thead>
|
||||
<tr>
|
||||
<th>Attribute</th>
|
||||
<th>Value</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
<tr>
|
||||
<td>Thumbprint</td>
|
||||
<td><code>{{ .Thumbprint }}</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Agent ID</td>
|
||||
<td><code>{{ if .Agent }}{{ .Agent.ID }}{{ else }}unknown{{end}}</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Agent Label</td>
|
||||
<td><code>{{ with .Agent }}{{ if .Label }}{{ .Label }}{{ else }}empty{{end}}{{ else }}unknown{{end}}</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Last server contact</td>
|
||||
<td><code>{{ if .Agent }}{{ .Agent.ContactedAt }}{{ else }}unknown{{end}}</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Server URL</td>
|
||||
<td><code>{{ .ServerURL }}</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Claim URL</td>
|
||||
<td><code>{{ .ClaimURL }}</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Agent URL</td>
|
||||
<td><code>{{ if .Agent }}{{ .AgentURL }}{{ else }}unknown{{end}}</code></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Agent version</td>
|
||||
<td><code>{{ .AgentVersion }}</code></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</section>
|
||||
</body>
|
||||
</html>
|
|
@ -10,6 +10,7 @@ import (
|
|||
"forge.cadoles.com/Cadoles/emissary/internal/agent/controller/persistence"
|
||||
"forge.cadoles.com/Cadoles/emissary/internal/agent/controller/proxy"
|
||||
"forge.cadoles.com/Cadoles/emissary/internal/agent/controller/spec"
|
||||
"forge.cadoles.com/Cadoles/emissary/internal/agent/controller/status"
|
||||
"forge.cadoles.com/Cadoles/emissary/internal/agent/metadata"
|
||||
"forge.cadoles.com/Cadoles/emissary/internal/agent/metadata/collector/buildinfo"
|
||||
"forge.cadoles.com/Cadoles/emissary/internal/agent/metadata/collector/shell"
|
||||
|
@ -94,6 +95,15 @@ func RunCommand() *cli.Command {
|
|||
))
|
||||
}
|
||||
|
||||
if ctrlConf.Status.Enabled {
|
||||
controllers = append(controllers, status.NewController(
|
||||
string(ctrlConf.Status.Address),
|
||||
string(ctrlConf.Status.ClaimURL),
|
||||
string(ctrlConf.Status.AgentURL),
|
||||
string(ctx.String("projectVersion")),
|
||||
))
|
||||
}
|
||||
|
||||
key, err := jwk.LoadOrGenerate(string(conf.Agent.PrivateKeyPath), jwk.DefaultKeySize)
|
||||
if err != nil {
|
||||
return errors.WithStack(err)
|
||||
|
|
|
@ -24,6 +24,7 @@ type ControllersConfig struct {
|
|||
App AppControllerConfig `yaml:"app"`
|
||||
SysUpgrade SysUpgradeControllerConfig `yaml:"sysupgrade"`
|
||||
MDNS MDNSControllerConfig `yaml:"mdns"`
|
||||
Status StatusControllerConfig `yaml:"status"`
|
||||
}
|
||||
|
||||
type PersistenceControllerConfig struct {
|
||||
|
@ -60,6 +61,13 @@ type MDNSControllerConfig struct {
|
|||
Enabled InterpolatedBool `yaml:"enabled"`
|
||||
}
|
||||
|
||||
type StatusControllerConfig struct {
|
||||
Enabled InterpolatedBool `yaml:"enabled"`
|
||||
Address InterpolatedString `yaml:"address"`
|
||||
ClaimURL InterpolatedString `yaml:"claimURL"`
|
||||
AgentURL InterpolatedString `yaml:"agentURL"`
|
||||
}
|
||||
|
||||
func NewDefaultAgentConfig() AgentConfig {
|
||||
return AgentConfig{
|
||||
ServerURL: "http://127.0.0.1:3000",
|
||||
|
@ -94,6 +102,12 @@ func NewDefaultAgentConfig() AgentConfig {
|
|||
MDNS: MDNSControllerConfig{
|
||||
Enabled: true,
|
||||
},
|
||||
Status: StatusControllerConfig{
|
||||
Enabled: true,
|
||||
Address: ":42521",
|
||||
ClaimURL: "http://localhost:3001/claim/%s",
|
||||
AgentURL: "http://localhost:3001/agents/%v",
|
||||
},
|
||||
},
|
||||
Collectors: []ShellCollectorConfig{
|
||||
{
|
||||
|
|
|
@ -63,6 +63,16 @@ agent:
|
|||
- -c
|
||||
- source /etc/openwrt_release && echo "$DISTRIB_ID-$DISTRIB_RELEASE-$DISTRIB_REVISION"
|
||||
|
||||
# Status controller configuration
|
||||
status:
|
||||
enabled: true
|
||||
# Status page listening address
|
||||
address: :42521
|
||||
# Agent claim URL template (see Emissary HQ)
|
||||
claimURL: http://127.0.0.1:3001/claim/%v
|
||||
# Agent URL template (see Emissary HQ)
|
||||
agentURL: http://127.0.0.1:3001/agents/%v
|
||||
|
||||
# Collectors configuration
|
||||
collectors:
|
||||
- name: uname
|
||||
|
|
|
@ -1,5 +1,6 @@
|
|||
**/*.go
|
||||
internal/**/*.json
|
||||
**/*.gotpl
|
||||
modd.conf
|
||||
tmp/config.yml
|
||||
.env {
|
||||
|
|
|
@ -18,6 +18,10 @@ type Client struct {
|
|||
serverURL string
|
||||
}
|
||||
|
||||
func (c *Client) ServerURL() string {
|
||||
return c.serverURL
|
||||
}
|
||||
|
||||
func (c *Client) apiGet(ctx context.Context, path string, result any, funcs ...OptionFunc) error {
|
||||
if err := c.apiDo(ctx, http.MethodGet, path, nil, result, funcs...); err != nil {
|
||||
return errors.WithStack(err)
|
||||
|
|
Loading…
Reference in New Issue