cloudflare_argo_tunnel: add tunnel token to state

.changelog/1590.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/cloudflare_argo_tunnel: Add computed `tunnel_token` to schema
+```

internal/provider/resource_cloudflare_argo_tunnel.go

@@ -50,6 +50,16 @@ func resourceCloudflareArgoTunnelRead(ctx context.Context, d *schema.ResourceDat
 		return diag.FromErr(fmt.Errorf("failed to fetch Argo Tunnel: %w", err))
 	}
 
+	token, err := client.TunnelToken(context.Background(), cloudflare.TunnelTokenParams{
+		AccountID: accID,
+		ID:        tunnel.ID,
+	})
+	if err != nil {
+		fmt.Sprintf("[WARN] Unable to set the tunnel_token in state because it's not found in API")
+		d.Set("tunnel_token", "")
+		return nil
+	}
+
 	d.Set("cname", fmt.Sprintf("%s.%s", tunnel.ID, argoTunnelCNAME))
 
 	return nil

internal/provider/schema_cloudflare_argo_tunnel.go

@@ -24,5 +24,9 @@ func resourceCloudflareArgoTunnelSchema() map[string]*schema.Schema {
 			Type:     schema.TypeString,
 			Computed: true,
 		},
+		"tunnel_token": {
+			Type:     schema.TypeString,
+			Computed: true,
+		},
 	}
 }

website/docs/r/argo_tunnel.html.markdown

@@ -33,6 +33,7 @@ The following arguments are supported:
 The following additional attributes are exported:
 
 * `cname` - Usable CNAME for accessing the Argo Tunnel.
+* `tunnel_token` - Token used by a connector to authenticate and run the tunnel.
 
 ## Import