install go2rtc on bob

installs_on_host/go2rtc/internal/pinggy/README.md

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+# Pinggy
+
+[Pinggy](https://pinggy.io/) - nice service for public tunnels to your local services.
+
+**Features:**
+
+- A free account does not require registration.
+- It does not require downloading third-party binaries and works over the SSH protocol.
+- Works with HTTP, TCP and UDP protocols.
+- Creates HTTPS for your HTTP services.
+
+> [!IMPORTANT]
+> A free account creates a tunnel with a random address that only works for an hour. It is suitable for testing purposes ONLY.
+
+> [!CAUTION]
+> Public access to go2rtc without authorization puts your entire home network at risk. Use with caution.
+
+**Why:**
+
+- It's easy to set up HTTPS for testing two-way audio.
+- It's easy to check whether external access via WebRTC technology will work.
+- It's easy to share direct access to your RTSP or HTTP camera with the go2rtc developer. If such access is necessary to debug your problem.
+
+## Configuration
+
+You will find public links in the go2rtc log after startup.
+
+**Tunnel to go2rtc WebUI.**
+
+```yaml
+pinggy:
+  tunnel: http://localhost:1984
+```
+
+**Tunnel to RTSP camera.**
+
+For example, you have camera: `rtsp://admin:password@192.168.1.123/cam/realmonitor?channel=1&subtype=0`
+
+```yaml
+pinggy:
+  tunnel: tcp://192.168.10.91:554
+```
+
+In go2rtc logs you will get similar output:
+
+```
+16:17:43.167 INF [pinggy] proxy url=tcp://abcde-123-123-123-123.a.free.pinggy.link:12345
+```
+
+Now you have a working stream:
+
+```
+rtsp://admin:password@abcde-123-123-123-123.a.free.pinggy.link:12345/cam/realmonitor?channel=1&subtype=0
+```

installs_on_host/go2rtc/internal/pinggy/pinggy.go

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+package pinggy
+
+import (
+	"net/url"
+
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/pkg/pinggy"
+	"github.com/rs/zerolog"
+)
+
+func Init() {
+	var cfg struct {
+		Mod struct {
+			Tunnel string `yaml:"tunnel"`
+		} `yaml:"pinggy"`
+	}
+
+	app.LoadConfig(&cfg)
+
+	if cfg.Mod.Tunnel == "" {
+		return
+	}
+
+	log = app.GetLogger("pinggy")
+
+	u, err := url.Parse(cfg.Mod.Tunnel)
+	if err != nil {
+		log.Error().Err(err).Send()
+		return
+	}
+
+	go proxy(u.Scheme, u.Host)
+}
+
+var log zerolog.Logger
+
+func proxy(proto, address string) {
+	client, err := pinggy.NewClient(proto)
+	if err != nil {
+		log.Error().Err(err).Send()
+		return
+	}
+	defer client.Close()
+
+	urls, err := client.GetURLs()
+	if err != nil {
+		log.Error().Err(err).Send()
+		return
+	}
+
+	for _, s := range urls {
+		log.Info().Str("url", s).Msgf("[pinggy] proxy")
+	}
+
+	err = client.Proxy(address)
+	if err != nil {
+		log.Error().Err(err).Send()
+		return
+	}
+}