proxy supports configuring annotations, which will be displayed in the frps dashboard (#4000)

test/e2e/v1/basic/annotations.go

@@ -0,0 +1,54 @@
+package basic
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/onsi/ginkgo/v2"
+	"github.com/tidwall/gjson"
+
+	"github.com/fatedier/frp/test/e2e/framework"
+	"github.com/fatedier/frp/test/e2e/framework/consts"
+)
+
+var _ = ginkgo.Describe("[Feature: Annotations]", func() {
+	f := framework.NewDefaultFramework()
+
+	ginkgo.It("Set Proxy Annotations", func() {
+		webPort := f.AllocPort()
+
+		serverConf := consts.DefaultServerConfig + fmt.Sprintf(`
+		webServer.port = %d
+		`, webPort)
+
+		p1Port := f.AllocPort()
+
+		clientConf := consts.DefaultClientConfig + fmt.Sprintf(`
+		[[proxies]]
+		name = "p1"
+		type = "tcp"
+		localPort = {{ .%s }}
+		remotePort = %d
+		[proxies.annotations]
+		"frp.e2e.test/foo" = "value1"
+		"frp.e2e.test/bar" = "value2"
+		`, framework.TCPEchoServerPort, p1Port)
+
+		f.RunProcesses([]string{serverConf}, []string{clientConf})
+
+		framework.NewRequestExpect(f).Port(p1Port).Ensure()
+
+		// check annotations in frps
+		resp, err := http.Get(fmt.Sprintf("http://127.0.0.1:%d/api/proxy/tcp/%s", webPort, "p1"))
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(resp.StatusCode, 200)
+		defer resp.Body.Close()
+		content, err := io.ReadAll(resp.Body)
+		framework.ExpectNoError(err)
+
+		annotations := gjson.Get(string(content), "conf.annotations").Map()
+		framework.ExpectEqual("value1", annotations["frp.e2e.test/foo"].String())
+		framework.ExpectEqual("value2", annotations["frp.e2e.test/bar"].String())
+	})
+})