Added webapp Dashboard + logic to interact with server.

Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>

1 files changed, 108 insertions, 0 deletions

diff --git a/lib/agent/apiv1-config.go b/lib/agent/apiv1-config.go
new file mode 100644
index 0000000..31d8de6
--- /dev/null
+++ b/lib/agent/apiv1-config.go
@@ -0,0 +1,108 @@
+package agent
+
+import (
+	"net/http"
+	"sync"
+
+	"github.com/gin-gonic/gin"
+	"github.com/iotbzh/xds-agent/lib/xdsconfig"
+	common "github.com/iotbzh/xds-common/golib"
+)
+
+var confMut sync.Mutex
+
+// APIConfig parameters (json format) of /config command
+type APIConfig struct {
+	Servers []ServerCfg `json:"servers"`
+
+	// Not exposed outside in JSON
+	Version       string `json:"-"`
+	APIVersion    string `json:"-"`
+	VersionGitTag string `json:"-"`
+}
+
+// ServerCfg .
+type ServerCfg struct {
+	ID         string `json:"id"`
+	URL        string `json:"url"`
+	APIURL     string `json:"apiUrl"`
+	PartialURL string `json:"partialUrl"`
+	ConnRetry  int    `json:"connRetry"`
+	Connected  bool   `json:"connected"`
+	Disabled   bool   `json:"disabled"`
+}
+
+// GetConfig returns the configuration
+func (s *APIService) getConfig(c *gin.Context) {
+	confMut.Lock()
+	defer confMut.Unlock()
+
+	cfg := s._getConfig()
+
+	c.JSON(http.StatusOK, cfg)
+}
+
+// SetConfig sets configuration
+func (s *APIService) setConfig(c *gin.Context) {
+	var cfgArg APIConfig
+	if c.BindJSON(&cfgArg) != nil {
+		common.APIError(c, "Invalid arguments")
+		return
+	}
+
+	confMut.Lock()
+	defer confMut.Unlock()
+
+	s.Log.Debugln("SET config: ", cfgArg)
+
+	// First delete/disable XDS Server that are no longer listed
+	for _, svr := range s.xdsServers {
+		found := false
+		for _, svrArg := range cfgArg.Servers {
+			if svr.ID == svrArg.ID {
+				found = true
+				break
+			}
+		}
+		if !found {
+			s.DelXdsServer(svr.ID)
+		}
+	}
+
+	// Add new XDS Server
+	for _, svr := range cfgArg.Servers {
+		cfg := xdsconfig.XDSServerConf{
+			ID:        svr.ID,
+			URL:       svr.URL,
+			ConnRetry: svr.ConnRetry,
+		}
+		if _, err := s.AddXdsServer(cfg); err != nil {
+			common.APIError(c, err.Error())
+			return
+		}
+	}
+
+	c.JSON(http.StatusOK, s._getConfig())
+}
+
+func (s *APIService) _getConfig() APIConfig {
+	cfg := APIConfig{
+		Version:       s.Config.Version,
+		APIVersion:    s.Config.APIVersion,
+		VersionGitTag: s.Config.VersionGitTag,
+		Servers:       []ServerCfg{},
+	}
+
+	for _, svr := range s.xdsServers {
+		cfg.Servers = append(cfg.Servers, ServerCfg{
+			ID:         svr.ID,
+			URL:        svr.BaseURL,
+			APIURL:     svr.APIURL,
+			PartialURL: svr.PartialURL,
+			ConnRetry:  svr.ConnRetry,
+			Connected:  svr.Connected,
+			Disabled:   svr.Disabled,
+		})
+	}
+	return cfg
+}